I ve never managed to get the Mega128 TWI (two wire interface, also called I2C) interface working totally satisfactorily. It seems to require some "magic numbers" I suspect it does some wierd clocking tricks which results in strange waveforms with certain settings. Just a suspicion, as I don t have a digital scope so I cannot verify anything. And it s possible that the STA013 is very picky about its I2C parameters, although I view this as less likely. Nonetheless the current TWI parameters do work reliably. I don t consider them optimal (I d like it faster) but if you want to play with the TWI interface, be warned, it s extremely easy to break it. Not an issue per-se just a warning.

Packet : 87361042mp3sources.zip filelist
backup.bat
fat32.s
frankasm.h
frankmp3.c
frankmp3.h
frankmp3.hex
fvhmp3c.h
ide.s
issues.txt
makefile
mp3init.c
mp3menus.c
mp3pc.c
mp3srial.c
queues.s
readme.txt
serial.s
sta-init.c

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