手把手教你使用长编码功能
- Z' ^ A1 {$ z1 A r# p- m0 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:4 ~8 n: g5 B. b* V h
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018D8F020004100000120C000000000000087F075C
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) f# Z. x, v8 K5 W9 G7 H# L( B09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207 S4 N# R$ r% |3 c/ |
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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5 V+ t# h( N5 y6 H& H f$ B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。/ b' P! J# Z R; X) |
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。0 U7 Y+ `( i% I) c
8 z! V' o+ R C0 n2 L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。5 _+ f; I' G( \' F3 |
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。. D4 g. u7 t8 N% N6 ?7 j
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Byte 00 Bit 0 Fog Lights installed (PR-8WB)
1 q7 B- h1 A/ D2 KByte 00 Bit 1 Xenon Headlights installed
# Q6 |* @+ O/ y7 x8 IByte 00 Bit 2 Footwell Lights installed (PR-QQ4)3 a- U( |$ K3 H& [
Byte 00 Bit 3 Daytime Running Lights (Scandinavia)# t. E s! c& w; a' d+ h
Byte 00 Bit 4 Daytime Running Lights (North America)
& V- f- @4 x! h, Q5 x" |# \Byte 00 Bit 5 Assistance Driving Light & Leaving Home4 q0 f* n6 s) @
Byte 00 Bit 6 Rain/Light Sensor installed* t0 g2 d5 B+ @# A5 _' M
Byte 00 Bit 7 Coming-Home
6 ^; x7 z1 ]# fByte 01 Bit 0 Rear Seat Recognition installed
1 \+ W3 |. o) s2 j6 [Byte 01 Bit 1 Headlight Washer installed (PR-8X1)
5 E& h* m: a) U: J2 }2 r6 w: C4 pByte 01 Bit 2 Electronic Fuelpump Relay installed (Gasonline only)2 t) Y( m" c: q) G7 i9 P4 ]4 m
Byte 01 Bit 3 Rear Wiper installed
6 q5 |9 t7 D) r3 \+ M" [Byte 01 Bit 4 Heated Side Mirror installed2 j& v* i8 ]+ ]# C* r; ?, N% u% k
Byte 01 Bit 5 Rear Lid Remote Opening
5 z, U# x5 @/ J5 NByte 01 Bit 6 Rear Lid Remote Opening - Release" J2 |8 G& O* w5 A' y; _3 X
Byte 01 Bit 7 Rear Wiper with Front Wiper continiously active
( B% q+ H! o+ b: }' g( E& JByte 02 Bit 0 Rear Wiper with Front Wiper intermittent active
- P i- p7 E; R; y0 }Byte 02 Bit 1 Comfort Turn Signals+ e0 ]3 O5 n) L$ y0 E9 A
Byte 02 Bit 2 Cold Lamp Diagnosis active
' A& J) z7 A1 T1 o. }Byte 02 Bit 3 Load Management active) ~( _7 y- `6 u; ~7 M8 E
Byte 02 Bit 4 Coming-Home via/ l" J$ v* w6 ~$ m7 ]2 d" _& H
(1 = Potentiometer / 0 = Adaptation)) R" j, H( ?$ F
Byte 02 Bit 5 Rear Lid Remote Openening
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' f" c4 Q" F+ iByte 02 Bit 6 Side Turn Signal Lights installed
$ J1 e5 Y, ~! j! w) UByte 02 Bit 7 Seat Heating installed (PR-4A3/4A4)
! u# j4 c5 s' P3 Y0 c+ ]+ Z) yByte 03 Bit 0 Realy Terminal 15 installed (with 2nd Battery)3 Y& b; t) R1 c0 T t8 |" j
Byte 03 Bit 1 Rear Fog Lights (1 = 1 active / 0 = 2 active)
2 X! K) n# h O5 j+ O+ v% cByte 03 Bit 2 Reverse Driving Lights (1 = 1 active / 0 = 2 active)
6 ^( L1 F5 L, Z4 o0 C+ i: U& EByte 03 Bit 3 Reverse Driving Light off when Rear Lid open
6 ^7 X+ e2 y ^% Q% |- i iByte 03 Bit 4 Xenon-Shutter installed (Bi-Xenon)
- J" J3 A% o' C& q) ZByte 03 Bit 5 Teardrop Wiping active
7 w2 K$ m3 c3 C( g- p# m4 kByte 03 Bit 6 2nd Battery installed
- j& X* Y4 S1 Z9 `4 m. ?Byte 03 Bit 7 Rear Lights (1 = Back Light/Brake Light dimmed / 0 = Back Light dimmed)5 [7 M% x8 n4 r1 P
Byte 04 Bit 0 Auxiliary Heating installed
& f3 N& o0 Y: EByte 04 Bit 1 Auxiliary Heating installed: J, {7 B& s5 b9 V" W$ g
Byte 04 Bit 2 Trailer/Towing Device installed
% Q$ y% g1 _ k" T [Byte 04 Bit 3 Memory Seats installed
" f3 j2 r; [$ } TByte 04 Bit 4 Activation of both Rear Fog Lights- H% c1 x, ] z
Byte 04 Bit 5 Model (0 = Right Hand Drive / 1 = Left Hand Drive)2 v% C- {) t- ^. t" w
Byte 04 Bit 6 Rear Fog Lights deactivated
% \6 g" F4 Y+ K3 p# M9 EByte 04 Bit 7 Climatronic installed
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3 M+ t5 T* h. B/ @5 G7 U2 u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。2 T' r; O6 V$ S3 Y# B' D7 t
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
/ _$ o4 Q$ S$ ?5 t) mByte 00 Bit 1 Xenon Headlights installed) _# Q. |; X" B
以及离家和回家大灯" j5 C8 {& B. Y# @- r
Byte 00 Bit 5 Assistance Driving Light & Leaving Home$ ]1 w+ S4 p1 B4 d @9 U$ F
Byte 00 Bit 7 Coming-Home& Z' W2 X4 F2 J7 Y- J3 Q
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* D& x! L1 F7 M+ O6 V" s# e
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。
& n' z$ s6 }+ I }这样,再把byte00合并到09功能的长编码去,原来的长编码
% Y6 l1 a- |4 e0 A018D8F020004100000120C000000000000087F075C
$ H( T( ~7 F" I+ x7 k就变成了. H+ F6 T, m/ c% Q+ \: [
A38D8F020004100000120C000000000000087F075C# Q, P9 u. D) q( E% b1 h! T
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