手把手教你使用长编码功能
4 j. u0 P9 I+ o% `# Z/ h1 }3 }6 O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:
, [$ X# `" w I$ c2 {' O3 E
! S J. e/ v3 Z3 O7 c8 O$ \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
. P1 c" {6 i0 s1 n( U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。( j/ m1 @- w3 g' T2 v5 g
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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。& X3 f! }$ B0 E$ L) r* [( {
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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0 d7 `5 Z% M3 C5 r! f$ d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。 Y8 z$ Q0 v! d2 q
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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@1 t: H* P9 b1 EByte 00 Bit 0 Fog Lights installed (PR-8WB)
& j: b1 Z% s1 D6 q0 {' H3 g& tByte 00 Bit 1 Xenon Headlights installed
6 ]3 I" X+ }( b6 [' `* NByte 00 Bit 2 Footwell Lights installed (PR-QQ4)5 \3 I* z$ n x- s
Byte 00 Bit 3 Daytime Running Lights (Scandinavia)+ T' {+ ^! g% d( F
Byte 00 Bit 4 Daytime Running Lights (North America)
2 J# B3 O) i, O7 t. X9 y3 y$ P4 {Byte 00 Bit 5 Assistance Driving Light & Leaving Home
6 F) v/ y+ f% L0 ^) |Byte 00 Bit 6 Rain/Light Sensor installed: M$ L/ U. ?0 \( p% s
Byte 00 Bit 7 Coming-Home
0 R- T; O$ O: x2 ]$ cByte 01 Bit 0 Rear Seat Recognition installed
/ E5 a4 \9 Z: C; L5 U: a/ I# I9 bByte 01 Bit 1 Headlight Washer installed (PR-8X1)
f% d6 E5 Q9 H& ?# jByte 01 Bit 2 Electronic Fuelpump Relay installed (Gasonline only): v! t" S$ w- H2 K. \- I
Byte 01 Bit 3 Rear Wiper installed: @+ o y0 \2 P' u/ ]9 O
Byte 01 Bit 4 Heated Side Mirror installed
9 J- K2 P c7 O+ I0 v1 D6 e4 U1 |Byte 01 Bit 5 Rear Lid Remote Opening
; X" ^2 a! y# u. h' nByte 01 Bit 6 Rear Lid Remote Opening - Release
% [- w" I4 |+ m. X8 M# CByte 01 Bit 7 Rear Wiper with Front Wiper continiously active
8 ^" F/ U# \5 J _: ]$ IByte 02 Bit 0 Rear Wiper with Front Wiper intermittent active; \( R" K, c5 v- K
Byte 02 Bit 1 Comfort Turn Signals& u8 L& e0 b3 l% i
Byte 02 Bit 2 Cold Lamp Diagnosis active h/ M' L1 u& A8 l/ h1 M% A
Byte 02 Bit 3 Load Management active
5 e$ H( g# A$ z8 g0 c) f! K' x0 RByte 02 Bit 4 Coming-Home via
9 t1 v8 o- r m: ? (1 = Potentiometer / 0 = Adaptation)
, R+ O; B) H5 ?, m1 \! n6 IByte 02 Bit 5 Rear Lid Remote Openening
, w$ a) O) H l" K; d) S3 { (1 = Contact activated / 0 = Impuls activated)
8 @7 n* W* N, t4 kByte 02 Bit 6 Side Turn Signal Lights installed
7 Z; M. e4 b0 ^8 ^Byte 02 Bit 7 Seat Heating installed (PR-4A3/4A4)
; ~5 a0 N- t2 D0 w" ?$ Z" z# HByte 03 Bit 0 Realy Terminal 15 installed (with 2nd Battery)
[/ D: e9 @- K4 BByte 03 Bit 1 Rear Fog Lights (1 = 1 active / 0 = 2 active)2 ^. z$ E% y" Q$ N l9 ^
Byte 03 Bit 2 Reverse Driving Lights (1 = 1 active / 0 = 2 active)
) N) b! T* c8 V3 [* [Byte 03 Bit 3 Reverse Driving Light off when Rear Lid open5 @. y% }0 f+ m4 ~1 {% Y
Byte 03 Bit 4 Xenon-Shutter installed (Bi-Xenon)
' l8 c- d. J5 PByte 03 Bit 5 Teardrop Wiping active# F5 I) L a, m" E
Byte 03 Bit 6 2nd Battery installed
. I3 K4 F) K6 K8 a {/ k+ rByte 03 Bit 7 Rear Lights (1 = Back Light/Brake Light dimmed / 0 = Back Light dimmed)
; k, D2 r8 I, W! O |4 O' `& iByte 04 Bit 0 Auxiliary Heating installed$ U& U$ h; b9 H
Byte 04 Bit 1 Auxiliary Heating installed2 u4 c1 ?% g/ Y* o/ a
Byte 04 Bit 2 Trailer/Towing Device installed. U3 |( L. _: ]! ?' m
Byte 04 Bit 3 Memory Seats installed
6 z9 g2 E& r4 s1 z8 v/ v( RByte 04 Bit 4 Activation of both Rear Fog Lights& r) J5 a( S) F/ u! k
Byte 04 Bit 5 Model (0 = Right Hand Drive / 1 = Left Hand Drive): W. m0 a: O/ W3 D, q7 j$ G
Byte 04 Bit 6 Rear Fog Lights deactivated% g, X8 {( b7 k: K5 h
Byte 04 Bit 7 Climatronic installed: M" X# A3 T/ v& ]
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$ t0 n8 `5 u3 O9 `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。
# P0 I& P$ S1 G9 T! _* 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3 Z/ v% m7 r- i; R2 o. d4 |! A
Byte 00 Bit 1 Xenon Headlights installed! X+ I8 ~% B j, `% P7 y8 ~
以及离家和回家大灯
7 q* ]1 ^& ]: u3 t2 Y( {Byte 00 Bit 5 Assistance Driving Light & Leaving Home
: W# Y4 o& |/ h* q* N. ^; L: {Byte 00 Bit 7 Coming-Home
5 R# ~! B- J, s9 c$ Z3 q! S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; |* s0 F9 w5 N+ O
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。) y* V( G2 a3 J' e% R0 J
这样,再把byte00合并到09功能的长编码去,原来的长编码
3 n7 T3 k+ Q1 e% M( \018D8F020004100000120C000000000000087F075C
3 y9 B6 S4 T. p6 q9 V# G就变成了
+ v. s. w' v& b7 g% [! e- iA38D8F020004100000120C000000000000087F075C
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