20 FF FF FF 转义字符使用错误
0X20+结束符
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转义字符使用错误时返回此数据
转义字符有以下几种:
回车换行 : \r
引号:\”
反斜杠: \\
t0.txt="hello\rworld"
t0.txt="hello\"world"
t0.txt="hello\\world"
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在单片机上发送时,还需要对\再次转义
printf("t0.txt=\"hello\\\rworld\"")
printf("t0.txt=\"hello\\\"rworld\"")
printf("t0.txt=\"hello\\\\rworld\"")
相关链接