手把手教你使用长编码功能
, q+ X& f/ e! j' O! @ i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:7 h e; ]) o( v- V* \2 l
# A7 [8 J) V3 x) R) ^- }1 i
018D8F020004100000120C000000000000087F075C% ~8 _) j$ I: ^- ?- g
% O1 h: n% i7 R* H& A09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! Y: m |' 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。* O( v) V( @- v& n6 S5 z( Q
# q. P' E0 U6 r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。
+ E6 }' G6 }$ E; a5 u* a9 b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。
1 Q( i, `5 s5 K* K/ R
3 e4 Q& Q1 G4 G6 i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。. T$ f% L) e5 t. g; k# w: O
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。
! d& T# V% U( \1 @4 j& F: ^9 h$ S$ z5 I
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。: _1 s; F/ F) a6 S( C
, O9 x7 a" T' a
Byte 00 Bit 0 Fog Lights installed (PR-8WB)" _ H( H% ^. r
Byte 00 Bit 1 Xenon Headlights installed
# |4 b6 }+ r" A1 o4 Y2 `# mByte 00 Bit 2 Footwell Lights installed (PR-QQ4)
6 O0 |. R) H4 R4 o" R7 f& {/ r5 i, DByte 00 Bit 3 Daytime Running Lights (Scandinavia)+ a9 c+ a# k0 ~
Byte 00 Bit 4 Daytime Running Lights (North America)! G# k, O1 I( q" {3 H0 E3 [' M$ V; S
Byte 00 Bit 5 Assistance Driving Light & Leaving Home
/ n( L9 ]$ M B8 DByte 00 Bit 6 Rain/Light Sensor installed ~4 M8 G6 K) P# x8 ~! s. [
Byte 00 Bit 7 Coming-Home
; g* a7 M0 y# Z. |0 \- fByte 01 Bit 0 Rear Seat Recognition installed
3 B/ F, S# o4 {& E: X kByte 01 Bit 1 Headlight Washer installed (PR-8X1)
9 y/ j ~+ H. X3 DByte 01 Bit 2 Electronic Fuelpump Relay installed (Gasonline only)- y2 M$ e9 o( y+ j3 U
Byte 01 Bit 3 Rear Wiper installed
& Q( }8 y1 l* T0 L$ _) JByte 01 Bit 4 Heated Side Mirror installed5 B1 w3 m& T8 z" d" ^
Byte 01 Bit 5 Rear Lid Remote Opening
$ t: K5 B1 b2 J, dByte 01 Bit 6 Rear Lid Remote Opening - Release1 D' J7 W" q( v) _5 ]
Byte 01 Bit 7 Rear Wiper with Front Wiper continiously active
4 s* _4 G" k: B% R* `7 T! T( iByte 02 Bit 0 Rear Wiper with Front Wiper intermittent active
u- e* R$ g7 E4 YByte 02 Bit 1 Comfort Turn Signals1 T# B2 W3 p2 u) Y0 R
Byte 02 Bit 2 Cold Lamp Diagnosis active
1 d$ x( K' ^ D& f- x, T+ Q, LByte 02 Bit 3 Load Management active$ M+ _" h. |3 g8 H1 J5 A- X+ c
Byte 02 Bit 4 Coming-Home via. C3 H3 Y1 s0 c* S2 B }2 _
(1 = Potentiometer / 0 = Adaptation)
( S/ x" ? I. ?# z# K5 w2 _/ eByte 02 Bit 5 Rear Lid Remote Openening
0 Q; M$ N; w4 ?# C4 u& s- i (1 = Contact activated / 0 = Impuls activated)& r3 \: k8 F8 X3 @8 U5 k
Byte 02 Bit 6 Side Turn Signal Lights installed& G5 q/ M5 A, W7 S: v" W* h
Byte 02 Bit 7 Seat Heating installed (PR-4A3/4A4)0 u6 j. u4 O1 g2 x8 i2 K% v8 [
Byte 03 Bit 0 Realy Terminal 15 installed (with 2nd Battery)/ F/ M3 i. D( @- h" ~! ~9 [
Byte 03 Bit 1 Rear Fog Lights (1 = 1 active / 0 = 2 active)
$ ~9 t2 h; D5 o* QByte 03 Bit 2 Reverse Driving Lights (1 = 1 active / 0 = 2 active)* `* D0 V6 Y% M$ k4 |3 S7 r" Q+ }
Byte 03 Bit 3 Reverse Driving Light off when Rear Lid open
( d8 T- U* x. x5 Y! T5 sByte 03 Bit 4 Xenon-Shutter installed (Bi-Xenon)
7 P7 D4 |, _4 \$ S" EByte 03 Bit 5 Teardrop Wiping active6 K7 m' V, J: i
Byte 03 Bit 6 2nd Battery installed
1 K0 K6 n1 O& p$ b( ~Byte 03 Bit 7 Rear Lights (1 = Back Light/Brake Light dimmed / 0 = Back Light dimmed)6 P6 J2 e9 R( x- `
Byte 04 Bit 0 Auxiliary Heating installed4 _; H. b: q2 O
Byte 04 Bit 1 Auxiliary Heating installed' e4 P, A; I5 _7 {
Byte 04 Bit 2 Trailer/Towing Device installed
# E3 e. `$ G7 O4 ZByte 04 Bit 3 Memory Seats installed4 ^4 r9 y- m- n0 u/ K* q
Byte 04 Bit 4 Activation of both Rear Fog Lights4 Y! G+ }4 f- |& @; U
Byte 04 Bit 5 Model (0 = Right Hand Drive / 1 = Left Hand Drive)
. M9 ]8 }, |% k0 H0 sByte 04 Bit 6 Rear Fog Lights deactivated
% l# t; I5 Y4 _3 N4 p4 aByte 04 Bit 7 Climatronic installed; J8 @: D5 A9 b1 t% `0 ?. {
4 Z$ A: b) E& H1 C% V \/ |3 `…………5 `; ]' p3 O) \3 j0 V
+ \" v3 k$ `2 q+ r( y
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。$ O# W& ~1 `8 }9 m y$ @( u6 r/ {
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
7 l, k9 @ u0 L7 r- U- QByte 00 Bit 1 Xenon Headlights installed- k) z6 g: Z- }. C
以及离家和回家大灯
. A* ^+ A; V! x# o qByte 00 Bit 5 Assistance Driving Light & Leaving Home: g; S. P4 t9 u' Z
Byte 00 Bit 7 Coming-Home [) G% A* C- ]2 T
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
' ~2 O0 _" [6 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。6 a6 D+ K. N' a$ D# P, I5 k
这样,再把byte00合并到09功能的长编码去,原来的长编码- ?) |6 l {# I3 M w- i7 s
018D8F020004100000120C000000000000087F075C7 ^" z0 e* N8 Z, X
就变成了9 f9 a- @$ Z7 K8 Y- V
A38D8F020004100000120C000000000000087F075C0 ~1 ~; ?) @ ^7 q
% j/ L" N7 f& K$ g( a
|