FreeRTOS之软件定时器学习

声明：本人按照正点原子的FreeRTOS例程进行学习的，欢迎各位大佬指责和批评，谢谢！#include "sys.h"#include "delay.h"#include "usart.h"#include "led.h"#include "timer.h"#include "lcd.h"#include "key.h"#include "beep.h"#include "string.h"#include "malloc.h"#include "FreeRTOS.h"#inc