手把手教你使用长编码功能$ i9 R* p6 J8 `/ H; U4 n, v W
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:9 g7 D7 K/ H, z
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018D8F020004100000120C000000000000087F075C. \. u% e/ F4 _
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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# L o. W+ @+ A$ y
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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h. L+ @6 l7 L9 X' Y: U" [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。9 ^$ J% ?7 |, W) E- I# w# |
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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* _! q0 ^( A v4 U$ g6 f2 o) l+ k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。
' R3 B1 } j: 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。
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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) s3 y4 a. z( F' L# l" q9 h
Byte 00 Bit 1 Xenon Headlights installed/ I5 m; y. }* ]3 {
Byte 00 Bit 2 Footwell Lights installed (PR-QQ4)
. ~+ Y. F' N7 bByte 00 Bit 3 Daytime Running Lights (Scandinavia)3 k+ o5 J- ^% W6 e
Byte 00 Bit 4 Daytime Running Lights (North America)# ~( E8 y7 J* _0 b5 z
Byte 00 Bit 5 Assistance Driving Light & Leaving Home
2 p; ?+ p# \% KByte 00 Bit 6 Rain/Light Sensor installed
+ L3 x6 a8 z) u8 ?7 X! k3 u6 [8 ]Byte 00 Bit 7 Coming-Home
: F& n' J3 S8 b4 M2 zByte 01 Bit 0 Rear Seat Recognition installed
1 w8 O! Y, ]& W, cByte 01 Bit 1 Headlight Washer installed (PR-8X1)6 W& N6 G. S# X% I( ?
Byte 01 Bit 2 Electronic Fuelpump Relay installed (Gasonline only)
+ P) _- l. z: i& kByte 01 Bit 3 Rear Wiper installed
5 N7 m& r9 ^ |8 w$ o7 |& ]8 rByte 01 Bit 4 Heated Side Mirror installed
. e4 o* [- N x Q. ~/ w9 nByte 01 Bit 5 Rear Lid Remote Opening8 G P( j& R# {2 Q
Byte 01 Bit 6 Rear Lid Remote Opening - Release6 U+ N' m9 m, z5 T: G1 ~- T3 Y
Byte 01 Bit 7 Rear Wiper with Front Wiper continiously active
! s2 Q1 u5 ^. v% y9 aByte 02 Bit 0 Rear Wiper with Front Wiper intermittent active
7 r6 W9 `( X! Y/ A7 aByte 02 Bit 1 Comfort Turn Signals
* E2 Z5 O8 @9 q" E, Q, w4 d6 lByte 02 Bit 2 Cold Lamp Diagnosis active
$ Q- [7 O. z5 b7 t! Q. P' z {Byte 02 Bit 3 Load Management active, g5 z( y+ x6 n' T$ }; W l. Y
Byte 02 Bit 4 Coming-Home via4 U% E7 U; W9 p7 @
(1 = Potentiometer / 0 = Adaptation)
" e0 Z; p' _, FByte 02 Bit 5 Rear Lid Remote Openening W' u2 R# y& e8 m$ Z7 @' }
(1 = Contact activated / 0 = Impuls activated), t* q9 }% ]7 Q: h5 z7 c
Byte 02 Bit 6 Side Turn Signal Lights installed3 [8 ] V7 v- ^( m2 ], _& `
Byte 02 Bit 7 Seat Heating installed (PR-4A3/4A4)
: z d- A: w8 U1 R6 _Byte 03 Bit 0 Realy Terminal 15 installed (with 2nd Battery)
+ w/ c8 q, V, }" TByte 03 Bit 1 Rear Fog Lights (1 = 1 active / 0 = 2 active)
- y% i6 g% S* kByte 03 Bit 2 Reverse Driving Lights (1 = 1 active / 0 = 2 active)" [; C$ A/ u3 y4 ~
Byte 03 Bit 3 Reverse Driving Light off when Rear Lid open) ~* e2 P1 m2 S) j$ W! ~
Byte 03 Bit 4 Xenon-Shutter installed (Bi-Xenon)) c! a9 M$ D6 h3 ~
Byte 03 Bit 5 Teardrop Wiping active
& [! ^4 ]8 u$ N* OByte 03 Bit 6 2nd Battery installed
\5 h: R7 w! r2 \2 UByte 03 Bit 7 Rear Lights (1 = Back Light/Brake Light dimmed / 0 = Back Light dimmed)
6 g9 i, a, x4 [Byte 04 Bit 0 Auxiliary Heating installed
7 a1 R* ^0 s" o3 MByte 04 Bit 1 Auxiliary Heating installed6 n0 [2 X/ G% T6 ~. J# ^
Byte 04 Bit 2 Trailer/Towing Device installed& T( ~ P2 t0 M# w, `1 d' u
Byte 04 Bit 3 Memory Seats installed
* }" W# N; u, r2 {4 P8 p6 eByte 04 Bit 4 Activation of both Rear Fog Lights. I* t; D" r4 E5 A
Byte 04 Bit 5 Model (0 = Right Hand Drive / 1 = Left Hand Drive)
8 W/ H; ?3 M! P2 v: kByte 04 Bit 6 Rear Fog Lights deactivated+ c) t- S3 c4 Q. G% m
Byte 04 Bit 7 Climatronic installed, d3 c/ q5 o. q6 e* u
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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。
% G0 H) O5 k9 o' \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# F. f* E, o. v# _3 {, \# z. Q
Byte 00 Bit 1 Xenon Headlights installed7 q; J% u7 |& S. O
以及离家和回家大灯
* f/ ~+ s% l1 R0 s3 d: }# A0 i$ YByte 00 Bit 5 Assistance Driving Light & Leaving Home
9 j3 S: X( K0 S0 @8 ZByte 00 Bit 7 Coming-Home
% d0 i& s' b$ Y& I0 I3 t) g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
% H7 k5 q. }$ F3 i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。
+ v8 f! K$ f# Z% g% v这样,再把byte00合并到09功能的长编码去,原来的长编码
: G& d3 d* Y N6 [% h) v1 y2 O/ j* k018D8F020004100000120C000000000000087F075C4 w1 R0 G* I% G' W
就变成了
' P/ Y' t [( pA38D8F020004100000120C000000000000087F075C b4 b1 Y& G" F* {& V; J2 j
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