mirror of
https://github.com/g4klx/MMDVMHost
synced 2026-02-05 14:15:43 +08:00
Initial commit
This commit is contained in:
Jonathan Naylor
718
DMRSlot.cpp
Normal file
718
DMRSlot.cpp
Normal file
@@ -0,0 +1,718 @@
|
||||
/*
|
||||
* Copyright (C) 2015,2016 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; version 2 of the License.
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#include "SlotType.h"
|
||||
#include "ShortLC.h"
|
||||
#include "DMRSlot.h"
|
||||
#include "Defines.h"
|
||||
#include "DMRSync.h"
|
||||
#include "FullLC.h"
|
||||
#include "CSBK.h"
|
||||
#include "Utils.h"
|
||||
#include "EMB.h"
|
||||
#include "CRC.h"
|
||||
#include "Log.h"
|
||||
|
||||
#include <cassert>
|
||||
#include <ctime>
|
||||
|
||||
unsigned int CDMRSlot::m_colorCode = 0U;
|
||||
CModem* CDMRSlot::m_modem = NULL;
|
||||
CHomebrewDMRIPSC* CDMRSlot::m_network = NULL;
|
||||
IDisplay* CDMRSlot::m_display = NULL;
|
||||
|
||||
unsigned char* CDMRSlot::m_idle = NULL;
|
||||
|
||||
FLCO CDMRSlot::m_flco1;
|
||||
unsigned char CDMRSlot::m_id1 = 0U;
|
||||
FLCO CDMRSlot::m_flco2;
|
||||
unsigned char CDMRSlot::m_id2 = 0U;
|
||||
|
||||
// #define DUMP_DMR
|
||||
|
||||
CDMRSlot::CDMRSlot(unsigned int slotNo, unsigned int timeout) :
|
||||
m_slotNo(slotNo),
|
||||
m_radioQueue(1000U),
|
||||
m_networkQueue(100U),
|
||||
m_state(SS_LISTENING),
|
||||
m_embeddedLC(),
|
||||
m_lc(NULL),
|
||||
m_seqNo(0U),
|
||||
m_n(0U),
|
||||
m_playoutTimer(1000U, 0U, 500U),
|
||||
m_networkWatchdog(1000U, 2U),
|
||||
m_timeoutTimer(1000U, timeout),
|
||||
m_fp(NULL)
|
||||
{
|
||||
}
|
||||
|
||||
CDMRSlot::~CDMRSlot()
|
||||
{
|
||||
}
|
||||
|
||||
void CDMRSlot::writeModem(unsigned char *data)
|
||||
{
|
||||
if (data[0U] == TAG_LOST && m_state == SS_RELAYING_RF) {
|
||||
LogMessage("DMR Slot %u, transmission lost", m_slotNo);
|
||||
writeEndOfTransmission();
|
||||
return;
|
||||
}
|
||||
|
||||
if (data[0U] == TAG_LOST && m_state == SS_LATE_ENTRY) {
|
||||
m_state = SS_LISTENING;
|
||||
return;
|
||||
}
|
||||
|
||||
if (m_state == SS_RELAYING_NETWORK)
|
||||
return;
|
||||
|
||||
bool dataSync = (data[1U] & DMR_SYNC_DATA) == DMR_SYNC_DATA;
|
||||
bool audioSync = (data[1U] & DMR_SYNC_AUDIO) == DMR_SYNC_AUDIO;
|
||||
|
||||
if (dataSync) {
|
||||
CSlotType slotType;
|
||||
slotType.putData(data + 2U);
|
||||
|
||||
unsigned char colorCode = slotType.getColorCode();
|
||||
unsigned char dataType = slotType.getDataType();
|
||||
|
||||
if (colorCode != m_colorCode)
|
||||
return;
|
||||
|
||||
if (dataType == DT_VOICE_LC_HEADER) {
|
||||
if (m_state != SS_RELAYING_RF) {
|
||||
CFullLC fullLC;
|
||||
m_lc = fullLC.decode(data + 2U, DT_VOICE_LC_HEADER);
|
||||
if (m_lc == NULL) {
|
||||
LogMessage("DMR Slot %u: unable to decode the LC", m_slotNo);
|
||||
return;
|
||||
}
|
||||
|
||||
// Regenerate the LC
|
||||
fullLC.encode(*m_lc, data + 2U, DT_VOICE_LC_HEADER);
|
||||
|
||||
// Regenerate the Slot Type
|
||||
slotType.getData(data + 2U);
|
||||
|
||||
// Convert the Data Sync to be from the BS
|
||||
CDMRSync sync;
|
||||
sync.addSync(data + 2U, DST_BS_DATA);
|
||||
|
||||
data[0U] = TAG_DATA;
|
||||
data[1U] = 0x00U;
|
||||
m_n = 0U;
|
||||
|
||||
m_networkWatchdog.stop();
|
||||
m_timeoutTimer.start();
|
||||
|
||||
m_seqNo = 0U;
|
||||
|
||||
for (unsigned i = 0U; i < 3U; i++) {
|
||||
writeNetwork(data, DT_VOICE_LC_HEADER);
|
||||
writeRadioQueue(data);
|
||||
}
|
||||
|
||||
m_state = SS_RELAYING_RF;
|
||||
setShortLC(m_slotNo, m_lc->getDstId(), m_lc->getFLCO());
|
||||
|
||||
m_display->writeDMR(m_slotNo, m_lc->getSrcId(), m_lc->getFLCO() == FLCO_GROUP, m_lc->getDstId());
|
||||
|
||||
LogMessage("DMR Slot %u, received RF header from %u to %s%u", m_slotNo, m_lc->getSrcId(), m_lc->getFLCO() == FLCO_GROUP ? "TG " : "", m_lc->getDstId());
|
||||
}
|
||||
} else if (dataType == DT_VOICE_PI_HEADER) {
|
||||
if (m_state == SS_RELAYING_RF) {
|
||||
// Regenerate the Slot Type
|
||||
slotType.getData(data + 2U);
|
||||
|
||||
// Convert the Data Sync to be from the BS
|
||||
CDMRSync sync;
|
||||
sync.addSync(data + 2U, DST_BS_DATA);
|
||||
|
||||
data[0U] = TAG_DATA;
|
||||
data[1U] = 0x00U;
|
||||
m_n = 0U;
|
||||
|
||||
writeNetwork(data, DT_VOICE_PI_HEADER);
|
||||
writeRadioQueue(data);
|
||||
|
||||
LogMessage("DMR Slot %u, received PI header", m_slotNo);
|
||||
} else {
|
||||
// Should save the PI header for after we have a valid LC
|
||||
}
|
||||
} else {
|
||||
// Ignore wakeup CSBKs
|
||||
if (dataType == DT_CSBK) {
|
||||
CCSBK csbk(data + 2U);
|
||||
CSBKO csbko = csbk.getCSBKO();
|
||||
if (csbko == CSBKO_BSDWNACT)
|
||||
return;
|
||||
}
|
||||
|
||||
if (m_state == SS_RELAYING_RF) {
|
||||
unsigned char end[DMR_FRAME_LENGTH_BYTES + 2U];
|
||||
|
||||
// Generate the LC
|
||||
CFullLC fullLC;
|
||||
fullLC.encode(*m_lc, end + 2U, DT_TERMINATOR_WITH_LC);
|
||||
|
||||
// Generate the Slot Type
|
||||
CSlotType slotType;
|
||||
slotType.setColorCode(m_colorCode);
|
||||
slotType.setDataType(DT_TERMINATOR_WITH_LC);
|
||||
slotType.getData(end + 2U);
|
||||
|
||||
// Set the Data Sync to be from the BS
|
||||
CDMRSync sync;
|
||||
sync.addSync(end + 2U, DST_BS_DATA);
|
||||
|
||||
end[0U] = TAG_EOT;
|
||||
end[1U] = 0x00U;
|
||||
|
||||
writeNetwork(end, DT_TERMINATOR_WITH_LC);
|
||||
writeRadioQueue(end);
|
||||
|
||||
LogMessage("DMR Slot %u, received RF end of transmission", m_slotNo);
|
||||
|
||||
// 480ms of idle to space things out
|
||||
for (unsigned int i = 0U; i < 8U; i++)
|
||||
writeRadioQueue(m_idle);
|
||||
|
||||
writeEndOfTransmission();
|
||||
|
||||
if (dataType == DT_TERMINATOR_WITH_LC)
|
||||
return;
|
||||
}
|
||||
|
||||
// Regenerate the Slot Type
|
||||
slotType.getData(data + 2U);
|
||||
|
||||
// Convert the Data Sync to be from the BS
|
||||
CDMRSync sync;
|
||||
sync.addSync(data + 2U, DST_BS_DATA);
|
||||
|
||||
data[0U] = TAG_DATA;
|
||||
data[1U] = 0x00U;
|
||||
|
||||
writeNetwork(data, dataType);
|
||||
writeRadioQueue(data);
|
||||
}
|
||||
} else if (audioSync) {
|
||||
if (m_state == SS_RELAYING_RF) {
|
||||
// Convert the Audio Sync to be from the BS
|
||||
CDMRSync sync;
|
||||
sync.addSync(data + 2U, DST_BS_AUDIO);
|
||||
|
||||
unsigned char fid = m_lc->getFID();
|
||||
if (fid == FID_ETSI || fid == FID_DMRA)
|
||||
; // AMBE FEC
|
||||
|
||||
data[0U] = TAG_DATA;
|
||||
data[1U] = 0x00U;
|
||||
m_n = 0U;
|
||||
|
||||
writeRadioQueue(data);
|
||||
writeNetwork(data, DT_VOICE_SYNC);
|
||||
} else if (m_state == SS_LISTENING) {
|
||||
m_state = SS_LATE_ENTRY;
|
||||
}
|
||||
} else {
|
||||
if (m_state == SS_RELAYING_RF) {
|
||||
// Regenerate the EMB
|
||||
CEMB emb;
|
||||
emb.putData(data + 2U);
|
||||
emb.setColorCode(m_colorCode);
|
||||
emb.getData(data + 2U);
|
||||
|
||||
unsigned char fid = m_lc->getFID();
|
||||
if (fid == FID_ETSI || fid == FID_DMRA)
|
||||
; // AMBE FEC
|
||||
|
||||
data[0U] = TAG_DATA;
|
||||
data[1U] = 0x00U;
|
||||
m_n++;
|
||||
|
||||
writeRadioQueue(data);
|
||||
writeNetwork(data, DT_VOICE);
|
||||
} else if (m_state == SS_LATE_ENTRY) {
|
||||
// If we haven't received an LC yet, then be strict on the color code
|
||||
CEMB emb;
|
||||
emb.putData(data + 2U);
|
||||
unsigned char colorCode = emb.getColorCode();
|
||||
if (colorCode != m_colorCode)
|
||||
return;
|
||||
|
||||
m_lc = m_embeddedLC.addData(data + 2U, emb.getLCSS());
|
||||
if (m_lc != NULL) {
|
||||
// Create a dummy start frame to replace the received frame
|
||||
unsigned char start[DMR_FRAME_LENGTH_BYTES + 2U];
|
||||
|
||||
CDMRSync sync;
|
||||
sync.addSync(start + 2U, DST_BS_DATA);
|
||||
|
||||
CFullLC fullLC;
|
||||
fullLC.encode(*m_lc, start + 2U, DT_VOICE_LC_HEADER);
|
||||
|
||||
CSlotType slotType;
|
||||
slotType.setColorCode(m_colorCode);
|
||||
slotType.setDataType(DT_VOICE_LC_HEADER);
|
||||
slotType.getData(start + 2U);
|
||||
|
||||
start[0U] = TAG_DATA;
|
||||
start[1U] = 0x00U;
|
||||
m_n = 0U;
|
||||
|
||||
m_networkWatchdog.stop();
|
||||
m_timeoutTimer.start();
|
||||
|
||||
m_seqNo = 0U;
|
||||
|
||||
for (unsigned int i = 0U; i < 3U; i++) {
|
||||
writeNetwork(start, DT_VOICE_LC_HEADER);
|
||||
writeRadioQueue(start);
|
||||
}
|
||||
|
||||
// Send the original audio frame out
|
||||
unsigned char fid = m_lc->getFID();
|
||||
if (fid == FID_ETSI || fid == FID_DMRA)
|
||||
; // AMBE FEC
|
||||
|
||||
data[0U] = TAG_DATA;
|
||||
data[1U] = 0x00U;
|
||||
m_n++;
|
||||
|
||||
writeRadioQueue(data);
|
||||
writeNetwork(data, DT_VOICE);
|
||||
|
||||
m_state = SS_RELAYING_RF;
|
||||
|
||||
setShortLC(m_slotNo, m_lc->getDstId(), m_lc->getFLCO());
|
||||
|
||||
m_display->writeDMR(m_slotNo, m_lc->getSrcId(), m_lc->getFLCO() == FLCO_GROUP, m_lc->getDstId());
|
||||
|
||||
LogMessage("DMR Slot %u, received RF late entry from %u to %s%u", m_slotNo, m_lc->getSrcId(), m_lc->getFLCO() == FLCO_GROUP ? "TG " : "", m_lc->getDstId());
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
unsigned int CDMRSlot::readModem(unsigned char* data)
|
||||
{
|
||||
if (m_radioQueue.isEmpty())
|
||||
return 0U;
|
||||
|
||||
unsigned char len = 0U;
|
||||
m_radioQueue.getData(&len, 1U);
|
||||
|
||||
m_radioQueue.getData(data, len);
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
void CDMRSlot::writeEndOfTransmission()
|
||||
{
|
||||
m_state = SS_LISTENING;
|
||||
|
||||
setShortLC(m_slotNo, 0U);
|
||||
|
||||
m_display->clearDMR(m_slotNo);
|
||||
|
||||
m_networkWatchdog.stop();
|
||||
m_timeoutTimer.stop();
|
||||
|
||||
delete m_lc;
|
||||
m_lc = NULL;
|
||||
}
|
||||
|
||||
void CDMRSlot::writeNetwork(const CDMRData& dmrData)
|
||||
{
|
||||
if (m_state == SS_RELAYING_RF || m_state == SS_LATE_ENTRY)
|
||||
return;
|
||||
|
||||
m_networkWatchdog.start();
|
||||
|
||||
unsigned char dataType = dmrData.getDataType();
|
||||
|
||||
unsigned char data[DMR_FRAME_LENGTH_BYTES + 2U];
|
||||
dmrData.getData(data + 2U);
|
||||
|
||||
if (dataType == DT_VOICE_LC_HEADER) {
|
||||
if (m_state != SS_RELAYING_NETWORK) {
|
||||
CFullLC fullLC;
|
||||
m_lc = fullLC.decode(data + 2U, DT_VOICE_LC_HEADER);
|
||||
if (m_lc == NULL)
|
||||
m_lc = new CLC(dmrData.getFLCO(), dmrData.getSrcId(), dmrData.getDstId());
|
||||
|
||||
// Regenerate the LC
|
||||
fullLC.encode(*m_lc, data + 2U, DT_VOICE_LC_HEADER);
|
||||
|
||||
// Regenerate the Slot Type
|
||||
CSlotType slotType;
|
||||
slotType.setColorCode(m_colorCode);
|
||||
slotType.setDataType(DT_VOICE_LC_HEADER);
|
||||
slotType.getData(data + 2U);
|
||||
|
||||
// Convert the Data Sync to be from the BS
|
||||
CDMRSync sync;
|
||||
sync.addSync(data + 2U, DST_BS_DATA);
|
||||
|
||||
data[0U] = TAG_DATA;
|
||||
data[1U] = 0x00U;
|
||||
|
||||
m_playoutTimer.start();
|
||||
m_timeoutTimer.start();
|
||||
|
||||
for (unsigned int i = 0U; i < 3U; i++)
|
||||
writeNetworkQueue(data);
|
||||
|
||||
m_state = SS_RELAYING_NETWORK;
|
||||
|
||||
setShortLC(m_slotNo, m_lc->getDstId(), m_lc->getFLCO());
|
||||
|
||||
m_display->writeDMR(m_slotNo, m_lc->getSrcId(), m_lc->getFLCO() == FLCO_GROUP, m_lc->getDstId());
|
||||
|
||||
#if defined(DUMP_DMR)
|
||||
openFile();
|
||||
writeFile(data);
|
||||
#endif
|
||||
LogMessage("DMR Slot %u, received network header from %u to %s%u", m_slotNo, m_lc->getSrcId(), m_lc->getFLCO() == FLCO_GROUP ? "TG " : "", m_lc->getDstId());
|
||||
}
|
||||
} else if (dataType == DT_VOICE_PI_HEADER) {
|
||||
if (m_state != SS_RELAYING_NETWORK)
|
||||
return;
|
||||
|
||||
// Regenerate the Slot Type
|
||||
CSlotType slotType;
|
||||
slotType.setColorCode(m_colorCode);
|
||||
slotType.setDataType(DT_VOICE_PI_HEADER);
|
||||
slotType.getData(data + 2U);
|
||||
|
||||
// Convert the Data Sync to be from the BS
|
||||
CDMRSync sync;
|
||||
sync.addSync(data + 2U, DST_BS_DATA);
|
||||
|
||||
data[0U] = TAG_DATA;
|
||||
data[1U] = 0x00U;
|
||||
|
||||
writeNetworkQueue(data);
|
||||
|
||||
#if defined(DUMP_DMR)
|
||||
writeFile(data);
|
||||
#endif
|
||||
} else if (dataType == DT_TERMINATOR_WITH_LC) {
|
||||
if (m_state != SS_RELAYING_NETWORK)
|
||||
return;
|
||||
|
||||
// Regenerate the LC
|
||||
CFullLC fullLC;
|
||||
fullLC.encode(*m_lc, data + 2U, DT_TERMINATOR_WITH_LC);
|
||||
|
||||
// Regenerate the Slot Type
|
||||
CSlotType slotType;
|
||||
slotType.setColorCode(m_colorCode);
|
||||
slotType.setDataType(DT_TERMINATOR_WITH_LC);
|
||||
slotType.getData(data + 2U);
|
||||
|
||||
// Convert the Data Sync to be from the BS
|
||||
CDMRSync sync;
|
||||
sync.addSync(data + 2U, DST_BS_DATA);
|
||||
|
||||
data[0U] = TAG_EOT;
|
||||
data[1U] = 0x00U;
|
||||
|
||||
writeNetworkQueue(data);
|
||||
writeEndOfTransmission();
|
||||
|
||||
#if defined(DUMP_DMR)
|
||||
writeFile(data);
|
||||
closeFile();
|
||||
#endif
|
||||
LogMessage("DMR Slot %u, received network end of transmission", m_slotNo);
|
||||
} else if (dataType == DT_VOICE_SYNC) {
|
||||
if (m_state != SS_RELAYING_NETWORK)
|
||||
return;
|
||||
|
||||
// Convert the Audio Sync to be from the BS
|
||||
CDMRSync sync;
|
||||
sync.addSync(data + 2U, DST_BS_AUDIO);
|
||||
|
||||
unsigned char fid = m_lc->getFID();
|
||||
if (fid == FID_ETSI || fid == FID_DMRA)
|
||||
; // AMBE FEC
|
||||
|
||||
data[0U] = TAG_DATA;
|
||||
data[1U] = 0x00U;
|
||||
|
||||
writeNetworkQueue(data);
|
||||
|
||||
#if defined(DUMP_DMR)
|
||||
writeFile(data);
|
||||
#endif
|
||||
} else if (dataType == DT_VOICE) {
|
||||
if (m_state != SS_RELAYING_NETWORK)
|
||||
return;
|
||||
|
||||
unsigned char fid = m_lc->getFID();
|
||||
if (fid == FID_ETSI || fid == FID_DMRA)
|
||||
; // AMBE FEC
|
||||
|
||||
// Change the color code in the EMB
|
||||
CEMB emb;
|
||||
emb.putData(data + 2U);
|
||||
emb.setColorCode(m_colorCode);
|
||||
emb.getData(data + 2U);
|
||||
|
||||
data[0U] = TAG_DATA;
|
||||
data[1U] = 0x00U;
|
||||
|
||||
writeNetworkQueue(data);
|
||||
|
||||
#if defined(DUMP_DMR)
|
||||
writeFile(data);
|
||||
#endif
|
||||
} else {
|
||||
if (m_state != SS_RELAYING_NETWORK)
|
||||
return;
|
||||
|
||||
// Change the Color Code of the Slot Type
|
||||
CSlotType slotType;
|
||||
slotType.putData(data + 2U);
|
||||
slotType.setColorCode(m_colorCode);
|
||||
slotType.getData(data + 2U);
|
||||
|
||||
// Convert the Data Sync to be from the BS
|
||||
CDMRSync sync;
|
||||
sync.addSync(data + 2U, DST_BS_DATA);
|
||||
|
||||
data[0U] = TAG_DATA;
|
||||
data[1U] = 0x00U;
|
||||
|
||||
writeNetworkQueue(data);
|
||||
|
||||
#if defined(DUMP_DMR)
|
||||
writeFile(data);
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
void CDMRSlot::clock(unsigned int ms)
|
||||
{
|
||||
m_timeoutTimer.clock(ms);
|
||||
|
||||
m_playoutTimer.clock(ms);
|
||||
if (m_playoutTimer.isRunning() && m_playoutTimer.hasExpired()) {
|
||||
while (!m_networkQueue.isEmpty()) {
|
||||
unsigned char len = 0U;
|
||||
m_networkQueue.getData(&len, 1U);
|
||||
|
||||
unsigned char buffer[100U];
|
||||
m_networkQueue.getData(buffer, len);
|
||||
|
||||
m_radioQueue.addData(&len, 1U);
|
||||
m_radioQueue.addData(buffer, len);
|
||||
}
|
||||
}
|
||||
|
||||
if (m_state == SS_RELAYING_NETWORK) {
|
||||
m_networkWatchdog.clock(ms);
|
||||
|
||||
if (m_networkWatchdog.hasExpired()) {
|
||||
LogMessage("DMR Slot %u, network watchdog has expired", m_slotNo);
|
||||
writeEndOfTransmission();
|
||||
#if defined(DUMP_DMR)
|
||||
closeFile();
|
||||
#endif
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void CDMRSlot::writeRadioQueue(const unsigned char *data)
|
||||
{
|
||||
unsigned char len = DMR_FRAME_LENGTH_BYTES + 2U;
|
||||
m_radioQueue.addData(&len, 1U);
|
||||
|
||||
// If the timeout has expired, replace the audio with idles to keep the slot busy
|
||||
if (m_timeoutTimer.isRunning() && m_timeoutTimer.hasExpired())
|
||||
m_radioQueue.addData(m_idle, len);
|
||||
else
|
||||
m_radioQueue.addData(data, len);
|
||||
}
|
||||
|
||||
void CDMRSlot::writeNetworkQueue(const unsigned char *data)
|
||||
{
|
||||
// If the timeout has expired, send nothing
|
||||
if (!m_timeoutTimer.isRunning() || !m_timeoutTimer.hasExpired()) {
|
||||
unsigned char len = DMR_FRAME_LENGTH_BYTES + 2U;
|
||||
m_networkQueue.addData(&len, 1U);
|
||||
|
||||
m_networkQueue.addData(data, len);
|
||||
}
|
||||
}
|
||||
|
||||
void CDMRSlot::writeNetwork(const unsigned char* data, unsigned char dataType)
|
||||
{
|
||||
assert(m_lc != NULL);
|
||||
|
||||
if (m_network == NULL)
|
||||
return;
|
||||
|
||||
// Don't send to the network if the timeout has expired
|
||||
if (m_timeoutTimer.isRunning() && m_timeoutTimer.hasExpired())
|
||||
return;
|
||||
|
||||
CDMRData dmrData;
|
||||
dmrData.setSlotNo(m_slotNo);
|
||||
dmrData.setDataType(dataType);
|
||||
dmrData.setSrcId(m_lc->getSrcId());
|
||||
dmrData.setDstId(m_lc->getDstId());
|
||||
dmrData.setFLCO(m_lc->getFLCO());
|
||||
dmrData.setN(m_n);
|
||||
dmrData.setSeqNo(m_seqNo);
|
||||
|
||||
m_seqNo++;
|
||||
|
||||
dmrData.setData(data + 2U);
|
||||
|
||||
m_network->write(dmrData);
|
||||
}
|
||||
|
||||
void CDMRSlot::init(unsigned int colorCode, CModem* modem, CHomebrewDMRIPSC* network, IDisplay* display)
|
||||
{
|
||||
assert(modem != NULL);
|
||||
assert(display != NULL);
|
||||
|
||||
m_colorCode = colorCode;
|
||||
m_modem = modem;
|
||||
m_network = network;
|
||||
m_display = display;
|
||||
|
||||
m_idle = new unsigned char[DMR_FRAME_LENGTH_BYTES + 2U];
|
||||
|
||||
::memcpy(m_idle + 2U, IDLE_DATA, DMR_FRAME_LENGTH_BYTES);
|
||||
|
||||
// Generate the Slot Type
|
||||
CSlotType slotType;
|
||||
slotType.setColorCode(colorCode);
|
||||
slotType.setDataType(DT_IDLE);
|
||||
slotType.getData(m_idle + 2U);
|
||||
|
||||
m_idle[0U] = TAG_DATA;
|
||||
m_idle[1U] = 0x00U;
|
||||
}
|
||||
|
||||
void CDMRSlot::setShortLC(unsigned int slotNo, unsigned int id, FLCO flco)
|
||||
{
|
||||
assert(m_modem != NULL);
|
||||
|
||||
switch (slotNo) {
|
||||
case 1U:
|
||||
m_id1 = 0U;
|
||||
m_flco1 = flco;
|
||||
if (id != 0U) {
|
||||
unsigned char buffer[3U];
|
||||
buffer[0U] = (id << 16) & 0xFFU;
|
||||
buffer[1U] = (id << 8) & 0xFFU;
|
||||
buffer[2U] = (id << 0) & 0xFFU;
|
||||
m_id1 = CCRC::crc8(buffer, 3U);
|
||||
}
|
||||
break;
|
||||
case 2U:
|
||||
m_id2 = 0U;
|
||||
m_flco2 = flco;
|
||||
if (id != 0U) {
|
||||
unsigned char buffer[3U];
|
||||
buffer[0U] = (id << 16) & 0xFFU;
|
||||
buffer[1U] = (id << 8) & 0xFFU;
|
||||
buffer[2U] = (id << 0) & 0xFFU;
|
||||
m_id2 = CCRC::crc8(buffer, 3U);
|
||||
}
|
||||
break;
|
||||
default:
|
||||
LogError("Invalid slot number passed to setShortLC - %u", slotNo);
|
||||
return;
|
||||
}
|
||||
|
||||
unsigned char lc[5U];
|
||||
lc[0U] = 0x01U;
|
||||
lc[1U] = 0x00U;
|
||||
lc[2U] = 0x00U;
|
||||
lc[3U] = 0x00U;
|
||||
|
||||
if (m_id1 != 0U) {
|
||||
lc[2U] = m_id1;
|
||||
if (m_flco1 == FLCO_GROUP)
|
||||
lc[1U] |= 0x80U;
|
||||
else
|
||||
lc[1U] |= 0x90U;
|
||||
}
|
||||
|
||||
if (m_id2 != 0U) {
|
||||
lc[3U] = m_id2;
|
||||
if (m_flco2 == FLCO_GROUP)
|
||||
lc[1U] |= 0x08U;
|
||||
else
|
||||
lc[1U] |= 0x09U;
|
||||
}
|
||||
|
||||
lc[4U] = CCRC::crc8(lc, 4U);
|
||||
|
||||
unsigned char sLC[9U];
|
||||
|
||||
CUtils::dump(1U, "Input Short LC", lc, 5U);
|
||||
|
||||
CShortLC shortLC;
|
||||
shortLC.encode(lc, sLC);
|
||||
|
||||
CUtils::dump(1U, "Output Short LC", sLC, 9U);
|
||||
|
||||
m_modem->writeDMRShortLC(sLC);
|
||||
}
|
||||
|
||||
bool CDMRSlot::openFile()
|
||||
{
|
||||
if (m_fp != NULL)
|
||||
return true;
|
||||
|
||||
time_t t;
|
||||
::time(&t);
|
||||
|
||||
struct tm* tm = ::localtime(&t);
|
||||
|
||||
char name[100U];
|
||||
::sprintf(name, "DMR_%u_%04d%02d%02d_%02d%02d%02d.ambe", m_slotNo, tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
|
||||
|
||||
m_fp = ::fopen(name, "wb");
|
||||
if (m_fp == NULL)
|
||||
return false;
|
||||
|
||||
::fwrite("DMR", 1U, 3U, m_fp);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool CDMRSlot::writeFile(const unsigned char* data)
|
||||
{
|
||||
if (m_fp == NULL)
|
||||
return false;
|
||||
|
||||
::fwrite(data, 1U, DMR_FRAME_LENGTH_BYTES + 2U, m_fp);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
void CDMRSlot::closeFile()
|
||||
{
|
||||
if (m_fp != NULL) {
|
||||
::fclose(m_fp);
|
||||
m_fp = NULL;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user