手把手教你使用长编码功能& }5 x/ t& U, | E9 d) N' D
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:. j" M2 L4 R; e2 W6 R
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018D8F020004100000120C000000000000087F075C
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( g7 Z% c S! \* f; v0 J+ ~$ s3 Y09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201 g z. L; w" m( b l) U% x
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。- d' E; e9 U0 ~8 e. [
5 G6 @, B" q$ F1 o6 [/ A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。2 u( H: a& k6 A9 E
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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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。
8 s. j. V" ]+ V+ M' Y+ H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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2 W- p$ Z7 W- v2 }. v6 h 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。
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Byte 00 Bit 0 Fog Lights installed (PR-8WB)
; P* }2 [* L' \+ |* R$ aByte 00 Bit 1 Xenon Headlights installed# V1 Q2 v; W$ x3 e1 h5 H* A
Byte 00 Bit 2 Footwell Lights installed (PR-QQ4)7 v: {2 A2 G0 c9 D7 S: U' \6 [: [5 {
Byte 00 Bit 3 Daytime Running Lights (Scandinavia): A! [' W4 A6 r( J
Byte 00 Bit 4 Daytime Running Lights (North America)" C2 B3 s+ m4 n: }2 M$ Z
Byte 00 Bit 5 Assistance Driving Light & Leaving Home$ e. r t1 v- J7 z, A& J
Byte 00 Bit 6 Rain/Light Sensor installed! {" f3 i5 O @: j. D; `7 Z1 D
Byte 00 Bit 7 Coming-Home$ m5 q0 u$ M; A
Byte 01 Bit 0 Rear Seat Recognition installed
" h2 @, B0 a1 b7 ] L' LByte 01 Bit 1 Headlight Washer installed (PR-8X1)
5 @* W$ K5 s# N) qByte 01 Bit 2 Electronic Fuelpump Relay installed (Gasonline only)- q. v/ m- E6 ]$ n
Byte 01 Bit 3 Rear Wiper installed8 K2 F5 v) d9 i8 b, s
Byte 01 Bit 4 Heated Side Mirror installed0 c6 j9 }& v! X; E+ ?% w
Byte 01 Bit 5 Rear Lid Remote Opening
7 j2 P) g: W/ [7 J) f q/ {8 KByte 01 Bit 6 Rear Lid Remote Opening - Release
, U) V% Y. U! q8 @/ yByte 01 Bit 7 Rear Wiper with Front Wiper continiously active3 \+ `% V; E" m( s0 @& }6 Z4 H
Byte 02 Bit 0 Rear Wiper with Front Wiper intermittent active7 A7 `* r$ x: }( y8 A# @4 ^
Byte 02 Bit 1 Comfort Turn Signals4 m' o1 U) k/ u4 {
Byte 02 Bit 2 Cold Lamp Diagnosis active+ i2 H( D- }0 _. T- R
Byte 02 Bit 3 Load Management active
/ n: f4 t, j2 o- Q" `3 s: _Byte 02 Bit 4 Coming-Home via
% |2 @' F; i( c (1 = Potentiometer / 0 = Adaptation)
. d! n4 z U8 ~" M ^Byte 02 Bit 5 Rear Lid Remote Openening
% k: g A$ I4 k- u; }4 r (1 = Contact activated / 0 = Impuls activated)
3 W# u8 |4 J7 }) l& FByte 02 Bit 6 Side Turn Signal Lights installed" f! a$ k% z9 x; j% t/ \6 O; Y. ^
Byte 02 Bit 7 Seat Heating installed (PR-4A3/4A4)$ g+ k) L, U/ i% }8 p( S7 M
Byte 03 Bit 0 Realy Terminal 15 installed (with 2nd Battery)
0 u/ B! [: U5 t7 s# z6 c% [% sByte 03 Bit 1 Rear Fog Lights (1 = 1 active / 0 = 2 active)+ N# r5 C v9 x) A& v
Byte 03 Bit 2 Reverse Driving Lights (1 = 1 active / 0 = 2 active)
: E$ _5 N2 d+ q7 `Byte 03 Bit 3 Reverse Driving Light off when Rear Lid open( t' z9 L6 Y" I" D2 u7 h
Byte 03 Bit 4 Xenon-Shutter installed (Bi-Xenon)& r* I2 @% n- i' a& R/ `
Byte 03 Bit 5 Teardrop Wiping active0 ?; C& Q) h. B8 Q; H
Byte 03 Bit 6 2nd Battery installed
' b( q% v. j- ], j, W; [Byte 03 Bit 7 Rear Lights (1 = Back Light/Brake Light dimmed / 0 = Back Light dimmed)
2 [/ O$ G) L+ f' h+ M7 wByte 04 Bit 0 Auxiliary Heating installed
+ k' q( f' ~# J. HByte 04 Bit 1 Auxiliary Heating installed
9 Q; X& \6 ] ^ |, oByte 04 Bit 2 Trailer/Towing Device installed
5 E' k6 L7 w" }8 `. L) u2 t, J4 Y, R( YByte 04 Bit 3 Memory Seats installed
2 m1 m% P7 W) F! LByte 04 Bit 4 Activation of both Rear Fog Lights B M* A: x6 c7 M) |
Byte 04 Bit 5 Model (0 = Right Hand Drive / 1 = Left Hand Drive)/ T+ \1 G8 \, P$ G9 m5 [) r
Byte 04 Bit 6 Rear Fog Lights deactivated5 U# q, D& R; e: F9 l$ l
Byte 04 Bit 7 Climatronic installed
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3 W! m% r1 i: g% J5 ^$ Q5 T# ]5 g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。. |, D. O# r; L9 x! X
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9 H2 y; P! m6 X, w Z- I8 C
Byte 00 Bit 1 Xenon Headlights installed
D) B( X% O) b' ]以及离家和回家大灯
6 v& H" u: x; G; V# X" CByte 00 Bit 5 Assistance Driving Light & Leaving Home( c& O7 m4 K! L4 y3 G( [. |- A
Byte 00 Bit 7 Coming-Home$ v+ R, H6 s ?/ c: l/ G/ Q& Z9 E
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101000119 F o9 s/ O2 e# W
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 b# Q+ ]; v. _
这样,再把byte00合并到09功能的长编码去,原来的长编码
4 u. g. @* {. k% U" V, o" N018D8F020004100000120C000000000000087F075C8 Z t* p U! h( [5 B8 N8 H
就变成了
9 c0 v# l0 t# xA38D8F020004100000120C000000000000087F075C' b. y; S) u: w: p. _, G
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