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_NUCLEO_F103RB/stm32f10x_gpio.c@52:a51c77007319, 2013-12-02 (annotated)

Committer:
mbed_official
Date:
Mon Dec 02 11:30:05 2013 +0000
Revision:
52:a51c77007319
Child:
70:c1fbde68b492
Synchronized with git revision 49df530ae72ce97ccc773d1f2c13b38e868e6abd



Full URL: https://github.com/mbedmicro/mbed/commit/49df530ae72ce97ccc773d1f2c13b38e868e6abd/



Add STMicroelectronics NUCLEO_F103RB target

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 52:a51c77007319 1 /**
mbed_official 52:a51c77007319 2 ******************************************************************************
mbed_official 52:a51c77007319 3 * @file stm32f10x_gpio.c
mbed_official 52:a51c77007319 4 * @author MCD Application Team
mbed_official 52:a51c77007319 5 * @version V3.5.0
mbed_official 52:a51c77007319 6 * @date 11-March-2011
mbed_official 52:a51c77007319 7 * @brief This file provides all the GPIO firmware functions.
mbed_official 52:a51c77007319 8 ******************************************************************************
mbed_official 52:a51c77007319 9 * @attention
mbed_official 52:a51c77007319 10 *
mbed_official 52:a51c77007319 11 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
mbed_official 52:a51c77007319 12 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
mbed_official 52:a51c77007319 13 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
mbed_official 52:a51c77007319 14 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
mbed_official 52:a51c77007319 15 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
mbed_official 52:a51c77007319 16 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
mbed_official 52:a51c77007319 17 *
mbed_official 52:a51c77007319 18 * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
mbed_official 52:a51c77007319 19 ******************************************************************************
mbed_official 52:a51c77007319 20 */
mbed_official 52:a51c77007319 21
mbed_official 52:a51c77007319 22 /* Includes ------------------------------------------------------------------*/
mbed_official 52:a51c77007319 23 #include "stm32f10x_gpio.h"
mbed_official 52:a51c77007319 24 #include "stm32f10x_rcc.h"
mbed_official 52:a51c77007319 25
mbed_official 52:a51c77007319 26 /** @addtogroup STM32F10x_StdPeriph_Driver
mbed_official 52:a51c77007319 27 * @{
mbed_official 52:a51c77007319 28 */
mbed_official 52:a51c77007319 29
mbed_official 52:a51c77007319 30 /** @defgroup GPIO
mbed_official 52:a51c77007319 31 * @brief GPIO driver modules
mbed_official 52:a51c77007319 32 * @{
mbed_official 52:a51c77007319 33 */
mbed_official 52:a51c77007319 34
mbed_official 52:a51c77007319 35 /** @defgroup GPIO_Private_TypesDefinitions
mbed_official 52:a51c77007319 36 * @{
mbed_official 52:a51c77007319 37 */
mbed_official 52:a51c77007319 38
mbed_official 52:a51c77007319 39 /**
mbed_official 52:a51c77007319 40 * @}
mbed_official 52:a51c77007319 41 */
mbed_official 52:a51c77007319 42
mbed_official 52:a51c77007319 43 /** @defgroup GPIO_Private_Defines
mbed_official 52:a51c77007319 44 * @{
mbed_official 52:a51c77007319 45 */
mbed_official 52:a51c77007319 46
mbed_official 52:a51c77007319 47 /* ------------ RCC registers bit address in the alias region ----------------*/
mbed_official 52:a51c77007319 48 #define AFIO_OFFSET (AFIO_BASE - PERIPH_BASE)
mbed_official 52:a51c77007319 49
mbed_official 52:a51c77007319 50 /* --- EVENTCR Register -----*/
mbed_official 52:a51c77007319 51
mbed_official 52:a51c77007319 52 /* Alias word address of EVOE bit */
mbed_official 52:a51c77007319 53 #define EVCR_OFFSET (AFIO_OFFSET + 0x00)
mbed_official 52:a51c77007319 54 #define EVOE_BitNumber ((uint8_t)0x07)
mbed_official 52:a51c77007319 55 #define EVCR_EVOE_BB (PERIPH_BB_BASE + (EVCR_OFFSET * 32) + (EVOE_BitNumber * 4))
mbed_official 52:a51c77007319 56
mbed_official 52:a51c77007319 57
mbed_official 52:a51c77007319 58 /* --- MAPR Register ---*/
mbed_official 52:a51c77007319 59 /* Alias word address of MII_RMII_SEL bit */
mbed_official 52:a51c77007319 60 #define MAPR_OFFSET (AFIO_OFFSET + 0x04)
mbed_official 52:a51c77007319 61 #define MII_RMII_SEL_BitNumber ((u8)0x17)
mbed_official 52:a51c77007319 62 #define MAPR_MII_RMII_SEL_BB (PERIPH_BB_BASE + (MAPR_OFFSET * 32) + (MII_RMII_SEL_BitNumber * 4))
mbed_official 52:a51c77007319 63
mbed_official 52:a51c77007319 64
mbed_official 52:a51c77007319 65 #define EVCR_PORTPINCONFIG_MASK ((uint16_t)0xFF80)
mbed_official 52:a51c77007319 66 #define LSB_MASK ((uint16_t)0xFFFF)
mbed_official 52:a51c77007319 67 #define DBGAFR_POSITION_MASK ((uint32_t)0x000F0000)
mbed_official 52:a51c77007319 68 #define DBGAFR_SWJCFG_MASK ((uint32_t)0xF0FFFFFF)
mbed_official 52:a51c77007319 69 #define DBGAFR_LOCATION_MASK ((uint32_t)0x00200000)
mbed_official 52:a51c77007319 70 #define DBGAFR_NUMBITS_MASK ((uint32_t)0x00100000)
mbed_official 52:a51c77007319 71 /**
mbed_official 52:a51c77007319 72 * @}
mbed_official 52:a51c77007319 73 */
mbed_official 52:a51c77007319 74
mbed_official 52:a51c77007319 75 /** @defgroup GPIO_Private_Macros
mbed_official 52:a51c77007319 76 * @{
mbed_official 52:a51c77007319 77 */
mbed_official 52:a51c77007319 78
mbed_official 52:a51c77007319 79 /**
mbed_official 52:a51c77007319 80 * @}
mbed_official 52:a51c77007319 81 */
mbed_official 52:a51c77007319 82
mbed_official 52:a51c77007319 83 /** @defgroup GPIO_Private_Variables
mbed_official 52:a51c77007319 84 * @{
mbed_official 52:a51c77007319 85 */
mbed_official 52:a51c77007319 86
mbed_official 52:a51c77007319 87 /**
mbed_official 52:a51c77007319 88 * @}
mbed_official 52:a51c77007319 89 */
mbed_official 52:a51c77007319 90
mbed_official 52:a51c77007319 91 /** @defgroup GPIO_Private_FunctionPrototypes
mbed_official 52:a51c77007319 92 * @{
mbed_official 52:a51c77007319 93 */
mbed_official 52:a51c77007319 94
mbed_official 52:a51c77007319 95 /**
mbed_official 52:a51c77007319 96 * @}
mbed_official 52:a51c77007319 97 */
mbed_official 52:a51c77007319 98
mbed_official 52:a51c77007319 99 /** @defgroup GPIO_Private_Functions
mbed_official 52:a51c77007319 100 * @{
mbed_official 52:a51c77007319 101 */
mbed_official 52:a51c77007319 102
mbed_official 52:a51c77007319 103 /**
mbed_official 52:a51c77007319 104 * @brief Deinitializes the GPIOx peripheral registers to their default reset values.
mbed_official 52:a51c77007319 105 * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
mbed_official 52:a51c77007319 106 * @retval None
mbed_official 52:a51c77007319 107 */
mbed_official 52:a51c77007319 108 void GPIO_DeInit(GPIO_TypeDef* GPIOx)
mbed_official 52:a51c77007319 109 {
mbed_official 52:a51c77007319 110 /* Check the parameters */
mbed_official 52:a51c77007319 111 assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
mbed_official 52:a51c77007319 112
mbed_official 52:a51c77007319 113 if (GPIOx == GPIOA)
mbed_official 52:a51c77007319 114 {
mbed_official 52:a51c77007319 115 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOA, ENABLE);
mbed_official 52:a51c77007319 116 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOA, DISABLE);
mbed_official 52:a51c77007319 117 }
mbed_official 52:a51c77007319 118 else if (GPIOx == GPIOB)
mbed_official 52:a51c77007319 119 {
mbed_official 52:a51c77007319 120 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOB, ENABLE);
mbed_official 52:a51c77007319 121 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOB, DISABLE);
mbed_official 52:a51c77007319 122 }
mbed_official 52:a51c77007319 123 else if (GPIOx == GPIOC)
mbed_official 52:a51c77007319 124 {
mbed_official 52:a51c77007319 125 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOC, ENABLE);
mbed_official 52:a51c77007319 126 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOC, DISABLE);
mbed_official 52:a51c77007319 127 }
mbed_official 52:a51c77007319 128 else if (GPIOx == GPIOD)
mbed_official 52:a51c77007319 129 {
mbed_official 52:a51c77007319 130 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOD, ENABLE);
mbed_official 52:a51c77007319 131 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOD, DISABLE);
mbed_official 52:a51c77007319 132 }
mbed_official 52:a51c77007319 133 else if (GPIOx == GPIOE)
mbed_official 52:a51c77007319 134 {
mbed_official 52:a51c77007319 135 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOE, ENABLE);
mbed_official 52:a51c77007319 136 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOE, DISABLE);
mbed_official 52:a51c77007319 137 }
mbed_official 52:a51c77007319 138 else if (GPIOx == GPIOF)
mbed_official 52:a51c77007319 139 {
mbed_official 52:a51c77007319 140 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOF, ENABLE);
mbed_official 52:a51c77007319 141 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOF, DISABLE);
mbed_official 52:a51c77007319 142 }
mbed_official 52:a51c77007319 143 else
mbed_official 52:a51c77007319 144 {
mbed_official 52:a51c77007319 145 if (GPIOx == GPIOG)
mbed_official 52:a51c77007319 146 {
mbed_official 52:a51c77007319 147 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOG, ENABLE);
mbed_official 52:a51c77007319 148 RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOG, DISABLE);
mbed_official 52:a51c77007319 149 }
mbed_official 52:a51c77007319 150 }
mbed_official 52:a51c77007319 151 }
mbed_official 52:a51c77007319 152
mbed_official 52:a51c77007319 153 /**
mbed_official 52:a51c77007319 154 * @brief Deinitializes the Alternate Functions (remap, event control
mbed_official 52:a51c77007319 155 * and EXTI configuration) registers to their default reset values.
mbed_official 52:a51c77007319 156 * @param None
mbed_official 52:a51c77007319 157 * @retval None
mbed_official 52:a51c77007319 158 */
mbed_official 52:a51c77007319 159 void GPIO_AFIODeInit(void)
mbed_official 52:a51c77007319 160 {
mbed_official 52:a51c77007319 161 RCC_APB2PeriphResetCmd(RCC_APB2Periph_AFIO, ENABLE);
mbed_official 52:a51c77007319 162 RCC_APB2PeriphResetCmd(RCC_APB2Periph_AFIO, DISABLE);
mbed_official 52:a51c77007319 163 }
mbed_official 52:a51c77007319 164
mbed_official 52:a51c77007319 165 /**
mbed_official 52:a51c77007319 166 * @brief Initializes the GPIOx peripheral according to the specified
mbed_official 52:a51c77007319 167 * parameters in the GPIO_InitStruct.
mbed_official 52:a51c77007319 168 * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
mbed_official 52:a51c77007319 169 * @param GPIO_InitStruct: pointer to a GPIO_InitTypeDef structure that
mbed_official 52:a51c77007319 170 * contains the configuration information for the specified GPIO peripheral.
mbed_official 52:a51c77007319 171 * @retval None
mbed_official 52:a51c77007319 172 */
mbed_official 52:a51c77007319 173 void GPIO_Init(GPIO_TypeDef* GPIOx, GPIO_InitTypeDef* GPIO_InitStruct)
mbed_official 52:a51c77007319 174 {
mbed_official 52:a51c77007319 175 uint32_t currentmode = 0x00, currentpin = 0x00, pinpos = 0x00, pos = 0x00;
mbed_official 52:a51c77007319 176 uint32_t tmpreg = 0x00, pinmask = 0x00;
mbed_official 52:a51c77007319 177 /* Check the parameters */
mbed_official 52:a51c77007319 178 assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
mbed_official 52:a51c77007319 179 assert_param(IS_GPIO_MODE(GPIO_InitStruct->GPIO_Mode));
mbed_official 52:a51c77007319 180 assert_param(IS_GPIO_PIN(GPIO_InitStruct->GPIO_Pin));
mbed_official 52:a51c77007319 181
mbed_official 52:a51c77007319 182 /*---------------------------- GPIO Mode Configuration -----------------------*/
mbed_official 52:a51c77007319 183 currentmode = ((uint32_t)GPIO_InitStruct->GPIO_Mode) & ((uint32_t)0x0F);
mbed_official 52:a51c77007319 184 if ((((uint32_t)GPIO_InitStruct->GPIO_Mode) & ((uint32_t)0x10)) != 0x00)
mbed_official 52:a51c77007319 185 {
mbed_official 52:a51c77007319 186 /* Check the parameters */
mbed_official 52:a51c77007319 187 assert_param(IS_GPIO_SPEED(GPIO_InitStruct->GPIO_Speed));
mbed_official 52:a51c77007319 188 /* Output mode */
mbed_official 52:a51c77007319 189 currentmode |= (uint32_t)GPIO_InitStruct->GPIO_Speed;
mbed_official 52:a51c77007319 190 }
mbed_official 52:a51c77007319 191 /*---------------------------- GPIO CRL Configuration ------------------------*/
mbed_official 52:a51c77007319 192 /* Configure the eight low port pins */
mbed_official 52:a51c77007319 193 if (((uint32_t)GPIO_InitStruct->GPIO_Pin & ((uint32_t)0x00FF)) != 0x00)
mbed_official 52:a51c77007319 194 {
mbed_official 52:a51c77007319 195 tmpreg = GPIOx->CRL;
mbed_official 52:a51c77007319 196 for (pinpos = 0x00; pinpos < 0x08; pinpos++)
mbed_official 52:a51c77007319 197 {
mbed_official 52:a51c77007319 198 pos = ((uint32_t)0x01) << pinpos;
mbed_official 52:a51c77007319 199 /* Get the port pins position */
mbed_official 52:a51c77007319 200 currentpin = (GPIO_InitStruct->GPIO_Pin) & pos;
mbed_official 52:a51c77007319 201 if (currentpin == pos)
mbed_official 52:a51c77007319 202 {
mbed_official 52:a51c77007319 203 pos = pinpos << 2;
mbed_official 52:a51c77007319 204 /* Clear the corresponding low control register bits */
mbed_official 52:a51c77007319 205 pinmask = ((uint32_t)0x0F) << pos;
mbed_official 52:a51c77007319 206 tmpreg &= ~pinmask;
mbed_official 52:a51c77007319 207 /* Write the mode configuration in the corresponding bits */
mbed_official 52:a51c77007319 208 tmpreg |= (currentmode << pos);
mbed_official 52:a51c77007319 209 /* Reset the corresponding ODR bit */
mbed_official 52:a51c77007319 210 if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPD)
mbed_official 52:a51c77007319 211 {
mbed_official 52:a51c77007319 212 GPIOx->BRR = (((uint32_t)0x01) << pinpos);
mbed_official 52:a51c77007319 213 }
mbed_official 52:a51c77007319 214 else
mbed_official 52:a51c77007319 215 {
mbed_official 52:a51c77007319 216 /* Set the corresponding ODR bit */
mbed_official 52:a51c77007319 217 if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPU)
mbed_official 52:a51c77007319 218 {
mbed_official 52:a51c77007319 219 GPIOx->BSRR = (((uint32_t)0x01) << pinpos);
mbed_official 52:a51c77007319 220 }
mbed_official 52:a51c77007319 221 }
mbed_official 52:a51c77007319 222 }
mbed_official 52:a51c77007319 223 }
mbed_official 52:a51c77007319 224 GPIOx->CRL = tmpreg;
mbed_official 52:a51c77007319 225 }
mbed_official 52:a51c77007319 226 /*---------------------------- GPIO CRH Configuration ------------------------*/
mbed_official 52:a51c77007319 227 /* Configure the eight high port pins */
mbed_official 52:a51c77007319 228 if (GPIO_InitStruct->GPIO_Pin > 0x00FF)
mbed_official 52:a51c77007319 229 {
mbed_official 52:a51c77007319 230 tmpreg = GPIOx->CRH;
mbed_official 52:a51c77007319 231 for (pinpos = 0x00; pinpos < 0x08; pinpos++)
mbed_official 52:a51c77007319 232 {
mbed_official 52:a51c77007319 233 pos = (((uint32_t)0x01) << (pinpos + 0x08));
mbed_official 52:a51c77007319 234 /* Get the port pins position */
mbed_official 52:a51c77007319 235 currentpin = ((GPIO_InitStruct->GPIO_Pin) & pos);
mbed_official 52:a51c77007319 236 if (currentpin == pos)
mbed_official 52:a51c77007319 237 {
mbed_official 52:a51c77007319 238 pos = pinpos << 2;
mbed_official 52:a51c77007319 239 /* Clear the corresponding high control register bits */
mbed_official 52:a51c77007319 240 pinmask = ((uint32_t)0x0F) << pos;
mbed_official 52:a51c77007319 241 tmpreg &= ~pinmask;
mbed_official 52:a51c77007319 242 /* Write the mode configuration in the corresponding bits */
mbed_official 52:a51c77007319 243 tmpreg |= (currentmode << pos);
mbed_official 52:a51c77007319 244 /* Reset the corresponding ODR bit */
mbed_official 52:a51c77007319 245 if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPD)
mbed_official 52:a51c77007319 246 {
mbed_official 52:a51c77007319 247 GPIOx->BRR = (((uint32_t)0x01) << (pinpos + 0x08));
mbed_official 52:a51c77007319 248 }
mbed_official 52:a51c77007319 249 /* Set the corresponding ODR bit */
mbed_official 52:a51c77007319 250 if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPU)
mbed_official 52:a51c77007319 251 {
mbed_official 52:a51c77007319 252 GPIOx->BSRR = (((uint32_t)0x01) << (pinpos + 0x08));
mbed_official 52:a51c77007319 253 }
mbed_official 52:a51c77007319 254 }
mbed_official 52:a51c77007319 255 }
mbed_official 52:a51c77007319 256 GPIOx->CRH = tmpreg;
mbed_official 52:a51c77007319 257 }
mbed_official 52:a51c77007319 258 }
mbed_official 52:a51c77007319 259
mbed_official 52:a51c77007319 260 /**
mbed_official 52:a51c77007319 261 * @brief Fills each GPIO_InitStruct member with its default value.
mbed_official 52:a51c77007319 262 * @param GPIO_InitStruct : pointer to a GPIO_InitTypeDef structure which will
mbed_official 52:a51c77007319 263 * be initialized.
mbed_official 52:a51c77007319 264 * @retval None
mbed_official 52:a51c77007319 265 */
mbed_official 52:a51c77007319 266 void GPIO_StructInit(GPIO_InitTypeDef* GPIO_InitStruct)
mbed_official 52:a51c77007319 267 {
mbed_official 52:a51c77007319 268 /* Reset GPIO init structure parameters values */
mbed_official 52:a51c77007319 269 GPIO_InitStruct->GPIO_Pin = GPIO_Pin_All;
mbed_official 52:a51c77007319 270 GPIO_InitStruct->GPIO_Speed = GPIO_Speed_2MHz;
mbed_official 52:a51c77007319 271 GPIO_InitStruct->GPIO_Mode = GPIO_Mode_IN_FLOATING;
mbed_official 52:a51c77007319 272 }
mbed_official 52:a51c77007319 273
mbed_official 52:a51c77007319 274 /**
mbed_official 52:a51c77007319 275 * @brief Reads the specified input port pin.
mbed_official 52:a51c77007319 276 * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
mbed_official 52:a51c77007319 277 * @param GPIO_Pin: specifies the port bit to read.
mbed_official 52:a51c77007319 278 * This parameter can be GPIO_Pin_x where x can be (0..15).
mbed_official 52:a51c77007319 279 * @retval The input port pin value.
mbed_official 52:a51c77007319 280 */
mbed_official 52:a51c77007319 281 uint8_t GPIO_ReadInputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
mbed_official 52:a51c77007319 282 {
mbed_official 52:a51c77007319 283 uint8_t bitstatus = 0x00;
mbed_official 52:a51c77007319 284
mbed_official 52:a51c77007319 285 /* Check the parameters */
mbed_official 52:a51c77007319 286 assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
mbed_official 52:a51c77007319 287 assert_param(IS_GET_GPIO_PIN(GPIO_Pin));
mbed_official 52:a51c77007319 288
mbed_official 52:a51c77007319 289 if ((GPIOx->IDR & GPIO_Pin) != (uint32_t)Bit_RESET)
mbed_official 52:a51c77007319 290 {
mbed_official 52:a51c77007319 291 bitstatus = (uint8_t)Bit_SET;
mbed_official 52:a51c77007319 292 }
mbed_official 52:a51c77007319 293 else
mbed_official 52:a51c77007319 294 {
mbed_official 52:a51c77007319 295 bitstatus = (uint8_t)Bit_RESET;
mbed_official 52:a51c77007319 296 }
mbed_official 52:a51c77007319 297 return bitstatus;
mbed_official 52:a51c77007319 298 }
mbed_official 52:a51c77007319 299
mbed_official 52:a51c77007319 300 /**
mbed_official 52:a51c77007319 301 * @brief Reads the specified GPIO input data port.
mbed_official 52:a51c77007319 302 * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
mbed_official 52:a51c77007319 303 * @retval GPIO input data port value.
mbed_official 52:a51c77007319 304 */
mbed_official 52:a51c77007319 305 uint16_t GPIO_ReadInputData(GPIO_TypeDef* GPIOx)
mbed_official 52:a51c77007319 306 {
mbed_official 52:a51c77007319 307 /* Check the parameters */
mbed_official 52:a51c77007319 308 assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
mbed_official 52:a51c77007319 309
mbed_official 52:a51c77007319 310 return ((uint16_t)GPIOx->IDR);
mbed_official 52:a51c77007319 311 }
mbed_official 52:a51c77007319 312
mbed_official 52:a51c77007319 313 /**
mbed_official 52:a51c77007319 314 * @brief Reads the specified output data port bit.
mbed_official 52:a51c77007319 315 * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
mbed_official 52:a51c77007319 316 * @param GPIO_Pin: specifies the port bit to read.
mbed_official 52:a51c77007319 317 * This parameter can be GPIO_Pin_x where x can be (0..15).
mbed_official 52:a51c77007319 318 * @retval The output port pin value.
mbed_official 52:a51c77007319 319 */
mbed_official 52:a51c77007319 320 uint8_t GPIO_ReadOutputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
mbed_official 52:a51c77007319 321 {
mbed_official 52:a51c77007319 322 uint8_t bitstatus = 0x00;
mbed_official 52:a51c77007319 323 /* Check the parameters */
mbed_official 52:a51c77007319 324 assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
mbed_official 52:a51c77007319 325 assert_param(IS_GET_GPIO_PIN(GPIO_Pin));
mbed_official 52:a51c77007319 326
mbed_official 52:a51c77007319 327 if ((GPIOx->ODR & GPIO_Pin) != (uint32_t)Bit_RESET)
mbed_official 52:a51c77007319 328 {
mbed_official 52:a51c77007319 329 bitstatus = (uint8_t)Bit_SET;
mbed_official 52:a51c77007319 330 }
mbed_official 52:a51c77007319 331 else
mbed_official 52:a51c77007319 332 {
mbed_official 52:a51c77007319 333 bitstatus = (uint8_t)Bit_RESET;
mbed_official 52:a51c77007319 334 }
mbed_official 52:a51c77007319 335 return bitstatus;
mbed_official 52:a51c77007319 336 }
mbed_official 52:a51c77007319 337
mbed_official 52:a51c77007319 338 /**
mbed_official 52:a51c77007319 339 * @brief Reads the specified GPIO output data port.
mbed_official 52:a51c77007319 340 * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
mbed_official 52:a51c77007319 341 * @retval GPIO output data port value.
mbed_official 52:a51c77007319 342 */
mbed_official 52:a51c77007319 343 uint16_t GPIO_ReadOutputData(GPIO_TypeDef* GPIOx)
mbed_official 52:a51c77007319 344 {
mbed_official 52:a51c77007319 345 /* Check the parameters */
mbed_official 52:a51c77007319 346 assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
mbed_official 52:a51c77007319 347
mbed_official 52:a51c77007319 348 return ((uint16_t)GPIOx->ODR);
mbed_official 52:a51c77007319 349 }
mbed_official 52:a51c77007319 350
mbed_official 52:a51c77007319 351 /**
mbed_official 52:a51c77007319 352 * @brief Sets the selected data port bits.
mbed_official 52:a51c77007319 353 * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
mbed_official 52:a51c77007319 354 * @param GPIO_Pin: specifies the port bits to be written.
mbed_official 52:a51c77007319 355 * This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
mbed_official 52:a51c77007319 356 * @retval None
mbed_official 52:a51c77007319 357 */
mbed_official 52:a51c77007319 358 void GPIO_SetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
mbed_official 52:a51c77007319 359 {
mbed_official 52:a51c77007319 360 /* Check the parameters */
mbed_official 52:a51c77007319 361 assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
mbed_official 52:a51c77007319 362 assert_param(IS_GPIO_PIN(GPIO_Pin));
mbed_official 52:a51c77007319 363
mbed_official 52:a51c77007319 364 GPIOx->BSRR = GPIO_Pin;
mbed_official 52:a51c77007319 365 }
mbed_official 52:a51c77007319 366
mbed_official 52:a51c77007319 367 /**
mbed_official 52:a51c77007319 368 * @brief Clears the selected data port bits.
mbed_official 52:a51c77007319 369 * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
mbed_official 52:a51c77007319 370 * @param GPIO_Pin: specifies the port bits to be written.
mbed_official 52:a51c77007319 371 * This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
mbed_official 52:a51c77007319 372 * @retval None
mbed_official 52:a51c77007319 373 */
mbed_official 52:a51c77007319 374 void GPIO_ResetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
mbed_official 52:a51c77007319 375 {
mbed_official 52:a51c77007319 376 /* Check the parameters */
mbed_official 52:a51c77007319 377 assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
mbed_official 52:a51c77007319 378 assert_param(IS_GPIO_PIN(GPIO_Pin));
mbed_official 52:a51c77007319 379
mbed_official 52:a51c77007319 380 GPIOx->BRR = GPIO_Pin;
mbed_official 52:a51c77007319 381 }
mbed_official 52:a51c77007319 382
mbed_official 52:a51c77007319 383 /**
mbed_official 52:a51c77007319 384 * @brief Sets or clears the selected data port bit.
mbed_official 52:a51c77007319 385 * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
mbed_official 52:a51c77007319 386 * @param GPIO_Pin: specifies the port bit to be written.
mbed_official 52:a51c77007319 387 * This parameter can be one of GPIO_Pin_x where x can be (0..15).
mbed_official 52:a51c77007319 388 * @param BitVal: specifies the value to be written to the selected bit.
mbed_official 52:a51c77007319 389 * This parameter can be one of the BitAction enum values:
mbed_official 52:a51c77007319 390 * @arg Bit_RESET: to clear the port pin
mbed_official 52:a51c77007319 391 * @arg Bit_SET: to set the port pin
mbed_official 52:a51c77007319 392 * @retval None
mbed_official 52:a51c77007319 393 */
mbed_official 52:a51c77007319 394 void GPIO_WriteBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, BitAction BitVal)
mbed_official 52:a51c77007319 395 {
mbed_official 52:a51c77007319 396 /* Check the parameters */
mbed_official 52:a51c77007319 397 assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
mbed_official 52:a51c77007319 398 assert_param(IS_GET_GPIO_PIN(GPIO_Pin));
mbed_official 52:a51c77007319 399 assert_param(IS_GPIO_BIT_ACTION(BitVal));
mbed_official 52:a51c77007319 400
mbed_official 52:a51c77007319 401 if (BitVal != Bit_RESET)
mbed_official 52:a51c77007319 402 {
mbed_official 52:a51c77007319 403 GPIOx->BSRR = GPIO_Pin;
mbed_official 52:a51c77007319 404 }
mbed_official 52:a51c77007319 405 else
mbed_official 52:a51c77007319 406 {
mbed_official 52:a51c77007319 407 GPIOx->BRR = GPIO_Pin;
mbed_official 52:a51c77007319 408 }
mbed_official 52:a51c77007319 409 }
mbed_official 52:a51c77007319 410
mbed_official 52:a51c77007319 411 /**
mbed_official 52:a51c77007319 412 * @brief Writes data to the specified GPIO data port.
mbed_official 52:a51c77007319 413 * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
mbed_official 52:a51c77007319 414 * @param PortVal: specifies the value to be written to the port output data register.
mbed_official 52:a51c77007319 415 * @retval None
mbed_official 52:a51c77007319 416 */
mbed_official 52:a51c77007319 417 void GPIO_Write(GPIO_TypeDef* GPIOx, uint16_t PortVal)
mbed_official 52:a51c77007319 418 {
mbed_official 52:a51c77007319 419 /* Check the parameters */
mbed_official 52:a51c77007319 420 assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
mbed_official 52:a51c77007319 421
mbed_official 52:a51c77007319 422 GPIOx->ODR = PortVal;
mbed_official 52:a51c77007319 423 }
mbed_official 52:a51c77007319 424
mbed_official 52:a51c77007319 425 /**
mbed_official 52:a51c77007319 426 * @brief Locks GPIO Pins configuration registers.
mbed_official 52:a51c77007319 427 * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
mbed_official 52:a51c77007319 428 * @param GPIO_Pin: specifies the port bit to be written.
mbed_official 52:a51c77007319 429 * This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
mbed_official 52:a51c77007319 430 * @retval None
mbed_official 52:a51c77007319 431 */
mbed_official 52:a51c77007319 432 void GPIO_PinLockConfig(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
mbed_official 52:a51c77007319 433 {
mbed_official 52:a51c77007319 434 uint32_t tmp = 0x00010000;
mbed_official 52:a51c77007319 435
mbed_official 52:a51c77007319 436 /* Check the parameters */
mbed_official 52:a51c77007319 437 assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
mbed_official 52:a51c77007319 438 assert_param(IS_GPIO_PIN(GPIO_Pin));
mbed_official 52:a51c77007319 439
mbed_official 52:a51c77007319 440 tmp |= GPIO_Pin;
mbed_official 52:a51c77007319 441 /* Set LCKK bit */
mbed_official 52:a51c77007319 442 GPIOx->LCKR = tmp;
mbed_official 52:a51c77007319 443 /* Reset LCKK bit */
mbed_official 52:a51c77007319 444 GPIOx->LCKR = GPIO_Pin;
mbed_official 52:a51c77007319 445 /* Set LCKK bit */
mbed_official 52:a51c77007319 446 GPIOx->LCKR = tmp;
mbed_official 52:a51c77007319 447 /* Read LCKK bit*/
mbed_official 52:a51c77007319 448 tmp = GPIOx->LCKR;
mbed_official 52:a51c77007319 449 /* Read LCKK bit*/
mbed_official 52:a51c77007319 450 tmp = GPIOx->LCKR;
mbed_official 52:a51c77007319 451 }
mbed_official 52:a51c77007319 452
mbed_official 52:a51c77007319 453 /**
mbed_official 52:a51c77007319 454 * @brief Selects the GPIO pin used as Event output.
mbed_official 52:a51c77007319 455 * @param GPIO_PortSource: selects the GPIO port to be used as source
mbed_official 52:a51c77007319 456 * for Event output.
mbed_official 52:a51c77007319 457 * This parameter can be GPIO_PortSourceGPIOx where x can be (A..E).
mbed_official 52:a51c77007319 458 * @param GPIO_PinSource: specifies the pin for the Event output.
mbed_official 52:a51c77007319 459 * This parameter can be GPIO_PinSourcex where x can be (0..15).
mbed_official 52:a51c77007319 460 * @retval None
mbed_official 52:a51c77007319 461 */
mbed_official 52:a51c77007319 462 void GPIO_EventOutputConfig(uint8_t GPIO_PortSource, uint8_t GPIO_PinSource)
mbed_official 52:a51c77007319 463 {
mbed_official 52:a51c77007319 464 uint32_t tmpreg = 0x00;
mbed_official 52:a51c77007319 465 /* Check the parameters */
mbed_official 52:a51c77007319 466 assert_param(IS_GPIO_EVENTOUT_PORT_SOURCE(GPIO_PortSource));
mbed_official 52:a51c77007319 467 assert_param(IS_GPIO_PIN_SOURCE(GPIO_PinSource));
mbed_official 52:a51c77007319 468
mbed_official 52:a51c77007319 469 tmpreg = AFIO->EVCR;
mbed_official 52:a51c77007319 470 /* Clear the PORT[6:4] and PIN[3:0] bits */
mbed_official 52:a51c77007319 471 tmpreg &= EVCR_PORTPINCONFIG_MASK;
mbed_official 52:a51c77007319 472 tmpreg |= (uint32_t)GPIO_PortSource << 0x04;
mbed_official 52:a51c77007319 473 tmpreg |= GPIO_PinSource;
mbed_official 52:a51c77007319 474 AFIO->EVCR = tmpreg;
mbed_official 52:a51c77007319 475 }
mbed_official 52:a51c77007319 476
mbed_official 52:a51c77007319 477 /**
mbed_official 52:a51c77007319 478 * @brief Enables or disables the Event Output.
mbed_official 52:a51c77007319 479 * @param NewState: new state of the Event output.
mbed_official 52:a51c77007319 480 * This parameter can be: ENABLE or DISABLE.
mbed_official 52:a51c77007319 481 * @retval None
mbed_official 52:a51c77007319 482 */
mbed_official 52:a51c77007319 483 void GPIO_EventOutputCmd(FunctionalState NewState)
mbed_official 52:a51c77007319 484 {
mbed_official 52:a51c77007319 485 /* Check the parameters */
mbed_official 52:a51c77007319 486 assert_param(IS_FUNCTIONAL_STATE(NewState));
mbed_official 52:a51c77007319 487
mbed_official 52:a51c77007319 488 *(__IO uint32_t *) EVCR_EVOE_BB = (uint32_t)NewState;
mbed_official 52:a51c77007319 489 }
mbed_official 52:a51c77007319 490
mbed_official 52:a51c77007319 491 /**
mbed_official 52:a51c77007319 492 * @brief Changes the mapping of the specified pin.
mbed_official 52:a51c77007319 493 * @param GPIO_Remap: selects the pin to remap.
mbed_official 52:a51c77007319 494 * This parameter can be one of the following values:
mbed_official 52:a51c77007319 495 * @arg GPIO_Remap_SPI1 : SPI1 Alternate Function mapping
mbed_official 52:a51c77007319 496 * @arg GPIO_Remap_I2C1 : I2C1 Alternate Function mapping
mbed_official 52:a51c77007319 497 * @arg GPIO_Remap_USART1 : USART1 Alternate Function mapping
mbed_official 52:a51c77007319 498 * @arg GPIO_Remap_USART2 : USART2 Alternate Function mapping
mbed_official 52:a51c77007319 499 * @arg GPIO_PartialRemap_USART3 : USART3 Partial Alternate Function mapping
mbed_official 52:a51c77007319 500 * @arg GPIO_FullRemap_USART3 : USART3 Full Alternate Function mapping
mbed_official 52:a51c77007319 501 * @arg GPIO_PartialRemap_TIM1 : TIM1 Partial Alternate Function mapping
mbed_official 52:a51c77007319 502 * @arg GPIO_FullRemap_TIM1 : TIM1 Full Alternate Function mapping
mbed_official 52:a51c77007319 503 * @arg GPIO_PartialRemap1_TIM2 : TIM2 Partial1 Alternate Function mapping
mbed_official 52:a51c77007319 504 * @arg GPIO_PartialRemap2_TIM2 : TIM2 Partial2 Alternate Function mapping
mbed_official 52:a51c77007319 505 * @arg GPIO_FullRemap_TIM2 : TIM2 Full Alternate Function mapping
mbed_official 52:a51c77007319 506 * @arg GPIO_PartialRemap_TIM3 : TIM3 Partial Alternate Function mapping
mbed_official 52:a51c77007319 507 * @arg GPIO_FullRemap_TIM3 : TIM3 Full Alternate Function mapping
mbed_official 52:a51c77007319 508 * @arg GPIO_Remap_TIM4 : TIM4 Alternate Function mapping
mbed_official 52:a51c77007319 509 * @arg GPIO_Remap1_CAN1 : CAN1 Alternate Function mapping
mbed_official 52:a51c77007319 510 * @arg GPIO_Remap2_CAN1 : CAN1 Alternate Function mapping
mbed_official 52:a51c77007319 511 * @arg GPIO_Remap_PD01 : PD01 Alternate Function mapping
mbed_official 52:a51c77007319 512 * @arg GPIO_Remap_TIM5CH4_LSI : LSI connected to TIM5 Channel4 input capture for calibration
mbed_official 52:a51c77007319 513 * @arg GPIO_Remap_ADC1_ETRGINJ : ADC1 External Trigger Injected Conversion remapping
mbed_official 52:a51c77007319 514 * @arg GPIO_Remap_ADC1_ETRGREG : ADC1 External Trigger Regular Conversion remapping
mbed_official 52:a51c77007319 515 * @arg GPIO_Remap_ADC2_ETRGINJ : ADC2 External Trigger Injected Conversion remapping
mbed_official 52:a51c77007319 516 * @arg GPIO_Remap_ADC2_ETRGREG : ADC2 External Trigger Regular Conversion remapping
mbed_official 52:a51c77007319 517 * @arg GPIO_Remap_ETH : Ethernet remapping (only for Connectivity line devices)
mbed_official 52:a51c77007319 518 * @arg GPIO_Remap_CAN2 : CAN2 remapping (only for Connectivity line devices)
mbed_official 52:a51c77007319 519 * @arg GPIO_Remap_SWJ_NoJTRST : Full SWJ Enabled (JTAG-DP + SW-DP) but without JTRST
mbed_official 52:a51c77007319 520 * @arg GPIO_Remap_SWJ_JTAGDisable : JTAG-DP Disabled and SW-DP Enabled
mbed_official 52:a51c77007319 521 * @arg GPIO_Remap_SWJ_Disable : Full SWJ Disabled (JTAG-DP + SW-DP)
mbed_official 52:a51c77007319 522 * @arg GPIO_Remap_SPI3 : SPI3/I2S3 Alternate Function mapping (only for Connectivity line devices)
mbed_official 52:a51c77007319 523 * When the SPI3/I2S3 is remapped using this function, the SWJ is configured
mbed_official 52:a51c77007319 524 * to Full SWJ Enabled (JTAG-DP + SW-DP) but without JTRST.
mbed_official 52:a51c77007319 525 * @arg GPIO_Remap_TIM2ITR1_PTP_SOF : Ethernet PTP output or USB OTG SOF (Start of Frame) connected
mbed_official 52:a51c77007319 526 * to TIM2 Internal Trigger 1 for calibration (only for Connectivity line devices)
mbed_official 52:a51c77007319 527 * If the GPIO_Remap_TIM2ITR1_PTP_SOF is enabled the TIM2 ITR1 is connected to
mbed_official 52:a51c77007319 528 * Ethernet PTP output. When Reset TIM2 ITR1 is connected to USB OTG SOF output.
mbed_official 52:a51c77007319 529 * @arg GPIO_Remap_PTP_PPS : Ethernet MAC PPS_PTS output on PB05 (only for Connectivity line devices)
mbed_official 52:a51c77007319 530 * @arg GPIO_Remap_TIM15 : TIM15 Alternate Function mapping (only for Value line devices)
mbed_official 52:a51c77007319 531 * @arg GPIO_Remap_TIM16 : TIM16 Alternate Function mapping (only for Value line devices)
mbed_official 52:a51c77007319 532 * @arg GPIO_Remap_TIM17 : TIM17 Alternate Function mapping (only for Value line devices)
mbed_official 52:a51c77007319 533 * @arg GPIO_Remap_CEC : CEC Alternate Function mapping (only for Value line devices)
mbed_official 52:a51c77007319 534 * @arg GPIO_Remap_TIM1_DMA : TIM1 DMA requests mapping (only for Value line devices)
mbed_official 52:a51c77007319 535 * @arg GPIO_Remap_TIM9 : TIM9 Alternate Function mapping (only for XL-density devices)
mbed_official 52:a51c77007319 536 * @arg GPIO_Remap_TIM10 : TIM10 Alternate Function mapping (only for XL-density devices)
mbed_official 52:a51c77007319 537 * @arg GPIO_Remap_TIM11 : TIM11 Alternate Function mapping (only for XL-density devices)
mbed_official 52:a51c77007319 538 * @arg GPIO_Remap_TIM13 : TIM13 Alternate Function mapping (only for High density Value line and XL-density devices)
mbed_official 52:a51c77007319 539 * @arg GPIO_Remap_TIM14 : TIM14 Alternate Function mapping (only for High density Value line and XL-density devices)
mbed_official 52:a51c77007319 540 * @arg GPIO_Remap_FSMC_NADV : FSMC_NADV Alternate Function mapping (only for High density Value line and XL-density devices)
mbed_official 52:a51c77007319 541 * @arg GPIO_Remap_TIM67_DAC_DMA : TIM6/TIM7 and DAC DMA requests remapping (only for High density Value line devices)
mbed_official 52:a51c77007319 542 * @arg GPIO_Remap_TIM12 : TIM12 Alternate Function mapping (only for High density Value line devices)
mbed_official 52:a51c77007319 543 * @arg GPIO_Remap_MISC : Miscellaneous Remap (DMA2 Channel5 Position and DAC Trigger remapping,
mbed_official 52:a51c77007319 544 * only for High density Value line devices)
mbed_official 52:a51c77007319 545 * @param NewState: new state of the port pin remapping.
mbed_official 52:a51c77007319 546 * This parameter can be: ENABLE or DISABLE.
mbed_official 52:a51c77007319 547 * @retval None
mbed_official 52:a51c77007319 548 */
mbed_official 52:a51c77007319 549 void GPIO_PinRemapConfig(uint32_t GPIO_Remap, FunctionalState NewState)
mbed_official 52:a51c77007319 550 {
mbed_official 52:a51c77007319 551 uint32_t tmp = 0x00, tmp1 = 0x00, tmpreg = 0x00, tmpmask = 0x00;
mbed_official 52:a51c77007319 552
mbed_official 52:a51c77007319 553 /* Check the parameters */
mbed_official 52:a51c77007319 554 assert_param(IS_GPIO_REMAP(GPIO_Remap));
mbed_official 52:a51c77007319 555 assert_param(IS_FUNCTIONAL_STATE(NewState));
mbed_official 52:a51c77007319 556
mbed_official 52:a51c77007319 557 if((GPIO_Remap & 0x80000000) == 0x80000000)
mbed_official 52:a51c77007319 558 {
mbed_official 52:a51c77007319 559 tmpreg = AFIO->MAPR2;
mbed_official 52:a51c77007319 560 }
mbed_official 52:a51c77007319 561 else
mbed_official 52:a51c77007319 562 {
mbed_official 52:a51c77007319 563 tmpreg = AFIO->MAPR;
mbed_official 52:a51c77007319 564 }
mbed_official 52:a51c77007319 565
mbed_official 52:a51c77007319 566 tmpmask = (GPIO_Remap & DBGAFR_POSITION_MASK) >> 0x10;
mbed_official 52:a51c77007319 567 tmp = GPIO_Remap & LSB_MASK;
mbed_official 52:a51c77007319 568
mbed_official 52:a51c77007319 569 if ((GPIO_Remap & (DBGAFR_LOCATION_MASK | DBGAFR_NUMBITS_MASK)) == (DBGAFR_LOCATION_MASK | DBGAFR_NUMBITS_MASK))
mbed_official 52:a51c77007319 570 {
mbed_official 52:a51c77007319 571 tmpreg &= DBGAFR_SWJCFG_MASK;
mbed_official 52:a51c77007319 572 AFIO->MAPR &= DBGAFR_SWJCFG_MASK;
mbed_official 52:a51c77007319 573 }
mbed_official 52:a51c77007319 574 else if ((GPIO_Remap & DBGAFR_NUMBITS_MASK) == DBGAFR_NUMBITS_MASK)
mbed_official 52:a51c77007319 575 {
mbed_official 52:a51c77007319 576 tmp1 = ((uint32_t)0x03) << tmpmask;
mbed_official 52:a51c77007319 577 tmpreg &= ~tmp1;
mbed_official 52:a51c77007319 578 tmpreg |= ~DBGAFR_SWJCFG_MASK;
mbed_official 52:a51c77007319 579 }
mbed_official 52:a51c77007319 580 else
mbed_official 52:a51c77007319 581 {
mbed_official 52:a51c77007319 582 tmpreg &= ~(tmp << ((GPIO_Remap >> 0x15)*0x10));
mbed_official 52:a51c77007319 583 tmpreg |= ~DBGAFR_SWJCFG_MASK;
mbed_official 52:a51c77007319 584 }
mbed_official 52:a51c77007319 585
mbed_official 52:a51c77007319 586 if (NewState != DISABLE)
mbed_official 52:a51c77007319 587 {
mbed_official 52:a51c77007319 588 tmpreg |= (tmp << ((GPIO_Remap >> 0x15)*0x10));
mbed_official 52:a51c77007319 589 }
mbed_official 52:a51c77007319 590
mbed_official 52:a51c77007319 591 if((GPIO_Remap & 0x80000000) == 0x80000000)
mbed_official 52:a51c77007319 592 {
mbed_official 52:a51c77007319 593 AFIO->MAPR2 = tmpreg;
mbed_official 52:a51c77007319 594 }
mbed_official 52:a51c77007319 595 else
mbed_official 52:a51c77007319 596 {
mbed_official 52:a51c77007319 597 AFIO->MAPR = tmpreg;
mbed_official 52:a51c77007319 598 }
mbed_official 52:a51c77007319 599 }
mbed_official 52:a51c77007319 600
mbed_official 52:a51c77007319 601 /**
mbed_official 52:a51c77007319 602 * @brief Selects the GPIO pin used as EXTI Line.
mbed_official 52:a51c77007319 603 * @param GPIO_PortSource: selects the GPIO port to be used as source for EXTI lines.
mbed_official 52:a51c77007319 604 * This parameter can be GPIO_PortSourceGPIOx where x can be (A..G).
mbed_official 52:a51c77007319 605 * @param GPIO_PinSource: specifies the EXTI line to be configured.
mbed_official 52:a51c77007319 606 * This parameter can be GPIO_PinSourcex where x can be (0..15).
mbed_official 52:a51c77007319 607 * @retval None
mbed_official 52:a51c77007319 608 */
mbed_official 52:a51c77007319 609 void GPIO_EXTILineConfig(uint8_t GPIO_PortSource, uint8_t GPIO_PinSource)
mbed_official 52:a51c77007319 610 {
mbed_official 52:a51c77007319 611 uint32_t tmp = 0x00;
mbed_official 52:a51c77007319 612 /* Check the parameters */
mbed_official 52:a51c77007319 613 assert_param(IS_GPIO_EXTI_PORT_SOURCE(GPIO_PortSource));
mbed_official 52:a51c77007319 614 assert_param(IS_GPIO_PIN_SOURCE(GPIO_PinSource));
mbed_official 52:a51c77007319 615
mbed_official 52:a51c77007319 616 tmp = ((uint32_t)0x0F) << (0x04 * (GPIO_PinSource & (uint8_t)0x03));
mbed_official 52:a51c77007319 617 AFIO->EXTICR[GPIO_PinSource >> 0x02] &= ~tmp;
mbed_official 52:a51c77007319 618 AFIO->EXTICR[GPIO_PinSource >> 0x02] |= (((uint32_t)GPIO_PortSource) << (0x04 * (GPIO_PinSource & (uint8_t)0x03)));
mbed_official 52:a51c77007319 619 }
mbed_official 52:a51c77007319 620
mbed_official 52:a51c77007319 621 /**
mbed_official 52:a51c77007319 622 * @brief Selects the Ethernet media interface.
mbed_official 52:a51c77007319 623 * @note This function applies only to STM32 Connectivity line devices.
mbed_official 52:a51c77007319 624 * @param GPIO_ETH_MediaInterface: specifies the Media Interface mode.
mbed_official 52:a51c77007319 625 * This parameter can be one of the following values:
mbed_official 52:a51c77007319 626 * @arg GPIO_ETH_MediaInterface_MII: MII mode
mbed_official 52:a51c77007319 627 * @arg GPIO_ETH_MediaInterface_RMII: RMII mode
mbed_official 52:a51c77007319 628 * @retval None
mbed_official 52:a51c77007319 629 */
mbed_official 52:a51c77007319 630 void GPIO_ETH_MediaInterfaceConfig(uint32_t GPIO_ETH_MediaInterface)
mbed_official 52:a51c77007319 631 {
mbed_official 52:a51c77007319 632 assert_param(IS_GPIO_ETH_MEDIA_INTERFACE(GPIO_ETH_MediaInterface));
mbed_official 52:a51c77007319 633
mbed_official 52:a51c77007319 634 /* Configure MII_RMII selection bit */
mbed_official 52:a51c77007319 635 *(__IO uint32_t *) MAPR_MII_RMII_SEL_BB = GPIO_ETH_MediaInterface;
mbed_official 52:a51c77007319 636 }
mbed_official 52:a51c77007319 637
mbed_official 52:a51c77007319 638 /**
mbed_official 52:a51c77007319 639 * @}
mbed_official 52:a51c77007319 640 */
mbed_official 52:a51c77007319 641
mbed_official 52:a51c77007319 642 /**
mbed_official 52:a51c77007319 643 * @}
mbed_official 52:a51c77007319 644 */
mbed_official 52:a51c77007319 645
mbed_official 52:a51c77007319 646 /**
mbed_official 52:a51c77007319 647 * @}
mbed_official 52:a51c77007319 648 */
mbed_official 52:a51c77007319 649
mbed_official 52:a51c77007319 650 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/