STM32F103CBT6 FreeRTOS， LED灯闪烁，串口中断接收,一个比较简单的FreeRTOS中断接收程序，上位机发送一组字符串，STM32返回相同的字符串-In STM32F103CBT6 FreeRTOS, LED light flicker, interrupt reception, a relatively simple FreeRTOS interrupt reception program, the PC sends a set of strings, STM32 ret