Thanks, but for some reason I can't get this to work.
I am using a Mega 2560 editing the line below in a text editor.
const uint8_t PROGMEM tone_pin_to_timer_PGM[] = { 2 /*, 3, 4, 5, 1, 0 */ };
If it is set to anything but 2, I get no tones. I have tried them all.
What am I missing?