rts-sim-testing-service/third_party/btm_vobc/btm_vobc2_test.go

package btm_vobc

import (
	"encoding/hex"
	"fmt"
	"joylink.club/bj-rtsts-server/third_party/message"
	"testing"
)

const (
	WAIT_FF_C1     = 0x00
	WAIT_FF_C2     = 0x01
	WAIT_NO_FF     = 0x02
	WAIT_FF_POS    = 0x03
	ABNORMAL_STATE = 0x04

	/*FFFE数据接收状态*/
	COM_WAIT_START_FF = 0x00
	COM_WAIT_START_FE = 0x01
	COM_WAIT_STOP_FF  = 0x02
	COM_WAIT_STOP_FD  = 0x03
)

// TranslateFromFFFE 将经过FFFE转义处理后的数据（已经去掉了头FFFE及尾FFFD）还原为原始数据。
func TranslateFromFFFE(pSrc []byte) ([]byte, uint16) {
	var (
		srcPos, tgtPos, nonFFCount, nextFFPos uint16
		char                                  uint8
		state                                 int
	)

	if len(pSrc) == 0 {
		return nil, 0 // 入参错误
	}

	pTgt := make([]byte, len(pSrc)) // 预分配与输入等长的缓冲区
	tgtPos = 0
	state = WAIT_FF_C1
	nonFFCount = 0

	for srcPos = 0; srcPos < uint16(len(pSrc)); srcPos++ {
		char = pSrc[srcPos]
		switch state {
		case WAIT_FF_C1:
			if char == 0xFF {
				pTgt[tgtPos] = char
				tgtPos++
				state = WAIT_FF_C2
			} else {
				pTgt[tgtPos] = char
				tgtPos++
			}
		case WAIT_FF_C2:
			if char == 0xFD || char == 0xFE || char == 0xFF {
				state = ABNORMAL_STATE
			} else {
				if char == 0 {
					state = WAIT_NO_FF
				} else if char == 1 {
					pTgt[tgtPos] = 0xFF
					tgtPos++
					state = WAIT_FF_C1
				} else {
					nextFFPos = srcPos + uint16(char) - 1
					state = WAIT_FF_POS
				}
			}
		case WAIT_NO_FF:
			nonFFCount++
			if char == 0xFF && nonFFCount < 252 {
				state = ABNORMAL_STATE
			} else {
				pTgt[tgtPos] = char
				tgtPos++
				if nonFFCount == 252 {
					nonFFCount = 0
					state = WAIT_FF_C1
				}
			}
		case WAIT_FF_POS:
			if char == 0xFF {
				state = ABNORMAL_STATE
			} else {
				pTgt[tgtPos] = char
				tgtPos++
				if srcPos == nextFFPos {
					pTgt[tgtPos] = 0xFF
					tgtPos++
					state = WAIT_FF_C1
				}
			}
		default:
			state = ABNORMAL_STATE
		}

		if state == ABNORMAL_STATE {
			tgtPos = 0
			break
		}
	}

	// 退出时的状态判断
	if state == WAIT_FF_C2 || state == WAIT_FF_POS {
		tgtPos = 0
	}

	return pTgt[:tgtPos], tgtPos
}
func TestTss(t *testing.T) {
	ss := "fffee601804f004d00921d21002a00ea014fef63995bff009122ce0000000000000000000000000000211d90000000000000000000007b07310379cefffd"
	ss = "fffee601804f004d00444a1c002a00473bbfa11d4b3b029122a800000000000000000000000000001c4a42000000000000000000008970492fff00d0fffd"
	dd, _ := hex.DecodeString(ss)
	frameType, dataText, _ := message.BtmVobcDecode(dd)
	if frameType == message.COMMAND_TYPE {
		fmt.Println("1111111111111111")
	} else if frameType == message.REQUEST_TYPE {

		req := &message.BtmVobcReq{}
		req.Decode(dataText)
		fmt.Println("22222222222222222222")
	} else {
		fmt.Println("zzzzzzzzzzzzzzzzzzzzz")
	}
}

func TestFffe(t *testing.T) {
	var testUserBtmMsg = "90007F8181B60B10183280003FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
	userMsg, _ := hex.DecodeString(testUserBtmMsg)

	msg := &message.BtmVobcMessage{FontTtl: 5, BtmStatus: 0x00, DecodeTime: 10, BackTtl: 4, BtmMsg: userMsg, ResponseTime: 10,
		VobcLifeNum: 123, BaseBtmVobc: message.BaseBtmVobc{AutoIdFrame: 123}}
	sendData := msg.Encode()
	fmt.Println(hex.EncodeToString(sendData))
}
func TestDecode232(t *testing.T) {
	var dd uint32 = 888888888
	fmt.Println(dd)
	fmt.Println(uint16(dd))
	ss := "9287a8000511006464000a000000000000000000000490007f8181b60b10183280003fff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff01ff000a0023438bf4c27929"
	userMsg, _ := hex.DecodeString(ss)
	arr, _ := TranslateFromFFFE(userMsg)
	fmt.Println(arr)
	fmt.Println(hex.EncodeToString(arr))

}

func TestDecode2311(t *testing.T) {
	var data uint16 // 初始化为0

	// 将第0, 1, 2, 3位设置为1（二进制中的1111）
	data |= (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3)

	// 第4-5位设置为0（不需要操作，因为初始就是0）
	// 但如果需要明确设置，可以这样做：
	// data &= ^((1 << 4) | (1 << 5)) // 使用按位取反和按位与来清除这些位

	// 第6-7位设置为3（二进制中的11）
	data |= (3 << 6)

	// 打印结果

	fmt.Printf("The modified data is: %04X\n", data)
	fmt.Printf("The modified data is: %b\n", data)
}