手把手教你使用长编码功能" X4 l' \6 |) S1 \6 W' j
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
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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$ \) B6 W7 A( y. F
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。* H; }& U9 d* U- y" [2 k
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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。
4 B6 ]# b# X# \4 C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。9 b% A7 E1 G0 F: |" ^* m( C
3 C0 Z0 X5 p4 N0 b& J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。
9 @: ~, d. k; A Z& D* C' c& W5 l3 i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。; ?/ k6 ~ E& G+ ^8 j- q m
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Byte 00 Bit 0 Fog Lights installed (PR-8WB)3 E% S2 N6 R/ H2 [4 s: Z, W
Byte 00 Bit 1 Xenon Headlights installed
6 L% a# m/ }4 ~% Z3 Z) CByte 00 Bit 2 Footwell Lights installed (PR-QQ4); ^! q. p8 P% h8 y0 v
Byte 00 Bit 3 Daytime Running Lights (Scandinavia)- ^" Z2 ^) v; I/ e2 O5 g
Byte 00 Bit 4 Daytime Running Lights (North America)
2 d$ V" W9 Z7 L" h, a2 V0 g7 _Byte 00 Bit 5 Assistance Driving Light & Leaving Home+ Z0 q$ \4 e4 K3 I3 T! t8 B8 p4 \
Byte 00 Bit 6 Rain/Light Sensor installed2 d# ^7 l' G( p
Byte 00 Bit 7 Coming-Home M" r. m+ J# x, W; S A
Byte 01 Bit 0 Rear Seat Recognition installed1 M6 m+ F, H& z- _( J5 c
Byte 01 Bit 1 Headlight Washer installed (PR-8X1)5 P8 r$ j6 c$ i. M: y
Byte 01 Bit 2 Electronic Fuelpump Relay installed (Gasonline only)
/ s1 \: d% y1 x7 u2 m5 U4 YByte 01 Bit 3 Rear Wiper installed
/ S9 l# A. y0 J- v- x7 [Byte 01 Bit 4 Heated Side Mirror installed
9 X G* p# _/ G; [: F pByte 01 Bit 5 Rear Lid Remote Opening1 X' ~0 `0 n4 x
Byte 01 Bit 6 Rear Lid Remote Opening - Release
5 A+ `1 U) X( ^# v4 Y# GByte 01 Bit 7 Rear Wiper with Front Wiper continiously active2 l* ?& t( M* i$ }; d
Byte 02 Bit 0 Rear Wiper with Front Wiper intermittent active
5 j' w. R' w; p: s6 Q& T s- fByte 02 Bit 1 Comfort Turn Signals8 `, o2 Q/ T$ O( s
Byte 02 Bit 2 Cold Lamp Diagnosis active* v' x$ |5 l$ \- ^* A
Byte 02 Bit 3 Load Management active
! a$ M2 P0 i* |( D- T6 \4 SByte 02 Bit 4 Coming-Home via3 h5 L& t( A0 y4 z
(1 = Potentiometer / 0 = Adaptation). {- O! J$ {, y8 n$ `. ]
Byte 02 Bit 5 Rear Lid Remote Openening
% _0 R* `2 l# n. B4 _ (1 = Contact activated / 0 = Impuls activated)7 [, u ]6 Q% A- o4 r( v- a
Byte 02 Bit 6 Side Turn Signal Lights installed
3 I, u# ?$ U) S: K( N# D% xByte 02 Bit 7 Seat Heating installed (PR-4A3/4A4)! b3 j/ I" h' ]' X& P: ~
Byte 03 Bit 0 Realy Terminal 15 installed (with 2nd Battery)
# U# M' ~8 Y. G- L/ c% A. Z7 iByte 03 Bit 1 Rear Fog Lights (1 = 1 active / 0 = 2 active)* B. t" w4 O ^2 s2 D* _
Byte 03 Bit 2 Reverse Driving Lights (1 = 1 active / 0 = 2 active), v3 A9 y3 S. f# Y q
Byte 03 Bit 3 Reverse Driving Light off when Rear Lid open7 r% `/ j6 l: ]* M" a9 Z
Byte 03 Bit 4 Xenon-Shutter installed (Bi-Xenon)
, I/ ]+ d! D. h1 ]5 S& M$ rByte 03 Bit 5 Teardrop Wiping active
9 p# V! Q7 j7 p! E- NByte 03 Bit 6 2nd Battery installed5 F3 ~3 @/ M7 e3 U" c* \+ e% N
Byte 03 Bit 7 Rear Lights (1 = Back Light/Brake Light dimmed / 0 = Back Light dimmed)9 }# E/ a- U1 L
Byte 04 Bit 0 Auxiliary Heating installed0 |+ i# L5 R3 e
Byte 04 Bit 1 Auxiliary Heating installed
) z8 Q+ f! {6 ?9 N. I# ~Byte 04 Bit 2 Trailer/Towing Device installed! |/ q6 d b, u: L
Byte 04 Bit 3 Memory Seats installed
- \4 U+ p# c4 a0 O" ]) _Byte 04 Bit 4 Activation of both Rear Fog Lights
* v# @8 }$ A( z B% ]- R6 b! e/ ]/ a8 WByte 04 Bit 5 Model (0 = Right Hand Drive / 1 = Left Hand Drive)
: C- ~, l. z7 k+ u! AByte 04 Bit 6 Rear Fog Lights deactivated7 i3 k6 {; _7 L( T
Byte 04 Bit 7 Climatronic installed' Z* P7 P: ?9 `7 z% V0 k
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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。
1 l$ a6 c! G5 \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- g, g6 }0 O; E3 H& l0 S2 o
Byte 00 Bit 1 Xenon Headlights installed
4 w: {0 \( {4 m$ M以及离家和回家大灯
5 v" a7 f7 F5 h3 x y& XByte 00 Bit 5 Assistance Driving Light & Leaving Home g8 f% \+ U8 {4 P) @* z- T
Byte 00 Bit 7 Coming-Home) A0 N: m) R0 g* {6 N7 L
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; o0 M4 G9 H- G3 x2 f+ [* |
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。
3 [6 u" M5 @! @/ M& l% y这样,再把byte00合并到09功能的长编码去,原来的长编码; X+ f- J1 g6 `- k' z
018D8F020004100000120C000000000000087F075C5 n0 X' r" f' C I" I a
就变成了7 W5 r- k2 E/ {- ^) U
A38D8F020004100000120C000000000000087F075C a) Y! Y. D$ N
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