Doug Anson / Mbed 2 deprecated df-2013-thermostat-remotes

Dreamforce 2013 MiniHack Thermostat Challenge - remotes

Dependencies:   C12832_lcd EthernetInterface-ansond-patched HTTPClient-thermostat-remotes LM75B MMA7660 SocketIO WebSocketClient-ThermostatDemo mbed-rtos mbed picojson

Fork of df-2013-minihack-thermostat-complete by MBED_DEMOS

Thermostat.cpp@5:9866322ed225, 2013-11-11 (annotated)

Committer:
ansond
Date:
Mon Nov 11 20:29:32 2013 +0000
Revision:
5:9866322ed225
Parent:
4:379e9ad21486
Child:
6:33f71cf9a04f
updates

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ansond 0:26c48388f725 1 /* Thermostat.cpp */
ansond 0:26c48388f725 2 /* Copyright (C) 2013 mbed.org, MIT License
ansond 0:26c48388f725 3 *
ansond 0:26c48388f725 4 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
ansond 0:26c48388f725 5 * and associated documentation files (the "Software"), to deal in the Software without restriction,
ansond 0:26c48388f725 6 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
ansond 0:26c48388f725 7 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
ansond 0:26c48388f725 8 * furnished to do so, subject to the following conditions:
ansond 0:26c48388f725 9 *
ansond 0:26c48388f725 10 * The above copyright notice and this permission notice shall be included in all copies or
ansond 0:26c48388f725 11 * substantial portions of the Software.
ansond 0:26c48388f725 12 *
ansond 0:26c48388f725 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
ansond 0:26c48388f725 14 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
ansond 0:26c48388f725 15 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
ansond 0:26c48388f725 16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
ansond 0:26c48388f725 17 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
ansond 0:26c48388f725 18 */
ansond 0:26c48388f725 19
ansond 0:26c48388f725 20 //
ansond 0:26c48388f725 21 // 2013 DreamForce MiniHack -
ansond 0:26c48388f725 22 // Look for the method: Thermostat::parseAndActOnControlMessage(char *json)
ansond 0:26c48388f725 23 // From there, add code to look for a "text" message - send its contents to the LCD panel
ansond 0:26c48388f725 24 // using the this->display(char *) method. You can use the other messages as a reference.
ansond 0:26c48388f725 25 //
ansond 0:26c48388f725 26
ansond 0:26c48388f725 27 /*
ansond 0:26c48388f725 28 * Operation: with the MBED appboard - the following is available:
ansond 0:26c48388f725 29 * 1. connect/disconnect: push and hold the joystick forward (towards potentiometer) until a connect/disconnect message is seen
ansond 0:26c48388f725 30 * 2. control messages
ansond 0:26c48388f725 31 * "led1" --> "on" or "off" (led1 is also used as the TX status...)
ansond 0:26c48388f725 32 * "led2" --> "on" or "off" (led2 is also used as the RX status...)
ansond 0:26c48388f725 33 * "led3" --> "on" or "off"
ansond 0:26c48388f725 34 * "led4" --> "on" or "off"
ansond 0:26c48388f725 35 * "blink" --> <dont care> should blink all 4 LEDs a few times
ansond 0:26c48388f725 36 * "reset" --> <dont care> will reset the simulated error state for the device
ansond 0:26c48388f725 37 * 3. simulated error state: depress and hold the joystick until the RGB LED turns red
ansond 0:26c48388f725 38 * 4. rotate the potentiometer closest to the LCD panel to manipulate the battery level (0 - 100%)
ansond 0:26c48388f725 39 * 5. rotate the potentiometer nearest the RGB LED to add/subtract 10 degrees from the current ambient temperature
ansond 0:26c48388f725 40 */
ansond 0:26c48388f725 41
ansond 0:26c48388f725 42 // Primary include
ansond 0:26c48388f725 43 #include "Thermostat.h"
ansond 0:26c48388f725 44
ansond 0:26c48388f725 45 // DreamForce 2013 Tunables START
ansond 0:26c48388f725 46
ansond 4:379e9ad21486 47 // set our location
ansond 5:9866322ed225 48 int location_index = 2;
ansond 0:26c48388f725 49
ansond 4:379e9ad21486 50 // Remoted Thermostats
ansond 4:379e9ad21486 51 // Thermostat 1: Austin TX 30.2500 –97.7500
ansond 4:379e9ad21486 52 // Thermostat 2: Phoenix AZ 33.4500 -112.0667
ansond 4:379e9ad21486 53 // Thermostat 3: Dallas TX 32.7758 -96.7967
ansond 4:379e9ad21486 54 // Thermostat 4: Miami FL 25.7877 -80.2241
ansond 4:379e9ad21486 55 // Thermostat 5: Chicago IL 41.8819 –87.6278
ansond 4:379e9ad21486 56 // Thermostat 6: Memphis TN 35.1174 -89.9711
ansond 4:379e9ad21486 57 // Thermostat 7: Seattle WA 47.6097 –122.3331
ansond 4:379e9ad21486 58 // Thermostat 8: New York NY 40.6700 –73.9400
ansond 4:379e9ad21486 59 // Thermostat 9: Raleigh NC 35.8189 –78.6447
ansond 4:379e9ad21486 60 // Thermostat 10: Moscone 37.7842 –122.4016
ansond 4:379e9ad21486 61 float latitudes[10] = { 30.2500, 33.4500, 32.7758, 25.7877, 41.8819, 35.1174, 47.6097, 40.6700, 35.8189, 37.7842};
ansond 4:379e9ad21486 62 float longitudes[10] = { -97.7500, -112.0667, -96.7967, -80.2241, -87.6278, -89.9711, -122.3331, -73.9400, -78.6447, -122.4016};
ansond 4:379e9ad21486 63 char *locations[10] = { "DF Thermostat-Austin TX", "DF Thermostat-Phoenix AZ", "DF Thermostat-Dallas TX", "DF Thermostat-Miami FL",
ansond 4:379e9ad21486 64 "DF Thermostat-Chicago IL", "DF Thermostat-Memphis TN", "DF Thermostat-Seattle WA",
ansond 4:379e9ad21486 65 "DF Thermostat-New York NY", "DF Thermostat-Raleigh NC", "DF Thermostat-Moscone Center"};
ansond 4:379e9ad21486 66
ansond 0:26c48388f725 67 // DreamForce 2013 Tunables END
ansond 0:26c48388f725 68
ansond 0:26c48388f725 69 // Wait Loop default sleep per iteration
ansond 0:26c48388f725 70 #define DEFAULT_MAIN_LOOP_WAIT 2.0 // 2 seconds
ansond 0:26c48388f725 71
ansond 0:26c48388f725 72 // JSON parsing support
ansond 0:26c48388f725 73 #include "picojson.h"
ansond 0:26c48388f725 74
ansond 0:26c48388f725 75 //
ansond 0:26c48388f725 76 // Accelerometer Support
ansond 0:26c48388f725 77 //
ansond 0:26c48388f725 78 #include "MMA7660.h"
ansond 0:26c48388f725 79 MMA7660 acc(p28, p27);
ansond 0:26c48388f725 80
ansond 0:26c48388f725 81 //
ansond 0:26c48388f725 82 // Temperature Sensor Support
ansond 0:26c48388f725 83 //
ansond 0:26c48388f725 84 #include "LM75B.h"
ansond 0:26c48388f725 85 LM75B temp_sensor(p28,p27);
ansond 0:26c48388f725 86
ansond 0:26c48388f725 87 //
ansond 0:26c48388f725 88 // Ethernet support
ansond 0:26c48388f725 89 //
ansond 0:26c48388f725 90 #include "EthernetInterface.h"
ansond 0:26c48388f725 91 EthernetInterface ethernet;
ansond 0:26c48388f725 92
ansond 0:26c48388f725 93 //
ansond 0:26c48388f725 94 // Thermostat SocketIO Support
ansond 0:26c48388f725 95 //
ansond 0:26c48388f725 96 #include "ThermostatSocketIO.h"
ansond 4:379e9ad21486 97 ThermostatSocketIO socketio(locations[location_index]);
ansond 0:26c48388f725 98
ansond 0:26c48388f725 99 // Include LED Utils
ansond 0:26c48388f725 100 #include "Thermostat-LEDUtils.h"
ansond 0:26c48388f725 101
ansond 0:26c48388f725 102 // Include Base Utils
ansond 0:26c48388f725 103 #include "Thermostat-BaseUtils.h"
ansond 0:26c48388f725 104
ansond 0:26c48388f725 105 // Include Location Stubs
ansond 0:26c48388f725 106 #include "Thermostat-Location.h"
ansond 0:26c48388f725 107
ansond 0:26c48388f725 108 // Default constructor
ansond 0:26c48388f725 109 Thermostat::Thermostat() {
ansond 0:26c48388f725 110 this->m_temperature = 0.0;
ansond 0:26c48388f725 111 this->m_battery = 50.0;
ansond 0:26c48388f725 112 this->m_status = "OK";
ansond 0:26c48388f725 113 }
ansond 0:26c48388f725 114
ansond 0:26c48388f725 115 // Destructor
ansond 0:26c48388f725 116 Thermostat::~Thermostat() {
ansond 0:26c48388f725 117 // close down connections
ansond 0:26c48388f725 118 socketio.close();
ansond 0:26c48388f725 119 ethernet.disconnect();
ansond 0:26c48388f725 120 this->turnRGBLEDBlue();
ansond 0:26c48388f725 121 }
ansond 0:26c48388f725 122
ansond 0:26c48388f725 123 // get the temp
ansond 0:26c48388f725 124 float Thermostat::getTemperature() {
ansond 0:26c48388f725 125 // get Pot 2 an additive/subtractive value to the ambient temp
ansond 0:26c48388f725 126 float scale = Pot2.read();
ansond 0:26c48388f725 127 scale = scale * 20.0; // scale to 0 - 20
ansond 0:26c48388f725 128 scale = scale - 10.0; // scale -10 to +10
ansond 0:26c48388f725 129
ansond 0:26c48388f725 130 // Get the Temperature (in C)
ansond 0:26c48388f725 131 float c = temp_sensor.read();
ansond 0:26c48388f725 132 float f = ((9/5) * c ) + 32;
ansond 0:26c48388f725 133
ansond 0:26c48388f725 134 // now get the ambient temp and scale it
ansond 0:26c48388f725 135 this->m_temperature = c + scale;
ansond 0:26c48388f725 136 this->display("Temp %.1f C (%.1f F)",this->m_temperature,f);
ansond 0:26c48388f725 137 this->display_lcd("Temp: %.1f C (%.1f F)",this->m_temperature,f);
ansond 0:26c48388f725 138
ansond 0:26c48388f725 139 // return the temperature
ansond 0:26c48388f725 140 return this->m_temperature;
ansond 0:26c48388f725 141 }
ansond 0:26c48388f725 142
ansond 0:26c48388f725 143 // get the current battery level
ansond 0:26c48388f725 144 float Thermostat::getBatteryLevel() {
ansond 0:26c48388f725 145 // get Pot 1 an additive/subtractive value to simulate battery level
ansond 0:26c48388f725 146 this->m_battery = Pot1.read();
ansond 0:26c48388f725 147 this->m_battery = this->m_battery * 100.0; // scale to 0 - 100;
ansond 0:26c48388f725 148
ansond 0:26c48388f725 149 // return the battery level
ansond 0:26c48388f725 150 return this->m_battery;
ansond 0:26c48388f725 151 }
ansond 0:26c48388f725 152
ansond 0:26c48388f725 153 // receive from the heroku SocketIO web service
ansond 0:26c48388f725 154 char *Thermostat::receiveFromWSService(char *buffer) {
ansond 0:26c48388f725 155 bool success = socketio.read(buffer);
ansond 0:26c48388f725 156 if (success == true)
ansond 0:26c48388f725 157 this->display("SocketIO: Read success");
ansond 0:26c48388f725 158 else
ansond 0:26c48388f725 159 this->display("SocketIO: Read failure");
ansond 0:26c48388f725 160
ansond 0:26c48388f725 161 return buffer;
ansond 0:26c48388f725 162 }
ansond 0:26c48388f725 163
ansond 0:26c48388f725 164 // translate the LED status
ansond 0:26c48388f725 165 int Thermostat::translateLEDStatus(const char *status, int current) {
ansond 0:26c48388f725 166 int i_status = current;
ansond 0:26c48388f725 167
ansond 0:26c48388f725 168 if (status != NULL && strlen(status) > 0) {
ansond 0:26c48388f725 169 if (strcmp(status,"on") == 0 || strcmp(status,"ON") == 0 || strcmp(status,"On") == 0 || strcmp(status,"1") == 0 || strcmp(status,"oN") == 0)
ansond 0:26c48388f725 170 i_status = 1;
ansond 0:26c48388f725 171 if (strcmp(status,"off") == 0 || strcmp(status,"OFF") == 0 || strcmp(status,"Off") == 0 || strcmp(status,"0") == 0 || strcmp(status,"oFF") == 0 || strcmp(status,"oF") == 0 || strcmp(status,"ofF") == 0)
ansond 0:26c48388f725 172 i_status = 0;
ansond 0:26c48388f725 173 }
ansond 0:26c48388f725 174
ansond 0:26c48388f725 175 // return the status
ansond 0:26c48388f725 176 return i_status;
ansond 0:26c48388f725 177 }
ansond 0:26c48388f725 178
ansond 0:26c48388f725 179 // reset the device status to OK
ansond 0:26c48388f725 180 void Thermostat::resetDeviceStatus() {
ansond 0:26c48388f725 181 this->turnRGBLEDGreen();
ansond 0:26c48388f725 182 this->m_status = "OK";
ansond 0:26c48388f725 183 socketio.resetMessageCounter();
ansond 0:26c48388f725 184 this->resetAllLEDs();
ansond 0:26c48388f725 185 }
ansond 0:26c48388f725 186
ansond 0:26c48388f725 187 // basic parsing and processing of the control message
ansond 0:26c48388f725 188 //
ansond 0:26c48388f725 189 // Control Message Format: 5:::{"name":"control-device","args":[{"hello":"world"}]}
ansond 0:26c48388f725 190 //
ansond 0:26c48388f725 191 void Thermostat::parseAndActOnControlMessage(char *json) {
ansond 0:26c48388f725 192 picojson::value v;
ansond 0:26c48388f725 193
ansond 0:26c48388f725 194 if (json != NULL && strlen(json) > 0 && strstr(json,"{") != NULL) {
ansond 0:26c48388f725 195 // move past the socket.io header
ansond 0:26c48388f725 196 char *json_proper = strstr(json,"{");
ansond 0:26c48388f725 197
ansond 0:26c48388f725 198 // parse the packet
ansond 0:26c48388f725 199 string err = picojson::parse(v, json_proper, json_proper + strlen(json_proper));
ansond 0:26c48388f725 200
ansond 0:26c48388f725 201 // the args value is an array of json values
ansond 0:26c48388f725 202 picojson::array list = v.get("args").get<picojson::array>();
ansond 0:26c48388f725 203
ansond 0:26c48388f725 204 // loop through the array and parse/process each element
ansond 0:26c48388f725 205 for (picojson::array::iterator iter = list.begin(); iter != list.end(); ++iter) {
ansond 0:26c48388f725 206 // Toggle LEDs
ansond 0:26c48388f725 207 if ((*iter).get("led1") != NULL) led1.write(this->translateLEDStatus((*iter).get("led1").get<string>().c_str(),(int)led1));
ansond 0:26c48388f725 208 if ((*iter).get("led2") != NULL) led2.write(this->translateLEDStatus((*iter).get("led2").get<string>().c_str(),(int)led2));
ansond 0:26c48388f725 209 if ((*iter).get("led3") != NULL) led3.write(this->translateLEDStatus((*iter).get("led3").get<string>().c_str(),(int)led3));
ansond 0:26c48388f725 210 if ((*iter).get("led4") != NULL) led4.write(this->translateLEDStatus((*iter).get("led4").get<string>().c_str(),(int)led4));
ansond 0:26c48388f725 211 if ((*iter).get("reset") != NULL) this->resetDeviceStatus();
ansond 0:26c48388f725 212 if ((*iter).get("blink") != NULL) this->blinkAllLEDs();
ansond 0:26c48388f725 213
ansond 0:26c48388f725 214 //
ansond 0:26c48388f725 215 // 2013 DreamForce MiniHack - add code to look for a "text" message - send its contents to the LCD panel
ansond 1:3faa003ad6e6 216 // using the this->displayTextMessage(char *) method
ansond 0:26c48388f725 217 //
ansond 0:26c48388f725 218 // Answer:
ansond 0:26c48388f725 219 //
ansond 1:3faa003ad6e6 220 if ((*iter).get("text") != NULL) this->displayTextMessage((*iter).get("text").get<string>().c_str());
ansond 0:26c48388f725 221 }
ansond 0:26c48388f725 222 }
ansond 0:26c48388f725 223 }
ansond 0:26c48388f725 224
ansond 0:26c48388f725 225 // recv and process a control message
ansond 0:26c48388f725 226 void Thermostat::processControlMessage() {
ansond 0:26c48388f725 227
ansond 0:26c48388f725 228 if (socketio.is_connected()) {
ansond 0:26c48388f725 229 char message[SOCKETIO_MESSAGE_LENGTH];
ansond 0:26c48388f725 230 if (socketio.read(message)) {
ansond 0:26c48388f725 231 // log the message
ansond 0:26c48388f725 232 this->display("Received control message: %s",message);
ansond 0:26c48388f725 233
ansond 0:26c48388f725 234 // process the message
ansond 0:26c48388f725 235 this->parseAndActOnControlMessage(message);
ansond 0:26c48388f725 236
ansond 0:26c48388f725 237 // blink the RX led
ansond 0:26c48388f725 238 this->blinkTransportRxLED();
ansond 0:26c48388f725 239 }
ansond 0:26c48388f725 240 else {
ansond 0:26c48388f725 241 // no messages received - log
ansond 0:26c48388f725 242 this->display("No control message received. OK");
ansond 0:26c48388f725 243 }
ansond 0:26c48388f725 244 }
ansond 0:26c48388f725 245 }
ansond 0:26c48388f725 246
ansond 0:26c48388f725 247 // send status (no params) to the service
ansond 0:26c48388f725 248 void Thermostat::sendStatus() {
ansond 0:26c48388f725 249 // send the status
ansond 0:26c48388f725 250 this->sendStatus(this->getTemperature(),this->getBatteryLevel());
ansond 0:26c48388f725 251 }
ansond 0:26c48388f725 252
ansond 0:26c48388f725 253 // send status (temp & battery) to the service
ansond 0:26c48388f725 254 void Thermostat::sendStatus(float temp, int bat) {
ansond 0:26c48388f725 255 // incorporate location coordinates
ansond 0:26c48388f725 256 this->sendStatus(temp,this->m_latitude,this->m_longitude,bat);
ansond 0:26c48388f725 257 }
ansond 0:26c48388f725 258
ansond 0:26c48388f725 259 // send status (temp, lat/long, battery) to the service
ansond 0:26c48388f725 260 void Thermostat::sendStatus(float temp, float latitude, float longitude, float bat) {
ansond 0:26c48388f725 261 // Announce
ansond 0:26c48388f725 262 this->display("Send: status...");
ansond 0:26c48388f725 263 this->display_lcd("Sending status...");
ansond 0:26c48388f725 264
ansond 0:26c48388f725 265 // now send...
ansond 0:26c48388f725 266 int sent = socketio.emit(temp,latitude,longitude,bat,this->getErrorState(),this->m_status);
ansond 0:26c48388f725 267
ansond 0:26c48388f725 268 // Log
ansond 0:26c48388f725 269 if (sent > 0) {
ansond 0:26c48388f725 270 this->display("Send success. Ready...");
ansond 0:26c48388f725 271 this->display_lcd("Send status: OK.\r\nSleeping...");
ansond 0:26c48388f725 272 }
ansond 0:26c48388f725 273 else {
ansond 0:26c48388f725 274 this->display("Send Failed: sent=%d",sent);
ansond 5:9866322ed225 275 this->display_lcd("Send status: FAILED.\r\nResetting...");
ansond 5:9866322ed225 276 NVIC_SystemReset();
ansond 0:26c48388f725 277 }
ansond 0:26c48388f725 278
ansond 0:26c48388f725 279 // blink the TX led
ansond 0:26c48388f725 280 this->blinkTransportTxLED();
ansond 0:26c48388f725 281 }
ansond 0:26c48388f725 282
ansond 0:26c48388f725 283 // connect to the heroku WebService
ansond 0:26c48388f725 284 bool Thermostat::connectWebSocketService() {
ansond 0:26c48388f725 285 // Log
ansond 0:26c48388f725 286 this->display("Connecting to SocketIO...");
ansond 0:26c48388f725 287 this->display_lcd("SocketIO connecting...");
ansond 0:26c48388f725 288
ansond 0:26c48388f725 289 // only connect if we are not already so
ansond 0:26c48388f725 290 if (!socketio.is_connected()) socketio.connect();
ansond 0:26c48388f725 291
ansond 0:26c48388f725 292 // check connection status
ansond 0:26c48388f725 293 bool connected = socketio.is_connected();
ansond 0:26c48388f725 294
ansond 0:26c48388f725 295 // log
ansond 0:26c48388f725 296 if (connected == true) {
ansond 0:26c48388f725 297 this->display("SocketIO: Connected!");
ansond 0:26c48388f725 298 this->display_lcd("SocketIO: Connected.");
ansond 0:26c48388f725 299 }
ansond 0:26c48388f725 300 else {
ansond 0:26c48388f725 301 this->display("SocketIO: Not connected!");
ansond 0:26c48388f725 302 this->display_lcd("SocketIO: Connect FAILED.");
ansond 0:26c48388f725 303 }
ansond 0:26c48388f725 304
ansond 0:26c48388f725 305 // return the status
ansond 0:26c48388f725 306 return connected;
ansond 0:26c48388f725 307 }
ansond 0:26c48388f725 308
ansond 0:26c48388f725 309 // Connect up Ethernet
ansond 0:26c48388f725 310 bool Thermostat::connectEthernet() {
ansond 0:26c48388f725 311 bool connected = false;
ansond 0:26c48388f725 312 char *ipAddr = NULL;
ansond 0:26c48388f725 313
ansond 0:26c48388f725 314 // Use DHCP
ansond 0:26c48388f725 315 this->display("Initializing Ethernet...");
ansond 0:26c48388f725 316 this->display_lcd("Ethernet: Initializing...");
ansond 0:26c48388f725 317 ethernet.init();
ansond 0:26c48388f725 318
ansond 0:26c48388f725 319 // attempt connection
ansond 0:26c48388f725 320 this->display("Connecting Ethernet...");
ansond 0:26c48388f725 321 this->display_lcd("Ethernet: Connecting...");
ansond 0:26c48388f725 322 if (ethernet.connect() == 0) connected = true;
ansond 0:26c48388f725 323
ansond 0:26c48388f725 324 // check connection status
ansond 0:26c48388f725 325 if (connected) {
ansond 0:26c48388f725 326 ipAddr = ethernet.getIPAddress();
ansond 0:26c48388f725 327 if (ipAddr != NULL && strlen(ipAddr) > 0)
ansond 0:26c48388f725 328 connected = true;
ansond 0:26c48388f725 329 }
ansond 0:26c48388f725 330
ansond 0:26c48388f725 331 // log
ansond 0:26c48388f725 332 if (connected == true) {
ansond 0:26c48388f725 333 this->display("Ethernet: Connected.\r\nIP: %s", ipAddr);
ansond 0:26c48388f725 334 this->display_lcd("Ethernet: Connected\r\nIP: %s",ipAddr);
ansond 0:26c48388f725 335 }
ansond 0:26c48388f725 336 else {
ansond 0:26c48388f725 337 this->display("Ethernet: Not connected");
ansond 0:26c48388f725 338 this->display_lcd("Ethernet: Connect FAILED.");
ansond 0:26c48388f725 339 }
ansond 0:26c48388f725 340
ansond 0:26c48388f725 341 // return the status
ansond 0:26c48388f725 342 return connected;
ansond 0:26c48388f725 343 }
ansond 0:26c48388f725 344
ansond 0:26c48388f725 345 // gracefully de-register and close down the WS connection
ansond 0:26c48388f725 346 void Thermostat::gracefullyDisconnect() {
ansond 0:26c48388f725 347 // disconnect
ansond 0:26c48388f725 348 if (socketio.is_connected()) socketio.close();
ansond 0:26c48388f725 349
ansond 0:26c48388f725 350 // announce
ansond 0:26c48388f725 351 this->display("Disconnected.");
ansond 0:26c48388f725 352 this->display_lcd("Disconnected.");
ansond 0:26c48388f725 353 this->turnRGBLEDBlue();
ansond 0:26c48388f725 354
ansond 0:26c48388f725 355 // reset any status
ansond 0:26c48388f725 356 this->m_status = "OK";
ansond 0:26c48388f725 357 socketio.resetMessageCounter();
ansond 0:26c48388f725 358 }
ansond 0:26c48388f725 359
ansond 0:26c48388f725 360 // external function in main() to check for the CTRL-C key press to exit the application gracefully
ansond 0:26c48388f725 361 extern void checkForExit();
ansond 0:26c48388f725 362
ansond 0:26c48388f725 363 // main loop
ansond 0:26c48388f725 364 void Thermostat::mainLoop() {
ansond 0:26c48388f725 365 // initialize our location
ansond 0:26c48388f725 366 this->initLocation();
ansond 0:26c48388f725 367
ansond 0:26c48388f725 368 // begin the main loop
ansond 0:26c48388f725 369 while(true) {
ansond 0:26c48388f725 370 // sleep for a bit
ansond 0:26c48388f725 371 checkForExit();
ansond 0:26c48388f725 372 wait(DEFAULT_MAIN_LOOP_WAIT);
ansond 0:26c48388f725 373
ansond 0:26c48388f725 374 // announce our position
ansond 0:26c48388f725 375 this->updateCoordinates();
ansond 4:379e9ad21486 376
ansond 5:9866322ed225 377 // if not connected... reset
ansond 4:379e9ad21486 378 if (!socketio.is_connected()){
ansond 5:9866322ed225 379 // reset
ansond 5:9866322ed225 380 NVIC_SystemReset();
ansond 4:379e9ad21486 381 }
ansond 0:26c48388f725 382
ansond 0:26c48388f725 383 // check and react to the joystick button press
ansond 0:26c48388f725 384 if (joystick_pressed) {
ansond 0:26c48388f725 385 if (this->m_rgbLEDColor > 1) {
ansond 0:26c48388f725 386 this->turnRGBLEDRed();
ansond 0:26c48388f725 387 this->m_status = "FAIL";
ansond 0:26c48388f725 388 }
ansond 0:26c48388f725 389 else {
ansond 0:26c48388f725 390 this->turnRGBLEDGreen();
ansond 0:26c48388f725 391 this->m_status = "OK";
ansond 0:26c48388f725 392 }
ansond 0:26c48388f725 393 }
ansond 0:26c48388f725 394 else if (socketio.is_connected() && this->m_rgbLEDColor > 121) {
ansond 0:26c48388f725 395 this->turnRGBLEDGreen();
ansond 0:26c48388f725 396 }
ansond 0:26c48388f725 397
ansond 0:26c48388f725 398 // check the status of the joystick
ansond 0:26c48388f725 399 if (joystick) {
ansond 0:26c48388f725 400 if (socketio.is_connected()) {
ansond 0:26c48388f725 401 // announce
ansond 0:26c48388f725 402 this->display("Disconnecting...");
ansond 0:26c48388f725 403 this->display_lcd("Disconnecting...");
ansond 0:26c48388f725 404
ansond 0:26c48388f725 405 // disconnect
ansond 0:26c48388f725 406 this->gracefullyDisconnect();
ansond 0:26c48388f725 407 }
ansond 0:26c48388f725 408 else if (!socketio.is_connected()){
ansond 0:26c48388f725 409 // announce
ansond 0:26c48388f725 410 this->display("Re-connecting...");
ansond 0:26c48388f725 411 this->display_lcd("Re-connecting...");
ansond 0:26c48388f725 412
ansond 0:26c48388f725 413 // re-connect
ansond 0:26c48388f725 414 if (this->connectWebSocketService()) {
ansond 0:26c48388f725 415 // announce
ansond 0:26c48388f725 416 this->display("Reconnect success");
ansond 0:26c48388f725 417 this->display_lcd("Reconnect: SUCCESS");
ansond 0:26c48388f725 418 this->turnRGBLEDGreen();
ansond 0:26c48388f725 419 this->resetAllLEDs();
ansond 0:26c48388f725 420 }
ansond 0:26c48388f725 421 else {
ansond 0:26c48388f725 422 // announce
ansond 0:26c48388f725 423 this->display("Reconnect failure");
ansond 0:26c48388f725 424 this->display_lcd("Reconnect: FAILED");
ansond 0:26c48388f725 425 this->gracefullyDisconnect();
ansond 0:26c48388f725 426 this->turnRGBLEDRed();
ansond 0:26c48388f725 427 }
ansond 0:26c48388f725 428 }
ansond 0:26c48388f725 429 }
ansond 0:26c48388f725 430
ansond 0:26c48388f725 431 // if we are connected, send our status
ansond 0:26c48388f725 432 if (socketio.is_connected()) {
ansond 0:26c48388f725 433 // send status
ansond 0:26c48388f725 434 this->sendStatus();
ansond 0:26c48388f725 435 checkForExit();
ansond 0:26c48388f725 436 }
ansond 0:26c48388f725 437
ansond 0:26c48388f725 438 // if we are connected, read any control we may receive
ansond 0:26c48388f725 439 if (socketio.is_connected()) {
ansond 0:26c48388f725 440 // process control messages
ansond 0:26c48388f725 441 this->processControlMessage();
ansond 0:26c48388f725 442 checkForExit();
ansond 0:26c48388f725 443 }
ansond 0:26c48388f725 444 }
ansond 0:26c48388f725 445 }
ansond 0:26c48388f725 446
ansond 0:26c48388f725 447 // Run the Demo
ansond 0:26c48388f725 448 void Thermostat::runDemo() {
ansond 0:26c48388f725 449 // Announce
ansond 0:26c48388f725 450 this->display("Thermostat Hands-On Demo v1.0");
ansond 0:26c48388f725 451 this->display_lcd("Thermostat Hands-On\r\nDemo v1.0");
ansond 0:26c48388f725 452
ansond 0:26c48388f725 453 // init the RGB LED
ansond 0:26c48388f725 454 this->display("Initializing LEDs...");
ansond 0:26c48388f725 455 this->turnRGBLEDBlue();
ansond 0:26c48388f725 456
ansond 0:26c48388f725 457 // Log
ansond 0:26c48388f725 458 this->display("Connecting...");
ansond 0:26c48388f725 459 this->display_lcd("Connecting...");
ansond 0:26c48388f725 460
ansond 0:26c48388f725 461 // connect and send the initial status
ansond 0:26c48388f725 462 if (this->connectEthernet() == true && this->connectWebSocketService() == true) {
ansond 0:26c48388f725 463 this->sendStatus();
ansond 0:26c48388f725 464 this->mainLoop();
ansond 0:26c48388f725 465 }
ansond 0:26c48388f725 466 else {
ansond 0:26c48388f725 467 this->display("Connection failure. Application exiting...");
ansond 0:26c48388f725 468 this->display_lcd("Connect: FAILURE.\r\nApplication Exiting");
ansond 0:26c48388f725 469 }
ansond 0:26c48388f725 470
ansond 0:26c48388f725 471 // exit the application if we get here
ansond 0:26c48388f725 472 exit(1);
ansond 0:26c48388f725 473 }