122 lines
3.3 KiB
JavaScript
122 lines
3.3 KiB
JavaScript
require('dotenv').config() // 读取系统环境变量
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// HTTP 请求路由
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const app = require('express')()
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app.get('/', (req, res) => res.sendStatus(200))
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// 服务器启动
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const port = process.env.PORT || 3000
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const host = process.env.HOST || 'localhost'
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const server = app.listen(port, host, () => {
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console.log(`rpi sense hat server is running at http://${host}:${port}`)
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})
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// Sense HAT 全局数据 及 初始化
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const R = [255, 0, 0]
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const G = [0, 255, 0]
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const B = [0, 0, 255]
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const Y = [255, 255, 0]
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const P = [255, 0, 255]
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const C = [0, 255, 255]
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const O = [255, 255, 255]
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const _ = [0, 0, 0]
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const sensehat = {
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led: require('sense-hat-led').sync,
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leds: [
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R, O, O, O, O, O, O, O,
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O, _, _, _, _, _, _, O,
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O, _, _, _, _, _, _, O,
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O, _, _, _, _, _, _, O,
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O, _, _, _, _, _, _, O,
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O, _, _, _, _, _, _, O,
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O, _, _, _, _, _, _, O,
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O, O, O, O, O, O, O, O,
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]
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}
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sensehat.led.clear()
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sensehat.led.setRotation(0)
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sensehat.led.lowLight = true
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sensehat.led.setPixels(sensehat.leds)
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// socketio 服务
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const io = require('socket.io')(server, { cors: { origin: '*' } })
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io.on('connection', (client) => {
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console.log(`client conncted: ${client.id}`)
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client.on('operation', ({ action }) => {
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switch (action) {
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// case 'on':
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// sense.setPixel(Number(x), Number(y), color_blue)
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// leds[y][x] = 1
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// break
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// case 'off':
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// sense.setPixel(Number(x), Number(y), [0, 0, 0])
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// leds[y][x] = 0
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// break
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// case 'hello':
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// sense.flashMessage('HELLO', 1, color_blue)
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// sense.clear()
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// read_all_leds(0)
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// break
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case 'flash':
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sensehat.led.clear(O)
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setTimeout(sensehat.led.clear, 200)
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break
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case 'clear':
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sensehat.led.clear()
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break
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default:
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break
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}
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})
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})
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// io.on('connection', (client) => {
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// client.emit('leds', leds)
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// client.on('action', ({ action, x, y }) => {
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// console.log({ action, x, y })
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// switch (action) {
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// case 'on':
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// sense.setPixel(Number(x), Number(y), color_blue)
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// leds[y][x] = 1
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// break
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// case 'off':
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// sense.setPixel(Number(x), Number(y), [0, 0, 0])
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// leds[y][x] = 0
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// break
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// case 'hello':
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// sense.flashMessage('HELLO', 1, color_blue)
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// sense.clear()
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// read_all_leds(0)
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// break
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// case 'flash':
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// sense.clear([255, 255, 255])
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// setTimeout(sense.clear, 100)
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// read_all_leds(0)
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// break
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// case 'clear':
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// sense.clear()
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// read_all_leds(0)
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// break
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// case 'temp':
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// read_all_leds()
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// get_rpis_info()
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// break
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// default:
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// break
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// }
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// io.emit('leds', leds)
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// })
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// })
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// function read_all_leds(value = null) {
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// const pixels = sense.getPixels()
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// for (let y = 0; y < 8; y++) {
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// for (let x = 0; x < 8; x++) {
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// leds[y][x] = value !== null ? value : sense.getPixel(x, y)[2] == 0 ? 0 : 1
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// }
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// }
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// }
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