zhaoxin/rpi_sense_hat_server
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赵鑫 2022-09-01 23:40:23 +08:00
parent d3abe2eeda
commit 444e466762
4 changed files with 58 additions and 2 deletions
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14
package-lock.json generated
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@ -9,6 +9,7 @@
"license": "MIT",
"dependencies": {
"cron": "^2.1.0",
"dotenv": "^16.0.2",
"easyimage": "^3.1.1",
"express": "^4.18.1",
"multer": "^1.4.5-lts.1",
@ -424,6 +425,14 @@
"npm": "1.2.8000 || >= 1.4.16"
}
},
"node_modules/dotenv": {
"version": "16.0.2",
"resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.0.2.tgz",
"integrity": "sha512-JvpYKUmzQhYoIFgK2MOnF3bciIZoItIIoryihy0rIA+H4Jy0FmgyKYAHCTN98P5ybGSJcIFbh6QKeJdtZd1qhA==",
"engines": {
"node": ">=12"
}
},
"node_modules/easyimage": {
"version": "3.1.1",
"resolved": "https://registry.npmjs.org/easyimage/-/easyimage-3.1.1.tgz",
@ -2186,6 +2195,11 @@
"resolved": "https://registry.npmjs.org/destroy/-/destroy-1.2.0.tgz",
"integrity": "sha512-2sJGJTaXIIaR1w4iJSNoN0hnMY7Gpc/n8D4qSCJw8QqFWXf7cuAgnEHxBpweaVcPevC2l3KpjYCx3NypQQgaJg=="
},
"dotenv": {
"version": "16.0.2",
"resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.0.2.tgz",
"integrity": "sha512-JvpYKUmzQhYoIFgK2MOnF3bciIZoItIIoryihy0rIA+H4Jy0FmgyKYAHCTN98P5ybGSJcIFbh6QKeJdtZd1qhA=="
},
"easyimage": {
"version": "3.1.1",
"resolved": "https://registry.npmjs.org/easyimage/-/easyimage-3.1.1.tgz",

1
package.json
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@ -16,6 +16,7 @@
"license": "MIT",
"dependencies": {
"cron": "^2.1.0",
"dotenv": "^16.0.2",
"easyimage": "^3.1.1",
"express": "^4.18.1",
"multer": "^1.4.5-lts.1",

9
public/index.html
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@ -136,6 +136,7 @@
<button onclick="client.emit('action', {action:'flash'})">flash</button>
<br>
<button onclick="client.emit('action', {action:'temp'})">temp</button>
<div id="rpis"></div>
<script src="socket.io/socket.io.js"></script>
<script>
@ -155,6 +156,14 @@
}
}
})
client.on('data', (data) => {
rpis.innerHTML = ''
data.forEach(rpi => {
const p = document.createElement('p')
p.innerHTML = `hostname: ${rpi.hostname}<br>cpu load: ${rpi.cpu.load}<br>cpu temperature: ${rpi.cpu.temperature}<br>memory total: ${rpi.memory.total}<br>memory available: ${rpi.memory.available}`
rpis.appendChild(p)
})
})
</script>
</body>

36
sensehat.js
View File

@ -1,12 +1,15 @@
require('dotenv').config()
const port = process.env.PORT || 3000
const express = require('express')
const socketio = require('socket.io')
const CronJob = require('cron').CronJob
const request = require('request')
const sense = require('sense-hat-led').sync
const app = express()
const server = app.listen(3000, '0.0.0.0', () => console.log('server is running'))
const server = app.listen(port, '0.0.0.0', () => console.log(`server is running on port ${port}`))
const io = socketio(server)
app.use(express.static('public'))
sense.clear()
sense.setRotation(180)
sense.lowLight = true
@ -22,7 +25,6 @@ const leds = [
[0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0],
]
read_all_leds(0)
io.emit('leds', leds)
let zhao_server_errors = 0
@ -52,6 +54,24 @@ const job = new CronJob(
true
)
// const rpistatus = new CronJob(
// '*/5 * * * * *',
// async () => {
// request('http://zhao:4000', (err, res, body) => {
// if (res.statusCode == 200) {
// io.emit('data', body)
// }
// })
// request('http://pi:4000', (err, res, body) => {
// if (res.statusCode == 200) {
// io.emit('data', body)
// }
// })
// },
// null,
// true
// )
io.on('connection', (client) => {
client.emit('leds', leds)
client.on('action', ({ action, x, y }) => {
@ -81,6 +101,7 @@ io.on('connection', (client) => {
break
case 'temp':
read_all_leds()
get_rpis_info()
break
default:
break
@ -97,3 +118,14 @@ function read_all_leds(value = null) {
}
}
}
async function get_rpis_info() {
const rpis = []
request('http://zhao:4000', (err, res, body) => {
if (res.statusCode == 200) rpis.push(JSON.parse(body))
request('http://pi:4000', (err, res, body) => {
if (res.statusCode == 200) rpis.push(JSON.parse(body))
io.emit('data', rpis)
})
})
}