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TARGET_NUCLEO_F103RB/TOOLCHAIN_GCC_ARM/stm32f1xx_ll_usart.h@172:65be27845400, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 20:53:29 2019 +0000
Revision:
172:65be27845400
Parent:
171:3a7713b1edbc 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 143:86740a56073b 1 /**
AnnaBridge 143:86740a56073b 2 ******************************************************************************
AnnaBridge 143:86740a56073b 3 * @file stm32f1xx_ll_usart.h
AnnaBridge 143:86740a56073b 4 * @author MCD Application Team
AnnaBridge 143:86740a56073b 5 * @brief Header file of USART LL module.
AnnaBridge 143:86740a56073b 6 ******************************************************************************
AnnaBridge 143:86740a56073b 7 * @attention
AnnaBridge 143:86740a56073b 8 *
AnnaBridge 143:86740a56073b 9 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
AnnaBridge 143:86740a56073b 10 *
AnnaBridge 143:86740a56073b 11 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 143:86740a56073b 12 * are permitted provided that the following conditions are met:
AnnaBridge 143:86740a56073b 13 * 1. Redistributions of source code must retain the above copyright notice,
AnnaBridge 143:86740a56073b 14 * this list of conditions and the following disclaimer.
AnnaBridge 143:86740a56073b 15 * 2. Redistributions in binary form must reproduce the above copyright notice,
AnnaBridge 143:86740a56073b 16 * this list of conditions and the following disclaimer in the documentation
AnnaBridge 143:86740a56073b 17 * and/or other materials provided with the distribution.
AnnaBridge 143:86740a56073b 18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
AnnaBridge 143:86740a56073b 19 * may be used to endorse or promote products derived from this software
AnnaBridge 143:86740a56073b 20 * without specific prior written permission.
AnnaBridge 143:86740a56073b 21 *
AnnaBridge 143:86740a56073b 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AnnaBridge 143:86740a56073b 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
AnnaBridge 143:86740a56073b 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 143:86740a56073b 25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
AnnaBridge 143:86740a56073b 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
AnnaBridge 143:86740a56073b 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
AnnaBridge 143:86740a56073b 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
AnnaBridge 143:86740a56073b 29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
AnnaBridge 143:86740a56073b 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
AnnaBridge 143:86740a56073b 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 143:86740a56073b 32 *
AnnaBridge 143:86740a56073b 33 ******************************************************************************
AnnaBridge 143:86740a56073b 34 */
AnnaBridge 143:86740a56073b 35
AnnaBridge 143:86740a56073b 36 /* Define to prevent recursive inclusion -------------------------------------*/
AnnaBridge 143:86740a56073b 37 #ifndef __STM32F1xx_LL_USART_H
AnnaBridge 143:86740a56073b 38 #define __STM32F1xx_LL_USART_H
AnnaBridge 143:86740a56073b 39
AnnaBridge 143:86740a56073b 40 #ifdef __cplusplus
AnnaBridge 143:86740a56073b 41 extern "C" {
AnnaBridge 143:86740a56073b 42 #endif
AnnaBridge 143:86740a56073b 43
AnnaBridge 143:86740a56073b 44 /* Includes ------------------------------------------------------------------*/
AnnaBridge 143:86740a56073b 45 #include "stm32f1xx.h"
AnnaBridge 143:86740a56073b 46
AnnaBridge 143:86740a56073b 47 /** @addtogroup STM32F1xx_LL_Driver
AnnaBridge 143:86740a56073b 48 * @{
AnnaBridge 143:86740a56073b 49 */
AnnaBridge 143:86740a56073b 50
AnnaBridge 143:86740a56073b 51 #if defined (USART1) || defined (USART2) || defined (USART3) || defined (UART4) || defined (UART5)
AnnaBridge 143:86740a56073b 52
AnnaBridge 143:86740a56073b 53 /** @defgroup USART_LL USART
AnnaBridge 143:86740a56073b 54 * @{
AnnaBridge 143:86740a56073b 55 */
AnnaBridge 143:86740a56073b 56
AnnaBridge 143:86740a56073b 57 /* Private types -------------------------------------------------------------*/
AnnaBridge 143:86740a56073b 58 /* Private variables ---------------------------------------------------------*/
AnnaBridge 143:86740a56073b 59
AnnaBridge 143:86740a56073b 60 /* Private constants ---------------------------------------------------------*/
AnnaBridge 143:86740a56073b 61 /** @defgroup USART_LL_Private_Constants USART Private Constants
AnnaBridge 143:86740a56073b 62 * @{
AnnaBridge 143:86740a56073b 63 */
AnnaBridge 143:86740a56073b 64
AnnaBridge 143:86740a56073b 65 /* Defines used for the bit position in the register and perform offsets*/
AnnaBridge 143:86740a56073b 66 #define USART_POSITION_GTPR_GT USART_GTPR_GT_Pos
AnnaBridge 143:86740a56073b 67 /**
AnnaBridge 143:86740a56073b 68 * @}
AnnaBridge 143:86740a56073b 69 */
AnnaBridge 143:86740a56073b 70
AnnaBridge 143:86740a56073b 71 /* Private macros ------------------------------------------------------------*/
AnnaBridge 143:86740a56073b 72 #if defined(USE_FULL_LL_DRIVER)
AnnaBridge 143:86740a56073b 73 /** @defgroup USART_LL_Private_Macros USART Private Macros
AnnaBridge 143:86740a56073b 74 * @{
AnnaBridge 143:86740a56073b 75 */
AnnaBridge 143:86740a56073b 76 /**
AnnaBridge 143:86740a56073b 77 * @}
AnnaBridge 143:86740a56073b 78 */
AnnaBridge 143:86740a56073b 79 #endif /*USE_FULL_LL_DRIVER*/
AnnaBridge 143:86740a56073b 80
AnnaBridge 143:86740a56073b 81 /* Exported types ------------------------------------------------------------*/
AnnaBridge 143:86740a56073b 82 #if defined(USE_FULL_LL_DRIVER)
AnnaBridge 143:86740a56073b 83 /** @defgroup USART_LL_ES_INIT USART Exported Init structures
AnnaBridge 143:86740a56073b 84 * @{
AnnaBridge 143:86740a56073b 85 */
AnnaBridge 143:86740a56073b 86
AnnaBridge 143:86740a56073b 87 /**
AnnaBridge 143:86740a56073b 88 * @brief LL USART Init Structure definition
AnnaBridge 143:86740a56073b 89 */
AnnaBridge 143:86740a56073b 90 typedef struct
AnnaBridge 143:86740a56073b 91 {
AnnaBridge 143:86740a56073b 92 uint32_t BaudRate; /*!< This field defines expected Usart communication baud rate.
AnnaBridge 143:86740a56073b 93
AnnaBridge 143:86740a56073b 94 This feature can be modified afterwards using unitary function @ref LL_USART_SetBaudRate().*/
AnnaBridge 143:86740a56073b 95
AnnaBridge 143:86740a56073b 96 uint32_t DataWidth; /*!< Specifies the number of data bits transmitted or received in a frame.
AnnaBridge 143:86740a56073b 97 This parameter can be a value of @ref USART_LL_EC_DATAWIDTH.
AnnaBridge 143:86740a56073b 98
AnnaBridge 143:86740a56073b 99 This feature can be modified afterwards using unitary function @ref LL_USART_SetDataWidth().*/
AnnaBridge 143:86740a56073b 100
AnnaBridge 143:86740a56073b 101 uint32_t StopBits; /*!< Specifies the number of stop bits transmitted.
AnnaBridge 143:86740a56073b 102 This parameter can be a value of @ref USART_LL_EC_STOPBITS.
AnnaBridge 143:86740a56073b 103
AnnaBridge 143:86740a56073b 104 This feature can be modified afterwards using unitary function @ref LL_USART_SetStopBitsLength().*/
AnnaBridge 143:86740a56073b 105
AnnaBridge 143:86740a56073b 106 uint32_t Parity; /*!< Specifies the parity mode.
AnnaBridge 143:86740a56073b 107 This parameter can be a value of @ref USART_LL_EC_PARITY.
AnnaBridge 143:86740a56073b 108
AnnaBridge 143:86740a56073b 109 This feature can be modified afterwards using unitary function @ref LL_USART_SetParity().*/
AnnaBridge 143:86740a56073b 110
AnnaBridge 143:86740a56073b 111 uint32_t TransferDirection; /*!< Specifies whether the Receive and/or Transmit mode is enabled or disabled.
AnnaBridge 143:86740a56073b 112 This parameter can be a value of @ref USART_LL_EC_DIRECTION.
AnnaBridge 143:86740a56073b 113
AnnaBridge 143:86740a56073b 114 This feature can be modified afterwards using unitary function @ref LL_USART_SetTransferDirection().*/
AnnaBridge 143:86740a56073b 115
AnnaBridge 143:86740a56073b 116 uint32_t HardwareFlowControl; /*!< Specifies whether the hardware flow control mode is enabled or disabled.
AnnaBridge 143:86740a56073b 117 This parameter can be a value of @ref USART_LL_EC_HWCONTROL.
AnnaBridge 143:86740a56073b 118
AnnaBridge 143:86740a56073b 119 This feature can be modified afterwards using unitary function @ref LL_USART_SetHWFlowCtrl().*/
AnnaBridge 143:86740a56073b 120
AnnaBridge 143:86740a56073b 121 #if defined(USART_CR1_OVER8)
AnnaBridge 143:86740a56073b 122 uint32_t OverSampling; /*!< Specifies whether USART oversampling mode is 16 or 8.
AnnaBridge 143:86740a56073b 123 This parameter can be a value of @ref USART_LL_EC_OVERSAMPLING.
AnnaBridge 143:86740a56073b 124
AnnaBridge 143:86740a56073b 125 This feature can be modified afterwards using unitary function @ref LL_USART_SetOverSampling().*/
AnnaBridge 143:86740a56073b 126
AnnaBridge 143:86740a56073b 127 #endif /* USART_OverSampling_Feature */
AnnaBridge 143:86740a56073b 128 } LL_USART_InitTypeDef;
AnnaBridge 143:86740a56073b 129
AnnaBridge 143:86740a56073b 130 /**
AnnaBridge 143:86740a56073b 131 * @brief LL USART Clock Init Structure definition
AnnaBridge 143:86740a56073b 132 */
AnnaBridge 143:86740a56073b 133 typedef struct
AnnaBridge 143:86740a56073b 134 {
AnnaBridge 143:86740a56073b 135 uint32_t ClockOutput; /*!< Specifies whether the USART clock is enabled or disabled.
AnnaBridge 143:86740a56073b 136 This parameter can be a value of @ref USART_LL_EC_CLOCK.
AnnaBridge 143:86740a56073b 137
AnnaBridge 143:86740a56073b 138 USART HW configuration can be modified afterwards using unitary functions
AnnaBridge 143:86740a56073b 139 @ref LL_USART_EnableSCLKOutput() or @ref LL_USART_DisableSCLKOutput().
AnnaBridge 143:86740a56073b 140 For more details, refer to description of this function. */
AnnaBridge 143:86740a56073b 141
AnnaBridge 143:86740a56073b 142 uint32_t ClockPolarity; /*!< Specifies the steady state of the serial clock.
AnnaBridge 143:86740a56073b 143 This parameter can be a value of @ref USART_LL_EC_POLARITY.
AnnaBridge 143:86740a56073b 144
AnnaBridge 143:86740a56073b 145 USART HW configuration can be modified afterwards using unitary functions @ref LL_USART_SetClockPolarity().
AnnaBridge 143:86740a56073b 146 For more details, refer to description of this function. */
AnnaBridge 143:86740a56073b 147
AnnaBridge 143:86740a56073b 148 uint32_t ClockPhase; /*!< Specifies the clock transition on which the bit capture is made.
AnnaBridge 143:86740a56073b 149 This parameter can be a value of @ref USART_LL_EC_PHASE.
AnnaBridge 143:86740a56073b 150
AnnaBridge 143:86740a56073b 151 USART HW configuration can be modified afterwards using unitary functions @ref LL_USART_SetClockPhase().
AnnaBridge 143:86740a56073b 152 For more details, refer to description of this function. */
AnnaBridge 143:86740a56073b 153
AnnaBridge 143:86740a56073b 154 uint32_t LastBitClockPulse; /*!< Specifies whether the clock pulse corresponding to the last transmitted
AnnaBridge 143:86740a56073b 155 data bit (MSB) has to be output on the SCLK pin in synchronous mode.
AnnaBridge 143:86740a56073b 156 This parameter can be a value of @ref USART_LL_EC_LASTCLKPULSE.
AnnaBridge 143:86740a56073b 157
AnnaBridge 143:86740a56073b 158 USART HW configuration can be modified afterwards using unitary functions @ref LL_USART_SetLastClkPulseOutput().
AnnaBridge 143:86740a56073b 159 For more details, refer to description of this function. */
AnnaBridge 143:86740a56073b 160
AnnaBridge 143:86740a56073b 161 } LL_USART_ClockInitTypeDef;
AnnaBridge 143:86740a56073b 162
AnnaBridge 143:86740a56073b 163 /**
AnnaBridge 143:86740a56073b 164 * @}
AnnaBridge 143:86740a56073b 165 */
AnnaBridge 143:86740a56073b 166 #endif /* USE_FULL_LL_DRIVER */
AnnaBridge 143:86740a56073b 167
AnnaBridge 143:86740a56073b 168 /* Exported constants --------------------------------------------------------*/
AnnaBridge 143:86740a56073b 169 /** @defgroup USART_LL_Exported_Constants USART Exported Constants
AnnaBridge 143:86740a56073b 170 * @{
AnnaBridge 143:86740a56073b 171 */
AnnaBridge 143:86740a56073b 172
AnnaBridge 143:86740a56073b 173 /** @defgroup USART_LL_EC_GET_FLAG Get Flags Defines
AnnaBridge 143:86740a56073b 174 * @brief Flags defines which can be used with LL_USART_ReadReg function
AnnaBridge 143:86740a56073b 175 * @{
AnnaBridge 143:86740a56073b 176 */
AnnaBridge 143:86740a56073b 177 #define LL_USART_SR_PE USART_SR_PE /*!< Parity error flag */
AnnaBridge 143:86740a56073b 178 #define LL_USART_SR_FE USART_SR_FE /*!< Framing error flag */
AnnaBridge 143:86740a56073b 179 #define LL_USART_SR_NE USART_SR_NE /*!< Noise detected flag */
AnnaBridge 143:86740a56073b 180 #define LL_USART_SR_ORE USART_SR_ORE /*!< Overrun error flag */
AnnaBridge 143:86740a56073b 181 #define LL_USART_SR_IDLE USART_SR_IDLE /*!< Idle line detected flag */
AnnaBridge 143:86740a56073b 182 #define LL_USART_SR_RXNE USART_SR_RXNE /*!< Read data register not empty flag */
AnnaBridge 143:86740a56073b 183 #define LL_USART_SR_TC USART_SR_TC /*!< Transmission complete flag */
AnnaBridge 143:86740a56073b 184 #define LL_USART_SR_TXE USART_SR_TXE /*!< Transmit data register empty flag */
AnnaBridge 143:86740a56073b 185 #define LL_USART_SR_LBD USART_SR_LBD /*!< LIN break detection flag */
AnnaBridge 143:86740a56073b 186 #define LL_USART_SR_CTS USART_SR_CTS /*!< CTS flag */
AnnaBridge 143:86740a56073b 187 /**
AnnaBridge 143:86740a56073b 188 * @}
AnnaBridge 143:86740a56073b 189 */
AnnaBridge 143:86740a56073b 190
AnnaBridge 143:86740a56073b 191 /** @defgroup USART_LL_EC_IT IT Defines
AnnaBridge 143:86740a56073b 192 * @brief IT defines which can be used with LL_USART_ReadReg and LL_USART_WriteReg functions
AnnaBridge 143:86740a56073b 193 * @{
AnnaBridge 143:86740a56073b 194 */
AnnaBridge 143:86740a56073b 195 #define LL_USART_CR1_IDLEIE USART_CR1_IDLEIE /*!< IDLE interrupt enable */
AnnaBridge 143:86740a56073b 196 #define LL_USART_CR1_RXNEIE USART_CR1_RXNEIE /*!< Read data register not empty interrupt enable */
AnnaBridge 143:86740a56073b 197 #define LL_USART_CR1_TCIE USART_CR1_TCIE /*!< Transmission complete interrupt enable */
AnnaBridge 143:86740a56073b 198 #define LL_USART_CR1_TXEIE USART_CR1_TXEIE /*!< Transmit data register empty interrupt enable */
AnnaBridge 143:86740a56073b 199 #define LL_USART_CR1_PEIE USART_CR1_PEIE /*!< Parity error */
AnnaBridge 143:86740a56073b 200 #define LL_USART_CR2_LBDIE USART_CR2_LBDIE /*!< LIN break detection interrupt enable */
AnnaBridge 143:86740a56073b 201 #define LL_USART_CR3_EIE USART_CR3_EIE /*!< Error interrupt enable */
AnnaBridge 143:86740a56073b 202 #define LL_USART_CR3_CTSIE USART_CR3_CTSIE /*!< CTS interrupt enable */
AnnaBridge 143:86740a56073b 203 /**
AnnaBridge 143:86740a56073b 204 * @}
AnnaBridge 143:86740a56073b 205 */
AnnaBridge 143:86740a56073b 206
AnnaBridge 143:86740a56073b 207 /** @defgroup USART_LL_EC_DIRECTION Communication Direction
AnnaBridge 143:86740a56073b 208 * @{
AnnaBridge 143:86740a56073b 209 */
AnnaBridge 143:86740a56073b 210 #define LL_USART_DIRECTION_NONE 0x00000000U /*!< Transmitter and Receiver are disabled */
AnnaBridge 143:86740a56073b 211 #define LL_USART_DIRECTION_RX USART_CR1_RE /*!< Transmitter is disabled and Receiver is enabled */
AnnaBridge 143:86740a56073b 212 #define LL_USART_DIRECTION_TX USART_CR1_TE /*!< Transmitter is enabled and Receiver is disabled */
AnnaBridge 143:86740a56073b 213 #define LL_USART_DIRECTION_TX_RX (USART_CR1_TE |USART_CR1_RE) /*!< Transmitter and Receiver are enabled */
AnnaBridge 143:86740a56073b 214 /**
AnnaBridge 143:86740a56073b 215 * @}
AnnaBridge 143:86740a56073b 216 */
AnnaBridge 143:86740a56073b 217
AnnaBridge 143:86740a56073b 218 /** @defgroup USART_LL_EC_PARITY Parity Control
AnnaBridge 143:86740a56073b 219 * @{
AnnaBridge 143:86740a56073b 220 */
AnnaBridge 143:86740a56073b 221 #define LL_USART_PARITY_NONE 0x00000000U /*!< Parity control disabled */
AnnaBridge 143:86740a56073b 222 #define LL_USART_PARITY_EVEN USART_CR1_PCE /*!< Parity control enabled and Even Parity is selected */
AnnaBridge 143:86740a56073b 223 #define LL_USART_PARITY_ODD (USART_CR1_PCE | USART_CR1_PS) /*!< Parity control enabled and Odd Parity is selected */
AnnaBridge 143:86740a56073b 224 /**
AnnaBridge 143:86740a56073b 225 * @}
AnnaBridge 143:86740a56073b 226 */
AnnaBridge 143:86740a56073b 227
AnnaBridge 143:86740a56073b 228 /** @defgroup USART_LL_EC_WAKEUP Wakeup
AnnaBridge 143:86740a56073b 229 * @{
AnnaBridge 143:86740a56073b 230 */
AnnaBridge 143:86740a56073b 231 #define LL_USART_WAKEUP_IDLELINE 0x00000000U /*!< USART wake up from Mute mode on Idle Line */
AnnaBridge 143:86740a56073b 232 #define LL_USART_WAKEUP_ADDRESSMARK USART_CR1_WAKE /*!< USART wake up from Mute mode on Address Mark */
AnnaBridge 143:86740a56073b 233 /**
AnnaBridge 143:86740a56073b 234 * @}
AnnaBridge 143:86740a56073b 235 */
AnnaBridge 143:86740a56073b 236
AnnaBridge 143:86740a56073b 237 /** @defgroup USART_LL_EC_DATAWIDTH Datawidth
AnnaBridge 143:86740a56073b 238 * @{
AnnaBridge 143:86740a56073b 239 */
AnnaBridge 143:86740a56073b 240 #define LL_USART_DATAWIDTH_8B 0x00000000U /*!< 8 bits word length : Start bit, 8 data bits, n stop bits */
AnnaBridge 143:86740a56073b 241 #define LL_USART_DATAWIDTH_9B USART_CR1_M /*!< 9 bits word length : Start bit, 9 data bits, n stop bits */
AnnaBridge 143:86740a56073b 242 /**
AnnaBridge 143:86740a56073b 243 * @}
AnnaBridge 143:86740a56073b 244 */
AnnaBridge 143:86740a56073b 245
AnnaBridge 143:86740a56073b 246 #if defined(USART_CR1_OVER8)
AnnaBridge 143:86740a56073b 247 /** @defgroup USART_LL_EC_OVERSAMPLING Oversampling
AnnaBridge 143:86740a56073b 248 * @{
AnnaBridge 143:86740a56073b 249 */
AnnaBridge 143:86740a56073b 250 #define LL_USART_OVERSAMPLING_16 0x00000000U /*!< Oversampling by 16 */
AnnaBridge 143:86740a56073b 251 #define LL_USART_OVERSAMPLING_8 USART_CR1_OVER8 /*!< Oversampling by 8 */
AnnaBridge 143:86740a56073b 252 /**
AnnaBridge 143:86740a56073b 253 * @}
AnnaBridge 143:86740a56073b 254 */
AnnaBridge 143:86740a56073b 255
AnnaBridge 143:86740a56073b 256 #endif /* USART_OverSampling_Feature */
AnnaBridge 143:86740a56073b 257 #if defined(USE_FULL_LL_DRIVER)
AnnaBridge 143:86740a56073b 258 /** @defgroup USART_LL_EC_CLOCK Clock Signal
AnnaBridge 143:86740a56073b 259 * @{
AnnaBridge 143:86740a56073b 260 */
AnnaBridge 143:86740a56073b 261
AnnaBridge 143:86740a56073b 262 #define LL_USART_CLOCK_DISABLE 0x00000000U /*!< Clock signal not provided */
AnnaBridge 143:86740a56073b 263 #define LL_USART_CLOCK_ENABLE USART_CR2_CLKEN /*!< Clock signal provided */
AnnaBridge 143:86740a56073b 264 /**
AnnaBridge 143:86740a56073b 265 * @}
AnnaBridge 143:86740a56073b 266 */
AnnaBridge 143:86740a56073b 267 #endif /*USE_FULL_LL_DRIVER*/
AnnaBridge 143:86740a56073b 268
AnnaBridge 143:86740a56073b 269 /** @defgroup USART_LL_EC_LASTCLKPULSE Last Clock Pulse
AnnaBridge 143:86740a56073b 270 * @{
AnnaBridge 143:86740a56073b 271 */
AnnaBridge 143:86740a56073b 272 #define LL_USART_LASTCLKPULSE_NO_OUTPUT 0x00000000U /*!< The clock pulse of the last data bit is not output to the SCLK pin */
AnnaBridge 143:86740a56073b 273 #define LL_USART_LASTCLKPULSE_OUTPUT USART_CR2_LBCL /*!< The clock pulse of the last data bit is output to the SCLK pin */
AnnaBridge 143:86740a56073b 274 /**
AnnaBridge 143:86740a56073b 275 * @}
AnnaBridge 143:86740a56073b 276 */
AnnaBridge 143:86740a56073b 277
AnnaBridge 143:86740a56073b 278 /** @defgroup USART_LL_EC_PHASE Clock Phase
AnnaBridge 143:86740a56073b 279 * @{
AnnaBridge 143:86740a56073b 280 */
AnnaBridge 143:86740a56073b 281 #define LL_USART_PHASE_1EDGE 0x00000000U /*!< The first clock transition is the first data capture edge */
AnnaBridge 143:86740a56073b 282 #define LL_USART_PHASE_2EDGE USART_CR2_CPHA /*!< The second clock transition is the first data capture edge */
AnnaBridge 143:86740a56073b 283 /**
AnnaBridge 143:86740a56073b 284 * @}
AnnaBridge 143:86740a56073b 285 */
AnnaBridge 143:86740a56073b 286
AnnaBridge 143:86740a56073b 287 /** @defgroup USART_LL_EC_POLARITY Clock Polarity
AnnaBridge 143:86740a56073b 288 * @{
AnnaBridge 143:86740a56073b 289 */
AnnaBridge 143:86740a56073b 290 #define LL_USART_POLARITY_LOW 0x00000000U /*!< Steady low value on SCLK pin outside transmission window*/
AnnaBridge 143:86740a56073b 291 #define LL_USART_POLARITY_HIGH USART_CR2_CPOL /*!< Steady high value on SCLK pin outside transmission window */
AnnaBridge 143:86740a56073b 292 /**
AnnaBridge 143:86740a56073b 293 * @}
AnnaBridge 143:86740a56073b 294 */
AnnaBridge 143:86740a56073b 295
AnnaBridge 143:86740a56073b 296 /** @defgroup USART_LL_EC_STOPBITS Stop Bits
AnnaBridge 143:86740a56073b 297 * @{
AnnaBridge 143:86740a56073b 298 */
AnnaBridge 143:86740a56073b 299 #define LL_USART_STOPBITS_0_5 USART_CR2_STOP_0 /*!< 0.5 stop bit */
AnnaBridge 143:86740a56073b 300 #define LL_USART_STOPBITS_1 0x00000000U /*!< 1 stop bit */
AnnaBridge 143:86740a56073b 301 #define LL_USART_STOPBITS_1_5 (USART_CR2_STOP_0 | USART_CR2_STOP_1) /*!< 1.5 stop bits */
AnnaBridge 143:86740a56073b 302 #define LL_USART_STOPBITS_2 USART_CR2_STOP_1 /*!< 2 stop bits */
AnnaBridge 143:86740a56073b 303 /**
AnnaBridge 143:86740a56073b 304 * @}
AnnaBridge 143:86740a56073b 305 */
AnnaBridge 143:86740a56073b 306
AnnaBridge 143:86740a56073b 307 /** @defgroup USART_LL_EC_HWCONTROL Hardware Control
AnnaBridge 143:86740a56073b 308 * @{
AnnaBridge 143:86740a56073b 309 */
AnnaBridge 143:86740a56073b 310 #define LL_USART_HWCONTROL_NONE 0x00000000U /*!< CTS and RTS hardware flow control disabled */
AnnaBridge 143:86740a56073b 311 #define LL_USART_HWCONTROL_RTS USART_CR3_RTSE /*!< RTS output enabled, data is only requested when there is space in the receive buffer */
AnnaBridge 143:86740a56073b 312 #define LL_USART_HWCONTROL_CTS USART_CR3_CTSE /*!< CTS mode enabled, data is only transmitted when the nCTS input is asserted (tied to 0) */
AnnaBridge 143:86740a56073b 313 #define LL_USART_HWCONTROL_RTS_CTS (USART_CR3_RTSE | USART_CR3_CTSE) /*!< CTS and RTS hardware flow control enabled */
AnnaBridge 143:86740a56073b 314 /**
AnnaBridge 143:86740a56073b 315 * @}
AnnaBridge 143:86740a56073b 316 */
AnnaBridge 143:86740a56073b 317
AnnaBridge 143:86740a56073b 318 /** @defgroup USART_LL_EC_IRDA_POWER IrDA Power
AnnaBridge 143:86740a56073b 319 * @{
AnnaBridge 143:86740a56073b 320 */
AnnaBridge 143:86740a56073b 321 #define LL_USART_IRDA_POWER_NORMAL 0x00000000U /*!< IrDA normal power mode */
AnnaBridge 143:86740a56073b 322 #define LL_USART_IRDA_POWER_LOW USART_CR3_IRLP /*!< IrDA low power mode */
AnnaBridge 143:86740a56073b 323 /**
AnnaBridge 143:86740a56073b 324 * @}
AnnaBridge 143:86740a56073b 325 */
AnnaBridge 143:86740a56073b 326
AnnaBridge 143:86740a56073b 327 /** @defgroup USART_LL_EC_LINBREAK_DETECT LIN Break Detection Length
AnnaBridge 143:86740a56073b 328 * @{
AnnaBridge 143:86740a56073b 329 */
AnnaBridge 143:86740a56073b 330 #define LL_USART_LINBREAK_DETECT_10B 0x00000000U /*!< 10-bit break detection method selected */
AnnaBridge 143:86740a56073b 331 #define LL_USART_LINBREAK_DETECT_11B USART_CR2_LBDL /*!< 11-bit break detection method selected */
AnnaBridge 143:86740a56073b 332 /**
AnnaBridge 143:86740a56073b 333 * @}
AnnaBridge 143:86740a56073b 334 */
AnnaBridge 143:86740a56073b 335
AnnaBridge 143:86740a56073b 336 /**
AnnaBridge 143:86740a56073b 337 * @}
AnnaBridge 143:86740a56073b 338 */
AnnaBridge 143:86740a56073b 339
AnnaBridge 143:86740a56073b 340 /* Exported macro ------------------------------------------------------------*/
AnnaBridge 143:86740a56073b 341 /** @defgroup USART_LL_Exported_Macros USART Exported Macros
AnnaBridge 143:86740a56073b 342 * @{
AnnaBridge 143:86740a56073b 343 */
AnnaBridge 143:86740a56073b 344
AnnaBridge 143:86740a56073b 345 /** @defgroup USART_LL_EM_WRITE_READ Common Write and read registers Macros
AnnaBridge 143:86740a56073b 346 * @{
AnnaBridge 143:86740a56073b 347 */
AnnaBridge 143:86740a56073b 348
AnnaBridge 143:86740a56073b 349 /**
AnnaBridge 143:86740a56073b 350 * @brief Write a value in USART register
AnnaBridge 143:86740a56073b 351 * @param __INSTANCE__ USART Instance
AnnaBridge 143:86740a56073b 352 * @param __REG__ Register to be written
AnnaBridge 143:86740a56073b 353 * @param __VALUE__ Value to be written in the register
AnnaBridge 143:86740a56073b 354 * @retval None
AnnaBridge 143:86740a56073b 355 */
AnnaBridge 143:86740a56073b 356 #define LL_USART_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
AnnaBridge 143:86740a56073b 357
AnnaBridge 143:86740a56073b 358 /**
AnnaBridge 143:86740a56073b 359 * @brief Read a value in USART register
AnnaBridge 143:86740a56073b 360 * @param __INSTANCE__ USART Instance
AnnaBridge 143:86740a56073b 361 * @param __REG__ Register to be read
AnnaBridge 143:86740a56073b 362 * @retval Register value
AnnaBridge 143:86740a56073b 363 */
AnnaBridge 143:86740a56073b 364 #define LL_USART_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
AnnaBridge 143:86740a56073b 365 /**
AnnaBridge 143:86740a56073b 366 * @}
AnnaBridge 143:86740a56073b 367 */
AnnaBridge 143:86740a56073b 368
AnnaBridge 143:86740a56073b 369 /** @defgroup USART_LL_EM_Exported_Macros_Helper Exported_Macros_Helper
AnnaBridge 143:86740a56073b 370 * @{
AnnaBridge 143:86740a56073b 371 */
AnnaBridge 143:86740a56073b 372
AnnaBridge 143:86740a56073b 373 /**
AnnaBridge 143:86740a56073b 374 * @brief Compute USARTDIV value according to Peripheral Clock and
AnnaBridge 143:86740a56073b 375 * expected Baud Rate in 8 bits sampling mode (32 bits value of USARTDIV is returned)
AnnaBridge 143:86740a56073b 376 * @param __PERIPHCLK__ Peripheral Clock frequency used for USART instance
AnnaBridge 143:86740a56073b 377 * @param __BAUDRATE__ Baud rate value to achieve
AnnaBridge 143:86740a56073b 378 * @retval USARTDIV value to be used for BRR register filling in OverSampling_8 case
AnnaBridge 143:86740a56073b 379 */
AnnaBridge 143:86740a56073b 380 #define __LL_USART_DIV_SAMPLING8_100(__PERIPHCLK__, __BAUDRATE__) (((__PERIPHCLK__)*25)/(2*(__BAUDRATE__)))
AnnaBridge 143:86740a56073b 381 #define __LL_USART_DIVMANT_SAMPLING8(__PERIPHCLK__, __BAUDRATE__) (__LL_USART_DIV_SAMPLING8_100((__PERIPHCLK__), (__BAUDRATE__))/100)
AnnaBridge 143:86740a56073b 382 #define __LL_USART_DIVFRAQ_SAMPLING8(__PERIPHCLK__, __BAUDRATE__) (((__LL_USART_DIV_SAMPLING8_100((__PERIPHCLK__), (__BAUDRATE__)) - (__LL_USART_DIVMANT_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) * 100)) * 8 + 50) / 100)
AnnaBridge 143:86740a56073b 383 /* UART BRR = mantissa + overflow + fraction
AnnaBridge 143:86740a56073b 384 = (UART DIVMANT << 4) + ((UART DIVFRAQ & 0xF8) << 1) + (UART DIVFRAQ & 0x07) */
AnnaBridge 143:86740a56073b 385 #define __LL_USART_DIV_SAMPLING8(__PERIPHCLK__, __BAUDRATE__) (((__LL_USART_DIVMANT_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) << 4) + \
AnnaBridge 143:86740a56073b 386 ((__LL_USART_DIVFRAQ_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) & 0xF8) << 1)) + \
AnnaBridge 143:86740a56073b 387 (__LL_USART_DIVFRAQ_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) & 0x07))
AnnaBridge 143:86740a56073b 388
AnnaBridge 143:86740a56073b 389 /**
AnnaBridge 143:86740a56073b 390 * @brief Compute USARTDIV value according to Peripheral Clock and
AnnaBridge 143:86740a56073b 391 * expected Baud Rate in 16 bits sampling mode (32 bits value of USARTDIV is returned)
AnnaBridge 143:86740a56073b 392 * @param __PERIPHCLK__ Peripheral Clock frequency used for USART instance
AnnaBridge 143:86740a56073b 393 * @param __BAUDRATE__ Baud rate value to achieve
AnnaBridge 143:86740a56073b 394 * @retval USARTDIV value to be used for BRR register filling in OverSampling_16 case
AnnaBridge 143:86740a56073b 395 */
AnnaBridge 143:86740a56073b 396 #define __LL_USART_DIV_SAMPLING16_100(__PERIPHCLK__, __BAUDRATE__) (((__PERIPHCLK__)*25)/(4*(__BAUDRATE__)))
AnnaBridge 143:86740a56073b 397 #define __LL_USART_DIVMANT_SAMPLING16(__PERIPHCLK__, __BAUDRATE__) (__LL_USART_DIV_SAMPLING16_100((__PERIPHCLK__), (__BAUDRATE__))/100)
AnnaBridge 143:86740a56073b 398 #define __LL_USART_DIVFRAQ_SAMPLING16(__PERIPHCLK__, __BAUDRATE__) (((__LL_USART_DIV_SAMPLING16_100((__PERIPHCLK__), (__BAUDRATE__)) - (__LL_USART_DIVMANT_SAMPLING16((__PERIPHCLK__), (__BAUDRATE__)) * 100)) * 16 + 50) / 100)
AnnaBridge 143:86740a56073b 399 /* USART BRR = mantissa + overflow + fraction
AnnaBridge 143:86740a56073b 400 = (USART DIVMANT << 4) + (USART DIVFRAQ & 0xF0) + (USART DIVFRAQ & 0x0F) */
AnnaBridge 143:86740a56073b 401 #define __LL_USART_DIV_SAMPLING16(__PERIPHCLK__, __BAUDRATE__) (((__LL_USART_DIVMANT_SAMPLING16((__PERIPHCLK__), (__BAUDRATE__)) << 4) + \
AnnaBridge 143:86740a56073b 402 (__LL_USART_DIVFRAQ_SAMPLING16((__PERIPHCLK__), (__BAUDRATE__)) & 0xF0)) + \
AnnaBridge 143:86740a56073b 403 (__LL_USART_DIVFRAQ_SAMPLING16((__PERIPHCLK__), (__BAUDRATE__)) & 0x0F))
AnnaBridge 143:86740a56073b 404
AnnaBridge 143:86740a56073b 405 /**
AnnaBridge 143:86740a56073b 406 * @}
AnnaBridge 143:86740a56073b 407 */
AnnaBridge 143:86740a56073b 408
AnnaBridge 143:86740a56073b 409 /**
AnnaBridge 143:86740a56073b 410 * @}
AnnaBridge 143:86740a56073b 411 */
AnnaBridge 143:86740a56073b 412
AnnaBridge 143:86740a56073b 413 /* Exported functions --------------------------------------------------------*/
AnnaBridge 143:86740a56073b 414
AnnaBridge 143:86740a56073b 415 /** @defgroup USART_LL_Exported_Functions USART Exported Functions
AnnaBridge 143:86740a56073b 416 * @{
AnnaBridge 143:86740a56073b 417 */
AnnaBridge 143:86740a56073b 418
AnnaBridge 143:86740a56073b 419 /** @defgroup USART_LL_EF_Configuration Configuration functions
AnnaBridge 143:86740a56073b 420 * @{
AnnaBridge 143:86740a56073b 421 */
AnnaBridge 143:86740a56073b 422
AnnaBridge 143:86740a56073b 423 /**
AnnaBridge 143:86740a56073b 424 * @brief USART Enable
AnnaBridge 143:86740a56073b 425 * @rmtoll CR1 UE LL_USART_Enable
AnnaBridge 143:86740a56073b 426 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 427 * @retval None
AnnaBridge 143:86740a56073b 428 */
AnnaBridge 143:86740a56073b 429 __STATIC_INLINE void LL_USART_Enable(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 430 {
AnnaBridge 143:86740a56073b 431 SET_BIT(USARTx->CR1, USART_CR1_UE);
AnnaBridge 143:86740a56073b 432 }
AnnaBridge 143:86740a56073b 433
AnnaBridge 143:86740a56073b 434 /**
AnnaBridge 143:86740a56073b 435 * @brief USART Disable (all USART prescalers and outputs are disabled)
AnnaBridge 143:86740a56073b 436 * @note When USART is disabled, USART prescalers and outputs are stopped immediately,
AnnaBridge 143:86740a56073b 437 * and current operations are discarded. The configuration of the USART is kept, but all the status
AnnaBridge 143:86740a56073b 438 * flags, in the USARTx_SR are set to their default values.
AnnaBridge 143:86740a56073b 439 * @rmtoll CR1 UE LL_USART_Disable
AnnaBridge 143:86740a56073b 440 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 441 * @retval None
AnnaBridge 143:86740a56073b 442 */
AnnaBridge 143:86740a56073b 443 __STATIC_INLINE void LL_USART_Disable(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 444 {
AnnaBridge 143:86740a56073b 445 CLEAR_BIT(USARTx->CR1, USART_CR1_UE);
AnnaBridge 143:86740a56073b 446 }
AnnaBridge 143:86740a56073b 447
AnnaBridge 143:86740a56073b 448 /**
AnnaBridge 143:86740a56073b 449 * @brief Indicate if USART is enabled
AnnaBridge 143:86740a56073b 450 * @rmtoll CR1 UE LL_USART_IsEnabled
AnnaBridge 143:86740a56073b 451 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 452 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 453 */
AnnaBridge 143:86740a56073b 454 __STATIC_INLINE uint32_t LL_USART_IsEnabled(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 455 {
AnnaBridge 143:86740a56073b 456 return (READ_BIT(USARTx->CR1, USART_CR1_UE) == (USART_CR1_UE));
AnnaBridge 143:86740a56073b 457 }
AnnaBridge 143:86740a56073b 458
AnnaBridge 143:86740a56073b 459 /**
AnnaBridge 143:86740a56073b 460 * @brief Receiver Enable (Receiver is enabled and begins searching for a start bit)
AnnaBridge 143:86740a56073b 461 * @rmtoll CR1 RE LL_USART_EnableDirectionRx
AnnaBridge 143:86740a56073b 462 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 463 * @retval None
AnnaBridge 143:86740a56073b 464 */
AnnaBridge 143:86740a56073b 465 __STATIC_INLINE void LL_USART_EnableDirectionRx(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 466 {
AnnaBridge 143:86740a56073b 467 SET_BIT(USARTx->CR1, USART_CR1_RE);
AnnaBridge 143:86740a56073b 468 }
AnnaBridge 143:86740a56073b 469
AnnaBridge 143:86740a56073b 470 /**
AnnaBridge 143:86740a56073b 471 * @brief Receiver Disable
AnnaBridge 143:86740a56073b 472 * @rmtoll CR1 RE LL_USART_DisableDirectionRx
AnnaBridge 143:86740a56073b 473 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 474 * @retval None
AnnaBridge 143:86740a56073b 475 */
AnnaBridge 143:86740a56073b 476 __STATIC_INLINE void LL_USART_DisableDirectionRx(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 477 {
AnnaBridge 143:86740a56073b 478 CLEAR_BIT(USARTx->CR1, USART_CR1_RE);
AnnaBridge 143:86740a56073b 479 }
AnnaBridge 143:86740a56073b 480
AnnaBridge 143:86740a56073b 481 /**
AnnaBridge 143:86740a56073b 482 * @brief Transmitter Enable
AnnaBridge 143:86740a56073b 483 * @rmtoll CR1 TE LL_USART_EnableDirectionTx
AnnaBridge 143:86740a56073b 484 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 485 * @retval None
AnnaBridge 143:86740a56073b 486 */
AnnaBridge 143:86740a56073b 487 __STATIC_INLINE void LL_USART_EnableDirectionTx(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 488 {
AnnaBridge 143:86740a56073b 489 SET_BIT(USARTx->CR1, USART_CR1_TE);
AnnaBridge 143:86740a56073b 490 }
AnnaBridge 143:86740a56073b 491
AnnaBridge 143:86740a56073b 492 /**
AnnaBridge 143:86740a56073b 493 * @brief Transmitter Disable
AnnaBridge 143:86740a56073b 494 * @rmtoll CR1 TE LL_USART_DisableDirectionTx
AnnaBridge 143:86740a56073b 495 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 496 * @retval None
AnnaBridge 143:86740a56073b 497 */
AnnaBridge 143:86740a56073b 498 __STATIC_INLINE void LL_USART_DisableDirectionTx(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 499 {
AnnaBridge 143:86740a56073b 500 CLEAR_BIT(USARTx->CR1, USART_CR1_TE);
AnnaBridge 143:86740a56073b 501 }
AnnaBridge 143:86740a56073b 502
AnnaBridge 143:86740a56073b 503 /**
AnnaBridge 143:86740a56073b 504 * @brief Configure simultaneously enabled/disabled states
AnnaBridge 143:86740a56073b 505 * of Transmitter and Receiver
AnnaBridge 143:86740a56073b 506 * @rmtoll CR1 RE LL_USART_SetTransferDirection\n
AnnaBridge 143:86740a56073b 507 * CR1 TE LL_USART_SetTransferDirection
AnnaBridge 143:86740a56073b 508 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 509 * @param TransferDirection This parameter can be one of the following values:
AnnaBridge 143:86740a56073b 510 * @arg @ref LL_USART_DIRECTION_NONE
AnnaBridge 143:86740a56073b 511 * @arg @ref LL_USART_DIRECTION_RX
AnnaBridge 143:86740a56073b 512 * @arg @ref LL_USART_DIRECTION_TX
AnnaBridge 143:86740a56073b 513 * @arg @ref LL_USART_DIRECTION_TX_RX
AnnaBridge 143:86740a56073b 514 * @retval None
AnnaBridge 143:86740a56073b 515 */
AnnaBridge 143:86740a56073b 516 __STATIC_INLINE void LL_USART_SetTransferDirection(USART_TypeDef *USARTx, uint32_t TransferDirection)
AnnaBridge 143:86740a56073b 517 {
AnnaBridge 143:86740a56073b 518 MODIFY_REG(USARTx->CR1, USART_CR1_RE | USART_CR1_TE, TransferDirection);
AnnaBridge 143:86740a56073b 519 }
AnnaBridge 143:86740a56073b 520
AnnaBridge 143:86740a56073b 521 /**
AnnaBridge 143:86740a56073b 522 * @brief Return enabled/disabled states of Transmitter and Receiver
AnnaBridge 143:86740a56073b 523 * @rmtoll CR1 RE LL_USART_GetTransferDirection\n
AnnaBridge 143:86740a56073b 524 * CR1 TE LL_USART_GetTransferDirection
AnnaBridge 143:86740a56073b 525 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 526 * @retval Returned value can be one of the following values:
AnnaBridge 143:86740a56073b 527 * @arg @ref LL_USART_DIRECTION_NONE
AnnaBridge 143:86740a56073b 528 * @arg @ref LL_USART_DIRECTION_RX
AnnaBridge 143:86740a56073b 529 * @arg @ref LL_USART_DIRECTION_TX
AnnaBridge 143:86740a56073b 530 * @arg @ref LL_USART_DIRECTION_TX_RX
AnnaBridge 143:86740a56073b 531 */
AnnaBridge 143:86740a56073b 532 __STATIC_INLINE uint32_t LL_USART_GetTransferDirection(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 533 {
AnnaBridge 143:86740a56073b 534 return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_RE | USART_CR1_TE));
AnnaBridge 143:86740a56073b 535 }
AnnaBridge 143:86740a56073b 536
AnnaBridge 143:86740a56073b 537 /**
AnnaBridge 143:86740a56073b 538 * @brief Configure Parity (enabled/disabled and parity mode if enabled).
AnnaBridge 143:86740a56073b 539 * @note This function selects if hardware parity control (generation and detection) is enabled or disabled.
AnnaBridge 143:86740a56073b 540 * When the parity control is enabled (Odd or Even), computed parity bit is inserted at the MSB position
AnnaBridge 143:86740a56073b 541 * (9th or 8th bit depending on data width) and parity is checked on the received data.
AnnaBridge 143:86740a56073b 542 * @rmtoll CR1 PS LL_USART_SetParity\n
AnnaBridge 143:86740a56073b 543 * CR1 PCE LL_USART_SetParity
AnnaBridge 143:86740a56073b 544 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 545 * @param Parity This parameter can be one of the following values:
AnnaBridge 143:86740a56073b 546 * @arg @ref LL_USART_PARITY_NONE
AnnaBridge 143:86740a56073b 547 * @arg @ref LL_USART_PARITY_EVEN
AnnaBridge 143:86740a56073b 548 * @arg @ref LL_USART_PARITY_ODD
AnnaBridge 143:86740a56073b 549 * @retval None
AnnaBridge 143:86740a56073b 550 */
AnnaBridge 143:86740a56073b 551 __STATIC_INLINE void LL_USART_SetParity(USART_TypeDef *USARTx, uint32_t Parity)
AnnaBridge 143:86740a56073b 552 {
AnnaBridge 143:86740a56073b 553 MODIFY_REG(USARTx->CR1, USART_CR1_PS | USART_CR1_PCE, Parity);
AnnaBridge 143:86740a56073b 554 }
AnnaBridge 143:86740a56073b 555
AnnaBridge 143:86740a56073b 556 /**
AnnaBridge 143:86740a56073b 557 * @brief Return Parity configuration (enabled/disabled and parity mode if enabled)
AnnaBridge 143:86740a56073b 558 * @rmtoll CR1 PS LL_USART_GetParity\n
AnnaBridge 143:86740a56073b 559 * CR1 PCE LL_USART_GetParity
AnnaBridge 143:86740a56073b 560 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 561 * @retval Returned value can be one of the following values:
AnnaBridge 143:86740a56073b 562 * @arg @ref LL_USART_PARITY_NONE
AnnaBridge 143:86740a56073b 563 * @arg @ref LL_USART_PARITY_EVEN
AnnaBridge 143:86740a56073b 564 * @arg @ref LL_USART_PARITY_ODD
AnnaBridge 143:86740a56073b 565 */
AnnaBridge 143:86740a56073b 566 __STATIC_INLINE uint32_t LL_USART_GetParity(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 567 {
AnnaBridge 143:86740a56073b 568 return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_PS | USART_CR1_PCE));
AnnaBridge 143:86740a56073b 569 }
AnnaBridge 143:86740a56073b 570
AnnaBridge 143:86740a56073b 571 /**
AnnaBridge 143:86740a56073b 572 * @brief Set Receiver Wake Up method from Mute mode.
AnnaBridge 143:86740a56073b 573 * @rmtoll CR1 WAKE LL_USART_SetWakeUpMethod
AnnaBridge 143:86740a56073b 574 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 575 * @param Method This parameter can be one of the following values:
AnnaBridge 143:86740a56073b 576 * @arg @ref LL_USART_WAKEUP_IDLELINE
AnnaBridge 143:86740a56073b 577 * @arg @ref LL_USART_WAKEUP_ADDRESSMARK
AnnaBridge 143:86740a56073b 578 * @retval None
AnnaBridge 143:86740a56073b 579 */
AnnaBridge 143:86740a56073b 580 __STATIC_INLINE void LL_USART_SetWakeUpMethod(USART_TypeDef *USARTx, uint32_t Method)
AnnaBridge 143:86740a56073b 581 {
AnnaBridge 143:86740a56073b 582 MODIFY_REG(USARTx->CR1, USART_CR1_WAKE, Method);
AnnaBridge 143:86740a56073b 583 }
AnnaBridge 143:86740a56073b 584
AnnaBridge 143:86740a56073b 585 /**
AnnaBridge 143:86740a56073b 586 * @brief Return Receiver Wake Up method from Mute mode
AnnaBridge 143:86740a56073b 587 * @rmtoll CR1 WAKE LL_USART_GetWakeUpMethod
AnnaBridge 143:86740a56073b 588 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 589 * @retval Returned value can be one of the following values:
AnnaBridge 143:86740a56073b 590 * @arg @ref LL_USART_WAKEUP_IDLELINE
AnnaBridge 143:86740a56073b 591 * @arg @ref LL_USART_WAKEUP_ADDRESSMARK
AnnaBridge 143:86740a56073b 592 */
AnnaBridge 143:86740a56073b 593 __STATIC_INLINE uint32_t LL_USART_GetWakeUpMethod(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 594 {
AnnaBridge 143:86740a56073b 595 return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_WAKE));
AnnaBridge 143:86740a56073b 596 }
AnnaBridge 143:86740a56073b 597
AnnaBridge 143:86740a56073b 598 /**
AnnaBridge 143:86740a56073b 599 * @brief Set Word length (i.e. nb of data bits, excluding start and stop bits)
AnnaBridge 143:86740a56073b 600 * @rmtoll CR1 M LL_USART_SetDataWidth
AnnaBridge 143:86740a56073b 601 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 602 * @param DataWidth This parameter can be one of the following values:
AnnaBridge 143:86740a56073b 603 * @arg @ref LL_USART_DATAWIDTH_8B
AnnaBridge 143:86740a56073b 604 * @arg @ref LL_USART_DATAWIDTH_9B
AnnaBridge 143:86740a56073b 605 * @retval None
AnnaBridge 143:86740a56073b 606 */
AnnaBridge 143:86740a56073b 607 __STATIC_INLINE void LL_USART_SetDataWidth(USART_TypeDef *USARTx, uint32_t DataWidth)
AnnaBridge 143:86740a56073b 608 {
AnnaBridge 143:86740a56073b 609 MODIFY_REG(USARTx->CR1, USART_CR1_M, DataWidth);
AnnaBridge 143:86740a56073b 610 }
AnnaBridge 143:86740a56073b 611
AnnaBridge 143:86740a56073b 612 /**
AnnaBridge 143:86740a56073b 613 * @brief Return Word length (i.e. nb of data bits, excluding start and stop bits)
AnnaBridge 143:86740a56073b 614 * @rmtoll CR1 M LL_USART_GetDataWidth
AnnaBridge 143:86740a56073b 615 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 616 * @retval Returned value can be one of the following values:
AnnaBridge 143:86740a56073b 617 * @arg @ref LL_USART_DATAWIDTH_8B
AnnaBridge 143:86740a56073b 618 * @arg @ref LL_USART_DATAWIDTH_9B
AnnaBridge 143:86740a56073b 619 */
AnnaBridge 143:86740a56073b 620 __STATIC_INLINE uint32_t LL_USART_GetDataWidth(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 621 {
AnnaBridge 143:86740a56073b 622 return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_M));
AnnaBridge 143:86740a56073b 623 }
AnnaBridge 143:86740a56073b 624
AnnaBridge 143:86740a56073b 625 #if defined(USART_CR1_OVER8)
AnnaBridge 143:86740a56073b 626 /**
AnnaBridge 143:86740a56073b 627 * @brief Set Oversampling to 8-bit or 16-bit mode
AnnaBridge 143:86740a56073b 628 * @rmtoll CR1 OVER8 LL_USART_SetOverSampling
AnnaBridge 143:86740a56073b 629 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 630 * @param OverSampling This parameter can be one of the following values:
AnnaBridge 143:86740a56073b 631 * @arg @ref LL_USART_OVERSAMPLING_16
AnnaBridge 143:86740a56073b 632 * @arg @ref LL_USART_OVERSAMPLING_8
AnnaBridge 143:86740a56073b 633 * @retval None
AnnaBridge 143:86740a56073b 634 */
AnnaBridge 143:86740a56073b 635 __STATIC_INLINE void LL_USART_SetOverSampling(USART_TypeDef *USARTx, uint32_t OverSampling)
AnnaBridge 143:86740a56073b 636 {
AnnaBridge 143:86740a56073b 637 MODIFY_REG(USARTx->CR1, USART_CR1_OVER8, OverSampling);
AnnaBridge 143:86740a56073b 638 }
AnnaBridge 143:86740a56073b 639
AnnaBridge 143:86740a56073b 640 /**
AnnaBridge 143:86740a56073b 641 * @brief Return Oversampling mode
AnnaBridge 143:86740a56073b 642 * @rmtoll CR1 OVER8 LL_USART_GetOverSampling
AnnaBridge 143:86740a56073b 643 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 644 * @retval Returned value can be one of the following values:
AnnaBridge 143:86740a56073b 645 * @arg @ref LL_USART_OVERSAMPLING_16
AnnaBridge 143:86740a56073b 646 * @arg @ref LL_USART_OVERSAMPLING_8
AnnaBridge 143:86740a56073b 647 */
AnnaBridge 143:86740a56073b 648 __STATIC_INLINE uint32_t LL_USART_GetOverSampling(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 649 {
AnnaBridge 143:86740a56073b 650 return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_OVER8));
AnnaBridge 143:86740a56073b 651 }
AnnaBridge 143:86740a56073b 652
AnnaBridge 143:86740a56073b 653 #endif /* USART_OverSampling_Feature */
AnnaBridge 143:86740a56073b 654 /**
AnnaBridge 143:86740a56073b 655 * @brief Configure if Clock pulse of the last data bit is output to the SCLK pin or not
AnnaBridge 143:86740a56073b 656 * @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 657 * Synchronous mode is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 658 * @rmtoll CR2 LBCL LL_USART_SetLastClkPulseOutput
AnnaBridge 143:86740a56073b 659 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 660 * @param LastBitClockPulse This parameter can be one of the following values:
AnnaBridge 143:86740a56073b 661 * @arg @ref LL_USART_LASTCLKPULSE_NO_OUTPUT
AnnaBridge 143:86740a56073b 662 * @arg @ref LL_USART_LASTCLKPULSE_OUTPUT
AnnaBridge 143:86740a56073b 663 * @retval None
AnnaBridge 143:86740a56073b 664 */
AnnaBridge 143:86740a56073b 665 __STATIC_INLINE void LL_USART_SetLastClkPulseOutput(USART_TypeDef *USARTx, uint32_t LastBitClockPulse)
AnnaBridge 143:86740a56073b 666 {
AnnaBridge 143:86740a56073b 667 MODIFY_REG(USARTx->CR2, USART_CR2_LBCL, LastBitClockPulse);
AnnaBridge 143:86740a56073b 668 }
AnnaBridge 143:86740a56073b 669
AnnaBridge 143:86740a56073b 670 /**
AnnaBridge 143:86740a56073b 671 * @brief Retrieve Clock pulse of the last data bit output configuration
AnnaBridge 143:86740a56073b 672 * (Last bit Clock pulse output to the SCLK pin or not)
AnnaBridge 143:86740a56073b 673 * @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 674 * Synchronous mode is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 675 * @rmtoll CR2 LBCL LL_USART_GetLastClkPulseOutput
AnnaBridge 143:86740a56073b 676 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 677 * @retval Returned value can be one of the following values:
AnnaBridge 143:86740a56073b 678 * @arg @ref LL_USART_LASTCLKPULSE_NO_OUTPUT
AnnaBridge 143:86740a56073b 679 * @arg @ref LL_USART_LASTCLKPULSE_OUTPUT
AnnaBridge 143:86740a56073b 680 */
AnnaBridge 143:86740a56073b 681 __STATIC_INLINE uint32_t LL_USART_GetLastClkPulseOutput(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 682 {
AnnaBridge 143:86740a56073b 683 return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_LBCL));
AnnaBridge 143:86740a56073b 684 }
AnnaBridge 143:86740a56073b 685
AnnaBridge 143:86740a56073b 686 /**
AnnaBridge 143:86740a56073b 687 * @brief Select the phase of the clock output on the SCLK pin in synchronous mode
AnnaBridge 143:86740a56073b 688 * @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 689 * Synchronous mode is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 690 * @rmtoll CR2 CPHA LL_USART_SetClockPhase
AnnaBridge 143:86740a56073b 691 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 692 * @param ClockPhase This parameter can be one of the following values:
AnnaBridge 143:86740a56073b 693 * @arg @ref LL_USART_PHASE_1EDGE
AnnaBridge 143:86740a56073b 694 * @arg @ref LL_USART_PHASE_2EDGE
AnnaBridge 143:86740a56073b 695 * @retval None
AnnaBridge 143:86740a56073b 696 */
AnnaBridge 143:86740a56073b 697 __STATIC_INLINE void LL_USART_SetClockPhase(USART_TypeDef *USARTx, uint32_t ClockPhase)
AnnaBridge 143:86740a56073b 698 {
AnnaBridge 143:86740a56073b 699 MODIFY_REG(USARTx->CR2, USART_CR2_CPHA, ClockPhase);
AnnaBridge 143:86740a56073b 700 }
AnnaBridge 143:86740a56073b 701
AnnaBridge 143:86740a56073b 702 /**
AnnaBridge 143:86740a56073b 703 * @brief Return phase of the clock output on the SCLK pin in synchronous mode
AnnaBridge 143:86740a56073b 704 * @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 705 * Synchronous mode is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 706 * @rmtoll CR2 CPHA LL_USART_GetClockPhase
AnnaBridge 143:86740a56073b 707 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 708 * @retval Returned value can be one of the following values:
AnnaBridge 143:86740a56073b 709 * @arg @ref LL_USART_PHASE_1EDGE
AnnaBridge 143:86740a56073b 710 * @arg @ref LL_USART_PHASE_2EDGE
AnnaBridge 143:86740a56073b 711 */
AnnaBridge 143:86740a56073b 712 __STATIC_INLINE uint32_t LL_USART_GetClockPhase(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 713 {
AnnaBridge 143:86740a56073b 714 return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_CPHA));
AnnaBridge 143:86740a56073b 715 }
AnnaBridge 143:86740a56073b 716
AnnaBridge 143:86740a56073b 717 /**
AnnaBridge 143:86740a56073b 718 * @brief Select the polarity of the clock output on the SCLK pin in synchronous mode
AnnaBridge 143:86740a56073b 719 * @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 720 * Synchronous mode is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 721 * @rmtoll CR2 CPOL LL_USART_SetClockPolarity
AnnaBridge 143:86740a56073b 722 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 723 * @param ClockPolarity This parameter can be one of the following values:
AnnaBridge 143:86740a56073b 724 * @arg @ref LL_USART_POLARITY_LOW
AnnaBridge 143:86740a56073b 725 * @arg @ref LL_USART_POLARITY_HIGH
AnnaBridge 143:86740a56073b 726 * @retval None
AnnaBridge 143:86740a56073b 727 */
AnnaBridge 143:86740a56073b 728 __STATIC_INLINE void LL_USART_SetClockPolarity(USART_TypeDef *USARTx, uint32_t ClockPolarity)
AnnaBridge 143:86740a56073b 729 {
AnnaBridge 143:86740a56073b 730 MODIFY_REG(USARTx->CR2, USART_CR2_CPOL, ClockPolarity);
AnnaBridge 143:86740a56073b 731 }
AnnaBridge 143:86740a56073b 732
AnnaBridge 143:86740a56073b 733 /**
AnnaBridge 143:86740a56073b 734 * @brief Return polarity of the clock output on the SCLK pin in synchronous mode
AnnaBridge 143:86740a56073b 735 * @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 736 * Synchronous mode is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 737 * @rmtoll CR2 CPOL LL_USART_GetClockPolarity
AnnaBridge 143:86740a56073b 738 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 739 * @retval Returned value can be one of the following values:
AnnaBridge 143:86740a56073b 740 * @arg @ref LL_USART_POLARITY_LOW
AnnaBridge 143:86740a56073b 741 * @arg @ref LL_USART_POLARITY_HIGH
AnnaBridge 143:86740a56073b 742 */
AnnaBridge 143:86740a56073b 743 __STATIC_INLINE uint32_t LL_USART_GetClockPolarity(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 744 {
AnnaBridge 143:86740a56073b 745 return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_CPOL));
AnnaBridge 143:86740a56073b 746 }
AnnaBridge 143:86740a56073b 747
AnnaBridge 143:86740a56073b 748 /**
AnnaBridge 143:86740a56073b 749 * @brief Configure Clock signal format (Phase Polarity and choice about output of last bit clock pulse)
AnnaBridge 143:86740a56073b 750 * @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 751 * Synchronous mode is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 752 * @note Call of this function is equivalent to following function call sequence :
AnnaBridge 143:86740a56073b 753 * - Clock Phase configuration using @ref LL_USART_SetClockPhase() function
AnnaBridge 143:86740a56073b 754 * - Clock Polarity configuration using @ref LL_USART_SetClockPolarity() function
AnnaBridge 143:86740a56073b 755 * - Output of Last bit Clock pulse configuration using @ref LL_USART_SetLastClkPulseOutput() function
AnnaBridge 143:86740a56073b 756 * @rmtoll CR2 CPHA LL_USART_ConfigClock\n
AnnaBridge 143:86740a56073b 757 * CR2 CPOL LL_USART_ConfigClock\n
AnnaBridge 143:86740a56073b 758 * CR2 LBCL LL_USART_ConfigClock
AnnaBridge 143:86740a56073b 759 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 760 * @param Phase This parameter can be one of the following values:
AnnaBridge 143:86740a56073b 761 * @arg @ref LL_USART_PHASE_1EDGE
AnnaBridge 143:86740a56073b 762 * @arg @ref LL_USART_PHASE_2EDGE
AnnaBridge 143:86740a56073b 763 * @param Polarity This parameter can be one of the following values:
AnnaBridge 143:86740a56073b 764 * @arg @ref LL_USART_POLARITY_LOW
AnnaBridge 143:86740a56073b 765 * @arg @ref LL_USART_POLARITY_HIGH
AnnaBridge 143:86740a56073b 766 * @param LBCPOutput This parameter can be one of the following values:
AnnaBridge 143:86740a56073b 767 * @arg @ref LL_USART_LASTCLKPULSE_NO_OUTPUT
AnnaBridge 143:86740a56073b 768 * @arg @ref LL_USART_LASTCLKPULSE_OUTPUT
AnnaBridge 143:86740a56073b 769 * @retval None
AnnaBridge 143:86740a56073b 770 */
AnnaBridge 143:86740a56073b 771 __STATIC_INLINE void LL_USART_ConfigClock(USART_TypeDef *USARTx, uint32_t Phase, uint32_t Polarity, uint32_t LBCPOutput)
AnnaBridge 143:86740a56073b 772 {
AnnaBridge 143:86740a56073b 773 MODIFY_REG(USARTx->CR2, USART_CR2_CPHA | USART_CR2_CPOL | USART_CR2_LBCL, Phase | Polarity | LBCPOutput);
AnnaBridge 143:86740a56073b 774 }
AnnaBridge 143:86740a56073b 775
AnnaBridge 143:86740a56073b 776 /**
AnnaBridge 143:86740a56073b 777 * @brief Enable Clock output on SCLK pin
AnnaBridge 143:86740a56073b 778 * @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 779 * Synchronous mode is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 780 * @rmtoll CR2 CLKEN LL_USART_EnableSCLKOutput
AnnaBridge 143:86740a56073b 781 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 782 * @retval None
AnnaBridge 143:86740a56073b 783 */
AnnaBridge 143:86740a56073b 784 __STATIC_INLINE void LL_USART_EnableSCLKOutput(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 785 {
AnnaBridge 143:86740a56073b 786 SET_BIT(USARTx->CR2, USART_CR2_CLKEN);
AnnaBridge 143:86740a56073b 787 }
AnnaBridge 143:86740a56073b 788
AnnaBridge 143:86740a56073b 789 /**
AnnaBridge 143:86740a56073b 790 * @brief Disable Clock output on SCLK pin
AnnaBridge 143:86740a56073b 791 * @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 792 * Synchronous mode is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 793 * @rmtoll CR2 CLKEN LL_USART_DisableSCLKOutput
AnnaBridge 143:86740a56073b 794 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 795 * @retval None
AnnaBridge 143:86740a56073b 796 */
AnnaBridge 143:86740a56073b 797 __STATIC_INLINE void LL_USART_DisableSCLKOutput(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 798 {
AnnaBridge 143:86740a56073b 799 CLEAR_BIT(USARTx->CR2, USART_CR2_CLKEN);
AnnaBridge 143:86740a56073b 800 }
AnnaBridge 143:86740a56073b 801
AnnaBridge 143:86740a56073b 802 /**
AnnaBridge 143:86740a56073b 803 * @brief Indicate if Clock output on SCLK pin is enabled
AnnaBridge 143:86740a56073b 804 * @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 805 * Synchronous mode is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 806 * @rmtoll CR2 CLKEN LL_USART_IsEnabledSCLKOutput
AnnaBridge 143:86740a56073b 807 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 808 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 809 */
AnnaBridge 143:86740a56073b 810 __STATIC_INLINE uint32_t LL_USART_IsEnabledSCLKOutput(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 811 {
AnnaBridge 143:86740a56073b 812 return (READ_BIT(USARTx->CR2, USART_CR2_CLKEN) == (USART_CR2_CLKEN));
AnnaBridge 143:86740a56073b 813 }
AnnaBridge 143:86740a56073b 814
AnnaBridge 143:86740a56073b 815 /**
AnnaBridge 143:86740a56073b 816 * @brief Set the length of the stop bits
AnnaBridge 143:86740a56073b 817 * @rmtoll CR2 STOP LL_USART_SetStopBitsLength
AnnaBridge 143:86740a56073b 818 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 819 * @param StopBits This parameter can be one of the following values:
AnnaBridge 143:86740a56073b 820 * @arg @ref LL_USART_STOPBITS_0_5
AnnaBridge 143:86740a56073b 821 * @arg @ref LL_USART_STOPBITS_1
AnnaBridge 143:86740a56073b 822 * @arg @ref LL_USART_STOPBITS_1_5
AnnaBridge 143:86740a56073b 823 * @arg @ref LL_USART_STOPBITS_2
AnnaBridge 143:86740a56073b 824 * @retval None
AnnaBridge 143:86740a56073b 825 */
AnnaBridge 143:86740a56073b 826 __STATIC_INLINE void LL_USART_SetStopBitsLength(USART_TypeDef *USARTx, uint32_t StopBits)
AnnaBridge 143:86740a56073b 827 {
AnnaBridge 143:86740a56073b 828 MODIFY_REG(USARTx->CR2, USART_CR2_STOP, StopBits);
AnnaBridge 143:86740a56073b 829 }
AnnaBridge 143:86740a56073b 830
AnnaBridge 143:86740a56073b 831 /**
AnnaBridge 143:86740a56073b 832 * @brief Retrieve the length of the stop bits
AnnaBridge 143:86740a56073b 833 * @rmtoll CR2 STOP LL_USART_GetStopBitsLength
AnnaBridge 143:86740a56073b 834 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 835 * @retval Returned value can be one of the following values:
AnnaBridge 143:86740a56073b 836 * @arg @ref LL_USART_STOPBITS_0_5
AnnaBridge 143:86740a56073b 837 * @arg @ref LL_USART_STOPBITS_1
AnnaBridge 143:86740a56073b 838 * @arg @ref LL_USART_STOPBITS_1_5
AnnaBridge 143:86740a56073b 839 * @arg @ref LL_USART_STOPBITS_2
AnnaBridge 143:86740a56073b 840 */
AnnaBridge 143:86740a56073b 841 __STATIC_INLINE uint32_t LL_USART_GetStopBitsLength(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 842 {
AnnaBridge 143:86740a56073b 843 return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_STOP));
AnnaBridge 143:86740a56073b 844 }
AnnaBridge 143:86740a56073b 845
AnnaBridge 143:86740a56073b 846 /**
AnnaBridge 143:86740a56073b 847 * @brief Configure Character frame format (Datawidth, Parity control, Stop Bits)
AnnaBridge 143:86740a56073b 848 * @note Call of this function is equivalent to following function call sequence :
AnnaBridge 143:86740a56073b 849 * - Data Width configuration using @ref LL_USART_SetDataWidth() function
AnnaBridge 143:86740a56073b 850 * - Parity Control and mode configuration using @ref LL_USART_SetParity() function
AnnaBridge 143:86740a56073b 851 * - Stop bits configuration using @ref LL_USART_SetStopBitsLength() function
AnnaBridge 143:86740a56073b 852 * @rmtoll CR1 PS LL_USART_ConfigCharacter\n
AnnaBridge 143:86740a56073b 853 * CR1 PCE LL_USART_ConfigCharacter\n
AnnaBridge 143:86740a56073b 854 * CR1 M LL_USART_ConfigCharacter\n
AnnaBridge 143:86740a56073b 855 * CR2 STOP LL_USART_ConfigCharacter
AnnaBridge 143:86740a56073b 856 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 857 * @param DataWidth This parameter can be one of the following values:
AnnaBridge 143:86740a56073b 858 * @arg @ref LL_USART_DATAWIDTH_8B
AnnaBridge 143:86740a56073b 859 * @arg @ref LL_USART_DATAWIDTH_9B
AnnaBridge 143:86740a56073b 860 * @param Parity This parameter can be one of the following values:
AnnaBridge 143:86740a56073b 861 * @arg @ref LL_USART_PARITY_NONE
AnnaBridge 143:86740a56073b 862 * @arg @ref LL_USART_PARITY_EVEN
AnnaBridge 143:86740a56073b 863 * @arg @ref LL_USART_PARITY_ODD
AnnaBridge 143:86740a56073b 864 * @param StopBits This parameter can be one of the following values:
AnnaBridge 143:86740a56073b 865 * @arg @ref LL_USART_STOPBITS_0_5
AnnaBridge 143:86740a56073b 866 * @arg @ref LL_USART_STOPBITS_1
AnnaBridge 143:86740a56073b 867 * @arg @ref LL_USART_STOPBITS_1_5
AnnaBridge 143:86740a56073b 868 * @arg @ref LL_USART_STOPBITS_2
AnnaBridge 143:86740a56073b 869 * @retval None
AnnaBridge 143:86740a56073b 870 */
AnnaBridge 143:86740a56073b 871 __STATIC_INLINE void LL_USART_ConfigCharacter(USART_TypeDef *USARTx, uint32_t DataWidth, uint32_t Parity,
AnnaBridge 143:86740a56073b 872 uint32_t StopBits)
AnnaBridge 143:86740a56073b 873 {
AnnaBridge 143:86740a56073b 874 MODIFY_REG(USARTx->CR1, USART_CR1_PS | USART_CR1_PCE | USART_CR1_M, Parity | DataWidth);
AnnaBridge 143:86740a56073b 875 MODIFY_REG(USARTx->CR2, USART_CR2_STOP, StopBits);
AnnaBridge 143:86740a56073b 876 }
AnnaBridge 143:86740a56073b 877
AnnaBridge 143:86740a56073b 878 /**
AnnaBridge 143:86740a56073b 879 * @brief Set Address of the USART node.
AnnaBridge 143:86740a56073b 880 * @note This is used in multiprocessor communication during Mute mode or Stop mode,
AnnaBridge 143:86740a56073b 881 * for wake up with address mark detection.
AnnaBridge 143:86740a56073b 882 * @rmtoll CR2 ADD LL_USART_SetNodeAddress
AnnaBridge 143:86740a56073b 883 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 884 * @param NodeAddress 4 bit Address of the USART node.
AnnaBridge 143:86740a56073b 885 * @retval None
AnnaBridge 143:86740a56073b 886 */
AnnaBridge 143:86740a56073b 887 __STATIC_INLINE void LL_USART_SetNodeAddress(USART_TypeDef *USARTx, uint32_t NodeAddress)
AnnaBridge 143:86740a56073b 888 {
AnnaBridge 143:86740a56073b 889 MODIFY_REG(USARTx->CR2, USART_CR2_ADD, (NodeAddress & USART_CR2_ADD));
AnnaBridge 143:86740a56073b 890 }
AnnaBridge 143:86740a56073b 891
AnnaBridge 143:86740a56073b 892 /**
AnnaBridge 143:86740a56073b 893 * @brief Return 4 bit Address of the USART node as set in ADD field of CR2.
AnnaBridge 143:86740a56073b 894 * @note only 4bits (b3-b0) of returned value are relevant (b31-b4 are not relevant)
AnnaBridge 143:86740a56073b 895 * @rmtoll CR2 ADD LL_USART_GetNodeAddress
AnnaBridge 143:86740a56073b 896 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 897 * @retval Address of the USART node (Value between Min_Data=0 and Max_Data=255)
AnnaBridge 143:86740a56073b 898 */
AnnaBridge 143:86740a56073b 899 __STATIC_INLINE uint32_t LL_USART_GetNodeAddress(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 900 {
AnnaBridge 143:86740a56073b 901 return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_ADD));
AnnaBridge 143:86740a56073b 902 }
AnnaBridge 143:86740a56073b 903
AnnaBridge 143:86740a56073b 904 /**
AnnaBridge 143:86740a56073b 905 * @brief Enable RTS HW Flow Control
AnnaBridge 143:86740a56073b 906 * @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 907 * Hardware Flow control feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 908 * @rmtoll CR3 RTSE LL_USART_EnableRTSHWFlowCtrl
AnnaBridge 143:86740a56073b 909 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 910 * @retval None
AnnaBridge 143:86740a56073b 911 */
AnnaBridge 143:86740a56073b 912 __STATIC_INLINE void LL_USART_EnableRTSHWFlowCtrl(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 913 {
AnnaBridge 143:86740a56073b 914 SET_BIT(USARTx->CR3, USART_CR3_RTSE);
AnnaBridge 143:86740a56073b 915 }
AnnaBridge 143:86740a56073b 916
AnnaBridge 143:86740a56073b 917 /**
AnnaBridge 143:86740a56073b 918 * @brief Disable RTS HW Flow Control
AnnaBridge 143:86740a56073b 919 * @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 920 * Hardware Flow control feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 921 * @rmtoll CR3 RTSE LL_USART_DisableRTSHWFlowCtrl
AnnaBridge 143:86740a56073b 922 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 923 * @retval None
AnnaBridge 143:86740a56073b 924 */
AnnaBridge 143:86740a56073b 925 __STATIC_INLINE void LL_USART_DisableRTSHWFlowCtrl(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 926 {
AnnaBridge 143:86740a56073b 927 CLEAR_BIT(USARTx->CR3, USART_CR3_RTSE);
AnnaBridge 143:86740a56073b 928 }
AnnaBridge 143:86740a56073b 929
AnnaBridge 143:86740a56073b 930 /**
AnnaBridge 143:86740a56073b 931 * @brief Enable CTS HW Flow Control
AnnaBridge 143:86740a56073b 932 * @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 933 * Hardware Flow control feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 934 * @rmtoll CR3 CTSE LL_USART_EnableCTSHWFlowCtrl
AnnaBridge 143:86740a56073b 935 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 936 * @retval None
AnnaBridge 143:86740a56073b 937 */
AnnaBridge 143:86740a56073b 938 __STATIC_INLINE void LL_USART_EnableCTSHWFlowCtrl(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 939 {
AnnaBridge 143:86740a56073b 940 SET_BIT(USARTx->CR3, USART_CR3_CTSE);
AnnaBridge 143:86740a56073b 941 }
AnnaBridge 143:86740a56073b 942
AnnaBridge 143:86740a56073b 943 /**
AnnaBridge 143:86740a56073b 944 * @brief Disable CTS HW Flow Control
AnnaBridge 143:86740a56073b 945 * @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 946 * Hardware Flow control feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 947 * @rmtoll CR3 CTSE LL_USART_DisableCTSHWFlowCtrl
AnnaBridge 143:86740a56073b 948 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 949 * @retval None
AnnaBridge 143:86740a56073b 950 */
AnnaBridge 143:86740a56073b 951 __STATIC_INLINE void LL_USART_DisableCTSHWFlowCtrl(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 952 {
AnnaBridge 143:86740a56073b 953 CLEAR_BIT(USARTx->CR3, USART_CR3_CTSE);
AnnaBridge 143:86740a56073b 954 }
AnnaBridge 143:86740a56073b 955
AnnaBridge 143:86740a56073b 956 /**
AnnaBridge 143:86740a56073b 957 * @brief Configure HW Flow Control mode (both CTS and RTS)
AnnaBridge 143:86740a56073b 958 * @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 959 * Hardware Flow control feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 960 * @rmtoll CR3 RTSE LL_USART_SetHWFlowCtrl\n
AnnaBridge 143:86740a56073b 961 * CR3 CTSE LL_USART_SetHWFlowCtrl
AnnaBridge 143:86740a56073b 962 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 963 * @param HardwareFlowControl This parameter can be one of the following values:
AnnaBridge 143:86740a56073b 964 * @arg @ref LL_USART_HWCONTROL_NONE
AnnaBridge 143:86740a56073b 965 * @arg @ref LL_USART_HWCONTROL_RTS
AnnaBridge 143:86740a56073b 966 * @arg @ref LL_USART_HWCONTROL_CTS
AnnaBridge 143:86740a56073b 967 * @arg @ref LL_USART_HWCONTROL_RTS_CTS
AnnaBridge 143:86740a56073b 968 * @retval None
AnnaBridge 143:86740a56073b 969 */
AnnaBridge 143:86740a56073b 970 __STATIC_INLINE void LL_USART_SetHWFlowCtrl(USART_TypeDef *USARTx, uint32_t HardwareFlowControl)
AnnaBridge 143:86740a56073b 971 {
AnnaBridge 143:86740a56073b 972 MODIFY_REG(USARTx->CR3, USART_CR3_RTSE | USART_CR3_CTSE, HardwareFlowControl);
AnnaBridge 143:86740a56073b 973 }
AnnaBridge 143:86740a56073b 974
AnnaBridge 143:86740a56073b 975 /**
AnnaBridge 143:86740a56073b 976 * @brief Return HW Flow Control configuration (both CTS and RTS)
AnnaBridge 143:86740a56073b 977 * @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 978 * Hardware Flow control feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 979 * @rmtoll CR3 RTSE LL_USART_GetHWFlowCtrl\n
AnnaBridge 143:86740a56073b 980 * CR3 CTSE LL_USART_GetHWFlowCtrl
AnnaBridge 143:86740a56073b 981 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 982 * @retval Returned value can be one of the following values:
AnnaBridge 143:86740a56073b 983 * @arg @ref LL_USART_HWCONTROL_NONE
AnnaBridge 143:86740a56073b 984 * @arg @ref LL_USART_HWCONTROL_RTS
AnnaBridge 143:86740a56073b 985 * @arg @ref LL_USART_HWCONTROL_CTS
AnnaBridge 143:86740a56073b 986 * @arg @ref LL_USART_HWCONTROL_RTS_CTS
AnnaBridge 143:86740a56073b 987 */
AnnaBridge 143:86740a56073b 988 __STATIC_INLINE uint32_t LL_USART_GetHWFlowCtrl(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 989 {
AnnaBridge 143:86740a56073b 990 return (uint32_t)(READ_BIT(USARTx->CR3, USART_CR3_RTSE | USART_CR3_CTSE));
AnnaBridge 143:86740a56073b 991 }
AnnaBridge 143:86740a56073b 992
AnnaBridge 143:86740a56073b 993 #if defined(USART_CR3_ONEBIT)
AnnaBridge 143:86740a56073b 994 /**
AnnaBridge 143:86740a56073b 995 * @brief Enable One bit sampling method
AnnaBridge 143:86740a56073b 996 * @rmtoll CR3 ONEBIT LL_USART_EnableOneBitSamp
AnnaBridge 143:86740a56073b 997 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 998 * @retval None
AnnaBridge 143:86740a56073b 999 */
AnnaBridge 143:86740a56073b 1000 __STATIC_INLINE void LL_USART_EnableOneBitSamp(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1001 {
AnnaBridge 143:86740a56073b 1002 SET_BIT(USARTx->CR3, USART_CR3_ONEBIT);
AnnaBridge 143:86740a56073b 1003 }
AnnaBridge 143:86740a56073b 1004
AnnaBridge 143:86740a56073b 1005 /**
AnnaBridge 143:86740a56073b 1006 * @brief Disable One bit sampling method
AnnaBridge 143:86740a56073b 1007 * @rmtoll CR3 ONEBIT LL_USART_DisableOneBitSamp
AnnaBridge 143:86740a56073b 1008 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1009 * @retval None
AnnaBridge 143:86740a56073b 1010 */
AnnaBridge 143:86740a56073b 1011 __STATIC_INLINE void LL_USART_DisableOneBitSamp(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1012 {
AnnaBridge 143:86740a56073b 1013 CLEAR_BIT(USARTx->CR3, USART_CR3_ONEBIT);
AnnaBridge 143:86740a56073b 1014 }
AnnaBridge 143:86740a56073b 1015
AnnaBridge 143:86740a56073b 1016 /**
AnnaBridge 143:86740a56073b 1017 * @brief Indicate if One bit sampling method is enabled
AnnaBridge 143:86740a56073b 1018 * @rmtoll CR3 ONEBIT LL_USART_IsEnabledOneBitSamp
AnnaBridge 143:86740a56073b 1019 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1020 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 1021 */
AnnaBridge 143:86740a56073b 1022 __STATIC_INLINE uint32_t LL_USART_IsEnabledOneBitSamp(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1023 {
AnnaBridge 143:86740a56073b 1024 return (READ_BIT(USARTx->CR3, USART_CR3_ONEBIT) == (USART_CR3_ONEBIT));
AnnaBridge 143:86740a56073b 1025 }
AnnaBridge 143:86740a56073b 1026 #endif /* USART_OneBitSampling_Feature */
AnnaBridge 143:86740a56073b 1027
AnnaBridge 143:86740a56073b 1028 #if defined(USART_CR1_OVER8)
AnnaBridge 143:86740a56073b 1029 /**
AnnaBridge 143:86740a56073b 1030 * @brief Configure USART BRR register for achieving expected Baud Rate value.
AnnaBridge 143:86740a56073b 1031 * @note Compute and set USARTDIV value in BRR Register (full BRR content)
AnnaBridge 143:86740a56073b 1032 * according to used Peripheral Clock, Oversampling mode, and expected Baud Rate values
AnnaBridge 143:86740a56073b 1033 * @note Peripheral clock and Baud rate values provided as function parameters should be valid
AnnaBridge 143:86740a56073b 1034 * (Baud rate value != 0)
AnnaBridge 143:86740a56073b 1035 * @rmtoll BRR BRR LL_USART_SetBaudRate
AnnaBridge 143:86740a56073b 1036 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1037 * @param PeriphClk Peripheral Clock
AnnaBridge 143:86740a56073b 1038 * @param OverSampling This parameter can be one of the following values:
AnnaBridge 143:86740a56073b 1039 * @arg @ref LL_USART_OVERSAMPLING_16
AnnaBridge 143:86740a56073b 1040 * @arg @ref LL_USART_OVERSAMPLING_8
AnnaBridge 143:86740a56073b 1041 * @param BaudRate Baud Rate
AnnaBridge 143:86740a56073b 1042 * @retval None
AnnaBridge 143:86740a56073b 1043 */
AnnaBridge 143:86740a56073b 1044 __STATIC_INLINE void LL_USART_SetBaudRate(USART_TypeDef *USARTx, uint32_t PeriphClk, uint32_t OverSampling,
AnnaBridge 143:86740a56073b 1045 uint32_t BaudRate)
AnnaBridge 143:86740a56073b 1046 {
AnnaBridge 143:86740a56073b 1047 if (OverSampling == LL_USART_OVERSAMPLING_8)
AnnaBridge 143:86740a56073b 1048 {
AnnaBridge 143:86740a56073b 1049 USARTx->BRR = (uint16_t)(__LL_USART_DIV_SAMPLING8(PeriphClk, BaudRate));
AnnaBridge 143:86740a56073b 1050 }
AnnaBridge 143:86740a56073b 1051 else
AnnaBridge 143:86740a56073b 1052 {
AnnaBridge 143:86740a56073b 1053 USARTx->BRR = (uint16_t)(__LL_USART_DIV_SAMPLING16(PeriphClk, BaudRate));
AnnaBridge 143:86740a56073b 1054 }
AnnaBridge 143:86740a56073b 1055 }
AnnaBridge 143:86740a56073b 1056
AnnaBridge 143:86740a56073b 1057 /**
AnnaBridge 143:86740a56073b 1058 * @brief Return current Baud Rate value, according to USARTDIV present in BRR register
AnnaBridge 143:86740a56073b 1059 * (full BRR content), and to used Peripheral Clock and Oversampling mode values
AnnaBridge 143:86740a56073b 1060 * @note In case of non-initialized or invalid value stored in BRR register, value 0 will be returned.
AnnaBridge 143:86740a56073b 1061 * @rmtoll BRR BRR LL_USART_GetBaudRate
AnnaBridge 143:86740a56073b 1062 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1063 * @param PeriphClk Peripheral Clock
AnnaBridge 143:86740a56073b 1064 * @param OverSampling This parameter can be one of the following values:
AnnaBridge 143:86740a56073b 1065 * @arg @ref LL_USART_OVERSAMPLING_16
AnnaBridge 143:86740a56073b 1066 * @arg @ref LL_USART_OVERSAMPLING_8
AnnaBridge 143:86740a56073b 1067 * @retval Baud Rate
AnnaBridge 143:86740a56073b 1068 */
AnnaBridge 143:86740a56073b 1069 __STATIC_INLINE uint32_t LL_USART_GetBaudRate(USART_TypeDef *USARTx, uint32_t PeriphClk, uint32_t OverSampling)
AnnaBridge 143:86740a56073b 1070 {
AnnaBridge 143:86740a56073b 1071 register uint32_t usartdiv = 0x0U;
AnnaBridge 143:86740a56073b 1072 register uint32_t brrresult = 0x0U;
AnnaBridge 143:86740a56073b 1073
AnnaBridge 143:86740a56073b 1074 usartdiv = USARTx->BRR;
AnnaBridge 143:86740a56073b 1075
AnnaBridge 143:86740a56073b 1076 if (OverSampling == LL_USART_OVERSAMPLING_8)
AnnaBridge 143:86740a56073b 1077 {
AnnaBridge 143:86740a56073b 1078 if ((usartdiv & 0xFFF7U) != 0U)
AnnaBridge 143:86740a56073b 1079 {
AnnaBridge 143:86740a56073b 1080 usartdiv = (uint16_t)((usartdiv & 0xFFF0U) | ((usartdiv & 0x0007U) << 1U)) ;
AnnaBridge 143:86740a56073b 1081 brrresult = (PeriphClk * 2U) / usartdiv;
AnnaBridge 143:86740a56073b 1082 }
AnnaBridge 143:86740a56073b 1083 }
AnnaBridge 143:86740a56073b 1084 else
AnnaBridge 143:86740a56073b 1085 {
AnnaBridge 143:86740a56073b 1086 if ((usartdiv & 0xFFFFU) != 0U)
AnnaBridge 143:86740a56073b 1087 {
AnnaBridge 143:86740a56073b 1088 brrresult = PeriphClk / usartdiv;
AnnaBridge 143:86740a56073b 1089 }
AnnaBridge 143:86740a56073b 1090 }
AnnaBridge 143:86740a56073b 1091 return (brrresult);
AnnaBridge 143:86740a56073b 1092 }
AnnaBridge 143:86740a56073b 1093 #else
AnnaBridge 143:86740a56073b 1094 /**
AnnaBridge 143:86740a56073b 1095 * @brief Configure USART BRR register for achieving expected Baud Rate value.
AnnaBridge 143:86740a56073b 1096 * @note Compute and set USARTDIV value in BRR Register (full BRR content)
AnnaBridge 143:86740a56073b 1097 * according to used Peripheral Clock, Oversampling mode, and expected Baud Rate values
AnnaBridge 143:86740a56073b 1098 * @note Peripheral clock and Baud rate values provided as function parameters should be valid
AnnaBridge 143:86740a56073b 1099 * (Baud rate value != 0)
AnnaBridge 143:86740a56073b 1100 * @rmtoll BRR BRR LL_USART_SetBaudRate
AnnaBridge 143:86740a56073b 1101 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1102 * @param PeriphClk Peripheral Clock
AnnaBridge 143:86740a56073b 1103 * @param BaudRate Baud Rate
AnnaBridge 143:86740a56073b 1104 * @retval None
AnnaBridge 143:86740a56073b 1105 */
AnnaBridge 143:86740a56073b 1106 __STATIC_INLINE void LL_USART_SetBaudRate(USART_TypeDef *USARTx, uint32_t PeriphClk, uint32_t BaudRate)
AnnaBridge 143:86740a56073b 1107 {
AnnaBridge 143:86740a56073b 1108 USARTx->BRR = (uint16_t)(__LL_USART_DIV_SAMPLING16(PeriphClk, BaudRate));
AnnaBridge 143:86740a56073b 1109 }
AnnaBridge 143:86740a56073b 1110
AnnaBridge 143:86740a56073b 1111 /**
AnnaBridge 143:86740a56073b 1112 * @brief Return current Baud Rate value, according to USARTDIV present in BRR register
AnnaBridge 143:86740a56073b 1113 * (full BRR content), and to used Peripheral Clock and Oversampling mode values
AnnaBridge 143:86740a56073b 1114 * @note In case of non-initialized or invalid value stored in BRR register, value 0 will be returned.
AnnaBridge 143:86740a56073b 1115 * @rmtoll BRR BRR LL_USART_GetBaudRate
AnnaBridge 143:86740a56073b 1116 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1117 * @param PeriphClk Peripheral Clock
AnnaBridge 143:86740a56073b 1118 * @retval Baud Rate
AnnaBridge 143:86740a56073b 1119 */
AnnaBridge 143:86740a56073b 1120 __STATIC_INLINE uint32_t LL_USART_GetBaudRate(USART_TypeDef *USARTx, uint32_t PeriphClk)
AnnaBridge 143:86740a56073b 1121 {
AnnaBridge 143:86740a56073b 1122 register uint32_t usartdiv = 0x0U;
AnnaBridge 143:86740a56073b 1123 register uint32_t brrresult = 0x0U;
AnnaBridge 143:86740a56073b 1124
AnnaBridge 143:86740a56073b 1125 usartdiv = USARTx->BRR;
AnnaBridge 143:86740a56073b 1126
AnnaBridge 143:86740a56073b 1127 if ((usartdiv & 0xFFFFU) != 0U)
AnnaBridge 143:86740a56073b 1128 {
AnnaBridge 143:86740a56073b 1129 brrresult = PeriphClk / usartdiv;
AnnaBridge 143:86740a56073b 1130 }
AnnaBridge 143:86740a56073b 1131 return (brrresult);
AnnaBridge 143:86740a56073b 1132 }
AnnaBridge 143:86740a56073b 1133 #endif /* USART_OverSampling_Feature */
AnnaBridge 143:86740a56073b 1134
AnnaBridge 143:86740a56073b 1135 /**
AnnaBridge 143:86740a56073b 1136 * @}
AnnaBridge 143:86740a56073b 1137 */
AnnaBridge 143:86740a56073b 1138
AnnaBridge 143:86740a56073b 1139 /** @defgroup USART_LL_EF_Configuration_IRDA Configuration functions related to Irda feature
AnnaBridge 143:86740a56073b 1140 * @{
AnnaBridge 143:86740a56073b 1141 */
AnnaBridge 143:86740a56073b 1142
AnnaBridge 143:86740a56073b 1143 /**
AnnaBridge 143:86740a56073b 1144 * @brief Enable IrDA mode
AnnaBridge 143:86740a56073b 1145 * @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1146 * IrDA feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1147 * @rmtoll CR3 IREN LL_USART_EnableIrda
AnnaBridge 143:86740a56073b 1148 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1149 * @retval None
AnnaBridge 143:86740a56073b 1150 */
AnnaBridge 143:86740a56073b 1151 __STATIC_INLINE void LL_USART_EnableIrda(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1152 {
AnnaBridge 143:86740a56073b 1153 SET_BIT(USARTx->CR3, USART_CR3_IREN);
AnnaBridge 143:86740a56073b 1154 }
AnnaBridge 143:86740a56073b 1155
AnnaBridge 143:86740a56073b 1156 /**
AnnaBridge 143:86740a56073b 1157 * @brief Disable IrDA mode
AnnaBridge 143:86740a56073b 1158 * @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1159 * IrDA feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1160 * @rmtoll CR3 IREN LL_USART_DisableIrda
AnnaBridge 143:86740a56073b 1161 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1162 * @retval None
AnnaBridge 143:86740a56073b 1163 */
AnnaBridge 143:86740a56073b 1164 __STATIC_INLINE void LL_USART_DisableIrda(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1165 {
AnnaBridge 143:86740a56073b 1166 CLEAR_BIT(USARTx->CR3, USART_CR3_IREN);
AnnaBridge 143:86740a56073b 1167 }
AnnaBridge 143:86740a56073b 1168
AnnaBridge 143:86740a56073b 1169 /**
AnnaBridge 143:86740a56073b 1170 * @brief Indicate if IrDA mode is enabled
AnnaBridge 143:86740a56073b 1171 * @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1172 * IrDA feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1173 * @rmtoll CR3 IREN LL_USART_IsEnabledIrda
AnnaBridge 143:86740a56073b 1174 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1175 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 1176 */
AnnaBridge 143:86740a56073b 1177 __STATIC_INLINE uint32_t LL_USART_IsEnabledIrda(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1178 {
AnnaBridge 143:86740a56073b 1179 return (READ_BIT(USARTx->CR3, USART_CR3_IREN) == (USART_CR3_IREN));
AnnaBridge 143:86740a56073b 1180 }
AnnaBridge 143:86740a56073b 1181
AnnaBridge 143:86740a56073b 1182 /**
AnnaBridge 143:86740a56073b 1183 * @brief Configure IrDA Power Mode (Normal or Low Power)
AnnaBridge 143:86740a56073b 1184 * @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1185 * IrDA feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1186 * @rmtoll CR3 IRLP LL_USART_SetIrdaPowerMode
AnnaBridge 143:86740a56073b 1187 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1188 * @param PowerMode This parameter can be one of the following values:
AnnaBridge 143:86740a56073b 1189 * @arg @ref LL_USART_IRDA_POWER_NORMAL
AnnaBridge 143:86740a56073b 1190 * @arg @ref LL_USART_IRDA_POWER_LOW
AnnaBridge 143:86740a56073b 1191 * @retval None
AnnaBridge 143:86740a56073b 1192 */
AnnaBridge 143:86740a56073b 1193 __STATIC_INLINE void LL_USART_SetIrdaPowerMode(USART_TypeDef *USARTx, uint32_t PowerMode)
AnnaBridge 143:86740a56073b 1194 {
AnnaBridge 143:86740a56073b 1195 MODIFY_REG(USARTx->CR3, USART_CR3_IRLP, PowerMode);
AnnaBridge 143:86740a56073b 1196 }
AnnaBridge 143:86740a56073b 1197
AnnaBridge 143:86740a56073b 1198 /**
AnnaBridge 143:86740a56073b 1199 * @brief Retrieve IrDA Power Mode configuration (Normal or Low Power)
AnnaBridge 143:86740a56073b 1200 * @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1201 * IrDA feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1202 * @rmtoll CR3 IRLP LL_USART_GetIrdaPowerMode
AnnaBridge 143:86740a56073b 1203 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1204 * @retval Returned value can be one of the following values:
AnnaBridge 143:86740a56073b 1205 * @arg @ref LL_USART_IRDA_POWER_NORMAL
AnnaBridge 143:86740a56073b 1206 * @arg @ref LL_USART_PHASE_2EDGE
AnnaBridge 143:86740a56073b 1207 */
AnnaBridge 143:86740a56073b 1208 __STATIC_INLINE uint32_t LL_USART_GetIrdaPowerMode(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1209 {
AnnaBridge 143:86740a56073b 1210 return (uint32_t)(READ_BIT(USARTx->CR3, USART_CR3_IRLP));
AnnaBridge 143:86740a56073b 1211 }
AnnaBridge 143:86740a56073b 1212
AnnaBridge 143:86740a56073b 1213 /**
AnnaBridge 143:86740a56073b 1214 * @brief Set Irda prescaler value, used for dividing the USART clock source
AnnaBridge 143:86740a56073b 1215 * to achieve the Irda Low Power frequency (8 bits value)
AnnaBridge 143:86740a56073b 1216 * @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1217 * IrDA feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1218 * @rmtoll GTPR PSC LL_USART_SetIrdaPrescaler
AnnaBridge 143:86740a56073b 1219 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1220 * @param PrescalerValue Value between Min_Data=0x00 and Max_Data=0xFF
AnnaBridge 143:86740a56073b 1221 * @retval None
AnnaBridge 143:86740a56073b 1222 */
AnnaBridge 143:86740a56073b 1223 __STATIC_INLINE void LL_USART_SetIrdaPrescaler(USART_TypeDef *USARTx, uint32_t PrescalerValue)
AnnaBridge 143:86740a56073b 1224 {
AnnaBridge 143:86740a56073b 1225 MODIFY_REG(USARTx->GTPR, USART_GTPR_PSC, PrescalerValue);
AnnaBridge 143:86740a56073b 1226 }
AnnaBridge 143:86740a56073b 1227
AnnaBridge 143:86740a56073b 1228 /**
AnnaBridge 143:86740a56073b 1229 * @brief Return Irda prescaler value, used for dividing the USART clock source
AnnaBridge 143:86740a56073b 1230 * to achieve the Irda Low Power frequency (8 bits value)
AnnaBridge 143:86740a56073b 1231 * @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1232 * IrDA feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1233 * @rmtoll GTPR PSC LL_USART_GetIrdaPrescaler
AnnaBridge 143:86740a56073b 1234 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1235 * @retval Irda prescaler value (Value between Min_Data=0x00 and Max_Data=0xFF)
AnnaBridge 143:86740a56073b 1236 */
AnnaBridge 143:86740a56073b 1237 __STATIC_INLINE uint32_t LL_USART_GetIrdaPrescaler(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1238 {
AnnaBridge 143:86740a56073b 1239 return (uint32_t)(READ_BIT(USARTx->GTPR, USART_GTPR_PSC));
AnnaBridge 143:86740a56073b 1240 }
AnnaBridge 143:86740a56073b 1241
AnnaBridge 143:86740a56073b 1242 /**
AnnaBridge 143:86740a56073b 1243 * @}
AnnaBridge 143:86740a56073b 1244 */
AnnaBridge 143:86740a56073b 1245
AnnaBridge 143:86740a56073b 1246 /** @defgroup USART_LL_EF_Configuration_Smartcard Configuration functions related to Smartcard feature
AnnaBridge 143:86740a56073b 1247 * @{
AnnaBridge 143:86740a56073b 1248 */
AnnaBridge 143:86740a56073b 1249
AnnaBridge 143:86740a56073b 1250 /**
AnnaBridge 143:86740a56073b 1251 * @brief Enable Smartcard NACK transmission
AnnaBridge 143:86740a56073b 1252 * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1253 * Smartcard feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1254 * @rmtoll CR3 NACK LL_USART_EnableSmartcardNACK
AnnaBridge 143:86740a56073b 1255 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1256 * @retval None
AnnaBridge 143:86740a56073b 1257 */
AnnaBridge 143:86740a56073b 1258 __STATIC_INLINE void LL_USART_EnableSmartcardNACK(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1259 {
AnnaBridge 143:86740a56073b 1260 SET_BIT(USARTx->CR3, USART_CR3_NACK);
AnnaBridge 143:86740a56073b 1261 }
AnnaBridge 143:86740a56073b 1262
AnnaBridge 143:86740a56073b 1263 /**
AnnaBridge 143:86740a56073b 1264 * @brief Disable Smartcard NACK transmission
AnnaBridge 143:86740a56073b 1265 * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1266 * Smartcard feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1267 * @rmtoll CR3 NACK LL_USART_DisableSmartcardNACK
AnnaBridge 143:86740a56073b 1268 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1269 * @retval None
AnnaBridge 143:86740a56073b 1270 */
AnnaBridge 143:86740a56073b 1271 __STATIC_INLINE void LL_USART_DisableSmartcardNACK(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1272 {
AnnaBridge 143:86740a56073b 1273 CLEAR_BIT(USARTx->CR3, USART_CR3_NACK);
AnnaBridge 143:86740a56073b 1274 }
AnnaBridge 143:86740a56073b 1275
AnnaBridge 143:86740a56073b 1276 /**
AnnaBridge 143:86740a56073b 1277 * @brief Indicate if Smartcard NACK transmission is enabled
AnnaBridge 143:86740a56073b 1278 * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1279 * Smartcard feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1280 * @rmtoll CR3 NACK LL_USART_IsEnabledSmartcardNACK
AnnaBridge 143:86740a56073b 1281 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1282 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 1283 */
AnnaBridge 143:86740a56073b 1284 __STATIC_INLINE uint32_t LL_USART_IsEnabledSmartcardNACK(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1285 {
AnnaBridge 143:86740a56073b 1286 return (READ_BIT(USARTx->CR3, USART_CR3_NACK) == (USART_CR3_NACK));
AnnaBridge 143:86740a56073b 1287 }
AnnaBridge 143:86740a56073b 1288
AnnaBridge 143:86740a56073b 1289 /**
AnnaBridge 143:86740a56073b 1290 * @brief Enable Smartcard mode
AnnaBridge 143:86740a56073b 1291 * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1292 * Smartcard feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1293 * @rmtoll CR3 SCEN LL_USART_EnableSmartcard
AnnaBridge 143:86740a56073b 1294 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1295 * @retval None
AnnaBridge 143:86740a56073b 1296 */
AnnaBridge 143:86740a56073b 1297 __STATIC_INLINE void LL_USART_EnableSmartcard(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1298 {
AnnaBridge 143:86740a56073b 1299 SET_BIT(USARTx->CR3, USART_CR3_SCEN);
AnnaBridge 143:86740a56073b 1300 }
AnnaBridge 143:86740a56073b 1301
AnnaBridge 143:86740a56073b 1302 /**
AnnaBridge 143:86740a56073b 1303 * @brief Disable Smartcard mode
AnnaBridge 143:86740a56073b 1304 * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1305 * Smartcard feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1306 * @rmtoll CR3 SCEN LL_USART_DisableSmartcard
AnnaBridge 143:86740a56073b 1307 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1308 * @retval None
AnnaBridge 143:86740a56073b 1309 */
AnnaBridge 143:86740a56073b 1310 __STATIC_INLINE void LL_USART_DisableSmartcard(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1311 {
AnnaBridge 143:86740a56073b 1312 CLEAR_BIT(USARTx->CR3, USART_CR3_SCEN);
AnnaBridge 143:86740a56073b 1313 }
AnnaBridge 143:86740a56073b 1314
AnnaBridge 143:86740a56073b 1315 /**
AnnaBridge 143:86740a56073b 1316 * @brief Indicate if Smartcard mode is enabled
AnnaBridge 143:86740a56073b 1317 * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1318 * Smartcard feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1319 * @rmtoll CR3 SCEN LL_USART_IsEnabledSmartcard
AnnaBridge 143:86740a56073b 1320 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1321 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 1322 */
AnnaBridge 143:86740a56073b 1323 __STATIC_INLINE uint32_t LL_USART_IsEnabledSmartcard(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1324 {
AnnaBridge 143:86740a56073b 1325 return (READ_BIT(USARTx->CR3, USART_CR3_SCEN) == (USART_CR3_SCEN));
AnnaBridge 143:86740a56073b 1326 }
AnnaBridge 143:86740a56073b 1327
AnnaBridge 143:86740a56073b 1328 /**
AnnaBridge 143:86740a56073b 1329 * @brief Set Smartcard prescaler value, used for dividing the USART clock
AnnaBridge 143:86740a56073b 1330 * source to provide the SMARTCARD Clock (5 bits value)
AnnaBridge 143:86740a56073b 1331 * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1332 * Smartcard feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1333 * @rmtoll GTPR PSC LL_USART_SetSmartcardPrescaler
AnnaBridge 143:86740a56073b 1334 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1335 * @param PrescalerValue Value between Min_Data=0 and Max_Data=31
AnnaBridge 143:86740a56073b 1336 * @retval None
AnnaBridge 143:86740a56073b 1337 */
AnnaBridge 143:86740a56073b 1338 __STATIC_INLINE void LL_USART_SetSmartcardPrescaler(USART_TypeDef *USARTx, uint32_t PrescalerValue)
AnnaBridge 143:86740a56073b 1339 {
AnnaBridge 143:86740a56073b 1340 MODIFY_REG(USARTx->GTPR, USART_GTPR_PSC, PrescalerValue);
AnnaBridge 143:86740a56073b 1341 }
AnnaBridge 143:86740a56073b 1342
AnnaBridge 143:86740a56073b 1343 /**
AnnaBridge 143:86740a56073b 1344 * @brief Return Smartcard prescaler value, used for dividing the USART clock
AnnaBridge 143:86740a56073b 1345 * source to provide the SMARTCARD Clock (5 bits value)
AnnaBridge 143:86740a56073b 1346 * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1347 * Smartcard feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1348 * @rmtoll GTPR PSC LL_USART_GetSmartcardPrescaler
AnnaBridge 143:86740a56073b 1349 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1350 * @retval Smartcard prescaler value (Value between Min_Data=0 and Max_Data=31)
AnnaBridge 143:86740a56073b 1351 */
AnnaBridge 143:86740a56073b 1352 __STATIC_INLINE uint32_t LL_USART_GetSmartcardPrescaler(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1353 {
AnnaBridge 143:86740a56073b 1354 return (uint32_t)(READ_BIT(USARTx->GTPR, USART_GTPR_PSC));
AnnaBridge 143:86740a56073b 1355 }
AnnaBridge 143:86740a56073b 1356
AnnaBridge 143:86740a56073b 1357 /**
AnnaBridge 143:86740a56073b 1358 * @brief Set Smartcard Guard time value, expressed in nb of baud clocks periods
AnnaBridge 143:86740a56073b 1359 * (GT[7:0] bits : Guard time value)
AnnaBridge 143:86740a56073b 1360 * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1361 * Smartcard feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1362 * @rmtoll GTPR GT LL_USART_SetSmartcardGuardTime
AnnaBridge 143:86740a56073b 1363 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1364 * @param GuardTime Value between Min_Data=0x00 and Max_Data=0xFF
AnnaBridge 143:86740a56073b 1365 * @retval None
AnnaBridge 143:86740a56073b 1366 */
AnnaBridge 143:86740a56073b 1367 __STATIC_INLINE void LL_USART_SetSmartcardGuardTime(USART_TypeDef *USARTx, uint32_t GuardTime)
AnnaBridge 143:86740a56073b 1368 {
AnnaBridge 143:86740a56073b 1369 MODIFY_REG(USARTx->GTPR, USART_GTPR_GT, GuardTime << USART_POSITION_GTPR_GT);
AnnaBridge 143:86740a56073b 1370 }
AnnaBridge 143:86740a56073b 1371
AnnaBridge 143:86740a56073b 1372 /**
AnnaBridge 143:86740a56073b 1373 * @brief Return Smartcard Guard time value, expressed in nb of baud clocks periods
AnnaBridge 143:86740a56073b 1374 * (GT[7:0] bits : Guard time value)
AnnaBridge 143:86740a56073b 1375 * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1376 * Smartcard feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1377 * @rmtoll GTPR GT LL_USART_GetSmartcardGuardTime
AnnaBridge 143:86740a56073b 1378 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1379 * @retval Smartcard Guard time value (Value between Min_Data=0x00 and Max_Data=0xFF)
AnnaBridge 143:86740a56073b 1380 */
AnnaBridge 143:86740a56073b 1381 __STATIC_INLINE uint32_t LL_USART_GetSmartcardGuardTime(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1382 {
AnnaBridge 143:86740a56073b 1383 return (uint32_t)(READ_BIT(USARTx->GTPR, USART_GTPR_GT) >> USART_POSITION_GTPR_GT);
AnnaBridge 143:86740a56073b 1384 }
AnnaBridge 143:86740a56073b 1385
AnnaBridge 143:86740a56073b 1386 /**
AnnaBridge 143:86740a56073b 1387 * @}
AnnaBridge 143:86740a56073b 1388 */
AnnaBridge 143:86740a56073b 1389
AnnaBridge 143:86740a56073b 1390 /** @defgroup USART_LL_EF_Configuration_HalfDuplex Configuration functions related to Half Duplex feature
AnnaBridge 143:86740a56073b 1391 * @{
AnnaBridge 143:86740a56073b 1392 */
AnnaBridge 143:86740a56073b 1393
AnnaBridge 143:86740a56073b 1394 /**
AnnaBridge 143:86740a56073b 1395 * @brief Enable Single Wire Half-Duplex mode
AnnaBridge 143:86740a56073b 1396 * @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1397 * Half-Duplex mode is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1398 * @rmtoll CR3 HDSEL LL_USART_EnableHalfDuplex
AnnaBridge 143:86740a56073b 1399 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1400 * @retval None
AnnaBridge 143:86740a56073b 1401 */
AnnaBridge 143:86740a56073b 1402 __STATIC_INLINE void LL_USART_EnableHalfDuplex(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1403 {
AnnaBridge 143:86740a56073b 1404 SET_BIT(USARTx->CR3, USART_CR3_HDSEL);
AnnaBridge 143:86740a56073b 1405 }
AnnaBridge 143:86740a56073b 1406
AnnaBridge 143:86740a56073b 1407 /**
AnnaBridge 143:86740a56073b 1408 * @brief Disable Single Wire Half-Duplex mode
AnnaBridge 143:86740a56073b 1409 * @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1410 * Half-Duplex mode is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1411 * @rmtoll CR3 HDSEL LL_USART_DisableHalfDuplex
AnnaBridge 143:86740a56073b 1412 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1413 * @retval None
AnnaBridge 143:86740a56073b 1414 */
AnnaBridge 143:86740a56073b 1415 __STATIC_INLINE void LL_USART_DisableHalfDuplex(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1416 {
AnnaBridge 143:86740a56073b 1417 CLEAR_BIT(USARTx->CR3, USART_CR3_HDSEL);
AnnaBridge 143:86740a56073b 1418 }
AnnaBridge 143:86740a56073b 1419
AnnaBridge 143:86740a56073b 1420 /**
AnnaBridge 143:86740a56073b 1421 * @brief Indicate if Single Wire Half-Duplex mode is enabled
AnnaBridge 143:86740a56073b 1422 * @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1423 * Half-Duplex mode is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1424 * @rmtoll CR3 HDSEL LL_USART_IsEnabledHalfDuplex
AnnaBridge 143:86740a56073b 1425 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1426 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 1427 */
AnnaBridge 143:86740a56073b 1428 __STATIC_INLINE uint32_t LL_USART_IsEnabledHalfDuplex(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1429 {
AnnaBridge 143:86740a56073b 1430 return (READ_BIT(USARTx->CR3, USART_CR3_HDSEL) == (USART_CR3_HDSEL));
AnnaBridge 143:86740a56073b 1431 }
AnnaBridge 143:86740a56073b 1432
AnnaBridge 143:86740a56073b 1433 /**
AnnaBridge 143:86740a56073b 1434 * @}
AnnaBridge 143:86740a56073b 1435 */
AnnaBridge 143:86740a56073b 1436
AnnaBridge 143:86740a56073b 1437 /** @defgroup USART_LL_EF_Configuration_LIN Configuration functions related to LIN feature
AnnaBridge 143:86740a56073b 1438 * @{
AnnaBridge 143:86740a56073b 1439 */
AnnaBridge 143:86740a56073b 1440
AnnaBridge 143:86740a56073b 1441 /**
AnnaBridge 143:86740a56073b 1442 * @brief Set LIN Break Detection Length
AnnaBridge 143:86740a56073b 1443 * @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1444 * LIN feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1445 * @rmtoll CR2 LBDL LL_USART_SetLINBrkDetectionLen
AnnaBridge 143:86740a56073b 1446 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1447 * @param LINBDLength This parameter can be one of the following values:
AnnaBridge 143:86740a56073b 1448 * @arg @ref LL_USART_LINBREAK_DETECT_10B
AnnaBridge 143:86740a56073b 1449 * @arg @ref LL_USART_LINBREAK_DETECT_11B
AnnaBridge 143:86740a56073b 1450 * @retval None
AnnaBridge 143:86740a56073b 1451 */
AnnaBridge 143:86740a56073b 1452 __STATIC_INLINE void LL_USART_SetLINBrkDetectionLen(USART_TypeDef *USARTx, uint32_t LINBDLength)
AnnaBridge 143:86740a56073b 1453 {
AnnaBridge 143:86740a56073b 1454 MODIFY_REG(USARTx->CR2, USART_CR2_LBDL, LINBDLength);
AnnaBridge 143:86740a56073b 1455 }
AnnaBridge 143:86740a56073b 1456
AnnaBridge 143:86740a56073b 1457 /**
AnnaBridge 143:86740a56073b 1458 * @brief Return LIN Break Detection Length
AnnaBridge 143:86740a56073b 1459 * @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1460 * LIN feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1461 * @rmtoll CR2 LBDL LL_USART_GetLINBrkDetectionLen
AnnaBridge 143:86740a56073b 1462 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1463 * @retval Returned value can be one of the following values:
AnnaBridge 143:86740a56073b 1464 * @arg @ref LL_USART_LINBREAK_DETECT_10B
AnnaBridge 143:86740a56073b 1465 * @arg @ref LL_USART_LINBREAK_DETECT_11B
AnnaBridge 143:86740a56073b 1466 */
AnnaBridge 143:86740a56073b 1467 __STATIC_INLINE uint32_t LL_USART_GetLINBrkDetectionLen(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1468 {
AnnaBridge 143:86740a56073b 1469 return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_LBDL));
AnnaBridge 143:86740a56073b 1470 }
AnnaBridge 143:86740a56073b 1471
AnnaBridge 143:86740a56073b 1472 /**
AnnaBridge 143:86740a56073b 1473 * @brief Enable LIN mode
AnnaBridge 143:86740a56073b 1474 * @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1475 * LIN feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1476 * @rmtoll CR2 LINEN LL_USART_EnableLIN
AnnaBridge 143:86740a56073b 1477 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1478 * @retval None
AnnaBridge 143:86740a56073b 1479 */
AnnaBridge 143:86740a56073b 1480 __STATIC_INLINE void LL_USART_EnableLIN(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1481 {
AnnaBridge 143:86740a56073b 1482 SET_BIT(USARTx->CR2, USART_CR2_LINEN);
AnnaBridge 143:86740a56073b 1483 }
AnnaBridge 143:86740a56073b 1484
AnnaBridge 143:86740a56073b 1485 /**
AnnaBridge 143:86740a56073b 1486 * @brief Disable LIN mode
AnnaBridge 143:86740a56073b 1487 * @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1488 * LIN feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1489 * @rmtoll CR2 LINEN LL_USART_DisableLIN
AnnaBridge 143:86740a56073b 1490 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1491 * @retval None
AnnaBridge 143:86740a56073b 1492 */
AnnaBridge 143:86740a56073b 1493 __STATIC_INLINE void LL_USART_DisableLIN(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1494 {
AnnaBridge 143:86740a56073b 1495 CLEAR_BIT(USARTx->CR2, USART_CR2_LINEN);
AnnaBridge 143:86740a56073b 1496 }
AnnaBridge 143:86740a56073b 1497
AnnaBridge 143:86740a56073b 1498 /**
AnnaBridge 143:86740a56073b 1499 * @brief Indicate if LIN mode is enabled
AnnaBridge 143:86740a56073b 1500 * @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1501 * LIN feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1502 * @rmtoll CR2 LINEN LL_USART_IsEnabledLIN
AnnaBridge 143:86740a56073b 1503 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1504 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 1505 */
AnnaBridge 143:86740a56073b 1506 __STATIC_INLINE uint32_t LL_USART_IsEnabledLIN(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1507 {
AnnaBridge 143:86740a56073b 1508 return (READ_BIT(USARTx->CR2, USART_CR2_LINEN) == (USART_CR2_LINEN));
AnnaBridge 143:86740a56073b 1509 }
AnnaBridge 143:86740a56073b 1510
AnnaBridge 143:86740a56073b 1511 /**
AnnaBridge 143:86740a56073b 1512 * @}
AnnaBridge 143:86740a56073b 1513 */
AnnaBridge 143:86740a56073b 1514
AnnaBridge 143:86740a56073b 1515 /** @defgroup USART_LL_EF_AdvancedConfiguration Advanced Configurations services
AnnaBridge 143:86740a56073b 1516 * @{
AnnaBridge 143:86740a56073b 1517 */
AnnaBridge 143:86740a56073b 1518
AnnaBridge 143:86740a56073b 1519 /**
AnnaBridge 143:86740a56073b 1520 * @brief Perform basic configuration of USART for enabling use in Asynchronous Mode (UART)
AnnaBridge 143:86740a56073b 1521 * @note In UART mode, the following bits must be kept cleared:
AnnaBridge 143:86740a56073b 1522 * - LINEN bit in the USART_CR2 register,
AnnaBridge 143:86740a56073b 1523 * - CLKEN bit in the USART_CR2 register,
AnnaBridge 143:86740a56073b 1524 * - SCEN bit in the USART_CR3 register,
AnnaBridge 143:86740a56073b 1525 * - IREN bit in the USART_CR3 register,
AnnaBridge 143:86740a56073b 1526 * - HDSEL bit in the USART_CR3 register.
AnnaBridge 143:86740a56073b 1527 * @note Call of this function is equivalent to following function call sequence :
AnnaBridge 143:86740a56073b 1528 * - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
AnnaBridge 143:86740a56073b 1529 * - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
AnnaBridge 143:86740a56073b 1530 * - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
AnnaBridge 143:86740a56073b 1531 * - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
AnnaBridge 143:86740a56073b 1532 * - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
AnnaBridge 143:86740a56073b 1533 * @note Other remaining configurations items related to Asynchronous Mode
AnnaBridge 143:86740a56073b 1534 * (as Baud Rate, Word length, Parity, ...) should be set using
AnnaBridge 143:86740a56073b 1535 * dedicated functions
AnnaBridge 143:86740a56073b 1536 * @rmtoll CR2 LINEN LL_USART_ConfigAsyncMode\n
AnnaBridge 143:86740a56073b 1537 * CR2 CLKEN LL_USART_ConfigAsyncMode\n
AnnaBridge 143:86740a56073b 1538 * CR3 SCEN LL_USART_ConfigAsyncMode\n
AnnaBridge 143:86740a56073b 1539 * CR3 IREN LL_USART_ConfigAsyncMode\n
AnnaBridge 143:86740a56073b 1540 * CR3 HDSEL LL_USART_ConfigAsyncMode
AnnaBridge 143:86740a56073b 1541 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1542 * @retval None
AnnaBridge 143:86740a56073b 1543 */
AnnaBridge 143:86740a56073b 1544 __STATIC_INLINE void LL_USART_ConfigAsyncMode(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1545 {
AnnaBridge 143:86740a56073b 1546 /* In Asynchronous mode, the following bits must be kept cleared:
AnnaBridge 143:86740a56073b 1547 - LINEN, CLKEN bits in the USART_CR2 register,
AnnaBridge 143:86740a56073b 1548 - SCEN, IREN and HDSEL bits in the USART_CR3 register.*/
AnnaBridge 143:86740a56073b 1549 CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN | USART_CR2_CLKEN));
AnnaBridge 143:86740a56073b 1550 CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN | USART_CR3_IREN | USART_CR3_HDSEL));
AnnaBridge 143:86740a56073b 1551 }
AnnaBridge 143:86740a56073b 1552
AnnaBridge 143:86740a56073b 1553 /**
AnnaBridge 143:86740a56073b 1554 * @brief Perform basic configuration of USART for enabling use in Synchronous Mode
AnnaBridge 143:86740a56073b 1555 * @note In Synchronous mode, the following bits must be kept cleared:
AnnaBridge 143:86740a56073b 1556 * - LINEN bit in the USART_CR2 register,
AnnaBridge 143:86740a56073b 1557 * - SCEN bit in the USART_CR3 register,
AnnaBridge 143:86740a56073b 1558 * - IREN bit in the USART_CR3 register,
AnnaBridge 143:86740a56073b 1559 * - HDSEL bit in the USART_CR3 register.
AnnaBridge 143:86740a56073b 1560 * This function also sets the USART in Synchronous mode.
AnnaBridge 143:86740a56073b 1561 * @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1562 * Synchronous mode is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1563 * @note Call of this function is equivalent to following function call sequence :
AnnaBridge 143:86740a56073b 1564 * - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
AnnaBridge 143:86740a56073b 1565 * - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
AnnaBridge 143:86740a56073b 1566 * - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
AnnaBridge 143:86740a56073b 1567 * - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
AnnaBridge 143:86740a56073b 1568 * - Set CLKEN in CR2 using @ref LL_USART_EnableSCLKOutput() function
AnnaBridge 143:86740a56073b 1569 * @note Other remaining configurations items related to Synchronous Mode
AnnaBridge 143:86740a56073b 1570 * (as Baud Rate, Word length, Parity, Clock Polarity, ...) should be set using
AnnaBridge 143:86740a56073b 1571 * dedicated functions
AnnaBridge 143:86740a56073b 1572 * @rmtoll CR2 LINEN LL_USART_ConfigSyncMode\n
AnnaBridge 143:86740a56073b 1573 * CR2 CLKEN LL_USART_ConfigSyncMode\n
AnnaBridge 143:86740a56073b 1574 * CR3 SCEN LL_USART_ConfigSyncMode\n
AnnaBridge 143:86740a56073b 1575 * CR3 IREN LL_USART_ConfigSyncMode\n
AnnaBridge 143:86740a56073b 1576 * CR3 HDSEL LL_USART_ConfigSyncMode
AnnaBridge 143:86740a56073b 1577 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1578 * @retval None
AnnaBridge 143:86740a56073b 1579 */
AnnaBridge 143:86740a56073b 1580 __STATIC_INLINE void LL_USART_ConfigSyncMode(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1581 {
AnnaBridge 143:86740a56073b 1582 /* In Synchronous mode, the following bits must be kept cleared:
AnnaBridge 143:86740a56073b 1583 - LINEN bit in the USART_CR2 register,
AnnaBridge 143:86740a56073b 1584 - SCEN, IREN and HDSEL bits in the USART_CR3 register.*/
AnnaBridge 143:86740a56073b 1585 CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN));
AnnaBridge 143:86740a56073b 1586 CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN | USART_CR3_IREN | USART_CR3_HDSEL));
AnnaBridge 143:86740a56073b 1587 /* set the UART/USART in Synchronous mode */
AnnaBridge 143:86740a56073b 1588 SET_BIT(USARTx->CR2, USART_CR2_CLKEN);
AnnaBridge 143:86740a56073b 1589 }
AnnaBridge 143:86740a56073b 1590
AnnaBridge 143:86740a56073b 1591 /**
AnnaBridge 143:86740a56073b 1592 * @brief Perform basic configuration of USART for enabling use in LIN Mode
AnnaBridge 143:86740a56073b 1593 * @note In LIN mode, the following bits must be kept cleared:
AnnaBridge 143:86740a56073b 1594 * - STOP and CLKEN bits in the USART_CR2 register,
AnnaBridge 143:86740a56073b 1595 * - SCEN bit in the USART_CR3 register,
AnnaBridge 143:86740a56073b 1596 * - IREN bit in the USART_CR3 register,
AnnaBridge 143:86740a56073b 1597 * - HDSEL bit in the USART_CR3 register.
AnnaBridge 143:86740a56073b 1598 * This function also set the UART/USART in LIN mode.
AnnaBridge 143:86740a56073b 1599 * @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1600 * LIN feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1601 * @note Call of this function is equivalent to following function call sequence :
AnnaBridge 143:86740a56073b 1602 * - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
AnnaBridge 143:86740a56073b 1603 * - Clear STOP in CR2 using @ref LL_USART_SetStopBitsLength() function
AnnaBridge 143:86740a56073b 1604 * - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
AnnaBridge 143:86740a56073b 1605 * - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
AnnaBridge 143:86740a56073b 1606 * - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
AnnaBridge 143:86740a56073b 1607 * - Set LINEN in CR2 using @ref LL_USART_EnableLIN() function
AnnaBridge 143:86740a56073b 1608 * @note Other remaining configurations items related to LIN Mode
AnnaBridge 143:86740a56073b 1609 * (as Baud Rate, Word length, LIN Break Detection Length, ...) should be set using
AnnaBridge 143:86740a56073b 1610 * dedicated functions
AnnaBridge 143:86740a56073b 1611 * @rmtoll CR2 CLKEN LL_USART_ConfigLINMode\n
AnnaBridge 143:86740a56073b 1612 * CR2 STOP LL_USART_ConfigLINMode\n
AnnaBridge 143:86740a56073b 1613 * CR2 LINEN LL_USART_ConfigLINMode\n
AnnaBridge 143:86740a56073b 1614 * CR3 IREN LL_USART_ConfigLINMode\n
AnnaBridge 143:86740a56073b 1615 * CR3 SCEN LL_USART_ConfigLINMode\n
AnnaBridge 143:86740a56073b 1616 * CR3 HDSEL LL_USART_ConfigLINMode
AnnaBridge 143:86740a56073b 1617 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1618 * @retval None
AnnaBridge 143:86740a56073b 1619 */
AnnaBridge 143:86740a56073b 1620 __STATIC_INLINE void LL_USART_ConfigLINMode(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1621 {
AnnaBridge 143:86740a56073b 1622 /* In LIN mode, the following bits must be kept cleared:
AnnaBridge 143:86740a56073b 1623 - STOP and CLKEN bits in the USART_CR2 register,
AnnaBridge 143:86740a56073b 1624 - IREN, SCEN and HDSEL bits in the USART_CR3 register.*/
AnnaBridge 143:86740a56073b 1625 CLEAR_BIT(USARTx->CR2, (USART_CR2_CLKEN | USART_CR2_STOP));
AnnaBridge 143:86740a56073b 1626 CLEAR_BIT(USARTx->CR3, (USART_CR3_IREN | USART_CR3_SCEN | USART_CR3_HDSEL));
AnnaBridge 143:86740a56073b 1627 /* Set the UART/USART in LIN mode */
AnnaBridge 143:86740a56073b 1628 SET_BIT(USARTx->CR2, USART_CR2_LINEN);
AnnaBridge 143:86740a56073b 1629 }
AnnaBridge 143:86740a56073b 1630
AnnaBridge 143:86740a56073b 1631 /**
AnnaBridge 143:86740a56073b 1632 * @brief Perform basic configuration of USART for enabling use in Half Duplex Mode
AnnaBridge 143:86740a56073b 1633 * @note In Half Duplex mode, the following bits must be kept cleared:
AnnaBridge 143:86740a56073b 1634 * - LINEN bit in the USART_CR2 register,
AnnaBridge 143:86740a56073b 1635 * - CLKEN bit in the USART_CR2 register,
AnnaBridge 143:86740a56073b 1636 * - SCEN bit in the USART_CR3 register,
AnnaBridge 143:86740a56073b 1637 * - IREN bit in the USART_CR3 register,
AnnaBridge 143:86740a56073b 1638 * This function also sets the UART/USART in Half Duplex mode.
AnnaBridge 143:86740a56073b 1639 * @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1640 * Half-Duplex mode is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1641 * @note Call of this function is equivalent to following function call sequence :
AnnaBridge 143:86740a56073b 1642 * - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
AnnaBridge 143:86740a56073b 1643 * - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
AnnaBridge 143:86740a56073b 1644 * - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
AnnaBridge 143:86740a56073b 1645 * - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
AnnaBridge 143:86740a56073b 1646 * - Set HDSEL in CR3 using @ref LL_USART_EnableHalfDuplex() function
AnnaBridge 143:86740a56073b 1647 * @note Other remaining configurations items related to Half Duplex Mode
AnnaBridge 143:86740a56073b 1648 * (as Baud Rate, Word length, Parity, ...) should be set using
AnnaBridge 143:86740a56073b 1649 * dedicated functions
AnnaBridge 143:86740a56073b 1650 * @rmtoll CR2 LINEN LL_USART_ConfigHalfDuplexMode\n
AnnaBridge 143:86740a56073b 1651 * CR2 CLKEN LL_USART_ConfigHalfDuplexMode\n
AnnaBridge 143:86740a56073b 1652 * CR3 HDSEL LL_USART_ConfigHalfDuplexMode\n
AnnaBridge 143:86740a56073b 1653 * CR3 SCEN LL_USART_ConfigHalfDuplexMode\n
AnnaBridge 143:86740a56073b 1654 * CR3 IREN LL_USART_ConfigHalfDuplexMode
AnnaBridge 143:86740a56073b 1655 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1656 * @retval None
AnnaBridge 143:86740a56073b 1657 */
AnnaBridge 143:86740a56073b 1658 __STATIC_INLINE void LL_USART_ConfigHalfDuplexMode(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1659 {
AnnaBridge 143:86740a56073b 1660 /* In Half Duplex mode, the following bits must be kept cleared:
AnnaBridge 143:86740a56073b 1661 - LINEN and CLKEN bits in the USART_CR2 register,
AnnaBridge 143:86740a56073b 1662 - SCEN and IREN bits in the USART_CR3 register.*/
AnnaBridge 143:86740a56073b 1663 CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN | USART_CR2_CLKEN));
AnnaBridge 143:86740a56073b 1664 CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN | USART_CR3_IREN));
AnnaBridge 143:86740a56073b 1665 /* set the UART/USART in Half Duplex mode */
AnnaBridge 143:86740a56073b 1666 SET_BIT(USARTx->CR3, USART_CR3_HDSEL);
AnnaBridge 143:86740a56073b 1667 }
AnnaBridge 143:86740a56073b 1668
AnnaBridge 143:86740a56073b 1669 /**
AnnaBridge 143:86740a56073b 1670 * @brief Perform basic configuration of USART for enabling use in Smartcard Mode
AnnaBridge 143:86740a56073b 1671 * @note In Smartcard mode, the following bits must be kept cleared:
AnnaBridge 143:86740a56073b 1672 * - LINEN bit in the USART_CR2 register,
AnnaBridge 143:86740a56073b 1673 * - IREN bit in the USART_CR3 register,
AnnaBridge 143:86740a56073b 1674 * - HDSEL bit in the USART_CR3 register.
AnnaBridge 143:86740a56073b 1675 * This function also configures Stop bits to 1.5 bits and
AnnaBridge 143:86740a56073b 1676 * sets the USART in Smartcard mode (SCEN bit).
AnnaBridge 143:86740a56073b 1677 * Clock Output is also enabled (CLKEN).
AnnaBridge 143:86740a56073b 1678 * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1679 * Smartcard feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1680 * @note Call of this function is equivalent to following function call sequence :
AnnaBridge 143:86740a56073b 1681 * - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
AnnaBridge 143:86740a56073b 1682 * - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
AnnaBridge 143:86740a56073b 1683 * - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
AnnaBridge 143:86740a56073b 1684 * - Configure STOP in CR2 using @ref LL_USART_SetStopBitsLength() function
AnnaBridge 143:86740a56073b 1685 * - Set CLKEN in CR2 using @ref LL_USART_EnableSCLKOutput() function
AnnaBridge 143:86740a56073b 1686 * - Set SCEN in CR3 using @ref LL_USART_EnableSmartcard() function
AnnaBridge 143:86740a56073b 1687 * @note Other remaining configurations items related to Smartcard Mode
AnnaBridge 143:86740a56073b 1688 * (as Baud Rate, Word length, Parity, ...) should be set using
AnnaBridge 143:86740a56073b 1689 * dedicated functions
AnnaBridge 143:86740a56073b 1690 * @rmtoll CR2 LINEN LL_USART_ConfigSmartcardMode\n
AnnaBridge 143:86740a56073b 1691 * CR2 STOP LL_USART_ConfigSmartcardMode\n
AnnaBridge 143:86740a56073b 1692 * CR2 CLKEN LL_USART_ConfigSmartcardMode\n
AnnaBridge 143:86740a56073b 1693 * CR3 HDSEL LL_USART_ConfigSmartcardMode\n
AnnaBridge 143:86740a56073b 1694 * CR3 SCEN LL_USART_ConfigSmartcardMode
AnnaBridge 143:86740a56073b 1695 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1696 * @retval None
AnnaBridge 143:86740a56073b 1697 */
AnnaBridge 143:86740a56073b 1698 __STATIC_INLINE void LL_USART_ConfigSmartcardMode(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1699 {
AnnaBridge 143:86740a56073b 1700 /* In Smartcard mode, the following bits must be kept cleared:
AnnaBridge 143:86740a56073b 1701 - LINEN bit in the USART_CR2 register,
AnnaBridge 143:86740a56073b 1702 - IREN and HDSEL bits in the USART_CR3 register.*/
AnnaBridge 143:86740a56073b 1703 CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN));
AnnaBridge 143:86740a56073b 1704 CLEAR_BIT(USARTx->CR3, (USART_CR3_IREN | USART_CR3_HDSEL));
AnnaBridge 143:86740a56073b 1705 /* Configure Stop bits to 1.5 bits */
AnnaBridge 143:86740a56073b 1706 /* Synchronous mode is activated by default */
AnnaBridge 143:86740a56073b 1707 SET_BIT(USARTx->CR2, (USART_CR2_STOP_0 | USART_CR2_STOP_1 | USART_CR2_CLKEN));
AnnaBridge 143:86740a56073b 1708 /* set the UART/USART in Smartcard mode */
AnnaBridge 143:86740a56073b 1709 SET_BIT(USARTx->CR3, USART_CR3_SCEN);
AnnaBridge 143:86740a56073b 1710 }
AnnaBridge 143:86740a56073b 1711
AnnaBridge 143:86740a56073b 1712 /**
AnnaBridge 143:86740a56073b 1713 * @brief Perform basic configuration of USART for enabling use in Irda Mode
AnnaBridge 143:86740a56073b 1714 * @note In IRDA mode, the following bits must be kept cleared:
AnnaBridge 143:86740a56073b 1715 * - LINEN bit in the USART_CR2 register,
AnnaBridge 143:86740a56073b 1716 * - STOP and CLKEN bits in the USART_CR2 register,
AnnaBridge 143:86740a56073b 1717 * - SCEN bit in the USART_CR3 register,
AnnaBridge 143:86740a56073b 1718 * - HDSEL bit in the USART_CR3 register.
AnnaBridge 143:86740a56073b 1719 * This function also sets the UART/USART in IRDA mode (IREN bit).
AnnaBridge 143:86740a56073b 1720 * @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1721 * IrDA feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1722 * @note Call of this function is equivalent to following function call sequence :
AnnaBridge 143:86740a56073b 1723 * - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
AnnaBridge 143:86740a56073b 1724 * - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
AnnaBridge 143:86740a56073b 1725 * - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
AnnaBridge 143:86740a56073b 1726 * - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
AnnaBridge 143:86740a56073b 1727 * - Configure STOP in CR2 using @ref LL_USART_SetStopBitsLength() function
AnnaBridge 143:86740a56073b 1728 * - Set IREN in CR3 using @ref LL_USART_EnableIrda() function
AnnaBridge 143:86740a56073b 1729 * @note Other remaining configurations items related to Irda Mode
AnnaBridge 143:86740a56073b 1730 * (as Baud Rate, Word length, Power mode, ...) should be set using
AnnaBridge 143:86740a56073b 1731 * dedicated functions
AnnaBridge 143:86740a56073b 1732 * @rmtoll CR2 LINEN LL_USART_ConfigIrdaMode\n
AnnaBridge 143:86740a56073b 1733 * CR2 CLKEN LL_USART_ConfigIrdaMode\n
AnnaBridge 143:86740a56073b 1734 * CR2 STOP LL_USART_ConfigIrdaMode\n
AnnaBridge 143:86740a56073b 1735 * CR3 SCEN LL_USART_ConfigIrdaMode\n
AnnaBridge 143:86740a56073b 1736 * CR3 HDSEL LL_USART_ConfigIrdaMode\n
AnnaBridge 143:86740a56073b 1737 * CR3 IREN LL_USART_ConfigIrdaMode
AnnaBridge 143:86740a56073b 1738 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1739 * @retval None
AnnaBridge 143:86740a56073b 1740 */
AnnaBridge 143:86740a56073b 1741 __STATIC_INLINE void LL_USART_ConfigIrdaMode(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1742 {
AnnaBridge 143:86740a56073b 1743 /* In IRDA mode, the following bits must be kept cleared:
AnnaBridge 143:86740a56073b 1744 - LINEN, STOP and CLKEN bits in the USART_CR2 register,
AnnaBridge 143:86740a56073b 1745 - SCEN and HDSEL bits in the USART_CR3 register.*/
AnnaBridge 143:86740a56073b 1746 CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN | USART_CR2_CLKEN | USART_CR2_STOP));
AnnaBridge 143:86740a56073b 1747 CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN | USART_CR3_HDSEL));
AnnaBridge 143:86740a56073b 1748 /* set the UART/USART in IRDA mode */
AnnaBridge 143:86740a56073b 1749 SET_BIT(USARTx->CR3, USART_CR3_IREN);
AnnaBridge 143:86740a56073b 1750 }
AnnaBridge 143:86740a56073b 1751
AnnaBridge 143:86740a56073b 1752 /**
AnnaBridge 143:86740a56073b 1753 * @brief Perform basic configuration of USART for enabling use in Multi processor Mode
AnnaBridge 143:86740a56073b 1754 * (several USARTs connected in a network, one of the USARTs can be the master,
AnnaBridge 143:86740a56073b 1755 * its TX output connected to the RX inputs of the other slaves USARTs).
AnnaBridge 143:86740a56073b 1756 * @note In MultiProcessor mode, the following bits must be kept cleared:
AnnaBridge 143:86740a56073b 1757 * - LINEN bit in the USART_CR2 register,
AnnaBridge 143:86740a56073b 1758 * - CLKEN bit in the USART_CR2 register,
AnnaBridge 143:86740a56073b 1759 * - SCEN bit in the USART_CR3 register,
AnnaBridge 143:86740a56073b 1760 * - IREN bit in the USART_CR3 register,
AnnaBridge 143:86740a56073b 1761 * - HDSEL bit in the USART_CR3 register.
AnnaBridge 143:86740a56073b 1762 * @note Call of this function is equivalent to following function call sequence :
AnnaBridge 143:86740a56073b 1763 * - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
AnnaBridge 143:86740a56073b 1764 * - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
AnnaBridge 143:86740a56073b 1765 * - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
AnnaBridge 143:86740a56073b 1766 * - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
AnnaBridge 143:86740a56073b 1767 * - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
AnnaBridge 143:86740a56073b 1768 * @note Other remaining configurations items related to Multi processor Mode
AnnaBridge 143:86740a56073b 1769 * (as Baud Rate, Wake Up Method, Node address, ...) should be set using
AnnaBridge 143:86740a56073b 1770 * dedicated functions
AnnaBridge 143:86740a56073b 1771 * @rmtoll CR2 LINEN LL_USART_ConfigMultiProcessMode\n
AnnaBridge 143:86740a56073b 1772 * CR2 CLKEN LL_USART_ConfigMultiProcessMode\n
AnnaBridge 143:86740a56073b 1773 * CR3 SCEN LL_USART_ConfigMultiProcessMode\n
AnnaBridge 143:86740a56073b 1774 * CR3 HDSEL LL_USART_ConfigMultiProcessMode\n
AnnaBridge 143:86740a56073b 1775 * CR3 IREN LL_USART_ConfigMultiProcessMode
AnnaBridge 143:86740a56073b 1776 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1777 * @retval None
AnnaBridge 143:86740a56073b 1778 */
AnnaBridge 143:86740a56073b 1779 __STATIC_INLINE void LL_USART_ConfigMultiProcessMode(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1780 {
AnnaBridge 143:86740a56073b 1781 /* In Multi Processor mode, the following bits must be kept cleared:
AnnaBridge 143:86740a56073b 1782 - LINEN and CLKEN bits in the USART_CR2 register,
AnnaBridge 143:86740a56073b 1783 - IREN, SCEN and HDSEL bits in the USART_CR3 register.*/
AnnaBridge 143:86740a56073b 1784 CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN | USART_CR2_CLKEN));
AnnaBridge 143:86740a56073b 1785 CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN | USART_CR3_HDSEL | USART_CR3_IREN));
AnnaBridge 143:86740a56073b 1786 }
AnnaBridge 143:86740a56073b 1787
AnnaBridge 143:86740a56073b 1788 /**
AnnaBridge 143:86740a56073b 1789 * @}
AnnaBridge 143:86740a56073b 1790 */
AnnaBridge 143:86740a56073b 1791
AnnaBridge 143:86740a56073b 1792 /** @defgroup USART_LL_EF_FLAG_Management FLAG_Management
AnnaBridge 143:86740a56073b 1793 * @{
AnnaBridge 143:86740a56073b 1794 */
AnnaBridge 143:86740a56073b 1795
AnnaBridge 143:86740a56073b 1796 /**
AnnaBridge 143:86740a56073b 1797 * @brief Check if the USART Parity Error Flag is set or not
AnnaBridge 143:86740a56073b 1798 * @rmtoll SR PE LL_USART_IsActiveFlag_PE
AnnaBridge 143:86740a56073b 1799 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1800 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 1801 */
AnnaBridge 143:86740a56073b 1802 __STATIC_INLINE uint32_t LL_USART_IsActiveFlag_PE(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1803 {
AnnaBridge 143:86740a56073b 1804 return (READ_BIT(USARTx->SR, USART_SR_PE) == (USART_SR_PE));
AnnaBridge 143:86740a56073b 1805 }
AnnaBridge 143:86740a56073b 1806
AnnaBridge 143:86740a56073b 1807 /**
AnnaBridge 143:86740a56073b 1808 * @brief Check if the USART Framing Error Flag is set or not
AnnaBridge 143:86740a56073b 1809 * @rmtoll SR FE LL_USART_IsActiveFlag_FE
AnnaBridge 143:86740a56073b 1810 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1811 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 1812 */
AnnaBridge 143:86740a56073b 1813 __STATIC_INLINE uint32_t LL_USART_IsActiveFlag_FE(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1814 {
AnnaBridge 143:86740a56073b 1815 return (READ_BIT(USARTx->SR, USART_SR_FE) == (USART_SR_FE));
AnnaBridge 143:86740a56073b 1816 }
AnnaBridge 143:86740a56073b 1817
AnnaBridge 143:86740a56073b 1818 /**
AnnaBridge 143:86740a56073b 1819 * @brief Check if the USART Noise error detected Flag is set or not
AnnaBridge 143:86740a56073b 1820 * @rmtoll SR NF LL_USART_IsActiveFlag_NE
AnnaBridge 143:86740a56073b 1821 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1822 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 1823 */
AnnaBridge 143:86740a56073b 1824 __STATIC_INLINE uint32_t LL_USART_IsActiveFlag_NE(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1825 {
AnnaBridge 143:86740a56073b 1826 return (READ_BIT(USARTx->SR, USART_SR_NE) == (USART_SR_NE));
AnnaBridge 143:86740a56073b 1827 }
AnnaBridge 143:86740a56073b 1828
AnnaBridge 143:86740a56073b 1829 /**
AnnaBridge 143:86740a56073b 1830 * @brief Check if the USART OverRun Error Flag is set or not
AnnaBridge 143:86740a56073b 1831 * @rmtoll SR ORE LL_USART_IsActiveFlag_ORE
AnnaBridge 143:86740a56073b 1832 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1833 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 1834 */
AnnaBridge 143:86740a56073b 1835 __STATIC_INLINE uint32_t LL_USART_IsActiveFlag_ORE(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1836 {
AnnaBridge 143:86740a56073b 1837 return (READ_BIT(USARTx->SR, USART_SR_ORE) == (USART_SR_ORE));
AnnaBridge 143:86740a56073b 1838 }
AnnaBridge 143:86740a56073b 1839
AnnaBridge 143:86740a56073b 1840 /**
AnnaBridge 143:86740a56073b 1841 * @brief Check if the USART IDLE line detected Flag is set or not
AnnaBridge 143:86740a56073b 1842 * @rmtoll SR IDLE LL_USART_IsActiveFlag_IDLE
AnnaBridge 143:86740a56073b 1843 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1844 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 1845 */
AnnaBridge 143:86740a56073b 1846 __STATIC_INLINE uint32_t LL_USART_IsActiveFlag_IDLE(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1847 {
AnnaBridge 143:86740a56073b 1848 return (READ_BIT(USARTx->SR, USART_SR_IDLE) == (USART_SR_IDLE));
AnnaBridge 143:86740a56073b 1849 }
AnnaBridge 143:86740a56073b 1850
AnnaBridge 143:86740a56073b 1851 /**
AnnaBridge 143:86740a56073b 1852 * @brief Check if the USART Read Data Register Not Empty Flag is set or not
AnnaBridge 143:86740a56073b 1853 * @rmtoll SR RXNE LL_USART_IsActiveFlag_RXNE
AnnaBridge 143:86740a56073b 1854 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1855 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 1856 */
AnnaBridge 143:86740a56073b 1857 __STATIC_INLINE uint32_t LL_USART_IsActiveFlag_RXNE(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1858 {
AnnaBridge 143:86740a56073b 1859 return (READ_BIT(USARTx->SR, USART_SR_RXNE) == (USART_SR_RXNE));
AnnaBridge 143:86740a56073b 1860 }
AnnaBridge 143:86740a56073b 1861
AnnaBridge 143:86740a56073b 1862 /**
AnnaBridge 143:86740a56073b 1863 * @brief Check if the USART Transmission Complete Flag is set or not
AnnaBridge 143:86740a56073b 1864 * @rmtoll SR TC LL_USART_IsActiveFlag_TC
AnnaBridge 143:86740a56073b 1865 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1866 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 1867 */
AnnaBridge 143:86740a56073b 1868 __STATIC_INLINE uint32_t LL_USART_IsActiveFlag_TC(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1869 {
AnnaBridge 143:86740a56073b 1870 return (READ_BIT(USARTx->SR, USART_SR_TC) == (USART_SR_TC));
AnnaBridge 143:86740a56073b 1871 }
AnnaBridge 143:86740a56073b 1872
AnnaBridge 143:86740a56073b 1873 /**
AnnaBridge 143:86740a56073b 1874 * @brief Check if the USART Transmit Data Register Empty Flag is set or not
AnnaBridge 143:86740a56073b 1875 * @rmtoll SR TXE LL_USART_IsActiveFlag_TXE
AnnaBridge 143:86740a56073b 1876 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1877 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 1878 */
AnnaBridge 143:86740a56073b 1879 __STATIC_INLINE uint32_t LL_USART_IsActiveFlag_TXE(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1880 {
AnnaBridge 143:86740a56073b 1881 return (READ_BIT(USARTx->SR, USART_SR_TXE) == (USART_SR_TXE));
AnnaBridge 143:86740a56073b 1882 }
AnnaBridge 143:86740a56073b 1883
AnnaBridge 143:86740a56073b 1884 /**
AnnaBridge 143:86740a56073b 1885 * @brief Check if the USART LIN Break Detection Flag is set or not
AnnaBridge 143:86740a56073b 1886 * @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1887 * LIN feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1888 * @rmtoll SR LBD LL_USART_IsActiveFlag_LBD
AnnaBridge 143:86740a56073b 1889 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1890 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 1891 */
AnnaBridge 143:86740a56073b 1892 __STATIC_INLINE uint32_t LL_USART_IsActiveFlag_LBD(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1893 {
AnnaBridge 143:86740a56073b 1894 return (READ_BIT(USARTx->SR, USART_SR_LBD) == (USART_SR_LBD));
AnnaBridge 143:86740a56073b 1895 }
AnnaBridge 143:86740a56073b 1896
AnnaBridge 143:86740a56073b 1897 /**
AnnaBridge 143:86740a56073b 1898 * @brief Check if the USART CTS Flag is set or not
AnnaBridge 143:86740a56073b 1899 * @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 1900 * Hardware Flow control feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 1901 * @rmtoll SR CTS LL_USART_IsActiveFlag_nCTS
AnnaBridge 143:86740a56073b 1902 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1903 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 1904 */
AnnaBridge 143:86740a56073b 1905 __STATIC_INLINE uint32_t LL_USART_IsActiveFlag_nCTS(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1906 {
AnnaBridge 143:86740a56073b 1907 return (READ_BIT(USARTx->SR, USART_SR_CTS) == (USART_SR_CTS));
AnnaBridge 143:86740a56073b 1908 }
AnnaBridge 143:86740a56073b 1909
AnnaBridge 143:86740a56073b 1910 /**
AnnaBridge 143:86740a56073b 1911 * @brief Check if the USART Send Break Flag is set or not
AnnaBridge 143:86740a56073b 1912 * @rmtoll CR1 SBK LL_USART_IsActiveFlag_SBK
AnnaBridge 143:86740a56073b 1913 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1914 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 1915 */
AnnaBridge 143:86740a56073b 1916 __STATIC_INLINE uint32_t LL_USART_IsActiveFlag_SBK(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1917 {
AnnaBridge 143:86740a56073b 1918 return (READ_BIT(USARTx->CR1, USART_CR1_SBK) == (USART_CR1_SBK));
AnnaBridge 143:86740a56073b 1919 }
AnnaBridge 143:86740a56073b 1920
AnnaBridge 143:86740a56073b 1921 /**
AnnaBridge 143:86740a56073b 1922 * @brief Check if the USART Receive Wake Up from mute mode Flag is set or not
AnnaBridge 143:86740a56073b 1923 * @rmtoll CR1 RWU LL_USART_IsActiveFlag_RWU
AnnaBridge 143:86740a56073b 1924 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1925 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 1926 */
AnnaBridge 143:86740a56073b 1927 __STATIC_INLINE uint32_t LL_USART_IsActiveFlag_RWU(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1928 {
AnnaBridge 143:86740a56073b 1929 return (READ_BIT(USARTx->CR1, USART_CR1_RWU) == (USART_CR1_RWU));
AnnaBridge 143:86740a56073b 1930 }
AnnaBridge 143:86740a56073b 1931
AnnaBridge 143:86740a56073b 1932 /**
AnnaBridge 143:86740a56073b 1933 * @brief Clear Parity Error Flag
AnnaBridge 143:86740a56073b 1934 * @note Clearing this flag is done by a read access to the USARTx_SR
AnnaBridge 143:86740a56073b 1935 * register followed by a read access to the USARTx_DR register.
AnnaBridge 143:86740a56073b 1936 * @note Please also consider that when clearing this flag, other flags as
AnnaBridge 143:86740a56073b 1937 * NE, FE, ORE, IDLE would also be cleared.
AnnaBridge 143:86740a56073b 1938 * @rmtoll SR PE LL_USART_ClearFlag_PE
AnnaBridge 143:86740a56073b 1939 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1940 * @retval None
AnnaBridge 143:86740a56073b 1941 */
AnnaBridge 143:86740a56073b 1942 __STATIC_INLINE void LL_USART_ClearFlag_PE(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1943 {
AnnaBridge 143:86740a56073b 1944 __IO uint32_t tmpreg;
AnnaBridge 143:86740a56073b 1945 tmpreg = USARTx->SR;
AnnaBridge 143:86740a56073b 1946 (void) tmpreg;
AnnaBridge 143:86740a56073b 1947 tmpreg = USARTx->DR;
AnnaBridge 143:86740a56073b 1948 (void) tmpreg;
AnnaBridge 143:86740a56073b 1949 }
AnnaBridge 143:86740a56073b 1950
AnnaBridge 143:86740a56073b 1951 /**
AnnaBridge 143:86740a56073b 1952 * @brief Clear Framing Error Flag
AnnaBridge 143:86740a56073b 1953 * @note Clearing this flag is done by a read access to the USARTx_SR
AnnaBridge 143:86740a56073b 1954 * register followed by a read access to the USARTx_DR register.
AnnaBridge 143:86740a56073b 1955 * @note Please also consider that when clearing this flag, other flags as
AnnaBridge 143:86740a56073b 1956 * PE, NE, ORE, IDLE would also be cleared.
AnnaBridge 143:86740a56073b 1957 * @rmtoll SR FE LL_USART_ClearFlag_FE
AnnaBridge 143:86740a56073b 1958 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1959 * @retval None
AnnaBridge 143:86740a56073b 1960 */
AnnaBridge 143:86740a56073b 1961 __STATIC_INLINE void LL_USART_ClearFlag_FE(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1962 {
AnnaBridge 143:86740a56073b 1963 __IO uint32_t tmpreg;
AnnaBridge 143:86740a56073b 1964 tmpreg = USARTx->SR;
AnnaBridge 143:86740a56073b 1965 (void) tmpreg;
AnnaBridge 143:86740a56073b 1966 tmpreg = USARTx->DR;
AnnaBridge 143:86740a56073b 1967 (void) tmpreg;
AnnaBridge 143:86740a56073b 1968 }
AnnaBridge 143:86740a56073b 1969
AnnaBridge 143:86740a56073b 1970 /**
AnnaBridge 143:86740a56073b 1971 * @brief Clear Noise detected Flag
AnnaBridge 143:86740a56073b 1972 * @note Clearing this flag is done by a read access to the USARTx_SR
AnnaBridge 143:86740a56073b 1973 * register followed by a read access to the USARTx_DR register.
AnnaBridge 143:86740a56073b 1974 * @note Please also consider that when clearing this flag, other flags as
AnnaBridge 143:86740a56073b 1975 * PE, FE, ORE, IDLE would also be cleared.
AnnaBridge 143:86740a56073b 1976 * @rmtoll SR NF LL_USART_ClearFlag_NE
AnnaBridge 143:86740a56073b 1977 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1978 * @retval None
AnnaBridge 143:86740a56073b 1979 */
AnnaBridge 143:86740a56073b 1980 __STATIC_INLINE void LL_USART_ClearFlag_NE(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 1981 {
AnnaBridge 143:86740a56073b 1982 __IO uint32_t tmpreg;
AnnaBridge 143:86740a56073b 1983 tmpreg = USARTx->SR;
AnnaBridge 143:86740a56073b 1984 (void) tmpreg;
AnnaBridge 143:86740a56073b 1985 tmpreg = USARTx->DR;
AnnaBridge 143:86740a56073b 1986 (void) tmpreg;
AnnaBridge 143:86740a56073b 1987 }
AnnaBridge 143:86740a56073b 1988
AnnaBridge 143:86740a56073b 1989 /**
AnnaBridge 143:86740a56073b 1990 * @brief Clear OverRun Error Flag
AnnaBridge 143:86740a56073b 1991 * @note Clearing this flag is done by a read access to the USARTx_SR
AnnaBridge 143:86740a56073b 1992 * register followed by a read access to the USARTx_DR register.
AnnaBridge 143:86740a56073b 1993 * @note Please also consider that when clearing this flag, other flags as
AnnaBridge 143:86740a56073b 1994 * PE, NE, FE, IDLE would also be cleared.
AnnaBridge 143:86740a56073b 1995 * @rmtoll SR ORE LL_USART_ClearFlag_ORE
AnnaBridge 143:86740a56073b 1996 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 1997 * @retval None
AnnaBridge 143:86740a56073b 1998 */
AnnaBridge 143:86740a56073b 1999 __STATIC_INLINE void LL_USART_ClearFlag_ORE(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2000 {
AnnaBridge 143:86740a56073b 2001 __IO uint32_t tmpreg;
AnnaBridge 143:86740a56073b 2002 tmpreg = USARTx->SR;
AnnaBridge 143:86740a56073b 2003 (void) tmpreg;
AnnaBridge 143:86740a56073b 2004 tmpreg = USARTx->DR;
AnnaBridge 143:86740a56073b 2005 (void) tmpreg;
AnnaBridge 143:86740a56073b 2006 }
AnnaBridge 143:86740a56073b 2007
AnnaBridge 143:86740a56073b 2008 /**
AnnaBridge 143:86740a56073b 2009 * @brief Clear IDLE line detected Flag
AnnaBridge 143:86740a56073b 2010 * @note Clearing this flag is done by a read access to the USARTx_SR
AnnaBridge 143:86740a56073b 2011 * register followed by a read access to the USARTx_DR register.
AnnaBridge 143:86740a56073b 2012 * @note Please also consider that when clearing this flag, other flags as
AnnaBridge 143:86740a56073b 2013 * PE, NE, FE, ORE would also be cleared.
AnnaBridge 143:86740a56073b 2014 * @rmtoll SR IDLE LL_USART_ClearFlag_IDLE
AnnaBridge 143:86740a56073b 2015 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2016 * @retval None
AnnaBridge 143:86740a56073b 2017 */
AnnaBridge 143:86740a56073b 2018 __STATIC_INLINE void LL_USART_ClearFlag_IDLE(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2019 {
AnnaBridge 143:86740a56073b 2020 __IO uint32_t tmpreg;
AnnaBridge 143:86740a56073b 2021 tmpreg = USARTx->SR;
AnnaBridge 143:86740a56073b 2022 (void) tmpreg;
AnnaBridge 143:86740a56073b 2023 tmpreg = USARTx->DR;
AnnaBridge 143:86740a56073b 2024 (void) tmpreg;
AnnaBridge 143:86740a56073b 2025 }
AnnaBridge 143:86740a56073b 2026
AnnaBridge 143:86740a56073b 2027 /**
AnnaBridge 143:86740a56073b 2028 * @brief Clear Transmission Complete Flag
AnnaBridge 143:86740a56073b 2029 * @rmtoll SR TC LL_USART_ClearFlag_TC
AnnaBridge 143:86740a56073b 2030 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2031 * @retval None
AnnaBridge 143:86740a56073b 2032 */
AnnaBridge 143:86740a56073b 2033 __STATIC_INLINE void LL_USART_ClearFlag_TC(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2034 {
AnnaBridge 143:86740a56073b 2035 WRITE_REG(USARTx->SR , ~(USART_SR_TC));
AnnaBridge 143:86740a56073b 2036 }
AnnaBridge 143:86740a56073b 2037
AnnaBridge 143:86740a56073b 2038 /**
AnnaBridge 143:86740a56073b 2039 * @brief Clear RX Not Empty Flag
AnnaBridge 143:86740a56073b 2040 * @rmtoll SR RXNE LL_USART_ClearFlag_RXNE
AnnaBridge 143:86740a56073b 2041 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2042 * @retval None
AnnaBridge 143:86740a56073b 2043 */
AnnaBridge 143:86740a56073b 2044 __STATIC_INLINE void LL_USART_ClearFlag_RXNE(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2045 {
AnnaBridge 143:86740a56073b 2046 WRITE_REG(USARTx->SR , ~(USART_SR_RXNE));
AnnaBridge 143:86740a56073b 2047 }
AnnaBridge 143:86740a56073b 2048
AnnaBridge 143:86740a56073b 2049 /**
AnnaBridge 143:86740a56073b 2050 * @brief Clear LIN Break Detection Flag
AnnaBridge 143:86740a56073b 2051 * @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 2052 * LIN feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 2053 * @rmtoll SR LBD LL_USART_ClearFlag_LBD
AnnaBridge 143:86740a56073b 2054 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2055 * @retval None
AnnaBridge 143:86740a56073b 2056 */
AnnaBridge 143:86740a56073b 2057 __STATIC_INLINE void LL_USART_ClearFlag_LBD(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2058 {
AnnaBridge 143:86740a56073b 2059 WRITE_REG(USARTx->SR , ~(USART_SR_LBD));
AnnaBridge 143:86740a56073b 2060 }
AnnaBridge 143:86740a56073b 2061
AnnaBridge 143:86740a56073b 2062 /**
AnnaBridge 143:86740a56073b 2063 * @brief Clear CTS Interrupt Flag
AnnaBridge 143:86740a56073b 2064 * @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 2065 * Hardware Flow control feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 2066 * @rmtoll SR CTS LL_USART_ClearFlag_nCTS
AnnaBridge 143:86740a56073b 2067 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2068 * @retval None
AnnaBridge 143:86740a56073b 2069 */
AnnaBridge 143:86740a56073b 2070 __STATIC_INLINE void LL_USART_ClearFlag_nCTS(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2071 {
AnnaBridge 143:86740a56073b 2072 WRITE_REG(USARTx->SR , ~(USART_SR_CTS));
AnnaBridge 143:86740a56073b 2073 }
AnnaBridge 143:86740a56073b 2074
AnnaBridge 143:86740a56073b 2075 /**
AnnaBridge 143:86740a56073b 2076 * @}
AnnaBridge 143:86740a56073b 2077 */
AnnaBridge 143:86740a56073b 2078
AnnaBridge 143:86740a56073b 2079 /** @defgroup USART_LL_EF_IT_Management IT_Management
AnnaBridge 143:86740a56073b 2080 * @{
AnnaBridge 143:86740a56073b 2081 */
AnnaBridge 143:86740a56073b 2082
AnnaBridge 143:86740a56073b 2083 /**
AnnaBridge 143:86740a56073b 2084 * @brief Enable IDLE Interrupt
AnnaBridge 143:86740a56073b 2085 * @rmtoll CR1 IDLEIE LL_USART_EnableIT_IDLE
AnnaBridge 143:86740a56073b 2086 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2087 * @retval None
AnnaBridge 143:86740a56073b 2088 */
AnnaBridge 143:86740a56073b 2089 __STATIC_INLINE void LL_USART_EnableIT_IDLE(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2090 {
AnnaBridge 143:86740a56073b 2091 SET_BIT(USARTx->CR1, USART_CR1_IDLEIE);
AnnaBridge 143:86740a56073b 2092 }
AnnaBridge 143:86740a56073b 2093
AnnaBridge 143:86740a56073b 2094 /**
AnnaBridge 143:86740a56073b 2095 * @brief Enable RX Not Empty Interrupt
AnnaBridge 143:86740a56073b 2096 * @rmtoll CR1 RXNEIE LL_USART_EnableIT_RXNE
AnnaBridge 143:86740a56073b 2097 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2098 * @retval None
AnnaBridge 143:86740a56073b 2099 */
AnnaBridge 143:86740a56073b 2100 __STATIC_INLINE void LL_USART_EnableIT_RXNE(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2101 {
AnnaBridge 143:86740a56073b 2102 SET_BIT(USARTx->CR1, USART_CR1_RXNEIE);
AnnaBridge 143:86740a56073b 2103 }
AnnaBridge 143:86740a56073b 2104
AnnaBridge 143:86740a56073b 2105 /**
AnnaBridge 143:86740a56073b 2106 * @brief Enable Transmission Complete Interrupt
AnnaBridge 143:86740a56073b 2107 * @rmtoll CR1 TCIE LL_USART_EnableIT_TC
AnnaBridge 143:86740a56073b 2108 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2109 * @retval None
AnnaBridge 143:86740a56073b 2110 */
AnnaBridge 143:86740a56073b 2111 __STATIC_INLINE void LL_USART_EnableIT_TC(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2112 {
AnnaBridge 143:86740a56073b 2113 SET_BIT(USARTx->CR1, USART_CR1_TCIE);
AnnaBridge 143:86740a56073b 2114 }
AnnaBridge 143:86740a56073b 2115
AnnaBridge 143:86740a56073b 2116 /**
AnnaBridge 143:86740a56073b 2117 * @brief Enable TX Empty Interrupt
AnnaBridge 143:86740a56073b 2118 * @rmtoll CR1 TXEIE LL_USART_EnableIT_TXE
AnnaBridge 143:86740a56073b 2119 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2120 * @retval None
AnnaBridge 143:86740a56073b 2121 */
AnnaBridge 143:86740a56073b 2122 __STATIC_INLINE void LL_USART_EnableIT_TXE(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2123 {
AnnaBridge 143:86740a56073b 2124 SET_BIT(USARTx->CR1, USART_CR1_TXEIE);
AnnaBridge 143:86740a56073b 2125 }
AnnaBridge 143:86740a56073b 2126
AnnaBridge 143:86740a56073b 2127 /**
AnnaBridge 143:86740a56073b 2128 * @brief Enable Parity Error Interrupt
AnnaBridge 143:86740a56073b 2129 * @rmtoll CR1 PEIE LL_USART_EnableIT_PE
AnnaBridge 143:86740a56073b 2130 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2131 * @retval None
AnnaBridge 143:86740a56073b 2132 */
AnnaBridge 143:86740a56073b 2133 __STATIC_INLINE void LL_USART_EnableIT_PE(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2134 {
AnnaBridge 143:86740a56073b 2135 SET_BIT(USARTx->CR1, USART_CR1_PEIE);
AnnaBridge 143:86740a56073b 2136 }
AnnaBridge 143:86740a56073b 2137
AnnaBridge 143:86740a56073b 2138 /**
AnnaBridge 143:86740a56073b 2139 * @brief Enable LIN Break Detection Interrupt
AnnaBridge 143:86740a56073b 2140 * @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 2141 * LIN feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 2142 * @rmtoll CR2 LBDIE LL_USART_EnableIT_LBD
AnnaBridge 143:86740a56073b 2143 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2144 * @retval None
AnnaBridge 143:86740a56073b 2145 */
AnnaBridge 143:86740a56073b 2146 __STATIC_INLINE void LL_USART_EnableIT_LBD(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2147 {
AnnaBridge 143:86740a56073b 2148 SET_BIT(USARTx->CR2, USART_CR2_LBDIE);
AnnaBridge 143:86740a56073b 2149 }
AnnaBridge 143:86740a56073b 2150
AnnaBridge 143:86740a56073b 2151 /**
AnnaBridge 143:86740a56073b 2152 * @brief Enable Error Interrupt
AnnaBridge 143:86740a56073b 2153 * @note When set, Error Interrupt Enable Bit is enabling interrupt generation in case of a framing
AnnaBridge 143:86740a56073b 2154 * error, overrun error or noise flag (FE=1 or ORE=1 or NF=1 in the USARTx_SR register).
AnnaBridge 143:86740a56073b 2155 * 0: Interrupt is inhibited
AnnaBridge 143:86740a56073b 2156 * 1: An interrupt is generated when FE=1 or ORE=1 or NF=1 in the USARTx_SR register.
AnnaBridge 143:86740a56073b 2157 * @rmtoll CR3 EIE LL_USART_EnableIT_ERROR
AnnaBridge 143:86740a56073b 2158 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2159 * @retval None
AnnaBridge 143:86740a56073b 2160 */
AnnaBridge 143:86740a56073b 2161 __STATIC_INLINE void LL_USART_EnableIT_ERROR(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2162 {
AnnaBridge 143:86740a56073b 2163 SET_BIT(USARTx->CR3, USART_CR3_EIE);
AnnaBridge 143:86740a56073b 2164 }
AnnaBridge 143:86740a56073b 2165
AnnaBridge 143:86740a56073b 2166 /**
AnnaBridge 143:86740a56073b 2167 * @brief Enable CTS Interrupt
AnnaBridge 143:86740a56073b 2168 * @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 2169 * Hardware Flow control feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 2170 * @rmtoll CR3 CTSIE LL_USART_EnableIT_CTS
AnnaBridge 143:86740a56073b 2171 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2172 * @retval None
AnnaBridge 143:86740a56073b 2173 */
AnnaBridge 143:86740a56073b 2174 __STATIC_INLINE void LL_USART_EnableIT_CTS(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2175 {
AnnaBridge 143:86740a56073b 2176 SET_BIT(USARTx->CR3, USART_CR3_CTSIE);
AnnaBridge 143:86740a56073b 2177 }
AnnaBridge 143:86740a56073b 2178
AnnaBridge 143:86740a56073b 2179 /**
AnnaBridge 143:86740a56073b 2180 * @brief Disable IDLE Interrupt
AnnaBridge 143:86740a56073b 2181 * @rmtoll CR1 IDLEIE LL_USART_DisableIT_IDLE
AnnaBridge 143:86740a56073b 2182 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2183 * @retval None
AnnaBridge 143:86740a56073b 2184 */
AnnaBridge 143:86740a56073b 2185 __STATIC_INLINE void LL_USART_DisableIT_IDLE(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2186 {
AnnaBridge 143:86740a56073b 2187 CLEAR_BIT(USARTx->CR1, USART_CR1_IDLEIE);
AnnaBridge 143:86740a56073b 2188 }
AnnaBridge 143:86740a56073b 2189
AnnaBridge 143:86740a56073b 2190 /**
AnnaBridge 143:86740a56073b 2191 * @brief Disable RX Not Empty Interrupt
AnnaBridge 143:86740a56073b 2192 * @rmtoll CR1 RXNEIE LL_USART_DisableIT_RXNE
AnnaBridge 143:86740a56073b 2193 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2194 * @retval None
AnnaBridge 143:86740a56073b 2195 */
AnnaBridge 143:86740a56073b 2196 __STATIC_INLINE void LL_USART_DisableIT_RXNE(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2197 {
AnnaBridge 143:86740a56073b 2198 CLEAR_BIT(USARTx->CR1, USART_CR1_RXNEIE);
AnnaBridge 143:86740a56073b 2199 }
AnnaBridge 143:86740a56073b 2200
AnnaBridge 143:86740a56073b 2201 /**
AnnaBridge 143:86740a56073b 2202 * @brief Disable Transmission Complete Interrupt
AnnaBridge 143:86740a56073b 2203 * @rmtoll CR1 TCIE LL_USART_DisableIT_TC
AnnaBridge 143:86740a56073b 2204 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2205 * @retval None
AnnaBridge 143:86740a56073b 2206 */
AnnaBridge 143:86740a56073b 2207 __STATIC_INLINE void LL_USART_DisableIT_TC(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2208 {
AnnaBridge 143:86740a56073b 2209 CLEAR_BIT(USARTx->CR1, USART_CR1_TCIE);
AnnaBridge 143:86740a56073b 2210 }
AnnaBridge 143:86740a56073b 2211
AnnaBridge 143:86740a56073b 2212 /**
AnnaBridge 143:86740a56073b 2213 * @brief Disable TX Empty Interrupt
AnnaBridge 143:86740a56073b 2214 * @rmtoll CR1 TXEIE LL_USART_DisableIT_TXE
AnnaBridge 143:86740a56073b 2215 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2216 * @retval None
AnnaBridge 143:86740a56073b 2217 */
AnnaBridge 143:86740a56073b 2218 __STATIC_INLINE void LL_USART_DisableIT_TXE(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2219 {
AnnaBridge 143:86740a56073b 2220 CLEAR_BIT(USARTx->CR1, USART_CR1_TXEIE);
AnnaBridge 143:86740a56073b 2221 }
AnnaBridge 143:86740a56073b 2222
AnnaBridge 143:86740a56073b 2223 /**
AnnaBridge 143:86740a56073b 2224 * @brief Disable Parity Error Interrupt
AnnaBridge 143:86740a56073b 2225 * @rmtoll CR1 PEIE LL_USART_DisableIT_PE
AnnaBridge 143:86740a56073b 2226 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2227 * @retval None
AnnaBridge 143:86740a56073b 2228 */
AnnaBridge 143:86740a56073b 2229 __STATIC_INLINE void LL_USART_DisableIT_PE(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2230 {
AnnaBridge 143:86740a56073b 2231 CLEAR_BIT(USARTx->CR1, USART_CR1_PEIE);
AnnaBridge 143:86740a56073b 2232 }
AnnaBridge 143:86740a56073b 2233
AnnaBridge 143:86740a56073b 2234 /**
AnnaBridge 143:86740a56073b 2235 * @brief Disable LIN Break Detection Interrupt
AnnaBridge 143:86740a56073b 2236 * @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 2237 * LIN feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 2238 * @rmtoll CR2 LBDIE LL_USART_DisableIT_LBD
AnnaBridge 143:86740a56073b 2239 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2240 * @retval None
AnnaBridge 143:86740a56073b 2241 */
AnnaBridge 143:86740a56073b 2242 __STATIC_INLINE void LL_USART_DisableIT_LBD(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2243 {
AnnaBridge 143:86740a56073b 2244 CLEAR_BIT(USARTx->CR2, USART_CR2_LBDIE);
AnnaBridge 143:86740a56073b 2245 }
AnnaBridge 143:86740a56073b 2246
AnnaBridge 143:86740a56073b 2247 /**
AnnaBridge 143:86740a56073b 2248 * @brief Disable Error Interrupt
AnnaBridge 143:86740a56073b 2249 * @note When set, Error Interrupt Enable Bit is enabling interrupt generation in case of a framing
AnnaBridge 143:86740a56073b 2250 * error, overrun error or noise flag (FE=1 or ORE=1 or NF=1 in the USARTx_SR register).
AnnaBridge 143:86740a56073b 2251 * 0: Interrupt is inhibited
AnnaBridge 143:86740a56073b 2252 * 1: An interrupt is generated when FE=1 or ORE=1 or NF=1 in the USARTx_SR register.
AnnaBridge 143:86740a56073b 2253 * @rmtoll CR3 EIE LL_USART_DisableIT_ERROR
AnnaBridge 143:86740a56073b 2254 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2255 * @retval None
AnnaBridge 143:86740a56073b 2256 */
AnnaBridge 143:86740a56073b 2257 __STATIC_INLINE void LL_USART_DisableIT_ERROR(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2258 {
AnnaBridge 143:86740a56073b 2259 CLEAR_BIT(USARTx->CR3, USART_CR3_EIE);
AnnaBridge 143:86740a56073b 2260 }
AnnaBridge 143:86740a56073b 2261
AnnaBridge 143:86740a56073b 2262 /**
AnnaBridge 143:86740a56073b 2263 * @brief Disable CTS Interrupt
AnnaBridge 143:86740a56073b 2264 * @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 2265 * Hardware Flow control feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 2266 * @rmtoll CR3 CTSIE LL_USART_DisableIT_CTS
AnnaBridge 143:86740a56073b 2267 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2268 * @retval None
AnnaBridge 143:86740a56073b 2269 */
AnnaBridge 143:86740a56073b 2270 __STATIC_INLINE void LL_USART_DisableIT_CTS(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2271 {
AnnaBridge 143:86740a56073b 2272 CLEAR_BIT(USARTx->CR3, USART_CR3_CTSIE);
AnnaBridge 143:86740a56073b 2273 }
AnnaBridge 143:86740a56073b 2274
AnnaBridge 143:86740a56073b 2275 /**
AnnaBridge 143:86740a56073b 2276 * @brief Check if the USART IDLE Interrupt source is enabled or disabled.
AnnaBridge 143:86740a56073b 2277 * @rmtoll CR1 IDLEIE LL_USART_IsEnabledIT_IDLE
AnnaBridge 143:86740a56073b 2278 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2279 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 2280 */
AnnaBridge 143:86740a56073b 2281 __STATIC_INLINE uint32_t LL_USART_IsEnabledIT_IDLE(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2282 {
AnnaBridge 143:86740a56073b 2283 return (READ_BIT(USARTx->CR1, USART_CR1_IDLEIE) == (USART_CR1_IDLEIE));
AnnaBridge 143:86740a56073b 2284 }
AnnaBridge 143:86740a56073b 2285
AnnaBridge 143:86740a56073b 2286 /**
AnnaBridge 143:86740a56073b 2287 * @brief Check if the USART RX Not Empty Interrupt is enabled or disabled.
AnnaBridge 143:86740a56073b 2288 * @rmtoll CR1 RXNEIE LL_USART_IsEnabledIT_RXNE
AnnaBridge 143:86740a56073b 2289 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2290 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 2291 */
AnnaBridge 143:86740a56073b 2292 __STATIC_INLINE uint32_t LL_USART_IsEnabledIT_RXNE(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2293 {
AnnaBridge 143:86740a56073b 2294 return (READ_BIT(USARTx->CR1, USART_CR1_RXNEIE) == (USART_CR1_RXNEIE));
AnnaBridge 143:86740a56073b 2295 }
AnnaBridge 143:86740a56073b 2296
AnnaBridge 143:86740a56073b 2297 /**
AnnaBridge 143:86740a56073b 2298 * @brief Check if the USART Transmission Complete Interrupt is enabled or disabled.
AnnaBridge 143:86740a56073b 2299 * @rmtoll CR1 TCIE LL_USART_IsEnabledIT_TC
AnnaBridge 143:86740a56073b 2300 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2301 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 2302 */
AnnaBridge 143:86740a56073b 2303 __STATIC_INLINE uint32_t LL_USART_IsEnabledIT_TC(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2304 {
AnnaBridge 143:86740a56073b 2305 return (READ_BIT(USARTx->CR1, USART_CR1_TCIE) == (USART_CR1_TCIE));
AnnaBridge 143:86740a56073b 2306 }
AnnaBridge 143:86740a56073b 2307
AnnaBridge 143:86740a56073b 2308 /**
AnnaBridge 143:86740a56073b 2309 * @brief Check if the USART TX Empty Interrupt is enabled or disabled.
AnnaBridge 143:86740a56073b 2310 * @rmtoll CR1 TXEIE LL_USART_IsEnabledIT_TXE
AnnaBridge 143:86740a56073b 2311 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2312 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 2313 */
AnnaBridge 143:86740a56073b 2314 __STATIC_INLINE uint32_t LL_USART_IsEnabledIT_TXE(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2315 {
AnnaBridge 143:86740a56073b 2316 return (READ_BIT(USARTx->CR1, USART_CR1_TXEIE) == (USART_CR1_TXEIE));
AnnaBridge 143:86740a56073b 2317 }
AnnaBridge 143:86740a56073b 2318
AnnaBridge 143:86740a56073b 2319 /**
AnnaBridge 143:86740a56073b 2320 * @brief Check if the USART Parity Error Interrupt is enabled or disabled.
AnnaBridge 143:86740a56073b 2321 * @rmtoll CR1 PEIE LL_USART_IsEnabledIT_PE
AnnaBridge 143:86740a56073b 2322 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2323 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 2324 */
AnnaBridge 143:86740a56073b 2325 __STATIC_INLINE uint32_t LL_USART_IsEnabledIT_PE(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2326 {
AnnaBridge 143:86740a56073b 2327 return (READ_BIT(USARTx->CR1, USART_CR1_PEIE) == (USART_CR1_PEIE));
AnnaBridge 143:86740a56073b 2328 }
AnnaBridge 143:86740a56073b 2329
AnnaBridge 143:86740a56073b 2330 /**
AnnaBridge 143:86740a56073b 2331 * @brief Check if the USART LIN Break Detection Interrupt is enabled or disabled.
AnnaBridge 143:86740a56073b 2332 * @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 2333 * LIN feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 2334 * @rmtoll CR2 LBDIE LL_USART_IsEnabledIT_LBD
AnnaBridge 143:86740a56073b 2335 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2336 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 2337 */
AnnaBridge 143:86740a56073b 2338 __STATIC_INLINE uint32_t LL_USART_IsEnabledIT_LBD(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2339 {
AnnaBridge 143:86740a56073b 2340 return (READ_BIT(USARTx->CR2, USART_CR2_LBDIE) == (USART_CR2_LBDIE));
AnnaBridge 143:86740a56073b 2341 }
AnnaBridge 143:86740a56073b 2342
AnnaBridge 143:86740a56073b 2343 /**
AnnaBridge 143:86740a56073b 2344 * @brief Check if the USART Error Interrupt is enabled or disabled.
AnnaBridge 143:86740a56073b 2345 * @rmtoll CR3 EIE LL_USART_IsEnabledIT_ERROR
AnnaBridge 143:86740a56073b 2346 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2347 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 2348 */
AnnaBridge 143:86740a56073b 2349 __STATIC_INLINE uint32_t LL_USART_IsEnabledIT_ERROR(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2350 {
AnnaBridge 143:86740a56073b 2351 return (READ_BIT(USARTx->CR3, USART_CR3_EIE) == (USART_CR3_EIE));
AnnaBridge 143:86740a56073b 2352 }
AnnaBridge 143:86740a56073b 2353
AnnaBridge 143:86740a56073b 2354 /**
AnnaBridge 143:86740a56073b 2355 * @brief Check if the USART CTS Interrupt is enabled or disabled.
AnnaBridge 143:86740a56073b 2356 * @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
AnnaBridge 143:86740a56073b 2357 * Hardware Flow control feature is supported by the USARTx instance.
AnnaBridge 143:86740a56073b 2358 * @rmtoll CR3 CTSIE LL_USART_IsEnabledIT_CTS
AnnaBridge 143:86740a56073b 2359 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2360 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 2361 */
AnnaBridge 143:86740a56073b 2362 __STATIC_INLINE uint32_t LL_USART_IsEnabledIT_CTS(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2363 {
AnnaBridge 143:86740a56073b 2364 return (READ_BIT(USARTx->CR3, USART_CR3_CTSIE) == (USART_CR3_CTSIE));
AnnaBridge 143:86740a56073b 2365 }
AnnaBridge 143:86740a56073b 2366
AnnaBridge 143:86740a56073b 2367 /**
AnnaBridge 143:86740a56073b 2368 * @}
AnnaBridge 143:86740a56073b 2369 */
AnnaBridge 143:86740a56073b 2370
AnnaBridge 143:86740a56073b 2371 /** @defgroup USART_LL_EF_DMA_Management DMA_Management
AnnaBridge 143:86740a56073b 2372 * @{
AnnaBridge 143:86740a56073b 2373 */
AnnaBridge 143:86740a56073b 2374
AnnaBridge 143:86740a56073b 2375 /**
AnnaBridge 143:86740a56073b 2376 * @brief Enable DMA Mode for reception
AnnaBridge 143:86740a56073b 2377 * @rmtoll CR3 DMAR LL_USART_EnableDMAReq_RX
AnnaBridge 143:86740a56073b 2378 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2379 * @retval None
AnnaBridge 143:86740a56073b 2380 */
AnnaBridge 143:86740a56073b 2381 __STATIC_INLINE void LL_USART_EnableDMAReq_RX(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2382 {
AnnaBridge 143:86740a56073b 2383 SET_BIT(USARTx->CR3, USART_CR3_DMAR);
AnnaBridge 143:86740a56073b 2384 }
AnnaBridge 143:86740a56073b 2385
AnnaBridge 143:86740a56073b 2386 /**
AnnaBridge 143:86740a56073b 2387 * @brief Disable DMA Mode for reception
AnnaBridge 143:86740a56073b 2388 * @rmtoll CR3 DMAR LL_USART_DisableDMAReq_RX
AnnaBridge 143:86740a56073b 2389 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2390 * @retval None
AnnaBridge 143:86740a56073b 2391 */
AnnaBridge 143:86740a56073b 2392 __STATIC_INLINE void LL_USART_DisableDMAReq_RX(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2393 {
AnnaBridge 143:86740a56073b 2394 CLEAR_BIT(USARTx->CR3, USART_CR3_DMAR);
AnnaBridge 143:86740a56073b 2395 }
AnnaBridge 143:86740a56073b 2396
AnnaBridge 143:86740a56073b 2397 /**
AnnaBridge 143:86740a56073b 2398 * @brief Check if DMA Mode is enabled for reception
AnnaBridge 143:86740a56073b 2399 * @rmtoll CR3 DMAR LL_USART_IsEnabledDMAReq_RX
AnnaBridge 143:86740a56073b 2400 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2401 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 2402 */
AnnaBridge 143:86740a56073b 2403 __STATIC_INLINE uint32_t LL_USART_IsEnabledDMAReq_RX(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2404 {
AnnaBridge 143:86740a56073b 2405 return (READ_BIT(USARTx->CR3, USART_CR3_DMAR) == (USART_CR3_DMAR));
AnnaBridge 143:86740a56073b 2406 }
AnnaBridge 143:86740a56073b 2407
AnnaBridge 143:86740a56073b 2408 /**
AnnaBridge 143:86740a56073b 2409 * @brief Enable DMA Mode for transmission
AnnaBridge 143:86740a56073b 2410 * @rmtoll CR3 DMAT LL_USART_EnableDMAReq_TX
AnnaBridge 143:86740a56073b 2411 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2412 * @retval None
AnnaBridge 143:86740a56073b 2413 */
AnnaBridge 143:86740a56073b 2414 __STATIC_INLINE void LL_USART_EnableDMAReq_TX(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2415 {
AnnaBridge 143:86740a56073b 2416 SET_BIT(USARTx->CR3, USART_CR3_DMAT);
AnnaBridge 143:86740a56073b 2417 }
AnnaBridge 143:86740a56073b 2418
AnnaBridge 143:86740a56073b 2419 /**
AnnaBridge 143:86740a56073b 2420 * @brief Disable DMA Mode for transmission
AnnaBridge 143:86740a56073b 2421 * @rmtoll CR3 DMAT LL_USART_DisableDMAReq_TX
AnnaBridge 143:86740a56073b 2422 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2423 * @retval None
AnnaBridge 143:86740a56073b 2424 */
AnnaBridge 143:86740a56073b 2425 __STATIC_INLINE void LL_USART_DisableDMAReq_TX(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2426 {
AnnaBridge 143:86740a56073b 2427 CLEAR_BIT(USARTx->CR3, USART_CR3_DMAT);
AnnaBridge 143:86740a56073b 2428 }
AnnaBridge 143:86740a56073b 2429
AnnaBridge 143:86740a56073b 2430 /**
AnnaBridge 143:86740a56073b 2431 * @brief Check if DMA Mode is enabled for transmission
AnnaBridge 143:86740a56073b 2432 * @rmtoll CR3 DMAT LL_USART_IsEnabledDMAReq_TX
AnnaBridge 143:86740a56073b 2433 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2434 * @retval State of bit (1 or 0).
AnnaBridge 143:86740a56073b 2435 */
AnnaBridge 143:86740a56073b 2436 __STATIC_INLINE uint32_t LL_USART_IsEnabledDMAReq_TX(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2437 {
AnnaBridge 143:86740a56073b 2438 return (READ_BIT(USARTx->CR3, USART_CR3_DMAT) == (USART_CR3_DMAT));
AnnaBridge 143:86740a56073b 2439 }
AnnaBridge 143:86740a56073b 2440
AnnaBridge 143:86740a56073b 2441 /**
AnnaBridge 143:86740a56073b 2442 * @brief Get the data register address used for DMA transfer
AnnaBridge 143:86740a56073b 2443 * @rmtoll DR DR LL_USART_DMA_GetRegAddr
AnnaBridge 143:86740a56073b 2444 * @note Address of Data Register is valid for both Transmit and Receive transfers.
AnnaBridge 143:86740a56073b 2445 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2446 * @retval Address of data register
AnnaBridge 143:86740a56073b 2447 */
AnnaBridge 143:86740a56073b 2448 __STATIC_INLINE uint32_t LL_USART_DMA_GetRegAddr(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2449 {
AnnaBridge 143:86740a56073b 2450 /* return address of DR register */
AnnaBridge 143:86740a56073b 2451 return ((uint32_t) &(USARTx->DR));
AnnaBridge 143:86740a56073b 2452 }
AnnaBridge 143:86740a56073b 2453
AnnaBridge 143:86740a56073b 2454 /**
AnnaBridge 143:86740a56073b 2455 * @}
AnnaBridge 143:86740a56073b 2456 */
AnnaBridge 143:86740a56073b 2457
AnnaBridge 143:86740a56073b 2458 /** @defgroup USART_LL_EF_Data_Management Data_Management
AnnaBridge 143:86740a56073b 2459 * @{
AnnaBridge 143:86740a56073b 2460 */
AnnaBridge 143:86740a56073b 2461
AnnaBridge 143:86740a56073b 2462 /**
AnnaBridge 143:86740a56073b 2463 * @brief Read Receiver Data register (Receive Data value, 8 bits)
AnnaBridge 143:86740a56073b 2464 * @rmtoll DR DR LL_USART_ReceiveData8
AnnaBridge 143:86740a56073b 2465 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2466 * @retval Value between Min_Data=0x00 and Max_Data=0xFF
AnnaBridge 143:86740a56073b 2467 */
AnnaBridge 143:86740a56073b 2468 __STATIC_INLINE uint8_t LL_USART_ReceiveData8(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2469 {
AnnaBridge 143:86740a56073b 2470 return (uint8_t)(READ_BIT(USARTx->DR, USART_DR_DR));
AnnaBridge 143:86740a56073b 2471 }
AnnaBridge 143:86740a56073b 2472
AnnaBridge 143:86740a56073b 2473 /**
AnnaBridge 143:86740a56073b 2474 * @brief Read Receiver Data register (Receive Data value, 9 bits)
AnnaBridge 143:86740a56073b 2475 * @rmtoll DR DR LL_USART_ReceiveData9
AnnaBridge 143:86740a56073b 2476 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2477 * @retval Value between Min_Data=0x00 and Max_Data=0x1FF
AnnaBridge 143:86740a56073b 2478 */
AnnaBridge 143:86740a56073b 2479 __STATIC_INLINE uint16_t LL_USART_ReceiveData9(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2480 {
AnnaBridge 143:86740a56073b 2481 return (uint16_t)(READ_BIT(USARTx->DR, USART_DR_DR));
AnnaBridge 143:86740a56073b 2482 }
AnnaBridge 143:86740a56073b 2483
AnnaBridge 143:86740a56073b 2484 /**
AnnaBridge 143:86740a56073b 2485 * @brief Write in Transmitter Data Register (Transmit Data value, 8 bits)
AnnaBridge 143:86740a56073b 2486 * @rmtoll DR DR LL_USART_TransmitData8
AnnaBridge 143:86740a56073b 2487 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2488 * @param Value between Min_Data=0x00 and Max_Data=0xFF
AnnaBridge 143:86740a56073b 2489 * @retval None
AnnaBridge 143:86740a56073b 2490 */
AnnaBridge 143:86740a56073b 2491 __STATIC_INLINE void LL_USART_TransmitData8(USART_TypeDef *USARTx, uint8_t Value)
AnnaBridge 143:86740a56073b 2492 {
AnnaBridge 143:86740a56073b 2493 USARTx->DR = Value;
AnnaBridge 143:86740a56073b 2494 }
AnnaBridge 143:86740a56073b 2495
AnnaBridge 143:86740a56073b 2496 /**
AnnaBridge 143:86740a56073b 2497 * @brief Write in Transmitter Data Register (Transmit Data value, 9 bits)
AnnaBridge 143:86740a56073b 2498 * @rmtoll DR DR LL_USART_TransmitData9
AnnaBridge 143:86740a56073b 2499 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2500 * @param Value between Min_Data=0x00 and Max_Data=0x1FF
AnnaBridge 143:86740a56073b 2501 * @retval None
AnnaBridge 143:86740a56073b 2502 */
AnnaBridge 143:86740a56073b 2503 __STATIC_INLINE void LL_USART_TransmitData9(USART_TypeDef *USARTx, uint16_t Value)
AnnaBridge 143:86740a56073b 2504 {
AnnaBridge 143:86740a56073b 2505 USARTx->DR = Value & 0x1FFU;
AnnaBridge 143:86740a56073b 2506 }
AnnaBridge 143:86740a56073b 2507
AnnaBridge 143:86740a56073b 2508 /**
AnnaBridge 143:86740a56073b 2509 * @}
AnnaBridge 143:86740a56073b 2510 */
AnnaBridge 143:86740a56073b 2511
AnnaBridge 143:86740a56073b 2512 /** @defgroup USART_LL_EF_Execution Execution
AnnaBridge 143:86740a56073b 2513 * @{
AnnaBridge 143:86740a56073b 2514 */
AnnaBridge 143:86740a56073b 2515
AnnaBridge 143:86740a56073b 2516 /**
AnnaBridge 143:86740a56073b 2517 * @brief Request Break sending
AnnaBridge 143:86740a56073b 2518 * @rmtoll CR1 SBK LL_USART_RequestBreakSending
AnnaBridge 143:86740a56073b 2519 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2520 * @retval None
AnnaBridge 143:86740a56073b 2521 */
AnnaBridge 143:86740a56073b 2522 __STATIC_INLINE void LL_USART_RequestBreakSending(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2523 {
AnnaBridge 143:86740a56073b 2524 SET_BIT(USARTx->CR1, USART_CR1_SBK);
AnnaBridge 143:86740a56073b 2525 }
AnnaBridge 143:86740a56073b 2526
AnnaBridge 143:86740a56073b 2527 /**
AnnaBridge 143:86740a56073b 2528 * @brief Put USART in Mute mode
AnnaBridge 143:86740a56073b 2529 * @rmtoll CR1 RWU LL_USART_RequestEnterMuteMode
AnnaBridge 143:86740a56073b 2530 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2531 * @retval None
AnnaBridge 143:86740a56073b 2532 */
AnnaBridge 143:86740a56073b 2533 __STATIC_INLINE void LL_USART_RequestEnterMuteMode(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2534 {
AnnaBridge 143:86740a56073b 2535 SET_BIT(USARTx->CR1, USART_CR1_RWU);
AnnaBridge 143:86740a56073b 2536 }
AnnaBridge 143:86740a56073b 2537
AnnaBridge 143:86740a56073b 2538 /**
AnnaBridge 143:86740a56073b 2539 * @brief Put USART in Active mode
AnnaBridge 143:86740a56073b 2540 * @rmtoll CR1 RWU LL_USART_RequestExitMuteMode
AnnaBridge 143:86740a56073b 2541 * @param USARTx USART Instance
AnnaBridge 143:86740a56073b 2542 * @retval None
AnnaBridge 143:86740a56073b 2543 */
AnnaBridge 143:86740a56073b 2544 __STATIC_INLINE void LL_USART_RequestExitMuteMode(USART_TypeDef *USARTx)
AnnaBridge 143:86740a56073b 2545 {
AnnaBridge 143:86740a56073b 2546 CLEAR_BIT(USARTx->CR1, USART_CR1_RWU);
AnnaBridge 143:86740a56073b 2547 }
AnnaBridge 143:86740a56073b 2548
AnnaBridge 143:86740a56073b 2549 /**
AnnaBridge 143:86740a56073b 2550 * @}
AnnaBridge 143:86740a56073b 2551 */
AnnaBridge 143:86740a56073b 2552
AnnaBridge 143:86740a56073b 2553 #if defined(USE_FULL_LL_DRIVER)
AnnaBridge 143:86740a56073b 2554 /** @defgroup USART_LL_EF_Init Initialization and de-initialization functions
AnnaBridge 143:86740a56073b 2555 * @{
AnnaBridge 143:86740a56073b 2556 */
AnnaBridge 143:86740a56073b 2557 ErrorStatus LL_USART_DeInit(USART_TypeDef *USARTx);
AnnaBridge 143:86740a56073b 2558 ErrorStatus LL_USART_Init(USART_TypeDef *USARTx, LL_USART_InitTypeDef *USART_InitStruct);
AnnaBridge 143:86740a56073b 2559 void LL_USART_StructInit(LL_USART_InitTypeDef *USART_InitStruct);
AnnaBridge 143:86740a56073b 2560 ErrorStatus LL_USART_ClockInit(USART_TypeDef *USARTx, LL_USART_ClockInitTypeDef *USART_ClockInitStruct);
AnnaBridge 143:86740a56073b 2561 void LL_USART_ClockStructInit(LL_USART_ClockInitTypeDef *USART_ClockInitStruct);
AnnaBridge 143:86740a56073b 2562 /**
AnnaBridge 143:86740a56073b 2563 * @}
AnnaBridge 143:86740a56073b 2564 */
AnnaBridge 143:86740a56073b 2565 #endif /* USE_FULL_LL_DRIVER */
AnnaBridge 143:86740a56073b 2566
AnnaBridge 143:86740a56073b 2567 /**
AnnaBridge 143:86740a56073b 2568 * @}
AnnaBridge 143:86740a56073b 2569 */
AnnaBridge 143:86740a56073b 2570
AnnaBridge 143:86740a56073b 2571 /**
AnnaBridge 143:86740a56073b 2572 * @}
AnnaBridge 143:86740a56073b 2573 */
AnnaBridge 143:86740a56073b 2574
AnnaBridge 143:86740a56073b 2575 #endif /* USART1 || USART2 || USART3 || UART4 || UART5 */
AnnaBridge 143:86740a56073b 2576
AnnaBridge 143:86740a56073b 2577 /**
AnnaBridge 143:86740a56073b 2578 * @}
AnnaBridge 143:86740a56073b 2579 */
AnnaBridge 143:86740a56073b 2580
AnnaBridge 143:86740a56073b 2581 #ifdef __cplusplus
AnnaBridge 143:86740a56073b 2582 }
AnnaBridge 143:86740a56073b 2583 #endif
AnnaBridge 143:86740a56073b 2584
AnnaBridge 143:86740a56073b 2585 #endif /* __STM32F1xx_LL_USART_H */
AnnaBridge 143:86740a56073b 2586
AnnaBridge 143:86740a56073b 2587 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/