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Add JSON RSSI and BER reporting to M17.

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This commit is contained in:
Jonathan Naylor
2023-06-11 15:34:38 +01:00
parent e2ef49209b
commit 8bcd02b468
2 changed files with 97 additions and 7 deletions
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96
M17Control.cpp
View File

@@ -50,6 +50,9 @@ const unsigned char SCRAMBLER[] = {
0x5DU, 0x0CU, 0xC8U, 0x52U, 0x43U, 0x91U, 0x1DU, 0xF8U, 0x6EU, 0x68U, 0x2FU, 0x35U, 0xDAU, 0x14U, 0xEAU, 0xCDU, 0x76U,
0x19U, 0x8DU, 0xD5U, 0x80U, 0xD1U, 0x33U, 0x87U, 0x13U, 0x57U, 0x18U, 0x2DU, 0x29U, 0x78U, 0xC3U};
const unsigned int RSSI_COUNT = 28U; // 28 * 40ms = 1120ms
const unsigned int BER_COUNT = 28U * 272U; // 28 * 40ms = 1120ms
// #define DUMP_M17
const unsigned char BIT_MASK_TABLE[] = { 0x80U, 0x40U, 0x20U, 0x10U, 0x08U, 0x04U, 0x02U, 0x01U };
@@ -91,7 +94,11 @@ 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)
{
@@ -114,8 +121,8 @@ bool CM17Control::writeModem(unsigned char* data, unsigned int len)
if (type == TAG_LOST && (m_rfState == RS_RF_AUDIO || m_rfState == RS_RF_DATA_AUDIO)) {
if (m_rssi != 0U) {
LogMessage("M17, transmission lost from %s to %s, %.1f seconds, BER: %.1f%%, RSSI: -%u/-%u/-%u dBm", m_source.c_str(), m_dest.c_str(), float(m_rfFrames) / 25.0F, float(m_rfErrs * 100U) / float(m_rfBits), m_minRSSI, m_maxRSSI, m_aveRSSI / m_rssiCount);
writeJSONRF("lost", float(m_rfFrames) / 25.0F, float(m_rfErrs * 100U) / float(m_rfBits), m_minRSSI, m_maxRSSI, m_aveRSSI / m_rssiCount);
LogMessage("M17, transmission lost from %s to %s, %.1f seconds, BER: %.1f%%, RSSI: -%u/-%u/-%u dBm", m_source.c_str(), m_dest.c_str(), float(m_rfFrames) / 25.0F, float(m_rfErrs * 100U) / float(m_rfBits), m_minRSSI, m_maxRSSI, m_aveRSSI / m_rssiCountTotal);
writeJSONRF("lost", float(m_rfFrames) / 25.0F, float(m_rfErrs * 100U) / float(m_rfBits), m_minRSSI, m_maxRSSI, m_aveRSSI / m_rssiCountTotal);
} else {
LogMessage("M17, transmission lost from %s to %s, %.1f seconds, BER: %.1f%%", m_source.c_str(), m_dest.c_str(), float(m_rfFrames) / 25.0F, float(m_rfErrs * 100U) / float(m_rfBits));
writeJSONRF("lost", float(m_rfFrames) / 25.0F, float(m_rfErrs * 100U) / float(m_rfBits));
@@ -159,7 +166,9 @@ bool CM17Control::writeModem(unsigned char* data, unsigned int len)
m_maxRSSI = m_rssi;
m_aveRSSI += m_rssi;
m_rssiCount++;
m_rssiCountTotal++;
writeJSONRSSI();
}
unsigned char temp[M17_FRAME_LENGTH_BYTES];
@@ -190,13 +199,22 @@ bool CM17Control::writeModem(unsigned char* data, unsigned int len)
m_rfFrames = 0U;
m_rfErrs = ber;
m_rfBits = 368U;
m_rfCollectingLSF.reset();
m_rfCollectedLSF.reset();
m_rfTimeoutTimer.start();
m_minRSSI = m_rssi;
m_maxRSSI = m_rssi;
m_aveRSSI = m_rssi;
m_rssiCount = 1U;
m_rssiCountTotal = 1U;
m_rssiAccum = m_rssi;
m_rssiCount = 1U;
m_bitErrsAccum = 0U;
m_bitsCount = 0U;
m_rfLSFn = 0U;
m_rfLSFCount = 0U;
@@ -244,13 +262,22 @@ bool CM17Control::writeModem(unsigned char* data, unsigned int len)
m_rfFrames = 0U;
m_rfErrs = 0U;
m_rfBits = 1U;
m_rfCollectingLSF.reset();
m_rfCollectedLSF.reset();
m_rfTimeoutTimer.start();
m_minRSSI = m_rssi;
m_maxRSSI = m_rssi;
m_aveRSSI = m_rssi;
m_rssiCount = 1U;
m_rssiCountTotal = 1U;
m_rssiAccum = m_rssi;
m_rssiCount = 1U;
m_bitErrsAccum = 0U;
m_bitsCount = 0U;
m_rfLSFCount = 0U;
#if defined(DUMP_M17)
@@ -316,6 +343,10 @@ bool CM17Control::writeModem(unsigned char* data, unsigned int len)
m_rfBits += 272U;
m_rfErrs += errors;
m_bitErrsAccum += errors;
m_bitsCount += 272U;
writeJSONBER();
float ber = float(m_rfErrs) / float(m_rfBits);
m_display->writeM17BER(ber);
@@ -422,11 +453,11 @@ bool CM17Control::writeModem(unsigned char* data, unsigned int len)
}
if (m_rssi != 0U) {
LogMessage("M17, received RF end of transmission from %s to %s, %.1f seconds, BER: %.1f%%, RSSI: -%u/-%u/-%u dBm", m_source.c_str(), m_dest.c_str(), float(m_rfFrames) / 25.0F, float(m_rfErrs * 100U) / float(m_rfBits), m_minRSSI, m_maxRSSI, m_aveRSSI / m_rssiCount);
LogMessage("M17, received RF end of transmission from %s to %s, %.1f seconds, BER: %.1f%%, RSSI: -%u/-%u/-%u dBm", m_source.c_str(), m_dest.c_str(), float(m_rfFrames) / 25.0F, float(m_rfErrs * 100U) / float(m_rfBits), m_minRSSI, m_maxRSSI, m_aveRSSI / m_rssiCountTotal);
writeJSONRF("end", float(m_rfFrames) / 25.0F, float(m_rfErrs * 100U) / float(m_rfBits));
} else {
LogMessage("M17, received RF end of transmission from %s to %s, %.1f seconds, BER: %.1f%%", m_source.c_str(), m_dest.c_str(), float(m_rfFrames) / 25.0F, float(m_rfErrs * 100U) / float(m_rfBits));
writeJSONRF("end", float(m_rfFrames) / 25.0F, float(m_rfErrs * 100U) / float(m_rfBits), m_minRSSI, m_maxRSSI, m_aveRSSI / m_rssiCount);
writeJSONRF("end", float(m_rfFrames) / 25.0F, float(m_rfErrs * 100U) / float(m_rfBits), m_minRSSI, m_maxRSSI, m_aveRSSI / m_rssiCountTotal);
}
writeEndRF();
@@ -925,6 +956,57 @@ void CM17Control::enable(bool enabled)
m_enabled = enabled;
}
void CM17Control::writeJSONRSSI()
{
m_rssiAccum += m_rssi;
m_rssiCountTotal++;
if (m_rssiCountTotal >= RSSI_COUNT) {
nlohmann::json json;
json["timestamp"] = CUtils::createTimestamp();
json["mode"] = "M17";
json["value"] = -int(m_rssiAccum / m_rssiCountTotal);
WriteJSON("RSSI", json);
m_rssiAccum = 0U;
m_rssiCountTotal = 0U;
}
}
void CM17Control::writeJSONBER()
{
if (m_bitsCount >= BER_COUNT) {
nlohmann::json json;
json["timestamp"] = CUtils::createTimestamp();
json["mode"] = "M17";
json["value"] = float(m_bitErrsAccum * 100U) / float(m_bitsCount);
WriteJSON("BER", json);
m_bitErrsAccum = 0U;
m_bitsCount = 1U;
}
}
void CM17Control::writeJSONText(const unsigned char* text)
{
assert(text != NULL);
nlohmann::json json;
json["timestamp"] = CUtils::createTimestamp();
json["mode"] = "M17";
json["value"] = std::string((char*)text);
WriteJSON("Text", json);
}
void CM17Control::writeJSONRF(const char* action, RPT_RF_STATE state, const std::string& source, const std::string& dest)
{
assert(action != NULL);

8
M17Control.h
View File

@@ -83,7 +83,11 @@ 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;
@@ -105,6 +109,10 @@ private:
void writeEndRF();
void writeEndNet();
void writeJSONRSSI();
void writeJSONBER();
void writeJSONText(const unsigned char* text);
void writeJSONRF(const char* action, RPT_RF_STATE state, const std::string& source, const std::string& dest);
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);