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tfsd
Dependencies: Servo GroveGPS Cayenne-LPP driver_mbed_TH02
main.cpp@0:7037ed05f54f, 2018-03-08 (annotated)
- Committer:
- mbed_official
- Date:
- Thu Mar 08 17:46:15 2018 +0000
- Revision:
- 0:7037ed05f54f
- Child:
- 2:dc95ac6d6d4e
Fix construction of LoRaWANInterface object
Since radio object is constructed by another source file, we have a
race condition. In order to prevent this race condition, LoRaWANInterface
object is now created in main().
.
Commit copied from https://github.com/ARMmbed/mbed-os-example-lorawan
Who changed what in which revision?
User | Revision | Line number | New 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 | 0:7037ed05f54f | 18 | #include "lorawan/LoRaWANInterface.h" |
mbed_official | 0:7037ed05f54f | 19 | #include "lorawan/system/lorawan_data_structures.h" |
mbed_official | 0:7037ed05f54f | 20 | #include "events/EventQueue.h" |
mbed_official | 0:7037ed05f54f | 21 | |
mbed_official | 0:7037ed05f54f | 22 | // Application helpers |
mbed_official | 0:7037ed05f54f | 23 | #include "DummySensor.h" |
mbed_official | 0:7037ed05f54f | 24 | #include "trace_helper.h" |
mbed_official | 0:7037ed05f54f | 25 | #include "lora_radio_helper.h" |
mbed_official | 0:7037ed05f54f | 26 | |
mbed_official | 0:7037ed05f54f | 27 | using namespace events; |
mbed_official | 0:7037ed05f54f | 28 | |
mbed_official | 0:7037ed05f54f | 29 | uint8_t tx_buffer[LORAMAC_PHY_MAXPAYLOAD]; |
mbed_official | 0:7037ed05f54f | 30 | uint8_t rx_buffer[LORAMAC_PHY_MAXPAYLOAD]; |
mbed_official | 0:7037ed05f54f | 31 | |
mbed_official | 0:7037ed05f54f | 32 | /* |
mbed_official | 0:7037ed05f54f | 33 | * Sets up an application dependent transmission timer in ms. Used only when Duty Cycling is off for testing |
mbed_official | 0:7037ed05f54f | 34 | */ |
mbed_official | 0:7037ed05f54f | 35 | #define TX_TIMER 10000 |
mbed_official | 0:7037ed05f54f | 36 | |
mbed_official | 0:7037ed05f54f | 37 | /** |
mbed_official | 0:7037ed05f54f | 38 | * Maximum number of events for the event queue. |
mbed_official | 0:7037ed05f54f | 39 | * 16 is the safe number for the stack events, however, if application |
mbed_official | 0:7037ed05f54f | 40 | * also uses the queue for whatever purposes, this number should be increased. |
mbed_official | 0:7037ed05f54f | 41 | */ |
mbed_official | 0:7037ed05f54f | 42 | #define MAX_NUMBER_OF_EVENTS 16 |
mbed_official | 0:7037ed05f54f | 43 | |
mbed_official | 0:7037ed05f54f | 44 | /** |
mbed_official | 0:7037ed05f54f | 45 | * Maximum number of retries for CONFIRMED messages before giving up |
mbed_official | 0:7037ed05f54f | 46 | */ |
mbed_official | 0:7037ed05f54f | 47 | #define CONFIRMED_MSG_RETRY_COUNTER 3 |
mbed_official | 0:7037ed05f54f | 48 | |
mbed_official | 0:7037ed05f54f | 49 | /** |
mbed_official | 0:7037ed05f54f | 50 | * Dummy pin for dummy sensor |
mbed_official | 0:7037ed05f54f | 51 | */ |
mbed_official | 0:7037ed05f54f | 52 | #define PC_9 0 |
mbed_official | 0:7037ed05f54f | 53 | |
mbed_official | 0:7037ed05f54f | 54 | /** |
mbed_official | 0:7037ed05f54f | 55 | * Dummy sensor class object |
mbed_official | 0:7037ed05f54f | 56 | */ |
mbed_official | 0:7037ed05f54f | 57 | DS1820 ds1820(PC_9); |
mbed_official | 0:7037ed05f54f | 58 | |
mbed_official | 0:7037ed05f54f | 59 | /** |
mbed_official | 0:7037ed05f54f | 60 | * This event queue is the global event queue for both the |
mbed_official | 0:7037ed05f54f | 61 | * application and stack. To conserve memory, the stack is designed to run |
mbed_official | 0:7037ed05f54f | 62 | * in the same thread as the application and the application is responsible for |
mbed_official | 0:7037ed05f54f | 63 | * providing an event queue to the stack that will be used for ISR deferment as |
mbed_official | 0:7037ed05f54f | 64 | * well as application information event queuing. |
mbed_official | 0:7037ed05f54f | 65 | */ |
mbed_official | 0:7037ed05f54f | 66 | static EventQueue ev_queue(MAX_NUMBER_OF_EVENTS * EVENTS_EVENT_SIZE); |
mbed_official | 0:7037ed05f54f | 67 | |
mbed_official | 0:7037ed05f54f | 68 | /** |
mbed_official | 0:7037ed05f54f | 69 | * Event handler. |
mbed_official | 0:7037ed05f54f | 70 | * |
mbed_official | 0:7037ed05f54f | 71 | * This will be passed to the LoRaWAN stack to queue events for the |
mbed_official | 0:7037ed05f54f | 72 | * application which in turn drive the application. |
mbed_official | 0:7037ed05f54f | 73 | */ |
mbed_official | 0:7037ed05f54f | 74 | static void lora_event_handler(lorawan_event_t event); |
mbed_official | 0:7037ed05f54f | 75 | |
mbed_official | 0:7037ed05f54f | 76 | /** |
mbed_official | 0:7037ed05f54f | 77 | * Pointer to LoRaWAN interface |
mbed_official | 0:7037ed05f54f | 78 | */ |
mbed_official | 0:7037ed05f54f | 79 | static LoRaWANInterface* lorawan = NULL; |
mbed_official | 0:7037ed05f54f | 80 | |
mbed_official | 0:7037ed05f54f | 81 | /** |
mbed_official | 0:7037ed05f54f | 82 | * Application specific callbacks |
mbed_official | 0:7037ed05f54f | 83 | */ |
mbed_official | 0:7037ed05f54f | 84 | static lorawan_app_callbacks_t callbacks; |
mbed_official | 0:7037ed05f54f | 85 | |
mbed_official | 0:7037ed05f54f | 86 | /** |
mbed_official | 0:7037ed05f54f | 87 | * Entry point for application |
mbed_official | 0:7037ed05f54f | 88 | */ |
mbed_official | 0:7037ed05f54f | 89 | int main (void) |
mbed_official | 0:7037ed05f54f | 90 | { |
mbed_official | 0:7037ed05f54f | 91 | // Constructing Mbed LoRaWANInterface and passing it down the radio object. |
mbed_official | 0:7037ed05f54f | 92 | LoRaWANInterface lora(get_lora_radio()); |
mbed_official | 0:7037ed05f54f | 93 | lorawan = &lora; |
mbed_official | 0:7037ed05f54f | 94 | |
mbed_official | 0:7037ed05f54f | 95 | // setup tracing |
mbed_official | 0:7037ed05f54f | 96 | setup_trace(); |
mbed_official | 0:7037ed05f54f | 97 | |
mbed_official | 0:7037ed05f54f | 98 | // stores the status of a call to LoRaWAN protocol |
mbed_official | 0:7037ed05f54f | 99 | lorawan_status_t retcode; |
mbed_official | 0:7037ed05f54f | 100 | |
mbed_official | 0:7037ed05f54f | 101 | // Initialize LoRaWAN stack |
mbed_official | 0:7037ed05f54f | 102 | if (lorawan->initialize(&ev_queue) != LORAWAN_STATUS_OK) { |
mbed_official | 0:7037ed05f54f | 103 | printf("\r\n LoRa initialization failed! \r\n"); |
mbed_official | 0:7037ed05f54f | 104 | return -1; |
mbed_official | 0:7037ed05f54f | 105 | } |
mbed_official | 0:7037ed05f54f | 106 | |
mbed_official | 0:7037ed05f54f | 107 | printf("\r\n Mbed LoRaWANStack initialized \r\n"); |
mbed_official | 0:7037ed05f54f | 108 | |
mbed_official | 0:7037ed05f54f | 109 | // prepare application callbacks |
mbed_official | 0:7037ed05f54f | 110 | callbacks.events = mbed::callback(lora_event_handler); |
mbed_official | 0:7037ed05f54f | 111 | lorawan->add_app_callbacks(&callbacks); |
mbed_official | 0:7037ed05f54f | 112 | |
mbed_official | 0:7037ed05f54f | 113 | // Set number of retries in case of CONFIRMED messages |
mbed_official | 0:7037ed05f54f | 114 | if (lorawan->set_confirmed_msg_retries(CONFIRMED_MSG_RETRY_COUNTER) |
mbed_official | 0:7037ed05f54f | 115 | != LORAWAN_STATUS_OK) { |
mbed_official | 0:7037ed05f54f | 116 | printf("\r\n set_confirmed_msg_retries failed! \r\n\r\n"); |
mbed_official | 0:7037ed05f54f | 117 | return -1; |
mbed_official | 0:7037ed05f54f | 118 | } |
mbed_official | 0:7037ed05f54f | 119 | |
mbed_official | 0:7037ed05f54f | 120 | printf("\r\n CONFIRMED message retries : %d \r\n", |
mbed_official | 0:7037ed05f54f | 121 | CONFIRMED_MSG_RETRY_COUNTER); |
mbed_official | 0:7037ed05f54f | 122 | |
mbed_official | 0:7037ed05f54f | 123 | // Enable adaptive data rate |
mbed_official | 0:7037ed05f54f | 124 | if (lorawan->enable_adaptive_datarate() != LORAWAN_STATUS_OK) { |
mbed_official | 0:7037ed05f54f | 125 | printf("\r\n enable_adaptive_datarate failed! \r\n"); |
mbed_official | 0:7037ed05f54f | 126 | return -1; |
mbed_official | 0:7037ed05f54f | 127 | } |
mbed_official | 0:7037ed05f54f | 128 | |
mbed_official | 0:7037ed05f54f | 129 | printf("\r\n Adaptive data rate (ADR) - Enabled \r\n"); |
mbed_official | 0:7037ed05f54f | 130 | |
mbed_official | 0:7037ed05f54f | 131 | retcode = lorawan->connect(); |
mbed_official | 0:7037ed05f54f | 132 | |
mbed_official | 0:7037ed05f54f | 133 | if (retcode == LORAWAN_STATUS_OK || |
mbed_official | 0:7037ed05f54f | 134 | retcode == LORAWAN_STATUS_CONNECT_IN_PROGRESS) { |
mbed_official | 0:7037ed05f54f | 135 | } else { |
mbed_official | 0:7037ed05f54f | 136 | printf("\r\n Connection error, code = %d \r\n", retcode); |
mbed_official | 0:7037ed05f54f | 137 | return -1; |
mbed_official | 0:7037ed05f54f | 138 | } |
mbed_official | 0:7037ed05f54f | 139 | |
mbed_official | 0:7037ed05f54f | 140 | printf("\r\n Connection - In Progress ...\r\n"); |
mbed_official | 0:7037ed05f54f | 141 | |
mbed_official | 0:7037ed05f54f | 142 | // make your event queue dispatching events forever |
mbed_official | 0:7037ed05f54f | 143 | ev_queue.dispatch_forever(); |
mbed_official | 0:7037ed05f54f | 144 | } |
mbed_official | 0:7037ed05f54f | 145 | |
mbed_official | 0:7037ed05f54f | 146 | /** |
mbed_official | 0:7037ed05f54f | 147 | * Sends a message to the Network Server |
mbed_official | 0:7037ed05f54f | 148 | */ |
mbed_official | 0:7037ed05f54f | 149 | static void send_message() |
mbed_official | 0:7037ed05f54f | 150 | { |
mbed_official | 0:7037ed05f54f | 151 | uint16_t packet_len; |
mbed_official | 0:7037ed05f54f | 152 | int16_t retcode; |
mbed_official | 0:7037ed05f54f | 153 | float sensor_value; |
mbed_official | 0:7037ed05f54f | 154 | |
mbed_official | 0:7037ed05f54f | 155 | if (ds1820.begin()) { |
mbed_official | 0:7037ed05f54f | 156 | ds1820.startConversion(); |
mbed_official | 0:7037ed05f54f | 157 | sensor_value = ds1820.read(); |
mbed_official | 0:7037ed05f54f | 158 | printf("\r\n Dummy Sensor Value = %3.1f \r\n", sensor_value); |
mbed_official | 0:7037ed05f54f | 159 | ds1820.startConversion(); |
mbed_official | 0:7037ed05f54f | 160 | } else { |
mbed_official | 0:7037ed05f54f | 161 | printf("\r\n No sensor found \r\n"); |
mbed_official | 0:7037ed05f54f | 162 | return; |
mbed_official | 0:7037ed05f54f | 163 | } |
mbed_official | 0:7037ed05f54f | 164 | |
mbed_official | 0:7037ed05f54f | 165 | packet_len = sprintf((char*) tx_buffer, "Dummy Sensor Value is %3.1f", |
mbed_official | 0:7037ed05f54f | 166 | sensor_value); |
mbed_official | 0:7037ed05f54f | 167 | |
mbed_official | 0:7037ed05f54f | 168 | retcode = lorawan->send(MBED_CONF_LORA_APP_PORT, tx_buffer, packet_len, |
mbed_official | 0:7037ed05f54f | 169 | MSG_CONFIRMED_FLAG); |
mbed_official | 0:7037ed05f54f | 170 | |
mbed_official | 0:7037ed05f54f | 171 | if (retcode < 0) { |
mbed_official | 0:7037ed05f54f | 172 | retcode == LORAWAN_STATUS_WOULD_BLOCK ? printf("send - WOULD BLOCK\r\n") |
mbed_official | 0:7037ed05f54f | 173 | : printf("\r\n send() - Error code %d \r\n", retcode); |
mbed_official | 0:7037ed05f54f | 174 | return; |
mbed_official | 0:7037ed05f54f | 175 | } |
mbed_official | 0:7037ed05f54f | 176 | |
mbed_official | 0:7037ed05f54f | 177 | printf("\r\n %d bytes scheduled for transmission \r\n", retcode); |
mbed_official | 0:7037ed05f54f | 178 | memset(tx_buffer, 0, LORAMAC_PHY_MAXPAYLOAD); |
mbed_official | 0:7037ed05f54f | 179 | } |
mbed_official | 0:7037ed05f54f | 180 | |
mbed_official | 0:7037ed05f54f | 181 | /** |
mbed_official | 0:7037ed05f54f | 182 | * Receive a message from the Network Server |
mbed_official | 0:7037ed05f54f | 183 | */ |
mbed_official | 0:7037ed05f54f | 184 | static void receive_message() |
mbed_official | 0:7037ed05f54f | 185 | { |
mbed_official | 0:7037ed05f54f | 186 | int16_t retcode; |
mbed_official | 0:7037ed05f54f | 187 | retcode = lorawan->receive(MBED_CONF_LORA_APP_PORT, rx_buffer, |
mbed_official | 0:7037ed05f54f | 188 | LORAMAC_PHY_MAXPAYLOAD, |
mbed_official | 0:7037ed05f54f | 189 | MSG_CONFIRMED_FLAG|MSG_UNCONFIRMED_FLAG); |
mbed_official | 0:7037ed05f54f | 190 | |
mbed_official | 0:7037ed05f54f | 191 | if (retcode < 0) { |
mbed_official | 0:7037ed05f54f | 192 | printf("\r\n receive() - Error code %d \r\n", retcode); |
mbed_official | 0:7037ed05f54f | 193 | return; |
mbed_official | 0:7037ed05f54f | 194 | } |
mbed_official | 0:7037ed05f54f | 195 | |
mbed_official | 0:7037ed05f54f | 196 | printf(" Data:"); |
mbed_official | 0:7037ed05f54f | 197 | |
mbed_official | 0:7037ed05f54f | 198 | for (uint8_t i = 0; i < retcode; i++) { |
mbed_official | 0:7037ed05f54f | 199 | printf("%x", rx_buffer[i]); |
mbed_official | 0:7037ed05f54f | 200 | } |
mbed_official | 0:7037ed05f54f | 201 | |
mbed_official | 0:7037ed05f54f | 202 | printf("\r\n Data Length: %d\r\n", retcode); |
mbed_official | 0:7037ed05f54f | 203 | |
mbed_official | 0:7037ed05f54f | 204 | memset(rx_buffer, 0, LORAMAC_PHY_MAXPAYLOAD); |
mbed_official | 0:7037ed05f54f | 205 | } |
mbed_official | 0:7037ed05f54f | 206 | |
mbed_official | 0:7037ed05f54f | 207 | /** |
mbed_official | 0:7037ed05f54f | 208 | * Event handler |
mbed_official | 0:7037ed05f54f | 209 | */ |
mbed_official | 0:7037ed05f54f | 210 | static void lora_event_handler(lorawan_event_t event) |
mbed_official | 0:7037ed05f54f | 211 | { |
mbed_official | 0:7037ed05f54f | 212 | switch (event) { |
mbed_official | 0:7037ed05f54f | 213 | case CONNECTED: |
mbed_official | 0:7037ed05f54f | 214 | printf("\r\n Connection - Successful \r\n"); |
mbed_official | 0:7037ed05f54f | 215 | if (MBED_CONF_LORA_DUTY_CYCLE_ON) { |
mbed_official | 0:7037ed05f54f | 216 | send_message(); |
mbed_official | 0:7037ed05f54f | 217 | } else { |
mbed_official | 0:7037ed05f54f | 218 | ev_queue.call_every(TX_TIMER, send_message); |
mbed_official | 0:7037ed05f54f | 219 | } |
mbed_official | 0:7037ed05f54f | 220 | |
mbed_official | 0:7037ed05f54f | 221 | break; |
mbed_official | 0:7037ed05f54f | 222 | case DISCONNECTED: |
mbed_official | 0:7037ed05f54f | 223 | ev_queue.break_dispatch(); |
mbed_official | 0:7037ed05f54f | 224 | printf("\r\n Disconnected Successfully \r\n"); |
mbed_official | 0:7037ed05f54f | 225 | break; |
mbed_official | 0:7037ed05f54f | 226 | case TX_DONE: |
mbed_official | 0:7037ed05f54f | 227 | printf("\r\n Message Sent to Network Server \r\n"); |
mbed_official | 0:7037ed05f54f | 228 | if (MBED_CONF_LORA_DUTY_CYCLE_ON) { |
mbed_official | 0:7037ed05f54f | 229 | send_message(); |
mbed_official | 0:7037ed05f54f | 230 | } |
mbed_official | 0:7037ed05f54f | 231 | break; |
mbed_official | 0:7037ed05f54f | 232 | case TX_TIMEOUT: |
mbed_official | 0:7037ed05f54f | 233 | case TX_ERROR: |
mbed_official | 0:7037ed05f54f | 234 | case TX_CRYPTO_ERROR: |
mbed_official | 0:7037ed05f54f | 235 | case TX_SCHEDULING_ERROR: |
mbed_official | 0:7037ed05f54f | 236 | printf("\r\n Transmission Error - EventCode = %d \r\n", event); |
mbed_official | 0:7037ed05f54f | 237 | // try again |
mbed_official | 0:7037ed05f54f | 238 | if (MBED_CONF_LORA_DUTY_CYCLE_ON) { |
mbed_official | 0:7037ed05f54f | 239 | send_message(); |
mbed_official | 0:7037ed05f54f | 240 | } |
mbed_official | 0:7037ed05f54f | 241 | break; |
mbed_official | 0:7037ed05f54f | 242 | case RX_DONE: |
mbed_official | 0:7037ed05f54f | 243 | printf("\r\n Received message from Network Server \r\n"); |
mbed_official | 0:7037ed05f54f | 244 | receive_message(); |
mbed_official | 0:7037ed05f54f | 245 | break; |
mbed_official | 0:7037ed05f54f | 246 | case RX_TIMEOUT: |
mbed_official | 0:7037ed05f54f | 247 | case RX_ERROR: |
mbed_official | 0:7037ed05f54f | 248 | printf("\r\n Error in reception - Code = %d \r\n", event); |
mbed_official | 0:7037ed05f54f | 249 | break; |
mbed_official | 0:7037ed05f54f | 250 | case JOIN_FAILURE: |
mbed_official | 0:7037ed05f54f | 251 | printf("\r\n OTAA Failed - Check Keys \r\n"); |
mbed_official | 0:7037ed05f54f | 252 | break; |
mbed_official | 0:7037ed05f54f | 253 | default: |
mbed_official | 0:7037ed05f54f | 254 | MBED_ASSERT("Unknown Event"); |
mbed_official | 0:7037ed05f54f | 255 | } |
mbed_official | 0:7037ed05f54f | 256 | } |
mbed_official | 0:7037ed05f54f | 257 | |
mbed_official | 0:7037ed05f54f | 258 | // EOF |