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Description
Power on for LoRa chip:
pinMode(RADIO_XTAL_EN, OUTPUT);//Power LoRa moduledigitalWrite(RADIO_XTAL_EN,1);
External antenna receiving and transmitting state switching pin configuration:
Receive state:
pinMode(RADIO_RF_CRX_RX, OUTPUT);digitalWrite(RADIO_RF_CRX_RX,1);//control LoRa work to receivepinMode(RADIO_RF_CTX_PA, OUTPUT);digitalWrite(RADIO_RF_CTX_PA,0);//
Transmit state:
pinMode(RADIO_RF_CRX_RX, OUTPUT); digitalWrite(RADIO_RF_CRX_RX, 0); pinMode(RADIO_RF_CTX_PA,OUTPUT); digitalWrite(RADIO_RF_CTX_PA, 1); //control LoRa send by PA_BOOST