reprappro/Firmware — pull request #1 by malx122 (2012-01-11 03:48:27+00:00)
Title: A couple of changes 

1. Support for using the LED for status:
on = running idle
slow blinking = hotend active
fast blinking = error (right now only hotend thermistor failure)

2. Status support. (not totally finished)
Now it will abort a SD-print if thermistor fails, not just turn off the heater as before.
A normal print will not be aborted if the software doesn't supoprt it. This is because with changes in software a PC print could pause on failure, let the user fix it and then resume.

3. Support for using the second UART (For bluetooth as example). The switch is automatically (only one can be connected at the same time)

4. Support for 1284p (just choose in the makefile)