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package m9z
// 时间获取
import (
"encoding/binary"
"fmt"
"log"
"time"
)
func DeviceTimeRead ( deviceId string ) ( time . Time , int64 , error ) {
readResp , err := ReadCmd ( deviceId , deviceTime , "读取日期时间" )
if err != nil {
return time . Time { } , 0 , err
}
u := binary . LittleEndian . Uint32 ( readResp . Data )
return time . Unix ( int64 ( u ) , 0 ) , int64 ( u ) , nil
}
// DeviceTimeWrite 将当前时间写入设备
func DeviceTimeWrite ( deviceId string , t time . Time ) error {
// 2. 将时间转换为Unix时间戳（ ）
unixTime := uint32 ( t . Unix ( ) )
// 3. 准备写入数据（ ）
timeData := make ( [ ] byte , 4 )
binary . LittleEndian . PutUint32 ( timeData , unixTime )
// 5. 发送命令
writeResp , err := WriteCmd ( deviceId , deviceTime , timeData , "将当前时间写入设备" )
if err != nil {
return err
}
// 6. 验证响应
if ! writeResp . Success {
return fmt . Errorf ( "设备返回写入失败 " )
}
log . Printf ( "成功写入设备时间: %s" , t . Format ( "2006-01-02 15:04:05" ) )
return nil
}
