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Add JSON RSSI and BER to NXDN.

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This commit is contained in:
Jonathan Naylor
2023-06-11 15:09:58 +01:00
parent c52ae58816
commit e2ef49209b
2 changed files with 83 additions and 5 deletions
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81
NXDNControl.cpp
View File

@@ -34,6 +34,9 @@ const unsigned char SCRAMBLER[] = {
// #define DUMP_NXDN
const unsigned int RSSI_COUNT = 28U; // 28 * 40ms = 1120ms
const unsigned int BER_COUNT = 28U; // 28 * 40ms = 1120ms
const unsigned char BIT_MASK_TABLE[] = { 0x80U, 0x40U, 0x20U, 0x10U, 0x08U, 0x04U, 0x02U, 0x01U };
#define WRITE_BIT1(p,i,b) p[(i)>>3] = (b) ? (p[(i)>>3] | BIT_MASK_TABLE[(i)&7]) : (p[(i)>>3] & ~BIT_MASK_TABLE[(i)&7])
@@ -70,7 +73,11 @@ m_rssi(0U),
m_maxRSSI(0U),
m_minRSSI(0U),
m_aveRSSI(0U),
m_rssiCountTotal(0U),
m_rssiAccum(0U),
m_rssiCount(0U),
m_bitsCount(0U),
m_bitErrsAccum(0U),
m_enabled(true),
m_fp(NULL)
{
@@ -99,8 +106,8 @@ bool CNXDNControl::writeModem(unsigned char *data, unsigned int len)
std::string source = m_lookup->find(srcId);
if (m_rssi != 0U) {
LogMessage("NXDN, transmission lost from %s to %s%u, %.1f seconds, BER: %.1f%%, RSSI: -%u/-%u/-%u dBm", source.c_str(), grp ? "TG " : "", dstId, float(m_rfFrames) / 12.5F, float(m_rfErrs * 100U) / float(m_rfBits), m_minRSSI, m_maxRSSI, m_aveRSSI / m_rssiCount);
writeJSONRF("lost", float(m_rfFrames) / 12.5F, float(m_rfErrs * 100U) / float(m_rfBits), m_minRSSI, m_maxRSSI, m_aveRSSI / m_rssiCount);
LogMessage("NXDN, transmission lost from %s to %s%u, %.1f seconds, BER: %.1f%%, RSSI: -%u/-%u/-%u dBm", source.c_str(), grp ? "TG " : "", dstId, float(m_rfFrames) / 12.5F, float(m_rfErrs * 100U) / float(m_rfBits), m_minRSSI, m_maxRSSI, m_aveRSSI / m_rssiCountTotal);
writeJSONRF("lost", float(m_rfFrames) / 12.5F, float(m_rfErrs * 100U) / float(m_rfBits), m_minRSSI, m_maxRSSI, m_aveRSSI / m_rssiCountTotal);
} else {
LogMessage("NXDN, transmission lost from %s to %s%u, %.1f seconds, BER: %.1f%%", source.c_str(), grp ? "TG " : "", dstId, float(m_rfFrames) / 12.5F, float(m_rfErrs * 100U) / float(m_rfBits));
writeJSONRF("lost", float(m_rfFrames) / 12.5F, float(m_rfErrs * 100U) / float(m_rfBits));
@@ -141,7 +148,9 @@ bool CNXDNControl::writeModem(unsigned char *data, unsigned int len)
m_maxRSSI = m_rssi;
m_aveRSSI += m_rssi;
m_rssiCount++;
m_rssiCountTotal++;
writeJSONRSSI();
}
scrambler(data + 2U);
@@ -274,8 +283,8 @@ bool CNXDNControl::processVoice(unsigned char usc, unsigned char option, unsigne
m_rfFrames++;
if (m_rssi != 0U) {
LogMessage("NXDN, received RF end of transmission from %s to %s%u, %.1f seconds, BER: %.1f%%, RSSI: -%u/-%u/-%u dBm", source.c_str(), grp ? "TG " : "", dstId, float(m_rfFrames) / 12.5F, float(m_rfErrs * 100U) / float(m_rfBits), m_minRSSI, m_maxRSSI, m_aveRSSI / m_rssiCount);
writeJSONRF("end", float(m_rfFrames) / 12.5F, float(m_rfErrs * 100U) / float(m_rfBits), m_minRSSI, m_maxRSSI, m_aveRSSI / m_rssiCount);
LogMessage("NXDN, received RF end of transmission from %s to %s%u, %.1f seconds, BER: %.1f%%, RSSI: -%u/-%u/-%u dBm", source.c_str(), grp ? "TG " : "", dstId, float(m_rfFrames) / 12.5F, float(m_rfErrs * 100U) / float(m_rfBits), m_minRSSI, m_maxRSSI, m_aveRSSI / m_rssiCountTotal);
writeJSONRF("end", float(m_rfFrames) / 12.5F, float(m_rfErrs * 100U) / float(m_rfBits), m_minRSSI, m_maxRSSI, m_aveRSSI / m_rssiCountTotal);
} else {
LogMessage("NXDN, received RF end of transmission from %s to %s%u, %.1f seconds, BER: %.1f%%", source.c_str(), grp ? "TG " : "", dstId, float(m_rfFrames) / 12.5F, float(m_rfErrs * 100U) / float(m_rfBits));
writeJSONRF("end", float(m_rfFrames) / 12.5F, float(m_rfErrs * 100U) / float(m_rfBits));
@@ -285,12 +294,22 @@ bool CNXDNControl::processVoice(unsigned char usc, unsigned char option, unsigne
m_rfFrames = 0U;
m_rfErrs = 0U;
m_rfBits = 1U;
m_rfTimeoutTimer.start();
m_rfState = RS_RF_AUDIO;
m_minRSSI = m_rssi;
m_maxRSSI = m_rssi;
m_aveRSSI = m_rssi;
m_rssiCountTotal = 1U;
m_rssiAccum = m_rssi;
m_rssiCount = 1U;
m_bitErrsAccum = 0U;
m_bitsCount = 0U;
#if defined(DUMP_NXDN)
openFile();
#endif
@@ -391,13 +410,22 @@ bool CNXDNControl::processVoice(unsigned char usc, unsigned char option, unsigne
m_rfFrames = 0U;
m_rfErrs = 0U;
m_rfBits = 1U;
m_rfTimeoutTimer.start();
m_rfState = RS_RF_AUDIO;
m_minRSSI = m_rssi;
m_maxRSSI = m_rssi;
m_aveRSSI = m_rssi;
m_rssiCountTotal = 1U;
m_rssiAccum = m_rssi;
m_rssiCount = 1U;
m_bitErrsAccum = 0U;
m_bitsCount = 0U;
#if defined(DUMP_NXDN)
openFile();
#endif
@@ -493,6 +521,7 @@ bool CNXDNControl::processVoice(unsigned char usc, unsigned char option, unsigne
errors += ambe.regenerateYSFDN(data + 2U + NXDN_FSW_LICH_SACCH_LENGTH_BYTES + 27U);
m_rfErrs += errors;
m_rfBits += 188U;
writeJSONBER(188U, errors);
m_display->writeNXDNBER(float(errors) / 1.88F);
LogDebug("NXDN, AMBE FEC %u/188 (%.1f%%)", errors, float(errors) / 1.88F);
@@ -512,6 +541,7 @@ bool CNXDNControl::processVoice(unsigned char usc, unsigned char option, unsigne
errors += ambe.regenerateYSFDN(data + 2U + NXDN_FSW_LICH_SACCH_LENGTH_BYTES + 27U);
m_rfErrs += errors;
m_rfBits += 94U;
writeJSONBER(94U, errors);
m_display->writeNXDNBER(float(errors) / 0.94F);
LogDebug("NXDN, AMBE FEC %u/94 (%.1f%%)", errors, float(errors) / 0.94F);
@@ -524,6 +554,7 @@ bool CNXDNControl::processVoice(unsigned char usc, unsigned char option, unsigne
errors += ambe.regenerateYSFDN(data + 2U + NXDN_FSW_LICH_SACCH_LENGTH_BYTES + 9U);
m_rfErrs += errors;
m_rfBits += 94U;
writeJSONBER(94U, errors);
m_display->writeNXDNBER(float(errors) / 0.94F);
LogDebug("NXDN, AMBE FEC %u/94 (%.1f%%)", errors, float(errors) / 0.94F);
@@ -1159,6 +1190,46 @@ void CNXDNControl::enable(bool enabled)
m_enabled = enabled;
}
void CNXDNControl::writeJSONRSSI()
{
m_rssiAccum += m_rssi;
m_rssiCount++;
if (m_rssiCount >= RSSI_COUNT) {
nlohmann::json json;
json["timestamp"] = CUtils::createTimestamp();
json["mode"] = "NXDN";
json["value"] = -int(m_rssiAccum / m_rssiCount);
WriteJSON("RSSI", json);
m_rssiAccum = 0U;
m_rssiCount = 0U;
}
}
void CNXDNControl::writeJSONBER(unsigned int bits, unsigned int errs)
{
m_bitErrsAccum += errs;
m_bitsCount += bits;
if (m_bitsCount >= (BER_COUNT * bits)) {
nlohmann::json json;
json["timestamp"] = CUtils::createTimestamp();
json["mode"] = "NXDN";
json["value"] = float(m_bitErrsAccum * 100U) / float(m_bitsCount);
WriteJSON("BER", json);
m_bitErrsAccum = 0U;
m_bitsCount = 1U;
}
}
void CNXDNControl::writeJSONRF(const char* action, unsigned short srcId, const std::string& srcInfo, bool grp, unsigned short dstId)
{
assert(action != NULL);

7
NXDNControl.h
View File

@@ -82,7 +82,11 @@ private:
unsigned char m_maxRSSI;
unsigned char m_minRSSI;
unsigned int m_aveRSSI;
unsigned int m_rssiCountTotal;
unsigned int m_rssiAccum;
unsigned int m_rssiCount;
unsigned int m_bitsCount;
unsigned int m_bitErrsAccum;
bool m_enabled;
FILE* m_fp;
@@ -103,6 +107,9 @@ private:
bool writeFile(const unsigned char* data);
void closeFile();
void writeJSONRSSI();
void writeJSONBER(unsigned int bits, unsigned int errs);
void writeJSONRF(const char* action, unsigned short srcId, const std::string& srcInfo, bool grp, unsigned short dstId);
void writeJSONRF(const char* action, float duration, float ber);
void writeJSONRF(const char* action, float duration, float ber, unsigned char minRSSI, unsigned char maxRSSI, unsigned int aveRSSI);