手把手教你使用长编码功能
% `6 I( h* L+ _7 R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:# ~( @. z/ j$ w) D
* p4 u4 d+ I# z+ Z018D8F020004100000120C000000000000087F075C
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7 a m- z. U L) ~* h- g09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
3 M c5 V0 F3 J3 f6 u7 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。
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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。
, \6 P% t' V/ j( H: s J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。4 ~' H% u, j1 x1 ]! {0 i/ C* H
) h5 i; V4 S" K% U7 M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。3 L5 y9 R9 r8 a) O) k1 `( D
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。; O- _# t% O7 ^1 T+ n" o. [& x
. F6 ^; H7 t/ P: v- R' b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)/ @/ p( C( v- A8 x' ?
Byte 00 Bit 1 Xenon Headlights installed
: o& Q r& s( s& J' Z7 b, r1 Y0 @Byte 00 Bit 2 Footwell Lights installed (PR-QQ4)
3 c8 ^: L5 w/ R7 L, [# h3 @7 kByte 00 Bit 3 Daytime Running Lights (Scandinavia)
- O, m1 T0 y% H+ dByte 00 Bit 4 Daytime Running Lights (North America)
R6 f$ i% [, l% w/ F) EByte 00 Bit 5 Assistance Driving Light & Leaving Home# {$ c+ b; u) Z) V
Byte 00 Bit 6 Rain/Light Sensor installed
+ [* C% w+ `9 [+ Z7 W* }: rByte 00 Bit 7 Coming-Home0 [2 q9 z, v0 H8 g8 j: E& c
Byte 01 Bit 0 Rear Seat Recognition installed
; y: f4 Z5 e. Z! c7 `, D& qByte 01 Bit 1 Headlight Washer installed (PR-8X1)- R. j! Y/ d" D ?0 [0 s4 v
Byte 01 Bit 2 Electronic Fuelpump Relay installed (Gasonline only)8 P0 k% b: i# P c
Byte 01 Bit 3 Rear Wiper installed
$ Q/ d+ z$ s( d$ Q) T6 }Byte 01 Bit 4 Heated Side Mirror installed' T) Q0 v! N) R6 s, \" O( f6 C& V5 a
Byte 01 Bit 5 Rear Lid Remote Opening/ E4 T( x' |9 {+ V3 N% f( u
Byte 01 Bit 6 Rear Lid Remote Opening - Release6 J }6 S1 [8 M
Byte 01 Bit 7 Rear Wiper with Front Wiper continiously active
+ R, l, h Z0 [4 z/ A$ VByte 02 Bit 0 Rear Wiper with Front Wiper intermittent active9 k" Z( A' s* m& E# d x
Byte 02 Bit 1 Comfort Turn Signals, ]( u) x. u. }# a
Byte 02 Bit 2 Cold Lamp Diagnosis active7 f% {$ o* s; b; H% i! H
Byte 02 Bit 3 Load Management active6 y" \! N$ a! P) z7 S# L
Byte 02 Bit 4 Coming-Home via
+ j# v$ L8 p; q _& Y; K7 @: n# _ (1 = Potentiometer / 0 = Adaptation)
6 ?" F( m7 {& S. S+ g# J; q, U# d- oByte 02 Bit 5 Rear Lid Remote Openening
2 ]3 v8 I# t+ g( \! @, f- a (1 = Contact activated / 0 = Impuls activated)
' r6 f4 `( q$ k+ D* y; T7 _) yByte 02 Bit 6 Side Turn Signal Lights installed- o7 I" V* l. ~0 O- F7 R% T( u+ f1 q! O
Byte 02 Bit 7 Seat Heating installed (PR-4A3/4A4); T% x2 R0 g6 K3 R! n
Byte 03 Bit 0 Realy Terminal 15 installed (with 2nd Battery)
4 |# f/ k; C, H0 {1 a# ^: mByte 03 Bit 1 Rear Fog Lights (1 = 1 active / 0 = 2 active)8 K& @' @2 _7 j* \4 n- d
Byte 03 Bit 2 Reverse Driving Lights (1 = 1 active / 0 = 2 active)" ~: ~) F& a# W. V/ b2 U; q8 A2 M
Byte 03 Bit 3 Reverse Driving Light off when Rear Lid open$ ^1 w' T! [8 ?; a6 `) H, ]8 ?
Byte 03 Bit 4 Xenon-Shutter installed (Bi-Xenon)
& o; A2 M( c$ \, [Byte 03 Bit 5 Teardrop Wiping active
- s% N% _- V$ W1 ?Byte 03 Bit 6 2nd Battery installed
: r( x. d0 C, V1 w6 IByte 03 Bit 7 Rear Lights (1 = Back Light/Brake Light dimmed / 0 = Back Light dimmed)
9 s7 D( M* q4 Y/ e6 j, e* c$ aByte 04 Bit 0 Auxiliary Heating installed
: C5 U; @+ L1 _2 aByte 04 Bit 1 Auxiliary Heating installed
, h. C* a; l$ ^Byte 04 Bit 2 Trailer/Towing Device installed) m: ^* g* R3 S; g1 d" D
Byte 04 Bit 3 Memory Seats installed
- K# s) i: H7 f/ h' t) T: ]6 ~Byte 04 Bit 4 Activation of both Rear Fog Lights5 j- B, p' v5 l* j* E* X) F
Byte 04 Bit 5 Model (0 = Right Hand Drive / 1 = Left Hand Drive)) o" }/ e: n! Z
Byte 04 Bit 6 Rear Fog Lights deactivated S/ s! X) Y! Y) S8 ~
Byte 04 Bit 7 Climatronic installed
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0 [- m3 F9 `# {- e…………
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" _+ L" ]/ M2 H: U! L$ R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 P: h# D& S4 n% Q( v7 @! M
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
. P# m5 q6 J8 X% q6 pByte 00 Bit 1 Xenon Headlights installed, q3 ^3 c% ? Z* W# \+ G
以及离家和回家大灯
" O' o5 t- p6 L& @% y4 B: WByte 00 Bit 5 Assistance Driving Light & Leaving Home
: ~/ k7 P; G. a& QByte 00 Bit 7 Coming-Home
4 T$ ^/ r1 E ^9 o( k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
, y/ l+ o6 u9 B9 V, o0 C* a0 F/ ^ q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。
- Q8 t6 e" x. `3 @' T# E这样,再把byte00合并到09功能的长编码去,原来的长编码
2 V6 _3 ?1 W( U1 `018D8F020004100000120C000000000000087F075C
7 L! \0 C& B' _, ]就变成了! ?! w3 J0 ~* M( m+ @5 k
A38D8F020004100000120C000000000000087F075C
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