zhaoxin/rpi_sense_hat_server
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赵鑫 2022-09-05 09:22:27 +08:00
parent cba7264af5
commit caf99e7cf4
1 changed files with 27 additions and 20 deletions
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47
server.js
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@ -1,39 +1,46 @@
require('dotenv').config()
// const socketio = require('socket.io')
const sense = require('sense-hat-led').sync
require('dotenv').config() // 读取系统环境变量
// HTTP 请求路由
const app = require('express')()
app.get('/', (req, res) => res.sendStatus(200))
// 服务器启动
const port = process.env.PORT || 3000
const host = process.env.HOST || 'localhost'
const server = app.listen(port, host, () => {
console.log(`rpi sense hat server is running at http://${host}:${port}`)
})
const io = require('socket.io')(server, { cors: { origin: '*' } })
// Sense HAT 全局数据 及 初始化
const R = [255, 0, 0]
const G = [0, 255, 0]
const B = [0, 0, 255]
const X = [0, 0, 0]
const Y = [255, 255, 0]
const P = [255, 0, 255]
const C = [0, 255, 255]
const O = [255, 255, 255]
const _ = [0, 0, 0]
const sensehat = {
led: require('sense-hat-led').sync,
leds: [
O, O, O, O, O, O, O, O,
O, X, X, X, X, X, X, O,
O, X, X, X, X, X, X, O,
O, X, X, X, X, X, X, O,
O, X, X, X, X, X, X, O,
O, X, X, X, X, X, X, O,
O, X, X, X, X, X, X, O,
R, O, O, O, O, O, O, O,
O, _, _, _, _, _, _, O,
O, _, _, _, _, _, _, O,
O, _, _, _, _, _, _, O,
O, _, _, _, _, _, _, O,
O, _, _, _, _, _, _, O,
O, _, _, _, _, _, _, O,
O, O, O, O, O, O, O, O,
]
}
// Sense HAT 初始化
sense.lowLight = true
sense.setRotation(180)
sense.clear([0, 0, 0])
sense.setPixels(sensehat.leds)
sensehat.led.clear()
sensehat.led.setRotation(0)
sensehat.led.lowLight = true
sensehat.led.setPixels(sensehat.leds)
// socketio 服务
const io = require('socket.io')(server, { cors: { origin: '*' } })
io.on('connection', (client) => {
console.log(`client conncted: ${client.id}`)
client.on('operation', ({ action }) => {
@ -53,11 +60,11 @@ io.on('connection', (client) => {
// read_all_leds(0)
// break
case 'flash':
sense.clear(O)
setTimeout(sense.clear, 200)
sensehat.led.clear(O)
setTimeout(sensehat.led.clear, 200)
break
case 'clear':
sense.clear()
sensehat.led.clear()
break
default:
break