423 lines
13 KiB
C
423 lines
13 KiB
C
/* USER CODE BEGIN Header */
|
|
/**
|
|
******************************************************************************
|
|
* @file usart.c
|
|
* @brief This file provides code for the configuration
|
|
* of the USART instances.
|
|
******************************************************************************
|
|
* @attention
|
|
*
|
|
* Copyright (c) 2024 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 hlpuart1;
|
|
DMA_HandleTypeDef hdma_lpuart1_rx;
|
|
DMA_HandleTypeDef hdma_lpuart1_tx;
|
|
|
|
/* LPUART1 init function */
|
|
|
|
void MX_LPUART1_UART_Init(void)
|
|
{
|
|
|
|
/* USER CODE BEGIN LPUART1_Init 0 */
|
|
|
|
/* USER CODE END LPUART1_Init 0 */
|
|
|
|
/* USER CODE BEGIN LPUART1_Init 1 */
|
|
|
|
/* USER CODE END LPUART1_Init 1 */
|
|
hlpuart1.Instance = LPUART1;
|
|
hlpuart1.Init.BaudRate = 3000000;
|
|
hlpuart1.Init.WordLength = UART_WORDLENGTH_8B;
|
|
hlpuart1.Init.StopBits = UART_STOPBITS_1;
|
|
hlpuart1.Init.Parity = UART_PARITY_NONE;
|
|
hlpuart1.Init.Mode = UART_MODE_TX_RX;
|
|
hlpuart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
|
|
hlpuart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
|
|
hlpuart1.Init.ClockPrescaler = UART_PRESCALER_DIV1;
|
|
hlpuart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
|
|
hlpuart1.FifoMode = UART_FIFOMODE_DISABLE;
|
|
if (HAL_UART_Init(&hlpuart1) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
if (HAL_UARTEx_SetTxFifoThreshold(&hlpuart1, UART_TXFIFO_THRESHOLD_1_8) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
if (HAL_UARTEx_SetRxFifoThreshold(&hlpuart1, UART_RXFIFO_THRESHOLD_1_8) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
if (HAL_UARTEx_DisableFifoMode(&hlpuart1) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
/* USER CODE BEGIN LPUART1_Init 2 */
|
|
|
|
/* USER CODE END LPUART1_Init 2 */
|
|
|
|
}
|
|
/* USART1 init function */
|
|
|
|
void MX_USART1_UART_Init(void)
|
|
{
|
|
|
|
/* USER CODE BEGIN USART1_Init 0 */
|
|
|
|
/* USER CODE END USART1_Init 0 */
|
|
|
|
LL_USART_InitTypeDef USART_InitStruct = {0};
|
|
|
|
LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
|
|
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
|
|
|
|
/** Initializes the peripherals clock
|
|
*/
|
|
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USART1;
|
|
PeriphClkInitStruct.Usart16ClockSelection = RCC_USART16910CLKSOURCE_D2PCLK2;
|
|
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
|
|
/* Peripheral clock enable */
|
|
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_USART1);
|
|
|
|
LL_AHB4_GRP1_EnableClock(LL_AHB4_GRP1_PERIPH_GPIOB);
|
|
/**USART1 GPIO Configuration
|
|
PB14 ------> USART1_TX
|
|
PB15 ------> USART1_RX
|
|
*/
|
|
GPIO_InitStruct.Pin = LL_GPIO_PIN_14|LL_GPIO_PIN_15;
|
|
GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
|
|
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_VERY_HIGH;
|
|
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
|
|
GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
|
|
GPIO_InitStruct.Alternate = LL_GPIO_AF_4;
|
|
LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
|
|
|
|
/* USART1 DMA Init */
|
|
|
|
/* USART1_RX Init */
|
|
LL_DMA_SetPeriphRequest(DMA1, LL_DMA_STREAM_0, LL_DMAMUX1_REQ_USART1_RX);
|
|
|
|
LL_DMA_SetDataTransferDirection(DMA1, LL_DMA_STREAM_0, LL_DMA_DIRECTION_PERIPH_TO_MEMORY);
|
|
|
|
LL_DMA_SetStreamPriorityLevel(DMA1, LL_DMA_STREAM_0, LL_DMA_PRIORITY_MEDIUM);
|
|
|
|
LL_DMA_SetMode(DMA1, LL_DMA_STREAM_0, LL_DMA_MODE_CIRCULAR);
|
|
|
|
LL_DMA_SetPeriphIncMode(DMA1, LL_DMA_STREAM_0, LL_DMA_PERIPH_NOINCREMENT);
|
|
|
|
LL_DMA_SetMemoryIncMode(DMA1, LL_DMA_STREAM_0, LL_DMA_MEMORY_INCREMENT);
|
|
|
|
LL_DMA_SetPeriphSize(DMA1, LL_DMA_STREAM_0, LL_DMA_PDATAALIGN_BYTE);
|
|
|
|
LL_DMA_SetMemorySize(DMA1, LL_DMA_STREAM_0, LL_DMA_MDATAALIGN_BYTE);
|
|
|
|
LL_DMA_DisableFifoMode(DMA1, LL_DMA_STREAM_0);
|
|
|
|
/* USART1_TX Init */
|
|
LL_DMA_SetPeriphRequest(DMA1, LL_DMA_STREAM_1, LL_DMAMUX1_REQ_USART1_TX);
|
|
|
|
LL_DMA_SetDataTransferDirection(DMA1, LL_DMA_STREAM_1, LL_DMA_DIRECTION_MEMORY_TO_PERIPH);
|
|
|
|
LL_DMA_SetStreamPriorityLevel(DMA1, LL_DMA_STREAM_1, LL_DMA_PRIORITY_MEDIUM);
|
|
|
|
LL_DMA_SetMode(DMA1, LL_DMA_STREAM_1, LL_DMA_MODE_NORMAL);
|
|
|
|
LL_DMA_SetPeriphIncMode(DMA1, LL_DMA_STREAM_1, LL_DMA_PERIPH_NOINCREMENT);
|
|
|
|
LL_DMA_SetMemoryIncMode(DMA1, LL_DMA_STREAM_1, LL_DMA_MEMORY_INCREMENT);
|
|
|
|
LL_DMA_SetPeriphSize(DMA1, LL_DMA_STREAM_1, LL_DMA_PDATAALIGN_BYTE);
|
|
|
|
LL_DMA_SetMemorySize(DMA1, LL_DMA_STREAM_1, LL_DMA_MDATAALIGN_BYTE);
|
|
|
|
LL_DMA_DisableFifoMode(DMA1, LL_DMA_STREAM_1);
|
|
|
|
/* USART1 interrupt Init */
|
|
NVIC_SetPriority(USART1_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),5, 0));
|
|
NVIC_EnableIRQ(USART1_IRQn);
|
|
|
|
/* USER CODE BEGIN USART1_Init 1 */
|
|
|
|
/* USER CODE END USART1_Init 1 */
|
|
USART_InitStruct.PrescalerValue = LL_USART_PRESCALER_DIV1;
|
|
USART_InitStruct.BaudRate = 2000000;
|
|
USART_InitStruct.DataWidth = LL_USART_DATAWIDTH_8B;
|
|
USART_InitStruct.StopBits = LL_USART_STOPBITS_1;
|
|
USART_InitStruct.Parity = LL_USART_PARITY_NONE;
|
|
USART_InitStruct.TransferDirection = LL_USART_DIRECTION_TX_RX;
|
|
USART_InitStruct.HardwareFlowControl = LL_USART_HWCONTROL_NONE;
|
|
USART_InitStruct.OverSampling = LL_USART_OVERSAMPLING_16;
|
|
LL_USART_Init(USART1, &USART_InitStruct);
|
|
LL_USART_SetTXFIFOThreshold(USART1, LL_USART_FIFOTHRESHOLD_7_8);
|
|
LL_USART_SetRXFIFOThreshold(USART1, LL_USART_FIFOTHRESHOLD_7_8);
|
|
LL_USART_EnableFIFO(USART1);
|
|
LL_USART_ConfigAsyncMode(USART1);
|
|
|
|
/* USER CODE BEGIN WKUPType USART1 */
|
|
|
|
/* USER CODE END WKUPType USART1 */
|
|
|
|
LL_USART_Enable(USART1);
|
|
|
|
/* Polling USART1 initialisation */
|
|
while((!(LL_USART_IsActiveFlag_TEACK(USART1))) || (!(LL_USART_IsActiveFlag_REACK(USART1))))
|
|
{
|
|
}
|
|
/* USER CODE BEGIN USART1_Init 2 */
|
|
|
|
/* USER CODE END USART1_Init 2 */
|
|
|
|
}
|
|
/* USART3 init function */
|
|
|
|
void MX_USART3_UART_Init(void)
|
|
{
|
|
|
|
/* USER CODE BEGIN USART3_Init 0 */
|
|
|
|
/* USER CODE END USART3_Init 0 */
|
|
|
|
LL_USART_InitTypeDef USART_InitStruct = {0};
|
|
|
|
LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
|
|
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
|
|
|
|
/** Initializes the peripherals clock
|
|
*/
|
|
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USART3;
|
|
PeriphClkInitStruct.Usart234578ClockSelection = RCC_USART234578CLKSOURCE_D2PCLK1;
|
|
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
|
|
/* Peripheral clock enable */
|
|
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_USART3);
|
|
|
|
LL_AHB4_GRP1_EnableClock(LL_AHB4_GRP1_PERIPH_GPIOD);
|
|
/**USART3 GPIO Configuration
|
|
PD8 ------> USART3_TX
|
|
PD9 ------> USART3_RX
|
|
PD12 ------> USART3_DE
|
|
*/
|
|
GPIO_InitStruct.Pin = LL_GPIO_PIN_8|LL_GPIO_PIN_9|LL_GPIO_PIN_12;
|
|
GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
|
|
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_VERY_HIGH;
|
|
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
|
|
GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
|
|
GPIO_InitStruct.Alternate = LL_GPIO_AF_7;
|
|
LL_GPIO_Init(GPIOD, &GPIO_InitStruct);
|
|
|
|
/* USART3 DMA Init */
|
|
|
|
/* USART3_RX Init */
|
|
LL_DMA_SetPeriphRequest(DMA1, LL_DMA_STREAM_2, LL_DMAMUX1_REQ_USART3_RX);
|
|
|
|
LL_DMA_SetDataTransferDirection(DMA1, LL_DMA_STREAM_2, LL_DMA_DIRECTION_PERIPH_TO_MEMORY);
|
|
|
|
LL_DMA_SetStreamPriorityLevel(DMA1, LL_DMA_STREAM_2, LL_DMA_PRIORITY_MEDIUM);
|
|
|
|
LL_DMA_SetMode(DMA1, LL_DMA_STREAM_2, LL_DMA_MODE_CIRCULAR);
|
|
|
|
LL_DMA_SetPeriphIncMode(DMA1, LL_DMA_STREAM_2, LL_DMA_PERIPH_NOINCREMENT);
|
|
|
|
LL_DMA_SetMemoryIncMode(DMA1, LL_DMA_STREAM_2, LL_DMA_MEMORY_INCREMENT);
|
|
|
|
LL_DMA_SetPeriphSize(DMA1, LL_DMA_STREAM_2, LL_DMA_PDATAALIGN_BYTE);
|
|
|
|
LL_DMA_SetMemorySize(DMA1, LL_DMA_STREAM_2, LL_DMA_MDATAALIGN_BYTE);
|
|
|
|
LL_DMA_DisableFifoMode(DMA1, LL_DMA_STREAM_2);
|
|
|
|
/* USART3_TX Init */
|
|
LL_DMA_SetPeriphRequest(DMA1, LL_DMA_STREAM_3, LL_DMAMUX1_REQ_USART3_TX);
|
|
|
|
LL_DMA_SetDataTransferDirection(DMA1, LL_DMA_STREAM_3, LL_DMA_DIRECTION_MEMORY_TO_PERIPH);
|
|
|
|
LL_DMA_SetStreamPriorityLevel(DMA1, LL_DMA_STREAM_3, LL_DMA_PRIORITY_MEDIUM);
|
|
|
|
LL_DMA_SetMode(DMA1, LL_DMA_STREAM_3, LL_DMA_MODE_NORMAL);
|
|
|
|
LL_DMA_SetPeriphIncMode(DMA1, LL_DMA_STREAM_3, LL_DMA_PERIPH_NOINCREMENT);
|
|
|
|
LL_DMA_SetMemoryIncMode(DMA1, LL_DMA_STREAM_3, LL_DMA_MEMORY_INCREMENT);
|
|
|
|
LL_DMA_SetPeriphSize(DMA1, LL_DMA_STREAM_3, LL_DMA_PDATAALIGN_BYTE);
|
|
|
|
LL_DMA_SetMemorySize(DMA1, LL_DMA_STREAM_3, LL_DMA_MDATAALIGN_BYTE);
|
|
|
|
LL_DMA_DisableFifoMode(DMA1, LL_DMA_STREAM_3);
|
|
|
|
/* USART3 interrupt Init */
|
|
NVIC_SetPriority(USART3_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),5, 0));
|
|
NVIC_EnableIRQ(USART3_IRQn);
|
|
|
|
/* USER CODE BEGIN USART3_Init 1 */
|
|
|
|
/* USER CODE END USART3_Init 1 */
|
|
USART_InitStruct.PrescalerValue = LL_USART_PRESCALER_DIV1;
|
|
USART_InitStruct.BaudRate = 2000000;
|
|
USART_InitStruct.DataWidth = LL_USART_DATAWIDTH_8B;
|
|
USART_InitStruct.StopBits = LL_USART_STOPBITS_1;
|
|
USART_InitStruct.Parity = LL_USART_PARITY_NONE;
|
|
USART_InitStruct.TransferDirection = LL_USART_DIRECTION_TX_RX;
|
|
USART_InitStruct.HardwareFlowControl = LL_USART_HWCONTROL_NONE;
|
|
USART_InitStruct.OverSampling = LL_USART_OVERSAMPLING_16;
|
|
LL_USART_Init(USART3, &USART_InitStruct);
|
|
LL_USART_SetTXFIFOThreshold(USART3, LL_USART_FIFOTHRESHOLD_7_8);
|
|
LL_USART_SetRXFIFOThreshold(USART3, LL_USART_FIFOTHRESHOLD_7_8);
|
|
LL_USART_EnableDEMode(USART3);
|
|
LL_USART_SetDESignalPolarity(USART3, LL_USART_DE_POLARITY_HIGH);
|
|
LL_USART_SetDEAssertionTime(USART3, 0);
|
|
LL_USART_SetDEDeassertionTime(USART3, 0);
|
|
LL_USART_EnableFIFO(USART3);
|
|
LL_USART_SetTXRXSwap(USART3, LL_USART_TXRX_SWAPPED);
|
|
LL_USART_ConfigAsyncMode(USART3);
|
|
|
|
/* USER CODE BEGIN WKUPType USART3 */
|
|
|
|
/* USER CODE END WKUPType USART3 */
|
|
|
|
LL_USART_Enable(USART3);
|
|
|
|
/* Polling USART3 initialisation */
|
|
while((!(LL_USART_IsActiveFlag_TEACK(USART3))) || (!(LL_USART_IsActiveFlag_REACK(USART3))))
|
|
{
|
|
}
|
|
/* USER CODE BEGIN USART3_Init 2 */
|
|
|
|
/* USER CODE END USART3_Init 2 */
|
|
|
|
}
|
|
|
|
void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
|
|
{
|
|
|
|
GPIO_InitTypeDef GPIO_InitStruct = {0};
|
|
if(uartHandle->Instance==LPUART1)
|
|
{
|
|
/* USER CODE BEGIN LPUART1_MspInit 0 */
|
|
|
|
/* USER CODE END LPUART1_MspInit 0 */
|
|
|
|
/* LPUART1 clock enable */
|
|
__HAL_RCC_LPUART1_CLK_ENABLE();
|
|
|
|
__HAL_RCC_GPIOA_CLK_ENABLE();
|
|
__HAL_RCC_GPIOB_CLK_ENABLE();
|
|
/**LPUART1 GPIO Configuration
|
|
PA10 ------> LPUART1_RX
|
|
PB6 ------> LPUART1_TX
|
|
*/
|
|
GPIO_InitStruct.Pin = GPIO_PIN_10;
|
|
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
|
|
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
|
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
|
|
GPIO_InitStruct.Alternate = GPIO_AF3_LPUART;
|
|
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
|
|
|
|
GPIO_InitStruct.Pin = GPIO_PIN_6;
|
|
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
|
|
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
|
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
|
|
GPIO_InitStruct.Alternate = GPIO_AF8_LPUART;
|
|
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
|
|
|
|
/* LPUART1 DMA Init */
|
|
/* LPUART1_RX Init */
|
|
hdma_lpuart1_rx.Instance = BDMA_Channel0;
|
|
hdma_lpuart1_rx.Init.Request = BDMA_REQUEST_LPUART1_RX;
|
|
hdma_lpuart1_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
|
|
hdma_lpuart1_rx.Init.PeriphInc = DMA_PINC_DISABLE;
|
|
hdma_lpuart1_rx.Init.MemInc = DMA_MINC_ENABLE;
|
|
hdma_lpuart1_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
|
|
hdma_lpuart1_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
|
|
hdma_lpuart1_rx.Init.Mode = DMA_NORMAL;
|
|
hdma_lpuart1_rx.Init.Priority = DMA_PRIORITY_LOW;
|
|
if (HAL_DMA_Init(&hdma_lpuart1_rx) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
|
|
__HAL_LINKDMA(uartHandle,hdmarx,hdma_lpuart1_rx);
|
|
|
|
/* LPUART1_TX Init */
|
|
hdma_lpuart1_tx.Instance = BDMA_Channel1;
|
|
hdma_lpuart1_tx.Init.Request = BDMA_REQUEST_LPUART1_TX;
|
|
hdma_lpuart1_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
|
|
hdma_lpuart1_tx.Init.PeriphInc = DMA_PINC_DISABLE;
|
|
hdma_lpuart1_tx.Init.MemInc = DMA_MINC_ENABLE;
|
|
hdma_lpuart1_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
|
|
hdma_lpuart1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
|
|
hdma_lpuart1_tx.Init.Mode = DMA_NORMAL;
|
|
hdma_lpuart1_tx.Init.Priority = DMA_PRIORITY_LOW;
|
|
if (HAL_DMA_Init(&hdma_lpuart1_tx) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
|
|
__HAL_LINKDMA(uartHandle,hdmatx,hdma_lpuart1_tx);
|
|
|
|
/* LPUART1 interrupt Init */
|
|
HAL_NVIC_SetPriority(LPUART1_IRQn, 5, 0);
|
|
HAL_NVIC_EnableIRQ(LPUART1_IRQn);
|
|
/* USER CODE BEGIN LPUART1_MspInit 1 */
|
|
|
|
/* USER CODE END LPUART1_MspInit 1 */
|
|
}
|
|
}
|
|
|
|
void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
|
|
{
|
|
|
|
if(uartHandle->Instance==LPUART1)
|
|
{
|
|
/* USER CODE BEGIN LPUART1_MspDeInit 0 */
|
|
|
|
/* USER CODE END LPUART1_MspDeInit 0 */
|
|
/* Peripheral clock disable */
|
|
__HAL_RCC_LPUART1_CLK_DISABLE();
|
|
|
|
/**LPUART1 GPIO Configuration
|
|
PA10 ------> LPUART1_RX
|
|
PB6 ------> LPUART1_TX
|
|
*/
|
|
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_10);
|
|
|
|
HAL_GPIO_DeInit(GPIOB, GPIO_PIN_6);
|
|
|
|
/* LPUART1 DMA DeInit */
|
|
HAL_DMA_DeInit(uartHandle->hdmarx);
|
|
HAL_DMA_DeInit(uartHandle->hdmatx);
|
|
|
|
/* LPUART1 interrupt Deinit */
|
|
HAL_NVIC_DisableIRQ(LPUART1_IRQn);
|
|
/* USER CODE BEGIN LPUART1_MspDeInit 1 */
|
|
|
|
/* USER CODE END LPUART1_MspDeInit 1 */
|
|
}
|
|
}
|
|
|
|
/* USER CODE BEGIN 1 */
|
|
|
|
/* USER CODE END 1 */
|