3 #include "TimingSingleton.h"
4 #include "TransactionStatus.h"
7 SYSTEM_MODE(SEMI_AUTOMATIC)
12 #define DHTPIN 2 // Data pin
13 #define PWRPIN D5 // Power pin
14 #define ERRPIN D7 // Error pin
15 #define DHTTYPE DHT22 // DHT 22 (AM2302)
17 #define SLEEP_TIME 15 // Sleep time in seconds
18 #define RETRY_SLEEP_TIME 5 // Sleep time in seconds
19 #define RETRY_TIME 10000 // stop trying after 10 seconds
20 #define CONNECTION_DELAY 2100000 // Need to delay after connecting WiFi to wait for sensor
22 // Initialize DHT sensor for normal 16mhz Arduino
23 DHT dht(DHTPIN, DHTTYPE);
28 MyVector<TransactionStatus *> * transStatusList;
36 // 1) Before running PHOTON's with this firmware,
37 // please go to the master branch and run Init.C
38 // in iotcloud/version2/src/C to initialize
39 // a table on the cloud side.
40 // If you want to read the committed keys and values
41 // on the cloud, then you can use Read.java in
42 // iotcloud/version2/src/java/simple_test.
43 // 2) If you want to use the Serial library,
44 // please install "screen" on your machine and run
45 // it on the serial port right after flashing the
46 // firmware onto the Particle board.
47 // e.g. sudo screen /dev/ttyACM0
49 // We use one I/O pin to power the sensor so
50 // that we can make it go to sleep when we go into
55 //Serial.print("Time begin setup: ");
56 //Serial.println(micros());
58 pinMode(PWRPIN, OUTPUT);
59 digitalWrite(PWRPIN, HIGH);
62 // Connect to WiFi and Particle cloud
63 // Wait for a maximum amount of time - sleep if WiFi is not connected
64 // Wake up and try again afterwards
65 // TODO: either use this or just WiFi connection (below)
67 //if (!waitFor(Particle.connected, RETRY_TIME))
68 // System.sleep(SLEEP_MODE_DEEP, RETRY_SLEEP_TIME);
70 // Connect only to WiFi
73 if (!waitFor(WiFi.ready, RETRY_TIME))
74 System.sleep(SLEEP_MODE_DEEP, RETRY_SLEEP_TIME);
75 while(!WiFi.localIP()); // Wait for valid IP
76 // Add delay if needed (for the humidity sensor we need ~2s delay)
77 // Delays are in millis but micros() returns microsecond time
78 if (micros() < CONNECTION_DELAY)
79 delay((CONNECTION_DELAY - micros())/1000);
81 // TODO: Profiling WiFi
82 //Serial.println(micros());
85 // Prepare device key from MAC (just last 2 of 6 digits)
89 // TODO: Uncomment the following block to print MAC
90 //for (int i=0; i<6; i++) {
91 // Serial.printf("%02x%s", mac[i], i != 5 ? ":" : "");
95 int64_t mac4 = (int64_t) mac[4];
96 int64_t mac5 = (int64_t) mac[5];
97 machineId = (mac4 * 256) + mac5;
98 //machineId = (int64_t) mac[5]; // Shorter version of machine ID
101 //foundError = false;
102 //transStatusList = new MyVector<TransactionStatus *>();
103 IoTString *baseurl = new IoTString("http://dc-6.calit2.uci.edu/test.iotcloud/");
104 IoTString *password = new IoTString("reallysecret");
106 //Serial.print("Time begin rebuilding table: ");
107 //Serial.println(micros());
109 t1 = new Table(baseurl, password, machineId, -1);
112 baseurl->releaseRef();
113 password->releaseRef();
115 //Serial.print("Time end setup: ");
116 //Serial.println(micros());
120 // Wait until sensor is ready
123 //Serial.print("Time begin loop: ");
124 //Serial.println(micros());
126 float humid = dht.readHumidity();
127 // Read temperature as Fahrenheit
128 float tempF = dht.readTemperature(true);
129 // Check if any reads failed and exit early (to try again).
130 if (isnan(humid) || isnan(tempF))
133 // TODO: Update values separately to different keys
137 sprintf(keyBuffer, "h%04x", machineId);
138 IoTString * iKeyHumid = new IoTString(keyBuffer);
139 // Do updates for the humidity
140 sprintf(dataBuffer, "%0.2f", humid);
141 IoTString * iValueHumid = new IoTString(dataBuffer);
143 // Check and create a new key if it isn't created yet
144 t1->createNewKey(iKeyHumid, machineId);
145 t1->startTransaction();
146 t1->put(iKeyHumid, iValueHumid);
147 transStatusList->add(t1->commitTransaction());
151 sprintf(keyBuffer, "t%04x", machineId);
152 IoTString * iKeyTempF = new IoTString(keyBuffer);
153 // Do updates for the temperature
154 sprintf(dataBuffer, "%0.2f", tempF);
155 IoTString * iValueTempF = new IoTString(dataBuffer);
157 // Check and create a new key if it isn't created yet
158 t1->createNewKey(iKeyTempF, machineId);
159 t1->startTransaction();
160 t1->put(iKeyTempF, iValueTempF);
161 transStatusList->add(t1->commitTransaction());
164 iKeyHumid->releaseRef();
165 iValueHumid->releaseRef();
166 iKeyTempF->releaseRef();
167 iValueTempF->releaseRef();
170 // TODO: Collapse temperature and humidity into one key
171 sprintf(keyBuffer, "humtemp%04x", machineId);
172 IoTString * iKey = new IoTString(keyBuffer);
173 // Do updates for the temperature
174 sprintf(dataBuffer, "%0.2f-%0.2f", humid, tempF);
175 IoTString * iValue = new IoTString(dataBuffer);
177 t1->createNewKey(iKey, machineId);
178 t1->startTransaction();
179 t1->put(iKey, iValue);
180 transStatusList->add(t1->commitTransaction());
183 iValue->releaseRef();
185 /*for (uint i = 0; i < transStatusList->size(); i++) {
186 TransactionStatus * status = transStatusList->get(i);
187 if (status->getStatus() != TransactionStatus_StatusCommitted) {
189 digitalWrite(ERRPIN, HIGH); // Turn on LED upon error
195 digitalWrite(PWRPIN, LOW);
198 //Serial.print("Elapsed time: ");
199 //Serial.println(micros());
202 System.sleep(SLEEP_MODE_DEEP, SLEEP_TIME);