Here is a list of all files with brief descriptions:

ADC.c
ADC.h
Battery.c
Battery.h
BPW21.c
BPW21.h
CD4051.c
CD4051.h
Directional_Nav.c
DRV8830.c	DRV8830.c
DRV8830.h	A documented header file for DRV8830.c Created: 11/8/2014 3:54:57 PM Author: Toshiba
I2C_H-bridge.c
LSM303DLHC.c
LSM303DLHC.h
MPX53GP.c
MPX53GP.h
Test_Battery.c
Test_I2C_Compass.c
Test_I2C_H-Bridge.c
Test_LED.c
Test_Mux.c
Test_Photodiodes.c
Test_Pressure_Sensor.c
Timer.c
Timer.h
TWI_Interface.c
TWI_Interface.h
TWI_Master.c
TWI_Master.h
USART.c
USART.h
Velocity.c
Velocity.h
XPEBBL.c
XPEBBL.h