Dreamforce 2013 MiniHack Thermostat Challenge - completed code
Dependencies: C12832_lcd EthernetInterface-ansond-patched HTTPClient-thermostat-remotes LM75B MMA7660 SocketIO WebSocketClient-ThermostatDemo mbed-rtos mbed picojson
Thermostat.cpp@0:26c48388f725, 2013-11-05 (annotated)
- Committer:
- ansond
- Date:
- Tue Nov 05 21:31:01 2013 +0000
- Revision:
- 0:26c48388f725
- Child:
- 1:3faa003ad6e6
initial checkin
Who changed what in which revision?
User | Revision | Line number | New 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 | 0:26c48388f725 | 47 | // |
ansond | 0:26c48388f725 | 48 | // Our default Latitude and Longitude |
ansond | 0:26c48388f725 | 49 | // |
ansond | 0:26c48388f725 | 50 | #define DEFAULT_LATITUDE 37.7842 |
ansond | 0:26c48388f725 | 51 | #define DEFAULT_LONGITUDE -122.4016 |
ansond | 0:26c48388f725 | 52 | |
ansond | 0:26c48388f725 | 53 | // |
ansond | 0:26c48388f725 | 54 | // Name our endpoint something unique |
ansond | 0:26c48388f725 | 55 | // |
ansond | 0:26c48388f725 | 56 | #define DEFAULT_ENDPOINT_NAME "DreamForce Thermostat" |
ansond | 0:26c48388f725 | 57 | |
ansond | 0:26c48388f725 | 58 | // DreamForce 2013 Tunables END |
ansond | 0:26c48388f725 | 59 | |
ansond | 0:26c48388f725 | 60 | // Wait Loop default sleep per iteration |
ansond | 0:26c48388f725 | 61 | #define DEFAULT_MAIN_LOOP_WAIT 2.0 // 2 seconds |
ansond | 0:26c48388f725 | 62 | |
ansond | 0:26c48388f725 | 63 | // JSON parsing support |
ansond | 0:26c48388f725 | 64 | #include "picojson.h" |
ansond | 0:26c48388f725 | 65 | |
ansond | 0:26c48388f725 | 66 | // |
ansond | 0:26c48388f725 | 67 | // Accelerometer Support |
ansond | 0:26c48388f725 | 68 | // |
ansond | 0:26c48388f725 | 69 | #include "MMA7660.h" |
ansond | 0:26c48388f725 | 70 | MMA7660 acc(p28, p27); |
ansond | 0:26c48388f725 | 71 | |
ansond | 0:26c48388f725 | 72 | // |
ansond | 0:26c48388f725 | 73 | // Temperature Sensor Support |
ansond | 0:26c48388f725 | 74 | // |
ansond | 0:26c48388f725 | 75 | #include "LM75B.h" |
ansond | 0:26c48388f725 | 76 | LM75B temp_sensor(p28,p27); |
ansond | 0:26c48388f725 | 77 | |
ansond | 0:26c48388f725 | 78 | // |
ansond | 0:26c48388f725 | 79 | // Ethernet support |
ansond | 0:26c48388f725 | 80 | // |
ansond | 0:26c48388f725 | 81 | #include "EthernetInterface.h" |
ansond | 0:26c48388f725 | 82 | EthernetInterface ethernet; |
ansond | 0:26c48388f725 | 83 | |
ansond | 0:26c48388f725 | 84 | // |
ansond | 0:26c48388f725 | 85 | // Thermostat SocketIO Support |
ansond | 0:26c48388f725 | 86 | // |
ansond | 0:26c48388f725 | 87 | #include "ThermostatSocketIO.h" |
ansond | 0:26c48388f725 | 88 | ThermostatSocketIO socketio(DEFAULT_ENDPOINT_NAME); |
ansond | 0:26c48388f725 | 89 | |
ansond | 0:26c48388f725 | 90 | // Include LED Utils |
ansond | 0:26c48388f725 | 91 | #include "Thermostat-LEDUtils.h" |
ansond | 0:26c48388f725 | 92 | |
ansond | 0:26c48388f725 | 93 | // Include Base Utils |
ansond | 0:26c48388f725 | 94 | #include "Thermostat-BaseUtils.h" |
ansond | 0:26c48388f725 | 95 | |
ansond | 0:26c48388f725 | 96 | // Include Location Stubs |
ansond | 0:26c48388f725 | 97 | #include "Thermostat-Location.h" |
ansond | 0:26c48388f725 | 98 | |
ansond | 0:26c48388f725 | 99 | // Default constructor |
ansond | 0:26c48388f725 | 100 | Thermostat::Thermostat() { |
ansond | 0:26c48388f725 | 101 | this->m_temperature = 0.0; |
ansond | 0:26c48388f725 | 102 | this->m_battery = 50.0; |
ansond | 0:26c48388f725 | 103 | this->m_status = "OK"; |
ansond | 0:26c48388f725 | 104 | } |
ansond | 0:26c48388f725 | 105 | |
ansond | 0:26c48388f725 | 106 | // Destructor |
ansond | 0:26c48388f725 | 107 | Thermostat::~Thermostat() { |
ansond | 0:26c48388f725 | 108 | // close down connections |
ansond | 0:26c48388f725 | 109 | socketio.close(); |
ansond | 0:26c48388f725 | 110 | ethernet.disconnect(); |
ansond | 0:26c48388f725 | 111 | this->turnRGBLEDBlue(); |
ansond | 0:26c48388f725 | 112 | } |
ansond | 0:26c48388f725 | 113 | |
ansond | 0:26c48388f725 | 114 | // get the temp |
ansond | 0:26c48388f725 | 115 | float Thermostat::getTemperature() { |
ansond | 0:26c48388f725 | 116 | // get Pot 2 an additive/subtractive value to the ambient temp |
ansond | 0:26c48388f725 | 117 | float scale = Pot2.read(); |
ansond | 0:26c48388f725 | 118 | scale = scale * 20.0; // scale to 0 - 20 |
ansond | 0:26c48388f725 | 119 | scale = scale - 10.0; // scale -10 to +10 |
ansond | 0:26c48388f725 | 120 | |
ansond | 0:26c48388f725 | 121 | // Get the Temperature (in C) |
ansond | 0:26c48388f725 | 122 | float c = temp_sensor.read(); |
ansond | 0:26c48388f725 | 123 | float f = ((9/5) * c ) + 32; |
ansond | 0:26c48388f725 | 124 | |
ansond | 0:26c48388f725 | 125 | // now get the ambient temp and scale it |
ansond | 0:26c48388f725 | 126 | this->m_temperature = c + scale; |
ansond | 0:26c48388f725 | 127 | this->display("Temp %.1f C (%.1f F)",this->m_temperature,f); |
ansond | 0:26c48388f725 | 128 | this->display_lcd("Temp: %.1f C (%.1f F)",this->m_temperature,f); |
ansond | 0:26c48388f725 | 129 | |
ansond | 0:26c48388f725 | 130 | // return the temperature |
ansond | 0:26c48388f725 | 131 | return this->m_temperature; |
ansond | 0:26c48388f725 | 132 | } |
ansond | 0:26c48388f725 | 133 | |
ansond | 0:26c48388f725 | 134 | // get the current battery level |
ansond | 0:26c48388f725 | 135 | float Thermostat::getBatteryLevel() { |
ansond | 0:26c48388f725 | 136 | // get Pot 1 an additive/subtractive value to simulate battery level |
ansond | 0:26c48388f725 | 137 | this->m_battery = Pot1.read(); |
ansond | 0:26c48388f725 | 138 | this->m_battery = this->m_battery * 100.0; // scale to 0 - 100; |
ansond | 0:26c48388f725 | 139 | |
ansond | 0:26c48388f725 | 140 | // return the battery level |
ansond | 0:26c48388f725 | 141 | return this->m_battery; |
ansond | 0:26c48388f725 | 142 | } |
ansond | 0:26c48388f725 | 143 | |
ansond | 0:26c48388f725 | 144 | // receive from the heroku SocketIO web service |
ansond | 0:26c48388f725 | 145 | char *Thermostat::receiveFromWSService(char *buffer) { |
ansond | 0:26c48388f725 | 146 | bool success = socketio.read(buffer); |
ansond | 0:26c48388f725 | 147 | if (success == true) |
ansond | 0:26c48388f725 | 148 | this->display("SocketIO: Read success"); |
ansond | 0:26c48388f725 | 149 | else |
ansond | 0:26c48388f725 | 150 | this->display("SocketIO: Read failure"); |
ansond | 0:26c48388f725 | 151 | |
ansond | 0:26c48388f725 | 152 | return buffer; |
ansond | 0:26c48388f725 | 153 | } |
ansond | 0:26c48388f725 | 154 | |
ansond | 0:26c48388f725 | 155 | // translate the LED status |
ansond | 0:26c48388f725 | 156 | int Thermostat::translateLEDStatus(const char *status, int current) { |
ansond | 0:26c48388f725 | 157 | int i_status = current; |
ansond | 0:26c48388f725 | 158 | |
ansond | 0:26c48388f725 | 159 | if (status != NULL && strlen(status) > 0) { |
ansond | 0:26c48388f725 | 160 | if (strcmp(status,"on") == 0 || strcmp(status,"ON") == 0 || strcmp(status,"On") == 0 || strcmp(status,"1") == 0 || strcmp(status,"oN") == 0) |
ansond | 0:26c48388f725 | 161 | i_status = 1; |
ansond | 0:26c48388f725 | 162 | 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 | 163 | i_status = 0; |
ansond | 0:26c48388f725 | 164 | } |
ansond | 0:26c48388f725 | 165 | |
ansond | 0:26c48388f725 | 166 | // return the status |
ansond | 0:26c48388f725 | 167 | return i_status; |
ansond | 0:26c48388f725 | 168 | } |
ansond | 0:26c48388f725 | 169 | |
ansond | 0:26c48388f725 | 170 | // reset the device status to OK |
ansond | 0:26c48388f725 | 171 | void Thermostat::resetDeviceStatus() { |
ansond | 0:26c48388f725 | 172 | this->turnRGBLEDGreen(); |
ansond | 0:26c48388f725 | 173 | this->m_status = "OK"; |
ansond | 0:26c48388f725 | 174 | socketio.resetMessageCounter(); |
ansond | 0:26c48388f725 | 175 | this->resetAllLEDs(); |
ansond | 0:26c48388f725 | 176 | } |
ansond | 0:26c48388f725 | 177 | |
ansond | 0:26c48388f725 | 178 | // basic parsing and processing of the control message |
ansond | 0:26c48388f725 | 179 | // |
ansond | 0:26c48388f725 | 180 | // Control Message Format: 5:::{"name":"control-device","args":[{"hello":"world"}]} |
ansond | 0:26c48388f725 | 181 | // |
ansond | 0:26c48388f725 | 182 | void Thermostat::parseAndActOnControlMessage(char *json) { |
ansond | 0:26c48388f725 | 183 | picojson::value v; |
ansond | 0:26c48388f725 | 184 | |
ansond | 0:26c48388f725 | 185 | if (json != NULL && strlen(json) > 0 && strstr(json,"{") != NULL) { |
ansond | 0:26c48388f725 | 186 | // move past the socket.io header |
ansond | 0:26c48388f725 | 187 | char *json_proper = strstr(json,"{"); |
ansond | 0:26c48388f725 | 188 | |
ansond | 0:26c48388f725 | 189 | // parse the packet |
ansond | 0:26c48388f725 | 190 | string err = picojson::parse(v, json_proper, json_proper + strlen(json_proper)); |
ansond | 0:26c48388f725 | 191 | |
ansond | 0:26c48388f725 | 192 | // the args value is an array of json values |
ansond | 0:26c48388f725 | 193 | picojson::array list = v.get("args").get<picojson::array>(); |
ansond | 0:26c48388f725 | 194 | |
ansond | 0:26c48388f725 | 195 | // loop through the array and parse/process each element |
ansond | 0:26c48388f725 | 196 | for (picojson::array::iterator iter = list.begin(); iter != list.end(); ++iter) { |
ansond | 0:26c48388f725 | 197 | // Toggle LEDs |
ansond | 0:26c48388f725 | 198 | if ((*iter).get("led1") != NULL) led1.write(this->translateLEDStatus((*iter).get("led1").get<string>().c_str(),(int)led1)); |
ansond | 0:26c48388f725 | 199 | if ((*iter).get("led2") != NULL) led2.write(this->translateLEDStatus((*iter).get("led2").get<string>().c_str(),(int)led2)); |
ansond | 0:26c48388f725 | 200 | if ((*iter).get("led3") != NULL) led3.write(this->translateLEDStatus((*iter).get("led3").get<string>().c_str(),(int)led3)); |
ansond | 0:26c48388f725 | 201 | if ((*iter).get("led4") != NULL) led4.write(this->translateLEDStatus((*iter).get("led4").get<string>().c_str(),(int)led4)); |
ansond | 0:26c48388f725 | 202 | if ((*iter).get("reset") != NULL) this->resetDeviceStatus(); |
ansond | 0:26c48388f725 | 203 | if ((*iter).get("text") != NULL) this->display((*iter).get("text").get<string>().c_str()); |
ansond | 0:26c48388f725 | 204 | if ((*iter).get("blink") != NULL) this->blinkAllLEDs(); |
ansond | 0:26c48388f725 | 205 | |
ansond | 0:26c48388f725 | 206 | // |
ansond | 0:26c48388f725 | 207 | // 2013 DreamForce MiniHack - add code to look for a "text" message - send its contents to the LCD panel |
ansond | 0:26c48388f725 | 208 | // using the this->display(char *) method |
ansond | 0:26c48388f725 | 209 | // |
ansond | 0:26c48388f725 | 210 | // Answer: |
ansond | 0:26c48388f725 | 211 | // |
ansond | 0:26c48388f725 | 212 | if ((*iter).get("text") != NULL) this->display((*iter).get("text").get<string>().c_str()); |
ansond | 0:26c48388f725 | 213 | } |
ansond | 0:26c48388f725 | 214 | } |
ansond | 0:26c48388f725 | 215 | } |
ansond | 0:26c48388f725 | 216 | |
ansond | 0:26c48388f725 | 217 | // recv and process a control message |
ansond | 0:26c48388f725 | 218 | void Thermostat::processControlMessage() { |
ansond | 0:26c48388f725 | 219 | |
ansond | 0:26c48388f725 | 220 | if (socketio.is_connected()) { |
ansond | 0:26c48388f725 | 221 | char message[SOCKETIO_MESSAGE_LENGTH]; |
ansond | 0:26c48388f725 | 222 | if (socketio.read(message)) { |
ansond | 0:26c48388f725 | 223 | // log the message |
ansond | 0:26c48388f725 | 224 | this->display("Received control message: %s",message); |
ansond | 0:26c48388f725 | 225 | |
ansond | 0:26c48388f725 | 226 | // process the message |
ansond | 0:26c48388f725 | 227 | this->parseAndActOnControlMessage(message); |
ansond | 0:26c48388f725 | 228 | |
ansond | 0:26c48388f725 | 229 | // blink the RX led |
ansond | 0:26c48388f725 | 230 | this->blinkTransportRxLED(); |
ansond | 0:26c48388f725 | 231 | } |
ansond | 0:26c48388f725 | 232 | else { |
ansond | 0:26c48388f725 | 233 | // no messages received - log |
ansond | 0:26c48388f725 | 234 | this->display("No control message received. OK"); |
ansond | 0:26c48388f725 | 235 | } |
ansond | 0:26c48388f725 | 236 | } |
ansond | 0:26c48388f725 | 237 | } |
ansond | 0:26c48388f725 | 238 | |
ansond | 0:26c48388f725 | 239 | // send status (no params) to the service |
ansond | 0:26c48388f725 | 240 | void Thermostat::sendStatus() { |
ansond | 0:26c48388f725 | 241 | // send the status |
ansond | 0:26c48388f725 | 242 | this->sendStatus(this->getTemperature(),this->getBatteryLevel()); |
ansond | 0:26c48388f725 | 243 | } |
ansond | 0:26c48388f725 | 244 | |
ansond | 0:26c48388f725 | 245 | // send status (temp & battery) to the service |
ansond | 0:26c48388f725 | 246 | void Thermostat::sendStatus(float temp, int bat) { |
ansond | 0:26c48388f725 | 247 | // incorporate location coordinates |
ansond | 0:26c48388f725 | 248 | this->sendStatus(temp,this->m_latitude,this->m_longitude,bat); |
ansond | 0:26c48388f725 | 249 | } |
ansond | 0:26c48388f725 | 250 | |
ansond | 0:26c48388f725 | 251 | // send status (temp, lat/long, battery) to the service |
ansond | 0:26c48388f725 | 252 | void Thermostat::sendStatus(float temp, float latitude, float longitude, float bat) { |
ansond | 0:26c48388f725 | 253 | // Announce |
ansond | 0:26c48388f725 | 254 | this->display("Send: status..."); |
ansond | 0:26c48388f725 | 255 | this->display_lcd("Sending status..."); |
ansond | 0:26c48388f725 | 256 | |
ansond | 0:26c48388f725 | 257 | // now send... |
ansond | 0:26c48388f725 | 258 | int sent = socketio.emit(temp,latitude,longitude,bat,this->getErrorState(),this->m_status); |
ansond | 0:26c48388f725 | 259 | |
ansond | 0:26c48388f725 | 260 | // Log |
ansond | 0:26c48388f725 | 261 | if (sent > 0) { |
ansond | 0:26c48388f725 | 262 | this->display("Send success. Ready..."); |
ansond | 0:26c48388f725 | 263 | this->display_lcd("Send status: OK.\r\nSleeping..."); |
ansond | 0:26c48388f725 | 264 | } |
ansond | 0:26c48388f725 | 265 | else { |
ansond | 0:26c48388f725 | 266 | this->display("Send Failed: sent=%d",sent); |
ansond | 0:26c48388f725 | 267 | this->display_lcd("Send status: FAILED.\r\nSleeping..."); |
ansond | 0:26c48388f725 | 268 | } |
ansond | 0:26c48388f725 | 269 | |
ansond | 0:26c48388f725 | 270 | // blink the TX led |
ansond | 0:26c48388f725 | 271 | this->blinkTransportTxLED(); |
ansond | 0:26c48388f725 | 272 | } |
ansond | 0:26c48388f725 | 273 | |
ansond | 0:26c48388f725 | 274 | // connect to the heroku WebService |
ansond | 0:26c48388f725 | 275 | bool Thermostat::connectWebSocketService() { |
ansond | 0:26c48388f725 | 276 | // Log |
ansond | 0:26c48388f725 | 277 | this->display("Connecting to SocketIO..."); |
ansond | 0:26c48388f725 | 278 | this->display_lcd("SocketIO connecting..."); |
ansond | 0:26c48388f725 | 279 | |
ansond | 0:26c48388f725 | 280 | // only connect if we are not already so |
ansond | 0:26c48388f725 | 281 | if (!socketio.is_connected()) socketio.connect(); |
ansond | 0:26c48388f725 | 282 | |
ansond | 0:26c48388f725 | 283 | // check connection status |
ansond | 0:26c48388f725 | 284 | bool connected = socketio.is_connected(); |
ansond | 0:26c48388f725 | 285 | |
ansond | 0:26c48388f725 | 286 | // log |
ansond | 0:26c48388f725 | 287 | if (connected == true) { |
ansond | 0:26c48388f725 | 288 | this->display("SocketIO: Connected!"); |
ansond | 0:26c48388f725 | 289 | this->display_lcd("SocketIO: Connected."); |
ansond | 0:26c48388f725 | 290 | } |
ansond | 0:26c48388f725 | 291 | else { |
ansond | 0:26c48388f725 | 292 | this->display("SocketIO: Not connected!"); |
ansond | 0:26c48388f725 | 293 | this->display_lcd("SocketIO: Connect FAILED."); |
ansond | 0:26c48388f725 | 294 | } |
ansond | 0:26c48388f725 | 295 | |
ansond | 0:26c48388f725 | 296 | // return the status |
ansond | 0:26c48388f725 | 297 | return connected; |
ansond | 0:26c48388f725 | 298 | } |
ansond | 0:26c48388f725 | 299 | |
ansond | 0:26c48388f725 | 300 | // Connect up Ethernet |
ansond | 0:26c48388f725 | 301 | bool Thermostat::connectEthernet() { |
ansond | 0:26c48388f725 | 302 | bool connected = false; |
ansond | 0:26c48388f725 | 303 | char *ipAddr = NULL; |
ansond | 0:26c48388f725 | 304 | |
ansond | 0:26c48388f725 | 305 | // Use DHCP |
ansond | 0:26c48388f725 | 306 | this->display("Initializing Ethernet..."); |
ansond | 0:26c48388f725 | 307 | this->display_lcd("Ethernet: Initializing..."); |
ansond | 0:26c48388f725 | 308 | ethernet.init(); |
ansond | 0:26c48388f725 | 309 | |
ansond | 0:26c48388f725 | 310 | // attempt connection |
ansond | 0:26c48388f725 | 311 | this->display("Connecting Ethernet..."); |
ansond | 0:26c48388f725 | 312 | this->display_lcd("Ethernet: Connecting..."); |
ansond | 0:26c48388f725 | 313 | if (ethernet.connect() == 0) connected = true; |
ansond | 0:26c48388f725 | 314 | |
ansond | 0:26c48388f725 | 315 | // check connection status |
ansond | 0:26c48388f725 | 316 | if (connected) { |
ansond | 0:26c48388f725 | 317 | ipAddr = ethernet.getIPAddress(); |
ansond | 0:26c48388f725 | 318 | if (ipAddr != NULL && strlen(ipAddr) > 0) |
ansond | 0:26c48388f725 | 319 | connected = true; |
ansond | 0:26c48388f725 | 320 | } |
ansond | 0:26c48388f725 | 321 | |
ansond | 0:26c48388f725 | 322 | // log |
ansond | 0:26c48388f725 | 323 | if (connected == true) { |
ansond | 0:26c48388f725 | 324 | this->display("Ethernet: Connected.\r\nIP: %s", ipAddr); |
ansond | 0:26c48388f725 | 325 | this->display_lcd("Ethernet: Connected\r\nIP: %s",ipAddr); |
ansond | 0:26c48388f725 | 326 | } |
ansond | 0:26c48388f725 | 327 | else { |
ansond | 0:26c48388f725 | 328 | this->display("Ethernet: Not connected"); |
ansond | 0:26c48388f725 | 329 | this->display_lcd("Ethernet: Connect FAILED."); |
ansond | 0:26c48388f725 | 330 | } |
ansond | 0:26c48388f725 | 331 | |
ansond | 0:26c48388f725 | 332 | // return the status |
ansond | 0:26c48388f725 | 333 | return connected; |
ansond | 0:26c48388f725 | 334 | } |
ansond | 0:26c48388f725 | 335 | |
ansond | 0:26c48388f725 | 336 | // gracefully de-register and close down the WS connection |
ansond | 0:26c48388f725 | 337 | void Thermostat::gracefullyDisconnect() { |
ansond | 0:26c48388f725 | 338 | // disconnect |
ansond | 0:26c48388f725 | 339 | if (socketio.is_connected()) socketio.close(); |
ansond | 0:26c48388f725 | 340 | |
ansond | 0:26c48388f725 | 341 | // announce |
ansond | 0:26c48388f725 | 342 | this->display("Disconnected."); |
ansond | 0:26c48388f725 | 343 | this->display_lcd("Disconnected."); |
ansond | 0:26c48388f725 | 344 | this->turnRGBLEDBlue(); |
ansond | 0:26c48388f725 | 345 | |
ansond | 0:26c48388f725 | 346 | // reset any status |
ansond | 0:26c48388f725 | 347 | this->m_status = "OK"; |
ansond | 0:26c48388f725 | 348 | socketio.resetMessageCounter(); |
ansond | 0:26c48388f725 | 349 | } |
ansond | 0:26c48388f725 | 350 | |
ansond | 0:26c48388f725 | 351 | // external function in main() to check for the CTRL-C key press to exit the application gracefully |
ansond | 0:26c48388f725 | 352 | extern void checkForExit(); |
ansond | 0:26c48388f725 | 353 | |
ansond | 0:26c48388f725 | 354 | // main loop |
ansond | 0:26c48388f725 | 355 | void Thermostat::mainLoop() { |
ansond | 0:26c48388f725 | 356 | // initialize our location |
ansond | 0:26c48388f725 | 357 | this->initLocation(); |
ansond | 0:26c48388f725 | 358 | |
ansond | 0:26c48388f725 | 359 | // begin the main loop |
ansond | 0:26c48388f725 | 360 | while(true) { |
ansond | 0:26c48388f725 | 361 | // sleep for a bit |
ansond | 0:26c48388f725 | 362 | checkForExit(); |
ansond | 0:26c48388f725 | 363 | wait(DEFAULT_MAIN_LOOP_WAIT); |
ansond | 0:26c48388f725 | 364 | |
ansond | 0:26c48388f725 | 365 | // announce our position |
ansond | 0:26c48388f725 | 366 | this->updateCoordinates(); |
ansond | 0:26c48388f725 | 367 | |
ansond | 0:26c48388f725 | 368 | // check and react to the joystick button press |
ansond | 0:26c48388f725 | 369 | if (joystick_pressed) { |
ansond | 0:26c48388f725 | 370 | if (this->m_rgbLEDColor > 1) { |
ansond | 0:26c48388f725 | 371 | this->turnRGBLEDRed(); |
ansond | 0:26c48388f725 | 372 | this->m_status = "FAIL"; |
ansond | 0:26c48388f725 | 373 | } |
ansond | 0:26c48388f725 | 374 | else { |
ansond | 0:26c48388f725 | 375 | this->turnRGBLEDGreen(); |
ansond | 0:26c48388f725 | 376 | this->m_status = "OK"; |
ansond | 0:26c48388f725 | 377 | } |
ansond | 0:26c48388f725 | 378 | } |
ansond | 0:26c48388f725 | 379 | else if (socketio.is_connected() && this->m_rgbLEDColor > 121) { |
ansond | 0:26c48388f725 | 380 | this->turnRGBLEDGreen(); |
ansond | 0:26c48388f725 | 381 | } |
ansond | 0:26c48388f725 | 382 | |
ansond | 0:26c48388f725 | 383 | // check the status of the joystick |
ansond | 0:26c48388f725 | 384 | if (joystick) { |
ansond | 0:26c48388f725 | 385 | if (socketio.is_connected()) { |
ansond | 0:26c48388f725 | 386 | // announce |
ansond | 0:26c48388f725 | 387 | this->display("Disconnecting..."); |
ansond | 0:26c48388f725 | 388 | this->display_lcd("Disconnecting..."); |
ansond | 0:26c48388f725 | 389 | |
ansond | 0:26c48388f725 | 390 | // disconnect |
ansond | 0:26c48388f725 | 391 | this->gracefullyDisconnect(); |
ansond | 0:26c48388f725 | 392 | } |
ansond | 0:26c48388f725 | 393 | else if (!socketio.is_connected()){ |
ansond | 0:26c48388f725 | 394 | // announce |
ansond | 0:26c48388f725 | 395 | this->display("Re-connecting..."); |
ansond | 0:26c48388f725 | 396 | this->display_lcd("Re-connecting..."); |
ansond | 0:26c48388f725 | 397 | |
ansond | 0:26c48388f725 | 398 | // re-connect |
ansond | 0:26c48388f725 | 399 | if (this->connectWebSocketService()) { |
ansond | 0:26c48388f725 | 400 | // announce |
ansond | 0:26c48388f725 | 401 | this->display("Reconnect success"); |
ansond | 0:26c48388f725 | 402 | this->display_lcd("Reconnect: SUCCESS"); |
ansond | 0:26c48388f725 | 403 | this->turnRGBLEDGreen(); |
ansond | 0:26c48388f725 | 404 | this->resetAllLEDs(); |
ansond | 0:26c48388f725 | 405 | } |
ansond | 0:26c48388f725 | 406 | else { |
ansond | 0:26c48388f725 | 407 | // announce |
ansond | 0:26c48388f725 | 408 | this->display("Reconnect failure"); |
ansond | 0:26c48388f725 | 409 | this->display_lcd("Reconnect: FAILED"); |
ansond | 0:26c48388f725 | 410 | this->gracefullyDisconnect(); |
ansond | 0:26c48388f725 | 411 | this->turnRGBLEDRed(); |
ansond | 0:26c48388f725 | 412 | } |
ansond | 0:26c48388f725 | 413 | } |
ansond | 0:26c48388f725 | 414 | } |
ansond | 0:26c48388f725 | 415 | |
ansond | 0:26c48388f725 | 416 | // if we are connected, send our status |
ansond | 0:26c48388f725 | 417 | if (socketio.is_connected()) { |
ansond | 0:26c48388f725 | 418 | // send status |
ansond | 0:26c48388f725 | 419 | this->sendStatus(); |
ansond | 0:26c48388f725 | 420 | checkForExit(); |
ansond | 0:26c48388f725 | 421 | } |
ansond | 0:26c48388f725 | 422 | |
ansond | 0:26c48388f725 | 423 | // if we are connected, read any control we may receive |
ansond | 0:26c48388f725 | 424 | if (socketio.is_connected()) { |
ansond | 0:26c48388f725 | 425 | // process control messages |
ansond | 0:26c48388f725 | 426 | this->processControlMessage(); |
ansond | 0:26c48388f725 | 427 | checkForExit(); |
ansond | 0:26c48388f725 | 428 | } |
ansond | 0:26c48388f725 | 429 | } |
ansond | 0:26c48388f725 | 430 | } |
ansond | 0:26c48388f725 | 431 | |
ansond | 0:26c48388f725 | 432 | // Run the Demo |
ansond | 0:26c48388f725 | 433 | void Thermostat::runDemo() { |
ansond | 0:26c48388f725 | 434 | // Announce |
ansond | 0:26c48388f725 | 435 | this->display("Thermostat Hands-On Demo v1.0"); |
ansond | 0:26c48388f725 | 436 | this->display_lcd("Thermostat Hands-On\r\nDemo v1.0"); |
ansond | 0:26c48388f725 | 437 | |
ansond | 0:26c48388f725 | 438 | // init the RGB LED |
ansond | 0:26c48388f725 | 439 | this->display("Initializing LEDs..."); |
ansond | 0:26c48388f725 | 440 | this->turnRGBLEDBlue(); |
ansond | 0:26c48388f725 | 441 | |
ansond | 0:26c48388f725 | 442 | // Log |
ansond | 0:26c48388f725 | 443 | this->display("Connecting..."); |
ansond | 0:26c48388f725 | 444 | this->display_lcd("Connecting..."); |
ansond | 0:26c48388f725 | 445 | |
ansond | 0:26c48388f725 | 446 | // connect and send the initial status |
ansond | 0:26c48388f725 | 447 | if (this->connectEthernet() == true && this->connectWebSocketService() == true) { |
ansond | 0:26c48388f725 | 448 | this->sendStatus(); |
ansond | 0:26c48388f725 | 449 | this->mainLoop(); |
ansond | 0:26c48388f725 | 450 | } |
ansond | 0:26c48388f725 | 451 | else { |
ansond | 0:26c48388f725 | 452 | this->display("Connection failure. Application exiting..."); |
ansond | 0:26c48388f725 | 453 | this->display_lcd("Connect: FAILURE.\r\nApplication Exiting"); |
ansond | 0:26c48388f725 | 454 | } |
ansond | 0:26c48388f725 | 455 | |
ansond | 0:26c48388f725 | 456 | // exit the application if we get here |
ansond | 0:26c48388f725 | 457 | exit(1); |
ansond | 0:26c48388f725 | 458 | } |