Changes are: - Remove the LED_Pxxx definitions from pins.csv, now that the LED class is gone. - Remove the '-' lines. - Add default lines for USB and SWCLK, SWDIO.
Defining all pins from the external 40 Pin connector, and some internal pins like the one for SD and LCD.
The files pins.c and pins.h are generated during the build process from pins.csv, using a make-pins.py script.