用定时器获取数据效率很高

Core/Src/stm32f1xx_it.c

@@ -56,7 +56,7 @@
 /* USER CODE END 0 */
 
 /* External variables --------------------------------------------------------*/
-
+extern TIM_HandleTypeDef htim6;
 /* USER CODE BEGIN EV */
 
 /* USER CODE END EV */
@@ -199,6 +199,20 @@ void SysTick_Handler(void)
 /* please refer to the startup file (startup_stm32f1xx.s).                    */
 /******************************************************************************/
 
+/**
+  * @brief This function handles TIM6 global interrupt.
+  */
+void TIM6_IRQHandler(void)
+{
+  /* USER CODE BEGIN TIM6_IRQn 0 */
+
+  /* USER CODE END TIM6_IRQn 0 */
+  HAL_TIM_IRQHandler(&htim6);
+  /* USER CODE BEGIN TIM6_IRQn 1 */
+
+  /* USER CODE END TIM6_IRQn 1 */
+}
+
 /* USER CODE BEGIN 1 */
 
 /* USER CODE END 1 */