手把手教你使用长编码功能0 I/ x; j5 ^! f
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) k, X3 a8 U1 e* ]! R: C$ P# ~ h+ @
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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
! s1 ~0 m' X8 i: p: ]- Q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。
% O2 F$ \6 \) l2 o' A: ]* z8 n+ I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。
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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 b+ c- l; _* L$ L4 o- D7 w) V8 k# l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。
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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)
1 v1 N6 J+ A5 o8 c- ?) AByte 00 Bit 1 Xenon Headlights installed
( _# y3 {- c& {) vByte 00 Bit 2 Footwell Lights installed (PR-QQ4)
L0 {# h* P$ [3 a" m$ \4 JByte 00 Bit 3 Daytime Running Lights (Scandinavia), }: |% A { T8 M/ R6 K- m2 P
Byte 00 Bit 4 Daytime Running Lights (North America)/ f6 t% `+ X% }* x' V6 n8 {
Byte 00 Bit 5 Assistance Driving Light & Leaving Home
; k; r4 V7 o. j2 I+ X7 bByte 00 Bit 6 Rain/Light Sensor installed
1 n7 m1 u v N% J5 V+ X9 B4 JByte 00 Bit 7 Coming-Home
! }" y* |/ L: q; Y6 w; d6 KByte 01 Bit 0 Rear Seat Recognition installed9 O9 o, n. m# B$ F, d1 R' Y, [3 p g
Byte 01 Bit 1 Headlight Washer installed (PR-8X1)# w# J N; o6 K5 k" R
Byte 01 Bit 2 Electronic Fuelpump Relay installed (Gasonline only)& d- p! P) l( K" @9 x* o
Byte 01 Bit 3 Rear Wiper installed
9 j( t( Y# W, }; o* {7 t: pByte 01 Bit 4 Heated Side Mirror installed6 a$ y( l: Q; G* z) [9 ]
Byte 01 Bit 5 Rear Lid Remote Opening
" S* B1 @' ?$ F- D: ]) n: JByte 01 Bit 6 Rear Lid Remote Opening - Release
" }- T* n& i7 G2 ]3 J$ iByte 01 Bit 7 Rear Wiper with Front Wiper continiously active
3 m+ W# r M. { Q/ {; `1 M$ mByte 02 Bit 0 Rear Wiper with Front Wiper intermittent active9 s# T; w. ?* O6 O, C( W
Byte 02 Bit 1 Comfort Turn Signals; m' p# |: j; l0 F8 A
Byte 02 Bit 2 Cold Lamp Diagnosis active& P" I: c4 t+ L
Byte 02 Bit 3 Load Management active
9 v; v2 X J5 n& V9 _ O- ^Byte 02 Bit 4 Coming-Home via* [- q5 F. x) Q6 d; T6 x4 U; ~' |1 i
(1 = Potentiometer / 0 = Adaptation)
2 e( r( Z. O3 R. CByte 02 Bit 5 Rear Lid Remote Openening
: H9 N0 `" ^: N( O (1 = Contact activated / 0 = Impuls activated)3 D' m$ D7 k4 w% D6 T9 |% [
Byte 02 Bit 6 Side Turn Signal Lights installed
# N# M7 o# @" k+ Q. ^Byte 02 Bit 7 Seat Heating installed (PR-4A3/4A4), U( Z& E, V6 R
Byte 03 Bit 0 Realy Terminal 15 installed (with 2nd Battery)
, r. z1 |$ t' u+ u, ^0 YByte 03 Bit 1 Rear Fog Lights (1 = 1 active / 0 = 2 active)
5 J0 r* R$ l' YByte 03 Bit 2 Reverse Driving Lights (1 = 1 active / 0 = 2 active)
; V6 j& C4 {5 ~) i$ z ?. a" Q5 `; MByte 03 Bit 3 Reverse Driving Light off when Rear Lid open/ N* ^5 k6 @- S/ c# X4 A
Byte 03 Bit 4 Xenon-Shutter installed (Bi-Xenon)9 M/ [, E( J% {3 S
Byte 03 Bit 5 Teardrop Wiping active
$ J) J5 ]8 l/ f( n+ ?* t8 V6 }Byte 03 Bit 6 2nd Battery installed, U$ Q+ x# X& d$ z) u8 h9 D* @( m- p
Byte 03 Bit 7 Rear Lights (1 = Back Light/Brake Light dimmed / 0 = Back Light dimmed)
- t2 t5 H; P$ I& z& Q/ JByte 04 Bit 0 Auxiliary Heating installed
4 n2 g @4 t1 p. q8 D4 e. s4 @Byte 04 Bit 1 Auxiliary Heating installed
+ A! O5 e/ t+ y' g/ NByte 04 Bit 2 Trailer/Towing Device installed
( k; V1 X8 _9 RByte 04 Bit 3 Memory Seats installed- p! c0 v# [3 j) X
Byte 04 Bit 4 Activation of both Rear Fog Lights
& ?: `: p: U! r& k8 GByte 04 Bit 5 Model (0 = Right Hand Drive / 1 = Left Hand Drive)% m) e" [" ~2 q$ V) m/ |
Byte 04 Bit 6 Rear Fog Lights deactivated- Z" z0 |* O" s' g9 N$ y
Byte 04 Bit 7 Climatronic installed6 ]) R" x+ U$ ` c7 @
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…………
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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。7 m& w# ]6 d9 O% D
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% v/ i! Y! q; ^/ y7 `
Byte 00 Bit 1 Xenon Headlights installed& q( `3 G4 H* O0 p4 C
以及离家和回家大灯
8 k& _* z9 @$ O+ L1 |& e; ]Byte 00 Bit 5 Assistance Driving Light & Leaving Home. v% R$ J5 N4 _5 J
Byte 00 Bit 7 Coming-Home G: e' L, l% a+ n& E2 U6 i
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
/ @6 v0 i' H) D8 A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。
9 C# U, l9 h: X. y这样,再把byte00合并到09功能的长编码去,原来的长编码& g l. e N1 _2 n: `' S
018D8F020004100000120C000000000000087F075C( q6 `& p/ T* n; F. I. {. E( N
就变成了
$ x" t. J' y4 w4 M9 ~4 [- KA38D8F020004100000120C000000000000087F075C; ^+ x7 [5 Q" @( L* A4 p4 I. j
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