I suppose your "complicated reason" for not using Device::SerialPort is that you would need to cross-compile the XS part to ARM. I'm not sure why XS is used here but I suspect it may be about signal handling or some timing issue. I haven't tried this in Perl but it looks fairly straightforward.

In reply to Re: Open serial port without Device::SerialPort by Anonymous Monk
in thread Open serial port without Device::SerialPort by ThomasBrouwer

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