694 lines
17 KiB
C
694 lines
17 KiB
C
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/**
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******************************************************************************
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* @file stm32h7xx_nucleo.c
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* @author MCD Application Team
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* @brief This file provides set of firmware functions to manage:
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* - LEDs and push-button available on STM32H7xx-Nucleo Kit
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* from STMicroelectronics
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2018 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "stm32h7xx_nucleo.h"
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/** @addtogroup BSP
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* @{
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*/
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/** @addtogroup STM32H7XX_NUCLEO
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* @{
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*/
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/** @addtogroup STM32H7XX_NUCLEO_LOW_LEVEL
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* @brief This file provides set of firmware functions to manage Leds and push-button
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* available on STM32H7xx-Nucleo Kit from STMicroelectronics.
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* @{
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*/
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/** @defgroup STM32H7XX_NUCLEO_LOW_LEVEL_Private_Defines LOW LEVEL Private Defines
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* @{
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*/
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/**
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* @}
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*/
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/** @defgroup STM32H7XX_NUCLEO_LOW_LEVEL_Private_TypesDefinitions LOW LEVEL Private Typedef
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* @{
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*/
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typedef void (* BSP_EXTI_LineCallback) (void);
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/**
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* @}
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*/
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/** @defgroup STM32H7XX_NUCLEO_LOW_LEVEL_Exported_Variables LOW LEVEL Exported Variables
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* @{
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*/
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EXTI_HandleTypeDef hpb_exti[BUTTONn];
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#if (USE_BSP_COM_FEATURE > 0)
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UART_HandleTypeDef hcom_uart[COMn];
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USART_TypeDef* COM_USART[COMn] = {COM1_UART};
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#endif
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/**
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* @}
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*/
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/** @defgroup STM32H7XX_NUCLEO_LOW_LEVEL_Private_Variables LOW LEVEL Private Variables
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* @{
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*/
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static GPIO_TypeDef* LED_PORT[LEDn] = {LED1_GPIO_PORT,
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LED2_GPIO_PORT,
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LED3_GPIO_PORT};
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static const uint16_t LED_PIN[LEDn] = {LED1_PIN,
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LED2_PIN,
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LED3_PIN};
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static GPIO_TypeDef* BUTTON_PORT[BUTTONn] = {BUTTON_USER_GPIO_PORT};
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static const uint16_t BUTTON_PIN[BUTTONn] = {BUTTON_USER_PIN};
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static const IRQn_Type BUTTON_IRQn[BUTTONn] = {BUTTON_USER_EXTI_IRQn};
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#if (USE_BSP_COM_FEATURE > 0)
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#if (USE_COM_LOG > 0)
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static COM_TypeDef COM_ActiveLogPort = COM1;
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#endif
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#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
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static uint32_t IsComMspCbValid[COMn] = {0};
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#endif
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#endif
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/**
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* @}
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*/
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/** @defgroup STM32H7XX_NUCLEO_LOW_LEVEL_Private_FunctionPrototypes LOW LEVEL Private functions Prototypes
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* @{
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*/
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static void BUTTON_USER_EXTI_Callback(void);
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#if (USE_BSP_COM_FEATURE > 0)
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static void COM1_MspInit(UART_HandleTypeDef *huart);
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static void COM1_MspDeInit(UART_HandleTypeDef *huart);
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#endif
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/**
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* @}
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*/
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/** @defgroup STM32H7XX_NUCLEO_LOW_LEVEL_Exported_Functions LOW LEVEL Exported Functions
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* @{
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*/
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/**
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* @brief This method returns the STM32H7XX NUCLEO BSP Driver revision
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* @retval version: 0xXYZR (8bits for each decimal, R for RC)
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*/
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int32_t BSP_GetVersion(void)
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{
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return (int32_t)STM32H7XX_NUCLEO_BSP_VERSION;
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}
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/**
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* @brief Configures LED GPIO.
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* @param Led Specifies the Led to be configured.
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* This parameter can be one of following parameters:
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* @arg LED1
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* @arg LED2
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* @arg LED3
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* @retval BSP status
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*/
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int32_t BSP_LED_Init(Led_TypeDef Led)
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{
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int32_t ret = BSP_ERROR_NONE;
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GPIO_InitTypeDef gpio_init_structure;
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if((Led != LED1) && (Led != LED2) && (Led != LED3))
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{
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ret = BSP_ERROR_WRONG_PARAM;
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}
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else
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{
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/* Enable the GPIO LED Clock */
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if(Led == LED1)
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{
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LED1_GPIO_CLK_ENABLE();
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}
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else if(Led == LED2)
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{
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LED2_GPIO_CLK_ENABLE();
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}
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else
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{
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LED3_GPIO_CLK_ENABLE();
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}
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/* Configure the GPIO_LED pin */
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gpio_init_structure.Pin = LED_PIN[Led];
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gpio_init_structure.Mode = GPIO_MODE_OUTPUT_PP;
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gpio_init_structure.Pull = GPIO_NOPULL;
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gpio_init_structure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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HAL_GPIO_Init(LED_PORT[Led], &gpio_init_structure);
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HAL_GPIO_WritePin(LED_PORT[Led], LED_PIN[Led], GPIO_PIN_RESET);
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}
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return ret;
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}
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/**
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* @brief DeInit LEDs.
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* @param Led LED to be de-init.
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* This parameter can be one of the following values:
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* @arg LED1
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* @arg LED2
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* @arg LED3
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* @note Led DeInit does not disable the GPIO clock nor disable the Mfx
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* @retval BSP status
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*/
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int32_t BSP_LED_DeInit(Led_TypeDef Led)
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{
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int32_t ret = BSP_ERROR_NONE;
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GPIO_InitTypeDef gpio_init_structure;
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if((Led != LED1) && (Led != LED2) && (Led != LED3))
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{
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ret = BSP_ERROR_WRONG_PARAM;
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}
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else
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{
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/* Turn off LED */
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HAL_GPIO_WritePin(LED_PORT[Led], LED_PIN[Led], GPIO_PIN_RESET);
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/* DeInit the GPIO_LED pin */
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gpio_init_structure.Pin = LED_PIN[Led];
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HAL_GPIO_DeInit(LED_PORT[Led], gpio_init_structure.Pin);
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}
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return ret;
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}
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/**
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* @brief Turns selected LED On.
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* @param Led Specifies the Led to be set on.
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* This parameter can be one of following parameters:
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* @arg LED1
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* @arg LED2
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* @arg LED3
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* @retval BSP status
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*/
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int32_t BSP_LED_On(Led_TypeDef Led)
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{
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int32_t ret = BSP_ERROR_NONE;
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if((Led != LED1) && (Led != LED2) && (Led != LED3))
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{
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ret = BSP_ERROR_WRONG_PARAM;
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}
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else
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{
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HAL_GPIO_WritePin(LED_PORT[Led], LED_PIN[Led], GPIO_PIN_SET);
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}
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return ret;
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}
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/**
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* @brief Turns selected LED Off.
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* @param Led: Specifies the Led to be set off.
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* This parameter can be one of following parameters:
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* @arg LED1
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* @arg LED2
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* @arg LED3
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* @retval BSP status
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*/
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int32_t BSP_LED_Off(Led_TypeDef Led)
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{
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int32_t ret = BSP_ERROR_NONE;
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if((Led != LED1) && (Led != LED2) && (Led != LED3))
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{
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ret = BSP_ERROR_WRONG_PARAM;
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}
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else
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{
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HAL_GPIO_WritePin(LED_PORT[Led], LED_PIN[Led], GPIO_PIN_RESET);
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}
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return ret;
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}
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/**
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* @brief Toggles the selected LED.
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* @param Led Specifies the Led to be toggled.
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* This parameter can be one of following parameters:
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* @arg LED1
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* @arg LED2
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* @arg LED3
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* @retval BSP status
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*/
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int32_t BSP_LED_Toggle(Led_TypeDef Led)
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{
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int32_t ret = BSP_ERROR_NONE;
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if((Led != LED1) && (Led != LED2) && (Led != LED3))
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{
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ret = BSP_ERROR_WRONG_PARAM;
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}
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else
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{
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HAL_GPIO_TogglePin(LED_PORT[Led], LED_PIN[Led]);
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}
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return ret;
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}
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/**
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* @brief Get the state of the selected LED.
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* @param Led LED to get its state
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* This parameter can be one of following parameters:
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* @arg LED1
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* @arg LED2
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* @arg LED3
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* @retval LED status
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*/
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int32_t BSP_LED_GetState (Led_TypeDef Led)
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{
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int32_t ret;
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if((Led != LED1) && (Led != LED2) && (Led != LED3))
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{
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ret = BSP_ERROR_WRONG_PARAM;
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}
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else
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{
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ret = (int32_t)HAL_GPIO_ReadPin (LED_PORT [Led], LED_PIN [Led]);
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}
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return ret;
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}
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/**
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* @brief Configures button GPIO and EXTI Line.
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* @param Button Button to be configured
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* This parameter can be one of the following values:
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* @arg BUTTON_USER: Wakeup Push Button
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* @param ButtonMode Button mode
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* This parameter can be one of the following values:
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* @arg BUTTON_MODE_GPIO: Button will be used as simple IO
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* @arg BUTTON_MODE_EXTI: Button will be connected to EXTI line
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* with interrupt generation capability
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*/
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int32_t BSP_PB_Init(Button_TypeDef Button, ButtonMode_TypeDef ButtonMode)
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{
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GPIO_InitTypeDef gpio_init_structure;
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static BSP_EXTI_LineCallback ButtonCallback[BUTTONn] = {BUTTON_USER_EXTI_Callback};
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static uint32_t BSP_BUTTON_PRIO [BUTTONn] = {BSP_BUTTON_USER_IT_PRIORITY};
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static const uint32_t BUTTON_EXTI_LINE[BUTTONn] = {BUTTON_USER_EXTI_LINE};
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/* Enable the BUTTON clock */
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BUTTON_USER_GPIO_CLK_ENABLE();
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gpio_init_structure.Pin = BUTTON_PIN [Button];
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gpio_init_structure.Pull = GPIO_PULLDOWN;
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gpio_init_structure.Speed = GPIO_SPEED_FREQ_HIGH;
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if(ButtonMode == BUTTON_MODE_GPIO)
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{
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/* Configure Button pin as input */
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gpio_init_structure.Mode = GPIO_MODE_INPUT;
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HAL_GPIO_Init(BUTTON_PORT [Button], &gpio_init_structure);
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}
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else /* (ButtonMode == BUTTON_MODE_EXTI) */
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{
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/* Configure Button pin as input with External interrupt */
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gpio_init_structure.Mode = GPIO_MODE_IT_RISING;
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HAL_GPIO_Init(BUTTON_PORT[Button], &gpio_init_structure);
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(void)HAL_EXTI_GetHandle(&hpb_exti[Button], BUTTON_EXTI_LINE[Button]);
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(void)HAL_EXTI_RegisterCallback(&hpb_exti[Button], HAL_EXTI_COMMON_CB_ID, ButtonCallback[Button]);
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/* Enable and set Button EXTI Interrupt to the lowest priority */
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HAL_NVIC_SetPriority((BUTTON_IRQn[Button]), BSP_BUTTON_PRIO[Button], 0x00);
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HAL_NVIC_EnableIRQ((BUTTON_IRQn[Button]));
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}
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return BSP_ERROR_NONE;
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}
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/**
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* @brief Push Button DeInit.
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* @param Button Button to be configured
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* This parameter can be one of the following values:
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* @arg BUTTON_USER: Wakeup Push Button
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* @note PB DeInit does not disable the GPIO clock
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*/
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int32_t BSP_PB_DeInit(Button_TypeDef Button)
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{
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GPIO_InitTypeDef gpio_init_structure;
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gpio_init_structure.Pin = BUTTON_PIN[Button];
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HAL_NVIC_DisableIRQ((IRQn_Type)(BUTTON_IRQn[Button]));
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HAL_GPIO_DeInit(BUTTON_PORT[Button], gpio_init_structure.Pin);
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return BSP_ERROR_NONE;
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}
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/**
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* @brief Returns the selected button state.
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* @param Button Button to be checked
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* This parameter can be one of the following values:
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* @arg BUTTON_USER: Wakeup Push Button
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* @retval The Button GPIO pin value (GPIO_PIN_RESET = button pressed)
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*/
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int32_t BSP_PB_GetState(Button_TypeDef Button)
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{
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return (int32_t)HAL_GPIO_ReadPin(BUTTON_PORT[Button], BUTTON_PIN[Button]);
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}
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/**
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* @brief BSP Button IRQ handler
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* @param Button Can only be BUTTON_USER
|
||
|
|
* @retval None
|
||
|
|
*/
|
||
|
|
void BSP_PB_IRQHandler(Button_TypeDef Button)
|
||
|
|
{
|
||
|
|
HAL_EXTI_IRQHandler(&hpb_exti[Button]);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief BSP Push Button callback
|
||
|
|
* @param Button Specifies the pin connected EXTI line
|
||
|
|
* @retval None
|
||
|
|
*/
|
||
|
|
__weak void BSP_PB_Callback(Button_TypeDef Button)
|
||
|
|
{
|
||
|
|
/* Prevent unused argument(s) compilation warning */
|
||
|
|
UNUSED(Button);
|
||
|
|
|
||
|
|
/* This function should be implemented by the user application.
|
||
|
|
It is called into this driver when an event on Button is triggered. */
|
||
|
|
}
|
||
|
|
|
||
|
|
#if (USE_BSP_COM_FEATURE > 0)
|
||
|
|
/**
|
||
|
|
* @brief Configures COM port.
|
||
|
|
* @param COM COM port to be configured.
|
||
|
|
* This parameter can be COM1
|
||
|
|
* @param COM_Init Pointer to a UART_HandleTypeDef structure that contains the
|
||
|
|
* configuration information for the specified USART peripheral.
|
||
|
|
* @retval BSP error code
|
||
|
|
*/
|
||
|
|
int32_t BSP_COM_Init(COM_TypeDef COM, COM_InitTypeDef *COM_Init)
|
||
|
|
{
|
||
|
|
int32_t ret = BSP_ERROR_NONE;
|
||
|
|
|
||
|
|
if(COM >= COMn)
|
||
|
|
{
|
||
|
|
ret = BSP_ERROR_WRONG_PARAM;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
#if (USE_HAL_UART_REGISTER_CALLBACKS == 0)
|
||
|
|
/* Init the UART Msp */
|
||
|
|
COM1_MspInit(&hcom_uart[COM]);
|
||
|
|
#else
|
||
|
|
if(IsComMspCbValid[COM] == 0U)
|
||
|
|
{
|
||
|
|
if(BSP_COM_RegisterDefaultMspCallbacks(COM) != BSP_ERROR_NONE)
|
||
|
|
{
|
||
|
|
return BSP_ERROR_MSP_FAILURE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
if(MX_USART3_Init(&hcom_uart[COM], COM_Init) != HAL_OK)
|
||
|
|
{
|
||
|
|
ret = BSP_ERROR_PERIPH_FAILURE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief DeInit COM port.
|
||
|
|
* @param COM COM port to be configured.
|
||
|
|
* This parameter can be COM1
|
||
|
|
* @retval BSP status
|
||
|
|
*/
|
||
|
|
int32_t BSP_COM_DeInit(COM_TypeDef COM)
|
||
|
|
{
|
||
|
|
int32_t ret = BSP_ERROR_NONE;
|
||
|
|
|
||
|
|
if(COM >= COMn)
|
||
|
|
{
|
||
|
|
ret = BSP_ERROR_WRONG_PARAM;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
/* USART configuration */
|
||
|
|
hcom_uart[COM].Instance = COM_USART[COM];
|
||
|
|
|
||
|
|
#if (USE_HAL_UART_REGISTER_CALLBACKS == 0)
|
||
|
|
COM1_MspDeInit(&hcom_uart[COM]);
|
||
|
|
#endif /* (USE_HAL_UART_REGISTER_CALLBACKS == 0) */
|
||
|
|
|
||
|
|
if(HAL_UART_DeInit(&hcom_uart[COM]) != HAL_OK)
|
||
|
|
{
|
||
|
|
ret = BSP_ERROR_PERIPH_FAILURE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Configures COM port.
|
||
|
|
* @param huart USART handle
|
||
|
|
* @param COM_Init Pointer to a UART_HandleTypeDef structure that contains the
|
||
|
|
* configuration information for the specified USART peripheral.
|
||
|
|
* @retval HAL error code
|
||
|
|
*/
|
||
|
|
__weak HAL_StatusTypeDef MX_USART3_Init(UART_HandleTypeDef *huart, MX_UART_InitTypeDef *COM_Init)
|
||
|
|
{
|
||
|
|
/* USART configuration */
|
||
|
|
huart->Instance = COM_USART[COM1];
|
||
|
|
huart->Init.BaudRate = COM_Init->BaudRate;
|
||
|
|
huart->Init.Mode = UART_MODE_TX_RX;
|
||
|
|
huart->Init.Parity = (uint32_t)COM_Init->Parity;
|
||
|
|
huart->Init.WordLength = (uint32_t)COM_Init->WordLength;
|
||
|
|
huart->Init.StopBits = (uint32_t)COM_Init->StopBits;
|
||
|
|
huart->Init.HwFlowCtl = (uint32_t)COM_Init->HwFlowCtl;
|
||
|
|
huart->Init.OverSampling = UART_OVERSAMPLING_8;
|
||
|
|
|
||
|
|
return HAL_UART_Init(huart);
|
||
|
|
}
|
||
|
|
|
||
|
|
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
|
||
|
|
/**
|
||
|
|
* @brief Register Default COM Msp Callbacks
|
||
|
|
* @param COM COM port to be configured.
|
||
|
|
* This parameter can be COM1
|
||
|
|
* @retval BSP status
|
||
|
|
*/
|
||
|
|
int32_t BSP_COM_RegisterDefaultMspCallbacks(COM_TypeDef COM)
|
||
|
|
{
|
||
|
|
int32_t ret = BSP_ERROR_NONE;
|
||
|
|
|
||
|
|
if(COM >= COMn)
|
||
|
|
{
|
||
|
|
ret = BSP_ERROR_WRONG_PARAM;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
__HAL_UART_RESET_HANDLE_STATE(&hcom_uart[COM]);
|
||
|
|
|
||
|
|
/* Register default MspInit/MspDeInit Callback */
|
||
|
|
if(HAL_UART_RegisterCallback(&hcom_uart[COM], HAL_UART_MSPINIT_CB_ID, COM1_MspInit) != HAL_OK)
|
||
|
|
{
|
||
|
|
ret = BSP_ERROR_PERIPH_FAILURE;
|
||
|
|
}
|
||
|
|
else if(HAL_UART_RegisterCallback(&hcom_uart[COM], HAL_UART_MSPDEINIT_CB_ID, COM1_MspDeInit) != HAL_OK)
|
||
|
|
{
|
||
|
|
ret = BSP_ERROR_PERIPH_FAILURE;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
IsComMspCbValid[COM] = 1U;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* BSP status */
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Register COM Msp Callback registering
|
||
|
|
* @param COM COM port to be configured.
|
||
|
|
* This parameter can be COM1
|
||
|
|
* @param Callbacks pointer to COM1 MspInit/MspDeInit callback functions
|
||
|
|
* @retval BSP status
|
||
|
|
*/
|
||
|
|
int32_t BSP_COM_RegisterMspCallbacks(COM_TypeDef COM , BSP_COM_Cb_t *Callback)
|
||
|
|
{
|
||
|
|
int32_t ret = BSP_ERROR_NONE;
|
||
|
|
|
||
|
|
if(COM >= COMn)
|
||
|
|
{
|
||
|
|
ret = BSP_ERROR_WRONG_PARAM;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
__HAL_UART_RESET_HANDLE_STATE(&hcom_uart[COM]);
|
||
|
|
|
||
|
|
/* Register MspInit/MspDeInit Callbacks */
|
||
|
|
if(HAL_UART_RegisterCallback(&hcom_uart[COM], HAL_UART_MSPINIT_CB_ID, Callback->pMspInitCb) != HAL_OK)
|
||
|
|
{
|
||
|
|
ret = BSP_ERROR_PERIPH_FAILURE;
|
||
|
|
}
|
||
|
|
else if(HAL_UART_RegisterCallback(&hcom_uart[COM], HAL_UART_MSPDEINIT_CB_ID, Callback->pMspDeInitCb) != HAL_OK)
|
||
|
|
{
|
||
|
|
ret = BSP_ERROR_PERIPH_FAILURE;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
IsComMspCbValid[COM] = 1U;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/* BSP status */
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
|
||
|
|
|
||
|
|
#if (USE_COM_LOG > 0)
|
||
|
|
/**
|
||
|
|
* @brief Select the active COM port.
|
||
|
|
* @param COM COM port to be activated.
|
||
|
|
* This parameter can be COM1
|
||
|
|
* @retval BSP status
|
||
|
|
*/
|
||
|
|
int32_t BSP_COM_SelectLogPort(COM_TypeDef COM)
|
||
|
|
{
|
||
|
|
if(COM_ActiveLogPort != COM)
|
||
|
|
{
|
||
|
|
COM_ActiveLogPort = COM;
|
||
|
|
}
|
||
|
|
return BSP_ERROR_NONE;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Redirect console output to COM
|
||
|
|
*/
|
||
|
|
#ifdef __GNUC__
|
||
|
|
int __io_putchar (int ch)
|
||
|
|
#else
|
||
|
|
int fputc (int ch, FILE *f)
|
||
|
|
#endif /* __GNUC__ */
|
||
|
|
{
|
||
|
|
HAL_UART_Transmit (&hcom_uart [COM_ActiveLogPort], (uint8_t *) &ch, 1, COM_POLL_TIMEOUT);
|
||
|
|
return ch;
|
||
|
|
}
|
||
|
|
#endif /* USE_COM_LOG */
|
||
|
|
#endif /* USE_BSP_COM_FEATURE */
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @defgroup STM32H7XX_NUCLEO_LOW_LEVEL_Private_Functions LOW LEVEL Private functions
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
/**
|
||
|
|
* @brief Key EXTI line detection callbacks.
|
||
|
|
* @retval BSP status
|
||
|
|
*/
|
||
|
|
static void BUTTON_USER_EXTI_Callback(void)
|
||
|
|
{
|
||
|
|
BSP_PB_Callback(BUTTON_USER);
|
||
|
|
}
|
||
|
|
|
||
|
|
#if (USE_BSP_COM_FEATURE > 0)
|
||
|
|
/**
|
||
|
|
* @brief Initializes UART MSP.
|
||
|
|
* @param huart UART handle
|
||
|
|
* @retval BSP status
|
||
|
|
*/
|
||
|
|
static void COM1_MspInit(UART_HandleTypeDef *huart)
|
||
|
|
{
|
||
|
|
GPIO_InitTypeDef gpio_init_structure;
|
||
|
|
|
||
|
|
/* Prevent unused argument(s) compilation warning */
|
||
|
|
UNUSED(huart);
|
||
|
|
|
||
|
|
/* Enable GPIO clock */
|
||
|
|
COM1_TX_GPIO_CLK_ENABLE();
|
||
|
|
COM1_RX_GPIO_CLK_ENABLE();
|
||
|
|
|
||
|
|
/* Enable USART clock */
|
||
|
|
COM1_CLK_ENABLE();
|
||
|
|
|
||
|
|
/* Configure USART Tx as alternate function */
|
||
|
|
gpio_init_structure.Pin = COM1_TX_PIN;
|
||
|
|
gpio_init_structure.Mode = GPIO_MODE_AF_PP;
|
||
|
|
gpio_init_structure.Speed = GPIO_SPEED_FREQ_HIGH;
|
||
|
|
gpio_init_structure.Pull = GPIO_PULLUP;
|
||
|
|
gpio_init_structure.Alternate = COM1_TX_AF;
|
||
|
|
HAL_GPIO_Init(COM1_TX_GPIO_PORT, &gpio_init_structure);
|
||
|
|
|
||
|
|
/* Configure USART Rx as alternate function */
|
||
|
|
gpio_init_structure.Pin = COM1_RX_PIN;
|
||
|
|
gpio_init_structure.Mode = GPIO_MODE_AF_PP;
|
||
|
|
gpio_init_structure.Alternate = COM1_RX_AF;
|
||
|
|
HAL_GPIO_Init(COM1_RX_GPIO_PORT, &gpio_init_structure);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Initialize USART3 Msp part
|
||
|
|
* @param huart UART handle
|
||
|
|
* @retval BSP status
|
||
|
|
*/
|
||
|
|
static void COM1_MspDeInit(UART_HandleTypeDef *huart)
|
||
|
|
{
|
||
|
|
GPIO_InitTypeDef gpio_init_structure;
|
||
|
|
|
||
|
|
/* Prevent unused argument(s) compilation warning */
|
||
|
|
UNUSED(huart);
|
||
|
|
|
||
|
|
/* COM GPIO pin configuration */
|
||
|
|
gpio_init_structure.Pin = COM1_TX_PIN;
|
||
|
|
HAL_GPIO_DeInit(COM1_TX_GPIO_PORT, gpio_init_structure.Pin);
|
||
|
|
|
||
|
|
gpio_init_structure.Pin = COM1_RX_PIN;
|
||
|
|
HAL_GPIO_DeInit(COM1_RX_GPIO_PORT, gpio_init_structure.Pin);
|
||
|
|
|
||
|
|
/* Disable USART clock */
|
||
|
|
COM1_CLK_DISABLE();
|
||
|
|
}
|
||
|
|
#endif /* USE_BSP_COM_FEATURE */
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|