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[LoRaWAN] Added timeout to downlink wait loop

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This commit is contained in:
jgromes 2024-05-08 15:29:39 +02:00
parent c494b983f5
commit d12e9f11f5
1 changed files with 13 additions and 1 deletions
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14
src/protocols/LoRaWAN/LoRaWAN.cpp
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@ -1214,8 +1214,16 @@ int16_t LoRaWANNode::downlinkCommon() {
} }
// wait for the DIO to fire indicating a downlink is received // wait for the DIO to fire indicating a downlink is received
now = mod->hal->millis();
bool downlinkComplete = true;
while(!downlinkAction) { while(!downlinkAction) {
mod->hal->yield(); mod->hal->yield();
// this should never happen, but if it does this would be an infinite loop
if(mod->hal->millis() - now > 3000UL) {
RADIOLIB_DEBUG_PROTOCOL_PRINTLN("Downlink missing!");
downlinkComplete = false;
break;
}
} }
// we have a message, clear actions, go to standby and reset the IQ inversion // we have a message, clear actions, go to standby and reset the IQ inversion
@ -1226,7 +1234,11 @@ int16_t LoRaWANNode::downlinkCommon() {
RADIOLIB_ASSERT(state); RADIOLIB_ASSERT(state);
} }
return(RADIOLIB_ERR_NONE); if(!downlinkComplete) {
state = RADIOLIB_LORAWAN_NO_DOWNLINK;
}
return(state);
} }
#if defined(RADIOLIB_BUILD_ARDUINO) #if defined(RADIOLIB_BUILD_ARDUINO)