手把手教你使用长编码功能
3 z2 g- X1 a6 m5 P5 P* t W* 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:4 P; r5 [/ e" Q7 y
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018D8F020004100000120C000000000000087F075C
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# b: E1 i$ p# A4 r ^6 [. o! r09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# `; p+ W3 M# d6 W# ]# s
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。* A, h' {% i3 e; ]* M- A9 w/ d
) Q/ V2 g' ?0 r% Q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。$ V! Y P1 z# C& H7 }* 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。3 f v0 o) T; {0 I
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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。- R( T5 A) A4 Y: f
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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! ~+ Z) O/ R' Q0 z. s& ?8 b- d1 o1 r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。! ~ N. e2 D3 m! y4 F0 W
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Byte 00 Bit 0 Fog Lights installed (PR-8WB)
0 G! w, s, \( h9 c/ ^: u# BByte 00 Bit 1 Xenon Headlights installed
8 t7 o# y8 j9 h! _5 I5 xByte 00 Bit 2 Footwell Lights installed (PR-QQ4)' K1 [, c+ R/ x( K$ e$ Q1 }0 f
Byte 00 Bit 3 Daytime Running Lights (Scandinavia)
! l$ G. i8 b7 F: |Byte 00 Bit 4 Daytime Running Lights (North America)0 ?$ E( t2 Z- B
Byte 00 Bit 5 Assistance Driving Light & Leaving Home! k- } Q+ O7 P3 @0 T
Byte 00 Bit 6 Rain/Light Sensor installed4 q U5 r! _% x8 ?
Byte 00 Bit 7 Coming-Home6 L; B5 n8 D" u& E- _7 Y
Byte 01 Bit 0 Rear Seat Recognition installed
/ e i5 c+ w( e8 }" kByte 01 Bit 1 Headlight Washer installed (PR-8X1)6 T, {* H- [" \8 B. t* ]4 {# l" W
Byte 01 Bit 2 Electronic Fuelpump Relay installed (Gasonline only)
& U% g0 M1 y& q* _Byte 01 Bit 3 Rear Wiper installed
9 N) H. X* y* ~: C) G: h: l( AByte 01 Bit 4 Heated Side Mirror installed9 u7 T0 X. r" g0 b( S* \
Byte 01 Bit 5 Rear Lid Remote Opening
" O# `; q* }& `. b+ GByte 01 Bit 6 Rear Lid Remote Opening - Release
* R% v, s/ D4 f: z. N4 dByte 01 Bit 7 Rear Wiper with Front Wiper continiously active
1 p, }: w% t R+ w( kByte 02 Bit 0 Rear Wiper with Front Wiper intermittent active: V f, z) I6 o+ |
Byte 02 Bit 1 Comfort Turn Signals
( y) v. ~' ~) @+ B/ rByte 02 Bit 2 Cold Lamp Diagnosis active! R) V. F$ p9 L, j1 q
Byte 02 Bit 3 Load Management active
/ Q. c0 H0 ~( F$ z) H+ q& ?# gByte 02 Bit 4 Coming-Home via" {% T) e: P* N" | K
(1 = Potentiometer / 0 = Adaptation)
, N9 s B: s1 K `' x* T% _( sByte 02 Bit 5 Rear Lid Remote Openening
Q; u4 ~9 I! Z2 ]( i! v! F9 F1 | (1 = Contact activated / 0 = Impuls activated)
. t1 O9 I. c" e5 |% u% JByte 02 Bit 6 Side Turn Signal Lights installed
% l3 j1 G; U8 @Byte 02 Bit 7 Seat Heating installed (PR-4A3/4A4)
D6 x, r4 E! j2 H* dByte 03 Bit 0 Realy Terminal 15 installed (with 2nd Battery)
6 z8 p" M9 F. \* {( RByte 03 Bit 1 Rear Fog Lights (1 = 1 active / 0 = 2 active)1 g/ _% _2 J* I% j, n" X
Byte 03 Bit 2 Reverse Driving Lights (1 = 1 active / 0 = 2 active)
6 k: V# _4 r" k f. T2 q* ]0 bByte 03 Bit 3 Reverse Driving Light off when Rear Lid open
( G, l7 g! {( D" p2 x. M& vByte 03 Bit 4 Xenon-Shutter installed (Bi-Xenon)
* {5 H, X. {$ p4 z. u8 d7 yByte 03 Bit 5 Teardrop Wiping active) Z$ a5 ]+ n o; [+ K
Byte 03 Bit 6 2nd Battery installed
( i% v' e- d' S0 X; i" R% L6 WByte 03 Bit 7 Rear Lights (1 = Back Light/Brake Light dimmed / 0 = Back Light dimmed). ?6 W. _8 P& e1 ]3 {
Byte 04 Bit 0 Auxiliary Heating installed
, v6 a+ |( b9 ^1 |8 x4 `, x8 X0 ~Byte 04 Bit 1 Auxiliary Heating installed3 z8 Q: D0 \" \; g0 Y j. B
Byte 04 Bit 2 Trailer/Towing Device installed
8 o; u& a% t8 j) D; P" c4 \; eByte 04 Bit 3 Memory Seats installed; _& ] ?0 z4 |# N
Byte 04 Bit 4 Activation of both Rear Fog Lights* d) L1 j" I4 s% P( p4 S$ q- q2 P
Byte 04 Bit 5 Model (0 = Right Hand Drive / 1 = Left Hand Drive)% `( Q2 Y3 x+ W: g! u) W% g: c
Byte 04 Bit 6 Rear Fog Lights deactivated
0 G- B6 [1 u$ g3 g! s) IByte 04 Bit 7 Climatronic installed7 w& c+ m- q- U
0 F- b. P# p/ X6 H- u…………
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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。8 V/ F% g( I6 ?$ ~
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
6 A5 {' K: [+ l" ]" j' FByte 00 Bit 1 Xenon Headlights installed
$ `* {* w4 f3 C3 |2 E5 F2 s以及离家和回家大灯
o7 f; H; [% I" V+ w5 e8 ~; JByte 00 Bit 5 Assistance Driving Light & Leaving Home
" d8 q* q u: Q) h" }Byte 00 Bit 7 Coming-Home5 L8 t1 ~* Y9 t( v6 z5 x
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; Z5 C, c7 c# e* J; |1 P
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。
" s5 `3 ^/ }5 Q5 A$ [; {8 S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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就变成了
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