philippe laurent / Mbed OS res3_20_21_lorawan_base

code base MDOT lorawan

Dependencies:   Servo Cayenne-LPP

main.cpp@59:7b58c5775a56, 2020-01-27 (annotated)

Committer:
superphil06
Date:
Mon Jan 27 13:55:34 2020 +0000
Revision:
59:7b58c5775a56
Parent:
58:81c66fac6476
Child:
61:3cb7cf8226cf
programme de base ers4 mdot

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>
superphil06 58:81c66fac6476 18 #include "th02.h"
superphil06 57:5ec0379d69d6 19 #include "CayenneLPP.h"
mbed_official 0:7037ed05f54f 20 #include "lorawan/LoRaWANInterface.h"
mbed_official 0:7037ed05f54f 21 #include "lorawan/system/lorawan_data_structures.h"
mbed_official 0:7037ed05f54f 22 #include "events/EventQueue.h"
mbed_official 0:7037ed05f54f 23
mbed_official 0:7037ed05f54f 24 // Application helpers
mbed_official 0:7037ed05f54f 25 #include "DummySensor.h"
mbed_official 0:7037ed05f54f 26 #include "trace_helper.h"
mbed_official 0:7037ed05f54f 27 #include "lora_radio_helper.h"
superphil06 58:81c66fac6476 28 #include "Servo.h"
mbed_official 0:7037ed05f54f 29
mbed_official 0:7037ed05f54f 30 using namespace events;
mbed_official 0:7037ed05f54f 31
mbed_official 12:5015dfead3f2 32 // Max payload size can be LORAMAC_PHY_MAXPAYLOAD.
mbed_official 12:5015dfead3f2 33 // This example only communicates with much shorter messages (<30 bytes).
mbed_official 12:5015dfead3f2 34 // If longer messages are used, these buffers must be changed accordingly.
mbed_official 12:5015dfead3f2 35 uint8_t tx_buffer[30];
mbed_official 12:5015dfead3f2 36 uint8_t rx_buffer[30];
mbed_official 0:7037ed05f54f 37
superphil06 57:5ec0379d69d6 38 #define MAX_SIZE 200 // depends on spreading factor and frequency used
superphil06 57:5ec0379d69d6 39
superphil06 57:5ec0379d69d6 40 CayenneLPP Payload(MAX_SIZE);
superphil06 57:5ec0379d69d6 41
superphil06 57:5ec0379d69d6 42 float celsius = -4.1;
superphil06 57:5ec0379d69d6 43 float accel[] = {1.234, -1.234, 0};
superphil06 57:5ec0379d69d6 44 float rh = 30;
superphil06 57:5ec0379d69d6 45 float hpa = 1014.1;
superphil06 57:5ec0379d69d6 46 float latitude = 42.3519;
superphil06 57:5ec0379d69d6 47 float longitude = -87.9094;
superphil06 57:5ec0379d69d6 48 float altitude=10;
superphil06 57:5ec0379d69d6 49
superphil06 57:5ec0379d69d6 50 int size = 0;
superphil06 57:5ec0379d69d6 51
superphil06 57:5ec0379d69d6 52
superphil06 58:81c66fac6476 53 DigitalOut Alarme (PC_13);// alarme LED output
superphil06 58:81c66fac6476 54 Servo Myservo(PA_7); //servomotor output
superphil06 58:81c66fac6476 55 TH02 MyTH02 (I2C_SDA,I2C_SCL,TH02_I2C_ADDR<<1);// connect hsensor on RX2 TX2
mbed_official 0:7037ed05f54f 56 /*
mbed_official 0:7037ed05f54f 57 * Sets up an application dependent transmission timer in ms. Used only when Duty Cycling is off for testing
mbed_official 0:7037ed05f54f 58 */
superphil06 59:7b58c5775a56 59 #define TX_TIMER 20000
mbed_official 0:7037ed05f54f 60
mbed_official 0:7037ed05f54f 61 /**
mbed_official 0:7037ed05f54f 62 * Maximum number of events for the event queue.
mbed_official 12:5015dfead3f2 63 * 10 is the safe number for the stack events, however, if application
mbed_official 0:7037ed05f54f 64 * also uses the queue for whatever purposes, this number should be increased.
mbed_official 0:7037ed05f54f 65 */
superphil06 59:7b58c5775a56 66 #define MAX_NUMBER_OF_EVENTS 30
mbed_official 0:7037ed05f54f 67
mbed_official 0:7037ed05f54f 68 /**
mbed_official 0:7037ed05f54f 69 * Maximum number of retries for CONFIRMED messages before giving up
mbed_official 0:7037ed05f54f 70 */
mbed_official 0:7037ed05f54f 71 #define CONFIRMED_MSG_RETRY_COUNTER 3
mbed_official 0:7037ed05f54f 72
mbed_official 0:7037ed05f54f 73 /**
mbed_official 0:7037ed05f54f 74 * Dummy pin for dummy sensor
mbed_official 0:7037ed05f54f 75 */
mbed_official 0:7037ed05f54f 76 #define PC_9 0
mbed_official 0:7037ed05f54f 77
mbed_official 0:7037ed05f54f 78 /**
mbed_official 0:7037ed05f54f 79 * Dummy sensor class object
mbed_official 0:7037ed05f54f 80 */
mbed_official 0:7037ed05f54f 81 DS1820 ds1820(PC_9);
mbed_official 0:7037ed05f54f 82
mbed_official 0:7037ed05f54f 83 /**
mbed_official 0:7037ed05f54f 84 * This event queue is the global event queue for both the
mbed_official 0:7037ed05f54f 85 * application and stack. To conserve memory, the stack is designed to run
mbed_official 0:7037ed05f54f 86 * in the same thread as the application and the application is responsible for
mbed_official 0:7037ed05f54f 87 * providing an event queue to the stack that will be used for ISR deferment as
mbed_official 0:7037ed05f54f 88 * well as application information event queuing.
mbed_official 0:7037ed05f54f 89 */
mbed_official 46:a124538e2891 90 static EventQueue ev_queue(MAX_NUMBER_OF_EVENTS *EVENTS_EVENT_SIZE);
mbed_official 0:7037ed05f54f 91
mbed_official 0:7037ed05f54f 92 /**
mbed_official 0:7037ed05f54f 93 * Event handler.
mbed_official 0:7037ed05f54f 94 *
mbed_official 0:7037ed05f54f 95 * This will be passed to the LoRaWAN stack to queue events for the
mbed_official 0:7037ed05f54f 96 * application which in turn drive the application.
mbed_official 0:7037ed05f54f 97 */
mbed_official 0:7037ed05f54f 98 static void lora_event_handler(lorawan_event_t event);
mbed_official 0:7037ed05f54f 99
mbed_official 0:7037ed05f54f 100 /**
mbed_official 46:a124538e2891 101 * Constructing Mbed LoRaWANInterface and passing it the radio object from lora_radio_helper.
mbed_official 0:7037ed05f54f 102 */
mbed_official 2:dc95ac6d6d4e 103 static LoRaWANInterface lorawan(radio);
mbed_official 0:7037ed05f54f 104
mbed_official 0:7037ed05f54f 105 /**
mbed_official 0:7037ed05f54f 106 * Application specific callbacks
mbed_official 0:7037ed05f54f 107 */
mbed_official 0:7037ed05f54f 108 static lorawan_app_callbacks_t callbacks;
mbed_official 0:7037ed05f54f 109
superphil06 58:81c66fac6476 110 void servo(uint8_t uAngle)
superphil06 58:81c66fac6476 111 {
superphil06 58:81c66fac6476 112
superphil06 58:81c66fac6476 113 }
superphil06 58:81c66fac6476 114
superphil06 58:81c66fac6476 115
superphil06 58:81c66fac6476 116
mbed_official 0:7037ed05f54f 117 /**
mbed_official 0:7037ed05f54f 118 * Entry point for application
mbed_official 0:7037ed05f54f 119 */
mbed_official 46:a124538e2891 120 int main(void)
mbed_official 0:7037ed05f54f 121 {
mbed_official 0:7037ed05f54f 122 // setup tracing
mbed_official 0:7037ed05f54f 123 setup_trace();
superphil06 58:81c66fac6476 124 // th02 temerature sensor section
superphil06 58:81c66fac6476 125 int iTemp,iTime,iTempbrute,iRH,iRHbrute;
superphil06 58:81c66fac6476 126 printf ("\n\r start reading TH02 for first time");
superphil06 58:81c66fac6476 127 MyTH02.startTempConv(true,true);
superphil06 58:81c66fac6476 128
superphil06 58:81c66fac6476 129
superphil06 58:81c66fac6476 130
mbed_official 0:7037ed05f54f 131
mbed_official 0:7037ed05f54f 132 // stores the status of a call to LoRaWAN protocol
mbed_official 0:7037ed05f54f 133 lorawan_status_t retcode;
mbed_official 0:7037ed05f54f 134
mbed_official 0:7037ed05f54f 135 // Initialize LoRaWAN stack
mbed_official 2:dc95ac6d6d4e 136 if (lorawan.initialize(&ev_queue) != LORAWAN_STATUS_OK) {
mbed_official 0:7037ed05f54f 137 printf("\r\n LoRa initialization failed! \r\n");
mbed_official 0:7037ed05f54f 138 return -1;
mbed_official 0:7037ed05f54f 139 }
mbed_official 0:7037ed05f54f 140
mbed_official 0:7037ed05f54f 141 printf("\r\n Mbed LoRaWANStack initialized \r\n");
mbed_official 0:7037ed05f54f 142
mbed_official 0:7037ed05f54f 143 // prepare application callbacks
mbed_official 0:7037ed05f54f 144 callbacks.events = mbed::callback(lora_event_handler);
mbed_official 2:dc95ac6d6d4e 145 lorawan.add_app_callbacks(&callbacks);
mbed_official 0:7037ed05f54f 146
mbed_official 0:7037ed05f54f 147 // Set number of retries in case of CONFIRMED messages
mbed_official 2:dc95ac6d6d4e 148 if (lorawan.set_confirmed_msg_retries(CONFIRMED_MSG_RETRY_COUNTER)
mbed_official 46:a124538e2891 149 != LORAWAN_STATUS_OK) {
mbed_official 0:7037ed05f54f 150 printf("\r\n set_confirmed_msg_retries failed! \r\n\r\n");
mbed_official 0:7037ed05f54f 151 return -1;
mbed_official 0:7037ed05f54f 152 }
mbed_official 0:7037ed05f54f 153
mbed_official 0:7037ed05f54f 154 printf("\r\n CONFIRMED message retries : %d \r\n",
mbed_official 0:7037ed05f54f 155 CONFIRMED_MSG_RETRY_COUNTER);
mbed_official 0:7037ed05f54f 156
mbed_official 0:7037ed05f54f 157 // Enable adaptive data rate
mbed_official 2:dc95ac6d6d4e 158 if (lorawan.enable_adaptive_datarate() != LORAWAN_STATUS_OK) {
mbed_official 0:7037ed05f54f 159 printf("\r\n enable_adaptive_datarate failed! \r\n");
mbed_official 0:7037ed05f54f 160 return -1;
mbed_official 0:7037ed05f54f 161 }
mbed_official 0:7037ed05f54f 162
mbed_official 0:7037ed05f54f 163 printf("\r\n Adaptive data rate (ADR) - Enabled \r\n");
mbed_official 0:7037ed05f54f 164
mbed_official 2:dc95ac6d6d4e 165 retcode = lorawan.connect();
mbed_official 0:7037ed05f54f 166
mbed_official 0:7037ed05f54f 167 if (retcode == LORAWAN_STATUS_OK ||
mbed_official 46:a124538e2891 168 retcode == LORAWAN_STATUS_CONNECT_IN_PROGRESS) {
mbed_official 0:7037ed05f54f 169 } else {
mbed_official 0:7037ed05f54f 170 printf("\r\n Connection error, code = %d \r\n", retcode);
mbed_official 0:7037ed05f54f 171 return -1;
mbed_official 0:7037ed05f54f 172 }
mbed_official 0:7037ed05f54f 173
mbed_official 0:7037ed05f54f 174 printf("\r\n Connection - In Progress ...\r\n");
mbed_official 0:7037ed05f54f 175
mbed_official 0:7037ed05f54f 176 // make your event queue dispatching events forever
mbed_official 0:7037ed05f54f 177 ev_queue.dispatch_forever();
mbed_official 3:8c7198d1a2a1 178
mbed_official 3:8c7198d1a2a1 179 return 0;
mbed_official 0:7037ed05f54f 180 }
mbed_official 0:7037ed05f54f 181
mbed_official 0:7037ed05f54f 182 /**
mbed_official 0:7037ed05f54f 183 * Sends a message to the Network Server
mbed_official 0:7037ed05f54f 184 */
mbed_official 0:7037ed05f54f 185 static void send_message()
superphil06 58:81c66fac6476 186 {int iTime,iTempbrute,iRHbrute;
superphil06 58:81c66fac6476 187 uint16_t packet_len;
superphil06 58:81c66fac6476 188 int16_t retcode;
superphil06 58:81c66fac6476 189 int32_t sensor_value, rh_value;
superphil06 57:5ec0379d69d6 190
superphil06 59:7b58c5775a56 191 /*MyTH02.startTempConv(true,true);
superphil06 58:81c66fac6476 192 iTime= MyTH02.waitEndConversion();// wait until onversion is done
superphil06 58:81c66fac6476 193 iTempbrute= MyTH02.getConversionValue();
superphil06 58:81c66fac6476 194 sensor_value=MyTH02.getLastRawTemp();
superphil06 58:81c66fac6476 195 printf ("\n\r temp value=%d %d",sensor_value,iTempbrute );
superphil06 59:7b58c5775a56 196 */
superphil06 59:7b58c5775a56 197
mbed_official 0:7037ed05f54f 198
superphil06 59:7b58c5775a56 199
mbed_official 0:7037ed05f54f 200 if (ds1820.begin()) {
mbed_official 0:7037ed05f54f 201 ds1820.startConversion();
mbed_official 0:7037ed05f54f 202 sensor_value = ds1820.read();
mbed_official 56:39847849d219 203 printf("\r\n Dummy Sensor Value = %d \r\n", sensor_value);
mbed_official 0:7037ed05f54f 204 ds1820.startConversion();
mbed_official 0:7037ed05f54f 205 } else {
mbed_official 0:7037ed05f54f 206 printf("\r\n No sensor found \r\n");
mbed_official 0:7037ed05f54f 207 return;
superphil06 59:7b58c5775a56 208 }
superphil06 58:81c66fac6476 209
superphil06 59:7b58c5775a56 210
superphil06 57:5ec0379d69d6 211 Payload.reset();
superphil06 58:81c66fac6476 212 size = Payload.addTemperature(1, (float) sensor_value/100);
superphil06 59:7b58c5775a56 213
superphil06 58:81c66fac6476 214
superphil06 58:81c66fac6476 215
superphil06 57:5ec0379d69d6 216 retcode = lorawan.send(MBED_CONF_LORA_APP_PORT, Payload.getBuffer(), Payload.getSize(),
superphil06 57:5ec0379d69d6 217 MSG_UNCONFIRMED_FLAG);
mbed_official 0:7037ed05f54f 218
mbed_official 0:7037ed05f54f 219 if (retcode < 0) {
mbed_official 0:7037ed05f54f 220 retcode == LORAWAN_STATUS_WOULD_BLOCK ? printf("send - WOULD BLOCK\r\n")
mbed_official 46:a124538e2891 221 : printf("\r\n send() - Error code %d \r\n", retcode);
mbed_official 26:f07f5febf97f 222
mbed_official 26:f07f5febf97f 223 if (retcode == LORAWAN_STATUS_WOULD_BLOCK) {
mbed_official 26:f07f5febf97f 224 //retry in 3 seconds
mbed_official 26:f07f5febf97f 225 if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
mbed_official 26:f07f5febf97f 226 ev_queue.call_in(3000, send_message);
mbed_official 26:f07f5febf97f 227 }
mbed_official 26:f07f5febf97f 228 }
mbed_official 0:7037ed05f54f 229 return;
mbed_official 0:7037ed05f54f 230 }
mbed_official 0:7037ed05f54f 231
mbed_official 0:7037ed05f54f 232 printf("\r\n %d bytes scheduled for transmission \r\n", retcode);
mbed_official 12:5015dfead3f2 233 memset(tx_buffer, 0, sizeof(tx_buffer));
mbed_official 0:7037ed05f54f 234 }
mbed_official 0:7037ed05f54f 235
mbed_official 0:7037ed05f54f 236 /**
mbed_official 0:7037ed05f54f 237 * Receive a message from the Network Server
mbed_official 0:7037ed05f54f 238 */
mbed_official 0:7037ed05f54f 239 static void receive_message()
superphil06 58:81c66fac6476 240 {int num_port;
mbed_official 47:b6d132f1079f 241 uint8_t port;
mbed_official 47:b6d132f1079f 242 int flags;
mbed_official 47:b6d132f1079f 243 int16_t retcode = lorawan.receive(rx_buffer, sizeof(rx_buffer), port, flags);
mbed_official 0:7037ed05f54f 244
mbed_official 0:7037ed05f54f 245 if (retcode < 0) {
mbed_official 0:7037ed05f54f 246 printf("\r\n receive() - Error code %d \r\n", retcode);
mbed_official 0:7037ed05f54f 247 return;
mbed_official 0:7037ed05f54f 248 }
mbed_official 0:7037ed05f54f 249
mbed_official 47:b6d132f1079f 250 printf(" RX Data on port %u (%d bytes): ", port, retcode);
mbed_official 0:7037ed05f54f 251 for (uint8_t i = 0; i < retcode; i++) {
superphil06 59:7b58c5775a56 252 printf("%02x", rx_buffer[i]);
mbed_official 0:7037ed05f54f 253 }
superphil06 58:81c66fac6476 254 printf("\n test value=%d", port);
superphil06 59:7b58c5775a56 255 // code todo here
superphil06 59:7b58c5775a56 256
superphil06 58:81c66fac6476 257
mbed_official 12:5015dfead3f2 258 memset(rx_buffer, 0, sizeof(rx_buffer));
mbed_official 0:7037ed05f54f 259 }
mbed_official 0:7037ed05f54f 260
mbed_official 0:7037ed05f54f 261 /**
mbed_official 0:7037ed05f54f 262 * Event handler
mbed_official 0:7037ed05f54f 263 */
mbed_official 0:7037ed05f54f 264 static void lora_event_handler(lorawan_event_t event)
mbed_official 0:7037ed05f54f 265 {
mbed_official 0:7037ed05f54f 266 switch (event) {
mbed_official 0:7037ed05f54f 267 case CONNECTED:
mbed_official 0:7037ed05f54f 268 printf("\r\n Connection - Successful \r\n");
mbed_official 0:7037ed05f54f 269 if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
mbed_official 0:7037ed05f54f 270 send_message();
mbed_official 0:7037ed05f54f 271 } else {
mbed_official 0:7037ed05f54f 272 ev_queue.call_every(TX_TIMER, send_message);
mbed_official 0:7037ed05f54f 273 }
mbed_official 0:7037ed05f54f 274
mbed_official 0:7037ed05f54f 275 break;
mbed_official 0:7037ed05f54f 276 case DISCONNECTED:
mbed_official 0:7037ed05f54f 277 ev_queue.break_dispatch();
mbed_official 0:7037ed05f54f 278 printf("\r\n Disconnected Successfully \r\n");
mbed_official 0:7037ed05f54f 279 break;
mbed_official 0:7037ed05f54f 280 case TX_DONE:
mbed_official 0:7037ed05f54f 281 printf("\r\n Message Sent to Network Server \r\n");
mbed_official 0:7037ed05f54f 282 if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
mbed_official 0:7037ed05f54f 283 send_message();
mbed_official 0:7037ed05f54f 284 }
mbed_official 0:7037ed05f54f 285 break;
mbed_official 0:7037ed05f54f 286 case TX_TIMEOUT:
mbed_official 0:7037ed05f54f 287 case TX_ERROR:
mbed_official 0:7037ed05f54f 288 case TX_CRYPTO_ERROR:
mbed_official 0:7037ed05f54f 289 case TX_SCHEDULING_ERROR:
mbed_official 0:7037ed05f54f 290 printf("\r\n Transmission Error - EventCode = %d \r\n", event);
mbed_official 0:7037ed05f54f 291 // try again
mbed_official 0:7037ed05f54f 292 if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
mbed_official 0:7037ed05f54f 293 send_message();
mbed_official 0:7037ed05f54f 294 }
mbed_official 0:7037ed05f54f 295 break;
mbed_official 0:7037ed05f54f 296 case RX_DONE:
mbed_official 0:7037ed05f54f 297 printf("\r\n Received message from Network Server \r\n");
mbed_official 0:7037ed05f54f 298 receive_message();
mbed_official 0:7037ed05f54f 299 break;
mbed_official 0:7037ed05f54f 300 case RX_TIMEOUT:
superphil06 59:7b58c5775a56 301 printf("\r\n timeout in reception - Code = %d \r\n", event);
superphil06 59:7b58c5775a56 302 break;
mbed_official 0:7037ed05f54f 303 case RX_ERROR:
mbed_official 0:7037ed05f54f 304 printf("\r\n Error in reception - Code = %d \r\n", event);
mbed_official 0:7037ed05f54f 305 break;
mbed_official 0:7037ed05f54f 306 case JOIN_FAILURE:
mbed_official 0:7037ed05f54f 307 printf("\r\n OTAA Failed - Check Keys \r\n");
mbed_official 0:7037ed05f54f 308 break;
mbed_official 26:f07f5febf97f 309 case UPLINK_REQUIRED:
mbed_official 26:f07f5febf97f 310 printf("\r\n Uplink required by NS \r\n");
mbed_official 26:f07f5febf97f 311 if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
mbed_official 26:f07f5febf97f 312 send_message();
mbed_official 26:f07f5febf97f 313 }
mbed_official 26:f07f5febf97f 314 break;
mbed_official 0:7037ed05f54f 315 default:
mbed_official 0:7037ed05f54f 316 MBED_ASSERT("Unknown Event");
mbed_official 0:7037ed05f54f 317 }
mbed_official 0:7037ed05f54f 318 }
mbed_official 0:7037ed05f54f 319
mbed_official 0:7037ed05f54f 320 // EOF