8000 serial.serialutil.SerialException: write failed: [Errno 5] Input/output error · Issue #781 · pyserial/pyserial · GitHub
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serial.serialutil.SerialException: write failed: [Errno 5] Input/output error #781

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Delubi2015 opened this issue Nov 14, 2024 · 0 comments
Open

serial.serialutil.SerialException: write failed: [Errno 5] Input/output error #781

Delubi2015 opened this issue Nov 14, 2024 · 0 comments

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@Delubi2015
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Hi Guys,

i am using :
pyserial 3.4 ,
ubuntu 20.05
/dev/ttyACM0

during write the binary data via interface ： write(data) api
the parameter of data i passed as : [Byte0, Byte1, Byte2, Byte3....]

i tested once i sent the data unit smaller than 1K , no error for that, but once i increased the unit data larger than 5K then this error happen,

want to check with your site : the output buffer whether have the threshold for the communication , i checked the "_reconfigure_port" for the buffer size code snippet like :
image

seemed that no place to configure the buffer for that.

Could u pls kindly go through for that , thanks ?

Best regards,
Philip
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