浅析STM32 HAL库的HAL_Delay()

一、实现原理以下代码摘自cubeMX自动生成的部分/*STM32f1xx_it.c*///systick中断函数void SysTick_Handler(void){  /* USER CODE BEGIN SysTick_IRQn 0 */  /* USER CODE END SysTick_IRQn 0 */  HAL_IncTick();  /* USER CODE BEGIN SysTick_IRQn 1 */  /* USER CODE END SysTick_IRQ