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Beginnings of AMBE FEC reconstruction.

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This commit is contained in:
Jonathan Naylor
2016-01-19 20:13:20 +00:00
parent df41284682
commit cdc29e85c3
7 changed files with 651 additions and 14 deletions
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32
DMRSlot.cpp
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@@ -54,6 +54,9 @@ m_packetTimer(1000U, 0U, 200U),
m_elapsed(),
m_frames(0U),
m_lost(0U),
m_fec(),
m_bits(0U),
m_errs(0U),
m_fp(NULL)
{
m_lastFrame = new unsigned char[DMR_FRAME_LENGTH_BYTES + 2U];
@@ -67,7 +70,10 @@ CDMRSlot::~CDMRSlot()
void CDMRSlot::writeModem(unsigned char *data)
{
if (data[0U] == TAG_LOST && (m_state == RS_RELAYING_RF_AUDIO || m_state == RS_RELAYING_RF_DATA)) {
LogMessage("DMR Slot %u, transmission lost", m_slotNo);
if (m_bits > 0U)
LogMessage("DMR Slot %u, transmission lost, BER: %u%%", m_slotNo, (m_errs * 100U) / m_bits);
else
LogMessage("DMR Slot %u, transmission lost", m_slotNo);
writeEndOfTransmission();
return;
}
@@ -116,6 +122,9 @@ void CDMRSlot::writeModem(unsigned char *data)
m_seqNo = 0U;
m_n = 0U;
m_bits = 0U;
m_errs = 0U;
// Put a small delay into starting retransmission
writeQueue(m_idle);
@@ -165,7 +174,10 @@ void CDMRSlot::writeModem(unsigned char *data)
writeNetwork(data, DT_TERMINATOR_WITH_LC);
writeQueue(data);
LogMessage("DMR Slot %u, received RF end of voice transmission", m_slotNo);
if (m_bits > 0U)
LogMessage("DMR Slot %u, received RF end of voice transmission, BER: %u%%", m_slotNo, (m_errs * 100U) / m_bits);
else
LogMessage("DMR Slot %u, received RF end of voice transmission", m_slotNo);
// 480ms of idle to space things out
for (unsigned int i = 0U; i < 8U; i++)
@@ -228,7 +240,8 @@ void CDMRSlot::writeModem(unsigned char *data)
unsigned char fid = m_lc->getFID();
if (fid == FID_ETSI || fid == FID_DMRA)
; // AMBE FEC
m_errs += m_fec.regenerateDMR(data + 2U);
m_bits += 216U;
data[0U] = TAG_DATA;
data[1U] = 0x00U;
@@ -251,7 +264,8 @@ void CDMRSlot::writeModem(unsigned char *data)
unsigned char fid = m_lc->getFID();
if (fid == FID_ETSI || fid == FID_DMRA)
; // AMBE FEC
m_errs += m_fec.regenerateDMR(data + 2U);
m_bits += 216U;
data[0U] = TAG_DATA;
data[1U] = 0x00U;
@@ -291,6 +305,9 @@ void CDMRSlot::writeModem(unsigned char *data)
m_seqNo = 0U;
m_n = 0U;
m_bits = 0U;
m_errs = 0U;
for (unsigned int i = 0U; i < 3U; i++) {
writeNetwork(start, DT_VOICE_LC_HEADER);
writeQueue(start);
@@ -302,7 +319,8 @@ void CDMRSlot::writeModem(unsigned char *data)
// Send the original audio frame out
unsigned char fid = m_lc->getFID();
if (fid == FID_ETSI || fid == FID_DMRA)
; // AMBE FEC
m_errs += m_fec.regenerateDMR(data + 2U);
m_bits += 216U;
data[0U] = TAG_DATA;
data[1U] = 0x00U;
@@ -516,7 +534,7 @@ void CDMRSlot::writeNetwork(const CDMRData& dmrData)
unsigned char fid = m_lc->getFID();
if (fid == FID_ETSI || fid == FID_DMRA)
; // AMBE FEC
m_fec.regenerateDMR(data + 2U);
data[0U] = TAG_DATA;
data[1U] = 0x00U;
@@ -550,7 +568,7 @@ void CDMRSlot::writeNetwork(const CDMRData& dmrData)
unsigned char fid = m_lc->getFID();
if (fid == FID_ETSI || fid == FID_DMRA)
; // AMBE FEC
m_fec.regenerateDMR(data + 2U);
// Change the color code in the EMB
CEMB emb;