Semtech / Mbed OS LoRaWAN_FAE_Training

LoRaWAN_FAE_Training

Dependencies:   X_NUCLEO_IKS01A2

main.cpp@45:96fe99f19cd0, 2019-03-12 (annotated)

Committer:
SemBen
Date:
Tue Mar 12 08:57:55 2019 +0000
Revision:
45:96fe99f19cd0
Parent:
26:f07f5febf97f
Child:
48:b02d43b5e90c
First commit for training

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:7037ed05f54f 1 /**
mbed_official 0:7037ed05f54f 2 * Copyright (c) 2017, Arm Limited and affiliates.
mbed_official 0:7037ed05f54f 3 * SPDX-License-Identifier: Apache-2.0
mbed_official 0:7037ed05f54f 4 *
mbed_official 0:7037ed05f54f 5 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 0:7037ed05f54f 6 * you may not use this file except in compliance with the License.
mbed_official 0:7037ed05f54f 7 * You may obtain a copy of the License at
mbed_official 0:7037ed05f54f 8 *
mbed_official 0:7037ed05f54f 9 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 0:7037ed05f54f 10 *
mbed_official 0:7037ed05f54f 11 * Unless required by applicable law or agreed to in writing, software
mbed_official 0:7037ed05f54f 12 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 0:7037ed05f54f 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 0:7037ed05f54f 14 * See the License for the specific language governing permissions and
mbed_official 0:7037ed05f54f 15 * limitations under the License.
mbed_official 0:7037ed05f54f 16 */
mbed_official 0:7037ed05f54f 17 #include <stdio.h>
mbed_official 3:8c7198d1a2a1 18
mbed_official 0:7037ed05f54f 19 #include "lorawan/LoRaWANInterface.h"
mbed_official 0:7037ed05f54f 20 #include "lorawan/system/lorawan_data_structures.h"
mbed_official 0:7037ed05f54f 21 #include "events/EventQueue.h"
mbed_official 0:7037ed05f54f 22
mbed_official 0:7037ed05f54f 23 // Application helpers
mbed_official 0:7037ed05f54f 24 #include "DummySensor.h"
mbed_official 0:7037ed05f54f 25 #include "trace_helper.h"
mbed_official 0:7037ed05f54f 26 #include "lora_radio_helper.h"
mbed_official 0:7037ed05f54f 27
SemBen 45:96fe99f19cd0 28 // Sensors
SemBen 45:96fe99f19cd0 29 #include "Grove_temperature.h"
SemBen 45:96fe99f19cd0 30 #include "MMA7660.h"
SemBen 45:96fe99f19cd0 31
SemBen 45:96fe99f19cd0 32 Grove_temperature temp(A1);
SemBen 45:96fe99f19cd0 33 MMA7660 accelemeter;
SemBen 45:96fe99f19cd0 34
mbed_official 0:7037ed05f54f 35 using namespace events;
mbed_official 0:7037ed05f54f 36
mbed_official 12:5015dfead3f2 37 // Max payload size can be LORAMAC_PHY_MAXPAYLOAD.
mbed_official 12:5015dfead3f2 38 // This example only communicates with much shorter messages (<30 bytes).
mbed_official 12:5015dfead3f2 39 // If longer messages are used, these buffers must be changed accordingly.
mbed_official 12:5015dfead3f2 40 uint8_t tx_buffer[30];
mbed_official 12:5015dfead3f2 41 uint8_t rx_buffer[30];
mbed_official 0:7037ed05f54f 42
mbed_official 0:7037ed05f54f 43 /*
mbed_official 0:7037ed05f54f 44 * Sets up an application dependent transmission timer in ms. Used only when Duty Cycling is off for testing
mbed_official 0:7037ed05f54f 45 */
mbed_official 0:7037ed05f54f 46 #define TX_TIMER 10000
mbed_official 0:7037ed05f54f 47
mbed_official 0:7037ed05f54f 48 /**
mbed_official 0:7037ed05f54f 49 * Maximum number of events for the event queue.
mbed_official 12:5015dfead3f2 50 * 10 is the safe number for the stack events, however, if application
mbed_official 0:7037ed05f54f 51 * also uses the queue for whatever purposes, this number should be increased.
mbed_official 0:7037ed05f54f 52 */
mbed_official 12:5015dfead3f2 53 #define MAX_NUMBER_OF_EVENTS 10
mbed_official 0:7037ed05f54f 54
mbed_official 0:7037ed05f54f 55 /**
mbed_official 0:7037ed05f54f 56 * Maximum number of retries for CONFIRMED messages before giving up
mbed_official 0:7037ed05f54f 57 */
mbed_official 0:7037ed05f54f 58 #define CONFIRMED_MSG_RETRY_COUNTER 3
mbed_official 0:7037ed05f54f 59
mbed_official 0:7037ed05f54f 60 /**
mbed_official 0:7037ed05f54f 61 * Dummy pin for dummy sensor
mbed_official 0:7037ed05f54f 62 */
mbed_official 0:7037ed05f54f 63 #define PC_9 0
mbed_official 0:7037ed05f54f 64
mbed_official 0:7037ed05f54f 65 /**
mbed_official 0:7037ed05f54f 66 * Dummy sensor class object
mbed_official 0:7037ed05f54f 67 */
mbed_official 0:7037ed05f54f 68 DS1820 ds1820(PC_9);
mbed_official 0:7037ed05f54f 69
mbed_official 0:7037ed05f54f 70 /**
mbed_official 0:7037ed05f54f 71 * This event queue is the global event queue for both the
mbed_official 0:7037ed05f54f 72 * application and stack. To conserve memory, the stack is designed to run
mbed_official 0:7037ed05f54f 73 * in the same thread as the application and the application is responsible for
mbed_official 0:7037ed05f54f 74 * providing an event queue to the stack that will be used for ISR deferment as
mbed_official 0:7037ed05f54f 75 * well as application information event queuing.
mbed_official 0:7037ed05f54f 76 */
mbed_official 0:7037ed05f54f 77 static EventQueue ev_queue(MAX_NUMBER_OF_EVENTS * EVENTS_EVENT_SIZE);
mbed_official 0:7037ed05f54f 78
mbed_official 0:7037ed05f54f 79 /**
mbed_official 0:7037ed05f54f 80 * Event handler.
mbed_official 0:7037ed05f54f 81 *
mbed_official 0:7037ed05f54f 82 * This will be passed to the LoRaWAN stack to queue events for the
mbed_official 0:7037ed05f54f 83 * application which in turn drive the application.
mbed_official 0:7037ed05f54f 84 */
mbed_official 0:7037ed05f54f 85 static void lora_event_handler(lorawan_event_t event);
mbed_official 0:7037ed05f54f 86
mbed_official 0:7037ed05f54f 87 /**
mbed_official 2:dc95ac6d6d4e 88 * Constructing Mbed LoRaWANInterface and passing it down the radio object.
mbed_official 0:7037ed05f54f 89 */
mbed_official 2:dc95ac6d6d4e 90 static LoRaWANInterface lorawan(radio);
mbed_official 0:7037ed05f54f 91
mbed_official 0:7037ed05f54f 92 /**
mbed_official 0:7037ed05f54f 93 * Application specific callbacks
mbed_official 0:7037ed05f54f 94 */
mbed_official 0:7037ed05f54f 95 static lorawan_app_callbacks_t callbacks;
mbed_official 0:7037ed05f54f 96
mbed_official 0:7037ed05f54f 97 /**
mbed_official 0:7037ed05f54f 98 * Entry point for application
mbed_official 0:7037ed05f54f 99 */
mbed_official 0:7037ed05f54f 100 int main (void)
mbed_official 0:7037ed05f54f 101 {
mbed_official 0:7037ed05f54f 102 // setup tracing
mbed_official 0:7037ed05f54f 103 setup_trace();
mbed_official 0:7037ed05f54f 104
mbed_official 0:7037ed05f54f 105 // stores the status of a call to LoRaWAN protocol
mbed_official 0:7037ed05f54f 106 lorawan_status_t retcode;
SemBen 45:96fe99f19cd0 107
SemBen 45:96fe99f19cd0 108 //Initialise accelerometer (if plugged)
SemBen 45:96fe99f19cd0 109 accelemeter.init();
mbed_official 0:7037ed05f54f 110
mbed_official 0:7037ed05f54f 111 // Initialize LoRaWAN stack
mbed_official 2:dc95ac6d6d4e 112 if (lorawan.initialize(&ev_queue) != LORAWAN_STATUS_OK) {
mbed_official 0:7037ed05f54f 113 printf("\r\n LoRa initialization failed! \r\n");
mbed_official 0:7037ed05f54f 114 return -1;
mbed_official 0:7037ed05f54f 115 }
mbed_official 0:7037ed05f54f 116
mbed_official 0:7037ed05f54f 117 printf("\r\n Mbed LoRaWANStack initialized \r\n");
mbed_official 0:7037ed05f54f 118
mbed_official 0:7037ed05f54f 119 // prepare application callbacks
mbed_official 0:7037ed05f54f 120 callbacks.events = mbed::callback(lora_event_handler);
mbed_official 2:dc95ac6d6d4e 121 lorawan.add_app_callbacks(&callbacks);
mbed_official 0:7037ed05f54f 122
mbed_official 0:7037ed05f54f 123 // Set number of retries in case of CONFIRMED messages
mbed_official 2:dc95ac6d6d4e 124 if (lorawan.set_confirmed_msg_retries(CONFIRMED_MSG_RETRY_COUNTER)
mbed_official 0:7037ed05f54f 125 != LORAWAN_STATUS_OK) {
mbed_official 0:7037ed05f54f 126 printf("\r\n set_confirmed_msg_retries failed! \r\n\r\n");
mbed_official 0:7037ed05f54f 127 return -1;
mbed_official 0:7037ed05f54f 128 }
mbed_official 0:7037ed05f54f 129
mbed_official 0:7037ed05f54f 130 printf("\r\n CONFIRMED message retries : %d \r\n",
mbed_official 0:7037ed05f54f 131 CONFIRMED_MSG_RETRY_COUNTER);
mbed_official 0:7037ed05f54f 132
mbed_official 0:7037ed05f54f 133 // Enable adaptive data rate
mbed_official 2:dc95ac6d6d4e 134 if (lorawan.enable_adaptive_datarate() != LORAWAN_STATUS_OK) {
mbed_official 0:7037ed05f54f 135 printf("\r\n enable_adaptive_datarate failed! \r\n");
mbed_official 0:7037ed05f54f 136 return -1;
mbed_official 0:7037ed05f54f 137 }
mbed_official 0:7037ed05f54f 138
mbed_official 0:7037ed05f54f 139 printf("\r\n Adaptive data rate (ADR) - Enabled \r\n");
mbed_official 0:7037ed05f54f 140
mbed_official 2:dc95ac6d6d4e 141 retcode = lorawan.connect();
mbed_official 0:7037ed05f54f 142
mbed_official 0:7037ed05f54f 143 if (retcode == LORAWAN_STATUS_OK ||
mbed_official 0:7037ed05f54f 144 retcode == LORAWAN_STATUS_CONNECT_IN_PROGRESS) {
mbed_official 0:7037ed05f54f 145 } else {
mbed_official 0:7037ed05f54f 146 printf("\r\n Connection error, code = %d \r\n", retcode);
mbed_official 0:7037ed05f54f 147 return -1;
mbed_official 0:7037ed05f54f 148 }
mbed_official 0:7037ed05f54f 149
mbed_official 0:7037ed05f54f 150 printf("\r\n Connection - In Progress ...\r\n");
mbed_official 0:7037ed05f54f 151
mbed_official 0:7037ed05f54f 152 // make your event queue dispatching events forever
mbed_official 0:7037ed05f54f 153 ev_queue.dispatch_forever();
mbed_official 3:8c7198d1a2a1 154
mbed_official 3:8c7198d1a2a1 155 return 0;
mbed_official 0:7037ed05f54f 156 }
mbed_official 0:7037ed05f54f 157
mbed_official 0:7037ed05f54f 158 /**
mbed_official 0:7037ed05f54f 159 * Sends a message to the Network Server
mbed_official 0:7037ed05f54f 160 */
mbed_official 0:7037ed05f54f 161 static void send_message()
mbed_official 0:7037ed05f54f 162 {
SemBen 45:96fe99f19cd0 163 uint16_t packet_len, Temperature, axConverted, ayConverted, azConverted;
mbed_official 0:7037ed05f54f 164 int16_t retcode;
mbed_official 0:7037ed05f54f 165 float sensor_value;
SemBen 45:96fe99f19cd0 166 float ax,ay,az;
mbed_official 0:7037ed05f54f 167
mbed_official 0:7037ed05f54f 168 if (ds1820.begin()) {
mbed_official 0:7037ed05f54f 169 ds1820.startConversion();
mbed_official 0:7037ed05f54f 170 sensor_value = ds1820.read();
mbed_official 0:7037ed05f54f 171 printf("\r\n Dummy Sensor Value = %3.1f \r\n", sensor_value);
mbed_official 0:7037ed05f54f 172 ds1820.startConversion();
mbed_official 0:7037ed05f54f 173 } else {
mbed_official 0:7037ed05f54f 174 printf("\r\n No sensor found \r\n");
mbed_official 0:7037ed05f54f 175 return;
mbed_official 0:7037ed05f54f 176 }
mbed_official 0:7037ed05f54f 177
mbed_official 0:7037ed05f54f 178 packet_len = sprintf((char*) tx_buffer, "Dummy Sensor Value is %3.1f",
mbed_official 0:7037ed05f54f 179 sensor_value);
SemBen 45:96fe99f19cd0 180
SemBen 45:96fe99f19cd0 181 /* Grove Temperature Sensor */
SemBen 45:96fe99f19cd0 182 // sensor_value = temp.getTemperature();
SemBen 45:96fe99f19cd0 183 // printf("temperature = %2.2f\n", sensor_value);
SemBen 45:96fe99f19cd0 184 // Temperature = (uint16_t)sensor_value * 100;
SemBen 45:96fe99f19cd0 185 // tx_buffer[0]=0x01; //Temperature
SemBen 45:96fe99f19cd0 186 // tx_buffer[1]=0x02; // Len
SemBen 45:96fe99f19cd0 187 // tx_buffer[2]=Temperature & 0xFF; // Temp LSB
SemBen 45:96fe99f19cd0 188 // tx_buffer[3]=(Temperature >> 16) & 0xFF; // Temp MSB
SemBen 45:96fe99f19cd0 189 // packet_len = 4;
SemBen 45:96fe99f19cd0 190
SemBen 45:96fe99f19cd0 191 /* Grove Accelerometer Sensor */
SemBen 45:96fe99f19cd0 192 // accelemeter.getAcceleration(&ax,&ay,&az);
SemBen 45:96fe99f19cd0 193 // printf("Accleration of X=%2.2fg, Y=%2.2fg, Z=%2.2fg\n\r",ax,ay,az);
SemBen 45:96fe99f19cd0 194 // tx_buffer[0]=0x02; //Acceleration
SemBen 45:96fe99f19cd0 195 // tx_buffer[1]=0x06; // Len
SemBen 45:96fe99f19cd0 196 // axConverted = ax * 100;
SemBen 45:96fe99f19cd0 197 // tx_buffer[2]=(axConverted & 0xFF); // x axe LSB
SemBen 45:96fe99f19cd0 198 // tx_buffer[3]=((axConverted >> 16) & 0xFF); // x axe MSB
SemBen 45:96fe99f19cd0 199 // ayConverted = ay * 100;
SemBen 45:96fe99f19cd0 200 // tx_buffer[4]=(ayConverted & 0xFF); // y axe LSB
SemBen 45:96fe99f19cd0 201 // tx_buffer[5]=((ayConverted >> 16) & 0xFF); // y axe MSB
SemBen 45:96fe99f19cd0 202 // azConverted = az * 100;
SemBen 45:96fe99f19cd0 203 // tx_buffer[6]=(azConverted & 0xFF); // x axe LSB
SemBen 45:96fe99f19cd0 204 // tx_buffer[7]=((azConverted >> 16) & 0xFF); // x axe MSB
SemBen 45:96fe99f19cd0 205 // packet_len = 8;
mbed_official 0:7037ed05f54f 206
mbed_official 2:dc95ac6d6d4e 207 retcode = lorawan.send(MBED_CONF_LORA_APP_PORT, tx_buffer, packet_len,
SemBen 45:96fe99f19cd0 208 MSG_UNCONFIRMED_FLAG);
mbed_official 0:7037ed05f54f 209
mbed_official 0:7037ed05f54f 210 if (retcode < 0) {
mbed_official 0:7037ed05f54f 211 retcode == LORAWAN_STATUS_WOULD_BLOCK ? printf("send - WOULD BLOCK\r\n")
mbed_official 0:7037ed05f54f 212 : printf("\r\n send() - Error code %d \r\n", retcode);
mbed_official 26:f07f5febf97f 213
mbed_official 26:f07f5febf97f 214 if (retcode == LORAWAN_STATUS_WOULD_BLOCK) {
mbed_official 26:f07f5febf97f 215 //retry in 3 seconds
mbed_official 26:f07f5febf97f 216 if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
mbed_official 26:f07f5febf97f 217 ev_queue.call_in(3000, send_message);
mbed_official 26:f07f5febf97f 218 }
mbed_official 26:f07f5febf97f 219 }
mbed_official 0:7037ed05f54f 220 return;
mbed_official 0:7037ed05f54f 221 }
mbed_official 0:7037ed05f54f 222
mbed_official 0:7037ed05f54f 223 printf("\r\n %d bytes scheduled for transmission \r\n", retcode);
mbed_official 12:5015dfead3f2 224 memset(tx_buffer, 0, sizeof(tx_buffer));
mbed_official 0:7037ed05f54f 225 }
mbed_official 0:7037ed05f54f 226
mbed_official 0:7037ed05f54f 227 /**
mbed_official 0:7037ed05f54f 228 * Receive a message from the Network Server
mbed_official 0:7037ed05f54f 229 */
mbed_official 0:7037ed05f54f 230 static void receive_message()
mbed_official 0:7037ed05f54f 231 {
mbed_official 0:7037ed05f54f 232 int16_t retcode;
mbed_official 2:dc95ac6d6d4e 233 retcode = lorawan.receive(MBED_CONF_LORA_APP_PORT, rx_buffer,
mbed_official 12:5015dfead3f2 234 sizeof(rx_buffer),
mbed_official 0:7037ed05f54f 235 MSG_CONFIRMED_FLAG|MSG_UNCONFIRMED_FLAG);
mbed_official 0:7037ed05f54f 236
mbed_official 0:7037ed05f54f 237 if (retcode < 0) {
mbed_official 0:7037ed05f54f 238 printf("\r\n receive() - Error code %d \r\n", retcode);
mbed_official 0:7037ed05f54f 239 return;
mbed_official 0:7037ed05f54f 240 }
mbed_official 0:7037ed05f54f 241
mbed_official 0:7037ed05f54f 242 printf(" Data:");
mbed_official 0:7037ed05f54f 243
mbed_official 0:7037ed05f54f 244 for (uint8_t i = 0; i < retcode; i++) {
mbed_official 0:7037ed05f54f 245 printf("%x", rx_buffer[i]);
mbed_official 0:7037ed05f54f 246 }
mbed_official 0:7037ed05f54f 247
mbed_official 0:7037ed05f54f 248 printf("\r\n Data Length: %d\r\n", retcode);
mbed_official 0:7037ed05f54f 249
mbed_official 12:5015dfead3f2 250 memset(rx_buffer, 0, sizeof(rx_buffer));
mbed_official 0:7037ed05f54f 251 }
mbed_official 0:7037ed05f54f 252
mbed_official 0:7037ed05f54f 253 /**
mbed_official 0:7037ed05f54f 254 * Event handler
mbed_official 0:7037ed05f54f 255 */
mbed_official 0:7037ed05f54f 256 static void lora_event_handler(lorawan_event_t event)
mbed_official 0:7037ed05f54f 257 {
mbed_official 0:7037ed05f54f 258 switch (event) {
mbed_official 0:7037ed05f54f 259 case CONNECTED:
mbed_official 0:7037ed05f54f 260 printf("\r\n Connection - Successful \r\n");
mbed_official 0:7037ed05f54f 261 if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
mbed_official 0:7037ed05f54f 262 send_message();
mbed_official 0:7037ed05f54f 263 } else {
mbed_official 0:7037ed05f54f 264 ev_queue.call_every(TX_TIMER, send_message);
mbed_official 0:7037ed05f54f 265 }
mbed_official 0:7037ed05f54f 266
mbed_official 0:7037ed05f54f 267 break;
mbed_official 0:7037ed05f54f 268 case DISCONNECTED:
mbed_official 0:7037ed05f54f 269 ev_queue.break_dispatch();
mbed_official 0:7037ed05f54f 270 printf("\r\n Disconnected Successfully \r\n");
mbed_official 0:7037ed05f54f 271 break;
mbed_official 0:7037ed05f54f 272 case TX_DONE:
mbed_official 0:7037ed05f54f 273 printf("\r\n Message Sent to Network Server \r\n");
mbed_official 0:7037ed05f54f 274 if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
mbed_official 0:7037ed05f54f 275 send_message();
mbed_official 0:7037ed05f54f 276 }
mbed_official 0:7037ed05f54f 277 break;
mbed_official 0:7037ed05f54f 278 case TX_TIMEOUT:
mbed_official 0:7037ed05f54f 279 case TX_ERROR:
mbed_official 0:7037ed05f54f 280 case TX_CRYPTO_ERROR:
mbed_official 0:7037ed05f54f 281 case TX_SCHEDULING_ERROR:
mbed_official 0:7037ed05f54f 282 printf("\r\n Transmission Error - EventCode = %d \r\n", event);
mbed_official 0:7037ed05f54f 283 // try again
mbed_official 0:7037ed05f54f 284 if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
mbed_official 0:7037ed05f54f 285 send_message();
mbed_official 0:7037ed05f54f 286 }
mbed_official 0:7037ed05f54f 287 break;
mbed_official 0:7037ed05f54f 288 case RX_DONE:
mbed_official 0:7037ed05f54f 289 printf("\r\n Received message from Network Server \r\n");
mbed_official 0:7037ed05f54f 290 receive_message();
mbed_official 0:7037ed05f54f 291 break;
mbed_official 0:7037ed05f54f 292 case RX_TIMEOUT:
mbed_official 0:7037ed05f54f 293 case RX_ERROR:
mbed_official 0:7037ed05f54f 294 printf("\r\n Error in reception - Code = %d \r\n", event);
mbed_official 0:7037ed05f54f 295 break;
mbed_official 0:7037ed05f54f 296 case JOIN_FAILURE:
mbed_official 0:7037ed05f54f 297 printf("\r\n OTAA Failed - Check Keys \r\n");
mbed_official 0:7037ed05f54f 298 break;
mbed_official 26:f07f5febf97f 299 case UPLINK_REQUIRED:
mbed_official 26:f07f5febf97f 300 printf("\r\n Uplink required by NS \r\n");
mbed_official 26:f07f5febf97f 301 if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
mbed_official 26:f07f5febf97f 302 send_message();
mbed_official 26:f07f5febf97f 303 }
mbed_official 26:f07f5febf97f 304 break;
mbed_official 0:7037ed05f54f 305 default:
mbed_official 0:7037ed05f54f 306 MBED_ASSERT("Unknown Event");
mbed_official 0:7037ed05f54f 307 }
mbed_official 0:7037ed05f54f 308 }
mbed_official 0:7037ed05f54f 309
mbed_official 0:7037ed05f54f 310 // EOF