shao ziyang / mbed-src-kl05

mbed library sources

Dependents:   frdm_kl05z_gpio_test

Fork of mbed-src by mbed official

targets/cmsis/TARGET_STM/TARGET_DISCO_F100RB/stm32f10x_gpio.c@126:549ba18ddd81, 2014-03-19 (annotated)

Committer:
mbed_official
Date:
Wed Mar 19 16:00:09 2014 +0000
Revision:
126:549ba18ddd81
Synchronized with git revision cf8fd1cf86b0cd85131dd24a6ded21cc6fe04827



Full URL: https://github.com/mbedmicro/mbed/commit/cf8fd1cf86b0cd85131dd24a6ded21cc6fe04827/



Conflicts:

	workspace_tools/targets.py

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 126:549ba18ddd81 1 /**
mbed_official 126:549ba18ddd81 2 ******************************************************************************
mbed_official 126:549ba18ddd81 3 * @file stm32f10x_gpio.c
mbed_official 126:549ba18ddd81 4 * @author MCD Application Team
mbed_official 126:549ba18ddd81 5 * @version V3.6.1
mbed_official 126:549ba18ddd81 6 * @date 05-March-2012
mbed_official 126:549ba18ddd81 7 * @brief This file provides all the GPIO firmware functions.
mbed_official 126:549ba18ddd81 8 *******************************************************************************
mbed_official 126:549ba18ddd81 9 * Copyright (c) 2014, STMicroelectronics
mbed_official 126:549ba18ddd81 10 * All rights reserved.
mbed_official 126:549ba18ddd81 11 *
mbed_official 126:549ba18ddd81 12 * Redistribution and use in source and binary forms, with or without
mbed_official 126:549ba18ddd81 13 * modification, are permitted provided that the following conditions are met:
mbed_official 126:549ba18ddd81 14 *
mbed_official 126:549ba18ddd81 15 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 126:549ba18ddd81 16 * this list of conditions and the following disclaimer.
mbed_official 126:549ba18ddd81 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 126:549ba18ddd81 18 * this list of conditions and the following disclaimer in the documentation
mbed_official 126:549ba18ddd81 19 * and/or other materials provided with the distribution.
mbed_official 126:549ba18ddd81 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 126:549ba18ddd81 21 * may be used to endorse or promote products derived from this software
mbed_official 126:549ba18ddd81 22 * without specific prior written permission.
mbed_official 126:549ba18ddd81 23 *
mbed_official 126:549ba18ddd81 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 126:549ba18ddd81 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 126:549ba18ddd81 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 126:549ba18ddd81 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 126:549ba18ddd81 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 126:549ba18ddd81 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 126:549ba18ddd81 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 126:549ba18ddd81 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 126:549ba18ddd81 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 126:549ba18ddd81 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 126:549ba18ddd81 34 *******************************************************************************
mbed_official 126:549ba18ddd81 35 */
mbed_official 126:549ba18ddd81 36
mbed_official 126:549ba18ddd81 37 /* Includes ------------------------------------------------------------------*/
mbed_official 126:549ba18ddd81 38 #include "stm32f10x_gpio.h"
mbed_official 126:549ba18ddd81 39 #include "stm32f10x_rcc.h"
mbed_official 126:549ba18ddd81 40
mbed_official 126:549ba18ddd81 41 /** @addtogroup STM32F10x_StdPeriph_Driver
mbed_official 126:549ba18ddd81 42 * @{
mbed_official 126:549ba18ddd81 43 */
mbed_official 126:549ba18ddd81 44
mbed_official 126:549ba18ddd81 45 /** @defgroup GPIO
mbed_official 126:549ba18ddd81 46 * @brief GPIO driver modules
mbed_official 126:549ba18ddd81 47 * @{
mbed_official 126:549ba18ddd81 48 */
mbed_official 126:549ba18ddd81 49
mbed_official 126:549ba18ddd81 50 /** @defgroup GPIO_Private_TypesDefinitions
mbed_official 126:549ba18ddd81 51 * @{
mbed_official 126:549ba18ddd81 52 */
mbed_official 126:549ba18ddd81 53
mbed_official 126:549ba18ddd81 54 /**
mbed_official 126:549ba18ddd81 55 * @}
mbed_official 126:549ba18ddd81 56 */
mbed_official 126:549ba18ddd81 57
mbed_official 126:549ba18ddd81 58 /** @defgroup GPIO_Private_Defines
mbed_official 126:549ba18ddd81 59 * @{
mbed_official 126:549ba18ddd81 60 */
mbed_official 126:549ba18ddd81 61
mbed_official 126:549ba18ddd81 62 /* ------------ RCC registers bit address in the alias region ----------------*/
mbed_official 126:549ba18ddd81 63 #define AFIO_OFFSET (AFIO_BASE - PERIPH_BASE)
mbed_official 126:549ba18ddd81 64
mbed_official 126:549ba18ddd81 65 /* --- EVENTCR Register -----*/
mbed_official 126:549ba18ddd81 66
mbed_official 126:549ba18ddd81 67 /* Alias word address of EVOE bit */
mbed_official 126:549ba18ddd81 68 #define EVCR_OFFSET (AFIO_OFFSET + 0x00)
mbed_official 126:549ba18ddd81 69 #define EVOE_BitNumber ((uint8_t)0x07)
mbed_official 126:549ba18ddd81 70 #define EVCR_EVOE_BB (PERIPH_BB_BASE + (EVCR_OFFSET * 32) + (EVOE_BitNumber * 4))
mbed_official 126:549ba18ddd81 71
mbed_official 126:549ba18ddd81 72
mbed_official 126:549ba18ddd81 73 /* --- MAPR Register ---*/
mbed_official 126:549ba18ddd81 74 /* Alias word address of MII_RMII_SEL bit */
mbed_official 126:549ba18ddd81 75 #define MAPR_OFFSET (AFIO_OFFSET + 0x04)
mbed_official 126:549ba18ddd81 76 #define MII_RMII_SEL_BitNumber ((u8)0x17)
mbed_official 126:549ba18ddd81 77 #define MAPR_MII_RMII_SEL_BB (PERIPH_BB_BASE + (MAPR_OFFSET * 32) + (MII_RMII_SEL_BitNumber * 4))
mbed_official 126:549ba18ddd81 78
mbed_official 126:549ba18ddd81 79
mbed_official 126:549ba18ddd81 80 #define EVCR_PORTPINCONFIG_MASK ((uint16_t)0xFF80)
mbed_official 126:549ba18ddd81 81 #define LSB_MASK ((uint16_t)0xFFFF)
mbed_official 126:549ba18ddd81 82 #define DBGAFR_POSITION_MASK ((uint32_t)0x000F0000)
mbed_official 126:549ba18ddd81 83 #define DBGAFR_SWJCFG_MASK ((uint32_t)0xF0FFFFFF)
mbed_official 126:549ba18ddd81 84 #define DBGAFR_LOCATION_MASK ((uint32_t)0x00200000)
mbed_official 126:549ba18ddd81 85 #define DBGAFR_NUMBITS_MASK ((uint32_t)0x00100000)
mbed_official 126:549ba18ddd81 86 /**
mbed_official 126:549ba18ddd81 87 * @}
mbed_official 126:549ba18ddd81 88 */
mbed_official 126:549ba18ddd81 89
mbed_official 126:549ba18ddd81 90 /** @defgroup GPIO_Private_Macros
mbed_official 126:549ba18ddd81 91 * @{
mbed_official 126:549ba18ddd81 92 */
mbed_official 126:549ba18ddd81 93
mbed_official 126:549ba18ddd81 94 /**
mbed_official 126:549ba18ddd81 95 * @}
mbed_official 126:549ba18ddd81 96 */
mbed_official 126:549ba18ddd81 97
mbed_official 126:549ba18ddd81 98 /** @defgroup GPIO_Private_Variables
mbed_official 126:549ba18ddd81 99 * @{
mbed_official 126:549ba18ddd81 100 */
mbed_official 126:549ba18ddd81 101
mbed_official 126:549ba18ddd81 102 /**
mbed_official 126:549ba18ddd81 103 * @}
mbed_official 126:549ba18ddd81 104 */
mbed_official 126:549ba18ddd81 105
mbed_official 126:549ba18ddd81 106 /** @defgroup GPIO_Private_FunctionPrototypes
mbed_official 126:549ba18ddd81 107 * @{
mbed_official 126:549ba18ddd81 108 */
mbed_official 126:549ba18ddd81 109
mbed_official 126:549ba18ddd81 110 /**
mbed_official 126:549ba18ddd81 111 * @}
mbed_official 126:549ba18ddd81 112 */
mbed_official 126:549ba18ddd81 113
mbed_official 126:549ba18ddd81 114 /** @defgroup GPIO_Private_Functions
mbed_official 126:549ba18ddd81 115 * @{
mbed_official 126:549ba18ddd81 116 */
mbed_official 126:549ba18ddd81 117
mbed_official 126:549ba18ddd81 118 /**
mbed_official 126:549ba18ddd81 119 * @brief Deinitializes the GPIOx peripheral registers to their default reset values.
mbed_official 126:549ba18ddd81 120 * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
mbed_official 126:549ba18ddd81 121 * @retval None
mbed_official 126:549ba18ddd81 122 */
mbed_official 126:549ba18ddd81 123 void GPIO_DeInit(GPIO_TypeDef* GPIOx)
mbed_official 126:549ba18ddd81 124 {
mbed_official 126:549ba18ddd81 125 /* Check the parameters */
mbed_official 126:549ba18ddd81 126 assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
mbed_official 126:549ba18ddd81 127
mbed_official 126:549ba18ddd81 128 if (GPIOx == GPIOA)
mbed_official 126:549ba18ddd81 129 {
mbed_official 126:549ba18ddd81 130 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOA, ENABLE);
mbed_official 126:549ba18ddd81 131 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOA, DISABLE);
mbed_official 126:549ba18ddd81 132 }
mbed_official 126:549ba18ddd81 133 else if (GPIOx == GPIOB)
mbed_official 126:549ba18ddd81 134 {
mbed_official 126:549ba18ddd81 135 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOB, ENABLE);
mbed_official 126:549ba18ddd81 136 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOB, DISABLE);
mbed_official 126:549ba18ddd81 137 }
mbed_official 126:549ba18ddd81 138 else if (GPIOx == GPIOC)
mbed_official 126:549ba18ddd81 139 {
mbed_official 126:549ba18ddd81 140 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOC, ENABLE);
mbed_official 126:549ba18ddd81 141 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOC, DISABLE);
mbed_official 126:549ba18ddd81 142 }
mbed_official 126:549ba18ddd81 143 else if (GPIOx == GPIOD)
mbed_official 126:549ba18ddd81 144 {
mbed_official 126:549ba18ddd81 145 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOD, ENABLE);
mbed_official 126:549ba18ddd81 146 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOD, DISABLE);
mbed_official 126:549ba18ddd81 147 }
mbed_official 126:549ba18ddd81 148 else if (GPIOx == GPIOE)
mbed_official 126:549ba18ddd81 149 {
mbed_official 126:549ba18ddd81 150 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOE, ENABLE);
mbed_official 126:549ba18ddd81 151 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOE, DISABLE);
mbed_official 126:549ba18ddd81 152 }
mbed_official 126:549ba18ddd81 153 else if (GPIOx == GPIOF)
mbed_official 126:549ba18ddd81 154 {
mbed_official 126:549ba18ddd81 155 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOF, ENABLE);
mbed_official 126:549ba18ddd81 156 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOF, DISABLE);
mbed_official 126:549ba18ddd81 157 }
mbed_official 126:549ba18ddd81 158 else
mbed_official 126:549ba18ddd81 159 {
mbed_official 126:549ba18ddd81 160 if (GPIOx == GPIOG)
mbed_official 126:549ba18ddd81 161 {
mbed_official 126:549ba18ddd81 162 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOG, ENABLE);
mbed_official 126:549ba18ddd81 163 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOG, DISABLE);
mbed_official 126:549ba18ddd81 164 }
mbed_official 126:549ba18ddd81 165 }
mbed_official 126:549ba18ddd81 166 }
mbed_official 126:549ba18ddd81 167
mbed_official 126:549ba18ddd81 168 /**
mbed_official 126:549ba18ddd81 169 * @brief Deinitializes the Alternate Functions (remap, event control
mbed_official 126:549ba18ddd81 170 * and EXTI configuration) registers to their default reset values.
mbed_official 126:549ba18ddd81 171 * @param None
mbed_official 126:549ba18ddd81 172 * @retval None
mbed_official 126:549ba18ddd81 173 */
mbed_official 126:549ba18ddd81 174 void GPIO_AFIODeInit(void)
mbed_official 126:549ba18ddd81 175 {
mbed_official 126:549ba18ddd81 176 RCC_APB2PeriphResetCmd(RCC_APB2Periph_AFIO, ENABLE);
mbed_official 126:549ba18ddd81 177 RCC_APB2PeriphResetCmd(RCC_APB2Periph_AFIO, DISABLE);
mbed_official 126:549ba18ddd81 178 }
mbed_official 126:549ba18ddd81 179
mbed_official 126:549ba18ddd81 180 /**
mbed_official 126:549ba18ddd81 181 * @brief Initializes the GPIOx peripheral according to the specified
mbed_official 126:549ba18ddd81 182 * parameters in the GPIO_InitStruct.
mbed_official 126:549ba18ddd81 183 * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
mbed_official 126:549ba18ddd81 184 * @param GPIO_InitStruct: pointer to a GPIO_InitTypeDef structure that
mbed_official 126:549ba18ddd81 185 * contains the configuration information for the specified GPIO peripheral.
mbed_official 126:549ba18ddd81 186 * @retval None
mbed_official 126:549ba18ddd81 187 */
mbed_official 126:549ba18ddd81 188 void GPIO_Init(GPIO_TypeDef* GPIOx, GPIO_InitTypeDef* GPIO_InitStruct)
mbed_official 126:549ba18ddd81 189 {
mbed_official 126:549ba18ddd81 190 uint32_t currentmode = 0x00, currentpin = 0x00, pinpos = 0x00, pos = 0x00;
mbed_official 126:549ba18ddd81 191 uint32_t tmpreg = 0x00, pinmask = 0x00;
mbed_official 126:549ba18ddd81 192 /* Check the parameters */
mbed_official 126:549ba18ddd81 193 assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
mbed_official 126:549ba18ddd81 194 assert_param(IS_GPIO_MODE(GPIO_InitStruct->GPIO_Mode));
mbed_official 126:549ba18ddd81 195 assert_param(IS_GPIO_PIN(GPIO_InitStruct->GPIO_Pin));
mbed_official 126:549ba18ddd81 196
mbed_official 126:549ba18ddd81 197 /*---------------------------- GPIO Mode Configuration -----------------------*/
mbed_official 126:549ba18ddd81 198 currentmode = ((uint32_t)GPIO_InitStruct->GPIO_Mode) & ((uint32_t)0x0F);
mbed_official 126:549ba18ddd81 199 if ((((uint32_t)GPIO_InitStruct->GPIO_Mode) & ((uint32_t)0x10)) != 0x00)
mbed_official 126:549ba18ddd81 200 {
mbed_official 126:549ba18ddd81 201 /* Check the parameters */
mbed_official 126:549ba18ddd81 202 assert_param(IS_GPIO_SPEED(GPIO_InitStruct->GPIO_Speed));
mbed_official 126:549ba18ddd81 203 /* Output mode */
mbed_official 126:549ba18ddd81 204 currentmode |= (uint32_t)GPIO_InitStruct->GPIO_Speed;
mbed_official 126:549ba18ddd81 205 }
mbed_official 126:549ba18ddd81 206 /*---------------------------- GPIO CRL Configuration ------------------------*/
mbed_official 126:549ba18ddd81 207 /* Configure the eight low port pins */
mbed_official 126:549ba18ddd81 208 if (((uint32_t)GPIO_InitStruct->GPIO_Pin & ((uint32_t)0x00FF)) != 0x00)
mbed_official 126:549ba18ddd81 209 {
mbed_official 126:549ba18ddd81 210 tmpreg = GPIOx->CRL;
mbed_official 126:549ba18ddd81 211 for (pinpos = 0x00; pinpos < 0x08; pinpos++)
mbed_official 126:549ba18ddd81 212 {
mbed_official 126:549ba18ddd81 213 pos = ((uint32_t)0x01) << pinpos;
mbed_official 126:549ba18ddd81 214 /* Get the port pins position */
mbed_official 126:549ba18ddd81 215 currentpin = (GPIO_InitStruct->GPIO_Pin) & pos;
mbed_official 126:549ba18ddd81 216 if (currentpin == pos)
mbed_official 126:549ba18ddd81 217 {
mbed_official 126:549ba18ddd81 218 pos = pinpos << 2;
mbed_official 126:549ba18ddd81 219 /* Clear the corresponding low control register bits */
mbed_official 126:549ba18ddd81 220 pinmask = ((uint32_t)0x0F) << pos;
mbed_official 126:549ba18ddd81 221 tmpreg &= ~pinmask;
mbed_official 126:549ba18ddd81 222 /* Write the mode configuration in the corresponding bits */
mbed_official 126:549ba18ddd81 223 tmpreg |= (currentmode << pos);
mbed_official 126:549ba18ddd81 224 /* Reset the corresponding ODR bit */
mbed_official 126:549ba18ddd81 225 if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPD)
mbed_official 126:549ba18ddd81 226 {
mbed_official 126:549ba18ddd81 227 GPIOx->BRR = (((uint32_t)0x01) << pinpos);
mbed_official 126:549ba18ddd81 228 }
mbed_official 126:549ba18ddd81 229 else
mbed_official 126:549ba18ddd81 230 {
mbed_official 126:549ba18ddd81 231 /* Set the corresponding ODR bit */
mbed_official 126:549ba18ddd81 232 if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPU)
mbed_official 126:549ba18ddd81 233 {
mbed_official 126:549ba18ddd81 234 GPIOx->BSRR = (((uint32_t)0x01) << pinpos);
mbed_official 126:549ba18ddd81 235 }
mbed_official 126:549ba18ddd81 236 }
mbed_official 126:549ba18ddd81 237 }
mbed_official 126:549ba18ddd81 238 }
mbed_official 126:549ba18ddd81 239 GPIOx->CRL = tmpreg;
mbed_official 126:549ba18ddd81 240 }
mbed_official 126:549ba18ddd81 241 /*---------------------------- GPIO CRH Configuration ------------------------*/
mbed_official 126:549ba18ddd81 242 /* Configure the eight high port pins */
mbed_official 126:549ba18ddd81 243 if (GPIO_InitStruct->GPIO_Pin > 0x00FF)
mbed_official 126:549ba18ddd81 244 {
mbed_official 126:549ba18ddd81 245 tmpreg = GPIOx->CRH;
mbed_official 126:549ba18ddd81 246 for (pinpos = 0x00; pinpos < 0x08; pinpos++)
mbed_official 126:549ba18ddd81 247 {
mbed_official 126:549ba18ddd81 248 pos = (((uint32_t)0x01) << (pinpos + 0x08));
mbed_official 126:549ba18ddd81 249 /* Get the port pins position */
mbed_official 126:549ba18ddd81 250 currentpin = ((GPIO_InitStruct->GPIO_Pin) & pos);
mbed_official 126:549ba18ddd81 251 if (currentpin == pos)
mbed_official 126:549ba18ddd81 252 {
mbed_official 126:549ba18ddd81 253 pos = pinpos << 2;
mbed_official 126:549ba18ddd81 254 /* Clear the corresponding high control register bits */
mbed_official 126:549ba18ddd81 255 pinmask = ((uint32_t)0x0F) << pos;
mbed_official 126:549ba18ddd81 256 tmpreg &= ~pinmask;
mbed_official 126:549ba18ddd81 257 /* Write the mode configuration in the corresponding bits */
mbed_official 126:549ba18ddd81 258 tmpreg |= (currentmode << pos);
mbed_official 126:549ba18ddd81 259 /* Reset the corresponding ODR bit */
mbed_official 126:549ba18ddd81 260 if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPD)
mbed_official 126:549ba18ddd81 261 {
mbed_official 126:549ba18ddd81 262 GPIOx->BRR = (((uint32_t)0x01) << (pinpos + 0x08));
mbed_official 126:549ba18ddd81 263 }
mbed_official 126:549ba18ddd81 264 /* Set the corresponding ODR bit */
mbed_official 126:549ba18ddd81 265 if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPU)
mbed_official 126:549ba18ddd81 266 {
mbed_official 126:549ba18ddd81 267 GPIOx->BSRR = (((uint32_t)0x01) << (pinpos + 0x08));
mbed_official 126:549ba18ddd81 268 }
mbed_official 126:549ba18ddd81 269 }
mbed_official 126:549ba18ddd81 270 }
mbed_official 126:549ba18ddd81 271 GPIOx->CRH = tmpreg;
mbed_official 126:549ba18ddd81 272 }
mbed_official 126:549ba18ddd81 273 }
mbed_official 126:549ba18ddd81 274
mbed_official 126:549ba18ddd81 275 /**
mbed_official 126:549ba18ddd81 276 * @brief Fills each GPIO_InitStruct member with its default value.
mbed_official 126:549ba18ddd81 277 * @param GPIO_InitStruct : pointer to a GPIO_InitTypeDef structure which will
mbed_official 126:549ba18ddd81 278 * be initialized.
mbed_official 126:549ba18ddd81 279 * @retval None
mbed_official 126:549ba18ddd81 280 */
mbed_official 126:549ba18ddd81 281 void GPIO_StructInit(GPIO_InitTypeDef* GPIO_InitStruct)
mbed_official 126:549ba18ddd81 282 {
mbed_official 126:549ba18ddd81 283 /* Reset GPIO init structure parameters values */
mbed_official 126:549ba18ddd81 284 GPIO_InitStruct->GPIO_Pin = GPIO_Pin_All;
mbed_official 126:549ba18ddd81 285 GPIO_InitStruct->GPIO_Speed = GPIO_Speed_2MHz;
mbed_official 126:549ba18ddd81 286 GPIO_InitStruct->GPIO_Mode = GPIO_Mode_IN_FLOATING;
mbed_official 126:549ba18ddd81 287 }
mbed_official 126:549ba18ddd81 288
mbed_official 126:549ba18ddd81 289 /**
mbed_official 126:549ba18ddd81 290 * @brief Reads the specified input port pin.
mbed_official 126:549ba18ddd81 291 * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
mbed_official 126:549ba18ddd81 292 * @param GPIO_Pin: specifies the port bit to read.
mbed_official 126:549ba18ddd81 293 * This parameter can be GPIO_Pin_x where x can be (0..15).
mbed_official 126:549ba18ddd81 294 * @retval The input port pin value.
mbed_official 126:549ba18ddd81 295 */
mbed_official 126:549ba18ddd81 296 uint8_t GPIO_ReadInputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
mbed_official 126:549ba18ddd81 297 {
mbed_official 126:549ba18ddd81 298 uint8_t bitstatus = 0x00;
mbed_official 126:549ba18ddd81 299
mbed_official 126:549ba18ddd81 300 /* Check the parameters */
mbed_official 126:549ba18ddd81 301 assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
mbed_official 126:549ba18ddd81 302 assert_param(IS_GET_GPIO_PIN(GPIO_Pin));
mbed_official 126:549ba18ddd81 303
mbed_official 126:549ba18ddd81 304 if ((GPIOx->IDR & GPIO_Pin) != (uint32_t)Bit_RESET)
mbed_official 126:549ba18ddd81 305 {
mbed_official 126:549ba18ddd81 306 bitstatus = (uint8_t)Bit_SET;
mbed_official 126:549ba18ddd81 307 }
mbed_official 126:549ba18ddd81 308 else
mbed_official 126:549ba18ddd81 309 {
mbed_official 126:549ba18ddd81 310 bitstatus = (uint8_t)Bit_RESET;
mbed_official 126:549ba18ddd81 311 }
mbed_official 126:549ba18ddd81 312 return bitstatus;
mbed_official 126:549ba18ddd81 313 }
mbed_official 126:549ba18ddd81 314
mbed_official 126:549ba18ddd81 315 /**
mbed_official 126:549ba18ddd81 316 * @brief Reads the specified GPIO input data port.
mbed_official 126:549ba18ddd81 317 * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
mbed_official 126:549ba18ddd81 318 * @retval GPIO input data port value.
mbed_official 126:549ba18ddd81 319 */
mbed_official 126:549ba18ddd81 320 uint16_t GPIO_ReadInputData(GPIO_TypeDef* GPIOx)
mbed_official 126:549ba18ddd81 321 {
mbed_official 126:549ba18ddd81 322 /* Check the parameters */
mbed_official 126:549ba18ddd81 323 assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
mbed_official 126:549ba18ddd81 324
mbed_official 126:549ba18ddd81 325 return ((uint16_t)GPIOx->IDR);
mbed_official 126:549ba18ddd81 326 }
mbed_official 126:549ba18ddd81 327
mbed_official 126:549ba18ddd81 328 /**
mbed_official 126:549ba18ddd81 329 * @brief Reads the specified output data port bit.
mbed_official 126:549ba18ddd81 330 * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
mbed_official 126:549ba18ddd81 331 * @param GPIO_Pin: specifies the port bit to read.
mbed_official 126:549ba18ddd81 332 * This parameter can be GPIO_Pin_x where x can be (0..15).
mbed_official 126:549ba18ddd81 333 * @retval The output port pin value.
mbed_official 126:549ba18ddd81 334 */
mbed_official 126:549ba18ddd81 335 uint8_t GPIO_ReadOutputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
mbed_official 126:549ba18ddd81 336 {
mbed_official 126:549ba18ddd81 337 uint8_t bitstatus = 0x00;
mbed_official 126:549ba18ddd81 338 /* Check the parameters */
mbed_official 126:549ba18ddd81 339 assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
mbed_official 126:549ba18ddd81 340 assert_param(IS_GET_GPIO_PIN(GPIO_Pin));
mbed_official 126:549ba18ddd81 341
mbed_official 126:549ba18ddd81 342 if ((GPIOx->ODR & GPIO_Pin) != (uint32_t)Bit_RESET)
mbed_official 126:549ba18ddd81 343 {
mbed_official 126:549ba18ddd81 344 bitstatus = (uint8_t)Bit_SET;
mbed_official 126:549ba18ddd81 345 }
mbed_official 126:549ba18ddd81 346 else
mbed_official 126:549ba18ddd81 347 {
mbed_official 126:549ba18ddd81 348 bitstatus = (uint8_t)Bit_RESET;
mbed_official 126:549ba18ddd81 349 }
mbed_official 126:549ba18ddd81 350 return bitstatus;
mbed_official 126:549ba18ddd81 351 }
mbed_official 126:549ba18ddd81 352
mbed_official 126:549ba18ddd81 353 /**
mbed_official 126:549ba18ddd81 354 * @brief Reads the specified GPIO output data port.
mbed_official 126:549ba18ddd81 355 * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
mbed_official 126:549ba18ddd81 356 * @retval GPIO output data port value.
mbed_official 126:549ba18ddd81 357 */
mbed_official 126:549ba18ddd81 358 uint16_t GPIO_ReadOutputData(GPIO_TypeDef* GPIOx)
mbed_official 126:549ba18ddd81 359 {
mbed_official 126:549ba18ddd81 360 /* Check the parameters */
mbed_official 126:549ba18ddd81 361 assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
mbed_official 126:549ba18ddd81 362
mbed_official 126:549ba18ddd81 363 return ((uint16_t)GPIOx->ODR);
mbed_official 126:549ba18ddd81 364 }
mbed_official 126:549ba18ddd81 365
mbed_official 126:549ba18ddd81 366 /**
mbed_official 126:549ba18ddd81 367 * @brief Sets the selected data port bits.
mbed_official 126:549ba18ddd81 368 * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
mbed_official 126:549ba18ddd81 369 * @param GPIO_Pin: specifies the port bits to be written.
mbed_official 126:549ba18ddd81 370 * This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
mbed_official 126:549ba18ddd81 371 * @retval None
mbed_official 126:549ba18ddd81 372 */
mbed_official 126:549ba18ddd81 373 void GPIO_SetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
mbed_official 126:549ba18ddd81 374 {
mbed_official 126:549ba18ddd81 375 /* Check the parameters */
mbed_official 126:549ba18ddd81 376 assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
mbed_official 126:549ba18ddd81 377 assert_param(IS_GPIO_PIN(GPIO_Pin));
mbed_official 126:549ba18ddd81 378
mbed_official 126:549ba18ddd81 379 GPIOx->BSRR = GPIO_Pin;
mbed_official 126:549ba18ddd81 380 }
mbed_official 126:549ba18ddd81 381
mbed_official 126:549ba18ddd81 382 /**
mbed_official 126:549ba18ddd81 383 * @brief Clears the selected data port bits.
mbed_official 126:549ba18ddd81 384 * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
mbed_official 126:549ba18ddd81 385 * @param GPIO_Pin: specifies the port bits to be written.
mbed_official 126:549ba18ddd81 386 * This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
mbed_official 126:549ba18ddd81 387 * @retval None
mbed_official 126:549ba18ddd81 388 */
mbed_official 126:549ba18ddd81 389 void GPIO_ResetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
mbed_official 126:549ba18ddd81 390 {
mbed_official 126:549ba18ddd81 391 /* Check the parameters */
mbed_official 126:549ba18ddd81 392 assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
mbed_official 126:549ba18ddd81 393 assert_param(IS_GPIO_PIN(GPIO_Pin));
mbed_official 126:549ba18ddd81 394
mbed_official 126:549ba18ddd81 395 GPIOx->BRR = GPIO_Pin;
mbed_official 126:549ba18ddd81 396 }
mbed_official 126:549ba18ddd81 397
mbed_official 126:549ba18ddd81 398 /**
mbed_official 126:549ba18ddd81 399 * @brief Sets or clears the selected data port bit.
mbed_official 126:549ba18ddd81 400 * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
mbed_official 126:549ba18ddd81 401 * @param GPIO_Pin: specifies the port bit to be written.
mbed_official 126:549ba18ddd81 402 * This parameter can be one of GPIO_Pin_x where x can be (0..15).
mbed_official 126:549ba18ddd81 403 * @param BitVal: specifies the value to be written to the selected bit.
mbed_official 126:549ba18ddd81 404 * This parameter can be one of the BitAction enum values:
mbed_official 126:549ba18ddd81 405 * @arg Bit_RESET: to clear the port pin
mbed_official 126:549ba18ddd81 406 * @arg Bit_SET: to set the port pin
mbed_official 126:549ba18ddd81 407 * @retval None
mbed_official 126:549ba18ddd81 408 */
mbed_official 126:549ba18ddd81 409 void GPIO_WriteBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, BitAction BitVal)
mbed_official 126:549ba18ddd81 410 {
mbed_official 126:549ba18ddd81 411 /* Check the parameters */
mbed_official 126:549ba18ddd81 412 assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
mbed_official 126:549ba18ddd81 413 assert_param(IS_GET_GPIO_PIN(GPIO_Pin));
mbed_official 126:549ba18ddd81 414 assert_param(IS_GPIO_BIT_ACTION(BitVal));
mbed_official 126:549ba18ddd81 415
mbed_official 126:549ba18ddd81 416 if (BitVal != Bit_RESET)
mbed_official 126:549ba18ddd81 417 {
mbed_official 126:549ba18ddd81 418 GPIOx->BSRR = GPIO_Pin;
mbed_official 126:549ba18ddd81 419 }
mbed_official 126:549ba18ddd81 420 else
mbed_official 126:549ba18ddd81 421 {
mbed_official 126:549ba18ddd81 422 GPIOx->BRR = GPIO_Pin;
mbed_official 126:549ba18ddd81 423 }
mbed_official 126:549ba18ddd81 424 }
mbed_official 126:549ba18ddd81 425
mbed_official 126:549ba18ddd81 426 /**
mbed_official 126:549ba18ddd81 427 * @brief Writes data to the specified GPIO data port.
mbed_official 126:549ba18ddd81 428 * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
mbed_official 126:549ba18ddd81 429 * @param PortVal: specifies the value to be written to the port output data register.
mbed_official 126:549ba18ddd81 430 * @retval None
mbed_official 126:549ba18ddd81 431 */
mbed_official 126:549ba18ddd81 432 void GPIO_Write(GPIO_TypeDef* GPIOx, uint16_t PortVal)
mbed_official 126:549ba18ddd81 433 {
mbed_official 126:549ba18ddd81 434 /* Check the parameters */
mbed_official 126:549ba18ddd81 435 assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
mbed_official 126:549ba18ddd81 436
mbed_official 126:549ba18ddd81 437 GPIOx->ODR = PortVal;
mbed_official 126:549ba18ddd81 438 }
mbed_official 126:549ba18ddd81 439
mbed_official 126:549ba18ddd81 440 /**
mbed_official 126:549ba18ddd81 441 * @brief Locks GPIO Pins configuration registers.
mbed_official 126:549ba18ddd81 442 * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
mbed_official 126:549ba18ddd81 443 * @param GPIO_Pin: specifies the port bit to be written.
mbed_official 126:549ba18ddd81 444 * This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
mbed_official 126:549ba18ddd81 445 * @retval None
mbed_official 126:549ba18ddd81 446 */
mbed_official 126:549ba18ddd81 447 void GPIO_PinLockConfig(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
mbed_official 126:549ba18ddd81 448 {
mbed_official 126:549ba18ddd81 449 uint32_t tmp = 0x00010000;
mbed_official 126:549ba18ddd81 450
mbed_official 126:549ba18ddd81 451 /* Check the parameters */
mbed_official 126:549ba18ddd81 452 assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
mbed_official 126:549ba18ddd81 453 assert_param(IS_GPIO_PIN(GPIO_Pin));
mbed_official 126:549ba18ddd81 454
mbed_official 126:549ba18ddd81 455 tmp |= GPIO_Pin;
mbed_official 126:549ba18ddd81 456 /* Set LCKK bit */
mbed_official 126:549ba18ddd81 457 GPIOx->LCKR = tmp;
mbed_official 126:549ba18ddd81 458 /* Reset LCKK bit */
mbed_official 126:549ba18ddd81 459 GPIOx->LCKR = GPIO_Pin;
mbed_official 126:549ba18ddd81 460 /* Set LCKK bit */
mbed_official 126:549ba18ddd81 461 GPIOx->LCKR = tmp;
mbed_official 126:549ba18ddd81 462 /* Read LCKK bit*/
mbed_official 126:549ba18ddd81 463 tmp = GPIOx->LCKR;
mbed_official 126:549ba18ddd81 464 /* Read LCKK bit*/
mbed_official 126:549ba18ddd81 465 tmp = GPIOx->LCKR;
mbed_official 126:549ba18ddd81 466 }
mbed_official 126:549ba18ddd81 467
mbed_official 126:549ba18ddd81 468 /**
mbed_official 126:549ba18ddd81 469 * @brief Selects the GPIO pin used as Event output.
mbed_official 126:549ba18ddd81 470 * @param GPIO_PortSource: selects the GPIO port to be used as source
mbed_official 126:549ba18ddd81 471 * for Event output.
mbed_official 126:549ba18ddd81 472 * This parameter can be GPIO_PortSourceGPIOx where x can be (A..E).
mbed_official 126:549ba18ddd81 473 * @param GPIO_PinSource: specifies the pin for the Event output.
mbed_official 126:549ba18ddd81 474 * This parameter can be GPIO_PinSourcex where x can be (0..15).
mbed_official 126:549ba18ddd81 475 * @retval None
mbed_official 126:549ba18ddd81 476 */
mbed_official 126:549ba18ddd81 477 void GPIO_EventOutputConfig(uint8_t GPIO_PortSource, uint8_t GPIO_PinSource)
mbed_official 126:549ba18ddd81 478 {
mbed_official 126:549ba18ddd81 479 uint32_t tmpreg = 0x00;
mbed_official 126:549ba18ddd81 480 /* Check the parameters */
mbed_official 126:549ba18ddd81 481 assert_param(IS_GPIO_EVENTOUT_PORT_SOURCE(GPIO_PortSource));
mbed_official 126:549ba18ddd81 482 assert_param(IS_GPIO_PIN_SOURCE(GPIO_PinSource));
mbed_official 126:549ba18ddd81 483
mbed_official 126:549ba18ddd81 484 tmpreg = AFIO->EVCR;
mbed_official 126:549ba18ddd81 485 /* Clear the PORT[6:4] and PIN[3:0] bits */
mbed_official 126:549ba18ddd81 486 tmpreg &= EVCR_PORTPINCONFIG_MASK;
mbed_official 126:549ba18ddd81 487 tmpreg |= (uint32_t)GPIO_PortSource << 0x04;
mbed_official 126:549ba18ddd81 488 tmpreg |= GPIO_PinSource;
mbed_official 126:549ba18ddd81 489 AFIO->EVCR = tmpreg;
mbed_official 126:549ba18ddd81 490 }
mbed_official 126:549ba18ddd81 491
mbed_official 126:549ba18ddd81 492 /**
mbed_official 126:549ba18ddd81 493 * @brief Enables or disables the Event Output.
mbed_official 126:549ba18ddd81 494 * @param NewState: new state of the Event output.
mbed_official 126:549ba18ddd81 495 * This parameter can be: ENABLE or DISABLE.
mbed_official 126:549ba18ddd81 496 * @retval None
mbed_official 126:549ba18ddd81 497 */
mbed_official 126:549ba18ddd81 498 void GPIO_EventOutputCmd(FunctionalState NewState)
mbed_official 126:549ba18ddd81 499 {
mbed_official 126:549ba18ddd81 500 /* Check the parameters */
mbed_official 126:549ba18ddd81 501 assert_param(IS_FUNCTIONAL_STATE(NewState));
mbed_official 126:549ba18ddd81 502
mbed_official 126:549ba18ddd81 503 *(__IO uint32_t *) EVCR_EVOE_BB = (uint32_t)NewState;
mbed_official 126:549ba18ddd81 504 }
mbed_official 126:549ba18ddd81 505
mbed_official 126:549ba18ddd81 506 /**
mbed_official 126:549ba18ddd81 507 * @brief Changes the mapping of the specified pin.
mbed_official 126:549ba18ddd81 508 * @param GPIO_Remap: selects the pin to remap.
mbed_official 126:549ba18ddd81 509 * This parameter can be one of the following values:
mbed_official 126:549ba18ddd81 510 * @arg GPIO_Remap_SPI1 : SPI1 Alternate Function mapping
mbed_official 126:549ba18ddd81 511 * @arg GPIO_Remap_I2C1 : I2C1 Alternate Function mapping
mbed_official 126:549ba18ddd81 512 * @arg GPIO_Remap_USART1 : USART1 Alternate Function mapping
mbed_official 126:549ba18ddd81 513 * @arg GPIO_Remap_USART2 : USART2 Alternate Function mapping
mbed_official 126:549ba18ddd81 514 * @arg GPIO_PartialRemap_USART3 : USART3 Partial Alternate Function mapping
mbed_official 126:549ba18ddd81 515 * @arg GPIO_FullRemap_USART3 : USART3 Full Alternate Function mapping
mbed_official 126:549ba18ddd81 516 * @arg GPIO_PartialRemap_TIM1 : TIM1 Partial Alternate Function mapping
mbed_official 126:549ba18ddd81 517 * @arg GPIO_FullRemap_TIM1 : TIM1 Full Alternate Function mapping
mbed_official 126:549ba18ddd81 518 * @arg GPIO_PartialRemap1_TIM2 : TIM2 Partial1 Alternate Function mapping
mbed_official 126:549ba18ddd81 519 * @arg GPIO_PartialRemap2_TIM2 : TIM2 Partial2 Alternate Function mapping
mbed_official 126:549ba18ddd81 520 * @arg GPIO_FullRemap_TIM2 : TIM2 Full Alternate Function mapping
mbed_official 126:549ba18ddd81 521 * @arg GPIO_PartialRemap_TIM3 : TIM3 Partial Alternate Function mapping
mbed_official 126:549ba18ddd81 522 * @arg GPIO_FullRemap_TIM3 : TIM3 Full Alternate Function mapping
mbed_official 126:549ba18ddd81 523 * @arg GPIO_Remap_TIM4 : TIM4 Alternate Function mapping
mbed_official 126:549ba18ddd81 524 * @arg GPIO_Remap1_CAN1 : CAN1 Alternate Function mapping
mbed_official 126:549ba18ddd81 525 * @arg GPIO_Remap2_CAN1 : CAN1 Alternate Function mapping
mbed_official 126:549ba18ddd81 526 * @arg GPIO_Remap_PD01 : PD01 Alternate Function mapping
mbed_official 126:549ba18ddd81 527 * @arg GPIO_Remap_TIM5CH4_LSI : LSI connected to TIM5 Channel4 input capture for calibration
mbed_official 126:549ba18ddd81 528 * @arg GPIO_Remap_ADC1_ETRGINJ : ADC1 External Trigger Injected Conversion remapping
mbed_official 126:549ba18ddd81 529 * @arg GPIO_Remap_ADC1_ETRGREG : ADC1 External Trigger Regular Conversion remapping
mbed_official 126:549ba18ddd81 530 * @arg GPIO_Remap_ADC2_ETRGINJ : ADC2 External Trigger Injected Conversion remapping
mbed_official 126:549ba18ddd81 531 * @arg GPIO_Remap_ADC2_ETRGREG : ADC2 External Trigger Regular Conversion remapping
mbed_official 126:549ba18ddd81 532 * @arg GPIO_Remap_ETH : Ethernet remapping (only for Connectivity line devices)
mbed_official 126:549ba18ddd81 533 * @arg GPIO_Remap_CAN2 : CAN2 remapping (only for Connectivity line devices)
mbed_official 126:549ba18ddd81 534 * @arg GPIO_Remap_SWJ_NoJTRST : Full SWJ Enabled (JTAG-DP + SW-DP) but without JTRST
mbed_official 126:549ba18ddd81 535 * @arg GPIO_Remap_SWJ_JTAGDisable : JTAG-DP Disabled and SW-DP Enabled
mbed_official 126:549ba18ddd81 536 * @arg GPIO_Remap_SWJ_Disable : Full SWJ Disabled (JTAG-DP + SW-DP)
mbed_official 126:549ba18ddd81 537 * @arg GPIO_Remap_SPI3 : SPI3/I2S3 Alternate Function mapping (only for Connectivity line devices)
mbed_official 126:549ba18ddd81 538 * When the SPI3/I2S3 is remapped using this function, the SWJ is configured
mbed_official 126:549ba18ddd81 539 * to Full SWJ Enabled (JTAG-DP + SW-DP) but without JTRST.
mbed_official 126:549ba18ddd81 540 * @arg GPIO_Remap_TIM2ITR1_PTP_SOF : Ethernet PTP output or USB OTG SOF (Start of Frame) connected
mbed_official 126:549ba18ddd81 541 * to TIM2 Internal Trigger 1 for calibration (only for Connectivity line devices)
mbed_official 126:549ba18ddd81 542 * If the GPIO_Remap_TIM2ITR1_PTP_SOF is enabled the TIM2 ITR1 is connected to
mbed_official 126:549ba18ddd81 543 * Ethernet PTP output. When Reset TIM2 ITR1 is connected to USB OTG SOF output.
mbed_official 126:549ba18ddd81 544 * @arg GPIO_Remap_PTP_PPS : Ethernet MAC PPS_PTS output on PB05 (only for Connectivity line devices)
mbed_official 126:549ba18ddd81 545 * @arg GPIO_Remap_TIM15 : TIM15 Alternate Function mapping (only for Value line devices)
mbed_official 126:549ba18ddd81 546 * @arg GPIO_Remap_TIM16 : TIM16 Alternate Function mapping (only for Value line devices)
mbed_official 126:549ba18ddd81 547 * @arg GPIO_Remap_TIM17 : TIM17 Alternate Function mapping (only for Value line devices)
mbed_official 126:549ba18ddd81 548 * @arg GPIO_Remap_CEC : CEC Alternate Function mapping (only for Value line devices)
mbed_official 126:549ba18ddd81 549 * @arg GPIO_Remap_TIM1_DMA : TIM1 DMA requests mapping (only for Value line devices)
mbed_official 126:549ba18ddd81 550 * @arg GPIO_Remap_TIM9 : TIM9 Alternate Function mapping (only for XL-density devices)
mbed_official 126:549ba18ddd81 551 * @arg GPIO_Remap_TIM10 : TIM10 Alternate Function mapping (only for XL-density devices)
mbed_official 126:549ba18ddd81 552 * @arg GPIO_Remap_TIM11 : TIM11 Alternate Function mapping (only for XL-density devices)
mbed_official 126:549ba18ddd81 553 * @arg GPIO_Remap_TIM13 : TIM13 Alternate Function mapping (only for High density Value line and XL-density devices)
mbed_official 126:549ba18ddd81 554 * @arg GPIO_Remap_TIM14 : TIM14 Alternate Function mapping (only for High density Value line and XL-density devices)
mbed_official 126:549ba18ddd81 555 * @arg GPIO_Remap_FSMC_NADV : FSMC_NADV Alternate Function mapping (only for High density Value line and XL-density devices)
mbed_official 126:549ba18ddd81 556 * @arg GPIO_Remap_TIM67_DAC_DMA : TIM6/TIM7 and DAC DMA requests remapping (only for High density Value line devices)
mbed_official 126:549ba18ddd81 557 * @arg GPIO_Remap_TIM12 : TIM12 Alternate Function mapping (only for High density Value line devices)
mbed_official 126:549ba18ddd81 558 * @arg GPIO_Remap_MISC : Miscellaneous Remap (DMA2 Channel5 Position and DAC Trigger remapping,
mbed_official 126:549ba18ddd81 559 * only for High density Value line devices)
mbed_official 126:549ba18ddd81 560 * @param NewState: new state of the port pin remapping.
mbed_official 126:549ba18ddd81 561 * This parameter can be: ENABLE or DISABLE.
mbed_official 126:549ba18ddd81 562 * @retval None
mbed_official 126:549ba18ddd81 563 */
mbed_official 126:549ba18ddd81 564 void GPIO_PinRemapConfig(uint32_t GPIO_Remap, FunctionalState NewState)
mbed_official 126:549ba18ddd81 565 {
mbed_official 126:549ba18ddd81 566 uint32_t tmp = 0x00, tmp1 = 0x00, tmpreg = 0x00, tmpmask = 0x00;
mbed_official 126:549ba18ddd81 567
mbed_official 126:549ba18ddd81 568 /* Check the parameters */
mbed_official 126:549ba18ddd81 569 assert_param(IS_GPIO_REMAP(GPIO_Remap));
mbed_official 126:549ba18ddd81 570 assert_param(IS_FUNCTIONAL_STATE(NewState));
mbed_official 126:549ba18ddd81 571
mbed_official 126:549ba18ddd81 572 if((GPIO_Remap & 0x80000000) == 0x80000000)
mbed_official 126:549ba18ddd81 573 {
mbed_official 126:549ba18ddd81 574 tmpreg = AFIO->MAPR2;
mbed_official 126:549ba18ddd81 575 }
mbed_official 126:549ba18ddd81 576 else
mbed_official 126:549ba18ddd81 577 {
mbed_official 126:549ba18ddd81 578 tmpreg = AFIO->MAPR;
mbed_official 126:549ba18ddd81 579 }
mbed_official 126:549ba18ddd81 580
mbed_official 126:549ba18ddd81 581 tmpmask = (GPIO_Remap & DBGAFR_POSITION_MASK) >> 0x10;
mbed_official 126:549ba18ddd81 582 tmp = GPIO_Remap & LSB_MASK;
mbed_official 126:549ba18ddd81 583
mbed_official 126:549ba18ddd81 584 if ((GPIO_Remap & (DBGAFR_LOCATION_MASK | DBGAFR_NUMBITS_MASK)) == (DBGAFR_LOCATION_MASK | DBGAFR_NUMBITS_MASK))
mbed_official 126:549ba18ddd81 585 {
mbed_official 126:549ba18ddd81 586 tmpreg &= DBGAFR_SWJCFG_MASK;
mbed_official 126:549ba18ddd81 587 AFIO->MAPR &= DBGAFR_SWJCFG_MASK;
mbed_official 126:549ba18ddd81 588 }
mbed_official 126:549ba18ddd81 589 else if ((GPIO_Remap & DBGAFR_NUMBITS_MASK) == DBGAFR_NUMBITS_MASK)
mbed_official 126:549ba18ddd81 590 {
mbed_official 126:549ba18ddd81 591 tmp1 = ((uint32_t)0x03) << tmpmask;
mbed_official 126:549ba18ddd81 592 tmpreg &= ~tmp1;
mbed_official 126:549ba18ddd81 593 tmpreg |= ~DBGAFR_SWJCFG_MASK;
mbed_official 126:549ba18ddd81 594 }
mbed_official 126:549ba18ddd81 595 else
mbed_official 126:549ba18ddd81 596 {
mbed_official 126:549ba18ddd81 597 tmpreg &= ~(tmp << ((GPIO_Remap >> 0x15)*0x10));
mbed_official 126:549ba18ddd81 598 tmpreg |= ~DBGAFR_SWJCFG_MASK;
mbed_official 126:549ba18ddd81 599 }
mbed_official 126:549ba18ddd81 600
mbed_official 126:549ba18ddd81 601 if (NewState != DISABLE)
mbed_official 126:549ba18ddd81 602 {
mbed_official 126:549ba18ddd81 603 tmpreg |= (tmp << ((GPIO_Remap >> 0x15)*0x10));
mbed_official 126:549ba18ddd81 604 }
mbed_official 126:549ba18ddd81 605
mbed_official 126:549ba18ddd81 606 if((GPIO_Remap & 0x80000000) == 0x80000000)
mbed_official 126:549ba18ddd81 607 {
mbed_official 126:549ba18ddd81 608 AFIO->MAPR2 = tmpreg;
mbed_official 126:549ba18ddd81 609 }
mbed_official 126:549ba18ddd81 610 else
mbed_official 126:549ba18ddd81 611 {
mbed_official 126:549ba18ddd81 612 AFIO->MAPR = tmpreg;
mbed_official 126:549ba18ddd81 613 }
mbed_official 126:549ba18ddd81 614 }
mbed_official 126:549ba18ddd81 615
mbed_official 126:549ba18ddd81 616 /**
mbed_official 126:549ba18ddd81 617 * @brief Selects the GPIO pin used as EXTI Line.
mbed_official 126:549ba18ddd81 618 * @param GPIO_PortSource: selects the GPIO port to be used as source for EXTI lines.
mbed_official 126:549ba18ddd81 619 * This parameter can be GPIO_PortSourceGPIOx where x can be (A..G).
mbed_official 126:549ba18ddd81 620 * @param GPIO_PinSource: specifies the EXTI line to be configured.
mbed_official 126:549ba18ddd81 621 * This parameter can be GPIO_PinSourcex where x can be (0..15).
mbed_official 126:549ba18ddd81 622 * @retval None
mbed_official 126:549ba18ddd81 623 */
mbed_official 126:549ba18ddd81 624 void GPIO_EXTILineConfig(uint8_t GPIO_PortSource, uint8_t GPIO_PinSource)
mbed_official 126:549ba18ddd81 625 {
mbed_official 126:549ba18ddd81 626 uint32_t tmp = 0x00;
mbed_official 126:549ba18ddd81 627 /* Check the parameters */
mbed_official 126:549ba18ddd81 628 assert_param(IS_GPIO_EXTI_PORT_SOURCE(GPIO_PortSource));
mbed_official 126:549ba18ddd81 629 assert_param(IS_GPIO_PIN_SOURCE(GPIO_PinSource));
mbed_official 126:549ba18ddd81 630
mbed_official 126:549ba18ddd81 631 tmp = ((uint32_t)0x0F) << (0x04 * (GPIO_PinSource & (uint8_t)0x03));
mbed_official 126:549ba18ddd81 632 AFIO->EXTICR[GPIO_PinSource >> 0x02] &= ~tmp;
mbed_official 126:549ba18ddd81 633 AFIO->EXTICR[GPIO_PinSource >> 0x02] |= (((uint32_t)GPIO_PortSource) << (0x04 * (GPIO_PinSource & (uint8_t)0x03)));
mbed_official 126:549ba18ddd81 634 }
mbed_official 126:549ba18ddd81 635
mbed_official 126:549ba18ddd81 636 /**
mbed_official 126:549ba18ddd81 637 * @brief Selects the Ethernet media interface.
mbed_official 126:549ba18ddd81 638 * @note This function applies only to STM32 Connectivity line devices.
mbed_official 126:549ba18ddd81 639 * @param GPIO_ETH_MediaInterface: specifies the Media Interface mode.
mbed_official 126:549ba18ddd81 640 * This parameter can be one of the following values:
mbed_official 126:549ba18ddd81 641 * @arg GPIO_ETH_MediaInterface_MII: MII mode
mbed_official 126:549ba18ddd81 642 * @arg GPIO_ETH_MediaInterface_RMII: RMII mode
mbed_official 126:549ba18ddd81 643 * @retval None
mbed_official 126:549ba18ddd81 644 */
mbed_official 126:549ba18ddd81 645 void GPIO_ETH_MediaInterfaceConfig(uint32_t GPIO_ETH_MediaInterface)
mbed_official 126:549ba18ddd81 646 {
mbed_official 126:549ba18ddd81 647 assert_param(IS_GPIO_ETH_MEDIA_INTERFACE(GPIO_ETH_MediaInterface));
mbed_official 126:549ba18ddd81 648
mbed_official 126:549ba18ddd81 649 /* Configure MII_RMII selection bit */
mbed_official 126:549ba18ddd81 650 *(__IO uint32_t *) MAPR_MII_RMII_SEL_BB = GPIO_ETH_MediaInterface;
mbed_official 126:549ba18ddd81 651 }
mbed_official 126:549ba18ddd81 652
mbed_official 126:549ba18ddd81 653 /**
mbed_official 126:549ba18ddd81 654 * @}
mbed_official 126:549ba18ddd81 655 */
mbed_official 126:549ba18ddd81 656
mbed_official 126:549ba18ddd81 657 /**
mbed_official 126:549ba18ddd81 658 * @}
mbed_official 126:549ba18ddd81 659 */
mbed_official 126:549ba18ddd81 660
mbed_official 126:549ba18ddd81 661 /**
mbed_official 126:549ba18ddd81 662 * @}
mbed_official 126:549ba18ddd81 663 */
mbed_official 126:549ba18ddd81 664
mbed_official 126:549ba18ddd81 665 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/