MMDVM/DMRRX.cpp

79 lines
2.0 KiB
C++

/*
* Copyright (C) 2009-2015 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"
#include "Globals.h"
#include "DMRRX.h"
CDMRRX::CDMRRX() :
m_slot1RX(false),
m_slot2RX(true),
m_slotNo(0U),
m_dcd1(false),
m_dcd2(false)
{
}
void CDMRRX::samples(const q15_t* samples, const uint8_t* control, uint8_t length)
{
for (uint16_t i = 0U; i < length; i++) {
if (control[i] == MARK_SLOT1 && m_slotNo != 1U) {
m_slot2RX.stop();
m_slot1RX.start();
m_slotNo = 1U;
} else if (control[i] == MARK_SLOT2 && m_slotNo != 2U) {
m_slot1RX.stop();
m_slot2RX.start();
m_slotNo = 2U;
} else if (control[i] == MARK_END && m_slotNo != 0U) {
if (m_slotNo == 1U)
m_slot1RX.stop();
if (m_slotNo == 2U)
m_slot2RX.stop();
m_slotNo = 0U;
}
switch (m_slotNo) {
case 1U:
m_dcd1 = m_slot1RX.processSample(samples[i]);
break;
case 2U:
m_dcd2 = m_slot2RX.processSample(samples[i]);
break;
default:
break;
}
}
io.setDecode(m_dcd1 || m_dcd2);
}
void CDMRRX::setColorCode(uint8_t colorCode)
{
m_slot1RX.setColorCode(colorCode);
m_slot2RX.setColorCode(colorCode);
}
void CDMRRX::reset()
{
m_slot1RX.reset();
m_slot2RX.reset();
m_slotNo = 0U;
}