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TARGET_NUCLEO_F446RE/stm32f4xx_hal_i2c.h@121:672067c3ada4, 2016-04-14 (annotated)

Committer:
elijahorr
Date:
Thu Apr 14 07:28:54 2016 +0000
Revision:
121:672067c3ada4
Parent:
110:165afa46840b 
.

Who changed what in which revision?

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Kojto 106:ba1f97679dad 1 /**
Kojto 106:ba1f97679dad 2 ******************************************************************************
Kojto 106:ba1f97679dad 3 * @file stm32f4xx_hal_i2c.h
Kojto 106:ba1f97679dad 4 * @author MCD Application Team
Kojto 110:165afa46840b 5 * @version V1.4.1
Kojto 110:165afa46840b 6 * @date 09-October-2015
Kojto 106:ba1f97679dad 7 * @brief Header file of I2C HAL module.
Kojto 106:ba1f97679dad 8 ******************************************************************************
Kojto 106:ba1f97679dad 9 * @attention
Kojto 106:ba1f97679dad 10 *
Kojto 106:ba1f97679dad 11 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
Kojto 106:ba1f97679dad 12 *
Kojto 106:ba1f97679dad 13 * Redistribution and use in source and binary forms, with or without modification,
Kojto 106:ba1f97679dad 14 * are permitted provided that the following conditions are met:
Kojto 106:ba1f97679dad 15 * 1. Redistributions of source code must retain the above copyright notice,
Kojto 106:ba1f97679dad 16 * this list of conditions and the following disclaimer.
Kojto 106:ba1f97679dad 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
Kojto 106:ba1f97679dad 18 * this list of conditions and the following disclaimer in the documentation
Kojto 106:ba1f97679dad 19 * and/or other materials provided with the distribution.
Kojto 106:ba1f97679dad 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
Kojto 106:ba1f97679dad 21 * may be used to endorse or promote products derived from this software
Kojto 106:ba1f97679dad 22 * without specific prior written permission.
Kojto 106:ba1f97679dad 23 *
Kojto 106:ba1f97679dad 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
Kojto 106:ba1f97679dad 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
Kojto 106:ba1f97679dad 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
Kojto 106:ba1f97679dad 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
Kojto 106:ba1f97679dad 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
Kojto 106:ba1f97679dad 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
Kojto 106:ba1f97679dad 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
Kojto 106:ba1f97679dad 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
Kojto 106:ba1f97679dad 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
Kojto 106:ba1f97679dad 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Kojto 106:ba1f97679dad 34 *
Kojto 106:ba1f97679dad 35 ******************************************************************************
Kojto 106:ba1f97679dad 36 */
Kojto 106:ba1f97679dad 37
Kojto 106:ba1f97679dad 38 /* Define to prevent recursive inclusion -------------------------------------*/
Kojto 106:ba1f97679dad 39 #ifndef __STM32F4xx_HAL_I2C_H
Kojto 106:ba1f97679dad 40 #define __STM32F4xx_HAL_I2C_H
Kojto 106:ba1f97679dad 41
Kojto 106:ba1f97679dad 42 #ifdef __cplusplus
Kojto 106:ba1f97679dad 43 extern "C" {
Kojto 106:ba1f97679dad 44 #endif
Kojto 106:ba1f97679dad 45
Kojto 106:ba1f97679dad 46 /* Includes ------------------------------------------------------------------*/
Kojto 106:ba1f97679dad 47 #include "stm32f4xx_hal_def.h"
Kojto 106:ba1f97679dad 48
Kojto 106:ba1f97679dad 49 /** @addtogroup STM32F4xx_HAL_Driver
Kojto 106:ba1f97679dad 50 * @{
Kojto 106:ba1f97679dad 51 */
Kojto 106:ba1f97679dad 52
Kojto 106:ba1f97679dad 53 /** @addtogroup I2C
Kojto 106:ba1f97679dad 54 * @{
Kojto 106:ba1f97679dad 55 */
Kojto 106:ba1f97679dad 56
Kojto 106:ba1f97679dad 57 /* Exported types ------------------------------------------------------------*/
Kojto 106:ba1f97679dad 58 /** @defgroup I2C_Exported_Types I2C Exported Types
Kojto 106:ba1f97679dad 59 * @{
Kojto 106:ba1f97679dad 60 */
Kojto 106:ba1f97679dad 61
Kojto 106:ba1f97679dad 62 /**
Kojto 106:ba1f97679dad 63 * @brief I2C Configuration Structure definition
Kojto 106:ba1f97679dad 64 */
Kojto 106:ba1f97679dad 65 typedef struct
Kojto 106:ba1f97679dad 66 {
Kojto 106:ba1f97679dad 67 uint32_t ClockSpeed; /*!< Specifies the clock frequency.
Kojto 106:ba1f97679dad 68 This parameter must be set to a value lower than 400kHz */
Kojto 106:ba1f97679dad 69
Kojto 106:ba1f97679dad 70 uint32_t DutyCycle; /*!< Specifies the I2C fast mode duty cycle.
Kojto 106:ba1f97679dad 71 This parameter can be a value of @ref I2C_duty_cycle_in_fast_mode */
Kojto 106:ba1f97679dad 72
Kojto 106:ba1f97679dad 73 uint32_t OwnAddress1; /*!< Specifies the first device own address.
Kojto 106:ba1f97679dad 74 This parameter can be a 7-bit or 10-bit address. */
Kojto 106:ba1f97679dad 75
Kojto 106:ba1f97679dad 76 uint32_t AddressingMode; /*!< Specifies if 7-bit or 10-bit addressing mode is selected.
Kojto 106:ba1f97679dad 77 This parameter can be a value of @ref I2C_addressing_mode */
Kojto 106:ba1f97679dad 78
Kojto 106:ba1f97679dad 79 uint32_t DualAddressMode; /*!< Specifies if dual addressing mode is selected.
Kojto 106:ba1f97679dad 80 This parameter can be a value of @ref I2C_dual_addressing_mode */
Kojto 106:ba1f97679dad 81
Kojto 106:ba1f97679dad 82 uint32_t OwnAddress2; /*!< Specifies the second device own address if dual addressing mode is selected
Kojto 106:ba1f97679dad 83 This parameter can be a 7-bit address. */
Kojto 106:ba1f97679dad 84
Kojto 106:ba1f97679dad 85 uint32_t GeneralCallMode; /*!< Specifies if general call mode is selected.
Kojto 106:ba1f97679dad 86 This parameter can be a value of @ref I2C_general_call_addressing_mode */
Kojto 106:ba1f97679dad 87
Kojto 106:ba1f97679dad 88 uint32_t NoStretchMode; /*!< Specifies if nostretch mode is selected.
Kojto 106:ba1f97679dad 89 This parameter can be a value of @ref I2C_nostretch_mode */
Kojto 106:ba1f97679dad 90
Kojto 106:ba1f97679dad 91 }I2C_InitTypeDef;
Kojto 106:ba1f97679dad 92
Kojto 106:ba1f97679dad 93 /**
Kojto 106:ba1f97679dad 94 * @brief HAL State structures definition
Kojto 106:ba1f97679dad 95 */
Kojto 106:ba1f97679dad 96 typedef enum
Kojto 106:ba1f97679dad 97 {
Kojto 106:ba1f97679dad 98 HAL_I2C_STATE_RESET = 0x00, /*!< I2C not yet initialized or disabled */
Kojto 106:ba1f97679dad 99 HAL_I2C_STATE_READY = 0x01, /*!< I2C initialized and ready for use */
Kojto 106:ba1f97679dad 100 HAL_I2C_STATE_BUSY = 0x02, /*!< I2C internal process is ongoing */
Kojto 106:ba1f97679dad 101 HAL_I2C_STATE_BUSY_TX = 0x12, /*!< Data Transmission process is ongoing */
Kojto 106:ba1f97679dad 102 HAL_I2C_STATE_BUSY_RX = 0x22, /*!< Data Reception process is ongoing */
Kojto 106:ba1f97679dad 103 HAL_I2C_STATE_MEM_BUSY_TX = 0x32, /*!< Memory Data Transmission process is ongoing */
Kojto 106:ba1f97679dad 104 HAL_I2C_STATE_MEM_BUSY_RX = 0x42, /*!< Memory Data Reception process is ongoing */
Kojto 106:ba1f97679dad 105 HAL_I2C_STATE_TIMEOUT = 0x03, /*!< I2C timeout state */
Kojto 106:ba1f97679dad 106 HAL_I2C_STATE_ERROR = 0x04 /*!< I2C error state */
Kojto 106:ba1f97679dad 107
Kojto 106:ba1f97679dad 108 }HAL_I2C_StateTypeDef;
Kojto 106:ba1f97679dad 109
Kojto 106:ba1f97679dad 110 /**
Kojto 106:ba1f97679dad 111 * @brief I2C handle Structure definition
Kojto 106:ba1f97679dad 112 */
Kojto 106:ba1f97679dad 113 typedef struct
Kojto 106:ba1f97679dad 114 {
Kojto 106:ba1f97679dad 115 I2C_TypeDef *Instance; /*!< I2C registers base address */
Kojto 106:ba1f97679dad 116
Kojto 106:ba1f97679dad 117 I2C_InitTypeDef Init; /*!< I2C communication parameters */
Kojto 106:ba1f97679dad 118
Kojto 106:ba1f97679dad 119 uint8_t *pBuffPtr; /*!< Pointer to I2C transfer buffer */
Kojto 106:ba1f97679dad 120
Kojto 106:ba1f97679dad 121 uint16_t XferSize; /*!< I2C transfer size */
Kojto 106:ba1f97679dad 122
Kojto 106:ba1f97679dad 123 __IO uint16_t XferCount; /*!< I2C transfer counter */
Kojto 106:ba1f97679dad 124
Kojto 106:ba1f97679dad 125 DMA_HandleTypeDef *hdmatx; /*!< I2C Tx DMA handle parameters */
Kojto 106:ba1f97679dad 126
Kojto 106:ba1f97679dad 127 DMA_HandleTypeDef *hdmarx; /*!< I2C Rx DMA handle parameters */
Kojto 106:ba1f97679dad 128
Kojto 106:ba1f97679dad 129 HAL_LockTypeDef Lock; /*!< I2C locking object */
Kojto 106:ba1f97679dad 130
Kojto 106:ba1f97679dad 131 __IO HAL_I2C_StateTypeDef State; /*!< I2C communication state */
Kojto 106:ba1f97679dad 132
Kojto 106:ba1f97679dad 133 __IO uint32_t ErrorCode; /*!< I2C Error code */
Kojto 106:ba1f97679dad 134
Kojto 106:ba1f97679dad 135 }I2C_HandleTypeDef;
Kojto 106:ba1f97679dad 136 /**
Kojto 106:ba1f97679dad 137 * @}
Kojto 106:ba1f97679dad 138 */
Kojto 106:ba1f97679dad 139
Kojto 106:ba1f97679dad 140 /* Exported constants --------------------------------------------------------*/
Kojto 106:ba1f97679dad 141 /** @defgroup I2C_Exported_Constants I2C Exported Constants
Kojto 106:ba1f97679dad 142 * @{
Kojto 106:ba1f97679dad 143 */
Kojto 106:ba1f97679dad 144
Kojto 106:ba1f97679dad 145 /** @defgroup I2C_Error_Code I2C Error Code
Kojto 106:ba1f97679dad 146 * @brief I2C Error Code
Kojto 106:ba1f97679dad 147 * @{
Kojto 106:ba1f97679dad 148 */
Kojto 106:ba1f97679dad 149 #define HAL_I2C_ERROR_NONE ((uint32_t)0x00000000) /*!< No error */
Kojto 106:ba1f97679dad 150 #define HAL_I2C_ERROR_BERR ((uint32_t)0x00000001) /*!< BERR error */
Kojto 106:ba1f97679dad 151 #define HAL_I2C_ERROR_ARLO ((uint32_t)0x00000002) /*!< ARLO error */
Kojto 106:ba1f97679dad 152 #define HAL_I2C_ERROR_AF ((uint32_t)0x00000004) /*!< AF error */
Kojto 106:ba1f97679dad 153 #define HAL_I2C_ERROR_OVR ((uint32_t)0x00000008) /*!< OVR error */
Kojto 106:ba1f97679dad 154 #define HAL_I2C_ERROR_DMA ((uint32_t)0x00000010) /*!< DMA transfer error */
Kojto 106:ba1f97679dad 155 #define HAL_I2C_ERROR_TIMEOUT ((uint32_t)0x00000020) /*!< Timeout Error */
Kojto 106:ba1f97679dad 156 /**
Kojto 106:ba1f97679dad 157 * @}
Kojto 106:ba1f97679dad 158 */
Kojto 106:ba1f97679dad 159
Kojto 106:ba1f97679dad 160 /** @defgroup I2C_duty_cycle_in_fast_mode I2C duty cycle in fast mode
Kojto 106:ba1f97679dad 161 * @{
Kojto 106:ba1f97679dad 162 */
Kojto 106:ba1f97679dad 163 #define I2C_DUTYCYCLE_2 ((uint32_t)0x00000000)
Kojto 106:ba1f97679dad 164 #define I2C_DUTYCYCLE_16_9 I2C_CCR_DUTY
Kojto 106:ba1f97679dad 165 /**
Kojto 106:ba1f97679dad 166 * @}
Kojto 106:ba1f97679dad 167 */
Kojto 106:ba1f97679dad 168
Kojto 106:ba1f97679dad 169 /** @defgroup I2C_addressing_mode I2C addressing mode
Kojto 106:ba1f97679dad 170 * @{
Kojto 106:ba1f97679dad 171 */
Kojto 106:ba1f97679dad 172 #define I2C_ADDRESSINGMODE_7BIT ((uint32_t)0x00004000)
Kojto 106:ba1f97679dad 173 #define I2C_ADDRESSINGMODE_10BIT (I2C_OAR1_ADDMODE | ((uint32_t)0x00004000))
Kojto 106:ba1f97679dad 174 /**
Kojto 106:ba1f97679dad 175 * @}
Kojto 106:ba1f97679dad 176 */
Kojto 106:ba1f97679dad 177
Kojto 106:ba1f97679dad 178 /** @defgroup I2C_dual_addressing_mode I2C dual addressing mode
Kojto 106:ba1f97679dad 179 * @{
Kojto 106:ba1f97679dad 180 */
Kojto 106:ba1f97679dad 181 #define I2C_DUALADDRESS_DISABLE ((uint32_t)0x00000000)
Kojto 106:ba1f97679dad 182 #define I2C_DUALADDRESS_ENABLE I2C_OAR2_ENDUAL
Kojto 106:ba1f97679dad 183 /**
Kojto 106:ba1f97679dad 184 * @}
Kojto 106:ba1f97679dad 185 */
Kojto 106:ba1f97679dad 186
Kojto 106:ba1f97679dad 187 /** @defgroup I2C_general_call_addressing_mode I2C general call addressing mode
Kojto 106:ba1f97679dad 188 * @{
Kojto 106:ba1f97679dad 189 */
Kojto 106:ba1f97679dad 190 #define I2C_GENERALCALL_DISABLE ((uint32_t)0x00000000)
Kojto 106:ba1f97679dad 191 #define I2C_GENERALCALL_ENABLE I2C_CR1_ENGC
Kojto 106:ba1f97679dad 192 /**
Kojto 106:ba1f97679dad 193 * @}
Kojto 106:ba1f97679dad 194 */
Kojto 106:ba1f97679dad 195
Kojto 106:ba1f97679dad 196 /** @defgroup I2C_nostretch_mode I2C nostretch mode
Kojto 106:ba1f97679dad 197 * @{
Kojto 106:ba1f97679dad 198 */
Kojto 106:ba1f97679dad 199 #define I2C_NOSTRETCH_DISABLE ((uint32_t)0x00000000)
Kojto 106:ba1f97679dad 200 #define I2C_NOSTRETCH_ENABLE I2C_CR1_NOSTRETCH
Kojto 106:ba1f97679dad 201 /**
Kojto 106:ba1f97679dad 202 * @}
Kojto 106:ba1f97679dad 203 */
Kojto 106:ba1f97679dad 204
Kojto 106:ba1f97679dad 205 /** @defgroup I2C_Memory_Address_Size I2C Memory Address Size
Kojto 106:ba1f97679dad 206 * @{
Kojto 106:ba1f97679dad 207 */
Kojto 106:ba1f97679dad 208 #define I2C_MEMADD_SIZE_8BIT ((uint32_t)0x00000001)
Kojto 106:ba1f97679dad 209 #define I2C_MEMADD_SIZE_16BIT ((uint32_t)0x00000010)
Kojto 106:ba1f97679dad 210 /**
Kojto 106:ba1f97679dad 211 * @}
Kojto 106:ba1f97679dad 212 */
Kojto 106:ba1f97679dad 213
Kojto 106:ba1f97679dad 214 /** @defgroup I2C_Interrupt_configuration_definition I2C Interrupt configuration definition
Kojto 106:ba1f97679dad 215 * @{
Kojto 106:ba1f97679dad 216 */
Kojto 106:ba1f97679dad 217 #define I2C_IT_BUF I2C_CR2_ITBUFEN
Kojto 106:ba1f97679dad 218 #define I2C_IT_EVT I2C_CR2_ITEVTEN
Kojto 106:ba1f97679dad 219 #define I2C_IT_ERR I2C_CR2_ITERREN
Kojto 106:ba1f97679dad 220 /**
Kojto 106:ba1f97679dad 221 * @}
Kojto 106:ba1f97679dad 222 */
Kojto 106:ba1f97679dad 223
Kojto 106:ba1f97679dad 224 /** @defgroup I2C_Flag_definition I2C Flag definition
Kojto 106:ba1f97679dad 225 * @{
Kojto 106:ba1f97679dad 226 */
Kojto 106:ba1f97679dad 227 #define I2C_FLAG_SMBALERT ((uint32_t)0x00018000)
Kojto 106:ba1f97679dad 228 #define I2C_FLAG_TIMEOUT ((uint32_t)0x00014000)
Kojto 106:ba1f97679dad 229 #define I2C_FLAG_PECERR ((uint32_t)0x00011000)
Kojto 106:ba1f97679dad 230 #define I2C_FLAG_OVR ((uint32_t)0x00010800)
Kojto 106:ba1f97679dad 231 #define I2C_FLAG_AF ((uint32_t)0x00010400)
Kojto 106:ba1f97679dad 232 #define I2C_FLAG_ARLO ((uint32_t)0x00010200)
Kojto 106:ba1f97679dad 233 #define I2C_FLAG_BERR ((uint32_t)0x00010100)
Kojto 106:ba1f97679dad 234 #define I2C_FLAG_TXE ((uint32_t)0x00010080)
Kojto 106:ba1f97679dad 235 #define I2C_FLAG_RXNE ((uint32_t)0x00010040)
Kojto 106:ba1f97679dad 236 #define I2C_FLAG_STOPF ((uint32_t)0x00010010)
Kojto 106:ba1f97679dad 237 #define I2C_FLAG_ADD10 ((uint32_t)0x00010008)
Kojto 106:ba1f97679dad 238 #define I2C_FLAG_BTF ((uint32_t)0x00010004)
Kojto 106:ba1f97679dad 239 #define I2C_FLAG_ADDR ((uint32_t)0x00010002)
Kojto 106:ba1f97679dad 240 #define I2C_FLAG_SB ((uint32_t)0x00010001)
Kojto 106:ba1f97679dad 241 #define I2C_FLAG_DUALF ((uint32_t)0x00100080)
Kojto 106:ba1f97679dad 242 #define I2C_FLAG_SMBHOST ((uint32_t)0x00100040)
Kojto 106:ba1f97679dad 243 #define I2C_FLAG_SMBDEFAULT ((uint32_t)0x00100020)
Kojto 106:ba1f97679dad 244 #define I2C_FLAG_GENCALL ((uint32_t)0x00100010)
Kojto 106:ba1f97679dad 245 #define I2C_FLAG_TRA ((uint32_t)0x00100004)
Kojto 106:ba1f97679dad 246 #define I2C_FLAG_BUSY ((uint32_t)0x00100002)
Kojto 106:ba1f97679dad 247 #define I2C_FLAG_MSL ((uint32_t)0x00100001)
Kojto 106:ba1f97679dad 248 /**
Kojto 106:ba1f97679dad 249 * @}
Kojto 106:ba1f97679dad 250 */
Kojto 106:ba1f97679dad 251
Kojto 106:ba1f97679dad 252 /**
Kojto 106:ba1f97679dad 253 * @}
Kojto 106:ba1f97679dad 254 */
Kojto 106:ba1f97679dad 255
Kojto 106:ba1f97679dad 256 /* Exported macro ------------------------------------------------------------*/
Kojto 106:ba1f97679dad 257 /** @defgroup I2C_Exported_Macros I2C Exported Macros
Kojto 106:ba1f97679dad 258 * @{
Kojto 106:ba1f97679dad 259 */
Kojto 106:ba1f97679dad 260
Kojto 106:ba1f97679dad 261 /** @brief Reset I2C handle state
Kojto 106:ba1f97679dad 262 * @param __HANDLE__: specifies the I2C Handle.
Kojto 106:ba1f97679dad 263 * This parameter can be I2C where x: 1, 2, or 3 to select the I2C peripheral.
Kojto 106:ba1f97679dad 264 * @retval None
Kojto 106:ba1f97679dad 265 */
Kojto 106:ba1f97679dad 266 #define __HAL_I2C_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_I2C_STATE_RESET)
Kojto 106:ba1f97679dad 267
Kojto 106:ba1f97679dad 268 /** @brief Enable or disable the specified I2C interrupts.
Kojto 106:ba1f97679dad 269 * @param __HANDLE__: specifies the I2C Handle.
Kojto 106:ba1f97679dad 270 * This parameter can be I2C where x: 1, 2, or 3 to select the I2C peripheral.
Kojto 106:ba1f97679dad 271 * @param __INTERRUPT__: specifies the interrupt source to enable or disable.
Kojto 106:ba1f97679dad 272 * This parameter can be one of the following values:
Kojto 106:ba1f97679dad 273 * @arg I2C_IT_BUF: Buffer interrupt enable
Kojto 106:ba1f97679dad 274 * @arg I2C_IT_EVT: Event interrupt enable
Kojto 106:ba1f97679dad 275 * @arg I2C_IT_ERR: Error interrupt enable
Kojto 106:ba1f97679dad 276 * @retval None
Kojto 106:ba1f97679dad 277 */
Kojto 106:ba1f97679dad 278 #define __HAL_I2C_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR2 |= (__INTERRUPT__))
Kojto 106:ba1f97679dad 279 #define __HAL_I2C_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR2 &= (~(__INTERRUPT__)))
Kojto 106:ba1f97679dad 280
Kojto 106:ba1f97679dad 281 /** @brief Checks if the specified I2C interrupt source is enabled or disabled.
Kojto 106:ba1f97679dad 282 * @param __HANDLE__: specifies the I2C Handle.
Kojto 106:ba1f97679dad 283 * This parameter can be I2C where x: 1, 2, or 3 to select the I2C peripheral.
Kojto 106:ba1f97679dad 284 * @param __INTERRUPT__: specifies the I2C interrupt source to check.
Kojto 106:ba1f97679dad 285 * This parameter can be one of the following values:
Kojto 106:ba1f97679dad 286 * @arg I2C_IT_BUF: Buffer interrupt enable
Kojto 106:ba1f97679dad 287 * @arg I2C_IT_EVT: Event interrupt enable
Kojto 106:ba1f97679dad 288 * @arg I2C_IT_ERR: Error interrupt enable
Kojto 106:ba1f97679dad 289 * @retval The new state of __INTERRUPT__ (TRUE or FALSE).
Kojto 106:ba1f97679dad 290 */
Kojto 106:ba1f97679dad 291 #define __HAL_I2C_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->CR2 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
Kojto 106:ba1f97679dad 292
Kojto 106:ba1f97679dad 293 /** @brief Checks whether the specified I2C flag is set or not.
Kojto 106:ba1f97679dad 294 * @param __HANDLE__: specifies the I2C Handle.
Kojto 106:ba1f97679dad 295 * This parameter can be I2C where x: 1, 2, or 3 to select the I2C peripheral.
Kojto 106:ba1f97679dad 296 * @param __FLAG__: specifies the flag to check.
Kojto 106:ba1f97679dad 297 * This parameter can be one of the following values:
Kojto 106:ba1f97679dad 298 * @arg I2C_FLAG_SMBALERT: SMBus Alert flag
Kojto 106:ba1f97679dad 299 * @arg I2C_FLAG_TIMEOUT: Timeout or Tlow error flag
Kojto 106:ba1f97679dad 300 * @arg I2C_FLAG_PECERR: PEC error in reception flag
Kojto 106:ba1f97679dad 301 * @arg I2C_FLAG_OVR: Overrun/Underrun flag
Kojto 106:ba1f97679dad 302 * @arg I2C_FLAG_AF: Acknowledge failure flag
Kojto 106:ba1f97679dad 303 * @arg I2C_FLAG_ARLO: Arbitration lost flag
Kojto 106:ba1f97679dad 304 * @arg I2C_FLAG_BERR: Bus error flag
Kojto 106:ba1f97679dad 305 * @arg I2C_FLAG_TXE: Data register empty flag
Kojto 106:ba1f97679dad 306 * @arg I2C_FLAG_RXNE: Data register not empty flag
Kojto 106:ba1f97679dad 307 * @arg I2C_FLAG_STOPF: Stop detection flag
Kojto 106:ba1f97679dad 308 * @arg I2C_FLAG_ADD10: 10-bit header sent flag
Kojto 106:ba1f97679dad 309 * @arg I2C_FLAG_BTF: Byte transfer finished flag
Kojto 106:ba1f97679dad 310 * @arg I2C_FLAG_ADDR: Address sent flag
Kojto 106:ba1f97679dad 311 * Address matched flag
Kojto 106:ba1f97679dad 312 * @arg I2C_FLAG_SB: Start bit flag
Kojto 106:ba1f97679dad 313 * @arg I2C_FLAG_DUALF: Dual flag
Kojto 106:ba1f97679dad 314 * @arg I2C_FLAG_SMBHOST: SMBus host header
Kojto 106:ba1f97679dad 315 * @arg I2C_FLAG_SMBDEFAULT: SMBus default header
Kojto 106:ba1f97679dad 316 * @arg I2C_FLAG_GENCALL: General call header flag
Kojto 106:ba1f97679dad 317 * @arg I2C_FLAG_TRA: Transmitter/Receiver flag
Kojto 106:ba1f97679dad 318 * @arg I2C_FLAG_BUSY: Bus busy flag
Kojto 106:ba1f97679dad 319 * @arg I2C_FLAG_MSL: Master/Slave flag
Kojto 106:ba1f97679dad 320 * @retval The new state of __FLAG__ (TRUE or FALSE).
Kojto 106:ba1f97679dad 321 */
Kojto 106:ba1f97679dad 322 #define __HAL_I2C_GET_FLAG(__HANDLE__, __FLAG__) ((((uint8_t)((__FLAG__) >> 16)) == 0x01)?((((__HANDLE__)->Instance->SR1) & ((__FLAG__) & I2C_FLAG_MASK)) == ((__FLAG__) & I2C_FLAG_MASK)): \
Kojto 106:ba1f97679dad 323 ((((__HANDLE__)->Instance->SR2) & ((__FLAG__) & I2C_FLAG_MASK)) == ((__FLAG__) & I2C_FLAG_MASK)))
Kojto 106:ba1f97679dad 324
Kojto 106:ba1f97679dad 325 /** @brief Clears the I2C pending flags which are cleared by writing 0 in a specific bit.
Kojto 106:ba1f97679dad 326 * @param __HANDLE__: specifies the I2C Handle.
Kojto 106:ba1f97679dad 327 * This parameter can be I2C where x: 1, 2, or 3 to select the I2C peripheral.
Kojto 106:ba1f97679dad 328 * @param __FLAG__: specifies the flag to clear.
Kojto 106:ba1f97679dad 329 * This parameter can be any combination of the following values:
Kojto 106:ba1f97679dad 330 * @arg I2C_FLAG_SMBALERT: SMBus Alert flag
Kojto 106:ba1f97679dad 331 * @arg I2C_FLAG_TIMEOUT: Timeout or Tlow error flag
Kojto 106:ba1f97679dad 332 * @arg I2C_FLAG_PECERR: PEC error in reception flag
Kojto 106:ba1f97679dad 333 * @arg I2C_FLAG_OVR: Overrun/Underrun flag (Slave mode)
Kojto 106:ba1f97679dad 334 * @arg I2C_FLAG_AF: Acknowledge failure flag
Kojto 106:ba1f97679dad 335 * @arg I2C_FLAG_ARLO: Arbitration lost flag (Master mode)
Kojto 106:ba1f97679dad 336 * @arg I2C_FLAG_BERR: Bus error flag
Kojto 106:ba1f97679dad 337 * @retval None
Kojto 106:ba1f97679dad 338 */
Kojto 106:ba1f97679dad 339 #define __HAL_I2C_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR1 = ~((__FLAG__) & I2C_FLAG_MASK))
Kojto 106:ba1f97679dad 340
Kojto 106:ba1f97679dad 341 /** @brief Clears the I2C ADDR pending flag.
Kojto 106:ba1f97679dad 342 * @param __HANDLE__: specifies the I2C Handle.
Kojto 106:ba1f97679dad 343 * This parameter can be I2C where x: 1, 2, or 3 to select the I2C peripheral.
Kojto 106:ba1f97679dad 344 * @retval None
Kojto 106:ba1f97679dad 345 */
Kojto 106:ba1f97679dad 346 #define __HAL_I2C_CLEAR_ADDRFLAG(__HANDLE__) \
Kojto 106:ba1f97679dad 347 do{ \
Kojto 106:ba1f97679dad 348 __IO uint32_t tmpreg; \
Kojto 106:ba1f97679dad 349 tmpreg = (__HANDLE__)->Instance->SR1; \
Kojto 106:ba1f97679dad 350 tmpreg = (__HANDLE__)->Instance->SR2; \
Kojto 106:ba1f97679dad 351 UNUSED(tmpreg); \
Kojto 106:ba1f97679dad 352 } while(0)
Kojto 106:ba1f97679dad 353
Kojto 106:ba1f97679dad 354 /** @brief Clears the I2C STOPF pending flag.
Kojto 106:ba1f97679dad 355 * @param __HANDLE__: specifies the I2C Handle.
Kojto 106:ba1f97679dad 356 * This parameter can be I2C where x: 1, 2, or 3 to select the I2C peripheral.
Kojto 106:ba1f97679dad 357 * @retval None
Kojto 106:ba1f97679dad 358 */
Kojto 106:ba1f97679dad 359 #define __HAL_I2C_CLEAR_STOPFLAG(__HANDLE__) \
Kojto 106:ba1f97679dad 360 do{ \
Kojto 106:ba1f97679dad 361 __IO uint32_t tmpreg; \
Kojto 106:ba1f97679dad 362 tmpreg = (__HANDLE__)->Instance->SR1; \
Kojto 106:ba1f97679dad 363 (__HANDLE__)->Instance->CR1 |= I2C_CR1_PE; \
Kojto 106:ba1f97679dad 364 UNUSED(tmpreg); \
Kojto 106:ba1f97679dad 365 } while(0)
Kojto 106:ba1f97679dad 366
Kojto 106:ba1f97679dad 367 #define __HAL_I2C_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= I2C_CR1_PE)
Kojto 106:ba1f97679dad 368 #define __HAL_I2C_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= ~I2C_CR1_PE)
Kojto 106:ba1f97679dad 369
Kojto 106:ba1f97679dad 370 /**
Kojto 106:ba1f97679dad 371 * @}
Kojto 106:ba1f97679dad 372 */
Kojto 106:ba1f97679dad 373
Kojto 106:ba1f97679dad 374 /* Include I2C HAL Extension module */
Kojto 106:ba1f97679dad 375 #include "stm32f4xx_hal_i2c_ex.h"
Kojto 106:ba1f97679dad 376
Kojto 106:ba1f97679dad 377 /* Exported functions --------------------------------------------------------*/
Kojto 106:ba1f97679dad 378 /** @addtogroup I2C_Exported_Functions
Kojto 106:ba1f97679dad 379 * @{
Kojto 106:ba1f97679dad 380 */
Kojto 106:ba1f97679dad 381
Kojto 106:ba1f97679dad 382 /** @addtogroup I2C_Exported_Functions_Group1
Kojto 106:ba1f97679dad 383 * @{
Kojto 106:ba1f97679dad 384 */
Kojto 106:ba1f97679dad 385 /* Initialization/de-initialization functions **********************************/
Kojto 106:ba1f97679dad 386 HAL_StatusTypeDef HAL_I2C_Init(I2C_HandleTypeDef *hi2c);
Kojto 106:ba1f97679dad 387 HAL_StatusTypeDef HAL_I2C_DeInit (I2C_HandleTypeDef *hi2c);
Kojto 106:ba1f97679dad 388 void HAL_I2C_MspInit(I2C_HandleTypeDef *hi2c);
Kojto 106:ba1f97679dad 389 void HAL_I2C_MspDeInit(I2C_HandleTypeDef *hi2c);
Kojto 106:ba1f97679dad 390 /**
Kojto 106:ba1f97679dad 391 * @}
Kojto 106:ba1f97679dad 392 */
Kojto 106:ba1f97679dad 393
Kojto 106:ba1f97679dad 394 /** @addtogroup I2C_Exported_Functions_Group2
Kojto 106:ba1f97679dad 395 * @{
Kojto 106:ba1f97679dad 396 */
Kojto 106:ba1f97679dad 397 /* I/O operation functions *****************************************************/
Kojto 106:ba1f97679dad 398 /******* Blocking mode: Polling */
Kojto 106:ba1f97679dad 399 HAL_StatusTypeDef HAL_I2C_Master_Transmit(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout);
Kojto 106:ba1f97679dad 400 HAL_StatusTypeDef HAL_I2C_Master_Receive(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout);
Kojto 106:ba1f97679dad 401 HAL_StatusTypeDef HAL_I2C_Slave_Transmit(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t Timeout);
Kojto 106:ba1f97679dad 402 HAL_StatusTypeDef HAL_I2C_Slave_Receive(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t Timeout);
Kojto 106:ba1f97679dad 403 HAL_StatusTypeDef HAL_I2C_Mem_Write(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size, uint32_t Timeout);
Kojto 106:ba1f97679dad 404 HAL_StatusTypeDef HAL_I2C_Mem_Read(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size, uint32_t Timeout);
Kojto 106:ba1f97679dad 405 HAL_StatusTypeDef HAL_I2C_IsDeviceReady(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint32_t Trials, uint32_t Timeout);
Kojto 106:ba1f97679dad 406
Kojto 106:ba1f97679dad 407 /******* Non-Blocking mode: Interrupt */
Kojto 106:ba1f97679dad 408 HAL_StatusTypeDef HAL_I2C_Master_Transmit_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size);
Kojto 106:ba1f97679dad 409 HAL_StatusTypeDef HAL_I2C_Master_Receive_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size);
Kojto 106:ba1f97679dad 410 HAL_StatusTypeDef HAL_I2C_Slave_Transmit_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size);
Kojto 106:ba1f97679dad 411 HAL_StatusTypeDef HAL_I2C_Slave_Receive_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size);
Kojto 106:ba1f97679dad 412 HAL_StatusTypeDef HAL_I2C_Mem_Write_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size);
Kojto 106:ba1f97679dad 413 HAL_StatusTypeDef HAL_I2C_Mem_Read_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size);
Kojto 106:ba1f97679dad 414
Kojto 106:ba1f97679dad 415 /******* Non-Blocking mode: DMA */
Kojto 106:ba1f97679dad 416 HAL_StatusTypeDef HAL_I2C_Master_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size);
Kojto 106:ba1f97679dad 417 HAL_StatusTypeDef HAL_I2C_Master_Receive_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size);
Kojto 106:ba1f97679dad 418 HAL_StatusTypeDef HAL_I2C_Slave_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size);
Kojto 106:ba1f97679dad 419 HAL_StatusTypeDef HAL_I2C_Slave_Receive_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size);
Kojto 106:ba1f97679dad 420 HAL_StatusTypeDef HAL_I2C_Mem_Write_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size);
Kojto 106:ba1f97679dad 421 HAL_StatusTypeDef HAL_I2C_Mem_Read_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size);
Kojto 106:ba1f97679dad 422
Kojto 106:ba1f97679dad 423 /******* I2C IRQHandler and Callbacks used in non blocking modes (Interrupt and DMA) */
Kojto 106:ba1f97679dad 424 void HAL_I2C_EV_IRQHandler(I2C_HandleTypeDef *hi2c);
Kojto 106:ba1f97679dad 425 void HAL_I2C_ER_IRQHandler(I2C_HandleTypeDef *hi2c);
Kojto 106:ba1f97679dad 426 void HAL_I2C_MasterTxCpltCallback(I2C_HandleTypeDef *hi2c);
Kojto 106:ba1f97679dad 427 void HAL_I2C_MasterRxCpltCallback(I2C_HandleTypeDef *hi2c);
Kojto 106:ba1f97679dad 428 void HAL_I2C_SlaveTxCpltCallback(I2C_HandleTypeDef *hi2c);
Kojto 106:ba1f97679dad 429 void HAL_I2C_SlaveRxCpltCallback(I2C_HandleTypeDef *hi2c);
Kojto 106:ba1f97679dad 430 void HAL_I2C_MemTxCpltCallback(I2C_HandleTypeDef *hi2c);
Kojto 106:ba1f97679dad 431 void HAL_I2C_MemRxCpltCallback(I2C_HandleTypeDef *hi2c);
Kojto 106:ba1f97679dad 432 void HAL_I2C_ErrorCallback(I2C_HandleTypeDef *hi2c);
Kojto 106:ba1f97679dad 433 /**
Kojto 106:ba1f97679dad 434 * @}
Kojto 106:ba1f97679dad 435 */
Kojto 106:ba1f97679dad 436
Kojto 106:ba1f97679dad 437 /** @addtogroup I2C_Exported_Functions_Group3
Kojto 106:ba1f97679dad 438 * @{
Kojto 106:ba1f97679dad 439 */
Kojto 106:ba1f97679dad 440 /* Peripheral Control and State functions **************************************/
Kojto 106:ba1f97679dad 441 HAL_I2C_StateTypeDef HAL_I2C_GetState(I2C_HandleTypeDef *hi2c);
Kojto 106:ba1f97679dad 442 uint32_t HAL_I2C_GetError(I2C_HandleTypeDef *hi2c);
Kojto 106:ba1f97679dad 443
Kojto 106:ba1f97679dad 444 /**
Kojto 106:ba1f97679dad 445 * @}
Kojto 106:ba1f97679dad 446 */
Kojto 106:ba1f97679dad 447
Kojto 106:ba1f97679dad 448 /**
Kojto 106:ba1f97679dad 449 * @}
Kojto 106:ba1f97679dad 450 */
Kojto 106:ba1f97679dad 451 /* Private types -------------------------------------------------------------*/
Kojto 106:ba1f97679dad 452 /* Private variables ---------------------------------------------------------*/
Kojto 106:ba1f97679dad 453 /* Private constants ---------------------------------------------------------*/
Kojto 106:ba1f97679dad 454 /** @defgroup I2C_Private_Constants I2C Private Constants
Kojto 106:ba1f97679dad 455 * @{
Kojto 106:ba1f97679dad 456 */
Kojto 106:ba1f97679dad 457 #define I2C_FLAG_MASK ((uint32_t)0x0000FFFF)
Kojto 106:ba1f97679dad 458 /**
Kojto 106:ba1f97679dad 459 * @}
Kojto 106:ba1f97679dad 460 */
Kojto 106:ba1f97679dad 461
Kojto 106:ba1f97679dad 462 /* Private macros ------------------------------------------------------------*/
Kojto 106:ba1f97679dad 463 /** @defgroup I2C_Private_Macros I2C Private Macros
Kojto 106:ba1f97679dad 464 * @{
Kojto 106:ba1f97679dad 465 */
Kojto 106:ba1f97679dad 466
Kojto 106:ba1f97679dad 467 #define I2C_FREQRANGE(__PCLK__) ((__PCLK__)/1000000)
Kojto 106:ba1f97679dad 468 #define I2C_RISE_TIME(__FREQRANGE__, __SPEED__) (((__SPEED__) <= 100000) ? ((__FREQRANGE__) + 1) : ((((__FREQRANGE__) * 300) / 1000) + 1))
Kojto 106:ba1f97679dad 469 #define I2C_SPEED_STANDARD(__PCLK__, __SPEED__) (((((__PCLK__)/((__SPEED__) << 1)) & I2C_CCR_CCR) < 4)? 4:((__PCLK__) / ((__SPEED__) << 1)))
Kojto 106:ba1f97679dad 470 #define I2C_SPEED_FAST(__PCLK__, __SPEED__, __DUTYCYCLE__) (((__DUTYCYCLE__) == I2C_DUTYCYCLE_2)? ((__PCLK__) / ((__SPEED__) * 3)) : (((__PCLK__) / ((__SPEED__) * 25)) | I2C_DUTYCYCLE_16_9))
Kojto 106:ba1f97679dad 471 #define I2C_SPEED(__PCLK__, __SPEED__, __DUTYCYCLE__) (((__SPEED__) <= 100000)? (I2C_SPEED_STANDARD((__PCLK__), (__SPEED__))) : \
Kojto 106:ba1f97679dad 472 ((I2C_SPEED_FAST((__PCLK__), (__SPEED__), (__DUTYCYCLE__)) & I2C_CCR_CCR) == 0)? 1 : \
Kojto 106:ba1f97679dad 473 ((I2C_SPEED_FAST((__PCLK__), (__SPEED__), (__DUTYCYCLE__))) | I2C_CCR_FS))
Kojto 106:ba1f97679dad 474
Kojto 106:ba1f97679dad 475 #define I2C_7BIT_ADD_WRITE(__ADDRESS__) ((uint8_t)((__ADDRESS__) & (~I2C_OAR1_ADD0)))
Kojto 106:ba1f97679dad 476 #define I2C_7BIT_ADD_READ(__ADDRESS__) ((uint8_t)((__ADDRESS__) | I2C_OAR1_ADD0))
Kojto 106:ba1f97679dad 477
Kojto 106:ba1f97679dad 478 #define I2C_10BIT_ADDRESS(__ADDRESS__) ((uint8_t)((uint16_t)((__ADDRESS__) & (uint16_t)(0x00FF))))
Kojto 106:ba1f97679dad 479 #define I2C_10BIT_HEADER_WRITE(__ADDRESS__) ((uint8_t)((uint16_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)(0x0300))) >> 7) | (uint16_t)(0xF0))))
Kojto 106:ba1f97679dad 480 #define I2C_10BIT_HEADER_READ(__ADDRESS__) ((uint8_t)((uint16_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)(0x0300))) >> 7) | (uint16_t)(0xF1))))
Kojto 106:ba1f97679dad 481
Kojto 106:ba1f97679dad 482 #define I2C_MEM_ADD_MSB(__ADDRESS__) ((uint8_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)(0xFF00))) >> 8)))
Kojto 106:ba1f97679dad 483 #define I2C_MEM_ADD_LSB(__ADDRESS__) ((uint8_t)((uint16_t)((__ADDRESS__) & (uint16_t)(0x00FF))))
Kojto 106:ba1f97679dad 484
Kojto 106:ba1f97679dad 485 /** @defgroup I2C_IS_RTC_Definitions I2C Private macros to check input parameters
Kojto 106:ba1f97679dad 486 * @{
Kojto 106:ba1f97679dad 487 */
Kojto 106:ba1f97679dad 488 #define IS_I2C_DUTY_CYCLE(CYCLE) (((CYCLE) == I2C_DUTYCYCLE_2) || \
Kojto 106:ba1f97679dad 489 ((CYCLE) == I2C_DUTYCYCLE_16_9))
Kojto 106:ba1f97679dad 490 #define IS_I2C_ADDRESSING_MODE(ADDRESS) (((ADDRESS) == I2C_ADDRESSINGMODE_7BIT) || \
Kojto 106:ba1f97679dad 491 ((ADDRESS) == I2C_ADDRESSINGMODE_10BIT))
Kojto 106:ba1f97679dad 492 #define IS_I2C_DUAL_ADDRESS(ADDRESS) (((ADDRESS) == I2C_DUALADDRESS_DISABLE) || \
Kojto 106:ba1f97679dad 493 ((ADDRESS) == I2C_DUALADDRESS_ENABLE))
Kojto 106:ba1f97679dad 494 #define IS_I2C_GENERAL_CALL(CALL) (((CALL) == I2C_GENERALCALL_DISABLE) || \
Kojto 106:ba1f97679dad 495 ((CALL) == I2C_GENERALCALL_ENABLE))
Kojto 106:ba1f97679dad 496 #define IS_I2C_NO_STRETCH(STRETCH) (((STRETCH) == I2C_NOSTRETCH_DISABLE) || \
Kojto 106:ba1f97679dad 497 ((STRETCH) == I2C_NOSTRETCH_ENABLE))
Kojto 106:ba1f97679dad 498 #define IS_I2C_MEMADD_SIZE(SIZE) (((SIZE) == I2C_MEMADD_SIZE_8BIT) || \
Kojto 106:ba1f97679dad 499 ((SIZE) == I2C_MEMADD_SIZE_16BIT))
Kojto 106:ba1f97679dad 500 #define IS_I2C_CLOCK_SPEED(SPEED) (((SPEED) > 0) && ((SPEED) <= 400000))
Kojto 106:ba1f97679dad 501 #define IS_I2C_OWN_ADDRESS1(ADDRESS1) (((ADDRESS1) & (uint32_t)(0xFFFFFC00)) == 0)
Kojto 106:ba1f97679dad 502 #define IS_I2C_OWN_ADDRESS2(ADDRESS2) (((ADDRESS2) & (uint32_t)(0xFFFFFF01)) == 0)
Kojto 106:ba1f97679dad 503 /**
Kojto 106:ba1f97679dad 504 * @}
Kojto 106:ba1f97679dad 505 */
Kojto 106:ba1f97679dad 506
Kojto 106:ba1f97679dad 507 /**
Kojto 106:ba1f97679dad 508 * @}
Kojto 106:ba1f97679dad 509 */
Kojto 106:ba1f97679dad 510
Kojto 106:ba1f97679dad 511 /* Private functions ---------------------------------------------------------*/
Kojto 106:ba1f97679dad 512 /** @defgroup I2C_Private_Functions I2C Private Functions
Kojto 106:ba1f97679dad 513 * @{
Kojto 106:ba1f97679dad 514 */
Kojto 106:ba1f97679dad 515
Kojto 106:ba1f97679dad 516 /**
Kojto 106:ba1f97679dad 517 * @}
Kojto 106:ba1f97679dad 518 */
Kojto 106:ba1f97679dad 519
Kojto 106:ba1f97679dad 520 /**
Kojto 106:ba1f97679dad 521 * @}
Kojto 106:ba1f97679dad 522 */
Kojto 106:ba1f97679dad 523
Kojto 106:ba1f97679dad 524 /**
Kojto 106:ba1f97679dad 525 * @}
Kojto 106:ba1f97679dad 526 */
Kojto 106:ba1f97679dad 527
Kojto 106:ba1f97679dad 528 #ifdef __cplusplus
Kojto 106:ba1f97679dad 529 }
Kojto 106:ba1f97679dad 530 #endif
Kojto 106:ba1f97679dad 531
Kojto 106:ba1f97679dad 532
Kojto 106:ba1f97679dad 533 #endif /* __STM32F4xx_HAL_I2C_H */
Kojto 106:ba1f97679dad 534
Kojto 106:ba1f97679dad 535 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/