/* * Author: Jon Trulson * Copyright (c) 2015 Intel Corporation. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include #include #include "sx1276.h" using namespace std; int shouldRun = true; void sig_handler(int signo) { if (signo == SIGINT) shouldRun = false; } int main(int argc, char **argv) { signal(SIGINT, sig_handler); //! [Interesting] cout << "Specify an argument to go into receive mode. Default is transmit" << endl; bool rx = false; if (argc > 1) rx = true; // Instantiate an SX1276 using default parameters upm::SX1276 *sensor = new upm::SX1276(); // 915Mhz sensor->setChannel(915000000); // LORA configuration (rx and tx must be configured the same): // Tx output power = 14 dBm // LORA bandwidth = 125000 (can also be 250K and 500K) // LORA spreading factor = 7 // LORA coding rate = 1 (4/5) // LORA preamble len = 8 // LORA symbol timeout = 5 // LORA fixed payload = false // LORA IQ inversion = false // LORA (rx) continuous Rx mode = true sensor->setTxConfig(sensor->MODEM_LORA, 14, 0, 125000, 7, 1, 8, false, true, false, 0, false); sensor->setRxConfig(sensor->MODEM_LORA, 125000, 7, 1, 0, 8, 5, false, 0, true, false, 0, false, true); int count = 0; int buflen = 64; char buffer[buflen]; while (shouldRun) { if (!rx) { snprintf(buffer, buflen, "Ping %d", count++); cout << "Sending..." << std::string(buffer) << endl; sensor->sendStr(string(buffer), 3000); sensor->setSleep(); sleep(1); } else { // receiving cout << "Attempting to receive..." << endl; int rv; if (rv = sensor->setRx(3000)) { cout << "setRx returned " << rv << endl; } else { cout << "Received Buffer: " << sensor->getRxBufferStr() << endl; } // go back to sleep when done sensor->setSleep(); usleep(5000); } } //! [Interesting] cout << "Exiting..." << endl; delete sensor; return 0; }