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Decode and encode the System Fusion FICH.

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This commit is contained in:
Jonathan Naylor
2016-02-23 19:30:35 +00:00
parent 6792894c00
commit dc819b8821
10 changed files with 219 additions and 74 deletions
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27
YSFControl.cpp
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@@ -12,6 +12,7 @@
*/
#include "YSFControl.h"
#include "YSFFICH.h"
#include "Utils.h"
#include "Sync.h"
#include "Log.h"
@@ -24,7 +25,6 @@
/*
* TODO:
* AMBE FEC reconstruction.
* FICH regeneration.
* Callsign extraction + late entry.
* Uplink and downlink callsign addition.
*/
@@ -56,6 +56,10 @@ bool CYSFControl::writeModem(unsigned char *data)
if (type == TAG_LOST && m_state == RS_RELAYING_RF_AUDIO) {
LogMessage("YSF, transmission lost, %.1f seconds", float(m_frames) / 10.0F);
if (m_parrot != NULL)
m_parrot->end();
writeEndOfTransmission();
return false;
}
@@ -84,15 +88,24 @@ bool CYSFControl::writeModem(unsigned char *data)
if (type == TAG_EOT) {
CSync::addYSFSync(data + 2U);
CYSFFICH fich;
fich.decode(data + 2U);
m_frames++;
if (m_duplex) {
fich.setMR(YSF_MR_BUSY);
fich.encode(data + 2U);
data[0U] = TAG_EOT;
data[1U] = 0x00U;
writeQueue(data);
}
if (m_parrot != NULL) {
fich.setMR(YSF_MR_NOT_BUSY);
fich.encode(data + 2U);
data[0U] = TAG_EOT;
data[1U] = 0x00U;
writeParrot(data);
@@ -109,15 +122,24 @@ bool CYSFControl::writeModem(unsigned char *data)
} else {
CSync::addYSFSync(data + 2U);
CYSFFICH fich;
fich.decode(data + 2U);
m_frames++;
if (m_duplex) {
fich.setMR(YSF_MR_BUSY);
fich.encode(data + 2U);
data[0U] = TAG_DATA;
data[1U] = 0x00U;
writeQueue(data);
}
if (m_parrot != NULL) {
fich.setMR(YSF_MR_NOT_BUSY);
fich.encode(data + 2U);
data[0U] = TAG_DATA;
data[1U] = 0x00U;
writeParrot(data);
@@ -196,6 +218,9 @@ void CYSFControl::writeParrot(const unsigned char *data)
return;
m_parrot->write(data);
if (data[0U] == TAG_EOT)
m_parrot->end();
}
bool CYSFControl::openFile()