IRIS_Zhu/Encoder_Time_Sysn
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可以实现编码器输出同时输出时间单位毫秒

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This commit is contained in:
wantong
2024-04-25 16:58:12 +08:00
parent 8d6d5c773d
commit 6fc86e91e9
44 changed files with 3677 additions and 7640 deletions
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43
Core/Src/usart.c
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@ -19,12 +19,13 @@
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "usart.h"
#include "stdio.h"
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
UART_HandleTypeDef huart1;
DMA_HandleTypeDef hdma_usart1_tx;
/* USART1 init function */
@ -106,11 +107,30 @@ void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* USART1 DMA Init */
/* USART1_TX Init */
hdma_usart1_tx.Instance = DMA1_Stream0;
hdma_usart1_tx.Init.Request = DMA_REQUEST_USART1_TX;
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_CIRCULAR;
hdma_usart1_tx.Init.Priority = DMA_PRIORITY_LOW;
hdma_usart1_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
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, 0, 0);
HAL_NVIC_EnableIRQ(USART1_IRQn);
/* USER CODE BEGIN USART1_MspInit 1 */
HAL_DMA_Init(uartHandle->hdmatx);
/* USER CODE END USART1_MspInit 1 */
}
}
@ -132,6 +152,9 @@ void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
*/
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9|GPIO_PIN_10);
/* USART1 DMA DeInit */
HAL_DMA_DeInit(uartHandle->hdmatx);
/* USART1 interrupt Deinit */
HAL_NVIC_DisableIRQ(USART1_IRQn);
/* USER CODE BEGIN USART1_MspDeInit 1 */
@ -141,5 +164,21 @@ void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
}
/* USER CODE BEGIN 1 */
#define SEND_COUNT 5
volatile uint32_t sendCount = 0;
uint8_t data = 16;
void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart)
{
if (huart->Instance == USART1)
{
sendCount++; // 每次传输完成增加计数
if (sendCount >= SEND_COUNT)
{
// 达到指定次数后停止传输
}
}
}
/* USER CODE END 1 */