手把手教你使用长编码功能
/ P, a# M5 W3 Q' ]1 {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:8 P8 p5 x+ H, M6 `& y* ?/ Y0 y8 V
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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
4 i i5 o- ?" d. ]8 h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。- w9 k$ N# F8 ~7 ^9 n7 k/ i
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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。9 V3 B# h+ _& K9 I" j4 e8 o
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。( @- O$ N, d. O3 f9 y! x
; e( M0 X- h4 d" h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 t1 |- C( K. O+ _: l
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。
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$ f7 _8 {; c$ s* ]Byte 00 Bit 0 Fog Lights installed (PR-8WB)9 T6 b/ l: I7 f; I/ A" {
Byte 00 Bit 1 Xenon Headlights installed( |: O/ `' z! p0 z M
Byte 00 Bit 2 Footwell Lights installed (PR-QQ4)
6 V2 r- X8 R9 M1 JByte 00 Bit 3 Daytime Running Lights (Scandinavia)
7 X z; R# f) K4 V" CByte 00 Bit 4 Daytime Running Lights (North America)
$ g3 ~" S8 h! K) x% IByte 00 Bit 5 Assistance Driving Light & Leaving Home! Z* n& D5 _4 C" X2 E% J' e# v
Byte 00 Bit 6 Rain/Light Sensor installed
; C* e$ C- ^# [, H, W; d/ vByte 00 Bit 7 Coming-Home/ X2 ? |8 A! P
Byte 01 Bit 0 Rear Seat Recognition installed
) S5 N3 h) \, MByte 01 Bit 1 Headlight Washer installed (PR-8X1)* u7 V# A4 v; E' }4 Q
Byte 01 Bit 2 Electronic Fuelpump Relay installed (Gasonline only)
. q( u2 M& J4 h5 u% h2 nByte 01 Bit 3 Rear Wiper installed
' t6 I: H* A+ R6 R2 rByte 01 Bit 4 Heated Side Mirror installed
8 e) x e: ~: t) ^! t! L: A6 e9 p' pByte 01 Bit 5 Rear Lid Remote Opening
- F/ S% U# }& v' GByte 01 Bit 6 Rear Lid Remote Opening - Release: y0 E3 C4 H8 k# w1 G
Byte 01 Bit 7 Rear Wiper with Front Wiper continiously active* I6 B6 f+ r9 C9 u! A' }
Byte 02 Bit 0 Rear Wiper with Front Wiper intermittent active
- k; x1 l) c0 b8 T1 vByte 02 Bit 1 Comfort Turn Signals
* |; ~6 o; W8 H0 F) jByte 02 Bit 2 Cold Lamp Diagnosis active) O+ m2 C0 u. V1 J
Byte 02 Bit 3 Load Management active O/ ]; ]0 \7 V: x6 \& k
Byte 02 Bit 4 Coming-Home via
/ p% }9 g" k7 Z- ^: @ (1 = Potentiometer / 0 = Adaptation)- @3 y4 |+ B7 m) o+ L9 s
Byte 02 Bit 5 Rear Lid Remote Openening
6 x3 z) v2 V5 \" L! N& x (1 = Contact activated / 0 = Impuls activated)+ O& a! ] X7 X1 c, M
Byte 02 Bit 6 Side Turn Signal Lights installed D! z3 A& l6 g; L
Byte 02 Bit 7 Seat Heating installed (PR-4A3/4A4)9 S6 Z; O+ d% S1 n% I# B! I
Byte 03 Bit 0 Realy Terminal 15 installed (with 2nd Battery)
. H7 y7 y8 l5 bByte 03 Bit 1 Rear Fog Lights (1 = 1 active / 0 = 2 active)
& E: o- i; R# EByte 03 Bit 2 Reverse Driving Lights (1 = 1 active / 0 = 2 active)# E: ^% n6 C! L4 K
Byte 03 Bit 3 Reverse Driving Light off when Rear Lid open
9 Q4 x; n+ s: YByte 03 Bit 4 Xenon-Shutter installed (Bi-Xenon) k4 s/ d$ L/ t, U
Byte 03 Bit 5 Teardrop Wiping active
! C* k+ a7 b( d$ `$ E# bByte 03 Bit 6 2nd Battery installed8 j% E- e* i, @3 [" b! g
Byte 03 Bit 7 Rear Lights (1 = Back Light/Brake Light dimmed / 0 = Back Light dimmed)! a; {2 O3 f. w( a' X! c, n
Byte 04 Bit 0 Auxiliary Heating installed* f+ r, Q8 ]) [
Byte 04 Bit 1 Auxiliary Heating installed
- G3 @% W0 f2 Y Q/ XByte 04 Bit 2 Trailer/Towing Device installed3 X7 ]( |9 P2 l9 j
Byte 04 Bit 3 Memory Seats installed9 y4 {! ^' f4 K! R
Byte 04 Bit 4 Activation of both Rear Fog Lights! D: v. x# S! m9 H+ c: [( N8 d
Byte 04 Bit 5 Model (0 = Right Hand Drive / 1 = Left Hand Drive)
; w+ U. f2 R9 k' k5 h- u6 BByte 04 Bit 6 Rear Fog Lights deactivated
! W$ ~. U: h( ?( n& Y8 F3 eByte 04 Bit 7 Climatronic installed
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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。5 E2 g0 m( R' {4 U1 z
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( i7 W; n" k# e6 Q7 V
Byte 00 Bit 1 Xenon Headlights installed
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6 O0 z6 i0 e! R5 XByte 00 Bit 5 Assistance Driving Light & Leaving Home' D) d/ G& Q3 z( B2 k4 ~, i: S1 m
Byte 00 Bit 7 Coming-Home1 }, f( [8 W4 _
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$ F5 n b, w O N
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。. u2 @. U1 r" G; z% e5 Z
这样,再把byte00合并到09功能的长编码去,原来的长编码- s5 L% o1 @, j5 t3 \
018D8F020004100000120C000000000000087F075C
* Q: Q# f* [& h0 f: m就变成了. b' `: c; @! g. Q
A38D8F020004100000120C000000000000087F075C$ S3 p/ G3 Y' e- [/ k* z( X
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