firmware/src/airtime.cpp
2021-12-29 00:45:36 -08:00

135 lines
3.9 KiB
C++

#include "airtime.h"
#include "NodeDB.h"
#include "configuration.h"
AirTime *airTime;
// Don't read out of this directly. Use the helper functions.
void AirTime::logAirtime(reportTypes reportType, uint32_t airtime_ms)
{
// TODO: Is the airtimes array still necessary? It's now in myNodeInfo anyway
if (reportType == TX_LOG) {
DEBUG_MSG("AirTime - Packet transmitted : %ums\n", airtime_ms);
this->airtimes.periodTX[0] = this->airtimes.periodTX[0] + airtime_ms;
myNodeInfo.air_period_tx[0] = myNodeInfo.air_period_tx[0] + airtime_ms;
} else if (reportType == RX_LOG) {
DEBUG_MSG("AirTime - Packet received : %ums\n", airtime_ms);
this->airtimes.periodRX[0] = this->airtimes.periodRX[0] + airtime_ms;
myNodeInfo.air_period_rx[0] = myNodeInfo.air_period_rx[0] + airtime_ms;
} else if (reportType == RX_ALL_LOG) {
DEBUG_MSG("AirTime - Packet received (noise?) : %ums\n", airtime_ms);
this->airtimes.periodRX_ALL[0] = this->airtimes.periodRX_ALL[0] + airtime_ms;
}
uint8_t channelUtilPeriod = (getSecondsSinceBoot() / 10) % CHANNEL_UTILIZATION_PERIODS;
this->channelUtilization[channelUtilPeriod] = channelUtilization[channelUtilPeriod] + airtime_ms;
}
uint8_t AirTime::currentPeriodIndex()
{
return ((getSecondsSinceBoot() / SECONDS_PER_PERIOD) % PERIODS_TO_LOG);
}
void AirTime::airtimeRotatePeriod()
{
if (this->airtimes.lastPeriodIndex != currentPeriodIndex()) {
DEBUG_MSG("Rotating airtimes to a new period = %u\n", currentPeriodIndex());
for (int i = PERIODS_TO_LOG - 2; i >= 0; --i) {
this->airtimes.periodTX[i + 1] = this->airtimes.periodTX[i];
this->airtimes.periodRX[i + 1] = this->airtimes.periodRX[i];
this->airtimes.periodRX_ALL[i + 1] = this->airtimes.periodRX_ALL[i];
myNodeInfo.air_period_tx[i + 1] = myNodeInfo.air_period_tx[i];
myNodeInfo.air_period_rx[i + 1] = myNodeInfo.air_period_rx[i];
}
this->airtimes.periodTX[0] = 0;
this->airtimes.periodRX[0] = 0;
this->airtimes.periodRX_ALL[0] = 0;
myNodeInfo.air_period_tx[0] = 0;
myNodeInfo.air_period_rx[0] = 0;
this->airtimes.lastPeriodIndex = currentPeriodIndex();
}
}
uint32_t *AirTime::airtimeReport(reportTypes reportType)
{
if (reportType == TX_LOG) {
return this->airtimes.periodTX;
} else if (reportType == RX_LOG) {
return this->airtimes.periodRX;
} else if (reportType == RX_ALL_LOG) {
return this->airtimes.periodRX_ALL;
}
return 0;
}
uint8_t AirTime::getPeriodsToLog()
{
return PERIODS_TO_LOG;
}
uint32_t AirTime::getSecondsPerPeriod()
{
return SECONDS_PER_PERIOD;
}
uint32_t AirTime::getSecondsSinceBoot()
{
return this->secSinceBoot;
}
float AirTime::channelUtilizationPercent()
{
uint32_t sum = 0;
for (uint32_t i = 0; i < CHANNEL_UTILIZATION_PERIODS; i++) {
sum += this->channelUtilization[i];
// DEBUG_MSG("ChanUtilArray %u %u\n", i, this->channelUtilization[i]);
}
return (float(sum) / float(CHANNEL_UTILIZATION_PERIODS * 10 * 1000)) * 100;
}
AirTime::AirTime() : concurrency::OSThread("AirTime") {}
int32_t AirTime::runOnce()
{
secSinceBoot++;
uint8_t utilPeriod = (getSecondsSinceBoot() / 10) % CHANNEL_UTILIZATION_PERIODS;
if (firstTime) {
airtimeRotatePeriod();
for (uint32_t i = 0; i < CHANNEL_UTILIZATION_PERIODS; i++) {
this->channelUtilization[i] = 0;
}
firstTime = false;
lastUtilPeriod = utilPeriod;
} else {
// Reset the channelUtilization window when we roll over
if (lastUtilPeriod != utilPeriod) {
lastUtilPeriod = utilPeriod;
this->channelUtilization[utilPeriod] = 0;
}
// Update channel_utilization every second.
myNodeInfo.channel_utilization = airTime->channelUtilizationPercent();
}
return (1000 * 1);
}