手把手教你使用长编码功能
" c* X% z( |3 V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:' k7 W$ K, Y9 x# z
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018D8F020004100000120C000000000000087F075C N: U @) I* x& y. X
* b# q/ ^4 c5 v3 k09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
! r0 Q W- h' [$ u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。2 j/ X' m! F+ {
2 i) m+ n, @. e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。4 S6 H7 n. f6 C, b2 N5 c; K4 [1 q" D
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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2 Y @2 x$ L6 @$ k K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。& a" f: }1 B/ t* Z& y- 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。7 f q4 o% H& _ d5 k
3 J6 d" H P) w1 D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。' c) k! x9 i' c2 s! {3 y
" @2 Q/ y' s! i/ s' {Byte 00 Bit 0 Fog Lights installed (PR-8WB)' z, ?! o) d% o. r
Byte 00 Bit 1 Xenon Headlights installed w' D0 T8 j0 N9 @! G
Byte 00 Bit 2 Footwell Lights installed (PR-QQ4)% n4 t/ q' @/ K* M0 n
Byte 00 Bit 3 Daytime Running Lights (Scandinavia)
, X6 T7 \$ {6 a8 F7 i+ U0 B) c$ E% fByte 00 Bit 4 Daytime Running Lights (North America)+ p$ x0 z) e# [8 s W) y/ a
Byte 00 Bit 5 Assistance Driving Light & Leaving Home
/ \7 L3 {9 d6 |. l( ZByte 00 Bit 6 Rain/Light Sensor installed1 L* L( `, X: N! B" U- S# [
Byte 00 Bit 7 Coming-Home4 P; e$ ?! c3 C: s0 H+ a; G2 k
Byte 01 Bit 0 Rear Seat Recognition installed
' F0 w" R! Y: W7 O' b) N7 UByte 01 Bit 1 Headlight Washer installed (PR-8X1)* v& V; i9 V$ g- O
Byte 01 Bit 2 Electronic Fuelpump Relay installed (Gasonline only)+ H$ F4 c+ s% X1 _8 i' X
Byte 01 Bit 3 Rear Wiper installed
# ]* i! q& Y3 E: w& T* IByte 01 Bit 4 Heated Side Mirror installed
$ Y5 a6 q' z4 u, A" u) sByte 01 Bit 5 Rear Lid Remote Opening
2 L. |. j( l P; E8 {1 EByte 01 Bit 6 Rear Lid Remote Opening - Release" u9 J& r& u! {) o4 Z: p, J% m l
Byte 01 Bit 7 Rear Wiper with Front Wiper continiously active) S3 p1 m* p$ v9 h {' S
Byte 02 Bit 0 Rear Wiper with Front Wiper intermittent active
/ |' b1 z% X/ R* Y4 n% fByte 02 Bit 1 Comfort Turn Signals
6 V- ?3 }9 ~7 J7 {Byte 02 Bit 2 Cold Lamp Diagnosis active
$ I" p6 P. V5 @1 c2 CByte 02 Bit 3 Load Management active7 w) D% }1 {+ i, S8 L
Byte 02 Bit 4 Coming-Home via6 |, l- d) c5 W
(1 = Potentiometer / 0 = Adaptation)9 f/ I6 e2 }0 [& O1 D
Byte 02 Bit 5 Rear Lid Remote Openening8 a0 o1 \. |5 T( o" l
(1 = Contact activated / 0 = Impuls activated)
0 W" W! F/ A9 }3 B* ZByte 02 Bit 6 Side Turn Signal Lights installed
. I6 H2 f; M9 a! x" ?Byte 02 Bit 7 Seat Heating installed (PR-4A3/4A4)
1 U& m) |2 @3 K e/ KByte 03 Bit 0 Realy Terminal 15 installed (with 2nd Battery)# C* {% {" ^. I! U
Byte 03 Bit 1 Rear Fog Lights (1 = 1 active / 0 = 2 active)5 r$ L. p. s$ w) p: O- T
Byte 03 Bit 2 Reverse Driving Lights (1 = 1 active / 0 = 2 active)% o, C# p4 B( [3 j
Byte 03 Bit 3 Reverse Driving Light off when Rear Lid open* b- g# `5 J e; p1 M
Byte 03 Bit 4 Xenon-Shutter installed (Bi-Xenon)# `3 o6 f3 B( c6 A& [0 Q: e1 T
Byte 03 Bit 5 Teardrop Wiping active
% x$ P. @+ x( ?" `2 m' ZByte 03 Bit 6 2nd Battery installed
% b, E8 ^ @: s# AByte 03 Bit 7 Rear Lights (1 = Back Light/Brake Light dimmed / 0 = Back Light dimmed)9 n* ^) F+ E/ I
Byte 04 Bit 0 Auxiliary Heating installed9 h7 A. p$ _/ P: m3 i( _# [
Byte 04 Bit 1 Auxiliary Heating installed
! G: E) c# \7 \; Z9 gByte 04 Bit 2 Trailer/Towing Device installed
7 n, y/ b$ o2 G# R" ~Byte 04 Bit 3 Memory Seats installed' k+ Q1 V1 g z) a( c$ x1 g+ P" {
Byte 04 Bit 4 Activation of both Rear Fog Lights/ ^: ?/ k7 V0 t
Byte 04 Bit 5 Model (0 = Right Hand Drive / 1 = Left Hand Drive)
0 n. p/ r/ I6 x6 c# o1 ^3 M. R& z* HByte 04 Bit 6 Rear Fog Lights deactivated+ {) M+ D. o6 v% e, `
Byte 04 Bit 7 Climatronic installed. A0 `1 ~0 z3 C; c& X3 b" b5 z
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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。0 f% c6 O v* q) m4 X! g
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
L9 R( _& \/ r! ?Byte 00 Bit 1 Xenon Headlights installed& ~8 F) K p) o1 q* k% g
以及离家和回家大灯
+ _. E% Q0 v; f, N, k) r6 {0 rByte 00 Bit 5 Assistance Driving Light & Leaving Home
4 y% I3 |1 z* LByte 00 Bit 7 Coming-Home
# ~/ U# o" H1 c: C* I" m: G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
% T. l6 W, F0 H* x7 U* }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。
# v3 b# e& G+ ~- `, p' ]) ]* k% D这样,再把byte00合并到09功能的长编码去,原来的长编码3 ^! A* R2 \+ F" y A( V$ Y8 W
018D8F020004100000120C000000000000087F075C& Y, B8 ~$ D5 R/ W
就变成了8 Y+ T2 H# y# ?: i+ j8 ~
A38D8F020004100000120C000000000000087F075C
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