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[LoRaWAN] Added ADR data rate check (#946)

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This commit is contained in:
jgromes 2024-01-27 18:47:40 +01:00
parent f109fd0158
commit f35e3282f5
1 changed files with 18 additions and 7 deletions
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25
src/protocols/LoRaWAN/LoRaWAN.cpp
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@ -2198,6 +2198,7 @@ bool LoRaWANNode::execMacCommand(LoRaWANMacCommand_t* cmd, bool saveToEeprom) {
} break;
case(RADIOLIB_LORAWAN_MAC_LINK_ADR): {
int16_t state = RADIOLIB_ERR_UNKNOWN;
// get the ADR configuration
// per spec, all these configuration should only be set if all ACKs are set, otherwise retain previous state
// but we don't bother and try to set each individual command
@ -2217,12 +2218,22 @@ bool LoRaWANNode::execMacCommand(LoRaWANMacCommand_t* cmd, bool saveToEeprom) {
cmd->payload[0] = (cmd->payload[0] & 0x0F) | (this->dataRates[RADIOLIB_LORAWAN_CHANNEL_DIR_UPLINK] << 4);
} else if (this->band->dataRates[drUp] != RADIOLIB_LORAWAN_DATA_RATE_UNUSED) {
uint8_t drDown = getDownlinkDataRate(drUp, this->rx1DrOffset, this->band->rx1DataRateBase,
this->currentChannels[RADIOLIB_LORAWAN_CHANNEL_DIR_DOWNLINK].drMin, this->currentChannels[RADIOLIB_LORAWAN_CHANNEL_DIR_DOWNLINK].drMax);
this->dataRates[RADIOLIB_LORAWAN_CHANNEL_DIR_UPLINK] = drUp;
this->dataRates[RADIOLIB_LORAWAN_CHANNEL_DIR_DOWNLINK] = drDown;
drAck = 1;
}
// check if the module supports this data rate
DataRate_t dr = { 0 };
findDataRate(drUp, &dr);
state = this->phyLayer->checkDataRate(dr);
if(state == RADIOLIB_ERR_NONE) {
uint8_t drDown = getDownlinkDataRate(drUp, this->rx1DrOffset, this->band->rx1DataRateBase,
this->currentChannels[RADIOLIB_LORAWAN_CHANNEL_DIR_DOWNLINK].drMin,
this->currentChannels[RADIOLIB_LORAWAN_CHANNEL_DIR_DOWNLINK].drMax);
this->dataRates[RADIOLIB_LORAWAN_CHANNEL_DIR_UPLINK] = drUp;
this->dataRates[RADIOLIB_LORAWAN_CHANNEL_DIR_DOWNLINK] = drDown;
drAck = 1;
} else {
RADIOLIB_DEBUG_PRINTLN("ADR failed to configure dataRate = %d!", drUp);
}
}
// try to apply the power configuration
uint8_t pwrAck = 0;
@ -2234,7 +2245,7 @@ bool LoRaWANNode::execMacCommand(LoRaWANMacCommand_t* cmd, bool saveToEeprom) {
} else {
int8_t pwr = this->txPowerMax - 2*txPower;
int16_t state = RADIOLIB_ERR_INVALID_OUTPUT_POWER;
state = RADIOLIB_ERR_INVALID_OUTPUT_POWER;
while(state == RADIOLIB_ERR_INVALID_OUTPUT_POWER) {
// go from the highest power and lower it until we hit one supported by the module
state = this->phyLayer->setOutputPower(pwr--);