fsfw-example-stm32h7-freertos/bsp_stm32h7_freertos/NUCLEO-H743ZI/Src/stm32h7xx_nucleo.c

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/**
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******************************************************************************
* @file stm32h7xx_nucleo.c
* @author MCD Application Team
* @brief This file provides set of firmware functions to manage:
* - LEDs and push-button available on STM32H7xx-Nucleo Kit
* from STMicroelectronics
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2018 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
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/* Includes ------------------------------------------------------------------*/
#include "stm32h7xx_nucleo.h"
/** @addtogroup BSP
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* @{
*/
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/** @addtogroup STM32H7XX_NUCLEO
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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 available on STM32H7xx-Nucleo Kit from STMicroelectronics.
* @{
*/
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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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/** @defgroup STM32H7XX_NUCLEO_LOW_LEVEL_Private_TypesDefinitions LOW LEVEL
* Private Typedef
* @{
*/
typedef void (*BSP_EXTI_LineCallback)(void);
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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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EXTI_HandleTypeDef hpb_exti[BUTTONn];
#if (USE_BSP_COM_FEATURE > 0)
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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* @}
*/
/** @defgroup STM32H7XX_NUCLEO_LOW_LEVEL_Private_Variables LOW LEVEL Private
* Variables
* @{
*/
static GPIO_TypeDef *LED_PORT[LEDn] = {LED1_GPIO_PORT, LED2_GPIO_PORT,
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LED3_GPIO_PORT};
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static const uint16_t LED_PIN[LEDn] = {LED1_PIN, LED2_PIN, 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};
static const IRQn_Type BUTTON_IRQn[BUTTONn] = {BUTTON_USER_EXTI_IRQn};
#if (USE_BSP_COM_FEATURE > 0)
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#if (USE_COM_LOG > 0)
static COM_TypeDef COM_ActiveLogPort = COM1;
#endif
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
static uint32_t IsComMspCbValid[COMn] = {0};
#endif
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#endif
/**
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* @}
*/
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/** @defgroup STM32H7XX_NUCLEO_LOW_LEVEL_Private_FunctionPrototypes LOW LEVEL
* Private functions Prototypes
* @{
*/
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static void BUTTON_USER_EXTI_Callback(void);
#if (USE_BSP_COM_FEATURE > 0)
static void COM1_MspInit(UART_HandleTypeDef *huart);
static void COM1_MspDeInit(UART_HandleTypeDef *huart);
#endif
/**
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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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* @brief This method returns the STM32H7XX NUCLEO BSP Driver revision
* @retval version: 0xXYZR (8bits for each decimal, R for RC)
*/
int32_t BSP_GetVersion(void) { return (int32_t)STM32H7XX_NUCLEO_BSP_VERSION; }
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/**
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* @brief Configures LED GPIO.
* @param Led Specifies the Led to be configured.
* This parameter can be one of following parameters:
* @arg LED1
* @arg LED2
* @arg LED3
* @retval BSP status
*/
int32_t BSP_LED_Init(Led_TypeDef Led) {
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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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ret = BSP_ERROR_WRONG_PARAM;
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} else {
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/* Enable the GPIO LED Clock */
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if (Led == LED1) {
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LED1_GPIO_CLK_ENABLE();
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} else if (Led == LED2) {
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LED2_GPIO_CLK_ENABLE();
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} else {
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LED3_GPIO_CLK_ENABLE();
}
/* Configure the GPIO_LED pin */
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gpio_init_structure.Pin = LED_PIN[Led];
gpio_init_structure.Mode = GPIO_MODE_OUTPUT_PP;
gpio_init_structure.Pull = GPIO_NOPULL;
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gpio_init_structure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
HAL_GPIO_Init(LED_PORT[Led], &gpio_init_structure);
HAL_GPIO_WritePin(LED_PORT[Led], LED_PIN[Led], GPIO_PIN_RESET);
}
return ret;
}
/**
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* @brief DeInit LEDs.
* @param Led LED to be de-init.
* This parameter can be one of the following values:
* @arg LED1
* @arg LED2
* @arg LED3
* @note Led DeInit does not disable the GPIO clock nor disable the Mfx
* @retval BSP status
*/
int32_t BSP_LED_DeInit(Led_TypeDef Led) {
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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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ret = BSP_ERROR_WRONG_PARAM;
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} else {
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/* Turn off LED */
HAL_GPIO_WritePin(LED_PORT[Led], LED_PIN[Led], GPIO_PIN_RESET);
/* DeInit the GPIO_LED pin */
gpio_init_structure.Pin = LED_PIN[Led];
HAL_GPIO_DeInit(LED_PORT[Led], gpio_init_structure.Pin);
}
return ret;
}
/**
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* @brief Turns selected LED On.
* @param Led Specifies the Led to be set on.
* This parameter can be one of following parameters:
* @arg LED1
* @arg LED2
* @arg LED3
* @retval BSP status
*/
int32_t BSP_LED_On(Led_TypeDef Led) {
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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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ret = BSP_ERROR_WRONG_PARAM;
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} else {
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HAL_GPIO_WritePin(LED_PORT[Led], LED_PIN[Led], GPIO_PIN_SET);
}
return ret;
}
/**
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* @brief Turns selected LED Off.
* @param Led: Specifies the Led to be set off.
* This parameter can be one of following parameters:
* @arg LED1
* @arg LED2
* @arg LED3
* @retval BSP status
*/
int32_t BSP_LED_Off(Led_TypeDef Led) {
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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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ret = BSP_ERROR_WRONG_PARAM;
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} else {
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HAL_GPIO_WritePin(LED_PORT[Led], LED_PIN[Led], GPIO_PIN_RESET);
}
return ret;
}
/**
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* @brief Toggles the selected LED.
* @param Led Specifies the Led to be toggled.
* This parameter can be one of following parameters:
* @arg LED1
* @arg LED2
* @arg LED3
* @retval BSP status
*/
int32_t BSP_LED_Toggle(Led_TypeDef Led) {
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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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ret = BSP_ERROR_WRONG_PARAM;
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} else {
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HAL_GPIO_TogglePin(LED_PORT[Led], LED_PIN[Led]);
}
return ret;
}
/**
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* @brief Get the state of the selected LED.
* @param Led LED to get its state
* This parameter can be one of following parameters:
* @arg LED1
* @arg LED2
* @arg LED3
* @retval LED status
*/
int32_t BSP_LED_GetState(Led_TypeDef Led) {
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int32_t ret;
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if ((Led != LED1) && (Led != LED2) && (Led != LED3)) {
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ret = BSP_ERROR_WRONG_PARAM;
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} else {
ret = (int32_t)HAL_GPIO_ReadPin(LED_PORT[Led], LED_PIN[Led]);
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}
return ret;
}
/**
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* @brief Configures button GPIO and EXTI Line.
* @param Button Button to be configured
* This parameter can be one of the following values:
* @arg BUTTON_USER: Wakeup Push Button
* @param ButtonMode Button mode
* This parameter can be one of the following values:
* @arg BUTTON_MODE_GPIO: Button will be used as simple IO
* @arg BUTTON_MODE_EXTI: Button will be connected to EXTI line
* with interrupt generation capability
*/
int32_t BSP_PB_Init(Button_TypeDef Button, ButtonMode_TypeDef ButtonMode) {
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GPIO_InitTypeDef gpio_init_structure;
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static BSP_EXTI_LineCallback ButtonCallback[BUTTONn] = {
BUTTON_USER_EXTI_Callback};
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};
/* Enable the BUTTON clock */
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;
gpio_init_structure.Speed = GPIO_SPEED_FREQ_HIGH;
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if (ButtonMode == BUTTON_MODE_GPIO) {
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/* Configure Button pin as input */
gpio_init_structure.Mode = GPIO_MODE_INPUT;
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HAL_GPIO_Init(BUTTON_PORT[Button], &gpio_init_structure);
} else /* (ButtonMode == BUTTON_MODE_EXTI) */
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{
/* Configure Button pin as input with External interrupt */
gpio_init_structure.Mode = GPIO_MODE_IT_RISING;
HAL_GPIO_Init(BUTTON_PORT[Button], &gpio_init_structure);
(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 */
HAL_NVIC_SetPriority((BUTTON_IRQn[Button]), BSP_BUTTON_PRIO[Button], 0x00);
HAL_NVIC_EnableIRQ((BUTTON_IRQn[Button]));
}
return BSP_ERROR_NONE;
}
/**
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* @brief Push Button DeInit.
* @param Button Button to be configured
* This parameter can be one of the following values:
* @arg BUTTON_USER: Wakeup Push Button
* @note PB DeInit does not disable the GPIO clock
*/
int32_t BSP_PB_DeInit(Button_TypeDef Button) {
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GPIO_InitTypeDef gpio_init_structure;
gpio_init_structure.Pin = BUTTON_PIN[Button];
HAL_NVIC_DisableIRQ((IRQn_Type)(BUTTON_IRQn[Button]));
HAL_GPIO_DeInit(BUTTON_PORT[Button], gpio_init_structure.Pin);
return BSP_ERROR_NONE;
}
/**
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* @brief Returns the selected button state.
* @param Button Button to be checked
* This parameter can be one of the following values:
* @arg BUTTON_USER: Wakeup Push Button
* @retval The Button GPIO pin value (GPIO_PIN_RESET = button pressed)
*/
int32_t BSP_PB_GetState(Button_TypeDef Button) {
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return (int32_t)HAL_GPIO_ReadPin(BUTTON_PORT[Button], BUTTON_PIN[Button]);
}
/**
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* @brief BSP Button IRQ handler
* @param Button Can only be BUTTON_USER
* @retval None
*/
void BSP_PB_IRQHandler(Button_TypeDef Button) {
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HAL_EXTI_IRQHandler(&hpb_exti[Button]);
}
/**
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* @brief BSP Push Button callback
* @param Button Specifies the pin connected EXTI line
* @retval None
*/
__weak void BSP_PB_Callback(Button_TypeDef Button) {
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/* 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)
/**
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* @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) {
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int32_t ret = BSP_ERROR_NONE;
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if (COM >= COMn) {
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ret = BSP_ERROR_WRONG_PARAM;
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} else {
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#if (USE_HAL_UART_REGISTER_CALLBACKS == 0)
/* Init the UART Msp */
COM1_MspInit(&hcom_uart[COM]);
#else
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if (IsComMspCbValid[COM] == 0U) {
if (BSP_COM_RegisterDefaultMspCallbacks(COM) != BSP_ERROR_NONE) {
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return BSP_ERROR_MSP_FAILURE;
}
}
#endif
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if (MX_USART3_Init(&hcom_uart[COM], COM_Init) != HAL_OK) {
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ret = BSP_ERROR_PERIPH_FAILURE;
}
}
return ret;
}
/**
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* @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) {
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int32_t ret = BSP_ERROR_NONE;
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if (COM >= COMn) {
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ret = BSP_ERROR_WRONG_PARAM;
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} else {
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/* 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) */
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if (HAL_UART_DeInit(&hcom_uart[COM]) != HAL_OK) {
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ret = BSP_ERROR_PERIPH_FAILURE;
}
}
return ret;
}
/**
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* @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) {
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/* USART configuration */
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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);
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}
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
/**
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* @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) {
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int32_t ret = BSP_ERROR_NONE;
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if (COM >= COMn) {
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ret = BSP_ERROR_WRONG_PARAM;
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} else {
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__HAL_UART_RESET_HANDLE_STATE(&hcom_uart[COM]);
/* Register default MspInit/MspDeInit Callback */
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if (HAL_UART_RegisterCallback(&hcom_uart[COM], HAL_UART_MSPINIT_CB_ID,
COM1_MspInit) != HAL_OK) {
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ret = BSP_ERROR_PERIPH_FAILURE;
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} else if (HAL_UART_RegisterCallback(&hcom_uart[COM],
HAL_UART_MSPDEINIT_CB_ID,
COM1_MspDeInit) != HAL_OK) {
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ret = BSP_ERROR_PERIPH_FAILURE;
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} else {
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IsComMspCbValid[COM] = 1U;
}
}
/* BSP status */
return ret;
}
/**
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* @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) {
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int32_t ret = BSP_ERROR_NONE;
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if (COM >= COMn) {
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ret = BSP_ERROR_WRONG_PARAM;
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} else {
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__HAL_UART_RESET_HANDLE_STATE(&hcom_uart[COM]);
/* Register MspInit/MspDeInit Callbacks */
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if (HAL_UART_RegisterCallback(&hcom_uart[COM], HAL_UART_MSPINIT_CB_ID,
Callback->pMspInitCb) != HAL_OK) {
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ret = BSP_ERROR_PERIPH_FAILURE;
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} else if (HAL_UART_RegisterCallback(&hcom_uart[COM],
HAL_UART_MSPDEINIT_CB_ID,
Callback->pMspDeInitCb) != HAL_OK) {
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ret = BSP_ERROR_PERIPH_FAILURE;
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} else {
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IsComMspCbValid[COM] = 1U;
}
}
/* BSP status */
return ret;
}
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
#if (USE_COM_LOG > 0)
/**
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* @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) {
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COM_ActiveLogPort = COM;
}
return BSP_ERROR_NONE;
}
/**
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* @brief Redirect console output to COM
*/
#ifdef __GNUC__
int __io_putchar(int ch)
#else
int fputc(int ch, FILE *f)
#endif /* __GNUC__ */
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{
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HAL_UART_Transmit(&hcom_uart[COM_ActiveLogPort], (uint8_t *)&ch, 1,
COM_POLL_TIMEOUT);
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return ch;
}
#endif /* USE_COM_LOG */
#endif /* USE_BSP_COM_FEATURE */
/**
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* @}
*/
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/** @defgroup STM32H7XX_NUCLEO_LOW_LEVEL_Private_Functions LOW LEVEL Private
* functions
* @{
*/
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/**
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* @brief Key EXTI line detection callbacks.
* @retval BSP status
*/
static void BUTTON_USER_EXTI_Callback(void) { BSP_PB_Callback(BUTTON_USER); }
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#if (USE_BSP_COM_FEATURE > 0)
/**
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* @brief Initializes UART MSP.
* @param huart UART handle
* @retval BSP status
*/
static void COM1_MspInit(UART_HandleTypeDef *huart) {
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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);
}
/**
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* @brief Initialize USART3 Msp part
* @param huart UART handle
* @retval BSP status
*/
static void COM1_MspDeInit(UART_HandleTypeDef *huart) {
GPIO_InitTypeDef gpio_init_structure;
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/* Prevent unused argument(s) compilation warning */
UNUSED(huart);
/* COM GPIO pin configuration */
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gpio_init_structure.Pin = COM1_TX_PIN;
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HAL_GPIO_DeInit(COM1_TX_GPIO_PORT, gpio_init_structure.Pin);
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gpio_init_structure.Pin = COM1_RX_PIN;
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HAL_GPIO_DeInit(COM1_RX_GPIO_PORT, gpio_init_structure.Pin);
/* Disable USART clock */
COM1_CLK_DISABLE();
}
#endif /* USE_BSP_COM_FEATURE */
/**
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* @}
*/
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/**
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* @}
*/
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/**
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* @}
*/
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/**
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* @}
*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/