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Add voltage/temp display and voltage checking

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This commit is contained in:
Adam Goldsmith 2018-07-11 21:17:57 -04:00
parent b602a1e314
commit aa9a676806
1 changed files with 25 additions and 2 deletions
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27
client.js
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@ -3,6 +3,7 @@ let stations = {};
let messages = []; let messages = [];
const timeoutLength = 20 * 60 * 1000; // 20 Minutes const timeoutLength = 20 * 60 * 1000; // 20 Minutes
const lowVoltage = 11.9;
Notification.requestPermission(permission => { Notification.requestPermission(permission => {
if (permission === "granted") { if (permission === "granted") {
@ -15,7 +16,9 @@ function redrawTable() {
table.innerHTML = table.innerHTML =
`<tr><th>Callsign</th>` + `<tr><th>Callsign</th>` +
`<th>Last Heard</th>` + `<th>Last Heard</th>` +
`<th>Time since Last Heard</th>`; `<th>Time since Last Heard</th>` +
`<th>Last Voltage</th>` +
`<th>Last Temperature</th>`;
for (let callsign in stations) { for (let callsign in stations) {
let station = stations[callsign]; let station = stations[callsign];
let nowDelta = new Date(new Date() - station.lastHeard); let nowDelta = new Date(new Date() - station.lastHeard);
@ -24,10 +27,16 @@ function redrawTable() {
if (nowDelta.getTime() > timeoutLength) { if (nowDelta.getTime() > timeoutLength) {
tr.classList.add('timedOut'); tr.classList.add('timedOut');
} }
if (station.lastVoltage < lowVoltage) {
tr.classList.add('lowVoltage');
}
tr.innerHTML = tr.innerHTML =
`<td>${callsign}</td>` + `<td>${callsign}</td>` +
`<td>${station.lastHeard.toLocaleTimeString('en-GB')}</td>` + `<td>${station.lastHeard.toLocaleTimeString('en-GB')}</td>` +
`<td>${nowDelta.toLocaleTimeString('en-GB', {timeZone: "UTC"})}</td>`; `<td>${nowDelta.toLocaleTimeString('en-GB', {timeZone: "UTC"})}</td>` +
`<td>${station.lastVoltage||''}</td>` +
`<td>${station.lastTemperature||''}</td>`;
} }
} }
@ -36,6 +45,11 @@ function alertNotHeard(callsign) {
{body: `Last Heard: ${stations[callsign].lastHeard.toLocaleTimeString('en-GB')}`}); {body: `Last Heard: ${stations[callsign].lastHeard.toLocaleTimeString('en-GB')}`});
} }
function alertVoltage(callsign) {
new Notification(`${callsign}'s battery has dropepd below ${lowVoltage}V`,
{body: `Voltage: ${stations[callsign].lastVoltage}`});
}
let aprsStream = new WebSocket("ws://localhost:1234"); let aprsStream = new WebSocket("ws://localhost:1234");
aprsStream.onmessage = function(event) { aprsStream.onmessage = function(event) {
let message = JSON.parse(event.data); let message = JSON.parse(event.data);
@ -59,6 +73,15 @@ aprsStream.onmessage = function(event) {
stations[callsign].timeout = window.setTimeout( stations[callsign].timeout = window.setTimeout(
alertNotHeard, timeoutLength, callsign); alertNotHeard, timeoutLength, callsign);
if ('data' in message && 'analog' in message.data) {
stations[callsign].lastVoltage = message.data.analog[0] / 10;
stations[callsign].lastTemperature = message.data.analog[1];
if (stations[callsign].lastVoltage <= lowVoltage) {
alertVoltage(callsign);
}
}
redrawTable(); redrawTable();
}; };