MMDVM/CalPOCSAG.cpp

56 lines
1.3 KiB
C++

/*
* Copyright (C) 2019 by Florian Wolters DF2ET
* Copyright (C) 2020 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "Config.h"
#if defined(MODE_POCSAG)
#include "Globals.h"
#include "CalPOCSAG.h"
CCalPOCSAG::CCalPOCSAG() :
m_state(POCSAGCAL_IDLE)
{
}
void CCalPOCSAG::process()
{
if (m_state == POCSAGCAL_IDLE)
return;
uint16_t space = io.getSpace();
if (space <= 165U)
return;
pocsagTX.writeByte(0xAAU);
}
uint8_t CCalPOCSAG::write(const uint8_t* data, uint16_t length)
{
if (length != 1U)
return 4U;
m_state = data[0U] == 1U ? POCSAGCAL_TX : POCSAGCAL_IDLE;
return 0U;
}
#endif