Christian Taedcke / Mbed 2 deprecated ObdDisplay

Small project to display some OBD values from the Toyota GT86/ Subaru BRZ/ Scion FRS on an OLED display.

Dependencies:   Adafruit_GFX MODSERIAL mbed-rtos mbed

VehicleSpeed.cpp

Committer:
chrta
Date:
2014-05-01
Revision:
6:506b703a8acf
Parent:
5:0b229ba8ede5

File content as of revision 6:506b703a8acf:

#include "VehicleSpeed.h"

const char VehicleSpeed::REQUEST_DATA[8] = {0x02, 0x01, 0x0D, 0, 0, 0, 0, 0};

VehicleSpeed::VehicleSpeed()
: PidValue("Speed", "km/h")
{
}

bool VehicleSpeed::decode(const uint8_t* data, uint16_t length)
{
    if (length < 2)
    {
        return false;
    }
    
    if ((data[1] != 0x0D) || length != 3)
    {
        return false;
    }
    
    m_value = data[2]; // km/h
    return true;
}