64 lines
1.5 KiB
JavaScript
64 lines
1.5 KiB
JavaScript
const bleno = require('bleno')
|
|
const config = require('./config.json')
|
|
const localEvent = require('./localEvent')
|
|
|
|
var tmp = []
|
|
|
|
const notifyDesciptor = new bleno.Descriptor({
|
|
uuid: '8888',
|
|
value: 0
|
|
})
|
|
|
|
class DataCharacteristic extends bleno.Characteristic {
|
|
constructor() {
|
|
super({
|
|
uuid: config.uuid.service.func.data,
|
|
properties: ['write', 'writeWithoutResponse', 'notify'],
|
|
descriptors: [
|
|
notifyDesciptor
|
|
]
|
|
})
|
|
this._notifyFunc = null
|
|
}
|
|
|
|
onWriteRequest(data, offset, withoutResponse, callback) {
|
|
console.log(`offset :: ${offset} , withoutRes :: ${withoutResponse}`)
|
|
console.log(`get data`, data)
|
|
|
|
if (data.length == 1 && data[0] == 0x00) {
|
|
tmp = []
|
|
console.log(data[0])
|
|
} else if (data.length == 1 && data[0] == 0xff) {
|
|
//console.log(tmp)
|
|
console.log(Buffer.from(tmp).toString())
|
|
localEvent.emit('print', Buffer.from(tmp).toString())
|
|
// printString(Buffer.from(tmp).toString())
|
|
// if(this._notifyFunc) {
|
|
// this._notifyFunc(Buffer.from([0x00,0x01]))
|
|
// }
|
|
} else {
|
|
tmp = [...tmp, ...data.slice(2, data.length)]
|
|
}
|
|
if (!withoutResponse) {
|
|
console.log('send response')
|
|
callback(this.RESULT_SUCCESS)
|
|
}
|
|
}
|
|
|
|
sendNotidy(str) {
|
|
if (!this._notifyFunc) return
|
|
this._notifyFunc(Buffer.from(str))
|
|
}
|
|
|
|
onSubscribe(maxValueSize, cb) {
|
|
console.log(maxValueSize)
|
|
this._notifyFunc = cb
|
|
}
|
|
|
|
onUnsubscribe() {
|
|
this._notifyFunc = null
|
|
}
|
|
}
|
|
|
|
module.exports = DataCharacteristic
|