/* RadioLib SX126x Transmit Example This example transmits packets using SX1262 LoRa radio module. Each packet contains up to 256 bytes of data, in the form of: - Arduino String - null-terminated char array (C-string) - arbitrary binary data (byte array) Other modules from SX126x family can also be used. */ // include the library #include // SX1262 module is in slot A on the shield SX1262 lora = RadioShield.ModuleA; void setup() { Serial.begin(9600); // initialize SX1262 with default settings Serial.print(F("[SX1262] Initializing ... ")); // carrier frequency: 434.0 MHz // bandwidth: 125.0 kHz // spreading factor: 9 // coding rate: 7 // sync word: 0x1424 (private network) // output power: 14 dBm // current limit: 60 mA // preamble length: 8 symbols // CRC: enabled int state = lora.begin(); if (state == ERR_NONE) { Serial.println(F("success!")); } else { Serial.print(F("failed, code ")); Serial.println(state); while (true); } // NOTE: Some SX126x modules use TCXO // (Temprature-Compensated Crystal Oscillator). // To be able to use these modules, TCXO // control must be enabled by calling // setTCXO() and specifying the reference // voltage. /* Serial.print(F("[SX1262] Setting TCXO reference ... ")); // enable TCXO // reference voltage: 1.6 V // timeout: 5000 us state = lora.setTCXO(1.6); if (state == ERR_NONE) { Serial.println(F("success!")); } else { Serial.print(F("failed, code ")); Serial.println(state); while (true); } */ } void loop() { Serial.print(F("[SX1262] Transmitting packet ... ")); // you can transmit C-string or Arduino string up to // 256 characters long // NOTE: transmit() is a blocking method! // See example SX126x_Transmit_Interrupt for details // on non-blocking transmission method. int state = lora.transmit("Hello World!"); // you can also transmit byte array up to 256 bytes long /* byte byteArr[] = {0x01, 0x23, 0x45, 0x56, 0x78, 0xAB, 0xCD, 0xEF}; int state = lora.transmit(byteArr, 8); */ if (state == ERR_NONE) { // the packet was successfully transmitted Serial.println(F(" success!")); // print measured data rate Serial.print(F("[SX1262] Datarate:\t")); Serial.print(lora.getDataRate()); Serial.println(F(" bps")); } else if (state == ERR_PACKET_TOO_LONG) { // the supplied packet was longer than 256 bytes Serial.println(F(" too long!")); } else if (state == ERR_TX_TIMEOUT) { // timeout occured while transmitting packet Serial.println(F(" timeout!")); } // wait for a second before transmitting again delay(1000); }