Alexis Legros / Mbed OS ER4

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Dependencies:   driver_mbed_TH02

main.cpp@60:5fe71d45e3cb, 2021-01-29 (annotated)

Committer:
algrs
Date:
Fri Jan 29 09:36:09 2021 +0000
Revision:
60:5fe71d45e3cb
Parent:
56:39847849d219 
Oui

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
algrs 60:5fe71d45e3cb 28 #include "driver_mbed_TH02.h"
algrs 60:5fe71d45e3cb 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
mbed_official 0:7037ed05f54f 38 /*
mbed_official 0:7037ed05f54f 39 * Sets up an application dependent transmission timer in ms. Used only when Duty Cycling is off for testing
mbed_official 0:7037ed05f54f 40 */
mbed_official 0:7037ed05f54f 41 #define TX_TIMER 10000
mbed_official 0:7037ed05f54f 42
mbed_official 0:7037ed05f54f 43 /**
mbed_official 0:7037ed05f54f 44 * Maximum number of events for the event queue.
mbed_official 12:5015dfead3f2 45 * 10 is the safe number for the stack events, however, if application
mbed_official 0:7037ed05f54f 46 * also uses the queue for whatever purposes, this number should be increased.
mbed_official 0:7037ed05f54f 47 */
mbed_official 12:5015dfead3f2 48 #define MAX_NUMBER_OF_EVENTS 10
mbed_official 0:7037ed05f54f 49
mbed_official 0:7037ed05f54f 50 /**
mbed_official 0:7037ed05f54f 51 * Maximum number of retries for CONFIRMED messages before giving up
mbed_official 0:7037ed05f54f 52 */
mbed_official 0:7037ed05f54f 53 #define CONFIRMED_MSG_RETRY_COUNTER 3
mbed_official 0:7037ed05f54f 54
mbed_official 0:7037ed05f54f 55 /**
mbed_official 0:7037ed05f54f 56 * Dummy pin for dummy sensor
mbed_official 0:7037ed05f54f 57 */
mbed_official 0:7037ed05f54f 58 #define PC_9 0
mbed_official 0:7037ed05f54f 59
mbed_official 0:7037ed05f54f 60 /**
mbed_official 0:7037ed05f54f 61 * Dummy sensor class object
mbed_official 0:7037ed05f54f 62 */
mbed_official 0:7037ed05f54f 63 DS1820 ds1820(PC_9);
mbed_official 0:7037ed05f54f 64
mbed_official 0:7037ed05f54f 65 /**
mbed_official 0:7037ed05f54f 66 * This event queue is the global event queue for both the
mbed_official 0:7037ed05f54f 67 * application and stack. To conserve memory, the stack is designed to run
mbed_official 0:7037ed05f54f 68 * in the same thread as the application and the application is responsible for
mbed_official 0:7037ed05f54f 69 * providing an event queue to the stack that will be used for ISR deferment as
mbed_official 0:7037ed05f54f 70 * well as application information event queuing.
mbed_official 0:7037ed05f54f 71 */
mbed_official 46:a124538e2891 72 static EventQueue ev_queue(MAX_NUMBER_OF_EVENTS *EVENTS_EVENT_SIZE);
mbed_official 0:7037ed05f54f 73
mbed_official 0:7037ed05f54f 74 /**
mbed_official 0:7037ed05f54f 75 * Event handler.
mbed_official 0:7037ed05f54f 76 *
mbed_official 0:7037ed05f54f 77 * This will be passed to the LoRaWAN stack to queue events for the
mbed_official 0:7037ed05f54f 78 * application which in turn drive the application.
mbed_official 0:7037ed05f54f 79 */
mbed_official 0:7037ed05f54f 80 static void lora_event_handler(lorawan_event_t event);
mbed_official 0:7037ed05f54f 81
mbed_official 0:7037ed05f54f 82 /**
mbed_official 46:a124538e2891 83 * Constructing Mbed LoRaWANInterface and passing it the radio object from lora_radio_helper.
mbed_official 0:7037ed05f54f 84 */
mbed_official 2:dc95ac6d6d4e 85 static LoRaWANInterface lorawan(radio);
mbed_official 0:7037ed05f54f 86
mbed_official 0:7037ed05f54f 87 /**
mbed_official 0:7037ed05f54f 88 * Application specific callbacks
mbed_official 0:7037ed05f54f 89 */
mbed_official 0:7037ed05f54f 90 static lorawan_app_callbacks_t callbacks;
mbed_official 0:7037ed05f54f 91
mbed_official 0:7037ed05f54f 92 /**
mbed_official 0:7037ed05f54f 93 * Entry point for application
mbed_official 0:7037ed05f54f 94 */
mbed_official 46:a124538e2891 95 int main(void)
mbed_official 0:7037ed05f54f 96 {
algrs 60:5fe71d45e3cb 97 // variables
algrs 60:5fe71d45e3cb 98
algrs 60:5fe71d45e3cb 99
algrs 60:5fe71d45e3cb 100
mbed_official 0:7037ed05f54f 101 // setup tracing
mbed_official 0:7037ed05f54f 102 setup_trace();
mbed_official 0:7037ed05f54f 103
mbed_official 0:7037ed05f54f 104 // stores the status of a call to LoRaWAN protocol
mbed_official 0:7037ed05f54f 105 lorawan_status_t retcode;
mbed_official 0:7037ed05f54f 106
mbed_official 0:7037ed05f54f 107 // Initialize LoRaWAN stack
mbed_official 2:dc95ac6d6d4e 108 if (lorawan.initialize(&ev_queue) != LORAWAN_STATUS_OK) {
mbed_official 0:7037ed05f54f 109 printf("\r\n LoRa initialization failed! \r\n");
mbed_official 0:7037ed05f54f 110 return -1;
mbed_official 0:7037ed05f54f 111 }
mbed_official 0:7037ed05f54f 112
algrs 60:5fe71d45e3cb 113 printf("\r\n Initialisation du LoRaWAN Mbed ! \r\n");
mbed_official 0:7037ed05f54f 114
mbed_official 0:7037ed05f54f 115 // prepare application callbacks
mbed_official 0:7037ed05f54f 116 callbacks.events = mbed::callback(lora_event_handler);
mbed_official 2:dc95ac6d6d4e 117 lorawan.add_app_callbacks(&callbacks);
mbed_official 0:7037ed05f54f 118
mbed_official 0:7037ed05f54f 119 // Set number of retries in case of CONFIRMED messages
mbed_official 2:dc95ac6d6d4e 120 if (lorawan.set_confirmed_msg_retries(CONFIRMED_MSG_RETRY_COUNTER)
mbed_official 46:a124538e2891 121 != LORAWAN_STATUS_OK) {
mbed_official 0:7037ed05f54f 122 printf("\r\n set_confirmed_msg_retries failed! \r\n\r\n");
mbed_official 0:7037ed05f54f 123 return -1;
mbed_official 0:7037ed05f54f 124 }
mbed_official 0:7037ed05f54f 125
mbed_official 0:7037ed05f54f 126 printf("\r\n CONFIRMED message retries : %d \r\n",
mbed_official 0:7037ed05f54f 127 CONFIRMED_MSG_RETRY_COUNTER);
mbed_official 0:7037ed05f54f 128
mbed_official 0:7037ed05f54f 129 // Enable adaptive data rate
mbed_official 2:dc95ac6d6d4e 130 if (lorawan.enable_adaptive_datarate() != LORAWAN_STATUS_OK) {
mbed_official 0:7037ed05f54f 131 printf("\r\n enable_adaptive_datarate failed! \r\n");
mbed_official 0:7037ed05f54f 132 return -1;
mbed_official 0:7037ed05f54f 133 }
mbed_official 0:7037ed05f54f 134
mbed_official 0:7037ed05f54f 135 printf("\r\n Adaptive data rate (ADR) - Enabled \r\n");
mbed_official 0:7037ed05f54f 136
mbed_official 2:dc95ac6d6d4e 137 retcode = lorawan.connect();
mbed_official 0:7037ed05f54f 138
mbed_official 0:7037ed05f54f 139 if (retcode == LORAWAN_STATUS_OK ||
mbed_official 46:a124538e2891 140 retcode == LORAWAN_STATUS_CONNECT_IN_PROGRESS) {
mbed_official 0:7037ed05f54f 141 } else {
mbed_official 0:7037ed05f54f 142 printf("\r\n Connection error, code = %d \r\n", retcode);
mbed_official 0:7037ed05f54f 143 return -1;
mbed_official 0:7037ed05f54f 144 }
mbed_official 0:7037ed05f54f 145
mbed_official 0:7037ed05f54f 146 printf("\r\n Connection - In Progress ...\r\n");
mbed_official 0:7037ed05f54f 147
mbed_official 0:7037ed05f54f 148 // make your event queue dispatching events forever
mbed_official 0:7037ed05f54f 149 ev_queue.dispatch_forever();
mbed_official 3:8c7198d1a2a1 150
mbed_official 3:8c7198d1a2a1 151 return 0;
mbed_official 0:7037ed05f54f 152 }
mbed_official 0:7037ed05f54f 153
mbed_official 0:7037ed05f54f 154 /**
mbed_official 0:7037ed05f54f 155 * Sends a message to the Network Server
mbed_official 0:7037ed05f54f 156 */
mbed_official 0:7037ed05f54f 157 static void send_message()
mbed_official 0:7037ed05f54f 158 {
mbed_official 0:7037ed05f54f 159 uint16_t packet_len;
mbed_official 0:7037ed05f54f 160 int16_t retcode;
mbed_official 56:39847849d219 161 int32_t sensor_value;
algrs 60:5fe71d45e3cb 162
algrs 60:5fe71d45e3cb 163
algrs 60:5fe71d45e3cb 164 float fTemp,fHumid;
mbed_official 0:7037ed05f54f 165
algrs 60:5fe71d45e3cb 166
algrs 60:5fe71d45e3cb 167 printf("\n\rCapteur de temperature et humidite :\n\r");
algrs 60:5fe71d45e3cb 168 fTemp=myTH02.ReadTemperature();
algrs 60:5fe71d45e3cb 169 printf("\r\n temp=%f",fTemp);
algrs 60:5fe71d45e3cb 170 fHumid=myTH02.ReadHumidity();
algrs 60:5fe71d45e3cb 171 printf("\r\n humid=%f",fHumid);
algrs 60:5fe71d45e3cb 172
mbed_official 0:7037ed05f54f 173 if (ds1820.begin()) {
mbed_official 0:7037ed05f54f 174 ds1820.startConversion();
mbed_official 0:7037ed05f54f 175 sensor_value = ds1820.read();
mbed_official 56:39847849d219 176 printf("\r\n Dummy Sensor Value = %d \r\n", sensor_value);
mbed_official 0:7037ed05f54f 177 ds1820.startConversion();
mbed_official 0:7037ed05f54f 178 } else {
mbed_official 0:7037ed05f54f 179 printf("\r\n No sensor found \r\n");
mbed_official 0:7037ed05f54f 180 return;
mbed_official 0:7037ed05f54f 181 }
mbed_official 0:7037ed05f54f 182
mbed_official 56:39847849d219 183 packet_len = sprintf((char *) tx_buffer, "Dummy Sensor Value is %d",
mbed_official 46:a124538e2891 184 sensor_value);
mbed_official 0:7037ed05f54f 185
mbed_official 2:dc95ac6d6d4e 186 retcode = lorawan.send(MBED_CONF_LORA_APP_PORT, tx_buffer, packet_len,
mbed_official 47:b6d132f1079f 187 MSG_UNCONFIRMED_FLAG);
mbed_official 0:7037ed05f54f 188
mbed_official 0:7037ed05f54f 189 if (retcode < 0) {
mbed_official 0:7037ed05f54f 190 retcode == LORAWAN_STATUS_WOULD_BLOCK ? printf("send - WOULD BLOCK\r\n")
mbed_official 46:a124538e2891 191 : printf("\r\n send() - Error code %d \r\n", retcode);
mbed_official 26:f07f5febf97f 192
mbed_official 26:f07f5febf97f 193 if (retcode == LORAWAN_STATUS_WOULD_BLOCK) {
mbed_official 26:f07f5febf97f 194 //retry in 3 seconds
mbed_official 26:f07f5febf97f 195 if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
mbed_official 26:f07f5febf97f 196 ev_queue.call_in(3000, send_message);
mbed_official 26:f07f5febf97f 197 }
mbed_official 26:f07f5febf97f 198 }
mbed_official 0:7037ed05f54f 199 return;
mbed_official 0:7037ed05f54f 200 }
mbed_official 0:7037ed05f54f 201
mbed_official 0:7037ed05f54f 202 printf("\r\n %d bytes scheduled for transmission \r\n", retcode);
mbed_official 12:5015dfead3f2 203 memset(tx_buffer, 0, sizeof(tx_buffer));
mbed_official 0:7037ed05f54f 204 }
mbed_official 0:7037ed05f54f 205
mbed_official 0:7037ed05f54f 206 /**
mbed_official 0:7037ed05f54f 207 * Receive a message from the Network Server
mbed_official 0:7037ed05f54f 208 */
mbed_official 0:7037ed05f54f 209 static void receive_message()
mbed_official 0:7037ed05f54f 210 {
mbed_official 47:b6d132f1079f 211 uint8_t port;
mbed_official 47:b6d132f1079f 212 int flags;
mbed_official 47:b6d132f1079f 213 int16_t retcode = lorawan.receive(rx_buffer, sizeof(rx_buffer), port, flags);
mbed_official 0:7037ed05f54f 214
mbed_official 0:7037ed05f54f 215 if (retcode < 0) {
mbed_official 0:7037ed05f54f 216 printf("\r\n receive() - Error code %d \r\n", retcode);
mbed_official 0:7037ed05f54f 217 return;
mbed_official 0:7037ed05f54f 218 }
mbed_official 0:7037ed05f54f 219
mbed_official 47:b6d132f1079f 220 printf(" RX Data on port %u (%d bytes): ", port, retcode);
mbed_official 0:7037ed05f54f 221 for (uint8_t i = 0; i < retcode; i++) {
mbed_official 47:b6d132f1079f 222 printf("%02x ", rx_buffer[i]);
mbed_official 0:7037ed05f54f 223 }
mbed_official 47:b6d132f1079f 224 printf("\r\n");
mbed_official 47:b6d132f1079f 225
mbed_official 12:5015dfead3f2 226 memset(rx_buffer, 0, sizeof(rx_buffer));
mbed_official 0:7037ed05f54f 227 }
mbed_official 0:7037ed05f54f 228
mbed_official 0:7037ed05f54f 229 /**
mbed_official 0:7037ed05f54f 230 * Event handler
mbed_official 0:7037ed05f54f 231 */
mbed_official 0:7037ed05f54f 232 static void lora_event_handler(lorawan_event_t event)
mbed_official 0:7037ed05f54f 233 {
mbed_official 0:7037ed05f54f 234 switch (event) {
mbed_official 0:7037ed05f54f 235 case CONNECTED:
mbed_official 0:7037ed05f54f 236 printf("\r\n Connection - Successful \r\n");
mbed_official 0:7037ed05f54f 237 if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
mbed_official 0:7037ed05f54f 238 send_message();
mbed_official 0:7037ed05f54f 239 } else {
mbed_official 0:7037ed05f54f 240 ev_queue.call_every(TX_TIMER, send_message);
mbed_official 0:7037ed05f54f 241 }
mbed_official 0:7037ed05f54f 242
mbed_official 0:7037ed05f54f 243 break;
mbed_official 0:7037ed05f54f 244 case DISCONNECTED:
mbed_official 0:7037ed05f54f 245 ev_queue.break_dispatch();
mbed_official 0:7037ed05f54f 246 printf("\r\n Disconnected Successfully \r\n");
mbed_official 0:7037ed05f54f 247 break;
mbed_official 0:7037ed05f54f 248 case TX_DONE:
mbed_official 0:7037ed05f54f 249 printf("\r\n Message Sent to Network Server \r\n");
mbed_official 0:7037ed05f54f 250 if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
mbed_official 0:7037ed05f54f 251 send_message();
mbed_official 0:7037ed05f54f 252 }
mbed_official 0:7037ed05f54f 253 break;
mbed_official 0:7037ed05f54f 254 case TX_TIMEOUT:
mbed_official 0:7037ed05f54f 255 case TX_ERROR:
mbed_official 0:7037ed05f54f 256 case TX_CRYPTO_ERROR:
mbed_official 0:7037ed05f54f 257 case TX_SCHEDULING_ERROR:
mbed_official 0:7037ed05f54f 258 printf("\r\n Transmission Error - EventCode = %d \r\n", event);
mbed_official 0:7037ed05f54f 259 // try again
mbed_official 0:7037ed05f54f 260 if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
mbed_official 0:7037ed05f54f 261 send_message();
mbed_official 0:7037ed05f54f 262 }
mbed_official 0:7037ed05f54f 263 break;
mbed_official 0:7037ed05f54f 264 case RX_DONE:
mbed_official 0:7037ed05f54f 265 printf("\r\n Received message from Network Server \r\n");
mbed_official 0:7037ed05f54f 266 receive_message();
mbed_official 0:7037ed05f54f 267 break;
mbed_official 0:7037ed05f54f 268 case RX_TIMEOUT:
mbed_official 0:7037ed05f54f 269 case RX_ERROR:
mbed_official 0:7037ed05f54f 270 printf("\r\n Error in reception - Code = %d \r\n", event);
mbed_official 0:7037ed05f54f 271 break;
mbed_official 0:7037ed05f54f 272 case JOIN_FAILURE:
mbed_official 0:7037ed05f54f 273 printf("\r\n OTAA Failed - Check Keys \r\n");
mbed_official 0:7037ed05f54f 274 break;
mbed_official 26:f07f5febf97f 275 case UPLINK_REQUIRED:
mbed_official 26:f07f5febf97f 276 printf("\r\n Uplink required by NS \r\n");
mbed_official 26:f07f5febf97f 277 if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
mbed_official 26:f07f5febf97f 278 send_message();
mbed_official 26:f07f5febf97f 279 }
mbed_official 26:f07f5febf97f 280 break;
mbed_official 0:7037ed05f54f 281 default:
mbed_official 0:7037ed05f54f 282 MBED_ASSERT("Unknown Event");
mbed_official 0:7037ed05f54f 283 }
mbed_official 0:7037ed05f54f 284 }
mbed_official 0:7037ed05f54f 285
mbed_official 0:7037ed05f54f 286 // EOF