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ref.cpp
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/*
Copyright (C) 2019-2021 Doug McLain
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 3 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, see <https://www.gnu.org/licenses/>.
*/
#include <iostream>
#include <cstring>
#include "ref.h"
#include "CRCenc.h"
const uint8_t MMDVM_DSTAR_HEADER = 0x10U;
const uint8_t MMDVM_DSTAR_DATA = 0x11U;
const uint8_t MMDVM_DSTAR_LOST = 0x12U;
const uint8_t MMDVM_DSTAR_EOT = 0x13U;
REF::REF()
{
m_mode = "REF";
m_attenuation = 5;
m_debug = true;
// m_audio = new AudioEngine(m_audioin, m_audioout);
// m_audio->init();
// m_audio->start_playback();
}
REF::~REF()
{
// m_audio->stop_playback();
// delete m_audio;
}
void REF::process_udp()
{
QByteArray buf;
QByteArray out;
QHostAddress sender;
quint16 senderPort;
static bool sd_sync = 0;
static int sd_txt_seq = 0;
static int sd_gps_cnt = 0;
static int sd_hdr_cnt = 0;
// static int sd_debug_cnt = 0;
static char user_data[21];
static QByteArray gps_data;
// static uint8_t debug_data[64];
const uint8_t header[5] = {0x80,0x44,0x53,0x56,0x54};
buf.resize(m_udp->pendingDatagramSize());
m_udp->readDatagram(buf.data(), buf.size(), &sender, &senderPort);
if (m_debug)
{
QDebug debug = qDebug();
debug.noquote();
QString s = "RECV:";
for (int i = 0; i < buf.size(); ++i)
{
s += " " + QString("%1").arg((uint8_t)buf.data()[i], 2, 16, QChar('0'));
}
debug << s;
emit update_log(s);
}
if ((buf.size() == 5) && (buf.data()[0] == 5))
{
int x = (::rand() % (999999 - 7245 + 1)) + 7245;
QString serial = "HS" + QString("%1").arg(x, 6, 10, QChar('0'));
out.append(0x1c);
out.append(0xc0);
out.append(0x04);
out.append('\x00');
out.append(m_modeinfo.callsign.toUpper().toLocal8Bit().data(), 6);
out.append(10,'\x00');
out.append(serial.toUtf8());
m_udp->writeDatagram(out, m_address, 20001);
}
if (buf.size() == 3)
{ //2 way keep alive ping
m_modeinfo.count++;
if ((m_modeinfo.stream_state == STREAM_LOST) || (m_modeinfo.stream_state == STREAM_END))
{
m_modeinfo.stream_state = STREAM_IDLE;
}
emit update(m_modeinfo);
}
if (m_debug && out.size() > 0)
{
QDebug debug = qDebug();
debug.noquote();
QString s = "RECV:";
for (int i = 0; i < out.size(); ++i)
{
s += " " + QString("%1").arg((uint8_t)out.data()[i], 2, 16, QChar('0'));
}
debug << s;
emit update_log(s);
}
if ((m_modeinfo.status == CONNECTING) && (buf.size() == 0x08))
{
if ((memcmp(&buf.data()[4], "OKRW", 4) == 0) || (memcmp(&buf.data()[4], "OKRO", 4) == 0) || (memcmp(&buf.data()[4], "BUSY", 4) == 0))
{
m_modeinfo.sw_vocoder_loaded = load_vocoder_plugin();
m_rxtimer = new QTimer();
connect(m_rxtimer, SIGNAL(timeout()), this, SLOT(process_rx_data()));
m_txtimer = new QTimer();
connect(m_txtimer, SIGNAL(timeout()), this, SLOT(transmit()));
m_ping_timer = new QTimer();
connect(m_ping_timer, SIGNAL(timeout()), this, SLOT(send_ping()));
m_ping_timer->start(1000);
// m_audio = new AudioEngine(m_audioin, m_audioout);
// m_audio->init();
if (buf.data()[7] == 0x57)
{ //OKRW
m_modeinfo.status = CONNECTED_RW;
//memset(m_rptr2, ' ', 8);
//memcpy(rptr2, hostname.toLocal8Bit(), hostname.size());
//rptr2[7] = module;
//rptr2[8] = 0;
//m_ping_timer->start(1000);
}
else
if (buf.data()[7] == 0x4f)
{ //OKRO -- Go get registered!
m_modeinfo.status = CONNECTED_RW;
}
}
else
if ((buf.data()[4] == 0x46) && (buf.data()[5] == 0x41) && (buf.data()[6] == 0x49) && (buf.data()[7] == 0x4c))
{ // FAIL response
m_modeinfo.status = DISCONNECTED;
}
else
{ //Unknown response
m_modeinfo.status = DISCONNECTED;
}
emit update(m_modeinfo);
}
if (m_modeinfo.status != CONNECTED_RW) return;
if ((buf.size() == 0x3a) && (!memcmp(buf.data()+1, header, 5)))
{
char temp[9];
memcpy(temp, buf.data() + 20, 8); temp[8] = '\0';
QString rptr2 = QString(temp);
memcpy(temp, buf.data() + 28, 8); temp[8] = '\0';
QString rptr1 = QString(temp);
memcpy(temp, buf.data() + 36, 8); temp[8] = '\0';
QString urcall = QString(temp);
memcpy(temp, buf.data() + 44, 8); temp[8] = '\0';
QString mycall = QString(temp);
QString h = m_refname + " " + m_module;
if ((rptr2.simplified() == h.simplified()) || (rptr1.simplified() == h.simplified()))
{
m_rxwatchdog = 0;
const uint16_t streamid = (buf.data()[14] << 8) | (buf.data()[15] & 0xff);
m_modeinfo.src = mycall;
m_modeinfo.dst = urcall;
m_modeinfo.gw = rptr1;
m_modeinfo.gw2 = rptr2;
if (!m_tx && !m_rxtimer->isActive() && (m_modeinfo.streamid == 0))
{
// m_audio->start_playback();
m_rxtimer->start(m_rxtimerint);
m_rxcodecq.clear();
m_modeinfo.stream_state = STREAM_NEW;
m_modeinfo.streamid = streamid;
if (m_modem)
{
uint8_t out[44];
out[0] = 0xe0;
out[1] = 44;
out[2] = MMDVM_DSTAR_HEADER;
out[3] = 0x40;
out[4] = 0;
out[5] = 0;
memcpy(out + 6, rptr2.toLocal8Bit().data(), 8);
memcpy(out + 14, rptr1.toLocal8Bit().data(), 8);
memcpy(out + 22, urcall.toLocal8Bit().data(), 8);
memcpy(out + 30, mycall.toLocal8Bit().data(), 8);
memcpy(out + 38, buf.data() + 52, 4);
CCRC::addCCITT161((uint8_t *)out + 3, 41);
for (int i = 0; i < 44; ++i)
{
m_rxmodemq.append(out[i]);
}
//m_modem->write(out);
}
emit update_log(QString("New stream from [%1] to [%2] id = %3").arg(m_modeinfo.src).arg(m_modeinfo.dst).arg(QString::number(m_modeinfo.streamid, 16)));
emit update(m_modeinfo);
sd_gps_cnt = 0;
gps_data.clear();
}
}
else
{
//streamid = 0;
}
}
if ((buf.size() == 0x1d) && (!memcmp(buf.data()+1, header, 5)) )
{ //29
const uint16_t streamid = (buf.data()[14] << 8) | (buf.data()[15] & 0xff);
if (streamid != m_modeinfo.streamid)
{
return;
}
m_rxwatchdog = 0;
m_modeinfo.stream_state = STREAMING;
m_modeinfo.frame_number = (uint8_t)buf.data()[16];
if (m_modem)
{
m_rxmodemq.append(0xe0);
m_rxmodemq.append(15);
m_rxmodemq.append(MMDVM_DSTAR_DATA);
for (int i = 0; i < 12; ++i)
{
m_rxmodemq.append(buf.data()[17+i]);
}
}
if ((buf.data()[16] == 0) && (buf.data()[26] == 0x55) && (buf.data()[27] == 0x2d) && (buf.data()[28] == 0x16))
{
sd_sync = 1;
sd_txt_seq = 1;
//sd_debug_cnt = 0;
//for(int i = 0; i < 63; i++){
// fprintf(stderr, "%02x ", debug_data[i]);
//}
// fprintf(stderr, "\n");
}
//debug_data[sd_debug_cnt++] = buf.data()[26] ^ 0x70;
//debug_data[sd_debug_cnt++] = buf.data()[27] ^ 0x4f;
//debug_data[sd_debug_cnt++] = buf.data()[28] ^ 0x93;
char c = buf.data()[26] ^ 0x70;
if ( sd_sync && !sd_gps_cnt && ((c & 0xf0) == 0x50))
{
sd_hdr_cnt = (c & 0x0f);
}
else
if (sd_hdr_cnt)
{
c = 0;
sd_hdr_cnt = 0;
}
if (sd_sync && !sd_gps_cnt && ((c & 0xf0) == 0x30))
{
sd_gps_cnt = (c & 0x0f);
c = buf.data()[27] ^ 0x4f;
if ((c == 0x0a) || (c == 0x0d))
{
gps_data.append('\0');
sd_gps_cnt = 0;
QTextStream(stderr) << "GPS: " << QString(gps_data) << Qt::endl;
if (gps_data[0] == '$') emit update_log("GPS: " + QString(gps_data));
gps_data.clear();
}
else
{
sd_gps_cnt--;
gps_data.append(c);
c = buf.data()[28] ^ 0x93;
if ((c == 0x0a) || (c == 0x0d))
{
gps_data.append('\0');
sd_gps_cnt = 0;
QTextStream(stderr) << "GPS: " << QString(gps_data) << Qt::endl;
if (gps_data[0] == '$') emit update_log("GPS: " + QString(gps_data));
gps_data.clear();
}
else
{
sd_gps_cnt--;
gps_data.append(c);
}
}
}
else
if (sd_gps_cnt && (buf.data()[16] != 0))
{
if ((c == 0x0a) || (c == 0x0d))
{
gps_data.append('\0');
sd_gps_cnt = 0;
QTextStream(stderr) << "GPS: " << QString(gps_data) << Qt::endl;
if (gps_data[0] == '$') emit update_log("GPS: " + QString(gps_data));
gps_data.clear();
}
else
{
gps_data.append(c);
c = buf.data()[27] ^ 0x4f;
if ((c == 0x0a) || (c == 0x0d))
{
gps_data.append('\0');
sd_gps_cnt = 0;
QTextStream(stderr) << "GPS: " << QString(gps_data) << Qt::endl;
if (gps_data[0] == '$') emit update_log("GPS: " + QString(gps_data));
gps_data.clear();
}
else
{
gps_data.append(c);
c = buf.data()[28] ^ 0x93;
if ((c == 0x0a) || (c == 0x0d))
{
gps_data.append('\0');
sd_gps_cnt = 0;
QTextStream(stderr) << "GPS: " << QString(gps_data) << Qt::endl;
if (gps_data[0] == '$') emit update_log("GPS: " + QString(gps_data));
gps_data.clear();
}
else
{
gps_data.append(c);
}
}
}
sd_gps_cnt = 0;
}
if (sd_sync && (sd_txt_seq == 1) && (buf.data()[16] == 1) && (buf.data()[26] == 0x30))
{
user_data[0] = buf.data()[27] ^ 0x4f;
user_data[1] = buf.data()[28] ^ 0x93;
++sd_txt_seq;
}
if (sd_sync && (sd_txt_seq == 2) && (buf.data()[16] == 2))
{
user_data[2] = buf.data()[26] ^ 0x70;
user_data[3] = buf.data()[27] ^ 0x4f;
user_data[4] = buf.data()[28] ^ 0x93;
++sd_txt_seq;
}
if (sd_sync && (sd_txt_seq == 3) && ((buf.data()[16] == 3) || (buf.data()[16] == 5)) && (buf.data()[26] == 0x31))
{
user_data[5] = buf.data()[27] ^ 0x4f;
user_data[6] = buf.data()[28] ^ 0x93;
++sd_txt_seq;
}
if (sd_sync && (sd_txt_seq == 4) && ((buf.data()[16] == 4) || (buf.data()[16] == 6)))
{
user_data[7] = buf.data()[26] ^ 0x70;
user_data[8] = buf.data()[27] ^ 0x4f;
user_data[9] = buf.data()[28] ^ 0x93;
++sd_txt_seq;
}
if (sd_sync && (sd_txt_seq == 5) && ((buf.data()[16] == 5) || (buf.data()[16] == 9)) && (buf.data()[26] == 0x32))
{
user_data[10] = buf.data()[27] ^ 0x4f;
user_data[11] = buf.data()[28] ^ 0x93;
++sd_txt_seq;
}
if (sd_sync && (sd_txt_seq == 6) && ((buf.data()[16] == 6) || (buf.data()[16] == 10)))
{
user_data[12] = buf.data()[26] ^ 0x70;
user_data[13] = buf.data()[27] ^ 0x4f;
user_data[14] = buf.data()[28] ^ 0x93;
++sd_txt_seq;
}
if (sd_sync && (sd_txt_seq == 7) && ((buf.data()[16] == 7) || (buf.data()[16] == 13)) && (buf.data()[26] == 0x33))
{
user_data[15] = buf.data()[27] ^ 0x4f;
user_data[16] = buf.data()[28] ^ 0x93;
++sd_txt_seq;
}
if (sd_sync && (sd_txt_seq == 8) && ((buf.data()[16] == 8) || (buf.data()[16] == 14)))
{
user_data[17] = buf.data()[26] ^ 0x70;
user_data[18] = buf.data()[27] ^ 0x4f;
user_data[19] = buf.data()[28] ^ 0x93;
user_data[20] = '\0';
sd_txt_seq = 0;
m_modeinfo.usertxt = QString(user_data);
}
for (int i = 0; i < 9; ++i)
{
m_rxcodecq.append(buf.data()[17+i]);
}
emit update(m_modeinfo);
}
if (buf.size() == 0x20)
{ //32
const uint16_t streamid = (buf.data()[14] << 8) | (buf.data()[15] & 0xff);
if (streamid == m_modeinfo.streamid)
{
if (m_modem)
{
m_rxmodemq.append(0xe0);
m_rxmodemq.append(3);
m_rxmodemq.append(MMDVM_DSTAR_EOT);
}
m_modeinfo.usertxt.clear();
emit update_log("REF RX stream ended");
m_rxwatchdog = 0;
m_modeinfo.stream_state = STREAM_END;
m_modeinfo.ts = QDateTime::currentMSecsSinceEpoch();
emit update(m_modeinfo);
m_modeinfo.streamid = 0;
sd_sync = 0;
sd_gps_cnt = 0;
}
}
//emit update(m_modeinfo);
}
void REF::hostname_lookup(QHostInfo i)
{
if (!i.addresses().isEmpty())
{
QByteArray out;
out.append(0x05);
out.append('\x00');
out.append(0x18);
out.append('\x00');
out.append(0x01);
m_address = i.addresses().first();
m_udp = new QUdpSocket(this);
connect(m_udp, SIGNAL(readyRead()), this, SLOT(process_udp()));
m_udp->writeDatagram(out, m_address, m_modeinfo.port);
if (m_debug)
{
QDebug debug = qDebug();
debug.noquote();
QString s = "CONN:";
for (int i = 0; i < out.size(); ++i)
{
s += " " + QString("%1").arg((uint8_t)out.data()[i], 2, 16, QChar('0'));
}
debug << s;
emit update_log(s);
}
}
}
void REF::send_ping()
{
QByteArray out;
out.append(0x03);
out.append(0x60);
out.append('\x00');
m_udp->writeDatagram(out, m_address, m_modeinfo.port);
if (m_debug)
{
QDebug debug = qDebug();
debug.noquote();
QString s = "PING:";
for (int i = 0; i < out.size(); ++i)
{
s += " " + QString("%1").arg((uint8_t)out.data()[i], 2, 16, QChar('0'));
}
debug << s;
emit update_log(s);
}
}
void REF::send_disconnect()
{
QByteArray out;
out.append(0x05);
out.append('\x00');
out.append(0x18);
out.append('\x00');
out.append('\x00');
m_udp->writeDatagram(out, m_address, m_modeinfo.port);
if (m_debug)
{
QDebug debug = qDebug();
debug.noquote();
QString s = "DISC:";
for (int i = 0; i < out.size(); ++i)
{
s += " " + QString("%1").arg((uint8_t)out.data()[i], 2, 16, QChar('0'));
}
debug << s;
emit update_log(s);
}
}
void REF::format_callsign(QString &s)
{
QStringList l = s.simplified().split(' ');
if (l.size() > 1)
{
s = l.at(0).simplified();
while (s.size() < 7)
{
s.append(' ');
}
s += l.at(1).simplified();
}
else
{
while (s.size() < 8)
{
s.append(' ');
}
}
}
void REF::process_modem_data(QByteArray d)
{
QByteArray txdata;
char cs[9];
uint8_t ambe[9];
uint8_t *p_frame = (uint8_t *)(d.data());
if (p_frame[2] == MMDVM_DSTAR_HEADER)
{
format_callsign(m_txrptr1);
format_callsign(m_txrptr2);
cs[8] = 0;
memcpy(cs, p_frame + 22, 8);
m_txurcall = QString(cs);
memcpy(cs, p_frame + 30, 8);
m_txmycall = QString(cs);
m_modeinfo.stream_state = TRANSMITTING_MODEM;
m_tx = true;
}
else if ((p_frame[2] == MMDVM_DSTAR_EOT) || (p_frame[2] == MMDVM_DSTAR_LOST))
{
m_tx = false;
}
else if (p_frame[2] == MMDVM_DSTAR_DATA)
{
memcpy(ambe, p_frame + 3, 9);
}
send_frame(ambe);
}
void REF::toggle_tx(bool tx)
{
tx ? start_tx() : stop_tx();
}
void REF::start_tx()
{
format_callsign(m_txmycall);
format_callsign(m_txurcall);
format_callsign(m_txrptr1);
format_callsign(m_txrptr2);
Mode::start_tx();
}
void REF::transmit()
{
uint8_t ambe[9];
int16_t pcm[160];
memset(ambe, 0, 9);
memset(pcm, 0, 160 * sizeof(int16_t));
if (m_ttsid == 0)
{
if (m_micData.length() >= 160)
{
int j = 0;
while (!m_micData.empty())
{
pcm[j++] = m_micData.dequeue();
if (j == 160) break;
}
}
else
{
return;
}
}
if (m_hwtx)
{
#if !defined(Q_OS_IOS)
m_ambedev->encode(pcm);
#endif
if (m_tx && (m_txcodecq.size() >= 9))
{
for (int i = 0; i < 9; ++i)
{
ambe[i] = m_txcodecq.dequeue();
}
send_frame(ambe);
}
else if (!m_tx)
{
send_frame(ambe);
}
}
else
{
if (m_modeinfo.sw_vocoder_loaded)
{
m_mbevocoder->encode_2400x1200(pcm, ambe);
}
send_frame(ambe);
}
}
void REF::send_frame(uint8_t *ambe)
{
QByteArray txdata;
static uint16_t txstreamid = 0;
static bool sendheader = 1;
if (txstreamid == 0)
{
txstreamid = static_cast<uint16_t>((::rand() & 0xFFFF));
}
if (sendheader)
{
sendheader = 0;
txdata.resize(58);
txdata[0] = 0x3a;
txdata[1] = 0x80;
txdata[2] = 0x44;
txdata[3] = 0x53;
txdata[4] = 0x56;
txdata[5] = 0x54;
txdata[6] = 0x10;
txdata[7] = 0x00;
txdata[8] = 0x00;
txdata[9] = 0x00;
txdata[10] = 0x20;
txdata[11] = 0x00;
txdata[12] = 0x02;
txdata[13] = 0x01;
txdata[14] = (txstreamid >> 8) & 0xff;
txdata[15] = txstreamid & 0xff;
txdata[16] = 0x80;
txdata[17] = 0x00;
txdata[18] = 0x00;
txdata[19] = 0x00;
txdata.replace(20, 8, m_txrptr2.toLocal8Bit().data());
txdata.replace(28, 8, m_txrptr1.toLocal8Bit().data());
txdata.replace(36, 8, m_txurcall.toLocal8Bit().data());
txdata.replace(44, 8, m_txmycall.toLocal8Bit().data());
txdata.replace(52, 4, "AMBE");
CCRC::addCCITT161((uint8_t *)txdata.data() + 17, 41);
m_modeinfo.src = m_txmycall;
m_modeinfo.dst = m_txurcall;
m_modeinfo.gw = m_txrptr1;
m_modeinfo.gw2 = m_txrptr2;
m_modeinfo.streamid = txstreamid;
m_modeinfo.frame_number = m_txcnt;
m_udp->writeDatagram(txdata, m_address, m_modeinfo.port);
if (m_debug)
{
QDebug debug = qDebug();
debug.noquote();
QString s = "SEND:";
for (int i = 0; i < txdata.size(); ++i)
{
s += " " + QString("%1").arg((uint8_t)txdata.data()[i], 2, 16, QChar('0'));
}
debug << s;
emit update_log(s);
}
}
txdata.resize(29);
txdata[0] = 0x1d;
txdata[1] = 0x80;
txdata[2] = 0x44;
txdata[3] = 0x53;
txdata[4] = 0x56;
txdata[5] = 0x54;
txdata[6] = 0x20;
txdata[7] = 0x00;
txdata[8] = 0x00;
txdata[9] = 0x00;
txdata[10] = 0x20;
txdata[11] = 0x00;
txdata[12] = 0x02;
txdata[13] = 0x01;
txdata[14] = (txstreamid >> 8) & 0xff;
txdata[15] = txstreamid & 0xff;
txdata[16] = m_txcnt;
memcpy(txdata.data() + 17, ambe, 9);
m_modeinfo.frame_number = m_txcnt;
switch (txdata.data()[16])
{
case 0:
txdata[26] = 0x55;
txdata[27] = 0x2d;
txdata[28] = 0x16;
break;
case 1:
txdata[26] = 0x40 ^ 0x70;
txdata[27] = m_txusrtxt.toLocal8Bit().data()[0] ^ 0x4f;
txdata[28] = m_txusrtxt.toLocal8Bit().data()[1] ^ 0x93;
break;
case 2:
txdata[26] = m_txusrtxt.toLocal8Bit().data()[2] ^ 0x70;
txdata[27] = m_txusrtxt.toLocal8Bit().data()[3] ^ 0x4f;
txdata[28] = m_txusrtxt.toLocal8Bit().data()[4] ^ 0x93;
break;
case 3:
txdata[26] = 0x41 ^ 0x70;
txdata[27] = m_txusrtxt.toLocal8Bit().data()[5] ^ 0x4f;
txdata[28] = m_txusrtxt.toLocal8Bit().data()[6] ^ 0x93;
break;
case 4:
txdata[26] = m_txusrtxt.toLocal8Bit().data()[7] ^ 0x70;
txdata[27] = m_txusrtxt.toLocal8Bit().data()[8] ^ 0x4f;
txdata[28] = m_txusrtxt.toLocal8Bit().data()[9] ^ 0x93;
break;
case 5:
txdata[26] = 0x42 ^ 0x70;
txdata[27] = m_txusrtxt.toLocal8Bit().data()[10] ^ 0x4f;
txdata[28] = m_txusrtxt.toLocal8Bit().data()[11] ^ 0x93;
break;
case 6:
txdata[26] = m_txusrtxt.toLocal8Bit().data()[12] ^ 0x70;
txdata[27] = m_txusrtxt.toLocal8Bit().data()[13] ^ 0x4f;
txdata[28] = m_txusrtxt.toLocal8Bit().data()[14] ^ 0x93;
break;
case 7:
txdata[26] = 0x43 ^ 0x70;
txdata[27] = m_txusrtxt.toLocal8Bit().data()[15] ^ 0x4f;
txdata[28] = m_txusrtxt.toLocal8Bit().data()[16] ^ 0x93;
break;
case 8:
txdata[26] = m_txusrtxt.toLocal8Bit().data()[17] ^ 0x70;
txdata[27] = m_txusrtxt.toLocal8Bit().data()[18] ^ 0x4f;
txdata[28] = m_txusrtxt.toLocal8Bit().data()[19] ^ 0x93;
break;
default:
txdata[26] = 0x16;
txdata[27] = 0x29;
txdata[28] = 0xf5;
break;
}
if (m_txcnt == 20)
{
sendheader = 1;
m_txcnt = 0;
}
else
{
++m_txcnt;
}
if (!m_tx)
{
emit update_log("TX stopped");
txdata[0] = 0x20;
//txdata[6] = 0x20;
//txdata[16] = m_txcnt % 21;
txdata[16] = 0x40 | txdata[16];
memset(txdata.data() + 17, 0, 9);
txdata[26] = 0x55;
txdata[27] = 0x55;
txdata[28] = 0x55;
txdata.append(0x55);
txdata.append(0xc8);
txdata.append(0x7a);
m_txcnt = 0;
txstreamid = 0;
m_modeinfo.streamid = 0;
sendheader = 1;
m_txtimer->stop();
if ((m_ttsid == 0) && (m_modeinfo.stream_state == TRANSMITTING) )
{
// m_audio->stop_capture();
}
m_ttscnt = 0;
m_modeinfo.stream_state = STREAM_IDLE;
}
m_udp->writeDatagram(txdata, m_address, m_modeinfo.port);
emit update(m_modeinfo);
if (m_debug)
{
QDebug debug = qDebug();
debug.noquote();
QString s = "SEND:";
for (int i = 0; i < txdata.size(); ++i)
{
s += " " + QString("%1").arg((uint8_t)txdata.data()[i], 2, 16, QChar('0'));
}
debug << s;
emit update_log(s);
}
}
void REF::get_ambe()
{
#if !defined(Q_OS_IOS)
uint8_t ambe[9];
if (m_ambedev->get_ambe(ambe))
{
for (int i = 0; i < 9; ++i)
{
m_txcodecq.append(ambe[i]);
}
}
#endif
}
void REF::process_rx_data()
{
int16_t pcm[160];
uint8_t ambe[9];
if (m_rxwatchdog++ > 50)
{
emit update_log("REF RX stream timeout");
m_rxwatchdog = 0;
m_modeinfo.stream_state = STREAM_LOST;
m_modeinfo.ts = QDateTime::currentMSecsSinceEpoch();
emit update(m_modeinfo);
m_modeinfo.streamid = 0;
}
if (m_rxmodemq.size() > 2)
{
QByteArray out;
int s = m_rxmodemq[1];
if ((m_rxmodemq[0] == 0xe0) && (m_rxmodemq.size() >= s))
{
for (int i = 0; i < s; ++i)
{
out.append(m_rxmodemq.dequeue());
}
#if !defined(Q_OS_IOS)
m_modem->write(out);
#endif
}
}
if ((!m_tx) && (m_rxcodecq.size() > 8) )
{
for (int i = 0; i < 9; ++i)
{
ambe[i] = m_rxcodecq.dequeue();
}
if (m_hwrx)
{
#if !defined(Q_OS_IOS)
m_ambedev->decode(ambe);
if (m_ambedev->get_audio(pcm))
{
emit process_audio(pcm, 160);
}
#endif
}
else
{
if (m_modeinfo.sw_vocoder_loaded)
{
m_mbevocoder->decode_2400x1200(pcm, ambe);
}
else
{
memset(pcm, 0, 160 * sizeof(int16_t));
}
emit process_audio(pcm, 160);
}
}
else
if ((m_modeinfo.stream_state == STREAM_END) || (m_modeinfo.stream_state == STREAM_LOST))
{
m_rxtimer->stop();
m_rxwatchdog = 0;
m_modeinfo.streamid = 0;
m_rxcodecq.clear();
emit update_log("REF playback stopped");
m_modeinfo.stream_state = STREAM_IDLE;
return;
}
}