QString TerrestrialDeliverySystemDescriptor::toString() const
{
QString str = QString("TerrestrialDeliverySystemDescriptor: ");
str.append(QString("Frequency: %1\n").arg(FrequencyHz()));
str.append(QString(" BW=%1k, C=%2, HP=%3, LP=%4, GI=%5, TransMode=%6k")
.arg(BandwidthString())
.arg(ConstellationString())
.arg(CodeRateHPString())
.arg(CodeRateLPString())
.arg(GuardIntervalString())
.arg(TransmissionModeString()));
return str;
}
void SetLoRaParameters(int Channel, int ImplicitOrExplicit, int ErrorCoding, int Bandwidth, int SpreadingFactor, int LowDataRateOptimize)
{
writeRegister(Channel, REG_MODEM_CONFIG, ImplicitOrExplicit | ErrorCoding | Bandwidth);
writeRegister(Channel, REG_MODEM_CONFIG2, SpreadingFactor | CRC_ON);
writeRegister(Channel, REG_MODEM_CONFIG3, 0x04 | LowDataRateOptimize); // 0x04: AGC sets LNA gain
writeRegister(Channel, REG_DETECT_OPT, (readRegister(Channel, REG_DETECT_OPT) & 0xF8) | ((SpreadingFactor == SPREADING_6) ? 0x05 : 0x03)); // 0x05 For SF6; 0x03 otherwise
writeRegister(Channel, REG_DETECTION_THRESHOLD, (SpreadingFactor == SPREADING_6) ? 0x0C : 0x0A); // 0x0C for SF6, 0x0A otherwise
Config.LoRaDevices[Channel].CurrentBandwidth = Bandwidth;
ChannelPrintf(Channel, 2, 1, "%s, %s, SF%d, EC4:%d %s",
ImplicitOrExplicit == IMPLICIT_MODE ? "Implicit" : "Explicit",
BandwidthString(Bandwidth),
SpreadingFactor >> 4,
(ErrorCoding >> 1) + 4,
LowDataRateOptimize ? "LDRO" : "");
}
