I've discussed with Samuel and he suggested using a proper interface
provided by the kernel to access serial ports and make speakup use that
instead of direct port poking.
the I/O operations are factorized into the functions
- spk_serial_synth_probe
- spk_serial_out
- spk_synth_immediate
I'll be adding equivalents of these functions that will use proper kernel
APIs and then test them. I should add a serial_out method instead of
spk_serial_out in serialio.c
How to properly open a serial port and write to it? What essentially would
be the difference between these functions?
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