手把手教你使用长编码功能 n1 m9 x H& g# S
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:$ x1 h$ `) N5 _2 c0 i S% J: T
# X$ P, A6 C% B018D8F020004100000120C000000000000087F075C6 a5 ]: H3 x; u
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09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
& k2 B) [; u' P) j- [8 t/ S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。' i% Y8 \2 Q* T6 p/ b- z' w) a* g
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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。
* Q {& S1 H( k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。6 `& S7 b( z& }: O
- }1 ^' h' J1 [7 g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。4 g5 P5 A4 u5 g
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。* Y# p" `# l" o' c! x w2 B0 D) `
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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)$ v t' Z5 F* S- [/ k- ~8 L
Byte 00 Bit 1 Xenon Headlights installed
; u) i M+ n) _5 u% n) b# W% d; BByte 00 Bit 2 Footwell Lights installed (PR-QQ4)
* R6 G0 `4 ]% B2 [6 a9 JByte 00 Bit 3 Daytime Running Lights (Scandinavia)
* r0 I( w( q% H4 X: K1 lByte 00 Bit 4 Daytime Running Lights (North America)
- O1 e" c9 b" Z2 G* xByte 00 Bit 5 Assistance Driving Light & Leaving Home
8 @: u/ o6 t6 D2 M3 gByte 00 Bit 6 Rain/Light Sensor installed+ W% r/ ~$ p. B7 b) e& F6 B8 B
Byte 00 Bit 7 Coming-Home: K* \+ W/ d: a
Byte 01 Bit 0 Rear Seat Recognition installed
8 f7 y, n3 h$ p5 m- LByte 01 Bit 1 Headlight Washer installed (PR-8X1)
9 a, [ S, b$ D' [. i' HByte 01 Bit 2 Electronic Fuelpump Relay installed (Gasonline only)
G% l* N" b* m" v5 d* R9 sByte 01 Bit 3 Rear Wiper installed
; m) {( s6 i6 {: ?Byte 01 Bit 4 Heated Side Mirror installed0 b- N1 ~! Q/ b
Byte 01 Bit 5 Rear Lid Remote Opening
# n8 G6 P% e6 b; C; }4 VByte 01 Bit 6 Rear Lid Remote Opening - Release' c7 N. v) K+ g0 r' z- t# h
Byte 01 Bit 7 Rear Wiper with Front Wiper continiously active |7 C2 Z7 Q- w! M5 z# g
Byte 02 Bit 0 Rear Wiper with Front Wiper intermittent active$ {6 X& u# Z* T2 e" @- `4 P3 E
Byte 02 Bit 1 Comfort Turn Signals
: F, U7 M2 Q3 t/ L2 @, W% a; |Byte 02 Bit 2 Cold Lamp Diagnosis active
* K" M! E% D/ ?+ \8 V+ BByte 02 Bit 3 Load Management active }5 {/ N. H1 y, [- k; Z& N2 l
Byte 02 Bit 4 Coming-Home via" ]: ~8 c1 Q8 B# S3 }% a
(1 = Potentiometer / 0 = Adaptation)
+ o j' T$ r8 ^( w+ j; X, OByte 02 Bit 5 Rear Lid Remote Openening
n6 t1 L! a0 x% E (1 = Contact activated / 0 = Impuls activated)
2 P1 d$ M" c7 a# z5 nByte 02 Bit 6 Side Turn Signal Lights installed9 S5 m! Q; Q, c! T1 ?, U) z% P
Byte 02 Bit 7 Seat Heating installed (PR-4A3/4A4)
7 \+ R/ s$ ~7 G" M+ O0 ZByte 03 Bit 0 Realy Terminal 15 installed (with 2nd Battery)8 Z0 @4 ]; z4 g/ ?7 T: T. U
Byte 03 Bit 1 Rear Fog Lights (1 = 1 active / 0 = 2 active)% b' q f) o; F- Z7 x. {- R
Byte 03 Bit 2 Reverse Driving Lights (1 = 1 active / 0 = 2 active)
, ?1 @& j6 b# T) zByte 03 Bit 3 Reverse Driving Light off when Rear Lid open
6 }" g* J$ j- |" G4 dByte 03 Bit 4 Xenon-Shutter installed (Bi-Xenon)6 `* y; t; n, f, v; ] r; R
Byte 03 Bit 5 Teardrop Wiping active9 K7 A0 t( D" T4 V2 z& I
Byte 03 Bit 6 2nd Battery installed
S2 M8 Y* n$ H3 E) n) fByte 03 Bit 7 Rear Lights (1 = Back Light/Brake Light dimmed / 0 = Back Light dimmed)3 v. P, y7 m' P0 Z/ n
Byte 04 Bit 0 Auxiliary Heating installed9 i! S3 A% @7 c' t+ e- T3 I
Byte 04 Bit 1 Auxiliary Heating installed
7 T4 M/ c" {* S8 t4 U6 L0 zByte 04 Bit 2 Trailer/Towing Device installed8 t4 P6 f& x' U4 i' n
Byte 04 Bit 3 Memory Seats installed; x$ t, D) E$ b
Byte 04 Bit 4 Activation of both Rear Fog Lights" a8 C6 g2 ]! l- E. [
Byte 04 Bit 5 Model (0 = Right Hand Drive / 1 = Left Hand Drive)
8 C, \. P7 }9 ~# v2 _( p! HByte 04 Bit 6 Rear Fog Lights deactivated
+ z \6 p/ h; uByte 04 Bit 7 Climatronic installed( z* v3 a+ Z6 g* Y+ U1 ^. |) l
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% P9 V6 _* m9 u3 K* b# F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。/ e& `6 \( \; f, o% l$ J
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
2 a& P, M" q3 g; fByte 00 Bit 1 Xenon Headlights installed
6 q* @1 A4 ~' t+ f9 i' E( U以及离家和回家大灯3 F- }, v. z2 m8 [9 r1 {8 n7 Z
Byte 00 Bit 5 Assistance Driving Light & Leaving Home
7 G* l1 z* |1 }0 w* U- w dByte 00 Bit 7 Coming-Home
% N8 J/ D, U3 n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101000113 h: [. E" V' `* u9 ^- z2 ~8 ]
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。
% i1 A6 Y) g* C+ h$ G \这样,再把byte00合并到09功能的长编码去,原来的长编码
- z5 ^# c$ ]9 X X018D8F020004100000120C000000000000087F075C
- _* k" s7 x+ ]& W4 N5 R {就变成了
e0 g; w/ z1 O$ CA38D8F020004100000120C000000000000087F075C: D# j* j; a9 F+ J
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