f407ve_packetusart_c/Src/dma.c

166 lines
6.3 KiB
C

/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file dma.c
* @brief This file provides code for the configuration
* of all the requested memory to memory DMA transfers.
******************************************************************************
* @attention
*
* Copyright (c) 2025 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 "dma.h"
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
/*----------------------------------------------------------------------------*/
/* Configure DMA */
/*----------------------------------------------------------------------------*/
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/**
* Enable DMA controller clock
*/
void MX_DMA_Init(void)
{
/* Init with LL driver */
/* DMA controller clock enable */
LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_DMA2);
LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_DMA1);
/* Configure DMA request MEMTOMEM_DMA2_Stream4 */
/* Select channel */
LL_DMA_SetChannelSelection(DMA2, LL_DMA_STREAM_4, LL_DMA_CHANNEL_0);
/* Set transfer direction */
LL_DMA_SetDataTransferDirection(DMA2, LL_DMA_STREAM_4, LL_DMA_DIRECTION_MEMORY_TO_MEMORY);
/* Set priority level */
LL_DMA_SetStreamPriorityLevel(DMA2, LL_DMA_STREAM_4, LL_DMA_PRIORITY_LOW);
/* Set DMA mode */
LL_DMA_SetMode(DMA2, LL_DMA_STREAM_4, LL_DMA_MODE_NORMAL);
/* Set peripheral increment mode */
LL_DMA_SetPeriphIncMode(DMA2, LL_DMA_STREAM_4, LL_DMA_PERIPH_INCREMENT);
/* Set memory increment mode */
LL_DMA_SetMemoryIncMode(DMA2, LL_DMA_STREAM_4, LL_DMA_MEMORY_NOINCREMENT);
/* Set peripheral data width */
LL_DMA_SetPeriphSize(DMA2, LL_DMA_STREAM_4, LL_DMA_PDATAALIGN_WORD);
/* Set memory data width */
LL_DMA_SetMemorySize(DMA2, LL_DMA_STREAM_4, LL_DMA_MDATAALIGN_WORD);
/* Enable FIFO mode */
LL_DMA_EnableFifoMode(DMA2, LL_DMA_STREAM_4);
/* Set FIFO threshold */
LL_DMA_SetFIFOThreshold(DMA2, LL_DMA_STREAM_4, LL_DMA_FIFOTHRESHOLD_FULL);
/* Set memory burst size */
LL_DMA_SetMemoryBurstxfer(DMA2, LL_DMA_STREAM_4, LL_DMA_MBURST_SINGLE);
/* Set peripheral burst size */
LL_DMA_SetPeriphBurstxfer(DMA2, LL_DMA_STREAM_4, LL_DMA_PBURST_SINGLE);
/* Configure DMA request MEMTOMEM_DMA2_Stream3 */
/* Select channel */
LL_DMA_SetChannelSelection(DMA2, LL_DMA_STREAM_3, LL_DMA_CHANNEL_0);
/* Set transfer direction */
LL_DMA_SetDataTransferDirection(DMA2, LL_DMA_STREAM_3, LL_DMA_DIRECTION_MEMORY_TO_MEMORY);
/* Set priority level */
LL_DMA_SetStreamPriorityLevel(DMA2, LL_DMA_STREAM_3, LL_DMA_PRIORITY_LOW);
/* Set DMA mode */
LL_DMA_SetMode(DMA2, LL_DMA_STREAM_3, LL_DMA_MODE_NORMAL);
/* Set peripheral increment mode */
LL_DMA_SetPeriphIncMode(DMA2, LL_DMA_STREAM_3, LL_DMA_PERIPH_INCREMENT);
/* Set memory increment mode */
LL_DMA_SetMemoryIncMode(DMA2, LL_DMA_STREAM_3, LL_DMA_MEMORY_INCREMENT);
/* Set peripheral data width */
LL_DMA_SetPeriphSize(DMA2, LL_DMA_STREAM_3, LL_DMA_PDATAALIGN_WORD);
/* Set memory data width */
LL_DMA_SetMemorySize(DMA2, LL_DMA_STREAM_3, LL_DMA_MDATAALIGN_WORD);
/* Enable FIFO mode */
LL_DMA_EnableFifoMode(DMA2, LL_DMA_STREAM_3);
/* Set FIFO threshold */
LL_DMA_SetFIFOThreshold(DMA2, LL_DMA_STREAM_3, LL_DMA_FIFOTHRESHOLD_FULL);
/* Set memory burst size */
LL_DMA_SetMemoryBurstxfer(DMA2, LL_DMA_STREAM_3, LL_DMA_MBURST_SINGLE);
/* Set peripheral burst size */
LL_DMA_SetPeriphBurstxfer(DMA2, LL_DMA_STREAM_3, LL_DMA_PBURST_SINGLE);
/* DMA interrupt init */
/* DMA1_Stream1_IRQn interrupt configuration */
NVIC_SetPriority(DMA1_Stream1_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),1, 0));
NVIC_EnableIRQ(DMA1_Stream1_IRQn);
/* DMA1_Stream2_IRQn interrupt configuration */
NVIC_SetPriority(DMA1_Stream2_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),1, 0));
NVIC_EnableIRQ(DMA1_Stream2_IRQn);
/* DMA1_Stream3_IRQn interrupt configuration */
NVIC_SetPriority(DMA1_Stream3_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),1, 0));
NVIC_EnableIRQ(DMA1_Stream3_IRQn);
/* DMA1_Stream4_IRQn interrupt configuration */
NVIC_SetPriority(DMA1_Stream4_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),1, 0));
NVIC_EnableIRQ(DMA1_Stream4_IRQn);
/* DMA1_Stream5_IRQn interrupt configuration */
NVIC_SetPriority(DMA1_Stream5_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),1, 0));
NVIC_EnableIRQ(DMA1_Stream5_IRQn);
/* DMA1_Stream6_IRQn interrupt configuration */
NVIC_SetPriority(DMA1_Stream6_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),1, 0));
NVIC_EnableIRQ(DMA1_Stream6_IRQn);
/* DMA2_Stream1_IRQn interrupt configuration */
NVIC_SetPriority(DMA2_Stream1_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),1, 0));
NVIC_EnableIRQ(DMA2_Stream1_IRQn);
/* DMA2_Stream2_IRQn interrupt configuration */
NVIC_SetPriority(DMA2_Stream2_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),1, 0));
NVIC_EnableIRQ(DMA2_Stream2_IRQn);
/* DMA2_Stream3_IRQn interrupt configuration */
NVIC_SetPriority(DMA2_Stream3_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
NVIC_EnableIRQ(DMA2_Stream3_IRQn);
/* DMA2_Stream4_IRQn interrupt configuration */
NVIC_SetPriority(DMA2_Stream4_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
NVIC_EnableIRQ(DMA2_Stream4_IRQn);
/* DMA2_Stream6_IRQn interrupt configuration */
NVIC_SetPriority(DMA2_Stream6_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),1, 0));
NVIC_EnableIRQ(DMA2_Stream6_IRQn);
/* DMA2_Stream7_IRQn interrupt configuration */
NVIC_SetPriority(DMA2_Stream7_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),1, 0));
NVIC_EnableIRQ(DMA2_Stream7_IRQn);
}
/* USER CODE BEGIN 2 */
/* USER CODE END 2 */