手把手教你使用长编码功能
* \2 j) y9 S M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:3 u; ~& q t& P8 N" p. L. x6 O
! i4 H" F& r' G, e, ?' J
018D8F020004100000120C000000000000087F075C
% {/ F3 U9 L y6 C3 w/ M
' D3 c% _* @8 y, Z09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& r3 H7 x8 B- h( \/ L
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。/ N# o- Z' C# O( r
" q4 |! }1 V* n& F% G' m, a! G
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。
. S3 x7 E0 H4 ]+ x8 T+ 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。 o1 _7 p# E' P, ]
) C0 X* P2 y4 C# O$ |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。
1 { x! I; C# K) b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。% x0 k8 ]3 s) g1 _8 ~8 V
% z/ d/ F- Q* v& e/ s5 l7 e$ x9 x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。
- Z5 A7 t4 ~6 ^- y/ y# e
, H% f9 X: F/ i5 G' `# I. K5 _Byte 00 Bit 0 Fog Lights installed (PR-8WB)
( p# O/ b- D+ C9 {Byte 00 Bit 1 Xenon Headlights installed. K2 s1 S( C2 V; K6 U2 y9 W! N1 F
Byte 00 Bit 2 Footwell Lights installed (PR-QQ4)
' D5 _7 |" f) O* c! JByte 00 Bit 3 Daytime Running Lights (Scandinavia)' f' K `- M, F$ X! h
Byte 00 Bit 4 Daytime Running Lights (North America)
; \/ I1 G( x- F6 Q3 s7 v3 |Byte 00 Bit 5 Assistance Driving Light & Leaving Home8 v, [" e: V* G# ^2 F* ? s" P
Byte 00 Bit 6 Rain/Light Sensor installed# |. N1 B% {* K4 M' P
Byte 00 Bit 7 Coming-Home
0 a4 ]/ s& @# D+ t8 A* A1 }* MByte 01 Bit 0 Rear Seat Recognition installed
& z3 K! k' D$ @( c0 p% T* JByte 01 Bit 1 Headlight Washer installed (PR-8X1)
$ b# p/ {2 \" I F/ t: uByte 01 Bit 2 Electronic Fuelpump Relay installed (Gasonline only)' {& V/ N' Z8 E! ^) V% s# s
Byte 01 Bit 3 Rear Wiper installed
9 ^, k/ `3 J" X4 [/ V$ FByte 01 Bit 4 Heated Side Mirror installed/ n4 M1 t: P0 |$ r6 ]% A# R
Byte 01 Bit 5 Rear Lid Remote Opening2 T7 r" k8 N$ r" S
Byte 01 Bit 6 Rear Lid Remote Opening - Release8 p0 y7 D7 O) ?, Y7 \: y
Byte 01 Bit 7 Rear Wiper with Front Wiper continiously active! } o. w+ C7 |# l
Byte 02 Bit 0 Rear Wiper with Front Wiper intermittent active
; [9 G; H$ q& [) GByte 02 Bit 1 Comfort Turn Signals* l1 V9 }( W* o
Byte 02 Bit 2 Cold Lamp Diagnosis active
L+ B$ N! q! d1 s( s8 lByte 02 Bit 3 Load Management active
! T/ Z5 Y& p- B, b$ i/ a% \" nByte 02 Bit 4 Coming-Home via
8 }& F. }7 u4 \) z' K& A (1 = Potentiometer / 0 = Adaptation)
* U k1 t+ W" g7 c7 e. y ?Byte 02 Bit 5 Rear Lid Remote Openening
3 s1 v, O( j1 M3 t v* i (1 = Contact activated / 0 = Impuls activated)
0 ^9 Y- c( |8 I& g0 q& m4 pByte 02 Bit 6 Side Turn Signal Lights installed
' |6 C# {8 g% Z# ^, j9 S7 z! HByte 02 Bit 7 Seat Heating installed (PR-4A3/4A4)
0 A; x3 V" i6 c( b! H( mByte 03 Bit 0 Realy Terminal 15 installed (with 2nd Battery)' k1 x$ m2 E2 V% c' }
Byte 03 Bit 1 Rear Fog Lights (1 = 1 active / 0 = 2 active)
z" D3 m: _$ g+ s7 g" T# JByte 03 Bit 2 Reverse Driving Lights (1 = 1 active / 0 = 2 active)( ^5 [% \1 J) x. O4 \6 z
Byte 03 Bit 3 Reverse Driving Light off when Rear Lid open
5 {2 J; ~. [7 n% L3 q+ v; DByte 03 Bit 4 Xenon-Shutter installed (Bi-Xenon)
( V/ s% o8 T9 _$ Y. fByte 03 Bit 5 Teardrop Wiping active
& a, F1 {! S- u3 jByte 03 Bit 6 2nd Battery installed
8 _9 x+ b; [1 E% [; i4 b) AByte 03 Bit 7 Rear Lights (1 = Back Light/Brake Light dimmed / 0 = Back Light dimmed)
7 K% c) [, r. i- ]2 YByte 04 Bit 0 Auxiliary Heating installed
& S) \ E& g8 ~4 X5 ^Byte 04 Bit 1 Auxiliary Heating installed' u2 [7 L) v- c' A& z. Q3 j$ s+ p
Byte 04 Bit 2 Trailer/Towing Device installed
) g1 e6 P0 j9 C1 l) z6 rByte 04 Bit 3 Memory Seats installed$ ]- e9 u0 w' R) T/ d5 N4 X
Byte 04 Bit 4 Activation of both Rear Fog Lights8 M# F1 K9 b1 y, c% V- _, o
Byte 04 Bit 5 Model (0 = Right Hand Drive / 1 = Left Hand Drive)8 [+ U/ S' }) P5 ]
Byte 04 Bit 6 Rear Fog Lights deactivated4 f0 I- M& Y2 f( R/ A! f' c3 O
Byte 04 Bit 7 Climatronic installed& e- y& O7 e/ I5 O1 q
4 b h/ l# n$ s$ \$ V. |…………5 O. h& [+ B" R5 j1 J1 `
. Y1 e1 \8 |$ x3 O; \1 r/ d
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。7 W) w7 g: q" K+ a1 A
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
; l6 L! ^1 ]' N' u) H' TByte 00 Bit 1 Xenon Headlights installed1 g( R1 a) O6 G$ b" z6 }
以及离家和回家大灯. f2 s' ~5 k+ P; q4 F
Byte 00 Bit 5 Assistance Driving Light & Leaving Home5 Z6 ?: M+ U' o) x% k, a8 N/ C4 O8 }
Byte 00 Bit 7 Coming-Home
6 r, ~9 _4 x% ?% y( ]) G0 a) u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& w F) W8 R# o, }. `, d' N
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。
8 g4 ?+ c9 T0 ?这样,再把byte00合并到09功能的长编码去,原来的长编码- \% @7 {6 c) v3 n3 B& S1 j
018D8F020004100000120C000000000000087F075C
" y0 A3 W1 D2 ~3 Z' Q' n# [就变成了
+ k3 ?/ c- V0 q8 pA38D8F020004100000120C000000000000087F075C
7 V" @% U/ F/ [1 d; q( d/ B, E9 a0 a" D7 H v) {1 L2 S
|