node-red-contrib-clowire/clowire/Switch.js

clowire for node-red

/**
 * buf数据to对象
 * 
 * data 命令缓冲
 */
module.exports.buf2obj = function (data, obj) {
    const protocolData = _protocol(data)
    if (!protocolData) return null
    protocolData.uid = obj.entity_id
    console.log(protocolData)
    if (obj.uid === protocolData.id && protocolData.address === obj.address)
        return protocolData
    else
        return null
}

/**
 * 协议解析0x01,0x20,0x10,0x11,0x00,0x80 {name:"大灯开关",id:1,address:1,cmd:"click",uid:1},
 * @param {*} data 
 */
function _protocol(data) {
	if(!data)return;
    let obj = {}
    obj.id = data[0]
    if (data[5] === 0x80 && data[2] === 0x10) {
        if (data[1] !== 0x20) return false
        obj.address = data[3] - 0x10
        return obj
    }
    return false

}

/**
 * obj转buf
 * @param {*} obj
 *  
 */
module.exports.obj2buf = function (obj, obj1) {
    const { entity_id, state } = obj
    if ( obj1.entity_id === entity_id) {
        let buf = [obj1.uid, 0x06, 0x10, 0x21, 0x00, 0x00]
        buf[3] = obj1.address + 0x20
        if (state === 'on') buf[5] = 0x01
        return buf
    }
    else return null

}