手把手教你使用长编码功能
0 Z+ D4 _) P7 M3 R; a& b2 J1 A1 P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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018D8F020004100000120C000000000000087F075C# w ]) p* k Z/ I5 R- {9 {+ _
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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 b; U' J$ |8 a' ?& 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。 f- g3 \( H5 w- r
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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。- K" v% ^; G: E# P
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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- `6 j' P% \1 r6 B9 Z) ^! C5 m) `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。8 N& v( G9 {/ E o' M
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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& W) f3 U/ L% Y* \0 q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。2 o* Y8 S$ ~9 \- l- `
) h3 J: y, x0 e3 _1 ^Byte 00 Bit 0 Fog Lights installed (PR-8WB)
& v2 y, S: G: L5 lByte 00 Bit 1 Xenon Headlights installed$ \( C9 ^& S J0 h0 y
Byte 00 Bit 2 Footwell Lights installed (PR-QQ4)3 l9 h/ K* g( e2 c0 B/ B3 F. M
Byte 00 Bit 3 Daytime Running Lights (Scandinavia)4 c' g: C+ O2 u! F8 Z7 n% R
Byte 00 Bit 4 Daytime Running Lights (North America)
m; G% ~. m! b m% [Byte 00 Bit 5 Assistance Driving Light & Leaving Home `) Z4 F5 E. v+ n) R
Byte 00 Bit 6 Rain/Light Sensor installed
( E W2 ^! Z0 x9 v* lByte 00 Bit 7 Coming-Home- }* [; b. ]& m% P- }9 {9 A
Byte 01 Bit 0 Rear Seat Recognition installed+ _0 H' a2 R+ F! q
Byte 01 Bit 1 Headlight Washer installed (PR-8X1)7 N: U' h% m0 E" G2 ]
Byte 01 Bit 2 Electronic Fuelpump Relay installed (Gasonline only)
) A, A# @8 e' q6 M3 @0 |Byte 01 Bit 3 Rear Wiper installed7 i2 Z8 G; @* G+ R( R
Byte 01 Bit 4 Heated Side Mirror installed. j" D' n1 E! N' v' |/ h
Byte 01 Bit 5 Rear Lid Remote Opening
6 x0 \( v9 K4 A. I" X4 uByte 01 Bit 6 Rear Lid Remote Opening - Release+ a o, {6 m9 r( ]& H; s
Byte 01 Bit 7 Rear Wiper with Front Wiper continiously active |" }* T# s. W! j* `7 J5 X% f# w5 D
Byte 02 Bit 0 Rear Wiper with Front Wiper intermittent active
, C" P+ @, s' v' S' M8 y0 ^Byte 02 Bit 1 Comfort Turn Signals7 n3 P8 y" l% O. Q0 y' O
Byte 02 Bit 2 Cold Lamp Diagnosis active# z- ]$ y' w# Q
Byte 02 Bit 3 Load Management active5 ^% N3 Z7 |! J
Byte 02 Bit 4 Coming-Home via
$ c3 E1 O! n F (1 = Potentiometer / 0 = Adaptation)2 K8 E: f: y& G1 k: B* C, m
Byte 02 Bit 5 Rear Lid Remote Openening6 s4 [/ a: F$ F
(1 = Contact activated / 0 = Impuls activated)" }' [: |. j* U- {3 r& H
Byte 02 Bit 6 Side Turn Signal Lights installed
' @$ r. I; K# CByte 02 Bit 7 Seat Heating installed (PR-4A3/4A4)8 d% G% c) V# V$ [0 O0 m- d
Byte 03 Bit 0 Realy Terminal 15 installed (with 2nd Battery)
6 v/ P/ ~/ f' e$ T: W1 FByte 03 Bit 1 Rear Fog Lights (1 = 1 active / 0 = 2 active)4 V, ?9 J t* x0 m
Byte 03 Bit 2 Reverse Driving Lights (1 = 1 active / 0 = 2 active)( \( U2 \9 P4 R; z
Byte 03 Bit 3 Reverse Driving Light off when Rear Lid open
* ^) l. z% s2 Z) ^Byte 03 Bit 4 Xenon-Shutter installed (Bi-Xenon)
7 u' m+ u8 v! |$ m* ]Byte 03 Bit 5 Teardrop Wiping active
2 ~2 E4 t8 p) V9 Z/ f1 u4 _+ XByte 03 Bit 6 2nd Battery installed' J+ X4 u9 m( o; V$ b8 [' s7 b( l
Byte 03 Bit 7 Rear Lights (1 = Back Light/Brake Light dimmed / 0 = Back Light dimmed)
; s) {7 l ~4 ZByte 04 Bit 0 Auxiliary Heating installed1 T; `: M5 M+ F" D
Byte 04 Bit 1 Auxiliary Heating installed# a5 j% ~$ O8 s, t" Q. j
Byte 04 Bit 2 Trailer/Towing Device installed
) A, r- r3 n! n9 G, [9 T! a7 ]: FByte 04 Bit 3 Memory Seats installed; i: y2 X3 ^1 ]8 _ ? ?, O
Byte 04 Bit 4 Activation of both Rear Fog Lights7 J8 X& r" `8 T+ U, L" \5 J- {- h
Byte 04 Bit 5 Model (0 = Right Hand Drive / 1 = Left Hand Drive)/ ?& G/ _ l: P& g/ Q+ q! ^* `/ F
Byte 04 Bit 6 Rear Fog Lights deactivated
" q' ?' u! Q0 Z- MByte 04 Bit 7 Climatronic installed- q ?/ B; v, u, h. p
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1 m0 }) w; \7 s+ L6 m5 \) t8 j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。
. P$ e% \* n T: f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
/ E7 Q+ \# z" s8 R0 IByte 00 Bit 1 Xenon Headlights installed
! ~& J# v8 a" |5 c. B+ f) w以及离家和回家大灯
. o' O( `/ Y' K, {# j6 U, `Byte 00 Bit 5 Assistance Driving Light & Leaving Home
. M9 i* L: ]3 q Y% bByte 00 Bit 7 Coming-Home
$ T% m! @: L t- p# F: i. J& E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101000111 k0 `' R* f' v2 k- }
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。- N# L/ }6 ~$ R/ g* q: P! h
这样,再把byte00合并到09功能的长编码去,原来的长编码
% }8 o9 D j4 E4 h6 e018D8F020004100000120C000000000000087F075C
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A38D8F020004100000120C000000000000087F075C# |' m! @ E8 M
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