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Added WiFi examples
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‎examples/WiFiDatastreamDownload/WiFiDatastreamDownload.ino

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#include <SPI.h>
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#include <WiFi.h>
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#include <HttpClient.h>
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#include <Cosm.h>
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char ssid[] = "YourNetwork"; // your network SSID (name)
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char pass[] = "password"; // your network password (use for WPA, or use as key for WEP)
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int keyIndex = 0; // your network key Index number (needed only for WEP)
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int status = WL_IDLE_STATUS;
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// Your Cosm key to let you upload data
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char cosmKey[] = "YOUR_COSM_API_KEY";
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// Define the string for our datastream ID
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char temperatureId[] = "temperature";
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CosmDatastream datastreams[] = {
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CosmDatastream(temperatureId, strlen(temperatureId), DATASTREAM_FLOAT),
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};
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// Finally, wrap the datastreams into a feed
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CosmFeed feed(15552, datastreams, 1 /* number of datastreams */);
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WiFiClient client;
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CosmClient cosmclient(client);
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void setup() {
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// put your setup code here, to run once:
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Serial.begin(9600);
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Serial.println("Reading from Cosm example");
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Serial.println();
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// attempt to connect to Wifi network:
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while ( status != WL_CONNECTED) {
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Serial.print("Attempting to connect to SSID: ");
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Serial.println(ssid);
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status = WiFi.begin(ssid, pass);
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// wait 10 seconds for connection:
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delay(10000);
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}
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Serial.println("Connected to wifi");
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printWifiStatus();
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}
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void loop() {
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int ret = cosmclient.get(feed, cosmKey);
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Serial.print("cosmclient.get returned ");
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Serial.println(ret);
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Serial.println("Datastream is...");
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Serial.println(feed[0]);
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Serial.print("Temperature is: ");
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Serial.println(feed[0].getFloat());
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Serial.println();
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delay(15000UL);
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}
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void printWifiStatus() {
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// print the SSID of the network you're attached to:
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Serial.print("SSID: ");
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Serial.println(WiFi.SSID());
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// print your WiFi shield's IP address:
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IPAddress ip = WiFi.localIP();
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Serial.print("IP Address: ");
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Serial.println(ip);
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// print the received signal strength:
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long rssi = WiFi.RSSI();
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Serial.print("signal strength (RSSI):");
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Serial.print(rssi);
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Serial.println(" dBm");
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}
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‎examples/WiFiDatastreamUpload/WiFiDatastreamUpload.ino

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#include <SPI.h>
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#include <WiFi.h>
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#include <HttpClient.h>
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#include <Cosm.h>
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char ssid[] = "YourNetwork"; // your network SSID (name)
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char pass[] = "password"; // your network password (use for WPA, or use as key for WEP)
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int keyIndex = 0; // your network key Index number (needed only for WEP)
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int status = WL_IDLE_STATUS;
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// Your Cosm key to let you upload data
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char cosmKey[] = "YOUR_API_KEY";
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// Analog pin which we're monitoring (0 and 1 are used by the Ethernet shield)
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int sensorPin = 2;
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// Define the strings for our datastream IDs
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char sensorId[] = "sensor_reading";
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CosmDatastream datastreams[] = {
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CosmDatastream(sensorId, strlen(sensorId), DATASTREAM_FLOAT),
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};
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// Finally, wrap the datastreams into a feed
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CosmFeed feed(15552, datastreams, 1 /* number of datastreams */);
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WiFiClient client;
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CosmClient cosmclient(client);
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void setup() {
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// put your setup code here, to run once:
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Serial.begin(9600);
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Serial.println("Starting single datastream upload to Cosm...");
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Serial.println();
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// attempt to connect to Wifi network:
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while ( status != WL_CONNECTED) {
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Serial.print("Attempting to connect to SSID: ");
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Serial.println(ssid);
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status = WiFi.begin(ssid, pass);
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// wait 10 seconds for connection:
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delay(10000);
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}
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Serial.println("Connected to wifi");
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printWifiStatus();
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}
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void loop() {
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int sensorValue = analogRead(sensorPin);
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datastreams[0].setFloat(sensorValue);
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Serial.print("Read sensor value ");
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Serial.println(datastreams[0].getFloat());
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Serial.println("Uploading it to Cosm");
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int ret = cosmclient.put(feed, cosmKey);
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Serial.print("cosmclient.put returned ");
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Serial.println(ret);
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Serial.println();
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delay(15000);
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}
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void printWifiStatus() {
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// print the SSID of the network you're attached to:
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Serial.print("SSID: ");
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Serial.println(WiFi.SSID());
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// print your WiFi shield's IP address:
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IPAddress ip = WiFi.localIP();
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Serial.print("IP Address: ");
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Serial.println(ip);
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// print the received signal strength:
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long rssi = WiFi.RSSI();
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Serial.print("signal strength (RSSI):");
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Serial.print(rssi);
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Serial.println(" dBm");
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}
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‎examples/WiFiMultipleDatastreamsUpload/WiFiMultipleDatastreamsUpload.ino

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#include <SPI.h>
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#include <WiFi.h>
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#include <HttpClient.h>
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#include <Cosm.h>
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char ssid[] = "YourNetwork"; // your network SSID (name)
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char pass[] = "password"; // your network password (use for WPA, or use as key for WEP)
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int keyIndex = 0; // your network key Index number (needed only for WEP)
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int status = WL_IDLE_STATUS;
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// Your Cosm key to let you upload data
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char cosmKey[] = "YOUR_API_KEY";
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// Analog pin which we're monitoring (0 and 1 are used by the Ethernet shield)
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int sensorPin = 2;
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// Define the strings for our datastream IDs
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char sensorId[] = "sensor_reading";
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char bufferId[] = "info_message";
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String stringId("random_string");
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const int bufferSize = 140;
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char bufferValue[bufferSize]; // enough space to store the string we're going to send
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CosmDatastream datastreams[] = {
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CosmDatastream(sensorId, strlen(sensorId), DATASTREAM_FLOAT),
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CosmDatastream(bufferId, strlen(bufferId), DATASTREAM_BUFFER, bufferValue, bufferSize),
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CosmDatastream(stringId, DATASTREAM_STRING)
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};
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// Finally, wrap the datastreams into a feed
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CosmFeed feed(15552, datastreams, 3 /* number of datastreams */);
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WiFiClient client;
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CosmClient cosmclient(client);
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void setup() {
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// put your setup code here, to run once:
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Serial.begin(9600);
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Serial.println("Starting multiple datastream upload to Cosm...");
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Serial.println();
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// attempt to connect to Wifi network:
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while ( status != WL_CONNECTED) {
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Serial.print("Attempting to connect to SSID: ");
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Serial.println(ssid);
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status = WiFi.begin(ssid, pass);
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// wait 10 seconds for connection:
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delay(10000);
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}
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Serial.println("Connected to wifi");
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printWifiStatus();
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}
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void loop() {
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int sensorValue = analogRead(sensorPin);
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datastreams[0].setFloat(sensorValue);
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Serial.print("Read sensor value ");
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Serial.println(datastreams[0].getFloat());
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datastreams[1].setBuffer("a message to upload");
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Serial.print("Setting buffer value to:\n ");
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Serial.println(datastreams[1].getBuffer());
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// Pick a random number to send up in a string
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String stringValue(random(100));
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stringValue += " is a random number";
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datastreams[2].setString(stringValue);
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Serial.print("Setting string value to:\n ");
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Serial.println(datastreams[2].getString());
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Serial.println("Uploading it to Cosm");
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int ret = cosmclient.put(feed, cosmKey);
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Serial.print("cosmclient.put returned ");
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Serial.println(ret);
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Serial.println();
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delay(15000);
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}
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void printWifiStatus() {
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// print the SSID of the network you're attached to:
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Serial.print("SSID: ");
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Serial.println(WiFi.SSID());
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// print your WiFi shield's IP address:
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IPAddress ip = WiFi.localIP();
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Serial.print("IP Address: ");
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Serial.println(ip);
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// print the received signal strength:
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long rssi = WiFi.RSSI();
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Serial.print("signal strength (RSSI):");
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Serial.print(rssi);
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Serial.println(" dBm");
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}
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