SerialWombatIRTx.h

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#pragma once
#include "Stream.h"
#include "SerialWombat.h"
 
/*
Copyright 2026 Broadwell Consulting Inc.
 
"Serial Wombat" is a registered trademark of Broadwell Consulting Inc. in
the United States.  See SerialWombat.com for usage guidance.
 
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.
*/

 
class SerialWombatIRTx :
    public Stream, public SerialWombatPin
{
public:
    SerialWombatIRTx(SerialWombatChip& serialWombat):SerialWombatPin(serialWombat){}
   

    int16_t begin( uint8_t pin, uint16_t address , uint8_t irMode = 0) 
    {
        (void) irMode;
        _pin = pin;
            _pinMode = PIN_MODE_IRTX;
        _address = address;
        uint8_t tx[8] = { 200, _pin,_pinMode, 0,0x55,0x55,0x55, 0x55 };
        uint8_t rx[8];
        return _sw.sendPacket(tx, rx);
 
    }
 
    int16_t enableSW8b38KHzWP6()
{
        uint8_t tx[8] = { 220, _pin,_pinMode,0x55,0x55,0x55, 0x55,0x55 };
        uint8_t rx[8];
        return _sw.sendPacket(tx, rx);
 
}

    int sendMessage(uint8_t command, int32_t address = -1, uint8_t repeat = 0)
{
    uint8_t peektx[8] = { 203, _pin,_pinMode,0x55,0x55,0x55,0x55,0x55 };
    uint8_t peekrx[8];
    _sw.sendPacket(peektx, peekrx);
    if (address >= 0)
    {
    _address = (uint16_t)address;
    }
 
    if (peekrx[3] >= 4)
    {
 
        uint8_t tx[8] = { 201, _pin,_pinMode,4,(uint8_t)(_address &0xFF),(uint8_t)(_address >>8),command,repeat };  
        uint8_t rx[8];
        _sw.sendPacket(tx,rx);
        return (1);
    }
    else
    {
        return -1;
    }
}

    virtual int available()
{
    return(0);
}

    virtual int read()
{
        return -1;
}

    virtual void flush()
{
}

    virtual int peek()
{
        return (-1);
}

    virtual size_t write(uint8_t data)
{
    if (sendMessage(data) > 0)
    {
        return (1);
    }
    else
    {
        return 0;
    }
}

    virtual size_t write(const uint8_t* buffer, size_t size)
{
    size_t bytesSent;
    
    for (bytesSent = 0; bytesSent  < size ;)
    {
        size_t result = write(buffer[bytesSent]);
        if (result < 1)
        {
            return (bytesSent);
        }
 
    }
    return (bytesSent);
}

    virtual int availableForWrite()
{
    uint8_t peektx[8] = { 203, _pin,_pinMode,0x55,0x55,0x55,0x55,0x55 };
    uint8_t peekrx[8];
    _sw.sendPacket(peektx, peekrx);
    return peekrx[3];
}

    virtual size_t readBytes(char* buffer, size_t length)
{
    (void) buffer;
    (void) length;
    return (0);
}
 

    virtual void setTimeout(long timeout_mS)
{
    (void) timeout_mS;
}
protected:
    uint16_t _address;
};