This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
关于这个帖子的问题，发现其实不是上电不运行，上电正常运行到while(1)，里面也正常运行，其实是串口A不发送，需要串口B收发之后，串口A 才正常发送
