Hi.
Standard UART communication isn't very well suited
for IR comm at all. The possibility of a long sequence
of "0" or "1" without any level shift can mess up things
more or less depending on what type of receiver used.

Better to use "pulses" of different length to represent
"start", "one", "zero" and maybe "stop" bits. A kind
of PWM.

In one solution I made, I made the length of the
different pulses such as when measured with
a timer (zerod on the rising edge and read on the
falling edge) running at a specific speed, each type of
pulse was represented by a single bit in the timer.
Made the logic quite simple, just a single btfss or
btfsc to check what bit is was.

Regards
Jan-Erik.

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