Driver Controls

Driver Control Board Software

The main functionality of the Driver Control board is to forward the inputs from the various buttons & pedals of the Solar Car and forward the signals to the other systems.

The Driver Controls will send CAN messages according to the Epsilon Communications Protocol.

Physical Inputs:

Digital Signals

• Push-To-Talk Button

• Horn Button

• Reset Button

• Lap Button

• Mechanical Brake Switch

• Left Signal Switch

• Right Signal Switch

Analog Signals

• Regenerative Braking Pedal

• Acceleration Pedal

Unused Signals

• Volume Up Button

• Volume Down Button

• Next Song Button

• Previous Song Buttons

CAN Inputs

CAN Address	Name	Purpose
0x721	Aux Status	Monitor the charge contactor and disable regen braking if it is off

CAN Outputs

All reported messages will go to the CCS & be seen by the Car Telemetry. See protocol for more information.

CAN Address	Name	Purpose
0x700	Heartbeat	Report that board is active
0x701	Lights Input	Report Status of Lights Inputs - The Lights Board will activate the appropriate lights
0x702	Music Inputs	Report Status of Music Inputs (Unused)
0x703	Driver Inputs	Report Driver Inputs Aux BMS will respond to the forward/reverse/aux messages (See the Aux BMS documentation for more info) CCS will activate the horn
0x501	Motor Drive	Sends the Motor Current & Velocity to control the Motor Controllers
0x502	Motor Power	Set the desired set point of the current from the bus by the Motor (Set to 100%)

LED Outputs

LED/ Action	Purpose
Blue / Flashing	Messages are being sent to drive the car forward
Green / Flashing	Messages are being sent to drive the car backward
Red / Flashing	Driver Controls is sending CAN messages