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#include "stm_init.h"
#include "stm32f4xx_hal.h"
static void Error_Handler(void);
extern void HAL_DMA_XferCpltCallback(DMA_HandleTypeDef *hdma);
void HAL_TIM_IC_MspInit(TIM_HandleTypeDef* htim)
{
if (htim->Instance == TIM2) {
/* Configure DMA input capturing.
*
* Amplified avalanche noise is present at pin PA1,
* which has Alternate Function TIM2_CH2.
*
* TIM2_CH2 is DMA1 stream 6, channel 3 according to Table 28
* (DMA1 request mapping) in the reference manual (RM0368).
*/
__DMA1_CLK_ENABLE();
__TIM2_CLK_ENABLE();
__GPIOA_CLK_ENABLE();
hdma_tim.Instance = DMA1_Stream6;
hdma_tim.Init.Channel = DMA_CHANNEL_3;
hdma_tim.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma_tim.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_tim.Init.MemInc = DMA_MINC_ENABLE;
hdma_tim.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
hdma_tim.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
hdma_tim.Init.Mode = DMA_NORMAL;
hdma_tim.Init.Priority = DMA_PRIORITY_HIGH;
hdma_tim.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
hdma_tim.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
hdma_tim.Init.MemBurst = DMA_MBURST_SINGLE;
hdma_tim.Init.PeriphBurst = DMA_PBURST_SINGLE;
/* Link hdma_tim to hdma[2] (channel3) */
__HAL_LINKDMA(htim, hdma[TIM_DMA_ID_CC2], hdma_tim);
/* Initialize TIMx DMA handle */
if (HAL_DMA_Init(&hdma_tim) != HAL_OK) {
Error_Handler();
}
}
}
void HAL_UART_MspInit(UART_HandleTypeDef* huart)
{
GPIO_InitTypeDef GPIO_InitStruct;
if (huart->Instance == USART1) {
/* Peripheral clock enable */
__USART1_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_FAST;
GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* NVIC for interrupt mode */
HAL_NVIC_SetPriority(USART1_IRQn, 0, 1);
HAL_NVIC_EnableIRQ(USART1_IRQn);
} else if (huart->Instance == USART2) {
/* Peripheral clock enable */
__USART2_CLK_ENABLE();
GPIO_InitStruct.Pin = GPIO_PIN_2 | GPIO_PIN_3;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
GPIO_InitStruct.Alternate = GPIO_AF7_USART2;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* NVIC for interrupt mode */
HAL_NVIC_SetPriority(USART2_IRQn, 0, 1);
HAL_NVIC_EnableIRQ(USART2_IRQn);
}
}
void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
{
if (huart->Instance == USART1) {
/* Peripheral clock disable */
__USART1_CLK_DISABLE();
/**USART1 GPIO Configuration
PA9 ------> USART1_TX
PA10 ------> USART1_RX
*/
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9 | GPIO_PIN_10);
} else if (huart->Instance == USART2) {
__USART2_CLK_DISABLE();
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_2 | GPIO_PIN_3);
}
}
/**
* @brief This function is executed in case of error occurrence.
* @param None
* @retval None
*/
static void Error_Handler(void)
{
/* Turn on RED LED and then loop indefinitely */
HAL_GPIO_WritePin(LED_PORT, LED_RED, GPIO_PIN_SET);
while (1) { ; }
}
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