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Change to the new method of M17 EOT transmission.

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This commit is contained in:
Jonathan Naylor
2021-09-19 15:15:37 +01:00
parent cb89b34a39
commit 50a3afd66f
7 changed files with 33 additions and 47 deletions
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66
M17Control.cpp
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@@ -329,8 +329,18 @@ bool CM17Control::writeModem(unsigned char* data, unsigned int len)
#if defined(DUMP_M17)
writeFile(data + 2U);
#endif
if (m_duplex)
writeQueueEOTRF();
if (m_duplex) {
unsigned char rfData[M17_FRAME_LENGTH_BYTES + 2U];
rfData[0U] = TAG_EOT;
rfData[1U] = 0x00U;
// Generate the sync
for (unsigned int i = 0U; i < M17_FRAME_LENGTH_BYTES; i += M17_SYNC_LENGTH_BYTES)
CSync::addM17EOTSync(rfData + 2U + i);
writeQueueRF(rfData);
}
if (m_network != NULL && m_rfTimeoutTimer.isRunning() && !m_rfTimeoutTimer.hasExpired()) {
unsigned char netData[M17_LSF_LENGTH_BYTES + M17_FN_LENGTH_BYTES + M17_PAYLOAD_LENGTH_BYTES + M17_CRC_LENGTH_BYTES];
@@ -560,7 +570,16 @@ void CM17Control::writeNetwork()
LogMessage("M17, received network end of transmission from %s to %s, %.1f seconds", source.c_str(), dest.c_str(), float(m_netFrames) / 25.0F);
writeQueueEOTNet();
unsigned char data[M17_FRAME_LENGTH_BYTES + 2U];
data[0U] = TAG_EOT;
data[1U] = 0x00U;
// Generate the sync
for (unsigned int i = 0U; i < M17_FRAME_LENGTH_BYTES; i += M17_SYNC_LENGTH_BYTES)
CSync::addM17EOTSync(data + 2U + i);
writeQueueNet(data);
writeEndNet();
}
@@ -686,28 +705,6 @@ void CM17Control::writeQueueRF(const unsigned char *data)
m_queue.addData(data, len);
}
void CM17Control::writeQueueEOTRF()
{
if (m_netState != RS_NET_IDLE)
return;
if (m_rfTimeoutTimer.isRunning() && m_rfTimeoutTimer.hasExpired())
return;
const unsigned char len = 1U;
unsigned int space = m_queue.freeSpace();
if (space < (len + 1U)) {
LogError("M17, overflow in the M17 RF queue");
return;
}
m_queue.addData(&len, 1U);
const unsigned char data = TAG_EOT;
m_queue.addData(&data, len);
}
void CM17Control::writeQueueNet(const unsigned char *data)
{
assert(data != NULL);
@@ -728,25 +725,6 @@ void CM17Control::writeQueueNet(const unsigned char *data)
m_queue.addData(data, len);
}
void CM17Control::writeQueueEOTNet()
{
if (m_netTimeoutTimer.isRunning() && m_netTimeoutTimer.hasExpired())
return;
const unsigned char len = 1U;
unsigned int space = m_queue.freeSpace();
if (space < (len + 1U)) {
LogError("M17, overflow in the M17 RF queue");
return;
}
m_queue.addData(&len, 1U);
const unsigned char data = TAG_EOT;
m_queue.addData(&data, len);
}
void CM17Control::interleaver(const unsigned char* in, unsigned char* out) const
{
assert(in != NULL);