手把手教你使用长编码功能
0 |1 J6 M6 w; 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:
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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
) \! c9 S0 |! S$ V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。
7 m" x3 m2 ]& o j4 X, t, h! m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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. f( B9 \. C3 Q7 d) |6 z# u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。; ^ p H' C2 g4 |) L3 w
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。4 _2 [/ P9 G4 [8 u5 [7 T
$ }( e8 M4 c; |8 b! }Byte 00 Bit 0 Fog Lights installed (PR-8WB)# O7 Z9 u# _, A9 A; h4 F) C
Byte 00 Bit 1 Xenon Headlights installed1 t) a) S6 n J) C$ N F# V( j1 l
Byte 00 Bit 2 Footwell Lights installed (PR-QQ4)- W" ^* L$ ]* w/ e, I
Byte 00 Bit 3 Daytime Running Lights (Scandinavia)
( T/ Z: P0 s# E! R% q- kByte 00 Bit 4 Daytime Running Lights (North America)6 z' m' B, h" p1 y
Byte 00 Bit 5 Assistance Driving Light & Leaving Home: N {2 ~ D, U1 @, {6 g
Byte 00 Bit 6 Rain/Light Sensor installed$ V) T" O4 M2 D& n
Byte 00 Bit 7 Coming-Home% D( h# ?* A3 b- M9 ~
Byte 01 Bit 0 Rear Seat Recognition installed$ f4 ~9 A$ c: _, m6 C' _
Byte 01 Bit 1 Headlight Washer installed (PR-8X1) _' j, C( g2 K, P
Byte 01 Bit 2 Electronic Fuelpump Relay installed (Gasonline only)7 B. E q% r$ q3 |7 W$ A
Byte 01 Bit 3 Rear Wiper installed9 E1 h$ S6 P% ]0 z
Byte 01 Bit 4 Heated Side Mirror installed
& ]8 O0 ?7 Y' }, l) w/ CByte 01 Bit 5 Rear Lid Remote Opening: K b t6 Q, v; R2 U; k
Byte 01 Bit 6 Rear Lid Remote Opening - Release
5 K5 d U9 |* `( P& E' ^Byte 01 Bit 7 Rear Wiper with Front Wiper continiously active
* ?6 ?- Z* d0 S* ~, h: Z) |) XByte 02 Bit 0 Rear Wiper with Front Wiper intermittent active
9 [0 L$ w) G& l9 D p4 ]Byte 02 Bit 1 Comfort Turn Signals5 |2 R; R- s) @& n
Byte 02 Bit 2 Cold Lamp Diagnosis active
! N# C2 | L% l1 pByte 02 Bit 3 Load Management active* H* y9 s0 I8 s B1 g' C
Byte 02 Bit 4 Coming-Home via
% L$ M( M9 q) A2 }' ` (1 = Potentiometer / 0 = Adaptation): v; w5 s! q3 x" B
Byte 02 Bit 5 Rear Lid Remote Openening
% U6 w M/ Q) \8 B6 t (1 = Contact activated / 0 = Impuls activated)* I& L! ?6 x( Y3 {! X* r
Byte 02 Bit 6 Side Turn Signal Lights installed
, _( L$ A1 Z9 X2 w+ ^0 a+ ^ sByte 02 Bit 7 Seat Heating installed (PR-4A3/4A4)* }* [/ d4 f3 }* s
Byte 03 Bit 0 Realy Terminal 15 installed (with 2nd Battery)
+ u- U( s; z6 `+ O. }Byte 03 Bit 1 Rear Fog Lights (1 = 1 active / 0 = 2 active)
2 l: z! K* E$ Y4 v" n* z2 oByte 03 Bit 2 Reverse Driving Lights (1 = 1 active / 0 = 2 active)+ h9 L) q! n! n: S+ V) w4 Y5 |
Byte 03 Bit 3 Reverse Driving Light off when Rear Lid open
$ a6 e# w4 n% T& ?Byte 03 Bit 4 Xenon-Shutter installed (Bi-Xenon)% K; }4 d8 |: h
Byte 03 Bit 5 Teardrop Wiping active
5 I4 I: g; W4 f7 |. f1 X' A bByte 03 Bit 6 2nd Battery installed
4 Y. x( \) M6 U. y+ HByte 03 Bit 7 Rear Lights (1 = Back Light/Brake Light dimmed / 0 = Back Light dimmed)* G% O1 v( j0 k6 c: o1 Y' ^
Byte 04 Bit 0 Auxiliary Heating installed' h5 h6 w6 B. `7 p; w. {, Y2 |
Byte 04 Bit 1 Auxiliary Heating installed5 b, o1 U: l4 a0 l6 q8 D
Byte 04 Bit 2 Trailer/Towing Device installed6 w5 o4 {' V% v% I" R. \* y W
Byte 04 Bit 3 Memory Seats installed
1 Y( W1 |5 e3 w1 t: e3 M3 n3 iByte 04 Bit 4 Activation of both Rear Fog Lights; U7 c$ ~; J C \: `( Q
Byte 04 Bit 5 Model (0 = Right Hand Drive / 1 = Left Hand Drive)/ j5 W6 N4 @7 J$ Z' H1 y. o. R
Byte 04 Bit 6 Rear Fog Lights deactivated ~9 L7 J' q3 V7 m& l! k8 h5 v
Byte 04 Bit 7 Climatronic installed Z* x+ x; w: B- A
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' ]4 M9 S# Z$ x; _; X4 @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。3 i' @. W4 B. q0 x: f. [
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8 N2 F# q& U& O" Q, U5 i- x; [2 B
Byte 00 Bit 1 Xenon Headlights installed, N. n, V. y* u" X
以及离家和回家大灯
/ ~6 ?5 I; f2 `5 _( uByte 00 Bit 5 Assistance Driving Light & Leaving Home
2 W Z# D1 H* m7 P( {3 AByte 00 Bit 7 Coming-Home
* p6 l3 V B) |) m4 a3 G7 ^' Y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
; s' m9 N0 b t/ `7 a$ c' w& d G4 r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。; S7 T6 |1 ?" h) S4 D1 F" {' J; b! e
这样,再把byte00合并到09功能的长编码去,原来的长编码
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/ J3 G/ g4 b2 N1 Y就变成了/ E6 ] O3 v. a4 P5 c. u
A38D8F020004100000120C000000000000087F075C
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