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解决中断冲突

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lijie
2025-03-12 15:03:24 +08:00
parent 145dde360e
commit 84ad34d5f1
20 changed files with 164 additions and 116 deletions
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2
Core/Src/gpio.c
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@ -51,7 +51,7 @@ void MX_GPIO_Init(void)
/*Configure GPIO pin : PA0 */
GPIO_InitStruct.Pin = GPIO_PIN_0;
GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

2
Core/Src/main.c
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@ -89,8 +89,8 @@ int main(void)
MX_GPIO_Init();
MX_TIM5_Init();
MX_USART1_UART_Init();
MX_USART2_UART_Init();
MX_DMA_Init();
MX_USART2_UART_Init();
/* USER CODE BEGIN 2 */
mymain();
/* USER CODE END 2 */

2
Core/Src/stm32h7xx_hal_msp.c
View File

@ -68,6 +68,8 @@ void HAL_MspInit(void)
__HAL_RCC_SYSCFG_CLK_ENABLE();
HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_2);
/* System interrupt init*/
/* USER CODE BEGIN MspInit 1 */

12
Core/Src/usart.c
View File

@ -69,6 +69,7 @@ void MX_USART1_UART_Init(void)
}
/* USER CODE BEGIN USART1_Init 2 */
/* USER CODE END USART1_Init 2 */
}
@ -260,5 +261,14 @@ void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
}
/* USER CODE BEGIN 1 */
int _write (int fd, char *pBuffer, int size)
{
for (int i = 0; i < size; i++)
{
USART1->TDR = (unsigned char) *(pBuffer+i);
while((USART1->ISR & USART_ISR_TC) == 0)
{}
}
return size;
}
/* USER CODE END 1 */