Nico Bollen / LIN

Dependents:   MBED_LIN_RGB_Master_Example

LinMaster.cpp

Committer:
bollenn
Date:
2014-05-06
Revision:
1:58b5d1e8fae3
Parent:
0:c91a9ebab739
Child:
2:6d4c7f841a5d

File content as of revision 1:58b5d1e8fae3:

/* 
 * Master device LIN communication library for mbed
 *
 * Copyright (C) 2014 TASS Belgium NV
 * 
 * Released under GPL v2
 *
 * Other licensing models might apply at the sole discretion of the copyright holders.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
 * and associated documentation files (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or
 * substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
#include "LinMaster.h"

LinMaster::LinMaster(PinName Pin)
{
    MyPin        = Pin;
    u8BreakLen   = 20;
    u8DelimLen   = 4;
    (void)Baudrate(9600);
}

LinMaster::~LinMaster()
{
    
}

bool LinMaster::Init(void)
{
    DigitalInOut LinPin(MyPin);
    LinPin.output();
    LinPin.write(1);
    
    return ( true );
}

bool LinMaster::Baudrate(uint16_t uBaud)
{
    bool blReturn = false;
    
    if ((uBaud > 0) && (uBaud <= 20000))
    {
        u16BitPeriod = 1000000/uBaud;
        blReturn = true;
    }
    
    return ( blReturn );
}

uint16_t LinMaster::Baudrate(void)
{
    return ( 1000000/u16BitPeriod );
}

bool LinMaster::SendFrame(FrameDir Dir, uint8_t u8ID, uint8_t* ptrData, uint8_t u8Len)
{
    DigitalInOut LinPin(MyPin);
    LinPin.output();
    LinPin.write(1);
    
    wait_us(u16BitPeriod);
    
    return ( true );
}

/* EOF */