version2/src/C/Sensor-Arduino.ino

   1 #include "Table.h"
   2 #include "IoTString.h"
   3 #include "TimingSingleton.h"
   4 #include "TransactionStatus.h"
   5 #include "DHT.h"
   6
   7 // System defines
   8 // Arduino
   9 #define DHTPIN                  2               // Data pin
  10 #define PWRPIN                  D5              // Power pin
  11 #define DHTTYPE                 DHT22   // DHT 22  (AM2302)
  12 // IoTCloud
  13 #define SLEEP_TIME              1800    // Sleep time in seconds
  14
  15 // Initialize DHT sensor for normal 16mhz Arduino
  16 DHT dht(DHTPIN, DHTTYPE);
  17
  18 // Globals
  19 // IoTCloud
  20 TimingSingleton *timer;
  21 bool foundError;
  22 MyVector<TransactionStatus *> * transStatusList;
  23 char keyBuffer[80];
  24 char dataBuffer[80];
  25 Table *t1;
  26 IoTString *iKeyA;
  27 IoTString *iValueA;
  28
  29
  30 void setup() {
  31         // TODO: If you want to use the Serial library,
  32         // please install "screen" on your machine and run
  33         // it on the serial port right after flashing the
  34         // firmware onto the Particle board.
  35         // e.g. sudo screen /dev/ttyACM0
  36
  37         // We use one I/O pin to power the sensor so
  38         // that we can make it go to sleep when we go into
  39         // deep sleep.
  40         pinMode(PWRPIN, OUTPUT);
  41         // Turn on sensor
  42         digitalWrite(PWRPIN, HIGH);
  43
  44         // Prepare device key from MAC (just last 2 of 6 digits)
  45         byte mac[6];
  46         WiFi.macAddress(mac);
  47
  48         // TODO: Uncomment the following block to print MAC
  49         //Serial.begin();
  50         //for (int i=0; i<6; i++) {
  51         //      Serial.printf("%02x%s", mac[i], i != 5 ? ":" : "");
  52         //}
  53         //Serial.println();
  54
  55         int64_t machineId = (int64_t) mac[4] + mac[5];
  56         // IoTCloud library
  57         timer = TimingSingleton_getInstance();
  58         foundError = false;
  59         transStatusList = new MyVector<TransactionStatus *>();
  60         IoTString *baseurl = new IoTString("http://dc-6.calit2.uci.edu/test.iotcloud/");
  61         IoTString *password = new IoTString("reallysecret");
  62         t1 = new Table(baseurl, password, machineId, -1);
  63         t1->rebuild();
  64
  65         baseurl->releaseRef();
  66         password->releaseRef();
  67
  68         // Arduino DHT
  69         dht.begin();
  70 }
  71
  72 void loop() {
  73
  74         // Wait until sensor is ready
  75         delay(2000);
  76         // Read temperature as Fahrenheit
  77         float tempF = dht.readTemperature(true);
  78         // Check if any reads failed and exit early (to try again).
  79         if (isnan(tempF))
  80                 return;
  81
  82         // Key
  83         sprintf(keyBuffer, "sensor0");
  84         iKeyA = new IoTString(keyBuffer);
  85
  86         // Do updates for the temperature
  87         sprintf(dataBuffer, "%f", tempF);
  88         iValueA = new IoTString(dataBuffer);
  89
  90         t1->startTransaction();
  91         t1->put(iKeyA, iValueA);
  92         transStatusList->add(t1->commitTransaction());
  93         t1->update();
  94
  95         iKeyA->releaseRef();
  96         iValueA->releaseRef();
  97
  98         // Turn off sensor
  99         digitalWrite(PWRPIN, LOW);
 100         System.sleep(SLEEP_MODE_DEEP, SLEEP_TIME);
 101 }
 102