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Update M5_LoRaWAN.cpp #6

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Update M5_LoRaWAN.cpp #6

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23 changes: 12 additions & 11 deletions src/M5_LoRaWAN.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -44,17 +44,18 @@ bool M5_LoRaWAN::checkJoinStatus() {
* @param time Waiting time (milliseconds)
* @return Received messages */
String M5_LoRaWAN::waitMsg(unsigned long time) {
String restr;
unsigned long start = millis();
while (1) {
if (_serial->available() || (millis() - start) < time) {
String str = _serial->readString();
restr += str;
} else {
break;
}
unsigned long start = millis();
String str;
while (1) {
if ((millis() - start) > time) {
start = millis();
String cmd = "AT+DRX=?\r\n";
writeCMD(cmd);
str = _serial->readString();
break;
}
return restr;
}
return str;
}

/*! @brief Send an AT command
Expand Down Expand Up @@ -170,4 +171,4 @@ String M5_LoRaWAN::decodeMsg(String hexEncoded) {
} else {
return hexEncoded;
}
}
}