Raghu Tirumala / Mbed OS ATT_IoT_Project

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   BufferedSoftSerial SDFileSystem

Fork of ATT_AWS_IoT_demo by AT&T IoT

main.cpp@32:acf84c7d0075, 2017-08-02 (annotated)

Committer:
RaghuT
Date:
Wed Aug 02 08:04:25 2017 +0000
Revision:
32:acf84c7d0075
Parent:
30:d2a7e413f658
Child:
33:48172a2972b6
week 7

Who changed what in which revision?

UserRevisionLine numberNew contents of line
RaghuT 28:d549de7c3aad 1 #include <cstdlib>
ampembeng 15:6f2798e45099 2 #include "mbed.h"
ampembeng 15:6f2798e45099 3
ampembeng 15:6f2798e45099 4 // Serial extension
ampembeng 15:6f2798e45099 5 #include "MODSERIAL.h"
RaghuT 28:d549de7c3aad 6 #include "SoftSerial.h"
RaghuT 28:d549de7c3aad 7 #include "BufferedSoftSerial.h"
Janos Follath 0:fc70c47eecb4 8
ampembeng 15:6f2798e45099 9 // Network includes
ampembeng 15:6f2798e45099 10 #include "WNCInterface.h"
ampembeng 15:6f2798e45099 11 #include "network_interface.h"
RaghuT 28:d549de7c3aad 12 #include "WncControllerK64F/WncController/WncController.h"
Janos Follath 0:fc70c47eecb4 13
ampembeng 15:6f2798e45099 14 // AWS includes
ampembeng 15:6f2798e45099 15 #include "aws_iot_log.h"
ampembeng 15:6f2798e45099 16 #include "aws_iot_version.h"
ampembeng 15:6f2798e45099 17 #include "aws_iot_shadow_interface.h"
ampembeng 15:6f2798e45099 18 #include "aws_iot_shadow_json_data.h"
ampembeng 15:6f2798e45099 19 #include "aws_iot_config.h"
ampembeng 15:6f2798e45099 20 #include "aws_iot_mqtt_interface.h"
mbed_official 12:1ae41c231014 21
Janos Follath 0:fc70c47eecb4 22 #if DEBUG_LEVEL > 0
Janos Follath 0:fc70c47eecb4 23 #include "mbedtls/debug.h"
Janos Follath 0:fc70c47eecb4 24 #endif
Janos Follath 0:fc70c47eecb4 25
ampembeng 15:6f2798e45099 26 //=====================================================================================================================
ampembeng 15:6f2798e45099 27 //
ampembeng 15:6f2798e45099 28 // Defines
ampembeng 15:6f2798e45099 29 //
ampembeng 15:6f2798e45099 30 //=====================================================================================================================
ampembeng 15:6f2798e45099 31 // LED Colors
ampembeng 15:6f2798e45099 32 #define COLOR_OFF 0x00
ampembeng 15:6f2798e45099 33 #define COLOR_RED 0x01
ampembeng 15:6f2798e45099 34 #define COLOR_GREEN 0x02
ampembeng 15:6f2798e45099 35 #define COLOR_BLUE 0x04
ampembeng 15:6f2798e45099 36 #define COLOR_WHITE 0x07
ampembeng 15:6f2798e45099 37 #define NUM_COLORS 5
Janos Follath 0:fc70c47eecb4 38
ampembeng 15:6f2798e45099 39 // AWS defines
ampembeng 18:6370da1de572 40 #define PATH_MAX 1024
RaghuT 28:d549de7c3aad 41 #define MAX_LENGTH_OF_UPDATE_JSON_BUFFER 500 // NOTE: Be wary of this if your JSON doc grows
ampembeng 15:6f2798e45099 42 #define SHADOW_SYNC_INTERVAL 3.0 // How often we sync with AWS Shadow (in seconds)
Janos Follath 0:fc70c47eecb4 43
ampembeng 15:6f2798e45099 44 // Comment out the following line if color is not supported on the terminal
ampembeng 15:6f2798e45099 45 //#define USE_COLOR
ampembeng 15:6f2798e45099 46 #ifdef USE_COLOR
RaghuT 29:319446cd2880 47 #define BLK "\033[30m"
RaghuT 29:319446cd2880 48 #define RED "\033[31m"
RaghuT 29:319446cd2880 49 #define GRN "\033[32m"
RaghuT 29:319446cd2880 50 #define YEL "\033[33m"
RaghuT 29:319446cd2880 51 #define BLU "\033[34m"
RaghuT 29:319446cd2880 52 #define MAG "\033[35m"
RaghuT 29:319446cd2880 53 #define CYN "\033[36m"
RaghuT 29:319446cd2880 54 #define WHT "\033[37m"
RaghuT 29:319446cd2880 55 #define DEF "\033[39m"
ampembeng 15:6f2798e45099 56 #else
RaghuT 29:319446cd2880 57 #define BLK
RaghuT 29:319446cd2880 58 #define RED
RaghuT 29:319446cd2880 59 #define GRN
RaghuT 29:319446cd2880 60 #define YEL
RaghuT 29:319446cd2880 61 #define BLU
RaghuT 29:319446cd2880 62 #define MAG
RaghuT 29:319446cd2880 63 #define CYN
RaghuT 29:319446cd2880 64 #define WHT
RaghuT 29:319446cd2880 65 #define DEF
Janos Follath 0:fc70c47eecb4 66 #endif
Janos Follath 0:fc70c47eecb4 67
ampembeng 20:ee34856ae510 68 // Sensor defines
ampembeng 20:ee34856ae510 69 #define CTOF(x) ((x)*1.8+32) // Temperature
ampembeng 20:ee34856ae510 70
ampembeng 15:6f2798e45099 71 //=====================================================================================================================
ampembeng 15:6f2798e45099 72 //
ampembeng 15:6f2798e45099 73 // Globals
ampembeng 15:6f2798e45099 74 //
ampembeng 15:6f2798e45099 75 //=====================================================================================================================
ampembeng 15:6f2798e45099 76 // Controls LED color
ampembeng 15:6f2798e45099 77 unsigned char ledColor = COLOR_OFF;
ampembeng 15:6f2798e45099 78
ampembeng 18:6370da1de572 79 // These defines are pulled from aws_iot_config.h
ampembeng 15:6f2798e45099 80 char HostAddress[255] = AWS_IOT_MQTT_HOST;
ampembeng 18:6370da1de572 81 char MqttClientID[32] = AWS_IOT_MQTT_CLIENT_ID;
ampembeng 18:6370da1de572 82 char ThingName[32] = AWS_IOT_MY_THING_NAME;
ampembeng 18:6370da1de572 83 char PortString[5] = "8883";
ampembeng 15:6f2798e45099 84 uint32_t port = AWS_IOT_MQTT_PORT;
ampembeng 23:b9ff83dc965f 85 char iccidName[21] = "12345678901234567890";
Janos Follath 0:fc70c47eecb4 86
ampembeng 20:ee34856ae510 87 // Sensor data
ampembeng 20:ee34856ae510 88 float temperature = 0.0;
RaghuT 28:d549de7c3aad 89 float humidity = 0.0;
RaghuT 32:acf84c7d0075 90 char slaveData[500];
ampembeng 20:ee34856ae510 91
RaghuT 28:d549de7c3aad 92 //Cell signal
RaghuT 28:d549de7c3aad 93 int signalQuality = 0;
RaghuT 28:d549de7c3aad 94
RaghuT 28:d549de7c3aad 95 //Variable to store data usage
RaghuT 28:d549de7c3aad 96 int dataUsage = 0;
ampembeng 23:b9ff83dc965f 97
RaghuT 29:319446cd2880 98 //slave JSON to publish
RaghuT 29:319446cd2880 99 string slaveJSON = "";
RaghuT 29:319446cd2880 100
ampembeng 15:6f2798e45099 101 //=====================================================================================================================
ampembeng 15:6f2798e45099 102 //
ampembeng 15:6f2798e45099 103 // Devices
ampembeng 15:6f2798e45099 104 //
ampembeng 15:6f2798e45099 105 //=====================================================================================================================
ampembeng 15:6f2798e45099 106 // GPIOs for RGB LED
ampembeng 15:6f2798e45099 107 DigitalOut led_green(LED_GREEN);
ampembeng 15:6f2798e45099 108 DigitalOut led_red(LED_RED);
ampembeng 15:6f2798e45099 109 DigitalOut led_blue(LED_BLUE);
Janos Follath 0:fc70c47eecb4 110
ampembeng 15:6f2798e45099 111 // USB Serial port (to PC)
ampembeng 15:6f2798e45099 112 MODSERIAL pc(USBTX,USBRX,256,256);
Janos Follath 0:fc70c47eecb4 113
RaghuT 30:d2a7e413f658 114 // radio serial
RaghuT 30:d2a7e413f658 115 BufferedSoftSerial radio(PTC4, PTA2);
ampembeng 18:6370da1de572 116
ampembeng 20:ee34856ae510 117 // I2C bus (SDA, SCL)
ampembeng 20:ee34856ae510 118 I2C i2c(PTC11, PTC10);
ampembeng 20:ee34856ae510 119
ampembeng 15:6f2798e45099 120 //=====================================================================================================================
ampembeng 15:6f2798e45099 121 //
ampembeng 15:6f2798e45099 122 // Functions
ampembeng 15:6f2798e45099 123 //
ampembeng 15:6f2798e45099 124 //=====================================================================================================================
ampembeng 15:6f2798e45099 125 //*********************************************************************************************************************
ampembeng 15:6f2798e45099 126 //* Prints the given format to the PC serial port. Exposed to all files via aws_iot_log.h
ampembeng 15:6f2798e45099 127 //*********************************************************************************************************************
ampembeng 15:6f2798e45099 128 void pc_print(const char * format, ...)
ampembeng 15:6f2798e45099 129 {
ampembeng 15:6f2798e45099 130 va_list vl;
ampembeng 15:6f2798e45099 131 va_start(vl, format);
ampembeng 15:6f2798e45099 132 pc.vprintf(format, vl);
ampembeng 15:6f2798e45099 133 va_end(vl);
ampembeng 15:6f2798e45099 134 }
Janos Follath 0:fc70c47eecb4 135
ampembeng 15:6f2798e45099 136 //*********************************************************************************************************************
ampembeng 15:6f2798e45099 137 //* Set the RGB LED's Color
RaghuT 29:319446cd2880 138 //* LED Color 0=Off to 7=White. 3 bits represent BGR (bit0=Red, bit1=Green, bit2=Blue)
ampembeng 15:6f2798e45099 139 //*********************************************************************************************************************
ampembeng 15:6f2798e45099 140 void SetLedColor(unsigned char ucColor)
RaghuT 29:319446cd2880 141 {
ampembeng 15:6f2798e45099 142 //Note that when an LED is on, you write a 0 to it:
ampembeng 15:6f2798e45099 143 led_red = !(ucColor & 0x1); //bit 0
ampembeng 15:6f2798e45099 144 led_green = !(ucColor & 0x2); //bit 1
ampembeng 15:6f2798e45099 145 led_blue = !(ucColor & 0x4); //bit 2
ampembeng 15:6f2798e45099 146 }
Janos Follath 0:fc70c47eecb4 147
ampembeng 15:6f2798e45099 148 //=====================================================================================================================
ampembeng 15:6f2798e45099 149 //
ampembeng 15:6f2798e45099 150 // AWS Shadow Callbacks
ampembeng 15:6f2798e45099 151 //
ampembeng 15:6f2798e45099 152 //=====================================================================================================================
ampembeng 15:6f2798e45099 153 //*********************************************************************************************************************
ampembeng 15:6f2798e45099 154 //* This is the callback function that fires when an update is sent. It will print the update response status.
ampembeng 15:6f2798e45099 155 //*********************************************************************************************************************
ampembeng 15:6f2798e45099 156 void ShadowUpdateStatusCallback(const char *pThingName, ShadowActions_t action, Shadow_Ack_Status_t status,
RaghuT 29:319446cd2880 157 const char *pReceivedJsonDocument, void *pContextData)
RaghuT 29:319446cd2880 158 {
Janos Follath 0:fc70c47eecb4 159
ampembeng 15:6f2798e45099 160 INFO("Shadow Update Status Callback");
RaghuT 29:319446cd2880 161
ampembeng 15:6f2798e45099 162 if (status == SHADOW_ACK_TIMEOUT) {
ampembeng 15:6f2798e45099 163 INFO("Update Timeout--");
ampembeng 15:6f2798e45099 164 } else if (status == SHADOW_ACK_REJECTED) {
ampembeng 15:6f2798e45099 165 INFO("Update RejectedXX");
ampembeng 15:6f2798e45099 166 } else if (status == SHADOW_ACK_ACCEPTED) {
ampembeng 15:6f2798e45099 167 INFO("Update Accepted!!"); // Good
ampembeng 15:6f2798e45099 168 }
ampembeng 15:6f2798e45099 169 }
Janos Follath 0:fc70c47eecb4 170
ampembeng 15:6f2798e45099 171 //*********************************************************************************************************************
RaghuT 29:319446cd2880 172 //* These are the callback functions that fire when AWS has sends out a shadow update.
ampembeng 15:6f2798e45099 173 //*********************************************************************************************************************
RaghuT 29:319446cd2880 174 void ledControl_Callback(const char *pJsonString, uint32_t JsonStringDataLen, jsonStruct_t *pContext)
RaghuT 29:319446cd2880 175 {
RaghuT 29:319446cd2880 176
ampembeng 15:6f2798e45099 177 INFO("LED Callback Detected.");
RaghuT 29:319446cd2880 178
ampembeng 15:6f2798e45099 179 if (pContext != NULL) {
RaghuT 29:319446cd2880 180 switch (*(unsigned char *)(pContext->pData)) {
ampembeng 15:6f2798e45099 181 case COLOR_OFF:
ampembeng 15:6f2798e45099 182 INFO("LED -> OFF (%d)", *(unsigned char *)(pContext->pData));
ampembeng 15:6f2798e45099 183 break;
ampembeng 15:6f2798e45099 184 case COLOR_RED:
ampembeng 15:6f2798e45099 185 INFO("LED -> RED (%d)", *(unsigned char *)(pContext->pData));
ampembeng 15:6f2798e45099 186 break;
ampembeng 15:6f2798e45099 187 case COLOR_GREEN:
ampembeng 15:6f2798e45099 188 INFO("LED -> GREEN (%d)", *(unsigned char *)(pContext->pData));
ampembeng 15:6f2798e45099 189 break;
ampembeng 15:6f2798e45099 190 case COLOR_BLUE:
ampembeng 15:6f2798e45099 191 INFO("LED -> BLUE (%d)", *(unsigned char *)(pContext->pData));
ampembeng 15:6f2798e45099 192 break;
ampembeng 15:6f2798e45099 193 case COLOR_WHITE:
ampembeng 15:6f2798e45099 194 INFO("LED -> WHITE (%d)", *(unsigned char *)(pContext->pData));
RaghuT 29:319446cd2880 195 break;
Janos Follath 0:fc70c47eecb4 196 }
RaghuT 29:319446cd2880 197 } else {
ampembeng 15:6f2798e45099 198 INFO("pContext was detected as NULL");
Janos Follath 0:fc70c47eecb4 199 }
ampembeng 15:6f2798e45099 200 }
RaghuT 28:d549de7c3aad 201 //Callback when dataUsage stats are updated
RaghuT 29:319446cd2880 202 void dataUsageCallback(const char *pJsonString, uint32_t JsonStringDataLen, jsonStruct_t *pContext)
RaghuT 29:319446cd2880 203 {
RaghuT 29:319446cd2880 204 INFO("Data usage callback detected");
RaghuT 28:d549de7c3aad 205 }
RaghuT 32:acf84c7d0075 206
ampembeng 23:b9ff83dc965f 207 //*********************************************************************************************************************
ampembeng 23:b9ff83dc965f 208 //* Subscribe callback (used with alternate demo)
ampembeng 23:b9ff83dc965f 209 //*********************************************************************************************************************
RaghuT 29:319446cd2880 210 int MQTTcallbackHandler(MQTTCallbackParams params)
RaghuT 29:319446cd2880 211 {
ampembeng 23:b9ff83dc965f 212
ampembeng 23:b9ff83dc965f 213 INFO("Subscribe callback");
ampembeng 23:b9ff83dc965f 214 INFO("%.*s\t%.*s",
RaghuT 29:319446cd2880 215 (int)params.TopicNameLen, params.pTopicName,
RaghuT 29:319446cd2880 216 (int)params.MessageParams.PayloadLen, (char*)params.MessageParams.pPayload);
ampembeng 23:b9ff83dc965f 217
ampembeng 23:b9ff83dc965f 218 return 0;
ampembeng 23:b9ff83dc965f 219 }
ampembeng 23:b9ff83dc965f 220
ampembeng 23:b9ff83dc965f 221 //*********************************************************************************************************************
ampembeng 23:b9ff83dc965f 222 //* Disconnect handling (used with alternate demo)
ampembeng 23:b9ff83dc965f 223 //*********************************************************************************************************************
RaghuT 29:319446cd2880 224 void disconnectCallbackHandler(void)
RaghuT 29:319446cd2880 225 {
ampembeng 23:b9ff83dc965f 226 WARN("MQTT Disconnect");
ampembeng 23:b9ff83dc965f 227 IoT_Error_t rc = NONE_ERROR;
RaghuT 29:319446cd2880 228 if(aws_iot_is_autoreconnect_enabled()) {
ampembeng 23:b9ff83dc965f 229 INFO("Auto Reconnect is enabled, Reconnecting attempt will start now");
RaghuT 29:319446cd2880 230 } else {
ampembeng 23:b9ff83dc965f 231 WARN("Auto Reconnect not enabled. Starting manual reconnect...");
ampembeng 23:b9ff83dc965f 232 rc = aws_iot_mqtt_attempt_reconnect();
RaghuT 29:319446cd2880 233 if(RECONNECT_SUCCESSFUL == rc) {
ampembeng 23:b9ff83dc965f 234 WARN("Manual Reconnect Successful");
RaghuT 29:319446cd2880 235 } else {
ampembeng 23:b9ff83dc965f 236 WARN("Manual Reconnect Failed - %d", rc);
ampembeng 23:b9ff83dc965f 237 }
ampembeng 23:b9ff83dc965f 238 }
ampembeng 23:b9ff83dc965f 239 }
ampembeng 23:b9ff83dc965f 240
RaghuT 28:d549de7c3aad 241 //*********************************************************************************************************************
RaghuT 29:319446cd2880 242 //* Get slave data over uart interface
RaghuT 28:d549de7c3aad 243 //*********************************************************************************************************************
RaghuT 29:319446cd2880 244 void getSlaveJSON()
RaghuT 29:319446cd2880 245 {
RaghuT 30:d2a7e413f658 246 slaveJSON.clear();
RaghuT 30:d2a7e413f658 247 if(radio.writeable()) {
RaghuT 30:d2a7e413f658 248 radio.printf("d");
RaghuT 30:d2a7e413f658 249 while(radio.readable()) {
RaghuT 30:d2a7e413f658 250 slaveJSON += radio.getc();
RaghuT 30:d2a7e413f658 251 }
RaghuT 29:319446cd2880 252 }
RaghuT 32:acf84c7d0075 253 strcpy(slaveData, slaveJSON.c_str());
ampembeng 23:b9ff83dc965f 254 }
ampembeng 15:6f2798e45099 255
ampembeng 15:6f2798e45099 256 //=====================================================================================================================
ampembeng 15:6f2798e45099 257 //
ampembeng 15:6f2798e45099 258 // Main
ampembeng 15:6f2798e45099 259 //
ampembeng 15:6f2798e45099 260 //=====================================================================================================================
RaghuT 29:319446cd2880 261 int main()
RaghuT 29:319446cd2880 262 {
ampembeng 15:6f2798e45099 263 // Set baud rate for PC Serial
ampembeng 15:6f2798e45099 264 pc.baud(115200);
RaghuT 30:d2a7e413f658 265 radio.baud(9600);
RaghuT 28:d549de7c3aad 266 INFO("Program Start");
RaghuT 29:319446cd2880 267
RaghuT 29:319446cd2880 268 IoT_Error_t rc = NONE_ERROR;
ampembeng 15:6f2798e45099 269 char JsonDocumentBuffer[MAX_LENGTH_OF_UPDATE_JSON_BUFFER];
ampembeng 15:6f2798e45099 270 size_t sizeOfJsonDocumentBuffer = sizeof(JsonDocumentBuffer) / sizeof(JsonDocumentBuffer[0]);
ampembeng 15:6f2798e45099 271
RaghuT 28:d549de7c3aad 272 //JSON struct for signal strength readings
RaghuT 28:d549de7c3aad 273 jsonStruct_t signalStrengthHandler;
RaghuT 28:d549de7c3aad 274 signalStrengthHandler.cb = NULL;
RaghuT 28:d549de7c3aad 275 signalStrengthHandler.pKey = "Signal Strength";
RaghuT 28:d549de7c3aad 276 signalStrengthHandler.pData = &signalQuality;
RaghuT 28:d549de7c3aad 277 signalStrengthHandler.type = SHADOW_JSON_INT16;
RaghuT 29:319446cd2880 278
RaghuT 29:319446cd2880 279 //JSON struct for data usage
RaghuT 28:d549de7c3aad 280 jsonStruct_t dataUsageHandler;
RaghuT 28:d549de7c3aad 281 dataUsageHandler.cb = dataUsageCallback;
RaghuT 28:d549de7c3aad 282 dataUsageHandler.pKey = "Data Usage";
RaghuT 28:d549de7c3aad 283 dataUsageHandler.pData = &dataUsage;
RaghuT 28:d549de7c3aad 284 dataUsageHandler.type = SHADOW_JSON_UINT32;
RaghuT 30:d2a7e413f658 285
RaghuT 30:d2a7e413f658 286 //JSON struct for slave data
RaghuT 30:d2a7e413f658 287 jsonStruct_t slaveDataHandler;
RaghuT 30:d2a7e413f658 288 slaveDataHandler.cb = NULL;
RaghuT 30:d2a7e413f658 289 slaveDataHandler.pKey = "slaves";
RaghuT 30:d2a7e413f658 290 slaveDataHandler.pData = slaveData;
RaghuT 30:d2a7e413f658 291 slaveDataHandler.type = SHADOW_JSON_STRING;
RaghuT 30:d2a7e413f658 292
ampembeng 15:6f2798e45099 293 INFO("AWS IoT SDK Version(dev) %d.%d.%d-%s", VERSION_MAJOR, VERSION_MINOR, VERSION_PATCH, VERSION_TAG);
ampembeng 15:6f2798e45099 294
RaghuT 28:d549de7c3aad 295
RaghuT 29:319446cd2880 296 INFO("Using #defines in aws_iot_config.h and certs from certs.cpp for AWS config.");
RaghuT 29:319446cd2880 297
ampembeng 16:02008a2a2569 298 // Startup signal - blinks through RGBW then turns off
ampembeng 15:6f2798e45099 299 SetLedColor(COLOR_RED);
ampembeng 15:6f2798e45099 300 wait(.5);
ampembeng 15:6f2798e45099 301 SetLedColor(COLOR_GREEN);
ampembeng 15:6f2798e45099 302 wait(.5);
ampembeng 15:6f2798e45099 303 SetLedColor(COLOR_BLUE);
ampembeng 15:6f2798e45099 304 wait(.5);
ampembeng 16:02008a2a2569 305 SetLedColor(COLOR_WHITE);
ampembeng 16:02008a2a2569 306 wait(.5);
ampembeng 16:02008a2a2569 307 SetLedColor(COLOR_OFF);
RaghuT 29:319446cd2880 308
ampembeng 15:6f2798e45099 309 // Boot the Avnet Shield before any other operations
ampembeng 23:b9ff83dc965f 310 INFO("Net Boot...");
ampembeng 15:6f2798e45099 311 net_modem_boot();
RaghuT 29:319446cd2880 312
ampembeng 18:6370da1de572 313 // Intialize MQTT/Cert parameters
ampembeng 15:6f2798e45099 314 ShadowParameters_t sp = ShadowParametersDefault;
ampembeng 18:6370da1de572 315 #ifdef USING_SD_CARD
ampembeng 18:6370da1de572 316 rc = (IoT_Error_t)mbedtls_mqtt_config_parse_file(&sp, AWS_MQTT_CONFIG_FILENAME);
ampembeng 18:6370da1de572 317 if (NONE_ERROR != rc) {
ampembeng 18:6370da1de572 318 ERROR("Failed to initialize mqtt parameters %d", rc);
ampembeng 18:6370da1de572 319 return rc;
RaghuT 29:319446cd2880 320 }
ampembeng 18:6370da1de572 321 sp.pClientCRT = AWS_IOT_CERTIFICATE_FILENAME;
ampembeng 18:6370da1de572 322 sp.pClientKey = AWS_IOT_PRIVATE_KEY_FILENAME;
ampembeng 18:6370da1de572 323 sp.pRootCA = AWS_IOT_ROOT_CA_FILENAME;
ampembeng 18:6370da1de572 324 #else
ampembeng 15:6f2798e45099 325 sp.pMyThingName = AWS_IOT_MY_THING_NAME;
ampembeng 15:6f2798e45099 326 sp.pMqttClientId = AWS_IOT_MQTT_CLIENT_ID;
ampembeng 15:6f2798e45099 327 sp.pHost = HostAddress;
ampembeng 15:6f2798e45099 328 sp.port = port;
RaghuT 29:319446cd2880 329
ampembeng 23:b9ff83dc965f 330 sp.pClientCRT = AWS_IOT_CERTIFICATE_FILENAME;
ampembeng 23:b9ff83dc965f 331 sp.pClientKey = AWS_IOT_PRIVATE_KEY_FILENAME;
ampembeng 23:b9ff83dc965f 332 sp.pRootCA = AWS_IOT_ROOT_CA_FILENAME;
ampembeng 18:6370da1de572 333 #endif
RaghuT 29:319446cd2880 334
ampembeng 18:6370da1de572 335 INFO("Initialize the MQTT client...");
ampembeng 18:6370da1de572 336 MQTTClient_t mqttClient;
ampembeng 18:6370da1de572 337 aws_iot_mqtt_init(&mqttClient);
RaghuT 29:319446cd2880 338
ampembeng 15:6f2798e45099 339 INFO("Shadow Init...");
ampembeng 15:6f2798e45099 340 rc = aws_iot_shadow_init(&mqttClient);
ampembeng 15:6f2798e45099 341 if (NONE_ERROR != rc) {
ampembeng 15:6f2798e45099 342 ERROR("Shadow Init Error %d", rc);
ampembeng 15:6f2798e45099 343 return rc;
Janos Follath 0:fc70c47eecb4 344 }
RaghuT 29:319446cd2880 345
RaghuT 29:319446cd2880 346 INFO("Shadow Connect...");
ampembeng 15:6f2798e45099 347 rc = aws_iot_shadow_connect(&mqttClient, &sp);
ampembeng 15:6f2798e45099 348 if (NONE_ERROR != rc) {
ampembeng 15:6f2798e45099 349 ERROR("Shadow Connection Error %d", rc);
ampembeng 15:6f2798e45099 350 return rc;
Janos Follath 0:fc70c47eecb4 351 }
Janos Follath 0:fc70c47eecb4 352
ampembeng 15:6f2798e45099 353 // Enable Auto Reconnect functionality. Minimum and Maximum time of Exponential backoff are set in aws_iot_config.h
ampembeng 15:6f2798e45099 354 // #AWS_IOT_MQTT_MIN_RECONNECT_WAIT_INTERVAL
ampembeng 15:6f2798e45099 355 // #AWS_IOT_MQTT_MAX_RECONNECT_WAIT_INTERVAL
RaghuT 29:319446cd2880 356
ampembeng 15:6f2798e45099 357 rc = mqttClient.setAutoReconnectStatus(true);
ampembeng 15:6f2798e45099 358 if (NONE_ERROR != rc) {
ampembeng 15:6f2798e45099 359 ERROR("Unable to set Auto Reconnect to true - %d", rc);
ampembeng 15:6f2798e45099 360 return rc;
ampembeng 15:6f2798e45099 361 }
RaghuT 29:319446cd2880 362
ampembeng 15:6f2798e45099 363 INFO("Shadow Register Delta...");
RaghuT 28:d549de7c3aad 364 rc = aws_iot_shadow_register_delta(&mqttClient, &dataUsageHandler);
RaghuT 28:d549de7c3aad 365 if (NONE_ERROR != rc) {
RaghuT 28:d549de7c3aad 366 ERROR("Shadow Register Delta dataUsage Error");
RaghuT 28:d549de7c3aad 367 return rc;
RaghuT 28:d549de7c3aad 368 }
RaghuT 30:d2a7e413f658 369
ampembeng 15:6f2798e45099 370 INFO("Will attempt to sync with device shadow every %f seconds.", SHADOW_SYNC_INTERVAL);
ampembeng 15:6f2798e45099 371 // Loop and publish changes from the FRDM board
ampembeng 15:6f2798e45099 372 while (NETWORK_ATTEMPTING_RECONNECT == rc || RECONNECT_SUCCESSFUL == rc || NONE_ERROR == rc) {
ampembeng 15:6f2798e45099 373 // Looks for incoming socket messages
ampembeng 15:6f2798e45099 374 rc = aws_iot_shadow_yield(&mqttClient, 200);
ampembeng 15:6f2798e45099 375 if (NETWORK_ATTEMPTING_RECONNECT == rc) {
ampembeng 15:6f2798e45099 376 // If the client is attempting to reconnect we will skip the rest of the loop.
ampembeng 15:6f2798e45099 377 INFO("Attempting to reconnect...");
ampembeng 15:6f2798e45099 378 wait(1);
ampembeng 15:6f2798e45099 379 continue;
ampembeng 15:6f2798e45099 380 }
RaghuT 28:d549de7c3aad 381 //Read signal quality
RaghuT 28:d549de7c3aad 382 signalQuality = WNCInterface::_pwnc->getDbmRssi();
RaghuT 30:d2a7e413f658 383 //get slave data
RaghuT 30:d2a7e413f658 384 getSlaveJSON();
RaghuT 32:acf84c7d0075 385
RaghuT 29:319446cd2880 386 INFO("\n=======================================================================================\n");
RaghuT 29:319446cd2880 387 // Initialize JSON shadow document
ampembeng 15:6f2798e45099 388 rc = aws_iot_shadow_init_json_document(JsonDocumentBuffer, sizeOfJsonDocumentBuffer);
ampembeng 15:6f2798e45099 389 if (rc == NONE_ERROR) {
RaghuT 29:319446cd2880 390
ampembeng 23:b9ff83dc965f 391 // Updates the 'reported' color/temp/humidity
RaghuT 30:d2a7e413f658 392 rc = aws_iot_shadow_add_reported(JsonDocumentBuffer, sizeOfJsonDocumentBuffer, 3, &signalStrengthHandler,
RaghuT 30:d2a7e413f658 393 &dataUsageHandler, &slaveDataHandler);
RaghuT 29:319446cd2880 394
RaghuT 29:319446cd2880 395 if (rc == NONE_ERROR) {
RaghuT 29:319446cd2880 396 rc = aws_iot_finalize_json_document(JsonDocumentBuffer, sizeOfJsonDocumentBuffer);
RaghuT 29:319446cd2880 397
ampembeng 15:6f2798e45099 398 if (rc == NONE_ERROR) {
ampembeng 15:6f2798e45099 399 INFO("Update Shadow: %s", JsonDocumentBuffer);
ampembeng 18:6370da1de572 400 rc = aws_iot_shadow_update(&mqttClient, sp.pMyThingName, JsonDocumentBuffer,
RaghuT 29:319446cd2880 401 ShadowUpdateStatusCallback, NULL, 15, true);
ampembeng 15:6f2798e45099 402 }
ampembeng 15:6f2798e45099 403 }
RaghuT 28:d549de7c3aad 404 }
ampembeng 15:6f2798e45099 405 wait(SHADOW_SYNC_INTERVAL);
Janos Follath 0:fc70c47eecb4 406 }
Janos Follath 0:fc70c47eecb4 407
ampembeng 15:6f2798e45099 408 if (NONE_ERROR != rc) {
ampembeng 15:6f2798e45099 409 ERROR("An error occurred in the loop %d", rc);
Janos Follath 0:fc70c47eecb4 410 }
Janos Follath 0:fc70c47eecb4 411
ampembeng 15:6f2798e45099 412 INFO("Disconnecting");
ampembeng 15:6f2798e45099 413 rc = aws_iot_shadow_disconnect(&mqttClient);
ampembeng 15:6f2798e45099 414
ampembeng 15:6f2798e45099 415 if (NONE_ERROR != rc) {
ampembeng 15:6f2798e45099 416 ERROR("Disconnect error %d", rc);
Janos Follath 0:fc70c47eecb4 417 }
Janos Follath 0:fc70c47eecb4 418
RaghuT 29:319446cd2880 419 return rc;
ampembeng 15:6f2798e45099 420 }