请问为什么我在调试串口的时候,TXBUF1已经赋值了,可是却没有发送到串口助手界面上,求会的朋友给下意见,具体情况如下图:
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是波特率的问题,我的主程序里把8m频率的时钟进行8分频了,在子程序里就按1m算的波特率,其实应该按照8m对吧,按8m后来就能收到数据了