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package m9z
import (
"fmt"
)
// RelayStatusData 实际通断状态数据结构
type RelayStatusData struct {
IsOpen bool // 0x01:闭合(true), 0x00:断开(false)
}
// ParseRelayStatusResponse 解析实际通断状态响应
// 响应格式示例: EE 99 01 00 02 01 00 D0 FF
// Data部分: 01 00 (长度为2，
func ParseRelayStatusResponse ( data [ ] byte ) ( * RelayStatusData , error ) {
if len ( data ) < 1 {
return nil , fmt . Errorf ( "invalid data length %d, expected at least 1 byte" , len ( data ) )
}
status := data [ 0 ]
return & RelayStatusData {
IsOpen : status == 0x01 ,
} , nil
}
// RelayStatusRead 读取实际通断情况
// CMD = 0x19
func RelayStatusRead ( device string ) ( * RelayStatusData , error ) {
// 调用 ReadCmd，
readRep , err := ReadCmd ( device , relayStatus , "读取实际通断情况" , 0 )
if err != nil {
return nil , err
}
return ParseRelayStatusResponse ( readRep . Data )
}
