/* * Author: Jon Trulson * Copyright (c) 2017 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 #include "rn2903.hpp" #include "upm_utilities.h" using namespace std; bool shouldRun = true; void sig_handler(int signo) { if (signo == SIGINT) shouldRun = false; } int main(int argc, char **argv) { signal(SIGINT, sig_handler); //! [Interesting] string defaultDev = "/dev/ttyUSB0"; if (argc > 1) defaultDev = argv[1]; cout << "Using device: " << defaultDev << endl; // Instantiate a RN2903 sensor on defaultDev at 57600 baud. upm::RN2903 sensor(defaultDev, RN2903_DEFAULT_BAUDRATE); // To use an internal UART understood by MRAA, use the following // to inititialize rather than the above, which by default uses a // tty path. // // upm::RN2903 sensor = upm::RN2903(0, RN2903_DEFAULT_BAUDRATE); // enable debugging // sensor.setDebug(true); // get version if (sensor.command("sys get ver")) { cout << "Failed to retrieve device version string" << endl; return 1; } cout << "Firmware version: " << sensor.getResponse() << endl; cout << "Hardware EUI: " << sensor.getHardwareEUI() << endl; // For this example, we will just try transmitting a packet over // LoRa. We reset the device to defaults, and we do not make any // adjustments to the radio configuration. You will probably want // to do so for a real life application. // The first thing to do is to suspend the LoRaWAN stack on the device. sensor.macPause(); // the default radio watchdog timer is set for 15 seconds, so we // will send a packet every 10 seconds. In reality, local // restrictions limit the amount of time on the air, so in a real // implementation, you would not want to send packets that // frequently. int count = 0; while (shouldRun) { ostringstream output; output << "Ping " << count++; // All payloads must be hex encoded string payload = sensor.toHex(output.str()); cout << "Transmitting a packet, data: '" << output.str() << "' -> hex: '" << payload << "'" << endl; RN2903_RESPONSE_T rv; rv = sensor.radioTx(payload); if (rv == RN2903_RESPONSE_OK) cout << "Transmit successful." << endl; else cout << "Transmit failed with code " << int(rv) << endl; cout << endl; upm_delay(10); } cout << "Exiting" << endl; //! [Interesting] return 0; }