go get -u github.com/deatil/go-crc

package main

import (
    "fmt"
    "encoding/hex"

    "github.com/deatil/go-crc/crc"
)

func main() {
    // 16进制字符转为 byte
    crcHex, _ := hex.DecodeString("020f")

    crcData := crc.Crc6Itu(crcHex)
    crcData2 := crc.ToHexString(crcData, "crc6")

    fmt.Println("计算结果为：", crcData2)
}