Comments (6)
DeqingSun
commented on July 20, 2024
Did you try the UsbSerialAdaptor example?
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wukongxuetang
commented on July 20, 2024
Just have a try used the UsbSerialAdaptor example,PL2303 can received USB CDC send message,but usb cdc couldn't received pl2303's?
arduino 1.8.13 win10 x64
看到您回复就进行了测试,烧录后串口设备里可以看到板子的串口信息,用其他串口设备连接进行互发测试,板子的虚拟串口发送的信息,pl2303可以收到,pl2303发送的信息,串口工具中没有反馈?
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wukongxuetang
commented on July 20, 2024
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DeqingSun
commented on July 20, 2024
Can not reproduce the error with CH552 and PL2303. Double check if you connection. P30 is RX and P31 is TX.
Also try to use a jumper to connect P30 an P31 and see if the Ch552 and do an echo test.
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wukongxuetang
commented on July 20, 2024
used a jumper to connect P30 an P31 ,but not found an echo test,I think there's something wrong with my board
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wukongxuetang
commented on July 20, 2024
I found the reason about error,Please use DTR when test,Thanks
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