mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/TARGET_STM/TARGET_STM32F2/device/stm32f2xx_ll_gpio.c@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
Parent:
167:e84263d55307 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 167:e84263d55307 1 /**
AnnaBridge 167:e84263d55307 2 ******************************************************************************
AnnaBridge 167:e84263d55307 3 * @file stm32f2xx_ll_gpio.c
AnnaBridge 167:e84263d55307 4 * @author MCD Application Team
AnnaBridge 167:e84263d55307 5 * @version V1.2.1
AnnaBridge 167:e84263d55307 6 * @date 14-April-2017
AnnaBridge 167:e84263d55307 7 * @brief GPIO LL module driver.
AnnaBridge 167:e84263d55307 8 ******************************************************************************
AnnaBridge 167:e84263d55307 9 * @attention
AnnaBridge 167:e84263d55307 10 *
AnnaBridge 167:e84263d55307 11 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
AnnaBridge 167:e84263d55307 12 *
AnnaBridge 167:e84263d55307 13 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 167:e84263d55307 14 * are permitted provided that the following conditions are met:
AnnaBridge 167:e84263d55307 15 * 1. Redistributions of source code must retain the above copyright notice,
AnnaBridge 167:e84263d55307 16 * this list of conditions and the following disclaimer.
AnnaBridge 167:e84263d55307 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
AnnaBridge 167:e84263d55307 18 * this list of conditions and the following disclaimer in the documentation
AnnaBridge 167:e84263d55307 19 * and/or other materials provided with the distribution.
AnnaBridge 167:e84263d55307 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
AnnaBridge 167:e84263d55307 21 * may be used to endorse or promote products derived from this software
AnnaBridge 167:e84263d55307 22 * without specific prior written permission.
AnnaBridge 167:e84263d55307 23 *
AnnaBridge 167:e84263d55307 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AnnaBridge 167:e84263d55307 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
AnnaBridge 167:e84263d55307 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 167:e84263d55307 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
AnnaBridge 167:e84263d55307 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
AnnaBridge 167:e84263d55307 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
AnnaBridge 167:e84263d55307 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
AnnaBridge 167:e84263d55307 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
AnnaBridge 167:e84263d55307 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
AnnaBridge 167:e84263d55307 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 167:e84263d55307 34 *
AnnaBridge 167:e84263d55307 35 ******************************************************************************
AnnaBridge 167:e84263d55307 36 */
AnnaBridge 167:e84263d55307 37 #if defined(USE_FULL_LL_DRIVER)
AnnaBridge 167:e84263d55307 38
AnnaBridge 167:e84263d55307 39 /* Includes ------------------------------------------------------------------*/
AnnaBridge 167:e84263d55307 40 #include "stm32f2xx_ll_gpio.h"
AnnaBridge 167:e84263d55307 41 #include "stm32f2xx_ll_bus.h"
AnnaBridge 167:e84263d55307 42 #ifdef USE_FULL_ASSERT
AnnaBridge 167:e84263d55307 43 #include "stm32_assert.h"
AnnaBridge 167:e84263d55307 44 #else
AnnaBridge 167:e84263d55307 45 #define assert_param(expr) ((void)0U)
AnnaBridge 167:e84263d55307 46 #endif
AnnaBridge 167:e84263d55307 47
AnnaBridge 167:e84263d55307 48 /** @addtogroup STM32F2xx_LL_Driver
AnnaBridge 167:e84263d55307 49 * @{
AnnaBridge 167:e84263d55307 50 */
AnnaBridge 167:e84263d55307 51
AnnaBridge 167:e84263d55307 52 #if defined (GPIOA) || defined (GPIOB) || defined (GPIOC) || defined (GPIOD) || defined (GPIOE) || defined (GPIOF) || defined (GPIOG) || defined (GPIOH) || defined (GPIOI)
AnnaBridge 167:e84263d55307 53
AnnaBridge 167:e84263d55307 54 /** @addtogroup GPIO_LL
AnnaBridge 167:e84263d55307 55 * @{
AnnaBridge 167:e84263d55307 56 */
AnnaBridge 167:e84263d55307 57
AnnaBridge 167:e84263d55307 58 /* Private types -------------------------------------------------------------*/
AnnaBridge 167:e84263d55307 59 /* Private variables ---------------------------------------------------------*/
AnnaBridge 167:e84263d55307 60 /* Private constants ---------------------------------------------------------*/
AnnaBridge 167:e84263d55307 61 /* Private macros ------------------------------------------------------------*/
AnnaBridge 167:e84263d55307 62 /** @addtogroup GPIO_LL_Private_Macros
AnnaBridge 167:e84263d55307 63 * @{
AnnaBridge 167:e84263d55307 64 */
AnnaBridge 167:e84263d55307 65 #define IS_LL_GPIO_PIN(__VALUE__) (((0x00000000U) < (__VALUE__)) && ((__VALUE__) <= (LL_GPIO_PIN_ALL)))
AnnaBridge 167:e84263d55307 66
AnnaBridge 167:e84263d55307 67 #define IS_LL_GPIO_MODE(__VALUE__) (((__VALUE__) == LL_GPIO_MODE_INPUT) ||\
AnnaBridge 167:e84263d55307 68 ((__VALUE__) == LL_GPIO_MODE_OUTPUT) ||\
AnnaBridge 167:e84263d55307 69 ((__VALUE__) == LL_GPIO_MODE_ALTERNATE) ||\
AnnaBridge 167:e84263d55307 70 ((__VALUE__) == LL_GPIO_MODE_ANALOG))
AnnaBridge 167:e84263d55307 71
AnnaBridge 167:e84263d55307 72 #define IS_LL_GPIO_OUTPUT_TYPE(__VALUE__) (((__VALUE__) == LL_GPIO_OUTPUT_PUSHPULL) ||\
AnnaBridge 167:e84263d55307 73 ((__VALUE__) == LL_GPIO_OUTPUT_OPENDRAIN))
AnnaBridge 167:e84263d55307 74
AnnaBridge 167:e84263d55307 75 #define IS_LL_GPIO_SPEED(__VALUE__) (((__VALUE__) == LL_GPIO_SPEED_FREQ_LOW) ||\
AnnaBridge 167:e84263d55307 76 ((__VALUE__) == LL_GPIO_SPEED_FREQ_MEDIUM) ||\
AnnaBridge 167:e84263d55307 77 ((__VALUE__) == LL_GPIO_SPEED_FREQ_HIGH) ||\
AnnaBridge 167:e84263d55307 78 ((__VALUE__) == LL_GPIO_SPEED_FREQ_VERY_HIGH))
AnnaBridge 167:e84263d55307 79
AnnaBridge 167:e84263d55307 80 #define IS_LL_GPIO_PULL(__VALUE__) (((__VALUE__) == LL_GPIO_PULL_NO) ||\
AnnaBridge 167:e84263d55307 81 ((__VALUE__) == LL_GPIO_PULL_UP) ||\
AnnaBridge 167:e84263d55307 82 ((__VALUE__) == LL_GPIO_PULL_DOWN))
AnnaBridge 167:e84263d55307 83
AnnaBridge 167:e84263d55307 84 #define IS_LL_GPIO_ALTERNATE(__VALUE__) (((__VALUE__) == LL_GPIO_AF_0 ) ||\
AnnaBridge 167:e84263d55307 85 ((__VALUE__) == LL_GPIO_AF_1 ) ||\
AnnaBridge 167:e84263d55307 86 ((__VALUE__) == LL_GPIO_AF_2 ) ||\
AnnaBridge 167:e84263d55307 87 ((__VALUE__) == LL_GPIO_AF_3 ) ||\
AnnaBridge 167:e84263d55307 88 ((__VALUE__) == LL_GPIO_AF_4 ) ||\
AnnaBridge 167:e84263d55307 89 ((__VALUE__) == LL_GPIO_AF_5 ) ||\
AnnaBridge 167:e84263d55307 90 ((__VALUE__) == LL_GPIO_AF_6 ) ||\
AnnaBridge 167:e84263d55307 91 ((__VALUE__) == LL_GPIO_AF_7 ) ||\
AnnaBridge 167:e84263d55307 92 ((__VALUE__) == LL_GPIO_AF_8 ) ||\
AnnaBridge 167:e84263d55307 93 ((__VALUE__) == LL_GPIO_AF_9 ) ||\
AnnaBridge 167:e84263d55307 94 ((__VALUE__) == LL_GPIO_AF_10 ) ||\
AnnaBridge 167:e84263d55307 95 ((__VALUE__) == LL_GPIO_AF_11 ) ||\
AnnaBridge 167:e84263d55307 96 ((__VALUE__) == LL_GPIO_AF_12 ) ||\
AnnaBridge 167:e84263d55307 97 ((__VALUE__) == LL_GPIO_AF_13 ) ||\
AnnaBridge 167:e84263d55307 98 ((__VALUE__) == LL_GPIO_AF_14 ) ||\
AnnaBridge 167:e84263d55307 99 ((__VALUE__) == LL_GPIO_AF_15 ))
AnnaBridge 167:e84263d55307 100 /**
AnnaBridge 167:e84263d55307 101 * @}
AnnaBridge 167:e84263d55307 102 */
AnnaBridge 167:e84263d55307 103
AnnaBridge 167:e84263d55307 104 /* Private function prototypes -----------------------------------------------*/
AnnaBridge 167:e84263d55307 105
AnnaBridge 167:e84263d55307 106 /* Exported functions --------------------------------------------------------*/
AnnaBridge 167:e84263d55307 107 /** @addtogroup GPIO_LL_Exported_Functions
AnnaBridge 167:e84263d55307 108 * @{
AnnaBridge 167:e84263d55307 109 */
AnnaBridge 167:e84263d55307 110
AnnaBridge 167:e84263d55307 111 /** @addtogroup GPIO_LL_EF_Init
AnnaBridge 167:e84263d55307 112 * @{
AnnaBridge 167:e84263d55307 113 */
AnnaBridge 167:e84263d55307 114
AnnaBridge 167:e84263d55307 115 /**
AnnaBridge 167:e84263d55307 116 * @brief De-initialize GPIO registers (Registers restored to their default values).
AnnaBridge 167:e84263d55307 117 * @param GPIOx GPIO Port
AnnaBridge 167:e84263d55307 118 * @retval An ErrorStatus enumeration value:
AnnaBridge 167:e84263d55307 119 * - SUCCESS: GPIO registers are de-initialized
AnnaBridge 167:e84263d55307 120 * - ERROR: Wrong GPIO Port
AnnaBridge 167:e84263d55307 121 */
AnnaBridge 167:e84263d55307 122 ErrorStatus LL_GPIO_DeInit(GPIO_TypeDef *GPIOx)
AnnaBridge 167:e84263d55307 123 {
AnnaBridge 167:e84263d55307 124 ErrorStatus status = SUCCESS;
AnnaBridge 167:e84263d55307 125
AnnaBridge 167:e84263d55307 126 /* Check the parameters */
AnnaBridge 167:e84263d55307 127 assert_param(IS_GPIO_ALL_INSTANCE(GPIOx));
AnnaBridge 167:e84263d55307 128
AnnaBridge 167:e84263d55307 129 /* Force and Release reset on clock of GPIOx Port */
AnnaBridge 167:e84263d55307 130 if (GPIOx == GPIOA)
AnnaBridge 167:e84263d55307 131 {
AnnaBridge 167:e84263d55307 132 LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOA);
AnnaBridge 167:e84263d55307 133 LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOA);
AnnaBridge 167:e84263d55307 134 }
AnnaBridge 167:e84263d55307 135 else if (GPIOx == GPIOB)
AnnaBridge 167:e84263d55307 136 {
AnnaBridge 167:e84263d55307 137 LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOB);
AnnaBridge 167:e84263d55307 138 LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOB);
AnnaBridge 167:e84263d55307 139 }
AnnaBridge 167:e84263d55307 140 else if (GPIOx == GPIOC)
AnnaBridge 167:e84263d55307 141 {
AnnaBridge 167:e84263d55307 142 LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOC);
AnnaBridge 167:e84263d55307 143 LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOC);
AnnaBridge 167:e84263d55307 144 }
AnnaBridge 167:e84263d55307 145 #if defined(GPIOD)
AnnaBridge 167:e84263d55307 146 else if (GPIOx == GPIOD)
AnnaBridge 167:e84263d55307 147 {
AnnaBridge 167:e84263d55307 148 LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOD);
AnnaBridge 167:e84263d55307 149 LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOD);
AnnaBridge 167:e84263d55307 150 }
AnnaBridge 167:e84263d55307 151 #endif /* GPIOD */
AnnaBridge 167:e84263d55307 152 #if defined(GPIOE)
AnnaBridge 167:e84263d55307 153 else if (GPIOx == GPIOE)
AnnaBridge 167:e84263d55307 154 {
AnnaBridge 167:e84263d55307 155 LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOE);
AnnaBridge 167:e84263d55307 156 LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOE);
AnnaBridge 167:e84263d55307 157 }
AnnaBridge 167:e84263d55307 158 #endif /* GPIOE */
AnnaBridge 167:e84263d55307 159 #if defined(GPIOF)
AnnaBridge 167:e84263d55307 160 else if (GPIOx == GPIOF)
AnnaBridge 167:e84263d55307 161 {
AnnaBridge 167:e84263d55307 162 LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOF);
AnnaBridge 167:e84263d55307 163 LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOF);
AnnaBridge 167:e84263d55307 164 }
AnnaBridge 167:e84263d55307 165 #endif /* GPIOF */
AnnaBridge 167:e84263d55307 166 #if defined(GPIOG)
AnnaBridge 167:e84263d55307 167 else if (GPIOx == GPIOG)
AnnaBridge 167:e84263d55307 168 {
AnnaBridge 167:e84263d55307 169 LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOG);
AnnaBridge 167:e84263d55307 170 LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOG);
AnnaBridge 167:e84263d55307 171 }
AnnaBridge 167:e84263d55307 172 #endif /* GPIOG */
AnnaBridge 167:e84263d55307 173 #if defined(GPIOH)
AnnaBridge 167:e84263d55307 174 else if (GPIOx == GPIOH)
AnnaBridge 167:e84263d55307 175 {
AnnaBridge 167:e84263d55307 176 LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOH);
AnnaBridge 167:e84263d55307 177 LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOH);
AnnaBridge 167:e84263d55307 178 }
AnnaBridge 167:e84263d55307 179 #endif /* GPIOH */
AnnaBridge 167:e84263d55307 180 #if defined(GPIOI)
AnnaBridge 167:e84263d55307 181 else if (GPIOx == GPIOI)
AnnaBridge 167:e84263d55307 182 {
AnnaBridge 167:e84263d55307 183 LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOI);
AnnaBridge 167:e84263d55307 184 LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOI);
AnnaBridge 167:e84263d55307 185 }
AnnaBridge 167:e84263d55307 186 #endif /* GPIOI */
AnnaBridge 167:e84263d55307 187 else
AnnaBridge 167:e84263d55307 188 {
AnnaBridge 167:e84263d55307 189 status = ERROR;
AnnaBridge 167:e84263d55307 190 }
AnnaBridge 167:e84263d55307 191
AnnaBridge 167:e84263d55307 192 return (status);
AnnaBridge 167:e84263d55307 193 }
AnnaBridge 167:e84263d55307 194
AnnaBridge 167:e84263d55307 195 /**
AnnaBridge 167:e84263d55307 196 * @brief Initialize GPIO registers according to the specified parameters in GPIO_InitStruct.
AnnaBridge 167:e84263d55307 197 * @param GPIOx GPIO Port
AnnaBridge 167:e84263d55307 198 * @param GPIO_InitStruct: pointer to a @ref LL_GPIO_InitTypeDef structure
AnnaBridge 167:e84263d55307 199 * that contains the configuration information for the specified GPIO peripheral.
AnnaBridge 167:e84263d55307 200 * @retval An ErrorStatus enumeration value:
AnnaBridge 167:e84263d55307 201 * - SUCCESS: GPIO registers are initialized according to GPIO_InitStruct content
AnnaBridge 167:e84263d55307 202 * - ERROR: Not applicable
AnnaBridge 167:e84263d55307 203 */
AnnaBridge 167:e84263d55307 204 ErrorStatus LL_GPIO_Init(GPIO_TypeDef *GPIOx, LL_GPIO_InitTypeDef *GPIO_InitStruct)
AnnaBridge 167:e84263d55307 205 {
AnnaBridge 167:e84263d55307 206 uint32_t pinpos = 0x00000000U;
AnnaBridge 167:e84263d55307 207 uint32_t currentpin = 0x00000000U;
AnnaBridge 167:e84263d55307 208
AnnaBridge 167:e84263d55307 209 /* Check the parameters */
AnnaBridge 167:e84263d55307 210 assert_param(IS_GPIO_ALL_INSTANCE(GPIOx));
AnnaBridge 167:e84263d55307 211 assert_param(IS_LL_GPIO_PIN(GPIO_InitStruct->Pin));
AnnaBridge 167:e84263d55307 212 assert_param(IS_LL_GPIO_MODE(GPIO_InitStruct->Mode));
AnnaBridge 167:e84263d55307 213 assert_param(IS_LL_GPIO_PULL(GPIO_InitStruct->Pull));
AnnaBridge 167:e84263d55307 214
AnnaBridge 167:e84263d55307 215 /* ------------------------- Configure the port pins ---------------- */
AnnaBridge 167:e84263d55307 216 /* Initialize pinpos on first pin set */
AnnaBridge 167:e84263d55307 217 pinpos = POSITION_VAL(GPIO_InitStruct->Pin);
AnnaBridge 167:e84263d55307 218
AnnaBridge 167:e84263d55307 219 /* Configure the port pins */
AnnaBridge 167:e84263d55307 220 while (((GPIO_InitStruct->Pin) >> pinpos) != 0x00000000U)
AnnaBridge 167:e84263d55307 221 {
AnnaBridge 167:e84263d55307 222 /* Get current io position */
AnnaBridge 167:e84263d55307 223 currentpin = (GPIO_InitStruct->Pin) & (0x00000001U << pinpos);
AnnaBridge 167:e84263d55307 224
AnnaBridge 167:e84263d55307 225 if (currentpin)
AnnaBridge 167:e84263d55307 226 {
AnnaBridge 167:e84263d55307 227 /* Pin Mode configuration */
AnnaBridge 167:e84263d55307 228 LL_GPIO_SetPinMode(GPIOx, currentpin, GPIO_InitStruct->Mode);
AnnaBridge 167:e84263d55307 229
AnnaBridge 167:e84263d55307 230 if ((GPIO_InitStruct->Mode == LL_GPIO_MODE_OUTPUT) || (GPIO_InitStruct->Mode == LL_GPIO_MODE_ALTERNATE))
AnnaBridge 167:e84263d55307 231 {
AnnaBridge 167:e84263d55307 232 /* Check Speed mode parameters */
AnnaBridge 167:e84263d55307 233 assert_param(IS_LL_GPIO_SPEED(GPIO_InitStruct->Speed));
AnnaBridge 167:e84263d55307 234
AnnaBridge 167:e84263d55307 235 /* Speed mode configuration */
AnnaBridge 167:e84263d55307 236 LL_GPIO_SetPinSpeed(GPIOx, currentpin, GPIO_InitStruct->Speed);
AnnaBridge 167:e84263d55307 237 }
AnnaBridge 167:e84263d55307 238
AnnaBridge 167:e84263d55307 239 /* Pull-up Pull down resistor configuration*/
AnnaBridge 167:e84263d55307 240 LL_GPIO_SetPinPull(GPIOx, currentpin, GPIO_InitStruct->Pull);
AnnaBridge 167:e84263d55307 241
AnnaBridge 167:e84263d55307 242 if (GPIO_InitStruct->Mode == LL_GPIO_MODE_ALTERNATE)
AnnaBridge 167:e84263d55307 243 {
AnnaBridge 167:e84263d55307 244 /* Check Alternate parameter */
AnnaBridge 167:e84263d55307 245 assert_param(IS_LL_GPIO_ALTERNATE(GPIO_InitStruct->Alternate));
AnnaBridge 167:e84263d55307 246
AnnaBridge 167:e84263d55307 247 /* Speed mode configuration */
AnnaBridge 167:e84263d55307 248 if (POSITION_VAL(currentpin) < 0x00000008U)
AnnaBridge 167:e84263d55307 249 {
AnnaBridge 167:e84263d55307 250 LL_GPIO_SetAFPin_0_7(GPIOx, currentpin, GPIO_InitStruct->Alternate);
AnnaBridge 167:e84263d55307 251 }
AnnaBridge 167:e84263d55307 252 else
AnnaBridge 167:e84263d55307 253 {
AnnaBridge 167:e84263d55307 254 LL_GPIO_SetAFPin_8_15(GPIOx, currentpin, GPIO_InitStruct->Alternate);
AnnaBridge 167:e84263d55307 255 }
AnnaBridge 167:e84263d55307 256 }
AnnaBridge 167:e84263d55307 257 }
AnnaBridge 167:e84263d55307 258 pinpos++;
AnnaBridge 167:e84263d55307 259 }
AnnaBridge 167:e84263d55307 260
AnnaBridge 167:e84263d55307 261 if ((GPIO_InitStruct->Mode == LL_GPIO_MODE_OUTPUT) || (GPIO_InitStruct->Mode == LL_GPIO_MODE_ALTERNATE))
AnnaBridge 167:e84263d55307 262 {
AnnaBridge 167:e84263d55307 263 /* Check Output mode parameters */
AnnaBridge 167:e84263d55307 264 assert_param(IS_LL_GPIO_OUTPUT_TYPE(GPIO_InitStruct->OutputType));
AnnaBridge 167:e84263d55307 265
AnnaBridge 167:e84263d55307 266 /* Output mode configuration*/
AnnaBridge 167:e84263d55307 267 LL_GPIO_SetPinOutputType(GPIOx, GPIO_InitStruct->Pin, GPIO_InitStruct->OutputType);
AnnaBridge 167:e84263d55307 268
AnnaBridge 167:e84263d55307 269 }
AnnaBridge 167:e84263d55307 270 return (SUCCESS);
AnnaBridge 167:e84263d55307 271 }
AnnaBridge 167:e84263d55307 272
AnnaBridge 167:e84263d55307 273 /**
AnnaBridge 167:e84263d55307 274 * @brief Set each @ref LL_GPIO_InitTypeDef field to default value.
AnnaBridge 167:e84263d55307 275 * @param GPIO_InitStruct: pointer to a @ref LL_GPIO_InitTypeDef structure
AnnaBridge 167:e84263d55307 276 * whose fields will be set to default values.
AnnaBridge 167:e84263d55307 277 * @retval None
AnnaBridge 167:e84263d55307 278 */
AnnaBridge 167:e84263d55307 279
AnnaBridge 167:e84263d55307 280 void LL_GPIO_StructInit(LL_GPIO_InitTypeDef *GPIO_InitStruct)
AnnaBridge 167:e84263d55307 281 {
AnnaBridge 167:e84263d55307 282 /* Reset GPIO init structure parameters values */
AnnaBridge 167:e84263d55307 283 GPIO_InitStruct->Pin = LL_GPIO_PIN_ALL;
AnnaBridge 167:e84263d55307 284 GPIO_InitStruct->Mode = LL_GPIO_MODE_ANALOG;
AnnaBridge 167:e84263d55307 285 GPIO_InitStruct->Speed = LL_GPIO_SPEED_FREQ_LOW;
AnnaBridge 167:e84263d55307 286 GPIO_InitStruct->OutputType = LL_GPIO_OUTPUT_PUSHPULL;
AnnaBridge 167:e84263d55307 287 GPIO_InitStruct->Pull = LL_GPIO_PULL_NO;
AnnaBridge 167:e84263d55307 288 GPIO_InitStruct->Alternate = LL_GPIO_AF_0;
AnnaBridge 167:e84263d55307 289 }
AnnaBridge 167:e84263d55307 290
AnnaBridge 167:e84263d55307 291 /**
AnnaBridge 167:e84263d55307 292 * @}
AnnaBridge 167:e84263d55307 293 */
AnnaBridge 167:e84263d55307 294
AnnaBridge 167:e84263d55307 295 /**
AnnaBridge 167:e84263d55307 296 * @}
AnnaBridge 167:e84263d55307 297 */
AnnaBridge 167:e84263d55307 298
AnnaBridge 167:e84263d55307 299 /**
AnnaBridge 167:e84263d55307 300 * @}
AnnaBridge 167:e84263d55307 301 */
AnnaBridge 167:e84263d55307 302
AnnaBridge 167:e84263d55307 303 #endif /* defined (GPIOA) || defined (GPIOB) || defined (GPIOC) || defined (GPIOD) || defined (GPIOE) || defined (GPIOF) || defined (GPIOG) || defined (GPIOH) || defined (GPIOI) */
AnnaBridge 167:e84263d55307 304
AnnaBridge 167:e84263d55307 305 /**
AnnaBridge 167:e84263d55307 306 * @}
AnnaBridge 167:e84263d55307 307 */
AnnaBridge 167:e84263d55307 308
AnnaBridge 167:e84263d55307 309 #endif /* USE_FULL_LL_DRIVER */
AnnaBridge 167:e84263d55307 310
AnnaBridge 167:e84263d55307 311 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/