手把手教你使用长编码功能8 \- L' o. v# N* W0 x" L. h3 R7 |
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:
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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$ `+ Z* t* o3 N8 Y! S6 b
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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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。
* X, @4 m& Y7 ~/ k# M0 [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。/ @7 h S9 i$ n c. c N ~( H
" F" J. o- `* ^4 ?9 N, X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。3 l% _+ Q3 e% u/ S! L7 z
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。( z1 ]; _$ V* z, S: D1 ]- k8 A
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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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Byte 00 Bit 0 Fog Lights installed (PR-8WB)
& T7 e$ |* d/ T1 U, H3 ?! v8 EByte 00 Bit 1 Xenon Headlights installed
0 f) {' m4 O, ~- T8 O, ~Byte 00 Bit 2 Footwell Lights installed (PR-QQ4)
0 D; p( h) z; h; ?8 QByte 00 Bit 3 Daytime Running Lights (Scandinavia)
6 X$ e: [$ h$ NByte 00 Bit 4 Daytime Running Lights (North America)9 ]; m6 v% {" P- \, o1 j
Byte 00 Bit 5 Assistance Driving Light & Leaving Home" W! @0 C7 U% Y& I
Byte 00 Bit 6 Rain/Light Sensor installed
- p# R( w5 W9 j, Q/ U' e$ H7 v/ cByte 00 Bit 7 Coming-Home0 i, T+ S" ]/ @; a" n! D2 g, V0 X
Byte 01 Bit 0 Rear Seat Recognition installed
3 a* ^0 d# |, sByte 01 Bit 1 Headlight Washer installed (PR-8X1)$ G" V# y6 G z/ [
Byte 01 Bit 2 Electronic Fuelpump Relay installed (Gasonline only)( w2 U2 z8 v, e
Byte 01 Bit 3 Rear Wiper installed
9 t5 Q) P) v D. B1 Z( p* W$ z! NByte 01 Bit 4 Heated Side Mirror installed
( U% L7 r1 K/ \6 d! i. XByte 01 Bit 5 Rear Lid Remote Opening
/ |: I, d( ^4 u3 t4 eByte 01 Bit 6 Rear Lid Remote Opening - Release
' X5 s" a. b8 C6 D. V) ]Byte 01 Bit 7 Rear Wiper with Front Wiper continiously active
# w1 h) }! m4 ]5 U2 sByte 02 Bit 0 Rear Wiper with Front Wiper intermittent active% `1 w+ l, n( ~5 X% M% v1 A
Byte 02 Bit 1 Comfort Turn Signals5 c. G/ K s* u% C# i, f0 m4 O0 \
Byte 02 Bit 2 Cold Lamp Diagnosis active
f" O# F' d% U' _; n. RByte 02 Bit 3 Load Management active* p4 A% i$ _% E4 d
Byte 02 Bit 4 Coming-Home via
& B# @* z# \4 m) A v (1 = Potentiometer / 0 = Adaptation)
8 J% `, N9 _8 |Byte 02 Bit 5 Rear Lid Remote Openening
1 F$ H9 d: }$ Z( s& p( A3 T: w8 \ (1 = Contact activated / 0 = Impuls activated)
# @; W: h, _6 L$ JByte 02 Bit 6 Side Turn Signal Lights installed
+ k. u* H9 L9 |0 @Byte 02 Bit 7 Seat Heating installed (PR-4A3/4A4) b& |0 {1 z1 L- E
Byte 03 Bit 0 Realy Terminal 15 installed (with 2nd Battery)
# Y L! c+ p5 n& r3 C2 ~ e* ^Byte 03 Bit 1 Rear Fog Lights (1 = 1 active / 0 = 2 active)9 O4 n0 Q6 n' d! ^9 Z& ?, y
Byte 03 Bit 2 Reverse Driving Lights (1 = 1 active / 0 = 2 active)
% o: ]2 Z6 N H- P7 T. t8 d1 \7 HByte 03 Bit 3 Reverse Driving Light off when Rear Lid open
G# @& W/ P+ t( Z6 J; pByte 03 Bit 4 Xenon-Shutter installed (Bi-Xenon)
% B* G2 }! ~/ g2 K8 P k4 P, qByte 03 Bit 5 Teardrop Wiping active( [% B" @6 o" A
Byte 03 Bit 6 2nd Battery installed( @6 i2 L! L. z, x0 U
Byte 03 Bit 7 Rear Lights (1 = Back Light/Brake Light dimmed / 0 = Back Light dimmed)
& n/ E# w$ g4 K3 A( sByte 04 Bit 0 Auxiliary Heating installed; i$ U. k/ B* A7 O+ }8 M
Byte 04 Bit 1 Auxiliary Heating installed1 M. F: k; z- x: }+ H* X
Byte 04 Bit 2 Trailer/Towing Device installed( X; ?' Y1 Y) a6 |. a+ F! X
Byte 04 Bit 3 Memory Seats installed. Z K( c& l( h( `3 ]
Byte 04 Bit 4 Activation of both Rear Fog Lights
% e" U, B- `/ y# {3 iByte 04 Bit 5 Model (0 = Right Hand Drive / 1 = Left Hand Drive). m) y1 H. b" `, M; K
Byte 04 Bit 6 Rear Fog Lights deactivated
' C& j* H7 @( `Byte 04 Bit 7 Climatronic installed
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8 W) \( {# w: r" m- \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。1 _9 L) I) l. n( I. o
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' x8 y$ Z! ~. k- y5 ?4 E
Byte 00 Bit 1 Xenon Headlights installed
2 a2 J# l& t/ ^; U% s以及离家和回家大灯
, V' z3 H. h3 K' M- iByte 00 Bit 5 Assistance Driving Light & Leaving Home. p" P6 _6 b) A9 `9 n, K7 R
Byte 00 Bit 7 Coming-Home& ^4 S% D$ a d* ~" W" [
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
/ p* f/ U/ n$ |/ C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。
1 E6 {6 @) f) l4 z: i这样,再把byte00合并到09功能的长编码去,原来的长编码$ g( q% l6 |( X7 Y2 {7 P' ], M8 \
018D8F020004100000120C000000000000087F075C& i1 m" m, n% ^8 S( [1 W
就变成了$ H9 q7 z/ e* |7 x
A38D8F020004100000120C000000000000087F075C M( b% f/ {4 C% p! u+ ~
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