手把手教你使用长编码功能
6 O$ O4 G$ Y7 y4 p& u0 P" s, p, V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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/ x9 b# ^" z7 z8 C# A! o. o* L018D8F020004100000120C000000000000087F075C% ` v! W( l7 b3 i
& ~7 \0 {& Y* N3 M09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204 n N3 N* R8 r& d
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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8 L- H) }8 Q! {! q+ ^+ P6 v: o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。- f4 j% P/ h' I4 G2 R( F) 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。9 z) g. B: c* s) ^2 Z5 s+ [
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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 n% ?& M, ~* g4 p$ 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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6 p* U* C6 z# k# q+ 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。8 [4 x# X9 P% {$ V
, F: U) k: G" c' X+ PByte 00 Bit 0 Fog Lights installed (PR-8WB)
! [. R+ e- s# P% `# UByte 00 Bit 1 Xenon Headlights installed: g# X F6 H" s; G; c
Byte 00 Bit 2 Footwell Lights installed (PR-QQ4)
( ^( ^# G% X+ O5 S5 Z# ~# WByte 00 Bit 3 Daytime Running Lights (Scandinavia)% q) V+ \- O/ f
Byte 00 Bit 4 Daytime Running Lights (North America)
- t$ ]8 m5 o x; r+ \4 gByte 00 Bit 5 Assistance Driving Light & Leaving Home
7 C2 k9 ^6 s# p2 G% a9 Z1 K/ V i. AByte 00 Bit 6 Rain/Light Sensor installed
% |1 Q$ Z& k/ ?" [Byte 00 Bit 7 Coming-Home8 X) r1 ]( }$ R2 r1 X7 z
Byte 01 Bit 0 Rear Seat Recognition installed0 f! ^0 X- G' v; `! o, A+ F
Byte 01 Bit 1 Headlight Washer installed (PR-8X1)
3 F. v6 G. Z. X6 i% FByte 01 Bit 2 Electronic Fuelpump Relay installed (Gasonline only)+ a- M" I2 V( c: f2 z9 y8 e2 U
Byte 01 Bit 3 Rear Wiper installed
8 k. F4 c0 P' Y6 V8 NByte 01 Bit 4 Heated Side Mirror installed Y6 O$ @) G$ c
Byte 01 Bit 5 Rear Lid Remote Opening; y9 E+ ]; s: q- a3 z
Byte 01 Bit 6 Rear Lid Remote Opening - Release. Y! D5 j) e, R8 |6 w$ c
Byte 01 Bit 7 Rear Wiper with Front Wiper continiously active2 G6 ?; A8 F; ?- s" b& G6 \
Byte 02 Bit 0 Rear Wiper with Front Wiper intermittent active
% m! {& W l) k9 K& l/ S' IByte 02 Bit 1 Comfort Turn Signals
5 x8 K& m7 f. B8 zByte 02 Bit 2 Cold Lamp Diagnosis active
3 Z) v: D2 i& E ^- _Byte 02 Bit 3 Load Management active
) r. x0 V# B- @) p z' R) fByte 02 Bit 4 Coming-Home via2 s" X9 X! @8 G* t
(1 = Potentiometer / 0 = Adaptation)
& t- N3 O; V* p4 o1 d0 \Byte 02 Bit 5 Rear Lid Remote Openening
; Y1 }0 E- h7 W (1 = Contact activated / 0 = Impuls activated)
/ J* U: M8 c- b+ W7 FByte 02 Bit 6 Side Turn Signal Lights installed( u$ y/ K8 H* O# V* H% K$ ]( @% [
Byte 02 Bit 7 Seat Heating installed (PR-4A3/4A4): d, J) I+ i: v( `: S. @5 ?
Byte 03 Bit 0 Realy Terminal 15 installed (with 2nd Battery)
7 ?8 Q. K) E' n% r3 g' NByte 03 Bit 1 Rear Fog Lights (1 = 1 active / 0 = 2 active)) L+ I* B4 R* A$ r6 K, J$ E; c
Byte 03 Bit 2 Reverse Driving Lights (1 = 1 active / 0 = 2 active)
) x# i5 b! z5 n* u1 J( kByte 03 Bit 3 Reverse Driving Light off when Rear Lid open
) r7 ~- O3 y* rByte 03 Bit 4 Xenon-Shutter installed (Bi-Xenon)6 K) `+ E3 Q% R5 m, e6 U5 R. \
Byte 03 Bit 5 Teardrop Wiping active
V1 n7 f0 t4 Z* }# JByte 03 Bit 6 2nd Battery installed" }" u4 V' \/ N) S/ W2 u1 Q
Byte 03 Bit 7 Rear Lights (1 = Back Light/Brake Light dimmed / 0 = Back Light dimmed)6 B0 F4 `7 o9 Q" {. _
Byte 04 Bit 0 Auxiliary Heating installed( K9 v7 V, Q" T' D4 }
Byte 04 Bit 1 Auxiliary Heating installed
/ B- u/ e% ^# v8 V$ K5 [3 n4 a) lByte 04 Bit 2 Trailer/Towing Device installed
" G8 U/ P0 P" h, r/ AByte 04 Bit 3 Memory Seats installed) m: t6 B2 O, Y8 {% S# _
Byte 04 Bit 4 Activation of both Rear Fog Lights8 h, t$ J+ `6 ~7 S/ J$ U8 ]* K
Byte 04 Bit 5 Model (0 = Right Hand Drive / 1 = Left Hand Drive)
& r7 Q+ l/ D) S5 p! h! K% o+ d9 `Byte 04 Bit 6 Rear Fog Lights deactivated
2 V6 }; @9 j }) f. s) K/ yByte 04 Bit 7 Climatronic installed
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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。
+ U6 N3 \* d1 K; n4 w: }. b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
% u' J8 a1 y7 {4 qByte 00 Bit 1 Xenon Headlights installed
' H" z$ M1 c% j. Z1 u0 u* d( U以及离家和回家大灯7 W m* ?% J& Q/ j: ^. B
Byte 00 Bit 5 Assistance Driving Light & Leaving Home& a7 d! e7 c" J+ I+ [
Byte 00 Bit 7 Coming-Home0 s1 o; }0 M7 H$ {
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
' G' b0 H7 r6 o, O+ g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 D. u% w3 ^& V7 X+ w
这样,再把byte00合并到09功能的长编码去,原来的长编码. C" Q& m) @6 P3 p: e: |
018D8F020004100000120C000000000000087F075C9 b- x! ~# X) [" i6 I) V' V
就变成了: K- I, j' v+ ~( f# I/ T/ V* g
A38D8F020004100000120C000000000000087F075C
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