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package m9z
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import (
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"encoding/binary"
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"fmt"
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"tgk-touch/internal/global"
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"time"
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)
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type DeviceStatus struct {
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Mode uint // 模式 (0=自动, 1=手动)
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DeviceTime time.Time // 系统时间 (UTC秒数)
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Relays [10]bool // 10路继电器状态 (true=动作)
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Optocoupler [8]bool // 8路光耦输入状态 (true=触发)
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PWMOutputs [10]uint8 // 10路PWM输出值 (0-100)
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}
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func DeviceStatusRead(deviceId string) (*DeviceStatus, error) {
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cmd, err := ReadCmd(deviceId, deviceStatus, "读取设备的状态")
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if err != nil {
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return nil, err
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}
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data := cmd.Data
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// 数据长度校验 (至少需要18字节)
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if len(data) < 18 {
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return nil, fmt.Errorf("invalid data length: expect 18 bytes, got %d", len(data))
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}
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ds := &DeviceStatus{}
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// 1. 解析工作模式 (Byte0)
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ds.Mode = uint(data[0])
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// 2. 解析系统时间 (Byte1~4 小端序uint32)
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unixSec := int64(binary.LittleEndian.Uint32(data[1:5]))
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ds.DeviceTime = time.Unix(unixSec, 0).UTC()
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// 3. 解析10路继电器状态 (Byte5~6 小端序uint16)
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//relayBits := binary.LittleEndian.Uint16(data[5:7])
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relayBits := binary.LittleEndian.Uint16(data[5:7])
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g.Log().Debugf("%s 解析10路继电器状态（二进制）: %016b ,% X", deviceId, relayBits, data[5:7]) // 补零显示16位
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for i := 0; i < 10; i++ {
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ds.Relays[i] = (relayBits & (1 << i)) != 0
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}
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// 4. 解析8路光耦输入 (Byte7)
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optoByte := data[7]
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for i := 0; i < 8; i++ {
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ds.Optocoupler[i] = (optoByte & (1 << i)) != 0
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}
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// 5. 解析10路PWM输出 (Byte8~17)
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for i := 0; i < 10; i++ {
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ds.PWMOutputs[i] = uint8(data[8+i])
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}
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return ds, nil
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}
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