Igor Lima / mbed-lorawan-pulga-serial_rx

contain lorawan with serial_rx enabled

Dependencies:   pulga-lorawan-drv SPI_MX25R Si1133 BME280

main.cpp@17:2fc16c1d6434, 2018-05-11 (annotated)

Committer:
mbed_official
Date:
Fri May 11 07:30:15 2018 +0100
Revision:
17:2fc16c1d6434
Parent:
12:5015dfead3f2
Child:
18:1720bc3831ea
Remove unnecessary Serial object



Current trend in mbed-os is to use stdio for tracing. Therefore unnecessary

Serial objects should be removed.



.

Commit copied from https://github.com/ARMmbed/mbed-os-example-lorawan

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 3:8c7198d1a2a1 19 #if MBED_CONF_APP_LORAWAN_ENABLED
mbed_official 3:8c7198d1a2a1 20
mbed_official 3:8c7198d1a2a1 21 #ifdef DEVICE_SPI
mbed_official 3:8c7198d1a2a1 22
mbed_official 0:7037ed05f54f 23 #include "lorawan/LoRaWANInterface.h"
mbed_official 0:7037ed05f54f 24 #include "lorawan/system/lorawan_data_structures.h"
mbed_official 0:7037ed05f54f 25 #include "events/EventQueue.h"
mbed_official 0:7037ed05f54f 26
mbed_official 0:7037ed05f54f 27 // Application helpers
mbed_official 0:7037ed05f54f 28 #include "DummySensor.h"
mbed_official 0:7037ed05f54f 29 #include "trace_helper.h"
mbed_official 0:7037ed05f54f 30 #include "lora_radio_helper.h"
mbed_official 0:7037ed05f54f 31
mbed_official 0:7037ed05f54f 32 using namespace events;
mbed_official 0:7037ed05f54f 33
mbed_official 12:5015dfead3f2 34 // Max payload size can be LORAMAC_PHY_MAXPAYLOAD.
mbed_official 12:5015dfead3f2 35 // This example only communicates with much shorter messages (<30 bytes).
mbed_official 12:5015dfead3f2 36 // If longer messages are used, these buffers must be changed accordingly.
mbed_official 12:5015dfead3f2 37 uint8_t tx_buffer[30];
mbed_official 12:5015dfead3f2 38 uint8_t rx_buffer[30];
mbed_official 0:7037ed05f54f 39
mbed_official 0:7037ed05f54f 40 /*
mbed_official 0:7037ed05f54f 41 * Sets up an application dependent transmission timer in ms. Used only when Duty Cycling is off for testing
mbed_official 0:7037ed05f54f 42 */
mbed_official 0:7037ed05f54f 43 #define TX_TIMER 10000
mbed_official 0:7037ed05f54f 44
mbed_official 0:7037ed05f54f 45 /**
mbed_official 0:7037ed05f54f 46 * Maximum number of events for the event queue.
mbed_official 12:5015dfead3f2 47 * 10 is the safe number for the stack events, however, if application
mbed_official 0:7037ed05f54f 48 * also uses the queue for whatever purposes, this number should be increased.
mbed_official 0:7037ed05f54f 49 */
mbed_official 12:5015dfead3f2 50 #define MAX_NUMBER_OF_EVENTS 10
mbed_official 0:7037ed05f54f 51
mbed_official 0:7037ed05f54f 52 /**
mbed_official 0:7037ed05f54f 53 * Maximum number of retries for CONFIRMED messages before giving up
mbed_official 0:7037ed05f54f 54 */
mbed_official 0:7037ed05f54f 55 #define CONFIRMED_MSG_RETRY_COUNTER 3
mbed_official 0:7037ed05f54f 56
mbed_official 0:7037ed05f54f 57 /**
mbed_official 0:7037ed05f54f 58 * Dummy pin for dummy sensor
mbed_official 0:7037ed05f54f 59 */
mbed_official 0:7037ed05f54f 60 #define PC_9 0
mbed_official 0:7037ed05f54f 61
mbed_official 0:7037ed05f54f 62 /**
mbed_official 0:7037ed05f54f 63 * Dummy sensor class object
mbed_official 0:7037ed05f54f 64 */
mbed_official 0:7037ed05f54f 65 DS1820 ds1820(PC_9);
mbed_official 0:7037ed05f54f 66
mbed_official 0:7037ed05f54f 67 /**
mbed_official 0:7037ed05f54f 68 * This event queue is the global event queue for both the
mbed_official 0:7037ed05f54f 69 * application and stack. To conserve memory, the stack is designed to run
mbed_official 0:7037ed05f54f 70 * in the same thread as the application and the application is responsible for
mbed_official 0:7037ed05f54f 71 * providing an event queue to the stack that will be used for ISR deferment as
mbed_official 0:7037ed05f54f 72 * well as application information event queuing.
mbed_official 0:7037ed05f54f 73 */
mbed_official 0:7037ed05f54f 74 static EventQueue ev_queue(MAX_NUMBER_OF_EVENTS * EVENTS_EVENT_SIZE);
mbed_official 0:7037ed05f54f 75
mbed_official 0:7037ed05f54f 76 /**
mbed_official 0:7037ed05f54f 77 * Event handler.
mbed_official 0:7037ed05f54f 78 *
mbed_official 0:7037ed05f54f 79 * This will be passed to the LoRaWAN stack to queue events for the
mbed_official 0:7037ed05f54f 80 * application which in turn drive the application.
mbed_official 0:7037ed05f54f 81 */
mbed_official 0:7037ed05f54f 82 static void lora_event_handler(lorawan_event_t event);
mbed_official 0:7037ed05f54f 83
mbed_official 0:7037ed05f54f 84 /**
mbed_official 2:dc95ac6d6d4e 85 * Constructing Mbed LoRaWANInterface and passing it down the radio object.
mbed_official 0:7037ed05f54f 86 */
mbed_official 2:dc95ac6d6d4e 87 static LoRaWANInterface lorawan(radio);
mbed_official 0:7037ed05f54f 88
mbed_official 0:7037ed05f54f 89 /**
mbed_official 0:7037ed05f54f 90 * Application specific callbacks
mbed_official 0:7037ed05f54f 91 */
mbed_official 0:7037ed05f54f 92 static lorawan_app_callbacks_t callbacks;
mbed_official 0:7037ed05f54f 93
mbed_official 0:7037ed05f54f 94 /**
mbed_official 0:7037ed05f54f 95 * Entry point for application
mbed_official 0:7037ed05f54f 96 */
mbed_official 0:7037ed05f54f 97 int main (void)
mbed_official 0:7037ed05f54f 98 {
mbed_official 0:7037ed05f54f 99 // setup tracing
mbed_official 0:7037ed05f54f 100 setup_trace();
mbed_official 0:7037ed05f54f 101
mbed_official 0:7037ed05f54f 102 // stores the status of a call to LoRaWAN protocol
mbed_official 0:7037ed05f54f 103 lorawan_status_t retcode;
mbed_official 0:7037ed05f54f 104
mbed_official 0:7037ed05f54f 105 // Initialize LoRaWAN stack
mbed_official 2:dc95ac6d6d4e 106 if (lorawan.initialize(&ev_queue) != LORAWAN_STATUS_OK) {
mbed_official 0:7037ed05f54f 107 printf("\r\n LoRa initialization failed! \r\n");
mbed_official 0:7037ed05f54f 108 return -1;
mbed_official 0:7037ed05f54f 109 }
mbed_official 0:7037ed05f54f 110
mbed_official 0:7037ed05f54f 111 printf("\r\n Mbed LoRaWANStack initialized \r\n");
mbed_official 0:7037ed05f54f 112
mbed_official 0:7037ed05f54f 113 // prepare application callbacks
mbed_official 0:7037ed05f54f 114 callbacks.events = mbed::callback(lora_event_handler);
mbed_official 2:dc95ac6d6d4e 115 lorawan.add_app_callbacks(&callbacks);
mbed_official 0:7037ed05f54f 116
mbed_official 0:7037ed05f54f 117 // Set number of retries in case of CONFIRMED messages
mbed_official 2:dc95ac6d6d4e 118 if (lorawan.set_confirmed_msg_retries(CONFIRMED_MSG_RETRY_COUNTER)
mbed_official 0:7037ed05f54f 119 != LORAWAN_STATUS_OK) {
mbed_official 0:7037ed05f54f 120 printf("\r\n set_confirmed_msg_retries failed! \r\n\r\n");
mbed_official 0:7037ed05f54f 121 return -1;
mbed_official 0:7037ed05f54f 122 }
mbed_official 0:7037ed05f54f 123
mbed_official 0:7037ed05f54f 124 printf("\r\n CONFIRMED message retries : %d \r\n",
mbed_official 0:7037ed05f54f 125 CONFIRMED_MSG_RETRY_COUNTER);
mbed_official 0:7037ed05f54f 126
mbed_official 0:7037ed05f54f 127 // Enable adaptive data rate
mbed_official 2:dc95ac6d6d4e 128 if (lorawan.enable_adaptive_datarate() != LORAWAN_STATUS_OK) {
mbed_official 0:7037ed05f54f 129 printf("\r\n enable_adaptive_datarate failed! \r\n");
mbed_official 0:7037ed05f54f 130 return -1;
mbed_official 0:7037ed05f54f 131 }
mbed_official 0:7037ed05f54f 132
mbed_official 0:7037ed05f54f 133 printf("\r\n Adaptive data rate (ADR) - Enabled \r\n");
mbed_official 0:7037ed05f54f 134
mbed_official 2:dc95ac6d6d4e 135 retcode = lorawan.connect();
mbed_official 0:7037ed05f54f 136
mbed_official 0:7037ed05f54f 137 if (retcode == LORAWAN_STATUS_OK ||
mbed_official 0:7037ed05f54f 138 retcode == LORAWAN_STATUS_CONNECT_IN_PROGRESS) {
mbed_official 0:7037ed05f54f 139 } else {
mbed_official 0:7037ed05f54f 140 printf("\r\n Connection error, code = %d \r\n", retcode);
mbed_official 0:7037ed05f54f 141 return -1;
mbed_official 0:7037ed05f54f 142 }
mbed_official 0:7037ed05f54f 143
mbed_official 0:7037ed05f54f 144 printf("\r\n Connection - In Progress ...\r\n");
mbed_official 0:7037ed05f54f 145
mbed_official 0:7037ed05f54f 146 // make your event queue dispatching events forever
mbed_official 0:7037ed05f54f 147 ev_queue.dispatch_forever();
mbed_official 3:8c7198d1a2a1 148
mbed_official 3:8c7198d1a2a1 149 return 0;
mbed_official 0:7037ed05f54f 150 }
mbed_official 0:7037ed05f54f 151
mbed_official 3:8c7198d1a2a1 152
mbed_official 0:7037ed05f54f 153 /**
mbed_official 0:7037ed05f54f 154 * Sends a message to the Network Server
mbed_official 0:7037ed05f54f 155 */
mbed_official 0:7037ed05f54f 156 static void send_message()
mbed_official 0:7037ed05f54f 157 {
mbed_official 0:7037ed05f54f 158 uint16_t packet_len;
mbed_official 0:7037ed05f54f 159 int16_t retcode;
mbed_official 0:7037ed05f54f 160 float sensor_value;
mbed_official 0:7037ed05f54f 161
mbed_official 0:7037ed05f54f 162 if (ds1820.begin()) {
mbed_official 0:7037ed05f54f 163 ds1820.startConversion();
mbed_official 0:7037ed05f54f 164 sensor_value = ds1820.read();
mbed_official 0:7037ed05f54f 165 printf("\r\n Dummy Sensor Value = %3.1f \r\n", sensor_value);
mbed_official 0:7037ed05f54f 166 ds1820.startConversion();
mbed_official 0:7037ed05f54f 167 } else {
mbed_official 0:7037ed05f54f 168 printf("\r\n No sensor found \r\n");
mbed_official 0:7037ed05f54f 169 return;
mbed_official 0:7037ed05f54f 170 }
mbed_official 0:7037ed05f54f 171
mbed_official 0:7037ed05f54f 172 packet_len = sprintf((char*) tx_buffer, "Dummy Sensor Value is %3.1f",
mbed_official 0:7037ed05f54f 173 sensor_value);
mbed_official 0:7037ed05f54f 174
mbed_official 2:dc95ac6d6d4e 175 retcode = lorawan.send(MBED_CONF_LORA_APP_PORT, tx_buffer, packet_len,
mbed_official 0:7037ed05f54f 176 MSG_CONFIRMED_FLAG);
mbed_official 0:7037ed05f54f 177
mbed_official 0:7037ed05f54f 178 if (retcode < 0) {
mbed_official 0:7037ed05f54f 179 retcode == LORAWAN_STATUS_WOULD_BLOCK ? printf("send - WOULD BLOCK\r\n")
mbed_official 0:7037ed05f54f 180 : printf("\r\n send() - Error code %d \r\n", retcode);
mbed_official 0:7037ed05f54f 181 return;
mbed_official 0:7037ed05f54f 182 }
mbed_official 0:7037ed05f54f 183
mbed_official 0:7037ed05f54f 184 printf("\r\n %d bytes scheduled for transmission \r\n", retcode);
mbed_official 12:5015dfead3f2 185 memset(tx_buffer, 0, sizeof(tx_buffer));
mbed_official 0:7037ed05f54f 186 }
mbed_official 0:7037ed05f54f 187
mbed_official 0:7037ed05f54f 188 /**
mbed_official 0:7037ed05f54f 189 * Receive a message from the Network Server
mbed_official 0:7037ed05f54f 190 */
mbed_official 0:7037ed05f54f 191 static void receive_message()
mbed_official 0:7037ed05f54f 192 {
mbed_official 0:7037ed05f54f 193 int16_t retcode;
mbed_official 2:dc95ac6d6d4e 194 retcode = lorawan.receive(MBED_CONF_LORA_APP_PORT, rx_buffer,
mbed_official 12:5015dfead3f2 195 sizeof(rx_buffer),
mbed_official 0:7037ed05f54f 196 MSG_CONFIRMED_FLAG|MSG_UNCONFIRMED_FLAG);
mbed_official 0:7037ed05f54f 197
mbed_official 0:7037ed05f54f 198 if (retcode < 0) {
mbed_official 0:7037ed05f54f 199 printf("\r\n receive() - Error code %d \r\n", retcode);
mbed_official 0:7037ed05f54f 200 return;
mbed_official 0:7037ed05f54f 201 }
mbed_official 0:7037ed05f54f 202
mbed_official 0:7037ed05f54f 203 printf(" Data:");
mbed_official 0:7037ed05f54f 204
mbed_official 0:7037ed05f54f 205 for (uint8_t i = 0; i < retcode; i++) {
mbed_official 0:7037ed05f54f 206 printf("%x", rx_buffer[i]);
mbed_official 0:7037ed05f54f 207 }
mbed_official 0:7037ed05f54f 208
mbed_official 0:7037ed05f54f 209 printf("\r\n Data Length: %d\r\n", retcode);
mbed_official 0:7037ed05f54f 210
mbed_official 12:5015dfead3f2 211 memset(rx_buffer, 0, sizeof(rx_buffer));
mbed_official 0:7037ed05f54f 212 }
mbed_official 0:7037ed05f54f 213
mbed_official 0:7037ed05f54f 214 /**
mbed_official 0:7037ed05f54f 215 * Event handler
mbed_official 0:7037ed05f54f 216 */
mbed_official 0:7037ed05f54f 217 static void lora_event_handler(lorawan_event_t event)
mbed_official 0:7037ed05f54f 218 {
mbed_official 0:7037ed05f54f 219 switch (event) {
mbed_official 0:7037ed05f54f 220 case CONNECTED:
mbed_official 0:7037ed05f54f 221 printf("\r\n Connection - Successful \r\n");
mbed_official 0:7037ed05f54f 222 if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
mbed_official 0:7037ed05f54f 223 send_message();
mbed_official 0:7037ed05f54f 224 } else {
mbed_official 0:7037ed05f54f 225 ev_queue.call_every(TX_TIMER, send_message);
mbed_official 0:7037ed05f54f 226 }
mbed_official 0:7037ed05f54f 227
mbed_official 0:7037ed05f54f 228 break;
mbed_official 0:7037ed05f54f 229 case DISCONNECTED:
mbed_official 0:7037ed05f54f 230 ev_queue.break_dispatch();
mbed_official 0:7037ed05f54f 231 printf("\r\n Disconnected Successfully \r\n");
mbed_official 0:7037ed05f54f 232 break;
mbed_official 0:7037ed05f54f 233 case TX_DONE:
mbed_official 0:7037ed05f54f 234 printf("\r\n Message Sent to Network Server \r\n");
mbed_official 0:7037ed05f54f 235 if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
mbed_official 0:7037ed05f54f 236 send_message();
mbed_official 0:7037ed05f54f 237 }
mbed_official 0:7037ed05f54f 238 break;
mbed_official 0:7037ed05f54f 239 case TX_TIMEOUT:
mbed_official 0:7037ed05f54f 240 case TX_ERROR:
mbed_official 0:7037ed05f54f 241 case TX_CRYPTO_ERROR:
mbed_official 0:7037ed05f54f 242 case TX_SCHEDULING_ERROR:
mbed_official 0:7037ed05f54f 243 printf("\r\n Transmission Error - EventCode = %d \r\n", event);
mbed_official 0:7037ed05f54f 244 // try again
mbed_official 0:7037ed05f54f 245 if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
mbed_official 0:7037ed05f54f 246 send_message();
mbed_official 0:7037ed05f54f 247 }
mbed_official 0:7037ed05f54f 248 break;
mbed_official 0:7037ed05f54f 249 case RX_DONE:
mbed_official 0:7037ed05f54f 250 printf("\r\n Received message from Network Server \r\n");
mbed_official 0:7037ed05f54f 251 receive_message();
mbed_official 0:7037ed05f54f 252 break;
mbed_official 0:7037ed05f54f 253 case RX_TIMEOUT:
mbed_official 0:7037ed05f54f 254 case RX_ERROR:
mbed_official 0:7037ed05f54f 255 printf("\r\n Error in reception - Code = %d \r\n", event);
mbed_official 0:7037ed05f54f 256 break;
mbed_official 0:7037ed05f54f 257 case JOIN_FAILURE:
mbed_official 0:7037ed05f54f 258 printf("\r\n OTAA Failed - Check Keys \r\n");
mbed_official 0:7037ed05f54f 259 break;
mbed_official 0:7037ed05f54f 260 default:
mbed_official 0:7037ed05f54f 261 MBED_ASSERT("Unknown Event");
mbed_official 0:7037ed05f54f 262 }
mbed_official 0:7037ed05f54f 263 }
mbed_official 0:7037ed05f54f 264
mbed_official 3:8c7198d1a2a1 265 #endif //DEVICE_SPI
mbed_official 3:8c7198d1a2a1 266
mbed_official 3:8c7198d1a2a1 267 #else
mbed_official 3:8c7198d1a2a1 268 int main (void)
mbed_official 3:8c7198d1a2a1 269 {
mbed_official 3:8c7198d1a2a1 270 return 0;
mbed_official 3:8c7198d1a2a1 271 }
mbed_official 3:8c7198d1a2a1 272 #endif //MBED_CONF_APP_LORAWAN_ENABLED
mbed_official 0:7037ed05f54f 273 // EOF