I am pretty sure that Richard is absolutely correct about MiBAM interrupts. Since they run all the time, surely will mess with other tasks. Maybe your scope did not trigger on the proper time.
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Generated serial data is perfect (checked with scope), and my scope, in logic analyzer mode, easily and properly decodes data sent by 1936. Also, I've generated couple of PAUSE and...
And there is the answer, software timed serial reception and transmission will be mangled by the mibam interrupt
Proof yet again of the total worthlessness of snippets
Both 1K and 22K are actually suggested in PBP manual.
So I tried both, I tried 100 ohm resistor, I tried direct connection. No practical difference - actual "junk" bytes are getting different, but...
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Re: Can't reliably transfer over serial connection between two PICs
So since I can't get rid of MIBAM (it is essential) this means that I have to use that software protocol provided by AI?
CuriousOne Today, 13:56