To get started on hacking the firmware, you will need some software first. See FirmWareDevelopment for install instructions.
See the MicroProcessor page for a list of inputs/output ports.
Here is a list of important functions and macros that you need to know to understand what is happening with the firmware:
Function | Description | Arguments |
---|---|---|
cbi | Clear Bit at Port | port #, bit # |
sbi | Set Bit at Port | port #, bit # |
cli | Turn Off Interupts | |
sei | Turn On Interupts |
CategoryFirmware