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Pc端波特率给错了,波特率给低了,然后恢复正常,发现dsp的串口只能发送,无法接收,复位后恢复正常,后实验发现波特率给高了,硬件能检测到异常,给低了,硬件检测不到异常且无法接收到正常的数据,接收长度一直为0
后实验发现波特率给高了,硬件能检测到异常,
具体是通过哪些接收异常状态位来判断的?
另外F28377上的SCI模块支持自动波特率检测,请查看TRM第2163页18.13.2 SCI Auto-Baud: