VOLVO Driver Distraction Display :)

Firmware for Arduino Due connected to car's CAN bus (both high-speed and low-speed) and a small 2.4" LCD display, which fills in an empty space on aftermarket 2DIN fascia.

See doc/ for more pics!

Features supported:

Reads out next sensors:

ECM - engine (in imperial and metric units)

• Boost
• Coolant temperature
• ATF temperature
• Intake air temperature
• Engine speed (RPM)
• Engine torque
• Battery voltage
• Fuel pump duty cycle
• Fuel rail pressure
• Short-term fuel trim (STFT)
• Long-term fuel trim (LTFT)
• Turbo control valve (TCV) duty
• Throttle plate angle
• Mass Air Flow (MAF) rate
• VVT angles, intake and exhaust
• Ignition timing (BTDC)
• Engine fan duty cycle
• Misfire counter

TCM - transmission

• Gear selector
• Current gear (calculated via solenoids state in valve body)
• Gear ratio
• SLT, SLS, SLU linear solenoids current
• S1-S5 solenoids state

DEM - Haldex/AWD

• All 4 wheels speed
• Haldex unit oil pressure and temperature
• Haldex unit solenoid and pump currents

CCM - climate

• A/C high port pressure
• A/C compressor duty
• Evaporator temperature
• Cabin temperature
• Blower motor duty

Controls

Steering wheel buttons (SWC)

• sends Kenwood remote codes

Touch-screen

• Raise/lower GPS navigation
• Power on/off original rear seat entertainment displays and select wireless audio channel (via separate controller, see https://github.com/vtl/volvo-rse)
• Reset service remainder indicator (SRI)
• Transmission adaptation
• Reset crash mode

Hardware used:

• Arduino Due
• DUECANshield V1.2 - prototyping shield with dual CAN bus ports
• 4D Systems uLCD-24PTU (+ programming cable)
• ULN2003A (Darlington array, level converter)
• 93C86 (EEPROM)