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CelloEffects/Drivers/STM32H7RSxx_BSP/STM32H7S78-DK/stm32h7s78_discovery.c
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Thomas Laduguie 75fbf8809d init
2026-09-04 09:57:30 +02:00

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/**
******************************************************************************
* @file stm32h7s78_discovery.c
* @author MCD Application Team
* @brief This file provides a set of firmware functions to manage
* LEDs
* push-buttons
* COM ports
* available on STM32H7S78-DK board(MB1736) from STMicroelectronics.
******************************************************************************
* @attention
*
* Copyright (c) 2022 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32h7s78_discovery.h"
#if defined(__ICCARM__)
#include <LowLevelIOInterface.h>
#endif /* __ICCARM__ */
/** @addtogroup BSP
* @{
*/
/** @addtogroup STM32H7S78_DK
* @{
*/
/** @defgroup STM32H7S78_DK_LOW_LEVEL LOW LEVEL
* @{
*/
/** @defgroup STM32H7S78_DK_LOW_LEVEL_Private_TypesDefinitions Private Types Definitions
* @{
*/
typedef void (* BSP_EXTI_LineCallback)(void);
/**
* @}
*/
/** @defgroup STM32H7S78_DK_LOW_LEVEL_Private_FunctionPrototypes Private Function Prototypes
* @{
*/
static void BUTTON_USER_EXTI_Callback(void);
#if (USE_BSP_COM_FEATURE > 0)
static void UART_MspInit(const UART_HandleTypeDef *huart);
static void UART_MspDeInit(const UART_HandleTypeDef *huart);
#endif /* USE_BSP_COM_FEATURE > 0 */
/**
* @}
*/
/** @defgroup STM32H7S78_DK_LOW_LEVEL_Exported_Variables Exported Variables
* @{
*/
EXTI_HandleTypeDef hpb_exti[BUTTONn];
#if (USE_BSP_COM_FEATURE > 0)
UART_HandleTypeDef hcom_uart[COMn];
USART_TypeDef *COM_UART[COMn] = {COM1_UART, COM2_UART};
#endif /* USE_BSP_COM_FEATURE > 0 */
/**
* @}
*/
/** @defgroup STM32H7S78_DK_LOW_LEVEL_Private_Variables Private Variables
* @{
*/
static GPIO_TypeDef *LED_PORT[LEDn] = {LD1_GPIO_PORT,
LD2_GPIO_PORT,
LD3_GPIO_PORT,
LD4_GPIO_PORT
};
static const uint16_t LED_PIN[LEDn] = {LD1_PIN,
LD2_PIN,
LD3_PIN,
LD4_PIN
};
static GPIO_TypeDef* BUTTON_PORT[BUTTONn] = {BUTTON_USER_GPIO_PORT };
static const uint16_t BUTTON_PIN[BUTTONn] = {BUTTON_USER_PIN };
static const IRQn_Type BUTTON_IRQn[BUTTONn] = {BUTTON_USER_EXTI_IRQn };
#if (USE_COM_LOG == 1)
static COM_TypeDef COM_ActiveLogPort = COM1;
/**
* @brief Redirect console output to COM
*/
#if defined(__ICCARM__)
/* New definition from EWARM V9, compatible with EWARM8 */
int iar_fputc(int ch);
#define PUTCHAR_PROTOTYPE int iar_fputc(int ch)
#elif defined (__CC_ARM) || defined(__ARMCC_VERSION)
/* ARM Compiler 5/6 */
#define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
#elif defined(__GNUC__)
#define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
#endif /* __ICCARM__ */
#endif /* USE_COM_LOG */
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
static uint32_t IsComMspCbValid[COMn] = {0};
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
/**
* @}
*/
/** @defgroup STM32H7S78_DK_LOW_LEVEL_Private_Constants Private Constants
* @{
*/
#define STM32H7S78_DK_PWR_FLAG_SETTING_DELAY (1000U)
/**
* @}
*/
/** @defgroup STM32H7S78_DK_LOW_LEVEL_Exported_Functions Exported Functions
* @{
*/
/**
* @brief This method returns the STM32H7S78 Discovery BSP Driver revision
* @retval version: 0xXYZR (8bits for each decimal, R for RC)
*/
int32_t BSP_GetVersion(void)
{
return ((int32_t)STM32H7S78_DK_BSP_VERSION);
}
/**
* @brief This method returns the board name
* @retval pointer to the board name string
*/
const uint8_t *BSP_GetBoardName(void)
{
return (const uint8_t *) STM32H7S78_DK_BSP_BOARD_NAME;
}
/**
* @brief This method returns the board ID
* @retval pointer to the board name string
*/
const uint8_t *BSP_GetBoardID(void)
{
return (const uint8_t *)STM32H7S78_DK_BSP_BOARD_ID;
}
/**
* @brief Configure LED on GPIO.
* @param Led Specifies the Led to be configured.
* This parameter can be one of the following values:
* @arg LD1
* @arg LD2
* @arg LD3
* @arg LD4
* @retval BSP error code
*/
int32_t BSP_LED_Init(Led_TypeDef Led)
{
int32_t ret = BSP_ERROR_NONE;
GPIO_InitTypeDef gpio_init_structure = {0};
uint32_t tickstart;
/* Enable the GPIO_LED clock */
switch (Led)
{
case LD1:
/* Enable the power of PORT_O XSPIx */
HAL_PWREx_EnableXSPIM1();
LD1_GPIO_CLK_ENABLE();
break;
case LD2:
/* Enable the power of PORT_O XSPIx */
HAL_PWREx_EnableXSPIM1();
LD2_GPIO_CLK_ENABLE();
break;
case LD3:
/* Enable the power of PORT_M */
if (HAL_PWREx_EnableUSBVoltageDetector() != HAL_OK)
{
ret = BSP_ERROR_PERIPH_FAILURE;
}
else
{
/* Wait the detection of the USB33 power */
tickstart = HAL_GetTick();
while ( (PWR->CSR2 & PWR_CSR2_USB33RDY)== 0U)
{
if ((HAL_GetTick() - tickstart) > STM32H7S78_DK_PWR_FLAG_SETTING_DELAY)
{
return BSP_ERROR_PERIPH_FAILURE;
}
}
LD3_GPIO_CLK_ENABLE();
}
break;
default: /* LD4 */
/* Enable the power of PORT_M */
if (HAL_PWREx_EnableUSBVoltageDetector() != HAL_OK)
{
ret = BSP_ERROR_PERIPH_FAILURE;
}
else
{
/* Wait the detection of the USB33 power */
tickstart = HAL_GetTick();
while ( (PWR->CSR2 & PWR_CSR2_USB33RDY)== 0U)
{
if ((HAL_GetTick() - tickstart) > STM32H7S78_DK_PWR_FLAG_SETTING_DELAY)
{
return BSP_ERROR_PERIPH_FAILURE;
}
}
LD4_GPIO_CLK_ENABLE();
}
break;
}
if (ret == BSP_ERROR_NONE)
{
/* configure the GPIO_LED pin */
gpio_init_structure.Pin = LED_PIN [Led];
gpio_init_structure.Mode = GPIO_MODE_OUTPUT_PP;
gpio_init_structure.Pull = GPIO_PULLUP;
gpio_init_structure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
HAL_GPIO_Init(LED_PORT [Led], &gpio_init_structure);
/* By default, turn off LED */
(void) BSP_LED_Off(Led);
}
return ret;
}
/**
* @brief DeInitialize LEDs.
* @param Led LED to be de-init.
* This parameter can be one of the following values:
* @arg LD1
* @arg LD2
* @arg LD3
* @arg LD4
* @note BSP_LED_DeInit() does not disable the GPIO clock
* @retval BSP error code
*/
int32_t BSP_LED_DeInit(Led_TypeDef Led)
{
GPIO_InitTypeDef gpio_init_structure = {0};
/* Turn off LED */
(void) BSP_LED_Off(Led);
/* DeInit the GPIO_LED pin */
gpio_init_structure.Pin = LED_PIN [Led];
HAL_GPIO_DeInit(LED_PORT [Led], gpio_init_structure.Pin);
return BSP_ERROR_NONE;
}
/**
* @brief Turn selected LED On.
* @param Led Specifies the Led to be set on.
* This parameter can be one of the following values:
* @arg LD1
* @arg LD2
* @arg LD3
* @arg LD4
* @retval BSP error code
*/
int32_t BSP_LED_On(Led_TypeDef Led)
{
if(Led <= LD2)
{
/* LD1/LD2 High active */
HAL_GPIO_WritePin(LED_PORT [Led], (uint16_t)LED_PIN [Led], GPIO_PIN_SET);
}
else
{
/* LD3/LD4 Low active */
HAL_GPIO_WritePin(LED_PORT [Led], (uint16_t)LED_PIN [Led], GPIO_PIN_RESET);
}
return BSP_ERROR_NONE;
}
/**
* @brief Turn selected LED Off.
* @param Led Specifies the Led to be set off.
* This parameter can be one of the following values:
* @arg LD1
* @arg LD2
* @arg LD3
* @arg LD4
* @retval BSP error code
*/
int32_t BSP_LED_Off(Led_TypeDef Led)
{
if (Led <= LD2)
{
/* LD1/LD2 High active */
HAL_GPIO_WritePin(LED_PORT [Led], (uint16_t)LED_PIN [Led], GPIO_PIN_RESET);
}
else
{
/* LD3/LD4 Low active */
HAL_GPIO_WritePin(LED_PORT [Led], (uint16_t)LED_PIN [Led], GPIO_PIN_SET);
}
return BSP_ERROR_NONE;
}
/**
* @brief Toggle the selected LED.
* @param Led Specifies the Led to be toggled.
* This parameter can be one of the following values:
* @arg LD1
* @arg LD2
* @arg LD3
* @arg LD4
* @retval BSP error code
*/
int32_t BSP_LED_Toggle(Led_TypeDef Led)
{
HAL_GPIO_TogglePin(LED_PORT[Led], LED_PIN[Led]);
return BSP_ERROR_NONE;
}
/**
* @brief Get the state of selected LED.
* @param Led Specifies the Led.
* This parameter can be one of the following values:
* @arg LD1
* @arg LD2
* @arg LD3
* @arg LD4
* @retval 0 means off, 1 means on.
*/
int32_t BSP_LED_GetState(Led_TypeDef Led)
{
int32_t ret;
ret = (int32_t) HAL_GPIO_ReadPin(LED_PORT[Led], LED_PIN[Led]);
if (Led >= LD3)
{
/* LD3/LD4 is active low */
ret = (int32_t)((ret == 1) ? 0 : 1);
}
return ret;
}
/**
* @brief Configure Button GPIO and EXTI Line.
* @param Button Specifies the Button to be configured.
* This parameter can be one of the following values:
* @arg BUTTON_USER: User Push Button
* @param ButtonMode Specifies 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
* @retval BSP error code
*/
int32_t BSP_PB_Init(Button_TypeDef Button, ButtonMode_TypeDef ButtonMode)
{
GPIO_InitTypeDef gpio_init_structure = {0};
static BSP_EXTI_LineCallback ButtonCallback[BUTTONn] = {BUTTON_USER_EXTI_Callback};
static uint32_t BSP_BUTTON_PRIO [BUTTONn] = {BSP_BUTTON_USER_IT_PRIORITY};
static const uint32_t BUTTON_EXTI_LINE[BUTTONn] = {BUTTON_USER_EXTI_LINE};
/* Enable the BUTTON clock */
BUTTON_USER_GPIO_CLK_ENABLE();
gpio_init_structure.Pin = BUTTON_PIN [Button];
gpio_init_structure.Pull = GPIO_PULLDOWN;
gpio_init_structure.Speed = GPIO_SPEED_FREQ_LOW;
if (ButtonMode == BUTTON_MODE_GPIO)
{
/* Configure Button pin as input */
gpio_init_structure.Mode = GPIO_MODE_INPUT;
HAL_GPIO_Init(BUTTON_PORT[Button], &gpio_init_structure);
}
else /* ButtonMode == BUTTON_MODE_EXTI */
{
/* Enable SBS clock */
__HAL_RCC_SBS_CLK_ENABLE();
/* Configure Button pin as input with External interrupt */
gpio_init_structure.Mode = GPIO_MODE_IT_FALLING;
HAL_GPIO_Init(BUTTON_PORT[Button], &gpio_init_structure);
(void)HAL_EXTI_GetHandle(&hpb_exti[Button], BUTTON_EXTI_LINE[Button]);
(void)HAL_EXTI_RegisterCallback(&hpb_exti[Button], HAL_EXTI_COMMON_CB_ID, ButtonCallback[Button]);
/* 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;
}
/**
* @brief DeInitialize Push Button.
* @param Button Button to be configured.
* This parameter can be one of the following values:
* @arg BUTTON_USER: User Push Button
* @note BSP_PB_DeInit() does not disable the GPIO clock
* @retval BSP error code
*/
int32_t BSP_PB_DeInit(Button_TypeDef Button)
{
GPIO_InitTypeDef gpio_init_structure = {0};
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;
}
/**
* @brief Return the selected button state.
* @param Button Specifies the Button to be checked.
* This parameter can be one of the following values:
* @arg BUTTON_USER: User Push Button
* @retval The Button GPIO pin value
*/
int32_t BSP_PB_GetState(Button_TypeDef Button)
{
return (int32_t) HAL_GPIO_ReadPin(BUTTON_PORT[Button], BUTTON_PIN[Button]);
}
/**
* @brief This function handles Push-Button interrupt requests.
* @param Button Specifies the pin connected EXTI line
* @retval None
*/
void BSP_PB_IRQHandler(Button_TypeDef Button)
{
HAL_EXTI_IRQHandler(&hpb_exti[Button]);
}
/**
* @brief KEY EXTI line detection callbacks.
* @retval None
*/
static void BUTTON_USER_EXTI_Callback(void)
{
BSP_PB_Callback(BUTTON_USER);
}
/**
* @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 Configure COM port.
* @param COM COM port to be configured.
* This parameter can be COM1 or COM2.
* @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
{
/* Initialize COM instance */
hcom_uart[COM].Instance = COM_UART[COM];
/* Init the UART Msp */
#if (USE_HAL_UART_REGISTER_CALLBACKS == 0)
UART_MspInit(&hcom_uart[COM]);
#else
if (IsComMspCbValid[COM] == 0U)
{
if (BSP_COM_RegisterDefaultMspCallbacks(COM) != BSP_ERROR_NONE)
{
return BSP_ERROR_MSP_FAILURE;
}
}
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
if (COM == COM1)
{
if (MX_UART4_Init(&hcom_uart[COM], COM_Init) != HAL_OK)
{
ret = BSP_ERROR_PERIPH_FAILURE;
}
}
else
{
if (MX_UART7_Init(&hcom_uart[COM], COM_Init) != HAL_OK)
{
ret = BSP_ERROR_PERIPH_FAILURE;
}
}
}
return ret;
}
/**
* @brief DeInitialize COM port.
* @param COM COM port to be de_init.
* This parameter can be COM1 or COM2.
* @retval BSP error code
*/
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_UART[COM];
#if (USE_HAL_UART_REGISTER_CALLBACKS == 0)
UART_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;
}
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
/**
* @brief Register default COM msp callbacks.
* @param COM COM port.
* @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, (pUART_CallbackTypeDef) UART_MspInit) != HAL_OK)
{
ret = BSP_ERROR_PERIPH_FAILURE;
}
else if (HAL_UART_RegisterCallback(&hcom_uart[COM], HAL_UART_MSPDEINIT_CB_ID, (pUART_CallbackTypeDef) UART_MspDeInit) != HAL_OK)
{
ret = BSP_ERROR_PERIPH_FAILURE;
}
else
{
IsComMspCbValid[COM] = 1U;
}
}
/* BSP status */
return ret;
}
/**
* @brief Register COM1 Msp Callback registering
* @param COM COM port to be configured.
* @param Callbacks pointer to COM 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 == 1)
/**
* @brief Select the active COM port.
* @param COM COM port to be activated.
* This parameter can be COM1 or COM2.
* @retval BSP status
*/
int32_t BSP_COM_SelectLogPort(COM_TypeDef COM)
{
if (COM_ActiveLogPort != COM)
{
COM_ActiveLogPort = COM;
}
return BSP_ERROR_NONE;
}
#if defined(__ICCARM__)
size_t __write(int file, unsigned char const *ptr, size_t len)
{
size_t idx;
unsigned char const *pdata = ptr;
for (idx = 0; idx < len; idx++)
{
iar_fputc((int)*pdata);
pdata++;
}
return len;
}
#endif /* __ICCARM__ */
/**
* @brief Redirect console output to COM
*/
PUTCHAR_PROTOTYPE
{
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 STM32H7B3I_DISCO_LOW_LEVEL_Private_Functions Private Functions
* @{
*/
#if (USE_BSP_COM_FEATURE > 0)
/**
* @brief Initialize UART4.
* @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_UART4_Init(UART_HandleTypeDef *huart, MX_UART_InitTypeDef *COM_Init)
{
/* USART configuration */
huart->Instance = COM_UART[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);
}
/**
* @brief Initialize UART7.
* @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_UART7_Init(UART_HandleTypeDef *huart, MX_UART_InitTypeDef *COM_Init)
{
/* USART configuration */
huart->Instance = COM_UART[COM2];
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;
huart->Init.ClockPrescaler = UART_PRESCALER_DIV1;
return HAL_UART_Init(huart);
}
/**
* @brief Initialize UART MSP.
* @param huart UART handle.
* @retval None.
*/
static void UART_MspInit(const UART_HandleTypeDef *huart)
{
GPIO_InitTypeDef GPIO_Init;
GPIO_TypeDef *COM_TX_PORT[COMn] = {COM1_TX_GPIO_PORT, COM2_TX_GPIO_PORT};
GPIO_TypeDef *COM_RX_PORT[COMn] = {COM1_RX_GPIO_PORT, COM2_RX_GPIO_PORT};
const uint16_t COM_TX_PIN[COMn] = {COM1_TX_PIN, COM2_TX_PIN};
const uint16_t COM_RX_PIN[COMn] = {COM1_RX_PIN, COM2_RX_PIN};
const uint8_t COM_TX_AF[COMn] = {COM1_TX_AF, COM2_TX_AF};
const uint8_t COM_RX_AF[COMn] = {COM1_RX_AF, COM2_RX_AF};
COM_TypeDef COM;
/* Get COM according instance */
if (huart->Instance == COM1_UART)
{
COM = COM1;
/* Enable COM and GPIO clocks */
COM1_TX_GPIO_CLK_ENABLE();
COM1_RX_GPIO_CLK_ENABLE();
COM1_CLK_ENABLE();
}
else if (huart->Instance == COM2_UART)
{
COM = COM2;
/* Enable COM and GPIO clocks */
COM2_TX_GPIO_CLK_ENABLE();
COM2_RX_GPIO_CLK_ENABLE();
COM2_CLK_ENABLE();
}
else /* COM = ??? */
{
return;
}
/* Configure COM Tx as alternate function */
GPIO_Init.Pin = COM_TX_PIN[COM];
GPIO_Init.Mode = GPIO_MODE_AF_PP;
GPIO_Init.Speed = GPIO_SPEED_FREQ_HIGH;
GPIO_Init.Pull = GPIO_PULLUP;
GPIO_Init.Alternate = COM_TX_AF[COM];
HAL_GPIO_Init(COM_TX_PORT[COM], &GPIO_Init);
/* Configure COM Rx as alternate function */
GPIO_Init.Pin = COM_RX_PIN[COM];
GPIO_Init.Alternate = COM_RX_AF[COM];
HAL_GPIO_Init(COM_RX_PORT[COM], &GPIO_Init);
}
/**
* @brief Deinitialize UART MSP.
* @param huart UART handle.
* @retval None.
*/
static void UART_MspDeInit(const UART_HandleTypeDef *huart)
{
if (huart->Instance == COM1_UART)
{
/* Disable GPIOs used by COM1 TX/RX */
HAL_GPIO_DeInit(COM1_TX_GPIO_PORT, COM1_TX_PIN);
HAL_GPIO_DeInit(COM1_RX_GPIO_PORT, COM1_RX_PIN);
/* Disable UART COM1 clock */
COM1_CLK_DISABLE();
}
else if (huart->Instance == COM2_UART)
{
/* Disable GPIOs used by COM2 TX/RX */
HAL_GPIO_DeInit(COM2_TX_GPIO_PORT, COM2_TX_PIN);
HAL_GPIO_DeInit(COM2_RX_GPIO_PORT, COM2_RX_PIN);
/* Disable UART COM2 clock */
COM2_CLK_DISABLE();
}
else
{
/* Nothing to do */
}
}
#endif /* USE_BSP_COM_FEATURE > 0 */
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
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