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fopen(COM3): Failed to open stream: Permission denied

1

On Windows Error fopen(COM3): Failed to open stream: Permission denied, how to resolved this problem, thanks

yahyaefendy

Hi Thierry, I needed to read serial port, but without waiting for incoming data. So, I suggest to use select_stream so the read function return false if there is no...

Adesin-fr

I have use this code to read from arduino device, and its doing great job. But I have problem to read HEX input.

hairilfaiz86