Ignore files generated by the make process
Add firmware template
Add GPIO module to template
Update file headers
Disable interrupts during MIDI ISR
Add MIDI NOTE OFF commands to midi receiver
Reorganize includes
Use correct chip definition in Makefile
Fix bit mask macros in gpio.c
Fix gpio definitions
Slow down watchdog to 120ms
Respect 2X setting in USART configuration
Implement program change transmit procedure
Implement MIDI CC transmission procedure
Implement stupid ADC to MIDI PC functionality
Implement 1ms timer interrupt