mirror of https://github.com/g4klx/MMDVM.git
150 lines
4.3 KiB
C++
150 lines
4.3 KiB
C++
/*
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* Copyright (C) 2009-2015 by Jonathan Naylor G4KLX
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* Copyright (C) 2016 by Colin Durbridge G4EML
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "Config.h"
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#include "Globals.h"
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#include "CalDMR.h"
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const uint8_t DATALC_1K[] = {0x00U,
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0x00U, 0x20U, 0x08U, 0x08U, 0x02U, 0x38U, 0x15U, 0x00U, 0x2CU, 0xA0U, 0x14U,
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0x60U, 0x84U, 0x6DU, 0xFFU, 0x57U, 0xD7U, 0x5DU, 0xF5U, 0xDEU, 0x30U, 0x30U,
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0x01U, 0x10U, 0x01U, 0x40U, 0x03U, 0xC0U, 0x13U, 0xC1U, 0x1EU, 0x80U, 0x6FU};
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const uint8_t DATATERMLC_1K[] = {0x00U,
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0x00U, 0x4FU, 0x08U, 0xDCU, 0x02U, 0x88U, 0x15U, 0x78U, 0x2CU, 0xD0U, 0x14U,
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0xC0U, 0x84U, 0xADU, 0xFFU, 0x57U, 0xD7U, 0x5DU, 0xF5U, 0xD9U, 0x65U, 0x24U,
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0x02U, 0x28U, 0x06U, 0x20U, 0x0FU, 0x80U, 0x1BU, 0xC1U, 0x07U, 0x80U, 0x5CU};
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const uint8_t AMBE_1K[] = {0x00U,
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0xCEU, 0xA8U, 0xFEU, 0x83U, 0xACU, 0xC4U, 0x58U, 0x20U, 0x0AU, 0xCEU, 0xA8U,
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0xFEU, 0x83U, 0xA0U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x0CU, 0xC4U, 0x58U,
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0x20U, 0x0AU, 0xCEU, 0xA8U, 0xFEU, 0x83U, 0xACU, 0xC4U, 0x58U, 0x20U, 0x0AU};
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const uint8_t SYNCEMB_1K[6][7] = {
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{0x07U, 0x55U, 0xFDU, 0x7DU, 0xF7U, 0x5FU, 0x70U},
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{0x01U, 0x30U, 0x00U, 0x00U, 0x90U, 0x09U, 0x10U},
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{0x01U, 0x70U, 0x00U, 0x90U, 0x00U, 0x07U, 0x40U},
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{0x01U, 0x70U, 0x00U, 0x31U, 0x40U, 0x07U, 0x40U},
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{0x01U, 0x50U, 0xA1U, 0x71U, 0xD1U, 0x70U, 0x70U},
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{0x01U, 0x10U, 0x00U, 0x00U, 0x00U, 0x0EU, 0x20U},
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};
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const uint8_t SHORTLC_1K[] = {0x33U, 0x3AU, 0xA0U, 0x30U, 0x00U, 0x55U, 0xA6U, 0x5FU, 0x50U};
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CCalDMR::CCalDMR() :
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m_transmit(false),
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m_state(DMR1KCAL_IDLE),
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m_frame_start(0U),
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m_dmr1k(),
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m_rfN(0)
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{
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::memcpy(m_dmr1k, AMBE_1K, DMR_FRAME_LENGTH_BYTES + 1U);
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}
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void CCalDMR::process()
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{
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switch (m_modemState) {
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case STATE_DMRCAL:
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case STATE_LFCAL:
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if (m_transmit) {
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dmrTX.setCal(true);
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dmrTX.process();
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} else {
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dmrTX.setCal(false);
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}
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break;
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case STATE_DMR1KCAL:
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dmr1kcal();
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break;
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default:
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break;
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}
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}
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void CCalDMR::createData1k(uint8_t n)
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{
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for(uint8_t i = 0; i < 5U; i++)
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m_dmr1k[i + 15U] = SYNCEMB_1K[n][i + 1U];
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m_dmr1k[14U] &= 0xF0U;
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m_dmr1k[20U] &= 0x0FU;
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m_dmr1k[14U] |= SYNCEMB_1K[n][0] & 0x0FU;
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m_dmr1k[20U] |= SYNCEMB_1K[n][6] & 0xF0U;
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}
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void CCalDMR::dmr1kcal()
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{
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dmrTX.process();
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uint16_t space = dmrTX.getSpace2();
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if (space < 1U)
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return;
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switch (m_state) {
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case DMR1KCAL_IDLE:
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dmrTX.setStart(false);
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dmrTX.resetFifo2();
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m_rfN = 0U;
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break;
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case DMR1KCAL_DATALC:
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dmrTX.setColorCode(1U);
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dmrTX.writeShortLC(SHORTLC_1K, 9U);
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dmrTX.writeData2(DATALC_1K, DMR_FRAME_LENGTH_BYTES + 1U);
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dmrTX.setStart(true);
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m_state = DMR1KCAL_VOICE;
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break;
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case DMR1KCAL_VOICE:
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createData1k(m_rfN);
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dmrTX.writeData2(m_dmr1k, DMR_FRAME_LENGTH_BYTES + 1U);
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if(m_rfN == 5U) {
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m_rfN = 0U;
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if(!m_transmit)
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m_state = DMR1KCAL_TERMLC;
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} else
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m_rfN++;
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break;
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case DMR1KCAL_TERMLC:
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dmrTX.writeData2(DATATERMLC_1K, DMR_FRAME_LENGTH_BYTES + 1U);
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m_frame_start = dmrTX.getFrameCount();
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m_state = DMR1KCAL_WAIT;
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break;
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case DMR1KCAL_WAIT:
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if (dmrTX.getFrameCount() > (m_frame_start + 30U))
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m_state = DMR1KCAL_IDLE;
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break;
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default:
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m_state = DMR1KCAL_IDLE;
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break;
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}
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}
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uint8_t CCalDMR::write(const uint8_t* data, uint8_t length)
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{
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if (length != 1U)
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return 4U;
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m_transmit = data[0U] == 1U;
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if(m_transmit && m_state == DMR1KCAL_IDLE && m_modemState == STATE_DMR1KCAL)
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m_state = DMR1KCAL_DATALC;
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return 0U;
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}
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