手把手教你使用长编码功能
7 S8 a7 s0 Z1 ?. R/ F. 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:) G1 P! D2 A* h g+ l
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018D8F020004100000120C000000000000087F075C0 n% \- r$ `; N0 r: _. t. D
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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205 E# L$ S" {" f2 Y5 u; q
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。
% {7 b- h* i- p: w( s9 T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。- d3 v$ [7 t' E. P5 W
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。( Y6 z2 r; {. d' ?- V: R
# u7 t. {4 k0 f# L# IByte 00 Bit 0 Fog Lights installed (PR-8WB)
& M$ C. o8 W% S0 Q xByte 00 Bit 1 Xenon Headlights installed' j1 f! |9 \$ g$ j- |
Byte 00 Bit 2 Footwell Lights installed (PR-QQ4)" b3 T! y8 B/ t& b6 q" V6 V
Byte 00 Bit 3 Daytime Running Lights (Scandinavia)/ U) `, D8 K7 A: q R( ]2 F
Byte 00 Bit 4 Daytime Running Lights (North America)
! |, @% c; ^* N1 IByte 00 Bit 5 Assistance Driving Light & Leaving Home9 G3 h0 g3 s7 s/ ]: ?1 l
Byte 00 Bit 6 Rain/Light Sensor installed
/ o7 n: K) A. Z( u) {Byte 00 Bit 7 Coming-Home
1 O5 [" T R: C. L! | z, n/ J. B2 tByte 01 Bit 0 Rear Seat Recognition installed
6 B4 l$ q3 t4 Z: b/ t9 a8 L# hByte 01 Bit 1 Headlight Washer installed (PR-8X1)
3 R1 e9 ^0 _- X" U6 t% c- RByte 01 Bit 2 Electronic Fuelpump Relay installed (Gasonline only)
- X7 ~( y: b! dByte 01 Bit 3 Rear Wiper installed/ V2 A& S y7 w2 Q
Byte 01 Bit 4 Heated Side Mirror installed
+ z4 u6 F) ]7 q/ ^: WByte 01 Bit 5 Rear Lid Remote Opening
: F, i H" T0 G, W }+ j0 L- TByte 01 Bit 6 Rear Lid Remote Opening - Release
5 z) Y0 g' T TByte 01 Bit 7 Rear Wiper with Front Wiper continiously active
* V7 \- w( m" Y ~ cByte 02 Bit 0 Rear Wiper with Front Wiper intermittent active- U. O) o8 A* P' l
Byte 02 Bit 1 Comfort Turn Signals8 g0 y( \2 [% Y* ]7 I3 R4 Q
Byte 02 Bit 2 Cold Lamp Diagnosis active
+ q. ^. W* R6 ]' n s+ lByte 02 Bit 3 Load Management active% F* ]2 ^* m5 m' x
Byte 02 Bit 4 Coming-Home via' h8 X3 u. v+ A% L8 a; b
(1 = Potentiometer / 0 = Adaptation)# B! Z/ o3 x) s- z
Byte 02 Bit 5 Rear Lid Remote Openening
1 O# @: u( T3 p9 K* h) C (1 = Contact activated / 0 = Impuls activated)
; [/ \# y( [1 r8 s# A" nByte 02 Bit 6 Side Turn Signal Lights installed
5 t' F- m" ?/ F; r+ B; _" JByte 02 Bit 7 Seat Heating installed (PR-4A3/4A4)% k+ s) \0 ]: R' [ P
Byte 03 Bit 0 Realy Terminal 15 installed (with 2nd Battery)% T' L N; F, j5 {( D
Byte 03 Bit 1 Rear Fog Lights (1 = 1 active / 0 = 2 active)( v' f) q5 [% X
Byte 03 Bit 2 Reverse Driving Lights (1 = 1 active / 0 = 2 active)& r9 M( L. @& {; n6 v% I
Byte 03 Bit 3 Reverse Driving Light off when Rear Lid open) D" n4 N" w9 z1 o
Byte 03 Bit 4 Xenon-Shutter installed (Bi-Xenon). V& ^; B5 Z0 v; G$ w5 u
Byte 03 Bit 5 Teardrop Wiping active' G; H- k$ K" E+ ^
Byte 03 Bit 6 2nd Battery installed U% F3 H2 J4 P" `$ r
Byte 03 Bit 7 Rear Lights (1 = Back Light/Brake Light dimmed / 0 = Back Light dimmed)8 _$ }% x' T9 x) B$ [
Byte 04 Bit 0 Auxiliary Heating installed
% R, z6 ]6 {8 |9 W7 nByte 04 Bit 1 Auxiliary Heating installed% `; r$ ^3 _/ o7 i1 R. ~
Byte 04 Bit 2 Trailer/Towing Device installed$ E7 O! |0 s# C5 [ p. t
Byte 04 Bit 3 Memory Seats installed5 q" V) B" f! B! j/ j" s8 n
Byte 04 Bit 4 Activation of both Rear Fog Lights
/ i" j. ?6 P9 W; ] o+ ~) eByte 04 Bit 5 Model (0 = Right Hand Drive / 1 = Left Hand Drive)2 N c; B; ?4 }( H8 y8 [( S: r
Byte 04 Bit 6 Rear Fog Lights deactivated5 J3 b' ~. z) T" }) T$ H k* S
Byte 04 Bit 7 Climatronic installed% L0 v( P/ F5 }) ?
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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。3 [. |3 E8 ]7 ?. [" u) \/ J
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
( @! h0 q: ~( c8 rByte 00 Bit 1 Xenon Headlights installed
4 S2 o. S0 k n. f+ w5 Q) _4 _* V) \以及离家和回家大灯
& I1 Z* [' R0 r1 o& ^8 b8 x8 wByte 00 Bit 5 Assistance Driving Light & Leaving Home8 |1 v. Z- c# M! e3 |6 q: N
Byte 00 Bit 7 Coming-Home
) D7 L. u! T. G3 x' e2 v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101000117 M) g& F; ]- c' g4 b% J1 T( y
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。2 f; x- A8 K$ m+ w$ |
这样,再把byte00合并到09功能的长编码去,原来的长编码) G" d/ o- |. P0 e6 E- v1 @& n
018D8F020004100000120C000000000000087F075C7 J7 L( b( o' Y0 S7 @" h+ ^
就变成了
. ^/ m" o) }; }/ d* k0 a" o0 yA38D8F020004100000120C000000000000087F075C
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