手把手教你使用长编码功能
. `2 V( y X5 }( q5 _# \ A: O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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6 Q) [2 P, a! C, L; V$ ^1 N: ^018D8F020004100000120C000000000000087F075C6 z9 x( w/ l; z: G1 M1 m% i( \
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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
: ]! c" e# V) n6 D# p8 Q' B3 T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。! V3 P6 z6 L* F, R/ I0 v& u' b
e. Q1 l' L: w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。
2 l; s+ `4 S1 m' V' W7 [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。( U9 N- ^" Z1 _- l9 l' z3 _
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。1 {, ^7 U) s# K: G" T7 O% K
, z" C1 d7 b' r" z6 z/ f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。: Y4 g$ F% C1 u. C' E- ?8 d
1 m; y' Q( m4 v% Y5 L( x tByte 00 Bit 0 Fog Lights installed (PR-8WB)8 ?" N* i; H/ }" ]
Byte 00 Bit 1 Xenon Headlights installed
; K& T8 c$ {; VByte 00 Bit 2 Footwell Lights installed (PR-QQ4) G! k$ E5 N; J. F/ t) E/ } C
Byte 00 Bit 3 Daytime Running Lights (Scandinavia)
1 Z# C. H L7 v: w& YByte 00 Bit 4 Daytime Running Lights (North America). S7 s% s) ]* U/ r
Byte 00 Bit 5 Assistance Driving Light & Leaving Home7 x# M, W. z& M. w7 o! l
Byte 00 Bit 6 Rain/Light Sensor installed4 \- m0 ]. ]; p1 n
Byte 00 Bit 7 Coming-Home) Y* S; B* t6 K& y8 g
Byte 01 Bit 0 Rear Seat Recognition installed
T6 ~! X! p' ?: SByte 01 Bit 1 Headlight Washer installed (PR-8X1)& ^% k8 y I# Y, ?( T* m$ l( E: k6 r7 S
Byte 01 Bit 2 Electronic Fuelpump Relay installed (Gasonline only)/ v! ]% \( ~+ K$ _. j' B8 [
Byte 01 Bit 3 Rear Wiper installed
' H* g" s3 j( x' c' FByte 01 Bit 4 Heated Side Mirror installed$ h. K% T0 h' V8 {0 w: C, D
Byte 01 Bit 5 Rear Lid Remote Opening
7 c$ Z$ e4 W: ^Byte 01 Bit 6 Rear Lid Remote Opening - Release
" z" H2 {; e, c# L9 \Byte 01 Bit 7 Rear Wiper with Front Wiper continiously active- ~. S3 b; b' o# O# P0 a
Byte 02 Bit 0 Rear Wiper with Front Wiper intermittent active
; y6 X0 O5 {9 _- z q+ }) v) PByte 02 Bit 1 Comfort Turn Signals
2 o, D+ C1 L; |4 zByte 02 Bit 2 Cold Lamp Diagnosis active5 H/ O. b0 s) I# s8 q& A) v
Byte 02 Bit 3 Load Management active, v; x$ D8 A) g* a
Byte 02 Bit 4 Coming-Home via _! J+ [# _( H8 _* w! G
(1 = Potentiometer / 0 = Adaptation)
' s) B3 u: z. ~. V! C& E9 `Byte 02 Bit 5 Rear Lid Remote Openening: R+ D" M8 p* Z Q# A/ z+ j6 C
(1 = Contact activated / 0 = Impuls activated)
4 d# ]! d4 {. m) L0 ~" ]Byte 02 Bit 6 Side Turn Signal Lights installed% V0 B: V+ \/ L# M) P+ v
Byte 02 Bit 7 Seat Heating installed (PR-4A3/4A4)+ |! q. x/ Z. f, o. V+ @* D
Byte 03 Bit 0 Realy Terminal 15 installed (with 2nd Battery), K7 c1 _% ~3 ?$ g4 O' Q
Byte 03 Bit 1 Rear Fog Lights (1 = 1 active / 0 = 2 active)' ^! q$ j/ S l
Byte 03 Bit 2 Reverse Driving Lights (1 = 1 active / 0 = 2 active); T/ j8 h5 ]$ @
Byte 03 Bit 3 Reverse Driving Light off when Rear Lid open9 }( k0 I' X9 F# k, x0 F
Byte 03 Bit 4 Xenon-Shutter installed (Bi-Xenon) P' w5 N- |. A2 t! s" S
Byte 03 Bit 5 Teardrop Wiping active! J: t! A2 W: b; {5 c8 r1 C
Byte 03 Bit 6 2nd Battery installed
! t2 p' X8 A7 N- wByte 03 Bit 7 Rear Lights (1 = Back Light/Brake Light dimmed / 0 = Back Light dimmed); l9 K% ~9 _8 e: I$ _ ~! {7 e \
Byte 04 Bit 0 Auxiliary Heating installed+ o) L C4 G1 x0 c b
Byte 04 Bit 1 Auxiliary Heating installed
Z# B% J8 o8 z6 R: C/ S6 ]Byte 04 Bit 2 Trailer/Towing Device installed
( i! n& v8 T0 E: s# l$ j3 \Byte 04 Bit 3 Memory Seats installed7 r" [. c; `* o% b
Byte 04 Bit 4 Activation of both Rear Fog Lights5 b. F: b& t. }6 ?! ^9 M8 v
Byte 04 Bit 5 Model (0 = Right Hand Drive / 1 = Left Hand Drive)
8 L3 r6 H2 y. o8 y* R7 dByte 04 Bit 6 Rear Fog Lights deactivated
' F5 p" M2 v4 E- e% i0 |& P% `Byte 04 Bit 7 Climatronic installed% D7 W) i, N2 v3 |3 ]
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…………
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9 z, I8 q* S0 f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。
- b+ L/ n L1 v& O8 {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 b! j7 r9 B9 x. P+ v" v
Byte 00 Bit 1 Xenon Headlights installed
# `: _% P# y% D6 y以及离家和回家大灯5 b1 U' S4 j' }: h
Byte 00 Bit 5 Assistance Driving Light & Leaving Home
8 w% P* X. z' P7 K) qByte 00 Bit 7 Coming-Home. z! @; R. ~$ s8 E0 Y- p
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
$ i2 b E% n g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。+ U3 v! @1 J; {+ o7 v8 b+ Z
这样,再把byte00合并到09功能的长编码去,原来的长编码
. }' J% f, r* q9 o018D8F020004100000120C000000000000087F075C" Z$ Y% Y; _0 b( _) w q" ^
就变成了
+ \: H" c2 _9 {1 U! a E6 MA38D8F020004100000120C000000000000087F075C
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