example using mbed loramac with GPS in application layer
This repository can work on NAmote72.
This main.cpp generates Cayenne LPP GPS payload.
See mbed documentation for provisioning instructions.
main.cpp@0:2e040cc7f7b8, 2019-01-03 (annotated)
- Committer:
- Wayne Roberts
- Date:
- Thu Jan 03 16:18:09 2019 -0800
- Revision:
- 0:2e040cc7f7b8
initial commit
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Wayne Roberts |
0:2e040cc7f7b8 | 1 | /** |
Wayne Roberts |
0:2e040cc7f7b8 | 2 | * Copyright (c) 2017, Arm Limited and affiliates. |
Wayne Roberts |
0:2e040cc7f7b8 | 3 | * SPDX-License-Identifier: Apache-2.0 |
Wayne Roberts |
0:2e040cc7f7b8 | 4 | * |
Wayne Roberts |
0:2e040cc7f7b8 | 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
Wayne Roberts |
0:2e040cc7f7b8 | 6 | * you may not use this file except in compliance with the License. |
Wayne Roberts |
0:2e040cc7f7b8 | 7 | * You may obtain a copy of the License at |
Wayne Roberts |
0:2e040cc7f7b8 | 8 | * |
Wayne Roberts |
0:2e040cc7f7b8 | 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
Wayne Roberts |
0:2e040cc7f7b8 | 10 | * |
Wayne Roberts |
0:2e040cc7f7b8 | 11 | * Unless required by applicable law or agreed to in writing, software |
Wayne Roberts |
0:2e040cc7f7b8 | 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
Wayne Roberts |
0:2e040cc7f7b8 | 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
Wayne Roberts |
0:2e040cc7f7b8 | 14 | * See the License for the specific language governing permissions and |
Wayne Roberts |
0:2e040cc7f7b8 | 15 | * limitations under the License. |
Wayne Roberts |
0:2e040cc7f7b8 | 16 | */ |
Wayne Roberts |
0:2e040cc7f7b8 | 17 | #include <stdio.h> |
Wayne Roberts |
0:2e040cc7f7b8 | 18 | |
Wayne Roberts |
0:2e040cc7f7b8 | 19 | #include "lorawan/LoRaWANInterface.h" |
Wayne Roberts |
0:2e040cc7f7b8 | 20 | #include "lorawan/system/lorawan_data_structures.h" |
Wayne Roberts |
0:2e040cc7f7b8 | 21 | #include "events/EventQueue.h" |
Wayne Roberts |
0:2e040cc7f7b8 | 22 | |
Wayne Roberts |
0:2e040cc7f7b8 | 23 | #include "mbed.h" |
Wayne Roberts |
0:2e040cc7f7b8 | 24 | // Application helpers |
Wayne Roberts |
0:2e040cc7f7b8 | 25 | #include "gps.h" |
Wayne Roberts |
0:2e040cc7f7b8 | 26 | #include "trace_helper.h" |
Wayne Roberts |
0:2e040cc7f7b8 | 27 | #include "lora_radio_helper.h" |
Wayne Roberts |
0:2e040cc7f7b8 | 28 | |
Wayne Roberts |
0:2e040cc7f7b8 | 29 | using namespace events; |
Wayne Roberts |
0:2e040cc7f7b8 | 30 | |
Wayne Roberts |
0:2e040cc7f7b8 | 31 | // Max payload size can be LORAMAC_PHY_MAXPAYLOAD. |
Wayne Roberts |
0:2e040cc7f7b8 | 32 | // This example only communicates with much shorter messages (<30 bytes). |
Wayne Roberts |
0:2e040cc7f7b8 | 33 | // If longer messages are used, these buffers must be changed accordingly. |
Wayne Roberts |
0:2e040cc7f7b8 | 34 | uint8_t tx_buffer[30]; |
Wayne Roberts |
0:2e040cc7f7b8 | 35 | uint8_t rx_buffer[30]; |
Wayne Roberts |
0:2e040cc7f7b8 | 36 | |
Wayne Roberts |
0:2e040cc7f7b8 | 37 | /* |
Wayne Roberts |
0:2e040cc7f7b8 | 38 | * Sets up an application dependent transmission timer in ms. Used only when Duty Cycling is off for testing |
Wayne Roberts |
0:2e040cc7f7b8 | 39 | */ |
Wayne Roberts |
0:2e040cc7f7b8 | 40 | #define TX_TIMER 10000 |
Wayne Roberts |
0:2e040cc7f7b8 | 41 | |
Wayne Roberts |
0:2e040cc7f7b8 | 42 | /** |
Wayne Roberts |
0:2e040cc7f7b8 | 43 | * Maximum number of events for the event queue. |
Wayne Roberts |
0:2e040cc7f7b8 | 44 | * 10 is the safe number for the stack events, however, if application |
Wayne Roberts |
0:2e040cc7f7b8 | 45 | * also uses the queue for whatever purposes, this number should be increased. |
Wayne Roberts |
0:2e040cc7f7b8 | 46 | */ |
Wayne Roberts |
0:2e040cc7f7b8 | 47 | #define MAX_NUMBER_OF_EVENTS 10 |
Wayne Roberts |
0:2e040cc7f7b8 | 48 | |
Wayne Roberts |
0:2e040cc7f7b8 | 49 | /** |
Wayne Roberts |
0:2e040cc7f7b8 | 50 | * Maximum number of retries for CONFIRMED messages before giving up |
Wayne Roberts |
0:2e040cc7f7b8 | 51 | */ |
Wayne Roberts |
0:2e040cc7f7b8 | 52 | #define CONFIRMED_MSG_RETRY_COUNTER 3 |
Wayne Roberts |
0:2e040cc7f7b8 | 53 | |
Wayne Roberts |
0:2e040cc7f7b8 | 54 | /** |
Wayne Roberts |
0:2e040cc7f7b8 | 55 | * Dummy pin for dummy sensor |
Wayne Roberts |
0:2e040cc7f7b8 | 56 | */ |
Wayne Roberts |
0:2e040cc7f7b8 | 57 | #define PC_9 0 |
Wayne Roberts |
0:2e040cc7f7b8 | 58 | |
Wayne Roberts |
0:2e040cc7f7b8 | 59 | /** |
Wayne Roberts |
0:2e040cc7f7b8 | 60 | * Dummy sensor class object |
Wayne Roberts |
0:2e040cc7f7b8 | 61 | */ |
Wayne Roberts |
0:2e040cc7f7b8 | 62 | //DS1820 ds1820(PC_9); |
Wayne Roberts |
0:2e040cc7f7b8 | 63 | |
Wayne Roberts |
0:2e040cc7f7b8 | 64 | /** |
Wayne Roberts |
0:2e040cc7f7b8 | 65 | * This event queue is the global event queue for both the |
Wayne Roberts |
0:2e040cc7f7b8 | 66 | * application and stack. To conserve memory, the stack is designed to run |
Wayne Roberts |
0:2e040cc7f7b8 | 67 | * in the same thread as the application and the application is responsible for |
Wayne Roberts |
0:2e040cc7f7b8 | 68 | * providing an event queue to the stack that will be used for ISR deferment as |
Wayne Roberts |
0:2e040cc7f7b8 | 69 | * well as application information event queuing. |
Wayne Roberts |
0:2e040cc7f7b8 | 70 | */ |
Wayne Roberts |
0:2e040cc7f7b8 | 71 | static EventQueue ev_queue(MAX_NUMBER_OF_EVENTS * EVENTS_EVENT_SIZE); |
Wayne Roberts |
0:2e040cc7f7b8 | 72 | |
Wayne Roberts |
0:2e040cc7f7b8 | 73 | /** |
Wayne Roberts |
0:2e040cc7f7b8 | 74 | * Event handler. |
Wayne Roberts |
0:2e040cc7f7b8 | 75 | * |
Wayne Roberts |
0:2e040cc7f7b8 | 76 | * This will be passed to the LoRaWAN stack to queue events for the |
Wayne Roberts |
0:2e040cc7f7b8 | 77 | * application which in turn drive the application. |
Wayne Roberts |
0:2e040cc7f7b8 | 78 | */ |
Wayne Roberts |
0:2e040cc7f7b8 | 79 | static void lora_event_handler(lorawan_event_t event); |
Wayne Roberts |
0:2e040cc7f7b8 | 80 | |
Wayne Roberts |
0:2e040cc7f7b8 | 81 | /** |
Wayne Roberts |
0:2e040cc7f7b8 | 82 | * Constructing Mbed LoRaWANInterface and passing it down the radio object. |
Wayne Roberts |
0:2e040cc7f7b8 | 83 | */ |
Wayne Roberts |
0:2e040cc7f7b8 | 84 | static LoRaWANInterface lorawan(radio); |
Wayne Roberts |
0:2e040cc7f7b8 | 85 | |
Wayne Roberts |
0:2e040cc7f7b8 | 86 | /** |
Wayne Roberts |
0:2e040cc7f7b8 | 87 | * Application specific callbacks |
Wayne Roberts |
0:2e040cc7f7b8 | 88 | */ |
Wayne Roberts |
0:2e040cc7f7b8 | 89 | static lorawan_app_callbacks_t callbacks; |
Wayne Roberts |
0:2e040cc7f7b8 | 90 | |
Wayne Roberts |
0:2e040cc7f7b8 | 91 | #ifdef TARGET_MOTE_L152RC |
Wayne Roberts |
0:2e040cc7f7b8 | 92 | GPS gps(PB_6, PB_7, PB_11); // on-board GPS pins (tx, rx, en) |
Wayne Roberts |
0:2e040cc7f7b8 | 93 | #elif defined(TARGET_FF_MORPHO) |
Wayne Roberts |
0:2e040cc7f7b8 | 94 | /* https://www.sparkfun.com/products/13740 */ |
Wayne Roberts |
0:2e040cc7f7b8 | 95 | #ifdef TARGET_DISCO_L072CZ_LRWAN1 |
Wayne Roberts |
0:2e040cc7f7b8 | 96 | GPS gps(PA_9, PA_10, NC); |
Wayne Roberts |
0:2e040cc7f7b8 | 97 | #else |
Wayne Roberts |
0:2e040cc7f7b8 | 98 | GPS gps(PC_10, PC_11, NC); |
Wayne Roberts |
0:2e040cc7f7b8 | 99 | #endif |
Wayne Roberts |
0:2e040cc7f7b8 | 100 | #endif |
Wayne Roberts |
0:2e040cc7f7b8 | 101 | |
Wayne Roberts |
0:2e040cc7f7b8 | 102 | void gps_service() |
Wayne Roberts |
0:2e040cc7f7b8 | 103 | { |
Wayne Roberts |
0:2e040cc7f7b8 | 104 | //int alt; |
Wayne Roberts |
0:2e040cc7f7b8 | 105 | |
Wayne Roberts |
0:2e040cc7f7b8 | 106 | gps.service(); |
Wayne Roberts |
0:2e040cc7f7b8 | 107 | |
Wayne Roberts |
0:2e040cc7f7b8 | 108 | //alt = atoi( gps.NmeaGpsData.NmeaAltitude ); |
Wayne Roberts |
0:2e040cc7f7b8 | 109 | //printf("lat:%f lon:%f alt:%d\r\n", gps.Latitude, gps.Longitude, alt); |
Wayne Roberts |
0:2e040cc7f7b8 | 110 | } |
Wayne Roberts |
0:2e040cc7f7b8 | 111 | |
Wayne Roberts |
0:2e040cc7f7b8 | 112 | #ifdef TARGET_MOTE_L152RC |
Wayne Roberts |
0:2e040cc7f7b8 | 113 | typedef enum |
Wayne Roberts |
0:2e040cc7f7b8 | 114 | { |
Wayne Roberts |
0:2e040cc7f7b8 | 115 | BOARD_VERSION_NONE = 0, |
Wayne Roberts |
0:2e040cc7f7b8 | 116 | BOARD_VERSION_2, |
Wayne Roberts |
0:2e040cc7f7b8 | 117 | BOARD_VERSION_3, |
Wayne Roberts |
0:2e040cc7f7b8 | 118 | }BoardVersion_t; |
Wayne Roberts |
0:2e040cc7f7b8 | 119 | |
Wayne Roberts |
0:2e040cc7f7b8 | 120 | DigitalOut Pc7( PC_7 ); |
Wayne Roberts |
0:2e040cc7f7b8 | 121 | DigitalIn Pc1( PC_1 ); |
Wayne Roberts |
0:2e040cc7f7b8 | 122 | BoardVersion_t BoardGetVersion( void ) |
Wayne Roberts |
0:2e040cc7f7b8 | 123 | { |
Wayne Roberts |
0:2e040cc7f7b8 | 124 | Pc7 = 1; |
Wayne Roberts |
0:2e040cc7f7b8 | 125 | char first = Pc1; |
Wayne Roberts |
0:2e040cc7f7b8 | 126 | Pc7 = 0; |
Wayne Roberts |
0:2e040cc7f7b8 | 127 | |
Wayne Roberts |
0:2e040cc7f7b8 | 128 | if( first && !Pc1 ) |
Wayne Roberts |
0:2e040cc7f7b8 | 129 | { |
Wayne Roberts |
0:2e040cc7f7b8 | 130 | return BOARD_VERSION_2; |
Wayne Roberts |
0:2e040cc7f7b8 | 131 | } |
Wayne Roberts |
0:2e040cc7f7b8 | 132 | else |
Wayne Roberts |
0:2e040cc7f7b8 | 133 | { |
Wayne Roberts |
0:2e040cc7f7b8 | 134 | return BOARD_VERSION_3; |
Wayne Roberts |
0:2e040cc7f7b8 | 135 | } |
Wayne Roberts |
0:2e040cc7f7b8 | 136 | } |
Wayne Roberts |
0:2e040cc7f7b8 | 137 | AnalogIn *Battery; |
Wayne Roberts |
0:2e040cc7f7b8 | 138 | #endif /* TARGET_MOTE_L152RC */ |
Wayne Roberts |
0:2e040cc7f7b8 | 139 | |
Wayne Roberts |
0:2e040cc7f7b8 | 140 | /** |
Wayne Roberts |
0:2e040cc7f7b8 | 141 | * Entry point for application |
Wayne Roberts |
0:2e040cc7f7b8 | 142 | */ |
Wayne Roberts |
0:2e040cc7f7b8 | 143 | int main (void) |
Wayne Roberts |
0:2e040cc7f7b8 | 144 | { |
Wayne Roberts |
0:2e040cc7f7b8 | 145 | // setup tracing |
Wayne Roberts |
0:2e040cc7f7b8 | 146 | setup_trace(); |
Wayne Roberts |
0:2e040cc7f7b8 | 147 | |
Wayne Roberts |
0:2e040cc7f7b8 | 148 | // stores the status of a call to LoRaWAN protocol |
Wayne Roberts |
0:2e040cc7f7b8 | 149 | lorawan_status_t retcode; |
Wayne Roberts |
0:2e040cc7f7b8 | 150 | |
Wayne Roberts |
0:2e040cc7f7b8 | 151 | #ifdef TARGET_MOTE_L152RC |
Wayne Roberts |
0:2e040cc7f7b8 | 152 | switch( BoardGetVersion( ) ) |
Wayne Roberts |
0:2e040cc7f7b8 | 153 | { |
Wayne Roberts |
0:2e040cc7f7b8 | 154 | case BOARD_VERSION_2: |
Wayne Roberts |
0:2e040cc7f7b8 | 155 | Battery = new AnalogIn( PA_0 ); |
Wayne Roberts |
0:2e040cc7f7b8 | 156 | gps.en_invert = true; |
Wayne Roberts |
0:2e040cc7f7b8 | 157 | printf("v2-mote\r\n"); |
Wayne Roberts |
0:2e040cc7f7b8 | 158 | break; |
Wayne Roberts |
0:2e040cc7f7b8 | 159 | case BOARD_VERSION_3: |
Wayne Roberts |
0:2e040cc7f7b8 | 160 | Battery = new AnalogIn( PA_1 ); |
Wayne Roberts |
0:2e040cc7f7b8 | 161 | gps.en_invert = false; |
Wayne Roberts |
0:2e040cc7f7b8 | 162 | printf("v3-mote\r\n"); |
Wayne Roberts |
0:2e040cc7f7b8 | 163 | break; |
Wayne Roberts |
0:2e040cc7f7b8 | 164 | default: |
Wayne Roberts |
0:2e040cc7f7b8 | 165 | break; |
Wayne Roberts |
0:2e040cc7f7b8 | 166 | } |
Wayne Roberts |
0:2e040cc7f7b8 | 167 | #endif /* TARGET_MOTE_L152RC */ |
Wayne Roberts |
0:2e040cc7f7b8 | 168 | gps.init(); |
Wayne Roberts |
0:2e040cc7f7b8 | 169 | gps.enable(1); |
Wayne Roberts |
0:2e040cc7f7b8 | 170 | gps.m_uart.baud(9600); // override platform serial baud rate |
Wayne Roberts |
0:2e040cc7f7b8 | 171 | |
Wayne Roberts |
0:2e040cc7f7b8 | 172 | // Initialize LoRaWAN stack |
Wayne Roberts |
0:2e040cc7f7b8 | 173 | if (lorawan.initialize(&ev_queue) != LORAWAN_STATUS_OK) { |
Wayne Roberts |
0:2e040cc7f7b8 | 174 | printf("\r\n LoRa initialization failed! \r\n"); |
Wayne Roberts |
0:2e040cc7f7b8 | 175 | return -1; |
Wayne Roberts |
0:2e040cc7f7b8 | 176 | } |
Wayne Roberts |
0:2e040cc7f7b8 | 177 | |
Wayne Roberts |
0:2e040cc7f7b8 | 178 | printf("\r\n Mbed LoRaWANStack initialized \r\n"); |
Wayne Roberts |
0:2e040cc7f7b8 | 179 | |
Wayne Roberts |
0:2e040cc7f7b8 | 180 | // prepare application callbacks |
Wayne Roberts |
0:2e040cc7f7b8 | 181 | callbacks.events = mbed::callback(lora_event_handler); |
Wayne Roberts |
0:2e040cc7f7b8 | 182 | lorawan.add_app_callbacks(&callbacks); |
Wayne Roberts |
0:2e040cc7f7b8 | 183 | |
Wayne Roberts |
0:2e040cc7f7b8 | 184 | // Set number of retries in case of CONFIRMED messages |
Wayne Roberts |
0:2e040cc7f7b8 | 185 | if (lorawan.set_confirmed_msg_retries(CONFIRMED_MSG_RETRY_COUNTER) |
Wayne Roberts |
0:2e040cc7f7b8 | 186 | != LORAWAN_STATUS_OK) { |
Wayne Roberts |
0:2e040cc7f7b8 | 187 | printf("\r\n set_confirmed_msg_retries failed! \r\n\r\n"); |
Wayne Roberts |
0:2e040cc7f7b8 | 188 | return -1; |
Wayne Roberts |
0:2e040cc7f7b8 | 189 | } |
Wayne Roberts |
0:2e040cc7f7b8 | 190 | |
Wayne Roberts |
0:2e040cc7f7b8 | 191 | printf("\r\n CONFIRMED message retries : %d \r\n", |
Wayne Roberts |
0:2e040cc7f7b8 | 192 | CONFIRMED_MSG_RETRY_COUNTER); |
Wayne Roberts |
0:2e040cc7f7b8 | 193 | |
Wayne Roberts |
0:2e040cc7f7b8 | 194 | // Enable adaptive data rate |
Wayne Roberts |
0:2e040cc7f7b8 | 195 | if (lorawan.enable_adaptive_datarate() != LORAWAN_STATUS_OK) { |
Wayne Roberts |
0:2e040cc7f7b8 | 196 | printf("\r\n enable_adaptive_datarate failed! \r\n"); |
Wayne Roberts |
0:2e040cc7f7b8 | 197 | return -1; |
Wayne Roberts |
0:2e040cc7f7b8 | 198 | } |
Wayne Roberts |
0:2e040cc7f7b8 | 199 | |
Wayne Roberts |
0:2e040cc7f7b8 | 200 | printf("\r\n Adaptive data rate (ADR) - Enabled \r\n"); |
Wayne Roberts |
0:2e040cc7f7b8 | 201 | |
Wayne Roberts |
0:2e040cc7f7b8 | 202 | retcode = lorawan.connect(); |
Wayne Roberts |
0:2e040cc7f7b8 | 203 | |
Wayne Roberts |
0:2e040cc7f7b8 | 204 | if (retcode == LORAWAN_STATUS_OK || |
Wayne Roberts |
0:2e040cc7f7b8 | 205 | retcode == LORAWAN_STATUS_CONNECT_IN_PROGRESS) { |
Wayne Roberts |
0:2e040cc7f7b8 | 206 | } else { |
Wayne Roberts |
0:2e040cc7f7b8 | 207 | printf("\r\n Connection error, code = %d \r\n", retcode); |
Wayne Roberts |
0:2e040cc7f7b8 | 208 | return -1; |
Wayne Roberts |
0:2e040cc7f7b8 | 209 | } |
Wayne Roberts |
0:2e040cc7f7b8 | 210 | |
Wayne Roberts |
0:2e040cc7f7b8 | 211 | printf("\r\n Connection - In Progress ...\r\n"); |
Wayne Roberts |
0:2e040cc7f7b8 | 212 | |
Wayne Roberts |
0:2e040cc7f7b8 | 213 | // make your event queue dispatching events forever |
Wayne Roberts |
0:2e040cc7f7b8 | 214 | ev_queue.dispatch_forever(); |
Wayne Roberts |
0:2e040cc7f7b8 | 215 | |
Wayne Roberts |
0:2e040cc7f7b8 | 216 | return 0; |
Wayne Roberts |
0:2e040cc7f7b8 | 217 | } |
Wayne Roberts |
0:2e040cc7f7b8 | 218 | |
Wayne Roberts |
0:2e040cc7f7b8 | 219 | #define LPP_DIGITAL_INPUT 0 // 1 byte |
Wayne Roberts |
0:2e040cc7f7b8 | 220 | #define LPP_DIGITAL_OUTPUT 1 // 1 byte |
Wayne Roberts |
0:2e040cc7f7b8 | 221 | #define LPP_ANALOG_INPUT 2 // 2 bytes, 0.01 signed |
Wayne Roberts |
0:2e040cc7f7b8 | 222 | #define LPP_ANALOG_OUTPUT 3 // 2 bytes, 0.01 signed |
Wayne Roberts |
0:2e040cc7f7b8 | 223 | #define LPP_LUMINOSITY 101 // 2 bytes, 1 lux unsigned |
Wayne Roberts |
0:2e040cc7f7b8 | 224 | #define LPP_PRESENCE 102 // 1 byte, 1 |
Wayne Roberts |
0:2e040cc7f7b8 | 225 | #define LPP_TEMPERATURE 103 // 2 bytes, 0.1°C signed |
Wayne Roberts |
0:2e040cc7f7b8 | 226 | #define LPP_RELATIVE_HUMIDITY 104 // 1 byte, 0.5% unsigned |
Wayne Roberts |
0:2e040cc7f7b8 | 227 | #define LPP_ACCELEROMETER 113 // 2 bytes per axis, 0.001G |
Wayne Roberts |
0:2e040cc7f7b8 | 228 | #define LPP_BAROMETRIC_PRESSURE 115 // 2 bytes 0.1 hPa Unsigned |
Wayne Roberts |
0:2e040cc7f7b8 | 229 | #define LPP_GYROMETER 134 // 2 bytes per axis, 0.01 °/s |
Wayne Roberts |
0:2e040cc7f7b8 | 230 | #define LPP_GPS 136 // 3 byte lon/lat 0.0001 °, 3 bytes alt 0.01m |
Wayne Roberts |
0:2e040cc7f7b8 | 231 | |
Wayne Roberts |
0:2e040cc7f7b8 | 232 | |
Wayne Roberts |
0:2e040cc7f7b8 | 233 | // Data ID + Data Type + Data Size |
Wayne Roberts |
0:2e040cc7f7b8 | 234 | #define LPP_DIGITAL_INPUT_SIZE 3 |
Wayne Roberts |
0:2e040cc7f7b8 | 235 | #define LPP_DIGITAL_OUTPUT_SIZE 3 |
Wayne Roberts |
0:2e040cc7f7b8 | 236 | #define LPP_ANALOG_INPUT_SIZE 4 |
Wayne Roberts |
0:2e040cc7f7b8 | 237 | #define LPP_ANALOG_OUTPUT_SIZE 4 |
Wayne Roberts |
0:2e040cc7f7b8 | 238 | #define LPP_LUMINOSITY_SIZE 4 |
Wayne Roberts |
0:2e040cc7f7b8 | 239 | #define LPP_PRESENCE_SIZE 3 |
Wayne Roberts |
0:2e040cc7f7b8 | 240 | #define LPP_TEMPERATURE_SIZE 4 |
Wayne Roberts |
0:2e040cc7f7b8 | 241 | #define LPP_RELATIVE_HUMIDITY_SIZE 3 |
Wayne Roberts |
0:2e040cc7f7b8 | 242 | #define LPP_ACCELEROMETER_SIZE 8 |
Wayne Roberts |
0:2e040cc7f7b8 | 243 | #define LPP_BAROMETRIC_PRESSURE_SIZE 4 |
Wayne Roberts |
0:2e040cc7f7b8 | 244 | #define LPP_GYROMETER_SIZE 8 |
Wayne Roberts |
0:2e040cc7f7b8 | 245 | #define LPP_GPS_SIZE 11 |
Wayne Roberts |
0:2e040cc7f7b8 | 246 | |
Wayne Roberts |
0:2e040cc7f7b8 | 247 | #define CAYENNE_CH_GPS 5 |
Wayne Roberts |
0:2e040cc7f7b8 | 248 | |
Wayne Roberts |
0:2e040cc7f7b8 | 249 | |
Wayne Roberts |
0:2e040cc7f7b8 | 250 | /** |
Wayne Roberts |
0:2e040cc7f7b8 | 251 | * Sends a message to the Network Server |
Wayne Roberts |
0:2e040cc7f7b8 | 252 | */ |
Wayne Roberts |
0:2e040cc7f7b8 | 253 | static void send_message() |
Wayne Roberts |
0:2e040cc7f7b8 | 254 | { |
Wayne Roberts |
0:2e040cc7f7b8 | 255 | int32_t lat, lon, alt; |
Wayne Roberts |
0:2e040cc7f7b8 | 256 | uint16_t packet_len; |
Wayne Roberts |
0:2e040cc7f7b8 | 257 | int16_t retcode; |
Wayne Roberts |
0:2e040cc7f7b8 | 258 | |
Wayne Roberts |
0:2e040cc7f7b8 | 259 | lat = gps.Latitude * 10000; |
Wayne Roberts |
0:2e040cc7f7b8 | 260 | lon = gps.Longitude * 10000; |
Wayne Roberts |
0:2e040cc7f7b8 | 261 | alt = atoi(gps.NmeaGpsData.NmeaAltitude) * 100; |
Wayne Roberts |
0:2e040cc7f7b8 | 262 | |
Wayne Roberts |
0:2e040cc7f7b8 | 263 | packet_len = 0; |
Wayne Roberts |
0:2e040cc7f7b8 | 264 | tx_buffer[packet_len++] = CAYENNE_CH_GPS; |
Wayne Roberts |
0:2e040cc7f7b8 | 265 | tx_buffer[packet_len++] = LPP_GPS; |
Wayne Roberts |
0:2e040cc7f7b8 | 266 | tx_buffer[packet_len++] = lat >> 16; |
Wayne Roberts |
0:2e040cc7f7b8 | 267 | tx_buffer[packet_len++] = lat >> 8; |
Wayne Roberts |
0:2e040cc7f7b8 | 268 | tx_buffer[packet_len++] = lat; |
Wayne Roberts |
0:2e040cc7f7b8 | 269 | tx_buffer[packet_len++] = lon >> 16; |
Wayne Roberts |
0:2e040cc7f7b8 | 270 | tx_buffer[packet_len++] = lon >> 8; |
Wayne Roberts |
0:2e040cc7f7b8 | 271 | tx_buffer[packet_len++] = lon; |
Wayne Roberts |
0:2e040cc7f7b8 | 272 | tx_buffer[packet_len++] = alt >> 16; |
Wayne Roberts |
0:2e040cc7f7b8 | 273 | tx_buffer[packet_len++] = alt >> 8; |
Wayne Roberts |
0:2e040cc7f7b8 | 274 | tx_buffer[packet_len++] = alt; |
Wayne Roberts |
0:2e040cc7f7b8 | 275 | |
Wayne Roberts |
0:2e040cc7f7b8 | 276 | retcode = lorawan.send(MBED_CONF_LORA_APP_PORT, tx_buffer, packet_len, |
Wayne Roberts |
0:2e040cc7f7b8 | 277 | MSG_CONFIRMED_FLAG); |
Wayne Roberts |
0:2e040cc7f7b8 | 278 | |
Wayne Roberts |
0:2e040cc7f7b8 | 279 | if (retcode < 0) { |
Wayne Roberts |
0:2e040cc7f7b8 | 280 | retcode == LORAWAN_STATUS_WOULD_BLOCK ? printf("send - WOULD BLOCK\r\n") |
Wayne Roberts |
0:2e040cc7f7b8 | 281 | : printf("\r\n send() - Error code %d \r\n", retcode); |
Wayne Roberts |
0:2e040cc7f7b8 | 282 | |
Wayne Roberts |
0:2e040cc7f7b8 | 283 | if (retcode == LORAWAN_STATUS_WOULD_BLOCK) { |
Wayne Roberts |
0:2e040cc7f7b8 | 284 | //retry in 3 seconds |
Wayne Roberts |
0:2e040cc7f7b8 | 285 | if (MBED_CONF_LORA_DUTY_CYCLE_ON) { |
Wayne Roberts |
0:2e040cc7f7b8 | 286 | ev_queue.call_in(3000, send_message); |
Wayne Roberts |
0:2e040cc7f7b8 | 287 | } |
Wayne Roberts |
0:2e040cc7f7b8 | 288 | } |
Wayne Roberts |
0:2e040cc7f7b8 | 289 | return; |
Wayne Roberts |
0:2e040cc7f7b8 | 290 | } |
Wayne Roberts |
0:2e040cc7f7b8 | 291 | for (alt = 0; alt < packet_len; alt++) { |
Wayne Roberts |
0:2e040cc7f7b8 | 292 | printf("%02x", tx_buffer[alt]); |
Wayne Roberts |
0:2e040cc7f7b8 | 293 | } |
Wayne Roberts |
0:2e040cc7f7b8 | 294 | |
Wayne Roberts |
0:2e040cc7f7b8 | 295 | alt = atoi( gps.NmeaGpsData.NmeaAltitude ); |
Wayne Roberts |
0:2e040cc7f7b8 | 296 | printf("\r\n %d bytes scheduled for tx\tlat:%f lon:%f alt:%d\r\n", retcode, gps.Latitude, gps.Longitude, (int)alt); |
Wayne Roberts |
0:2e040cc7f7b8 | 297 | memset(tx_buffer, 0, sizeof(tx_buffer)); |
Wayne Roberts |
0:2e040cc7f7b8 | 298 | } |
Wayne Roberts |
0:2e040cc7f7b8 | 299 | |
Wayne Roberts |
0:2e040cc7f7b8 | 300 | /** |
Wayne Roberts |
0:2e040cc7f7b8 | 301 | * Receive a message from the Network Server |
Wayne Roberts |
0:2e040cc7f7b8 | 302 | */ |
Wayne Roberts |
0:2e040cc7f7b8 | 303 | static void receive_message() |
Wayne Roberts |
0:2e040cc7f7b8 | 304 | { |
Wayne Roberts |
0:2e040cc7f7b8 | 305 | int16_t retcode; |
Wayne Roberts |
0:2e040cc7f7b8 | 306 | retcode = lorawan.receive(MBED_CONF_LORA_APP_PORT, rx_buffer, |
Wayne Roberts |
0:2e040cc7f7b8 | 307 | sizeof(rx_buffer), |
Wayne Roberts |
0:2e040cc7f7b8 | 308 | MSG_CONFIRMED_FLAG|MSG_UNCONFIRMED_FLAG); |
Wayne Roberts |
0:2e040cc7f7b8 | 309 | |
Wayne Roberts |
0:2e040cc7f7b8 | 310 | if (retcode < 0) { |
Wayne Roberts |
0:2e040cc7f7b8 | 311 | printf("\r\n receive() - Error code %d \r\n", retcode); |
Wayne Roberts |
0:2e040cc7f7b8 | 312 | return; |
Wayne Roberts |
0:2e040cc7f7b8 | 313 | } |
Wayne Roberts |
0:2e040cc7f7b8 | 314 | |
Wayne Roberts |
0:2e040cc7f7b8 | 315 | printf(" Data:"); |
Wayne Roberts |
0:2e040cc7f7b8 | 316 | |
Wayne Roberts |
0:2e040cc7f7b8 | 317 | for (uint8_t i = 0; i < retcode; i++) { |
Wayne Roberts |
0:2e040cc7f7b8 | 318 | printf("%x", rx_buffer[i]); |
Wayne Roberts |
0:2e040cc7f7b8 | 319 | } |
Wayne Roberts |
0:2e040cc7f7b8 | 320 | |
Wayne Roberts |
0:2e040cc7f7b8 | 321 | printf("\r\n Data Length: %d\r\n", retcode); |
Wayne Roberts |
0:2e040cc7f7b8 | 322 | |
Wayne Roberts |
0:2e040cc7f7b8 | 323 | memset(rx_buffer, 0, sizeof(rx_buffer)); |
Wayne Roberts |
0:2e040cc7f7b8 | 324 | } |
Wayne Roberts |
0:2e040cc7f7b8 | 325 | |
Wayne Roberts |
0:2e040cc7f7b8 | 326 | /** |
Wayne Roberts |
0:2e040cc7f7b8 | 327 | * Event handler |
Wayne Roberts |
0:2e040cc7f7b8 | 328 | */ |
Wayne Roberts |
0:2e040cc7f7b8 | 329 | static void lora_event_handler(lorawan_event_t event) |
Wayne Roberts |
0:2e040cc7f7b8 | 330 | { |
Wayne Roberts |
0:2e040cc7f7b8 | 331 | |
Wayne Roberts |
0:2e040cc7f7b8 | 332 | switch (event) { |
Wayne Roberts |
0:2e040cc7f7b8 | 333 | case CONNECTED: |
Wayne Roberts |
0:2e040cc7f7b8 | 334 | printf("\r\n Connection - Successful "); |
Wayne Roberts |
0:2e040cc7f7b8 | 335 | ev_queue.call_every(1000, gps_service); |
Wayne Roberts |
0:2e040cc7f7b8 | 336 | if (MBED_CONF_LORA_DUTY_CYCLE_ON) { |
Wayne Roberts |
0:2e040cc7f7b8 | 337 | printf("DUTY_ON\r\n"); |
Wayne Roberts |
0:2e040cc7f7b8 | 338 | send_message(); |
Wayne Roberts |
0:2e040cc7f7b8 | 339 | } else { |
Wayne Roberts |
0:2e040cc7f7b8 | 340 | printf("(duty off)\r\n"); |
Wayne Roberts |
0:2e040cc7f7b8 | 341 | ev_queue.call_every(TX_TIMER, send_message); |
Wayne Roberts |
0:2e040cc7f7b8 | 342 | } |
Wayne Roberts |
0:2e040cc7f7b8 | 343 | |
Wayne Roberts |
0:2e040cc7f7b8 | 344 | break; |
Wayne Roberts |
0:2e040cc7f7b8 | 345 | case DISCONNECTED: |
Wayne Roberts |
0:2e040cc7f7b8 | 346 | ev_queue.break_dispatch(); |
Wayne Roberts |
0:2e040cc7f7b8 | 347 | printf("\r\n Disconnected Successfully \r\n"); |
Wayne Roberts |
0:2e040cc7f7b8 | 348 | break; |
Wayne Roberts |
0:2e040cc7f7b8 | 349 | case TX_DONE: |
Wayne Roberts |
0:2e040cc7f7b8 | 350 | printf("\r\n Message Sent to Network Server \r\n"); |
Wayne Roberts |
0:2e040cc7f7b8 | 351 | /*if (MBED_CONF_LORA_DUTY_CYCLE_ON) { |
Wayne Roberts |
0:2e040cc7f7b8 | 352 | send_message(); |
Wayne Roberts |
0:2e040cc7f7b8 | 353 | }*/ |
Wayne Roberts |
0:2e040cc7f7b8 | 354 | break; |
Wayne Roberts |
0:2e040cc7f7b8 | 355 | case TX_TIMEOUT: |
Wayne Roberts |
0:2e040cc7f7b8 | 356 | printf("\r\nTX_TIMEOUT\r\n"); |
Wayne Roberts |
0:2e040cc7f7b8 | 357 | // try again |
Wayne Roberts |
0:2e040cc7f7b8 | 358 | /*if (MBED_CONF_LORA_DUTY_CYCLE_ON) { |
Wayne Roberts |
0:2e040cc7f7b8 | 359 | send_message(); |
Wayne Roberts |
0:2e040cc7f7b8 | 360 | }*/ |
Wayne Roberts |
0:2e040cc7f7b8 | 361 | break; |
Wayne Roberts |
0:2e040cc7f7b8 | 362 | case TX_ERROR: |
Wayne Roberts |
0:2e040cc7f7b8 | 363 | // no ack was received after enough retries |
Wayne Roberts |
0:2e040cc7f7b8 | 364 | printf("\r\nTX_ERROR\r\n"); |
Wayne Roberts |
0:2e040cc7f7b8 | 365 | // try again |
Wayne Roberts |
0:2e040cc7f7b8 | 366 | /*if (MBED_CONF_LORA_DUTY_CYCLE_ON) { |
Wayne Roberts |
0:2e040cc7f7b8 | 367 | send_message(); |
Wayne Roberts |
0:2e040cc7f7b8 | 368 | }*/ |
Wayne Roberts |
0:2e040cc7f7b8 | 369 | break; |
Wayne Roberts |
0:2e040cc7f7b8 | 370 | case TX_CRYPTO_ERROR: |
Wayne Roberts |
0:2e040cc7f7b8 | 371 | printf("\r\nTX_CRYPTO_ERROR\r\n"); |
Wayne Roberts |
0:2e040cc7f7b8 | 372 | // try again |
Wayne Roberts |
0:2e040cc7f7b8 | 373 | /*if (MBED_CONF_LORA_DUTY_CYCLE_ON) { |
Wayne Roberts |
0:2e040cc7f7b8 | 374 | send_message(); |
Wayne Roberts |
0:2e040cc7f7b8 | 375 | }*/ |
Wayne Roberts |
0:2e040cc7f7b8 | 376 | break; |
Wayne Roberts |
0:2e040cc7f7b8 | 377 | case TX_SCHEDULING_ERROR: |
Wayne Roberts |
0:2e040cc7f7b8 | 378 | printf("\r\nTX_SCHEDULING_ERROR\r\n"); |
Wayne Roberts |
0:2e040cc7f7b8 | 379 | // try again |
Wayne Roberts |
0:2e040cc7f7b8 | 380 | /*if (MBED_CONF_LORA_DUTY_CYCLE_ON) { |
Wayne Roberts |
0:2e040cc7f7b8 | 381 | send_message(); |
Wayne Roberts |
0:2e040cc7f7b8 | 382 | }*/ |
Wayne Roberts |
0:2e040cc7f7b8 | 383 | break; |
Wayne Roberts |
0:2e040cc7f7b8 | 384 | case RX_DONE: |
Wayne Roberts |
0:2e040cc7f7b8 | 385 | printf("\r\n Received message from Network Server \r\n"); |
Wayne Roberts |
0:2e040cc7f7b8 | 386 | receive_message(); |
Wayne Roberts |
0:2e040cc7f7b8 | 387 | break; |
Wayne Roberts |
0:2e040cc7f7b8 | 388 | case RX_TIMEOUT: |
Wayne Roberts |
0:2e040cc7f7b8 | 389 | case RX_ERROR: |
Wayne Roberts |
0:2e040cc7f7b8 | 390 | printf("\r\n Error in reception - Code = %d \r\n", event); |
Wayne Roberts |
0:2e040cc7f7b8 | 391 | break; |
Wayne Roberts |
0:2e040cc7f7b8 | 392 | case JOIN_FAILURE: |
Wayne Roberts |
0:2e040cc7f7b8 | 393 | printf("\r\n OTAA Failed - Check Keys \r\n"); |
Wayne Roberts |
0:2e040cc7f7b8 | 394 | break; |
Wayne Roberts |
0:2e040cc7f7b8 | 395 | case UPLINK_REQUIRED: |
Wayne Roberts |
0:2e040cc7f7b8 | 396 | printf("\r\n Uplink required by NS \r\n"); |
Wayne Roberts |
0:2e040cc7f7b8 | 397 | if (MBED_CONF_LORA_DUTY_CYCLE_ON) { |
Wayne Roberts |
0:2e040cc7f7b8 | 398 | send_message(); |
Wayne Roberts |
0:2e040cc7f7b8 | 399 | } |
Wayne Roberts |
0:2e040cc7f7b8 | 400 | break; |
Wayne Roberts |
0:2e040cc7f7b8 | 401 | default: |
Wayne Roberts |
0:2e040cc7f7b8 | 402 | MBED_ASSERT("Unknown Event"); |
Wayne Roberts |
0:2e040cc7f7b8 | 403 | } |
Wayne Roberts |
0:2e040cc7f7b8 | 404 | } |
Wayne Roberts |
0:2e040cc7f7b8 | 405 | |
Wayne Roberts |
0:2e040cc7f7b8 | 406 | // EOF |