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Allow half-duplex DMR for use with hotspot hardware.

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This commit is contained in:
Jonathan Naylor
2016-02-15 18:01:21 +00:00
parent a4dc96133a
commit 656be113f5
5 changed files with 67 additions and 43 deletions
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93
DMRSlot.cpp
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@@ -29,6 +29,7 @@ unsigned int CDMRSlot::m_colorCode = 0U;
CModem* CDMRSlot::m_modem = NULL;
CHomebrewDMRIPSC* CDMRSlot::m_network = NULL;
IDisplay* CDMRSlot::m_display = NULL;
bool CDMRSlot::m_duplex = true;
unsigned char* CDMRSlot::m_idle = NULL;
@@ -132,11 +133,14 @@ void CDMRSlot::writeModem(unsigned char *data)
m_bits = 1U;
m_errs = 0U;
for (unsigned i = 0U; i < 3U; i++) {
writeNetwork(data, DT_VOICE_LC_HEADER);
writeQueue(data);
if (m_duplex) {
for (unsigned i = 0U; i < 3U; i++)
writeQueue(data);
}
for (unsigned i = 0U; i < 3U; i++)
writeNetwork(data, DT_VOICE_LC_HEADER);
m_state = RS_RELAYING_RF_AUDIO;
setShortLC(m_slotNo, m_lc->getDstId(), m_lc->getFLCO(), true);
@@ -160,8 +164,10 @@ void CDMRSlot::writeModem(unsigned char *data)
m_n = 0U;
if (m_duplex)
writeQueue(data);
writeNetwork(data, DT_VOICE_PI_HEADER);
writeQueue(data);
} else if (dataType == DT_TERMINATOR_WITH_LC) {
if (m_state != RS_RELAYING_RF_AUDIO)
return;
@@ -180,8 +186,10 @@ void CDMRSlot::writeModem(unsigned char *data)
writeNetwork(data, DT_TERMINATOR_WITH_LC);
// 480ms of terminator to space things out
for (unsigned int i = 0U; i < 8U; i++)
writeQueue(data);
if (m_duplex) {
for (unsigned int i = 0U; i < 8U; i++)
writeQueue(data);
}
if (m_bits == 0U) m_bits = 1U;
LogMessage("DMR Slot %u, received RF end of voice transmission, %.1f seconds, BER: %.1f%%", m_slotNo, float(m_frames) / 16.667F, float(m_errs * 100U) / float(m_bits));
@@ -220,11 +228,14 @@ void CDMRSlot::writeModem(unsigned char *data)
m_seqNo = 0U;
m_n = 0U;
for (unsigned i = 0U; i < 3U; i++) {
writeNetwork(data, DT_DATA_HEADER);
writeQueue(data);
if (m_duplex) {
for (unsigned i = 0U; i < 3U; i++)
writeQueue(data);
}
for (unsigned i = 0U; i < 3U; i++)
writeNetwork(data, DT_DATA_HEADER);
m_state = RS_RELAYING_RF_DATA;
setShortLC(m_slotNo, m_lc->getDstId(), gi ? FLCO_GROUP : FLCO_USER_USER, false);
@@ -260,8 +271,10 @@ void CDMRSlot::writeModem(unsigned char *data)
m_seqNo = 0U;
if (m_duplex)
writeQueue(data);
writeNetwork(data, DT_CSBK, FLCO_USER_USER, csbk.getSrcId(), csbk.getDstId());
writeQueue(data);
LogMessage("DMR Slot %u, received RF CSBK from %u to %u", m_slotNo, csbk.getSrcId(), csbk.getDstId());
}
@@ -287,8 +300,10 @@ void CDMRSlot::writeModem(unsigned char *data)
data[0U] = m_frames == 0U ? TAG_EOT : TAG_DATA;
data[1U] = 0x00U;
if (m_duplex)
writeQueue(data);
writeNetwork(data, dataType);
writeQueue(data);
if (m_frames == 0U) {
LogMessage("DMR Slot %u, ended RF data transmission", m_slotNo);
@@ -314,7 +329,9 @@ void CDMRSlot::writeModem(unsigned char *data)
m_n = 0U;
writeQueue(data);
if (m_duplex)
writeQueue(data);
writeNetwork(data, DT_VOICE_SYNC);
} else if (m_state == RS_LISTENING) {
m_state = RS_LATE_ENTRY;
@@ -338,7 +355,9 @@ void CDMRSlot::writeModem(unsigned char *data)
m_n++;
writeQueue(data);
if (m_duplex)
writeQueue(data);
writeNetwork(data, DT_VOICE);
} else if (m_state == RS_LATE_ENTRY) {
// If we haven't received an LC yet, then be strict on the color code
@@ -374,11 +393,14 @@ void CDMRSlot::writeModem(unsigned char *data)
m_bits = 1U;
m_errs = 0U;
for (unsigned int i = 0U; i < 3U; i++) {
writeNetwork(start, DT_VOICE_LC_HEADER);
writeQueue(start);
if (m_duplex) {
for (unsigned int i = 0U; i < 3U; i++)
writeQueue(start);
}
for (unsigned int i = 0U; i < 3U; i++)
writeNetwork(start, DT_VOICE_LC_HEADER);
// Regenerate the EMB
emb.getData(data + 2U);
@@ -393,7 +415,9 @@ void CDMRSlot::writeModem(unsigned char *data)
m_n++;
writeQueue(data);
if (m_duplex)
writeQueue(data);
writeNetwork(data, DT_VOICE);
m_state = RS_RELAYING_RF_AUDIO;
@@ -440,26 +464,28 @@ void CDMRSlot::writeEndOfTransmission(bool writeEnd)
m_bits = 0U;
if (writeEnd) {
// Create a dummy start end frame
unsigned char data[DMR_FRAME_LENGTH_BYTES + 2U];
if (m_state == RS_RELAYING_NETWORK_AUDIO || (m_state == RS_RELAYING_RF_AUDIO && m_duplex)) {
// Create a dummy start end frame
unsigned char data[DMR_FRAME_LENGTH_BYTES + 2U];
CDMRSync sync;
sync.addDataSync(data + 2U);
CDMRSync sync;
sync.addDataSync(data + 2U);
CFullLC fullLC;
fullLC.encode(*m_lc, data + 2U, DT_TERMINATOR_WITH_LC);
CFullLC fullLC;
fullLC.encode(*m_lc, data + 2U, DT_TERMINATOR_WITH_LC);
CSlotType slotType;
slotType.setColorCode(m_colorCode);
slotType.setDataType(DT_TERMINATOR_WITH_LC);
slotType.getData(data + 2U);
CSlotType slotType;
slotType.setColorCode(m_colorCode);
slotType.setDataType(DT_TERMINATOR_WITH_LC);
slotType.getData(data + 2U);
data[0U] = TAG_DATA;
data[1U] = 0x00U;
data[0U] = TAG_DATA;
data[1U] = 0x00U;
// 480ms of terminator to space things out
for (unsigned int i = 0U; i < 8U; i++)
writeQueue(data);
// 480ms of terminator to space things out
for (unsigned int i = 0U; i < 8U; i++)
writeQueue(data);
}
}
delete m_lc;
@@ -904,7 +930,7 @@ void CDMRSlot::writeNetwork(const unsigned char* data, unsigned char dataType)
writeNetwork(data, dataType, m_lc->getFLCO(), m_lc->getSrcId(), m_lc->getDstId());
}
void CDMRSlot::init(unsigned int colorCode, CModem* modem, CHomebrewDMRIPSC* network, IDisplay* display)
void CDMRSlot::init(unsigned int colorCode, CModem* modem, CHomebrewDMRIPSC* network, IDisplay* display, bool duplex)
{
assert(modem != NULL);
assert(display != NULL);
@@ -913,6 +939,7 @@ void CDMRSlot::init(unsigned int colorCode, CModem* modem, CHomebrewDMRIPSC* net
m_modem = modem;
m_network = network;
m_display = display;
m_duplex = duplex;
m_idle = new unsigned char[DMR_FRAME_LENGTH_BYTES + 2U];