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/**
******************************************************************************
* @file gpio_lld.c
* @author MCD Application Team
* @brief This file contains the init of all the GPIOs used by LLD tests.
* It is to be used on both M0 and M4.
******************************************************************************
* @attention
*
* Copyright (c) STMicroelectronics</center></h2>
(-2021) 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 ------------------------------------------------------------------*/
// Be carrefull with the .h included as this file must be compilable on both M0 and M4 environments
#include "app_conf.h"
#include "gpio_lld.h"
/* Set PHY GPIO_HARD_FAULT to '1' */
void gpio_lld_phy_gpioHardFault_up(void) {
HAL_GPIO_WritePin(GPIO_HARD_FAULT_PORT, GPIO_HARD_FAULT_PIN, GPIO_PIN_SET);
}
/* Set PHY GPIO_HARD_FAULT to '0' */
void gpio_lld_phy_gpioHardFault_down(void) {
HAL_GPIO_WritePin(GPIO_HARD_FAULT_PORT, GPIO_HARD_FAULT_PIN, GPIO_PIN_RESET);
}
/* Initialize GPIOs used by USART */
void gpio_lld_usart_init(void)
{
GPIO_InitTypeDef gpioinitstruct = {0};
/*** Configure the GPIOs ***/
/* Enable GPIO clock */
USART_TX_GPIO_CLK_ENABLE();
USART_RX_GPIO_CLK_ENABLE();
/* Common configuration to Tx and Rx */
gpioinitstruct.Mode = GPIO_MODE_AF_PP;
gpioinitstruct.Pull = GPIO_NOPULL;
gpioinitstruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
/* Configure USART Tx */
gpioinitstruct.Pin = USART_TX_PIN;
gpioinitstruct.Alternate = USART_TX_AF;
HAL_GPIO_Init(USART_TX_GPIO_PORT, &gpioinitstruct);
/* Configure USART Rx */
gpioinitstruct.Pin = USART_RX_PIN;
gpioinitstruct.Alternate = USART_RX_AF;
HAL_GPIO_Init(USART_RX_GPIO_PORT, &gpioinitstruct);
/*** Configure the USART peripheral ***/
/* Enable USART clock */
USART_CLK_ENABLE();
}
/* De-initialize GPIOs used by USART */
void gpio_lld_usart_deInit(void) {
HAL_GPIO_DeInit(USART_TX_GPIO_PORT, USART_TX_PIN);
HAL_GPIO_DeInit(USART_RX_GPIO_PORT, USART_RX_PIN);
/* Do not disable clocks as they could be used by others GPIOs and it seems
to not need power in STOP mode */
}
/* Initialize GPIOs used by LPUART */
void gpio_lld_lpuart_init(void)
{
GPIO_InitTypeDef gpioinitstruct = {0};
/*** Configure the GPIOs ***/
/* Enable GPIO clock */
LPUART_TX_GPIO_CLK_ENABLE();
LPUART_RX_GPIO_CLK_ENABLE();
/* Common configuration to Tx and Rx */
gpioinitstruct.Mode = GPIO_MODE_AF_PP;
gpioinitstruct.Pull = GPIO_NOPULL;
gpioinitstruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
/* Configure LPUART Tx */
gpioinitstruct.Pin = LPUART_TX_PIN;
gpioinitstruct.Alternate = LPUART_TX_AF;
HAL_GPIO_Init(LPUART_TX_GPIO_PORT, &gpioinitstruct);
/* Configure LPUART Rx */
gpioinitstruct.Pin = LPUART_RX_PIN;
gpioinitstruct.Alternate = LPUART_RX_AF;
HAL_GPIO_Init(LPUART_RX_GPIO_PORT, &gpioinitstruct);
/*** Configure the LPUART peripheral ***/
/* Enable LPUART clock */
LPUART_CLK_ENABLE();
}
/* De-initialize GPIOs used by LPUART */
void gpio_lld_lpuart_deInit(void) {
HAL_GPIO_DeInit(LPUART_TX_GPIO_PORT, LPUART_TX_PIN);
HAL_GPIO_DeInit(LPUART_RX_GPIO_PORT, LPUART_RX_PIN);
/* Do not disable clocks as they could be used by others GPIOs and it seems
to not need power in STOP mode */
}
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