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Updated TemperatureWebPanel

This commit is contained in:
tigoe 2013-07-06 08:10:13 -04:00
parent 41f1be5fc7
commit c777b5c76b
2 changed files with 30 additions and 6 deletions
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32
hardware/arduino/avr/libraries/Bridge/examples/TemperatureWebPanel/TemperatureWebPanel.ino
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@ -2,7 +2,7 @@
Temperature web interface
This example shows how to serve data from an analog input
via the Arduino Yún's built-in webserver using the Bridge library.
via the Arduino Yún's built-in webserver using the Bridge library.
The circuit:
* TMP36 temperature sensor on analog pin A1
@ -26,7 +26,7 @@ via the Arduino Yún's built-in webserver using the Bridge library.
created 6 July 2013
by Tom Igoe
This example code is in the public domain.
@ -37,6 +37,7 @@ via the Arduino Yún's built-in webserver using the Bridge library.
// Listen on default port 5555, the webserver on the Yun
// will forward there all the HTTP requests for us.
YunServer server;
String startString;
void setup() {
Serial.begin(9600);
@ -57,6 +58,14 @@ void setup() {
// (no one from the external network could connect)
server.listenOnLocalhost();
server.begin();
// get the time that this sketch started:
Process startTime;
startTime.runShellCommand("date");
while(startTime.available()) {
char c = startTime.read();
startString += c;
}
}
void loop() {
@ -71,16 +80,29 @@ void loop() {
Serial.println(command);
// is "temperature" command?
if (command == "temperature") {
// get the time from the server:
Process time;
time.runShellCommand("date");
String timeString = "";
while(time.available()) {
char c = time.read();
timeString += c;
}
Serial.println(timeString);
int sensorValue = analogRead(A1);
// convert the reading to millivolts:
float voltage = sensorValue * (5000/ 1024);
// convert the millivolts to temperature celsius:
float temperature = (voltage - 500)/10;
// print the temperature:
client.print("Current temperature: ");
client.print("Current time on the Yún: ");
client.println(timeString);
client.print("<br>Current temperature: ");
client.print(temperature);
client.print(" degrees C");
client.print("<br>This sketch has been running since ");
client.print(startString);
}
// Close connection and free resources.
@ -90,3 +112,5 @@ void loop() {
delay(50); // Poll every 50ms
}

4
hardware/arduino/avr/libraries/Bridge/examples/TemperatureWebPanel/index.html
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@ -4,13 +4,13 @@
<script type="text/javascript" src="zepto.min.js"></script>
<script type="text/javascript">
function refresh() {
$('#content').load('/arduino/avr/temperature');
$('#content').load('/arduino/temperature');
}
</script>
</head>
<body onload="setInterval(refresh, 1000);">
Analog 0: <span id="content">0</span>
<span id="content">0</span>
</body>
</html>