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stm32f4xx_hal_msp.c
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stm32f4xx_hal_msp.c
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#include "main.h"
#include "stm32f4xx_hal.h"
#include "stm32f4xx_hal_uart.h"
void HAL_UART_MspInit(UART_HandleTypeDef *huart)
{
if (huart->Instance == UART4)//Result
{
static GPIO_InitTypeDef GPIOInitStruct;//MUST have "static"
static DMA_HandleTypeDef hdma_tx;
__DMA1_CLK_ENABLE();
__GPIOC_CLK_ENABLE();
__UART4_CLK_ENABLE();
GPIOInitStruct.Pin = GPIO_PIN_10;
GPIOInitStruct.Pull = GPIO_NOPULL;
GPIOInitStruct.Mode = GPIO_MODE_AF_PP;
GPIOInitStruct.Speed = GPIO_SPEED_FAST;
GPIOInitStruct.Alternate = GPIO_AF8_UART4;//P60 datasheet
HAL_GPIO_Init(GPIOC,&GPIOInitStruct);
GPIOInitStruct.Pin = GPIO_PIN_11;
GPIOInitStruct.Alternate = GPIO_AF8_UART4;
HAL_GPIO_Init(GPIOC,&GPIOInitStruct);
hdma_tx.Instance = DMA1_Stream4;
hdma_tx.Init.Channel = DMA_CHANNEL_4;
hdma_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
hdma_tx.Init.MemInc = DMA_MINC_ENABLE;
hdma_tx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;//data width
hdma_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
//khi o direct mode, data width cua src va dest nhu nhau
//chi xet data width cua peripheral
hdma_tx.Init.Mode = DMA_NORMAL;//so luong du lieu do dma controller quyet dinh, khong chay lien tuc
hdma_tx.Init.Priority = DMA_PRIORITY_HIGH;
hdma_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
hdma_tx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL ;//co enable fifo dau?????
hdma_tx.Init.MemBurst = DMA_MBURST_SINGLE;
hdma_tx.Init.PeriphBurst = DMA_PBURST_SINGLE;
HAL_DMA_Init(&hdma_tx);
__HAL_LINKDMA(huart,hdmatx,hdma_tx);
HAL_NVIC_SetPriority(DMA1_Stream4_IRQn, 1, 1);
HAL_NVIC_EnableIRQ(DMA1_Stream4_IRQn);
}
else if (huart->Instance == USART2)//rover
{
static GPIO_InitTypeDef GPIOInitStruct;//MUST have "static"
static DMA_HandleTypeDef hdma_rx;
__GPIOA_CLK_ENABLE();
__USART2_CLK_ENABLE();
__DMA1_CLK_ENABLE();
GPIOInitStruct.Pin = GPIO_PIN_2;
GPIOInitStruct.Pull = GPIO_NOPULL;
GPIOInitStruct.Mode = GPIO_MODE_AF_PP;
GPIOInitStruct.Speed = GPIO_SPEED_FAST;
GPIOInitStruct.Alternate = GPIO_AF7_USART2;//P60 datasheet
HAL_GPIO_Init(GPIOA,&GPIOInitStruct);
GPIOInitStruct.Pin = GPIO_PIN_3;
GPIOInitStruct.Alternate = GPIO_AF7_USART2;
HAL_GPIO_Init(GPIOA,&GPIOInitStruct);
hdma_rx.Instance = DMA1_Stream5;
hdma_rx.Init.Channel = DMA_CHANNEL_4;
hdma_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma_rx.Init.MemInc = DMA_MINC_ENABLE;
hdma_rx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_rx.Init.Mode = DMA_CIRCULAR;
hdma_rx.Init.Priority = DMA_PRIORITY_VERY_HIGH;
hdma_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
hdma_rx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
hdma_rx.Init.MemBurst = DMA_MBURST_SINGLE;
hdma_rx.Init.PeriphBurst = DMA_PBURST_SINGLE;
HAL_DMA_Init(&hdma_rx);
__HAL_LINKDMA(huart,hdmarx,hdma_rx);
HAL_NVIC_SetPriority(DMA1_Stream5_IRQn, 0, 1);
HAL_NVIC_EnableIRQ(DMA1_Stream5_IRQn);
}
else if (huart->Instance == USART1)
{
static GPIO_InitTypeDef GPIOInitStruct;//MUST have "static"
static DMA_HandleTypeDef hdma_rx;
__GPIOB_CLK_ENABLE();
__USART1_CLK_ENABLE();
__DMA2_CLK_ENABLE();
GPIOInitStruct.Pin = GPIO_PIN_6;
GPIOInitStruct.Pull = GPIO_NOPULL;
GPIOInitStruct.Mode = GPIO_MODE_AF_PP;
GPIOInitStruct.Speed = GPIO_SPEED_FAST;
GPIOInitStruct.Alternate = GPIO_AF7_USART1;//P60 datasheet
HAL_GPIO_Init(GPIOB,&GPIOInitStruct);
GPIOInitStruct.Pin = GPIO_PIN_7;
GPIOInitStruct.Alternate = GPIO_AF7_USART1;
HAL_GPIO_Init(GPIOB,&GPIOInitStruct);
hdma_rx.Instance = DMA2_Stream2;
hdma_rx.Init.Channel = DMA_CHANNEL_4;
hdma_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma_rx.Init.MemInc = DMA_MINC_ENABLE;
hdma_rx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_rx.Init.Mode = DMA_CIRCULAR;
hdma_rx.Init.Priority = DMA_PRIORITY_VERY_HIGH;
hdma_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
hdma_rx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
hdma_rx.Init.MemBurst = DMA_MBURST_SINGLE;
hdma_rx.Init.PeriphBurst = DMA_PBURST_SINGLE;
HAL_DMA_Init(&hdma_rx);
__HAL_LINKDMA(huart,hdmarx,hdma_rx);
HAL_NVIC_SetPriority(DMA2_Stream2_IRQn, 0, 1);
HAL_NVIC_EnableIRQ(DMA2_Stream2_IRQn);
}
else if (huart->Instance == USART6)//RF
{
static GPIO_InitTypeDef GPIOInitStruct;//MUST have "static"
static DMA_HandleTypeDef hdma_rx2;
__GPIOC_CLK_ENABLE();
__USART6_CLK_ENABLE();
__DMA2_CLK_ENABLE();
GPIOInitStruct.Pin = GPIO_PIN_6;
GPIOInitStruct.Pull = GPIO_NOPULL;
GPIOInitStruct.Mode = GPIO_MODE_AF_PP;
GPIOInitStruct.Speed = GPIO_SPEED_FAST;
GPIOInitStruct.Alternate = GPIO_AF8_USART6;//P60 datasheet
HAL_GPIO_Init(GPIOC,&GPIOInitStruct);
GPIOInitStruct.Pin = GPIO_PIN_7;
GPIOInitStruct.Alternate = GPIO_AF8_USART6;
HAL_GPIO_Init(GPIOC,&GPIOInitStruct);
hdma_rx2.Instance = DMA2_Stream1;
hdma_rx2.Init.Channel = DMA_CHANNEL_5;
hdma_rx2.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma_rx2.Init.MemInc = DMA_MINC_ENABLE;
hdma_rx2.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_rx2.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_rx2.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_rx2.Init.Mode = DMA_CIRCULAR;
hdma_rx2.Init.Priority = DMA_PRIORITY_VERY_HIGH;
hdma_rx2.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
hdma_rx2.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
hdma_rx2.Init.MemBurst = DMA_MBURST_SINGLE;
hdma_rx2.Init.PeriphBurst = DMA_PBURST_SINGLE;
HAL_DMA_Init(&hdma_rx2);
__HAL_LINKDMA(huart,hdmarx,hdma_rx2);
HAL_NVIC_SetPriority(DMA2_Stream1_IRQn, 0, 1);
HAL_NVIC_EnableIRQ(DMA2_Stream1_IRQn);
}
}