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epm/Core/Src/usart.c

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/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file usart.c
* @brief This file provides code for the configuration
* of the USART instances.
******************************************************************************
* @attention
*
* Copyright (c) 2023 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.
*
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "usart.h"
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
UART_HandleTypeDef huart1;
UART_HandleTypeDef huart2;
UART_HandleTypeDef huart4;
UART_HandleTypeDef huart5;
DMA_HandleTypeDef hdma_usart1_rx;
DMA_HandleTypeDef hdma_usart1_tx;
/* USART1 init function */
void MX_USART1_UART_Init(void)
{
/* USER CODE BEGIN USART1_Init 0 */
/* USER CODE END USART1_Init 0 */
/* USER CODE BEGIN USART1_Init 1 */
/* USER CODE END USART1_Init 1 */
huart1.Instance = USART1;
huart1.Init.BaudRate = 115200;
huart1.Init.WordLength = UART_WORDLENGTH_8B;
huart1.Init.StopBits = UART_STOPBITS_1;
huart1.Init.Parity = UART_PARITY_NONE;
huart1.Init.Mode = UART_MODE_TX_RX;
huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
huart1.Init.OverSampling = UART_OVERSAMPLING_16;
huart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
huart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
if (HAL_UART_Init(&huart1) != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN USART1_Init 2 */
/* USER CODE END USART1_Init 2 */
}
/* USART2 init function */
void MX_USART2_UART_Init(void)
{
/* USER CODE BEGIN USART2_Init 0 */
/* USER CODE END USART2_Init 0 */
/* USER CODE BEGIN USART2_Init 1 */
/* USER CODE END USART2_Init 1 */
huart2.Instance = USART2;
huart2.Init.BaudRate = 38400;
huart2.Init.WordLength = UART_WORDLENGTH_8B;
huart2.Init.StopBits = UART_STOPBITS_1;
huart2.Init.Parity = UART_PARITY_NONE;
huart2.Init.Mode = UART_MODE_TX_RX;
huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
huart2.Init.OverSampling = UART_OVERSAMPLING_16;
huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_SWAP_INIT;
huart2.AdvancedInit.Swap = UART_ADVFEATURE_SWAP_ENABLE;
if (HAL_UART_Init(&huart2) != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN USART2_Init 2 */
/* USER CODE END USART2_Init 2 */
}
/* USART4 init function */
void MX_USART4_UART_Init(void)
{
/* USER CODE BEGIN USART4_Init 0 */
/* USER CODE END USART4_Init 0 */
/* USER CODE BEGIN USART4_Init 1 */
/* USER CODE END USART4_Init 1 */
huart4.Instance = USART4;
huart4.Init.BaudRate = 38400;
huart4.Init.WordLength = UART_WORDLENGTH_8B;
huart4.Init.StopBits = UART_STOPBITS_1;
huart4.Init.Parity = UART_PARITY_NONE;
huart4.Init.Mode = UART_MODE_TX_RX;
huart4.Init.HwFlowCtl = UART_HWCONTROL_NONE;
huart4.Init.OverSampling = UART_OVERSAMPLING_16;
huart4.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
huart4.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_SWAP_INIT;
huart4.AdvancedInit.Swap = UART_ADVFEATURE_SWAP_ENABLE;
if (HAL_UART_Init(&huart4) != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN USART4_Init 2 */
/* USER CODE END USART4_Init 2 */
}
/* USART5 init function */
void MX_USART5_UART_Init(void)
{
/* USER CODE BEGIN USART5_Init 0 */
/* USER CODE END USART5_Init 0 */
/* USER CODE BEGIN USART5_Init 1 */
/* USER CODE END USART5_Init 1 */
huart5.Instance = USART5;
huart5.Init.BaudRate = 38400;
huart5.Init.WordLength = UART_WORDLENGTH_8B;
huart5.Init.StopBits = UART_STOPBITS_1;
huart5.Init.Parity = UART_PARITY_NONE;
huart5.Init.Mode = UART_MODE_TX_RX;
huart5.Init.HwFlowCtl = UART_HWCONTROL_NONE;
huart5.Init.OverSampling = UART_OVERSAMPLING_16;
huart5.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
huart5.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_SWAP_INIT;
huart5.AdvancedInit.Swap = UART_ADVFEATURE_SWAP_ENABLE;
if (HAL_UART_Init(&huart5) != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN USART5_Init 2 */
/* USER CODE END USART5_Init 2 */
}
void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
if(uartHandle->Instance==USART1)
{
/* USER CODE BEGIN USART1_MspInit 0 */
/* USER CODE END USART1_MspInit 0 */
/* USART1 clock enable */
__HAL_RCC_USART1_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
/**USART1 GPIO Configuration
PA9 ------> USART1_TX
PA10 ------> USART1_RX
*/
GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_10;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF4_USART1;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* USART1 DMA Init */
/* USART1_RX Init */
hdma_usart1_rx.Instance = DMA1_Channel3;
hdma_usart1_rx.Init.Request = DMA_REQUEST_3;
hdma_usart1_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma_usart1_rx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_usart1_rx.Init.MemInc = DMA_MINC_ENABLE;
hdma_usart1_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_usart1_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_usart1_rx.Init.Mode = DMA_NORMAL;
hdma_usart1_rx.Init.Priority = DMA_PRIORITY_LOW;
if (HAL_DMA_Init(&hdma_usart1_rx) != HAL_OK)
{
Error_Handler();
}
__HAL_LINKDMA(uartHandle,hdmarx,hdma_usart1_rx);
/* USART1_TX Init */
hdma_usart1_tx.Instance = DMA1_Channel2;
hdma_usart1_tx.Init.Request = DMA_REQUEST_3;
hdma_usart1_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
hdma_usart1_tx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_usart1_tx.Init.MemInc = DMA_MINC_ENABLE;
hdma_usart1_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_usart1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_usart1_tx.Init.Mode = DMA_NORMAL;
hdma_usart1_tx.Init.Priority = DMA_PRIORITY_LOW;
if (HAL_DMA_Init(&hdma_usart1_tx) != HAL_OK)
{
Error_Handler();
}
__HAL_LINKDMA(uartHandle,hdmatx,hdma_usart1_tx);
/* USART1 interrupt Init */
HAL_NVIC_SetPriority(USART1_IRQn, 1, 0);
HAL_NVIC_EnableIRQ(USART1_IRQn);
/* USER CODE BEGIN USART1_MspInit 1 */
/* USER CODE END USART1_MspInit 1 */
}
else if(uartHandle->Instance==USART2)
{
/* USER CODE BEGIN USART2_MspInit 0 */
/* USER CODE END USART2_MspInit 0 */
/* USART2 clock enable */
__HAL_RCC_USART2_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
/**USART2 GPIO Configuration
PA2 ------> USART2_TX
PA3 ------> USART2_RX
*/
GPIO_InitStruct.Pin = RS485_RXD2_Pin|RS485_TXD2_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF4_USART2;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* USART2 interrupt Init */
HAL_NVIC_SetPriority(USART2_IRQn, 2, 0);
HAL_NVIC_EnableIRQ(USART2_IRQn);
/* USER CODE BEGIN USART2_MspInit 1 */
/* USER CODE END USART2_MspInit 1 */
}
else if(uartHandle->Instance==USART4)
{
/* USER CODE BEGIN USART4_MspInit 0 */
/* USER CODE END USART4_MspInit 0 */
/* USART4 clock enable */
__HAL_RCC_USART4_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
/**USART4 GPIO Configuration
PC10 ------> USART4_TX
PC11 ------> USART4_RX
*/
GPIO_InitStruct.Pin = RS485_RXD3_Pin|RS485_TXD3_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF6_USART4;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
/* USART4 interrupt Init */
HAL_NVIC_SetPriority(USART4_5_IRQn, 2, 0);
HAL_NVIC_EnableIRQ(USART4_5_IRQn);
/* USER CODE BEGIN USART4_MspInit 1 */
/* USER CODE END USART4_MspInit 1 */
}
else if(uartHandle->Instance==USART5)
{
/* USER CODE BEGIN USART5_MspInit 0 */
/* USER CODE END USART5_MspInit 0 */
/* USART5 clock enable */
__HAL_RCC_USART5_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
/**USART5 GPIO Configuration
PC12 ------> USART5_TX
PD2 ------> USART5_RX
*/
GPIO_InitStruct.Pin = RS485_RXD1_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF2_USART5;
HAL_GPIO_Init(RS485_RXD1_GPIO_Port, &GPIO_InitStruct);
GPIO_InitStruct.Pin = RS485_TXD1_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF6_USART5;
HAL_GPIO_Init(RS485_TXD1_GPIO_Port, &GPIO_InitStruct);
/* USART5 interrupt Init */
HAL_NVIC_SetPriority(USART4_5_IRQn, 2, 0);
HAL_NVIC_EnableIRQ(USART4_5_IRQn);
/* USER CODE BEGIN USART5_MspInit 1 */
/* USER CODE END USART5_MspInit 1 */
}
}
void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
{
if(uartHandle->Instance==USART1)
{
/* USER CODE BEGIN USART1_MspDeInit 0 */
/* USER CODE END USART1_MspDeInit 0 */
/* Peripheral clock disable */
__HAL_RCC_USART1_CLK_DISABLE();
/**USART1 GPIO Configuration
PA9 ------> USART1_TX
PA10 ------> USART1_RX
*/
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9|GPIO_PIN_10);
/* USART1 DMA DeInit */
HAL_DMA_DeInit(uartHandle->hdmarx);
HAL_DMA_DeInit(uartHandle->hdmatx);
/* USART1 interrupt Deinit */
HAL_NVIC_DisableIRQ(USART1_IRQn);
/* USER CODE BEGIN USART1_MspDeInit 1 */
/* USER CODE END USART1_MspDeInit 1 */
}
else if(uartHandle->Instance==USART2)
{
/* USER CODE BEGIN USART2_MspDeInit 0 */
/* USER CODE END USART2_MspDeInit 0 */
/* Peripheral clock disable */
__HAL_RCC_USART2_CLK_DISABLE();
/**USART2 GPIO Configuration
PA2 ------> USART2_TX
PA3 ------> USART2_RX
*/
HAL_GPIO_DeInit(GPIOA, RS485_RXD2_Pin|RS485_TXD2_Pin);
/* USART2 interrupt Deinit */
HAL_NVIC_DisableIRQ(USART2_IRQn);
/* USER CODE BEGIN USART2_MspDeInit 1 */
/* USER CODE END USART2_MspDeInit 1 */
}
else if(uartHandle->Instance==USART4)
{
/* USER CODE BEGIN USART4_MspDeInit 0 */
/* USER CODE END USART4_MspDeInit 0 */
/* Peripheral clock disable */
__HAL_RCC_USART4_CLK_DISABLE();
/**USART4 GPIO Configuration
PC10 ------> USART4_TX
PC11 ------> USART4_RX
*/
HAL_GPIO_DeInit(GPIOC, RS485_RXD3_Pin|RS485_TXD3_Pin);
/* USART4 interrupt Deinit */
/* USER CODE BEGIN USART4:USART4_5_IRQn disable */
/**
* Uncomment the line below to disable the "USART4_5_IRQn" interrupt
* Be aware, disabling shared interrupt may affect other IPs
*/
/* HAL_NVIC_DisableIRQ(USART4_5_IRQn); */
/* USER CODE END USART4:USART4_5_IRQn disable */
/* USER CODE BEGIN USART4_MspDeInit 1 */
/* USER CODE END USART4_MspDeInit 1 */
}
else if(uartHandle->Instance==USART5)
{
/* USER CODE BEGIN USART5_MspDeInit 0 */
/* USER CODE END USART5_MspDeInit 0 */
/* Peripheral clock disable */
__HAL_RCC_USART5_CLK_DISABLE();
/**USART5 GPIO Configuration
PC12 ------> USART5_TX
PD2 ------> USART5_RX
*/
HAL_GPIO_DeInit(RS485_RXD1_GPIO_Port, RS485_RXD1_Pin);
HAL_GPIO_DeInit(RS485_TXD1_GPIO_Port, RS485_TXD1_Pin);
/* USART5 interrupt Deinit */
/* USER CODE BEGIN USART5:USART4_5_IRQn disable */
/**
* Uncomment the line below to disable the "USART4_5_IRQn" interrupt
* Be aware, disabling shared interrupt may affect other IPs
*/
/* HAL_NVIC_DisableIRQ(USART4_5_IRQn); */
/* USER CODE END USART5:USART4_5_IRQn disable */
/* USER CODE BEGIN USART5_MspDeInit 1 */
/* USER CODE END USART5_MspDeInit 1 */
}
}
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
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