From a22d9c106276bb1819e583012d7ea41b6529b318 Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Wed, 16 May 2018 08:14:05 +0800
Subject: [PATCH] add new LED key systick sample code
---
src/bare_test/4.Systick/stdlib/src/stm32f10x_gpio.c | 1300 +++++++++++++++++++++++++++++-----------------------------
1 files changed, 650 insertions(+), 650 deletions(-)
diff --git a/src/bare_test/stm32_key/fwlib/src/stm32f10x_gpio.c b/src/bare_test/4.Systick/stdlib/src/stm32f10x_gpio.c
similarity index 99%
copy from src/bare_test/stm32_key/fwlib/src/stm32f10x_gpio.c
copy to src/bare_test/4.Systick/stdlib/src/stm32f10x_gpio.c
index 93dbcd7..457ff11 100644
--- a/src/bare_test/stm32_key/fwlib/src/stm32f10x_gpio.c
+++ b/src/bare_test/4.Systick/stdlib/src/stm32f10x_gpio.c
@@ -1,650 +1,650 @@
-/**
- ******************************************************************************
- * @file stm32f10x_gpio.c
- * @author MCD Application Team
- * @version V3.5.0
- * @date 11-March-2011
- * @brief This file provides all the GPIO firmware functions.
- ******************************************************************************
- * @attention
- *
- * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
- * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
- * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
- * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
- * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
- * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
- *
- * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
- ******************************************************************************
- */
-
-/* Includes ------------------------------------------------------------------*/
-#include "stm32f10x_gpio.h"
-#include "stm32f10x_rcc.h"
-
-/** @addtogroup STM32F10x_StdPeriph_Driver
- * @{
- */
-
-/** @defgroup GPIO
- * @brief GPIO driver modules
- * @{
- */
-
-/** @defgroup GPIO_Private_TypesDefinitions
- * @{
- */
-
-/**
- * @}
- */
-
-/** @defgroup GPIO_Private_Defines
- * @{
- */
-
-/* ------------ RCC registers bit address in the alias region ----------------*/
-#define AFIO_OFFSET (AFIO_BASE - PERIPH_BASE)
-
-/* --- EVENTCR Register -----*/
-
-/* Alias word address of EVOE bit */
-#define EVCR_OFFSET (AFIO_OFFSET + 0x00)
-#define EVOE_BitNumber ((uint8_t)0x07)
-#define EVCR_EVOE_BB (PERIPH_BB_BASE + (EVCR_OFFSET * 32) + (EVOE_BitNumber * 4))
-
-
-/* --- MAPR Register ---*/
-/* Alias word address of MII_RMII_SEL bit */
-#define MAPR_OFFSET (AFIO_OFFSET + 0x04)
-#define MII_RMII_SEL_BitNumber ((u8)0x17)
-#define MAPR_MII_RMII_SEL_BB (PERIPH_BB_BASE + (MAPR_OFFSET * 32) + (MII_RMII_SEL_BitNumber * 4))
-
-
-#define EVCR_PORTPINCONFIG_MASK ((uint16_t)0xFF80)
-#define LSB_MASK ((uint16_t)0xFFFF)
-#define DBGAFR_POSITION_MASK ((uint32_t)0x000F0000)
-#define DBGAFR_SWJCFG_MASK ((uint32_t)0xF0FFFFFF)
-#define DBGAFR_LOCATION_MASK ((uint32_t)0x00200000)
-#define DBGAFR_NUMBITS_MASK ((uint32_t)0x00100000)
-/**
- * @}
- */
-
-/** @defgroup GPIO_Private_Macros
- * @{
- */
-
-/**
- * @}
- */
-
-/** @defgroup GPIO_Private_Variables
- * @{
- */
-
-/**
- * @}
- */
-
-/** @defgroup GPIO_Private_FunctionPrototypes
- * @{
- */
-
-/**
- * @}
- */
-
-/** @defgroup GPIO_Private_Functions
- * @{
- */
-
-/**
- * @brief Deinitializes the GPIOx peripheral registers to their default reset values.
- * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
- * @retval None
- */
-void GPIO_DeInit(GPIO_TypeDef* GPIOx)
-{
- /* Check the parameters */
- assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
-
- if (GPIOx == GPIOA)
- {
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOA, ENABLE);
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOA, DISABLE);
- }
- else if (GPIOx == GPIOB)
- {
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOB, ENABLE);
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOB, DISABLE);
- }
- else if (GPIOx == GPIOC)
- {
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOC, ENABLE);
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOC, DISABLE);
- }
- else if (GPIOx == GPIOD)
- {
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOD, ENABLE);
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOD, DISABLE);
- }
- else if (GPIOx == GPIOE)
- {
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOE, ENABLE);
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOE, DISABLE);
- }
- else if (GPIOx == GPIOF)
- {
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOF, ENABLE);
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOF, DISABLE);
- }
- else
- {
- if (GPIOx == GPIOG)
- {
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOG, ENABLE);
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOG, DISABLE);
- }
- }
-}
-
-/**
- * @brief Deinitializes the Alternate Functions (remap, event control
- * and EXTI configuration) registers to their default reset values.
- * @param None
- * @retval None
- */
-void GPIO_AFIODeInit(void)
-{
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_AFIO, ENABLE);
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_AFIO, DISABLE);
-}
-
-/**
- * @brief Initializes the GPIOx peripheral according to the specified
- * parameters in the GPIO_InitStruct.
- * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
- * @param GPIO_InitStruct: pointer to a GPIO_InitTypeDef structure that
- * contains the configuration information for the specified GPIO peripheral.
- * @retval None
- */
-void GPIO_Init(GPIO_TypeDef* GPIOx, GPIO_InitTypeDef* GPIO_InitStruct)
-{
- uint32_t currentmode = 0x00, currentpin = 0x00, pinpos = 0x00, pos = 0x00;
- uint32_t tmpreg = 0x00, pinmask = 0x00;
- /* Check the parameters */
- assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
- assert_param(IS_GPIO_MODE(GPIO_InitStruct->GPIO_Mode));
- assert_param(IS_GPIO_PIN(GPIO_InitStruct->GPIO_Pin));
-
-/*---------------------------- GPIO Mode Configuration -----------------------*/
- currentmode = ((uint32_t)GPIO_InitStruct->GPIO_Mode) & ((uint32_t)0x0F);
- if ((((uint32_t)GPIO_InitStruct->GPIO_Mode) & ((uint32_t)0x10)) != 0x00)
- {
- /* Check the parameters */
- assert_param(IS_GPIO_SPEED(GPIO_InitStruct->GPIO_Speed));
- /* Output mode */
- currentmode |= (uint32_t)GPIO_InitStruct->GPIO_Speed;
- }
-/*---------------------------- GPIO CRL Configuration ------------------------*/
- /* Configure the eight low port pins */
- if (((uint32_t)GPIO_InitStruct->GPIO_Pin & ((uint32_t)0x00FF)) != 0x00)
- {
- tmpreg = GPIOx->CRL;
- for (pinpos = 0x00; pinpos < 0x08; pinpos++)
- {
- pos = ((uint32_t)0x01) << pinpos;
- /* Get the port pins position */
- currentpin = (GPIO_InitStruct->GPIO_Pin) & pos;
- if (currentpin == pos)
- {
- pos = pinpos << 2;
- /* Clear the corresponding low control register bits */
- pinmask = ((uint32_t)0x0F) << pos;
- tmpreg &= ~pinmask;
- /* Write the mode configuration in the corresponding bits */
- tmpreg |= (currentmode << pos);
- /* Reset the corresponding ODR bit */
- if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPD)
- {
- GPIOx->BRR = (((uint32_t)0x01) << pinpos);
- }
- else
- {
- /* Set the corresponding ODR bit */
- if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPU)
- {
- GPIOx->BSRR = (((uint32_t)0x01) << pinpos);
- }
- }
- }
- }
- GPIOx->CRL = tmpreg;
- }
-/*---------------------------- GPIO CRH Configuration ------------------------*/
- /* Configure the eight high port pins */
- if (GPIO_InitStruct->GPIO_Pin > 0x00FF)
- {
- tmpreg = GPIOx->CRH;
- for (pinpos = 0x00; pinpos < 0x08; pinpos++)
- {
- pos = (((uint32_t)0x01) << (pinpos + 0x08));
- /* Get the port pins position */
- currentpin = ((GPIO_InitStruct->GPIO_Pin) & pos);
- if (currentpin == pos)
- {
- pos = pinpos << 2;
- /* Clear the corresponding high control register bits */
- pinmask = ((uint32_t)0x0F) << pos;
- tmpreg &= ~pinmask;
- /* Write the mode configuration in the corresponding bits */
- tmpreg |= (currentmode << pos);
- /* Reset the corresponding ODR bit */
- if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPD)
- {
- GPIOx->BRR = (((uint32_t)0x01) << (pinpos + 0x08));
- }
- /* Set the corresponding ODR bit */
- if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPU)
- {
- GPIOx->BSRR = (((uint32_t)0x01) << (pinpos + 0x08));
- }
- }
- }
- GPIOx->CRH = tmpreg;
- }
-}
-
-/**
- * @brief Fills each GPIO_InitStruct member with its default value.
- * @param GPIO_InitStruct : pointer to a GPIO_InitTypeDef structure which will
- * be initialized.
- * @retval None
- */
-void GPIO_StructInit(GPIO_InitTypeDef* GPIO_InitStruct)
-{
- /* Reset GPIO init structure parameters values */
- GPIO_InitStruct->GPIO_Pin = GPIO_Pin_All;
- GPIO_InitStruct->GPIO_Speed = GPIO_Speed_2MHz;
- GPIO_InitStruct->GPIO_Mode = GPIO_Mode_IN_FLOATING;
-}
-
-/**
- * @brief Reads the specified input port pin.
- * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
- * @param GPIO_Pin: specifies the port bit to read.
- * This parameter can be GPIO_Pin_x where x can be (0..15).
- * @retval The input port pin value.
- */
-uint8_t GPIO_ReadInputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
-{
- uint8_t bitstatus = 0x00;
-
- /* Check the parameters */
- assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
- assert_param(IS_GET_GPIO_PIN(GPIO_Pin));
-
- if ((GPIOx->IDR & GPIO_Pin) != (uint32_t)Bit_RESET)
- {
- bitstatus = (uint8_t)Bit_SET;
- }
- else
- {
- bitstatus = (uint8_t)Bit_RESET;
- }
- return bitstatus;
-}
-
-/**
- * @brief Reads the specified GPIO input data port.
- * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
- * @retval GPIO input data port value.
- */
-uint16_t GPIO_ReadInputData(GPIO_TypeDef* GPIOx)
-{
- /* Check the parameters */
- assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
-
- return ((uint16_t)GPIOx->IDR);
-}
-
-/**
- * @brief Reads the specified output data port bit.
- * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
- * @param GPIO_Pin: specifies the port bit to read.
- * This parameter can be GPIO_Pin_x where x can be (0..15).
- * @retval The output port pin value.
- */
-uint8_t GPIO_ReadOutputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
-{
- uint8_t bitstatus = 0x00;
- /* Check the parameters */
- assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
- assert_param(IS_GET_GPIO_PIN(GPIO_Pin));
-
- if ((GPIOx->ODR & GPIO_Pin) != (uint32_t)Bit_RESET)
- {
- bitstatus = (uint8_t)Bit_SET;
- }
- else
- {
- bitstatus = (uint8_t)Bit_RESET;
- }
- return bitstatus;
-}
-
-/**
- * @brief Reads the specified GPIO output data port.
- * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
- * @retval GPIO output data port value.
- */
-uint16_t GPIO_ReadOutputData(GPIO_TypeDef* GPIOx)
-{
- /* Check the parameters */
- assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
-
- return ((uint16_t)GPIOx->ODR);
-}
-
-/**
- * @brief Sets the selected data port bits.
- * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
- * @param GPIO_Pin: specifies the port bits to be written.
- * This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
- * @retval None
- */
-void GPIO_SetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
-{
- /* Check the parameters */
- assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
- assert_param(IS_GPIO_PIN(GPIO_Pin));
-
- GPIOx->BSRR = GPIO_Pin;
-}
-
-/**
- * @brief Clears the selected data port bits.
- * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
- * @param GPIO_Pin: specifies the port bits to be written.
- * This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
- * @retval None
- */
-void GPIO_ResetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
-{
- /* Check the parameters */
- assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
- assert_param(IS_GPIO_PIN(GPIO_Pin));
-
- GPIOx->BRR = GPIO_Pin;
-}
-
-/**
- * @brief Sets or clears the selected data port bit.
- * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
- * @param GPIO_Pin: specifies the port bit to be written.
- * This parameter can be one of GPIO_Pin_x where x can be (0..15).
- * @param BitVal: specifies the value to be written to the selected bit.
- * This parameter can be one of the BitAction enum values:
- * @arg Bit_RESET: to clear the port pin
- * @arg Bit_SET: to set the port pin
- * @retval None
- */
-void GPIO_WriteBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, BitAction BitVal)
-{
- /* Check the parameters */
- assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
- assert_param(IS_GET_GPIO_PIN(GPIO_Pin));
- assert_param(IS_GPIO_BIT_ACTION(BitVal));
-
- if (BitVal != Bit_RESET)
- {
- GPIOx->BSRR = GPIO_Pin;
- }
- else
- {
- GPIOx->BRR = GPIO_Pin;
- }
-}
-
-/**
- * @brief Writes data to the specified GPIO data port.
- * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
- * @param PortVal: specifies the value to be written to the port output data register.
- * @retval None
- */
-void GPIO_Write(GPIO_TypeDef* GPIOx, uint16_t PortVal)
-{
- /* Check the parameters */
- assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
-
- GPIOx->ODR = PortVal;
-}
-
-/**
- * @brief Locks GPIO Pins configuration registers.
- * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
- * @param GPIO_Pin: specifies the port bit to be written.
- * This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
- * @retval None
- */
-void GPIO_PinLockConfig(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
-{
- uint32_t tmp = 0x00010000;
-
- /* Check the parameters */
- assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
- assert_param(IS_GPIO_PIN(GPIO_Pin));
-
- tmp |= GPIO_Pin;
- /* Set LCKK bit */
- GPIOx->LCKR = tmp;
- /* Reset LCKK bit */
- GPIOx->LCKR = GPIO_Pin;
- /* Set LCKK bit */
- GPIOx->LCKR = tmp;
- /* Read LCKK bit*/
- tmp = GPIOx->LCKR;
- /* Read LCKK bit*/
- tmp = GPIOx->LCKR;
-}
-
-/**
- * @brief Selects the GPIO pin used as Event output.
- * @param GPIO_PortSource: selects the GPIO port to be used as source
- * for Event output.
- * This parameter can be GPIO_PortSourceGPIOx where x can be (A..E).
- * @param GPIO_PinSource: specifies the pin for the Event output.
- * This parameter can be GPIO_PinSourcex where x can be (0..15).
- * @retval None
- */
-void GPIO_EventOutputConfig(uint8_t GPIO_PortSource, uint8_t GPIO_PinSource)
-{
- uint32_t tmpreg = 0x00;
- /* Check the parameters */
- assert_param(IS_GPIO_EVENTOUT_PORT_SOURCE(GPIO_PortSource));
- assert_param(IS_GPIO_PIN_SOURCE(GPIO_PinSource));
-
- tmpreg = AFIO->EVCR;
- /* Clear the PORT[6:4] and PIN[3:0] bits */
- tmpreg &= EVCR_PORTPINCONFIG_MASK;
- tmpreg |= (uint32_t)GPIO_PortSource << 0x04;
- tmpreg |= GPIO_PinSource;
- AFIO->EVCR = tmpreg;
-}
-
-/**
- * @brief Enables or disables the Event Output.
- * @param NewState: new state of the Event output.
- * This parameter can be: ENABLE or DISABLE.
- * @retval None
- */
-void GPIO_EventOutputCmd(FunctionalState NewState)
-{
- /* Check the parameters */
- assert_param(IS_FUNCTIONAL_STATE(NewState));
-
- *(__IO uint32_t *) EVCR_EVOE_BB = (uint32_t)NewState;
-}
-
-/**
- * @brief Changes the mapping of the specified pin.
- * @param GPIO_Remap: selects the pin to remap.
- * This parameter can be one of the following values:
- * @arg GPIO_Remap_SPI1 : SPI1 Alternate Function mapping
- * @arg GPIO_Remap_I2C1 : I2C1 Alternate Function mapping
- * @arg GPIO_Remap_USART1 : USART1 Alternate Function mapping
- * @arg GPIO_Remap_USART2 : USART2 Alternate Function mapping
- * @arg GPIO_PartialRemap_USART3 : USART3 Partial Alternate Function mapping
- * @arg GPIO_FullRemap_USART3 : USART3 Full Alternate Function mapping
- * @arg GPIO_PartialRemap_TIM1 : TIM1 Partial Alternate Function mapping
- * @arg GPIO_FullRemap_TIM1 : TIM1 Full Alternate Function mapping
- * @arg GPIO_PartialRemap1_TIM2 : TIM2 Partial1 Alternate Function mapping
- * @arg GPIO_PartialRemap2_TIM2 : TIM2 Partial2 Alternate Function mapping
- * @arg GPIO_FullRemap_TIM2 : TIM2 Full Alternate Function mapping
- * @arg GPIO_PartialRemap_TIM3 : TIM3 Partial Alternate Function mapping
- * @arg GPIO_FullRemap_TIM3 : TIM3 Full Alternate Function mapping
- * @arg GPIO_Remap_TIM4 : TIM4 Alternate Function mapping
- * @arg GPIO_Remap1_CAN1 : CAN1 Alternate Function mapping
- * @arg GPIO_Remap2_CAN1 : CAN1 Alternate Function mapping
- * @arg GPIO_Remap_PD01 : PD01 Alternate Function mapping
- * @arg GPIO_Remap_TIM5CH4_LSI : LSI connected to TIM5 Channel4 input capture for calibration
- * @arg GPIO_Remap_ADC1_ETRGINJ : ADC1 External Trigger Injected Conversion remapping
- * @arg GPIO_Remap_ADC1_ETRGREG : ADC1 External Trigger Regular Conversion remapping
- * @arg GPIO_Remap_ADC2_ETRGINJ : ADC2 External Trigger Injected Conversion remapping
- * @arg GPIO_Remap_ADC2_ETRGREG : ADC2 External Trigger Regular Conversion remapping
- * @arg GPIO_Remap_ETH : Ethernet remapping (only for Connectivity line devices)
- * @arg GPIO_Remap_CAN2 : CAN2 remapping (only for Connectivity line devices)
- * @arg GPIO_Remap_SWJ_NoJTRST : Full SWJ Enabled (JTAG-DP + SW-DP) but without JTRST
- * @arg GPIO_Remap_SWJ_JTAGDisable : JTAG-DP Disabled and SW-DP Enabled
- * @arg GPIO_Remap_SWJ_Disable : Full SWJ Disabled (JTAG-DP + SW-DP)
- * @arg GPIO_Remap_SPI3 : SPI3/I2S3 Alternate Function mapping (only for Connectivity line devices)
- * When the SPI3/I2S3 is remapped using this function, the SWJ is configured
- * to Full SWJ Enabled (JTAG-DP + SW-DP) but without JTRST.
- * @arg GPIO_Remap_TIM2ITR1_PTP_SOF : Ethernet PTP output or USB OTG SOF (Start of Frame) connected
- * to TIM2 Internal Trigger 1 for calibration (only for Connectivity line devices)
- * If the GPIO_Remap_TIM2ITR1_PTP_SOF is enabled the TIM2 ITR1 is connected to
- * Ethernet PTP output. When Reset TIM2 ITR1 is connected to USB OTG SOF output.
- * @arg GPIO_Remap_PTP_PPS : Ethernet MAC PPS_PTS output on PB05 (only for Connectivity line devices)
- * @arg GPIO_Remap_TIM15 : TIM15 Alternate Function mapping (only for Value line devices)
- * @arg GPIO_Remap_TIM16 : TIM16 Alternate Function mapping (only for Value line devices)
- * @arg GPIO_Remap_TIM17 : TIM17 Alternate Function mapping (only for Value line devices)
- * @arg GPIO_Remap_CEC : CEC Alternate Function mapping (only for Value line devices)
- * @arg GPIO_Remap_TIM1_DMA : TIM1 DMA requests mapping (only for Value line devices)
- * @arg GPIO_Remap_TIM9 : TIM9 Alternate Function mapping (only for XL-density devices)
- * @arg GPIO_Remap_TIM10 : TIM10 Alternate Function mapping (only for XL-density devices)
- * @arg GPIO_Remap_TIM11 : TIM11 Alternate Function mapping (only for XL-density devices)
- * @arg GPIO_Remap_TIM13 : TIM13 Alternate Function mapping (only for High density Value line and XL-density devices)
- * @arg GPIO_Remap_TIM14 : TIM14 Alternate Function mapping (only for High density Value line and XL-density devices)
- * @arg GPIO_Remap_FSMC_NADV : FSMC_NADV Alternate Function mapping (only for High density Value line and XL-density devices)
- * @arg GPIO_Remap_TIM67_DAC_DMA : TIM6/TIM7 and DAC DMA requests remapping (only for High density Value line devices)
- * @arg GPIO_Remap_TIM12 : TIM12 Alternate Function mapping (only for High density Value line devices)
- * @arg GPIO_Remap_MISC : Miscellaneous Remap (DMA2 Channel5 Position and DAC Trigger remapping,
- * only for High density Value line devices)
- * @param NewState: new state of the port pin remapping.
- * This parameter can be: ENABLE or DISABLE.
- * @retval None
- */
-void GPIO_PinRemapConfig(uint32_t GPIO_Remap, FunctionalState NewState)
-{
- uint32_t tmp = 0x00, tmp1 = 0x00, tmpreg = 0x00, tmpmask = 0x00;
-
- /* Check the parameters */
- assert_param(IS_GPIO_REMAP(GPIO_Remap));
- assert_param(IS_FUNCTIONAL_STATE(NewState));
-
- if((GPIO_Remap & 0x80000000) == 0x80000000)
- {
- tmpreg = AFIO->MAPR2;
- }
- else
- {
- tmpreg = AFIO->MAPR;
- }
-
- tmpmask = (GPIO_Remap & DBGAFR_POSITION_MASK) >> 0x10;
- tmp = GPIO_Remap & LSB_MASK;
-
- if ((GPIO_Remap & (DBGAFR_LOCATION_MASK | DBGAFR_NUMBITS_MASK)) == (DBGAFR_LOCATION_MASK | DBGAFR_NUMBITS_MASK))
- {
- tmpreg &= DBGAFR_SWJCFG_MASK;
- AFIO->MAPR &= DBGAFR_SWJCFG_MASK;
- }
- else if ((GPIO_Remap & DBGAFR_NUMBITS_MASK) == DBGAFR_NUMBITS_MASK)
- {
- tmp1 = ((uint32_t)0x03) << tmpmask;
- tmpreg &= ~tmp1;
- tmpreg |= ~DBGAFR_SWJCFG_MASK;
- }
- else
- {
- tmpreg &= ~(tmp << ((GPIO_Remap >> 0x15)*0x10));
- tmpreg |= ~DBGAFR_SWJCFG_MASK;
- }
-
- if (NewState != DISABLE)
- {
- tmpreg |= (tmp << ((GPIO_Remap >> 0x15)*0x10));
- }
-
- if((GPIO_Remap & 0x80000000) == 0x80000000)
- {
- AFIO->MAPR2 = tmpreg;
- }
- else
- {
- AFIO->MAPR = tmpreg;
- }
-}
-
-/**
- * @brief Selects the GPIO pin used as EXTI Line.
- * @param GPIO_PortSource: selects the GPIO port to be used as source for EXTI lines.
- * This parameter can be GPIO_PortSourceGPIOx where x can be (A..G).
- * @param GPIO_PinSource: specifies the EXTI line to be configured.
- * This parameter can be GPIO_PinSourcex where x can be (0..15).
- * @retval None
- */
-void GPIO_EXTILineConfig(uint8_t GPIO_PortSource, uint8_t GPIO_PinSource)
-{
- uint32_t tmp = 0x00;
- /* Check the parameters */
- assert_param(IS_GPIO_EXTI_PORT_SOURCE(GPIO_PortSource));
- assert_param(IS_GPIO_PIN_SOURCE(GPIO_PinSource));
-
- tmp = ((uint32_t)0x0F) << (0x04 * (GPIO_PinSource & (uint8_t)0x03));
- AFIO->EXTICR[GPIO_PinSource >> 0x02] &= ~tmp;
- AFIO->EXTICR[GPIO_PinSource >> 0x02] |= (((uint32_t)GPIO_PortSource) << (0x04 * (GPIO_PinSource & (uint8_t)0x03)));
-}
-
-/**
- * @brief Selects the Ethernet media interface.
- * @note This function applies only to STM32 Connectivity line devices.
- * @param GPIO_ETH_MediaInterface: specifies the Media Interface mode.
- * This parameter can be one of the following values:
- * @arg GPIO_ETH_MediaInterface_MII: MII mode
- * @arg GPIO_ETH_MediaInterface_RMII: RMII mode
- * @retval None
- */
-void GPIO_ETH_MediaInterfaceConfig(uint32_t GPIO_ETH_MediaInterface)
-{
- assert_param(IS_GPIO_ETH_MEDIA_INTERFACE(GPIO_ETH_MediaInterface));
-
- /* Configure MII_RMII selection bit */
- *(__IO uint32_t *) MAPR_MII_RMII_SEL_BB = GPIO_ETH_MediaInterface;
-}
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
+/**
+ ******************************************************************************
+ * @file stm32f10x_gpio.c
+ * @author MCD Application Team
+ * @version V3.5.0
+ * @date 11-March-2011
+ * @brief This file provides all the GPIO firmware functions.
+ ******************************************************************************
+ * @attention
+ *
+ * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
+ * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
+ * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
+ * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
+ * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
+ * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+ *
+ * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f10x_gpio.h"
+#include "stm32f10x_rcc.h"
+
+/** @addtogroup STM32F10x_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup GPIO
+ * @brief GPIO driver modules
+ * @{
+ */
+
+/** @defgroup GPIO_Private_TypesDefinitions
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @defgroup GPIO_Private_Defines
+ * @{
+ */
+
+/* ------------ RCC registers bit address in the alias region ----------------*/
+#define AFIO_OFFSET (AFIO_BASE - PERIPH_BASE)
+
+/* --- EVENTCR Register -----*/
+
+/* Alias word address of EVOE bit */
+#define EVCR_OFFSET (AFIO_OFFSET + 0x00)
+#define EVOE_BitNumber ((uint8_t)0x07)
+#define EVCR_EVOE_BB (PERIPH_BB_BASE + (EVCR_OFFSET * 32) + (EVOE_BitNumber * 4))
+
+
+/* --- MAPR Register ---*/
+/* Alias word address of MII_RMII_SEL bit */
+#define MAPR_OFFSET (AFIO_OFFSET + 0x04)
+#define MII_RMII_SEL_BitNumber ((u8)0x17)
+#define MAPR_MII_RMII_SEL_BB (PERIPH_BB_BASE + (MAPR_OFFSET * 32) + (MII_RMII_SEL_BitNumber * 4))
+
+
+#define EVCR_PORTPINCONFIG_MASK ((uint16_t)0xFF80)
+#define LSB_MASK ((uint16_t)0xFFFF)
+#define DBGAFR_POSITION_MASK ((uint32_t)0x000F0000)
+#define DBGAFR_SWJCFG_MASK ((uint32_t)0xF0FFFFFF)
+#define DBGAFR_LOCATION_MASK ((uint32_t)0x00200000)
+#define DBGAFR_NUMBITS_MASK ((uint32_t)0x00100000)
+/**
+ * @}
+ */
+
+/** @defgroup GPIO_Private_Macros
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @defgroup GPIO_Private_Variables
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @defgroup GPIO_Private_FunctionPrototypes
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @defgroup GPIO_Private_Functions
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the GPIOx peripheral registers to their default reset values.
+ * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
+ * @retval None
+ */
+void GPIO_DeInit(GPIO_TypeDef* GPIOx)
+{
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+
+ if (GPIOx == GPIOA)
+ {
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOA, ENABLE);
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOA, DISABLE);
+ }
+ else if (GPIOx == GPIOB)
+ {
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOB, ENABLE);
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOB, DISABLE);
+ }
+ else if (GPIOx == GPIOC)
+ {
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOC, ENABLE);
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOC, DISABLE);
+ }
+ else if (GPIOx == GPIOD)
+ {
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOD, ENABLE);
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOD, DISABLE);
+ }
+ else if (GPIOx == GPIOE)
+ {
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOE, ENABLE);
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOE, DISABLE);
+ }
+ else if (GPIOx == GPIOF)
+ {
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOF, ENABLE);
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOF, DISABLE);
+ }
+ else
+ {
+ if (GPIOx == GPIOG)
+ {
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOG, ENABLE);
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOG, DISABLE);
+ }
+ }
+}
+
+/**
+ * @brief Deinitializes the Alternate Functions (remap, event control
+ * and EXTI configuration) registers to their default reset values.
+ * @param None
+ * @retval None
+ */
+void GPIO_AFIODeInit(void)
+{
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_AFIO, ENABLE);
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_AFIO, DISABLE);
+}
+
+/**
+ * @brief Initializes the GPIOx peripheral according to the specified
+ * parameters in the GPIO_InitStruct.
+ * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
+ * @param GPIO_InitStruct: pointer to a GPIO_InitTypeDef structure that
+ * contains the configuration information for the specified GPIO peripheral.
+ * @retval None
+ */
+void GPIO_Init(GPIO_TypeDef* GPIOx, GPIO_InitTypeDef* GPIO_InitStruct)
+{
+ uint32_t currentmode = 0x00, currentpin = 0x00, pinpos = 0x00, pos = 0x00;
+ uint32_t tmpreg = 0x00, pinmask = 0x00;
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+ assert_param(IS_GPIO_MODE(GPIO_InitStruct->GPIO_Mode));
+ assert_param(IS_GPIO_PIN(GPIO_InitStruct->GPIO_Pin));
+
+/*---------------------------- GPIO Mode Configuration -----------------------*/
+ currentmode = ((uint32_t)GPIO_InitStruct->GPIO_Mode) & ((uint32_t)0x0F);
+ if ((((uint32_t)GPIO_InitStruct->GPIO_Mode) & ((uint32_t)0x10)) != 0x00)
+ {
+ /* Check the parameters */
+ assert_param(IS_GPIO_SPEED(GPIO_InitStruct->GPIO_Speed));
+ /* Output mode */
+ currentmode |= (uint32_t)GPIO_InitStruct->GPIO_Speed;
+ }
+/*---------------------------- GPIO CRL Configuration ------------------------*/
+ /* Configure the eight low port pins */
+ if (((uint32_t)GPIO_InitStruct->GPIO_Pin & ((uint32_t)0x00FF)) != 0x00)
+ {
+ tmpreg = GPIOx->CRL;
+ for (pinpos = 0x00; pinpos < 0x08; pinpos++)
+ {
+ pos = ((uint32_t)0x01) << pinpos;
+ /* Get the port pins position */
+ currentpin = (GPIO_InitStruct->GPIO_Pin) & pos;
+ if (currentpin == pos)
+ {
+ pos = pinpos << 2;
+ /* Clear the corresponding low control register bits */
+ pinmask = ((uint32_t)0x0F) << pos;
+ tmpreg &= ~pinmask;
+ /* Write the mode configuration in the corresponding bits */
+ tmpreg |= (currentmode << pos);
+ /* Reset the corresponding ODR bit */
+ if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPD)
+ {
+ GPIOx->BRR = (((uint32_t)0x01) << pinpos);
+ }
+ else
+ {
+ /* Set the corresponding ODR bit */
+ if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPU)
+ {
+ GPIOx->BSRR = (((uint32_t)0x01) << pinpos);
+ }
+ }
+ }
+ }
+ GPIOx->CRL = tmpreg;
+ }
+/*---------------------------- GPIO CRH Configuration ------------------------*/
+ /* Configure the eight high port pins */
+ if (GPIO_InitStruct->GPIO_Pin > 0x00FF)
+ {
+ tmpreg = GPIOx->CRH;
+ for (pinpos = 0x00; pinpos < 0x08; pinpos++)
+ {
+ pos = (((uint32_t)0x01) << (pinpos + 0x08));
+ /* Get the port pins position */
+ currentpin = ((GPIO_InitStruct->GPIO_Pin) & pos);
+ if (currentpin == pos)
+ {
+ pos = pinpos << 2;
+ /* Clear the corresponding high control register bits */
+ pinmask = ((uint32_t)0x0F) << pos;
+ tmpreg &= ~pinmask;
+ /* Write the mode configuration in the corresponding bits */
+ tmpreg |= (currentmode << pos);
+ /* Reset the corresponding ODR bit */
+ if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPD)
+ {
+ GPIOx->BRR = (((uint32_t)0x01) << (pinpos + 0x08));
+ }
+ /* Set the corresponding ODR bit */
+ if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPU)
+ {
+ GPIOx->BSRR = (((uint32_t)0x01) << (pinpos + 0x08));
+ }
+ }
+ }
+ GPIOx->CRH = tmpreg;
+ }
+}
+
+/**
+ * @brief Fills each GPIO_InitStruct member with its default value.
+ * @param GPIO_InitStruct : pointer to a GPIO_InitTypeDef structure which will
+ * be initialized.
+ * @retval None
+ */
+void GPIO_StructInit(GPIO_InitTypeDef* GPIO_InitStruct)
+{
+ /* Reset GPIO init structure parameters values */
+ GPIO_InitStruct->GPIO_Pin = GPIO_Pin_All;
+ GPIO_InitStruct->GPIO_Speed = GPIO_Speed_2MHz;
+ GPIO_InitStruct->GPIO_Mode = GPIO_Mode_IN_FLOATING;
+}
+
+/**
+ * @brief Reads the specified input port pin.
+ * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
+ * @param GPIO_Pin: specifies the port bit to read.
+ * This parameter can be GPIO_Pin_x where x can be (0..15).
+ * @retval The input port pin value.
+ */
+uint8_t GPIO_ReadInputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
+{
+ uint8_t bitstatus = 0x00;
+
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+ assert_param(IS_GET_GPIO_PIN(GPIO_Pin));
+
+ if ((GPIOx->IDR & GPIO_Pin) != (uint32_t)Bit_RESET)
+ {
+ bitstatus = (uint8_t)Bit_SET;
+ }
+ else
+ {
+ bitstatus = (uint8_t)Bit_RESET;
+ }
+ return bitstatus;
+}
+
+/**
+ * @brief Reads the specified GPIO input data port.
+ * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
+ * @retval GPIO input data port value.
+ */
+uint16_t GPIO_ReadInputData(GPIO_TypeDef* GPIOx)
+{
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+
+ return ((uint16_t)GPIOx->IDR);
+}
+
+/**
+ * @brief Reads the specified output data port bit.
+ * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
+ * @param GPIO_Pin: specifies the port bit to read.
+ * This parameter can be GPIO_Pin_x where x can be (0..15).
+ * @retval The output port pin value.
+ */
+uint8_t GPIO_ReadOutputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
+{
+ uint8_t bitstatus = 0x00;
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+ assert_param(IS_GET_GPIO_PIN(GPIO_Pin));
+
+ if ((GPIOx->ODR & GPIO_Pin) != (uint32_t)Bit_RESET)
+ {
+ bitstatus = (uint8_t)Bit_SET;
+ }
+ else
+ {
+ bitstatus = (uint8_t)Bit_RESET;
+ }
+ return bitstatus;
+}
+
+/**
+ * @brief Reads the specified GPIO output data port.
+ * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
+ * @retval GPIO output data port value.
+ */
+uint16_t GPIO_ReadOutputData(GPIO_TypeDef* GPIOx)
+{
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+
+ return ((uint16_t)GPIOx->ODR);
+}
+
+/**
+ * @brief Sets the selected data port bits.
+ * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
+ * @param GPIO_Pin: specifies the port bits to be written.
+ * This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
+ * @retval None
+ */
+void GPIO_SetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
+{
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+ assert_param(IS_GPIO_PIN(GPIO_Pin));
+
+ GPIOx->BSRR = GPIO_Pin;
+}
+
+/**
+ * @brief Clears the selected data port bits.
+ * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
+ * @param GPIO_Pin: specifies the port bits to be written.
+ * This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
+ * @retval None
+ */
+void GPIO_ResetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
+{
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+ assert_param(IS_GPIO_PIN(GPIO_Pin));
+
+ GPIOx->BRR = GPIO_Pin;
+}
+
+/**
+ * @brief Sets or clears the selected data port bit.
+ * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
+ * @param GPIO_Pin: specifies the port bit to be written.
+ * This parameter can be one of GPIO_Pin_x where x can be (0..15).
+ * @param BitVal: specifies the value to be written to the selected bit.
+ * This parameter can be one of the BitAction enum values:
+ * @arg Bit_RESET: to clear the port pin
+ * @arg Bit_SET: to set the port pin
+ * @retval None
+ */
+void GPIO_WriteBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, BitAction BitVal)
+{
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+ assert_param(IS_GET_GPIO_PIN(GPIO_Pin));
+ assert_param(IS_GPIO_BIT_ACTION(BitVal));
+
+ if (BitVal != Bit_RESET)
+ {
+ GPIOx->BSRR = GPIO_Pin;
+ }
+ else
+ {
+ GPIOx->BRR = GPIO_Pin;
+ }
+}
+
+/**
+ * @brief Writes data to the specified GPIO data port.
+ * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
+ * @param PortVal: specifies the value to be written to the port output data register.
+ * @retval None
+ */
+void GPIO_Write(GPIO_TypeDef* GPIOx, uint16_t PortVal)
+{
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+
+ GPIOx->ODR = PortVal;
+}
+
+/**
+ * @brief Locks GPIO Pins configuration registers.
+ * @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
+ * @param GPIO_Pin: specifies the port bit to be written.
+ * This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
+ * @retval None
+ */
+void GPIO_PinLockConfig(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
+{
+ uint32_t tmp = 0x00010000;
+
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+ assert_param(IS_GPIO_PIN(GPIO_Pin));
+
+ tmp |= GPIO_Pin;
+ /* Set LCKK bit */
+ GPIOx->LCKR = tmp;
+ /* Reset LCKK bit */
+ GPIOx->LCKR = GPIO_Pin;
+ /* Set LCKK bit */
+ GPIOx->LCKR = tmp;
+ /* Read LCKK bit*/
+ tmp = GPIOx->LCKR;
+ /* Read LCKK bit*/
+ tmp = GPIOx->LCKR;
+}
+
+/**
+ * @brief Selects the GPIO pin used as Event output.
+ * @param GPIO_PortSource: selects the GPIO port to be used as source
+ * for Event output.
+ * This parameter can be GPIO_PortSourceGPIOx where x can be (A..E).
+ * @param GPIO_PinSource: specifies the pin for the Event output.
+ * This parameter can be GPIO_PinSourcex where x can be (0..15).
+ * @retval None
+ */
+void GPIO_EventOutputConfig(uint8_t GPIO_PortSource, uint8_t GPIO_PinSource)
+{
+ uint32_t tmpreg = 0x00;
+ /* Check the parameters */
+ assert_param(IS_GPIO_EVENTOUT_PORT_SOURCE(GPIO_PortSource));
+ assert_param(IS_GPIO_PIN_SOURCE(GPIO_PinSource));
+
+ tmpreg = AFIO->EVCR;
+ /* Clear the PORT[6:4] and PIN[3:0] bits */
+ tmpreg &= EVCR_PORTPINCONFIG_MASK;
+ tmpreg |= (uint32_t)GPIO_PortSource << 0x04;
+ tmpreg |= GPIO_PinSource;
+ AFIO->EVCR = tmpreg;
+}
+
+/**
+ * @brief Enables or disables the Event Output.
+ * @param NewState: new state of the Event output.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void GPIO_EventOutputCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ *(__IO uint32_t *) EVCR_EVOE_BB = (uint32_t)NewState;
+}
+
+/**
+ * @brief Changes the mapping of the specified pin.
+ * @param GPIO_Remap: selects the pin to remap.
+ * This parameter can be one of the following values:
+ * @arg GPIO_Remap_SPI1 : SPI1 Alternate Function mapping
+ * @arg GPIO_Remap_I2C1 : I2C1 Alternate Function mapping
+ * @arg GPIO_Remap_USART1 : USART1 Alternate Function mapping
+ * @arg GPIO_Remap_USART2 : USART2 Alternate Function mapping
+ * @arg GPIO_PartialRemap_USART3 : USART3 Partial Alternate Function mapping
+ * @arg GPIO_FullRemap_USART3 : USART3 Full Alternate Function mapping
+ * @arg GPIO_PartialRemap_TIM1 : TIM1 Partial Alternate Function mapping
+ * @arg GPIO_FullRemap_TIM1 : TIM1 Full Alternate Function mapping
+ * @arg GPIO_PartialRemap1_TIM2 : TIM2 Partial1 Alternate Function mapping
+ * @arg GPIO_PartialRemap2_TIM2 : TIM2 Partial2 Alternate Function mapping
+ * @arg GPIO_FullRemap_TIM2 : TIM2 Full Alternate Function mapping
+ * @arg GPIO_PartialRemap_TIM3 : TIM3 Partial Alternate Function mapping
+ * @arg GPIO_FullRemap_TIM3 : TIM3 Full Alternate Function mapping
+ * @arg GPIO_Remap_TIM4 : TIM4 Alternate Function mapping
+ * @arg GPIO_Remap1_CAN1 : CAN1 Alternate Function mapping
+ * @arg GPIO_Remap2_CAN1 : CAN1 Alternate Function mapping
+ * @arg GPIO_Remap_PD01 : PD01 Alternate Function mapping
+ * @arg GPIO_Remap_TIM5CH4_LSI : LSI connected to TIM5 Channel4 input capture for calibration
+ * @arg GPIO_Remap_ADC1_ETRGINJ : ADC1 External Trigger Injected Conversion remapping
+ * @arg GPIO_Remap_ADC1_ETRGREG : ADC1 External Trigger Regular Conversion remapping
+ * @arg GPIO_Remap_ADC2_ETRGINJ : ADC2 External Trigger Injected Conversion remapping
+ * @arg GPIO_Remap_ADC2_ETRGREG : ADC2 External Trigger Regular Conversion remapping
+ * @arg GPIO_Remap_ETH : Ethernet remapping (only for Connectivity line devices)
+ * @arg GPIO_Remap_CAN2 : CAN2 remapping (only for Connectivity line devices)
+ * @arg GPIO_Remap_SWJ_NoJTRST : Full SWJ Enabled (JTAG-DP + SW-DP) but without JTRST
+ * @arg GPIO_Remap_SWJ_JTAGDisable : JTAG-DP Disabled and SW-DP Enabled
+ * @arg GPIO_Remap_SWJ_Disable : Full SWJ Disabled (JTAG-DP + SW-DP)
+ * @arg GPIO_Remap_SPI3 : SPI3/I2S3 Alternate Function mapping (only for Connectivity line devices)
+ * When the SPI3/I2S3 is remapped using this function, the SWJ is configured
+ * to Full SWJ Enabled (JTAG-DP + SW-DP) but without JTRST.
+ * @arg GPIO_Remap_TIM2ITR1_PTP_SOF : Ethernet PTP output or USB OTG SOF (Start of Frame) connected
+ * to TIM2 Internal Trigger 1 for calibration (only for Connectivity line devices)
+ * If the GPIO_Remap_TIM2ITR1_PTP_SOF is enabled the TIM2 ITR1 is connected to
+ * Ethernet PTP output. When Reset TIM2 ITR1 is connected to USB OTG SOF output.
+ * @arg GPIO_Remap_PTP_PPS : Ethernet MAC PPS_PTS output on PB05 (only for Connectivity line devices)
+ * @arg GPIO_Remap_TIM15 : TIM15 Alternate Function mapping (only for Value line devices)
+ * @arg GPIO_Remap_TIM16 : TIM16 Alternate Function mapping (only for Value line devices)
+ * @arg GPIO_Remap_TIM17 : TIM17 Alternate Function mapping (only for Value line devices)
+ * @arg GPIO_Remap_CEC : CEC Alternate Function mapping (only for Value line devices)
+ * @arg GPIO_Remap_TIM1_DMA : TIM1 DMA requests mapping (only for Value line devices)
+ * @arg GPIO_Remap_TIM9 : TIM9 Alternate Function mapping (only for XL-density devices)
+ * @arg GPIO_Remap_TIM10 : TIM10 Alternate Function mapping (only for XL-density devices)
+ * @arg GPIO_Remap_TIM11 : TIM11 Alternate Function mapping (only for XL-density devices)
+ * @arg GPIO_Remap_TIM13 : TIM13 Alternate Function mapping (only for High density Value line and XL-density devices)
+ * @arg GPIO_Remap_TIM14 : TIM14 Alternate Function mapping (only for High density Value line and XL-density devices)
+ * @arg GPIO_Remap_FSMC_NADV : FSMC_NADV Alternate Function mapping (only for High density Value line and XL-density devices)
+ * @arg GPIO_Remap_TIM67_DAC_DMA : TIM6/TIM7 and DAC DMA requests remapping (only for High density Value line devices)
+ * @arg GPIO_Remap_TIM12 : TIM12 Alternate Function mapping (only for High density Value line devices)
+ * @arg GPIO_Remap_MISC : Miscellaneous Remap (DMA2 Channel5 Position and DAC Trigger remapping,
+ * only for High density Value line devices)
+ * @param NewState: new state of the port pin remapping.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void GPIO_PinRemapConfig(uint32_t GPIO_Remap, FunctionalState NewState)
+{
+ uint32_t tmp = 0x00, tmp1 = 0x00, tmpreg = 0x00, tmpmask = 0x00;
+
+ /* Check the parameters */
+ assert_param(IS_GPIO_REMAP(GPIO_Remap));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if((GPIO_Remap & 0x80000000) == 0x80000000)
+ {
+ tmpreg = AFIO->MAPR2;
+ }
+ else
+ {
+ tmpreg = AFIO->MAPR;
+ }
+
+ tmpmask = (GPIO_Remap & DBGAFR_POSITION_MASK) >> 0x10;
+ tmp = GPIO_Remap & LSB_MASK;
+
+ if ((GPIO_Remap & (DBGAFR_LOCATION_MASK | DBGAFR_NUMBITS_MASK)) == (DBGAFR_LOCATION_MASK | DBGAFR_NUMBITS_MASK))
+ {
+ tmpreg &= DBGAFR_SWJCFG_MASK;
+ AFIO->MAPR &= DBGAFR_SWJCFG_MASK;
+ }
+ else if ((GPIO_Remap & DBGAFR_NUMBITS_MASK) == DBGAFR_NUMBITS_MASK)
+ {
+ tmp1 = ((uint32_t)0x03) << tmpmask;
+ tmpreg &= ~tmp1;
+ tmpreg |= ~DBGAFR_SWJCFG_MASK;
+ }
+ else
+ {
+ tmpreg &= ~(tmp << ((GPIO_Remap >> 0x15)*0x10));
+ tmpreg |= ~DBGAFR_SWJCFG_MASK;
+ }
+
+ if (NewState != DISABLE)
+ {
+ tmpreg |= (tmp << ((GPIO_Remap >> 0x15)*0x10));
+ }
+
+ if((GPIO_Remap & 0x80000000) == 0x80000000)
+ {
+ AFIO->MAPR2 = tmpreg;
+ }
+ else
+ {
+ AFIO->MAPR = tmpreg;
+ }
+}
+
+/**
+ * @brief Selects the GPIO pin used as EXTI Line.
+ * @param GPIO_PortSource: selects the GPIO port to be used as source for EXTI lines.
+ * This parameter can be GPIO_PortSourceGPIOx where x can be (A..G).
+ * @param GPIO_PinSource: specifies the EXTI line to be configured.
+ * This parameter can be GPIO_PinSourcex where x can be (0..15).
+ * @retval None
+ */
+void GPIO_EXTILineConfig(uint8_t GPIO_PortSource, uint8_t GPIO_PinSource)
+{
+ uint32_t tmp = 0x00;
+ /* Check the parameters */
+ assert_param(IS_GPIO_EXTI_PORT_SOURCE(GPIO_PortSource));
+ assert_param(IS_GPIO_PIN_SOURCE(GPIO_PinSource));
+
+ tmp = ((uint32_t)0x0F) << (0x04 * (GPIO_PinSource & (uint8_t)0x03));
+ AFIO->EXTICR[GPIO_PinSource >> 0x02] &= ~tmp;
+ AFIO->EXTICR[GPIO_PinSource >> 0x02] |= (((uint32_t)GPIO_PortSource) << (0x04 * (GPIO_PinSource & (uint8_t)0x03)));
+}
+
+/**
+ * @brief Selects the Ethernet media interface.
+ * @note This function applies only to STM32 Connectivity line devices.
+ * @param GPIO_ETH_MediaInterface: specifies the Media Interface mode.
+ * This parameter can be one of the following values:
+ * @arg GPIO_ETH_MediaInterface_MII: MII mode
+ * @arg GPIO_ETH_MediaInterface_RMII: RMII mode
+ * @retval None
+ */
+void GPIO_ETH_MediaInterfaceConfig(uint32_t GPIO_ETH_MediaInterface)
+{
+ assert_param(IS_GPIO_ETH_MEDIA_INTERFACE(GPIO_ETH_MediaInterface));
+
+ /* Configure MII_RMII selection bit */
+ *(__IO uint32_t *) MAPR_MII_RMII_SEL_BB = GPIO_ETH_MediaInterface;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
--
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