// mrf89_server.pde // -*- mode: C++ -*- // Example sketch showing how to create a simple messageing server // with the RH_MRF89 class. RH_MRF89 class does not provide for addressing or // reliability, so you should only use RH_MRF89 if you do not need the higher // level messaging abilities. // It is designed to work with the other example mrf89_client // Tested with Teensy and MRF89XAM9A #include #include // Singleton instance of the radio driver RH_MRF89 mrf89; void setup() { Serial.begin(9600); while (!Serial) ; // wait for serial port to connect. Needed for native USB if (!mrf89.init()) Serial.println("init failed"); // Default after init is 1dBm, 915.4MHz, FSK_Rb20Fd40 // But you can change that if you want: // mrf89.setTxPower(RH_MRF89_TXOPVAL_M8DBM); // Min power -8dBm // mrf89.setTxPower(RH_MRF89_TXOPVAL_13DBM); // Max power 13dBm // if (!mrf89.setFrequency(920.0)) // Serial.println("setFrequency failed"); // if (!mrf89.setModemConfig(RH_MRF89::FSK_Rb200Fd200)) // Fastest // Serial.println("setModemConfig failed"); } void loop() { if (mrf89.available()) { // Should be a message for us now uint8_t buf[RH_MRF89_MAX_MESSAGE_LEN]; uint8_t len = sizeof(buf); if (mrf89.recv(buf, &len)) { // RH_MRF89::printBuffer("request: ", buf, len); Serial.print("got request: "); Serial.println((char*)buf); // Serial.print("RSSI: "); // Serial.println(mrf89.lastRssi(), DEC); // Send a reply uint8_t data[] = "And hello back to you"; mrf89.send(data, sizeof(data)); mrf89.waitPacketSent(); Serial.println("Sent a reply"); } else { Serial.println("recv failed"); } } // delay(10000); // mrf89.printRegisters(); // while (1); }