/* * 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 "rn2903.h" #include "upm_utilities.h" #include "upm_platform.h" #if defined(UPM_PLATFORM_ZEPHYR) && !defined(CONFIG_STDOUT_CONSOLE) # define printf printk #endif int main(int argc, char **argv) { //! [Interesting] char *defaultDev = "/dev/ttyUSB0"; if (argc > 1) defaultDev = argv[1]; printf("Using device: %s\n", defaultDev); // Instantiate a RN2903 sensor on defaultDev at 57600 baud. #if defined(UPM_PLATFORM_ZEPHYR) rn2903_context sensor = rn2903_init(0, RN2903_DEFAULT_BAUDRATE); #else rn2903_context sensor = rn2903_init_tty(defaultDev, RN2903_DEFAULT_BAUDRATE); #endif // To use an internal UART understood by MRAA, use the following // to inititialize rather than the above, which by default uses a // tty path. // // rn2903_context sensor = rn2903_init(0, RN2903_DEFAULT_BAUDRATE); if (!sensor) { printf("rn2903_init_tty() failed.\n"); return 1; } // enable debugging // rn2903_set_debug(sensor, true); // get version if (rn2903_command(sensor, "sys get ver")) { printf("Failed to retrieve device version string\n"); rn2903_close(sensor); return 1; } printf("Firmware version: %s\n", rn2903_get_response(sensor)); printf("Hardware EUI: %s\n", rn2903_get_hardware_eui(sensor)); // we can support two types of join, OTAA and ABP. Each requires // that certain parameters be set first. We will only attempt ABP // joining with this example since it's the only one that can // succeed without actual configuration. In both cases, if you // are actually attempting to join a real LoRaWAN network, you // must change the parameters below to match the network you are // attempting to join. // For OTAA, you need to supply valid Device EUI, Application EUI, // and Application key: // // rn2903_set_device_eui(sensor, "0011223344556677"); // rn2903_set_application_eui(sensor, "0011223344556677"); // rn2903_set_application_key(sensor, "01234567012345670123456701234567"); // // RN2903_JOIN_STATUS_T rv = rn2903_join(sensor, RN2903_JOIN_TYPE_OTAA); // A successful join will return RN2903_JOIN_STATUS_ACCEPTED (0). // printf("JOIN: got rv %d\n", rv); // Try an ABP join. Note, these parameters are made up. For a // real network, you will want to use the correct values // obviously. For an ABP join, you need to supply the Device // Address, Network Session Key, and the Application Session Key. rn2903_set_device_addr(sensor, "00112233"); rn2903_set_network_session_key(sensor, "00112233001122330011223300112233"); rn2903_set_application_session_key(sensor, "00112233001122330011223300112233"); RN2903_JOIN_STATUS_T rv = rn2903_join(sensor, RN2903_JOIN_TYPE_ABP); if (rv == RN2903_JOIN_STATUS_ACCEPTED) { printf("Join successful.\n"); // All transmit payloads must be hex encoded strings, so // pretend we have a temperature sensor that gave us a value // of 25.6 C, and we want to transmit it. const char *faketemp = "25.6"; printf("Transmitting a packet....\n"); RN2903_MAC_TX_STATUS_T trv; trv = rn2903_mac_tx(sensor, RN2903_MAC_MSG_TYPE_UNCONFIRMED, 1, // port number rn2903_to_hex(sensor, faketemp, strlen(faketemp))); if (trv == RN2903_MAC_TX_STATUS_TX_OK) printf("Transmit successful.\n"); else { // check to see if we got a downlink packet if (trv == RN2903_MAC_TX_STATUS_RX_RECEIVED) { printf("Transmit successful, downlink packet received: %s\n", rn2903_get_response(sensor)); } else { printf("Transmit failed with code %d.\n", trv); } } } else { printf("Join failed with code %d.\n", rv); } printf("Exiting\n"); rn2903_close(sensor); //! [Interesting] return 0; }