手把手教你使用长编码功能 Q0 y6 Y% J! D7 ?
首先我们来认识一下长编码,以09中央电器功能的长编码为例,我的原厂设置是:
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018D8F020004100000120C000000000000087F075C) E3 r1 k* `% x( d( a+ @ e# `3 p& D! G
. Q" ~2 S3 c1 A% o) `% Z: y09功能长编码是21个byte组成的,每个byte是16进制的2个字符,顺序是从左到右,从00开始到20
2 `9 ?1 P# q2 h: Z* z# H0 N" L以上面一个为例,byte00的值就是01,byte01的值就是8D,byte02的值就是8F,以此类推到byte20就是最后一位5C。
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接下来,就是继续分解byte到bit位,我们知道,任何功能都是有开、关两种状态,在2进制中就是1、0来代表,然后,每个16进制的byte转换成2 进制就是8位bit,上面的例子中,byte00的16进制值01,转换成2进制就是00000001,byte01的16进制值8D转换成2进制就是 10001101,byte02的8F转换了就是10001111。
+ v. r6 B; z( h; E有个简单的转换方法,就是利用windows系统自带的计算器,在查看选项中选择科学性计算器,然后选16进制,例如输入刚才byte01的8D,然后再点一下2进制,就会自动转换成2进制的数字。不过要记住一点,计算器转换出来的2进制,如果前面几位是0会不显示,需要我们手动补足0,例如byte00 的值01,转换成2进制,计算器上显示仍然是1,但是我们需要在前面补上7个0。5 }$ G- o T, E& G8 m' G- [0 L) d
. M* n8 c; }+ V' |4 r$ {这样,我们就得出了byte00的值是00000001,byte01是10001101,byte02是10001111,byte03是00000010,byte04是00000000。
5 V: }* j f# F' k- _6 O; L* k注意一下,8位的bit的前后顺序是从右向左从bit0到bit7的,也就是以byte00为例,bit0位是1,bit7位是0, byte01的bit0位是1,bit1位是0,bit2位是1,和byte的顺序正好相反,这一点一开始很容易搞错,千万注意,呵呵。$ r" n2 `: b/ q2 t+ O
4 b: ~; i4 y' n4 w! c/ D得到了上述的编码后,然后我们再来看09长编码的功能对照表。
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Byte 00 Bit 0 Fog Lights installed (PR-8WB): q7 O/ v5 T4 m$ J" V0 b
Byte 00 Bit 1 Xenon Headlights installed
: W6 y/ _2 j8 O% Y8 t0 J6 \2 vByte 00 Bit 2 Footwell Lights installed (PR-QQ4)
+ m* m+ \0 ^+ Z- GByte 00 Bit 3 Daytime Running Lights (Scandinavia)
9 E# o) C3 G& ?- _3 c; m6 D8 F0 [0 zByte 00 Bit 4 Daytime Running Lights (North America). _ Q6 a- A0 m% \
Byte 00 Bit 5 Assistance Driving Light & Leaving Home6 p% r/ Y* e6 h$ l; Q$ v: N( |
Byte 00 Bit 6 Rain/Light Sensor installed
" ]: g& v3 i X t, vByte 00 Bit 7 Coming-Home
1 b. o/ q* F7 v) x8 ^# ]3 dByte 01 Bit 0 Rear Seat Recognition installed
' t7 M/ ^0 E8 m+ V. pByte 01 Bit 1 Headlight Washer installed (PR-8X1)% ]' b6 T/ ]9 f# J" k% t
Byte 01 Bit 2 Electronic Fuelpump Relay installed (Gasonline only)
# R* ~! A2 \5 g) t6 jByte 01 Bit 3 Rear Wiper installed
4 b3 _& h6 i9 c! x) EByte 01 Bit 4 Heated Side Mirror installed
6 j& Q Y7 [7 [1 _9 I; m7 v9 `Byte 01 Bit 5 Rear Lid Remote Opening
" j' w4 |; @% A' Y) TByte 01 Bit 6 Rear Lid Remote Opening - Release, A* e# e4 e( o$ p% l% ]2 ~, x8 e
Byte 01 Bit 7 Rear Wiper with Front Wiper continiously active
4 b- |" l$ D" m9 u- |Byte 02 Bit 0 Rear Wiper with Front Wiper intermittent active! ~2 ?# U1 h6 P. i
Byte 02 Bit 1 Comfort Turn Signals( a6 v& u, J4 }. b' o
Byte 02 Bit 2 Cold Lamp Diagnosis active
. ?$ c& U4 O8 A2 ^0 Q* A" iByte 02 Bit 3 Load Management active3 b: y- ^ k- m: \" e
Byte 02 Bit 4 Coming-Home via
5 h3 @2 N- B( h1 ?; g (1 = Potentiometer / 0 = Adaptation)
3 @7 o5 }( T2 I( XByte 02 Bit 5 Rear Lid Remote Openening1 ?7 p/ X* A6 [8 p5 n+ B. H
(1 = Contact activated / 0 = Impuls activated); b; u' O$ ^7 {) ~+ h' d
Byte 02 Bit 6 Side Turn Signal Lights installed" L R' d3 W* l/ Z8 U, f1 s% F
Byte 02 Bit 7 Seat Heating installed (PR-4A3/4A4)
! [5 `3 W% U, \. DByte 03 Bit 0 Realy Terminal 15 installed (with 2nd Battery)0 L# A2 v ~) v. G6 z
Byte 03 Bit 1 Rear Fog Lights (1 = 1 active / 0 = 2 active)
( x/ f! O* J, }# A5 fByte 03 Bit 2 Reverse Driving Lights (1 = 1 active / 0 = 2 active)9 `. W J7 J3 z# x
Byte 03 Bit 3 Reverse Driving Light off when Rear Lid open
# ?; F7 g7 n9 Z' h; d0 [9 K ]Byte 03 Bit 4 Xenon-Shutter installed (Bi-Xenon). W+ M4 G- H: r- |8 S) H W/ e8 G
Byte 03 Bit 5 Teardrop Wiping active* |: Q& q! e N& i9 _3 V1 R
Byte 03 Bit 6 2nd Battery installed
; Y# {9 U q" m4 R# J2 gByte 03 Bit 7 Rear Lights (1 = Back Light/Brake Light dimmed / 0 = Back Light dimmed)8 x, |5 K" A+ y0 n6 o/ A. f
Byte 04 Bit 0 Auxiliary Heating installed3 W1 |+ W* @6 r- n& g7 q l4 H/ u
Byte 04 Bit 1 Auxiliary Heating installed
$ r4 k' u( S2 B" IByte 04 Bit 2 Trailer/Towing Device installed8 |' k# k g8 j. `9 a$ _
Byte 04 Bit 3 Memory Seats installed. C. B+ [. x& _( Q
Byte 04 Bit 4 Activation of both Rear Fog Lights
) X$ v/ n& k) u6 w7 x# K# nByte 04 Bit 5 Model (0 = Right Hand Drive / 1 = Left Hand Drive)4 v9 `2 l- o# M; A* I; h
Byte 04 Bit 6 Rear Fog Lights deactivated" ^! p+ }$ y% `5 v% i/ G
Byte 04 Bit 7 Climatronic installed
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上面截取了byte00-byte04的功能对照,对比上面的代码,我们很容易看出,byte00位除了只有bit0是1,即打开状态,对应的功能是 Fog Lights installed (PR-8WB)即安装了雾灯,byte01位的bit0 bit2 bit3 bit7是打开状态,对应的功能是Rear Seat Recognition installed,Electronic Fuelpump Relay installed (Gasonline only),Rear Wiper installed,Rear Wiper with Front Wiper continiously active。9 M; O; K0 P4 j: m( V, P
接下来,我们再找到我们需要变更的功能,比如说我们需要调节氙灯模式,那么对应功能表中是8 Z \6 v. U: k. \, `% Y) m0 J' z$ P* S
Byte 00 Bit 1 Xenon Headlights installed
/ C6 r" E+ Q7 [2 `9 v3 h; o; p4 e( T. V以及离家和回家大灯
6 U3 h" [5 v3 n( lByte 00 Bit 5 Assistance Driving Light & Leaving Home: Q. U# p0 o: y4 j! G, c4 q+ R$ q
Byte 00 Bit 7 Coming-Home
' F5 L% O2 m$ a i3 W: |那么我们只需要把byte00的bit1 bit5 bit7位由0变成1,这样原来的byte00位00000001就变成了10100011
; {+ j4 w, G! p$ e$ U7 ~然后我们再用windows的计算器程序把2进制变为16进制,转换回去的byte00的16进制编码就是A3。* F, Y3 N) r/ T+ |. V4 B
这样,再把byte00合并到09功能的长编码去,原来的长编码2 I% A) |; h {# e2 ?. f
018D8F020004100000120C000000000000087F075C
6 i; G" Q. n$ z( T8 p, a/ J就变成了& T9 P. E! K4 e
A38D8F020004100000120C000000000000087F075C
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