Scheduling Tasks on a Particle Argon From a Webpage
by tristenclifton in Circuits > Electronics
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Scheduling Tasks on a Particle Argon From a Webpage
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In this guide i will show you how to schedule tasks on the Particle Argon device from a webpage
Supplies
Particle Argon and your choice of IDE for HTML and JavaScript
Getting Your Key
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The first step is to generate a new token for the purpose authenticating yourself when making use of the particle API
There is good documentation on particles website for the creation of an access token
https://docs.particle.io/reference/cloud-apis/authentication/
https://docs.particle.io/reference/developer-tools/cli/#particle-token-create
the gist of it is you need to run the command
particle token create --never-expires
in your particle console to create a key
it will look something like
1eae8755bac11dcea2cddbc2################ (hashed out for security reasons)
Particle Code
//Define Varibles
int outputPin = D7;
String monStart = "01:00";
String monFinish = "02:00";
bool running = false;
void setup() {
//Set pin 7 to be our output pin, this will be set to ON during the time on our schedule
pinMode(outputPin, OUTPUT);
//Expose start and finish time of monday so we can read them on our webpage
Particle.variable("monStart",monStart);
Particle.variable("monFinish",monFinish);
//create function to update varibles for each start time
Particle.function("UpdateMonStart",UpdateMonStart);
Particle.function("UpdatemonFinish",updateMonFinish);
}
//this function is called to update the start time
int UpdatemonStart(String Command){
monStart = Command;
return 1;
}
//tis function is called to update the finish time
int UpdatemonFinish(String Command){
monFinish = Command;
return 1;
}
void loop() {
//use the time function to get the values of the current time
int currentMinute = Time.minute();
// returns 0-59
int currentHour = Time.hour();
//returns 0-23
int currentWeekDay = Time.weekday();
//returns 1-7 with 1 being sunday
//check to see if it is not running
//if it is check if it is time yet or not to turn on pin 7
if(!running){
if(currentWeekDay == 2){
//our command comes in the form of a string which we need to convert into int so we can compare it
int startHour = monStart.substring(0,2).toInt();
int StartMinute = monStart.substring(3,5).toInt();
if(startHour = currentHour and StartMinute <= currentMinute){
running = true;
}
}
//check to see if it is running
//if it is check if it is time yet or not to turn off pin 7
if(running){
if(currentWeekDay == 2){
int finishHour = monFinish.substring(0,2).toInt();
int finishMinute = monFinish.substring(3,5).toInt();
if(finishHour = currentHour and finishMinute <= currentMinute){
running = false;
}
}
//If running is true, Power on the device
if(running){
digitalWrite(led1, HIGH);
}
else{
digitalWrite(led1, LOW);
}
delay(1000);
}
Now Flash the code to the device
Test Functionality on the Web
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Head over to your device on the particle console, From here you can test if you can get your devices variables as well as write to them
HTML Code
<html>
<head>
<!-- StyleScript to make our table fancy -->
<style>
table,
th,
td {
border: 1px solid black;
}
</style>
<!-- Needed to use the API -->
<script src="https://cdn.jsdelivr.net/npm/particle-api-js@8/dist/particle.min.js"></script>
<!-- Embeeded javascript to communicate between the webpage and the device -->
<script type="text/javascript">
//This is not considered secure if exposed to the web, local use is fine
const accessToken = '<------YOUR TOKEN HERE----->';
const deviceId = '<---YOUR PARTICLE ARGON DEVICE NAME HERE---->';
var particle = new Particle();
//This is the function used to get varibles from the Particle ARgon
function GetValues() {
particle.getVariable({
deviceId: deviceId,
name: "monStart",
auth: accessToken
}).then(
function(data) {
//we use the varibles we recive from the particle device and store them in the webpage so the user can see them
document.getElementById("monStart").value = data.body.result;
//update the status so the user knows the device is working as intended
document.getElementById("statusSpan").innerHTML = 'Updated';
},
function(err) {
document.getElementById("statusSpan").innerHTML = 'Error calling device: ' + err;
});
particle.getVariable({
deviceId: deviceId,
name: "monFinish",
auth: accessToken
}).then(
function(data) {
//store data.body.result in the table on the webpage
document.getElementById("monFinish").value = data.body.result;
document.getElementById("statusSpan").innerHTML = 'Updated';
},
function(err) {
document.getElementById("statusSpan").innerHTML = 'Error calling device: ' + err;
});
}
//we call this function to update values on the device
function SetValues() {
//we take the value in the mon-start time entry field and send the value to the device using our "UpdateMonStart"
//function passing the time as a paramiter to the function Note- you can only send strings as paramiters
cmd = document.getElementById("monStart").value
particle.callFunction({
deviceId,
name: 'UpdateMonStart',
argument: cmd,
auth: accessToken
}).then(
function(data) {
document.getElementById("statusSpan").innerHTML = 'Sent';
},
function(err) {
document.getElementById("statusSpan").innerHTML = 'Error calling device: ' + err;
});
cmd = document.getElementById("monFinish").value
particle.callFunction({
deviceId,
name: 'UpdateMonFinish',
argument: cmd,
auth: accessToken
}).then(
function(data) {
document.getElementById("statusSpan").innerHTML = 'Sent';
},
function(err) {
document.getElementById("statusSpan").innerHTML = 'Error calling device: ' + err;
});
}
</script>
</head>
<body>
<div id="mainDiv">
<h3>Device Status:</h3>
<!-- Displays status of sent command -->
<p><span id="statusSpan"></span></p>
<table>
<tr>
<th>Monday</th>
</tr>
<tr>
<!-- Time Entry form, in my experience it works best on phone and EDGE-->
<td>Mon Start:
<input type="time" id="monStart" name="monStart" required>
</td>
</tr>
<tr>
<td>Mon Finish:
<input type="time" id="monFinish" name="monFinish" required>
</td>
</table>
<!-- These buttons call the functions to either update the webpage or the device -->
<p>Press button get timetable from device</p>
<button id="updateTimeTableButton" onclick="GetValues()">Update Schedule</button>
<p>Press button update on device</p>
<button id="updateTimeTableButton" onclick="SetValues()">Update Schedule</button>
</body>
</html>
using your choice of IDE or even notepad, Save this as a .htm or .html file make sure to update the device name and the access token in order to work with your device
Test Functionality
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Now open the file and test out the two buttons
The Rest Is Up to You
With this heads start you should be able to create a full weekly time table and therefor be able to schedule your particle argon trigger an event at a given time each day, this would be perfect for something like a sprinkler system ;)
Acknowledgment
This was part of my assignment at Deakin University, School of IT, Unit SIT210 - Embedded Systems Development
Feel Free to use my code as i rewrote a large percentage of it to improve its ledge-ability as a guide rather than just posting my project online.