node-red-contrib-clowire/alive/Climate.js

clowire for node-red

const fan_modes = ["low", "medium", "high", "off", "auto"]
const ac_modes = ["cool", "heat", "fan_only", "dry", "auto"]
/**
 * buf数据to对象
 * 
 * data 命令缓冲
 */
module.exports.buf2obj = function (data, id, address, uid) {
    const protocolData = _protocol(data)
    if (!protocolData) return null
    protocolData.uid = uid
    if (id === protocolData.id)
        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) {
    let obj = {}
    obj.id = data[0]
    if (data[3] <= 0x39 && data[3] >= 0x23) {
        if (data[1] !== 0x06) return false
        return _handleThermostat(obj, data)       //温控器
    }
    return false


}
/**
 * 温控器处理
 * @param {*} data 
 */
function _handleThermostat(obj, data) {
    switch (data[3]) {
        case 0x33:
            obj.type = 'fan_speed'
            obj.val = fan_modes[data[5]]
            break
        case 0x32:
            obj.type = 'mode'
            obj.val = ac_modes[data[5]]
            break
        case 0x35:
            obj.type = 'setTemperature'
            obj.val = data[5]
            break
        case 0x36:
            obj.type = 'power'
            obj.val = data[5] ? 'on' : 'off'
            break
        default:
            return null
            break
    }
    return obj
}


/**
* 写入状态至面板
* @param {*} uid
* uid 为返馈ID 
*/
async function handleClimateState(buf, obj, arr) {

    if(!obj.attributes) {
        arr=[]
        return 
    }
    
    let i = ac_modes.indexOf(obj.state)
    buf[2] = buf[4] = 0
    if (i >= 0) {
        buf[3] = 0x32
        buf[5] = i
        arr.push(JSON.parse(JSON.stringify(buf)))
    }
    i = fan_modes.indexOf(obj.attributes.fan_mode)
    if (i >= 0) {

        buf[3] = 0x33
        buf[5] = i
        arr.push(JSON.parse(JSON.stringify(buf)))
    }

    buf[3] = 0x36
    buf[5] = obj.state === 'off' ? 0 : 1
    arr.push(JSON.parse(JSON.stringify(buf)))

    buf[3] = 0x34
    buf[4] = obj.attributes.current_temperature || 25
    buf[5] = obj.attributes.temperature || 16
    arr.push(JSON.parse(JSON.stringify(buf)))
}

/**
 * obj转buf
 * @param {*} obj
 *  
 */
module.exports.obj2buf = function (obj, id, address, uid) {
    if (uid === obj.entity_id) {
        let arr = []
        let buf = [id, 0x20, 0x10, 0x21, 0x00, 0x00]
        handleClimateState(buf, obj, arr)
        return arr
    }
    else
        return null

}