Christian Taedcke / Mbed 2 deprecated ObdDisplay

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   Adafruit_GFX MODSERIAL mbed-rtos mbed

EngineRpm.cpp

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

File content as of revision 6:506b703a8acf:

#include "EngineRpm.h"

const char EngineRpm::REQUEST_DATA[8] = {0x02, 0x01, 0x0C, 0, 0, 0, 0, 0};

EngineRpm::EngineRpm()
: PidValue("Engine RPM", "rpm")
{
}

bool EngineRpm::decode(const uint8_t* data, uint16_t length)
{
    if (length < 2)
    {
        return false;
    }
    
    if ((data[1] != 0x0C) || length != 4)
    {
        return false;
    }
    
    m_value = ((data[2] << 8) | data[3]) >> 2; //rpm
    return true;
}