手把手教你使用长编码功能
2 l' A8 x# E4 R y3 N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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: G' E: T/ Q4 p! \) P' ~7 Y018D8F020004100000120C000000000000087F075C8 M. D* H) t' D* @/ G
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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
8 h; `: L2 F4 Q+ W' F8 R- 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。
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( {- P4 D4 U+ Q7 l9 d3 }- P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。
$ C6 p$ s; r) q3 M3 x6 b5 `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 s: _$ R1 g( k; ^0 J2 w
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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。
O8 q5 T) L. 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。
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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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Byte 00 Bit 0 Fog Lights installed (PR-8WB)
3 j& X7 @! X0 f! OByte 00 Bit 1 Xenon Headlights installed* c' L9 s) ~4 ~0 R
Byte 00 Bit 2 Footwell Lights installed (PR-QQ4)+ v6 o3 w' f ]6 q" {1 H0 P
Byte 00 Bit 3 Daytime Running Lights (Scandinavia)
# m6 T; `, x9 k' V2 [5 zByte 00 Bit 4 Daytime Running Lights (North America)
; p( `; V# l$ J7 d& ^Byte 00 Bit 5 Assistance Driving Light & Leaving Home' }9 J" `# P% A
Byte 00 Bit 6 Rain/Light Sensor installed$ \# Y5 H; o9 h" J6 g
Byte 00 Bit 7 Coming-Home
1 g3 X- O% g X: f2 I) DByte 01 Bit 0 Rear Seat Recognition installed3 a% B! j+ J ~# q
Byte 01 Bit 1 Headlight Washer installed (PR-8X1)
; G9 r5 I5 A1 X% a/ G; m* T0 yByte 01 Bit 2 Electronic Fuelpump Relay installed (Gasonline only)5 [( L7 Z9 w) r0 k- F" v% C
Byte 01 Bit 3 Rear Wiper installed# g4 z. `' ?, m% F! F! j% k
Byte 01 Bit 4 Heated Side Mirror installed
1 i$ @( W/ K9 L' \3 ~Byte 01 Bit 5 Rear Lid Remote Opening
, g/ _7 @% r/ {, I$ N7 ?, _ vByte 01 Bit 6 Rear Lid Remote Opening - Release
( R) d: ? u2 a( l# dByte 01 Bit 7 Rear Wiper with Front Wiper continiously active2 \" O& O; _; a+ ^& ?
Byte 02 Bit 0 Rear Wiper with Front Wiper intermittent active9 w) t" ^* Z0 }# A) g, J& [% {0 |
Byte 02 Bit 1 Comfort Turn Signals
* m+ S! x4 n% t. |& S* J3 P7 tByte 02 Bit 2 Cold Lamp Diagnosis active
& c+ K: [. p3 v! ^Byte 02 Bit 3 Load Management active9 B0 _ O$ O/ \% H1 {: d* Z: D' y
Byte 02 Bit 4 Coming-Home via
! z& W# @0 h" ]+ D/ F& h" F (1 = Potentiometer / 0 = Adaptation)
, _2 r* e/ z! {& P- G' ^Byte 02 Bit 5 Rear Lid Remote Openening
5 Y3 {8 s& ]" r! K. B (1 = Contact activated / 0 = Impuls activated)( s. z, r" S) O1 b5 A
Byte 02 Bit 6 Side Turn Signal Lights installed) |) N" \# { Z& N- K7 [3 b
Byte 02 Bit 7 Seat Heating installed (PR-4A3/4A4)
7 b$ A0 n u+ Z- K+ SByte 03 Bit 0 Realy Terminal 15 installed (with 2nd Battery), `9 j- l/ X6 R* s
Byte 03 Bit 1 Rear Fog Lights (1 = 1 active / 0 = 2 active)
& O5 d3 }" |2 r0 n4 }2 R$ p8 GByte 03 Bit 2 Reverse Driving Lights (1 = 1 active / 0 = 2 active)
$ G+ `, {8 q4 |" ]1 L3 xByte 03 Bit 3 Reverse Driving Light off when Rear Lid open
' t9 }, u) a( q8 m. p6 x+ PByte 03 Bit 4 Xenon-Shutter installed (Bi-Xenon)
$ g( L7 U1 ]+ o6 ?1 k' a' CByte 03 Bit 5 Teardrop Wiping active
# o% i# s c9 g! E- m7 NByte 03 Bit 6 2nd Battery installed
+ f, P& y+ Y& \# \7 @Byte 03 Bit 7 Rear Lights (1 = Back Light/Brake Light dimmed / 0 = Back Light dimmed)
" T4 G6 B1 A4 V' ~Byte 04 Bit 0 Auxiliary Heating installed9 x# K2 ]4 g4 ]/ v+ h! g! B
Byte 04 Bit 1 Auxiliary Heating installed
9 K; P4 _! P5 g8 Q5 `# w. T! bByte 04 Bit 2 Trailer/Towing Device installed4 N$ Z/ k! z' N8 {2 e5 v
Byte 04 Bit 3 Memory Seats installed
; m3 o" n9 y8 J2 L5 VByte 04 Bit 4 Activation of both Rear Fog Lights
+ h- q6 w9 }/ t' AByte 04 Bit 5 Model (0 = Right Hand Drive / 1 = Left Hand Drive)- s o9 _9 r: B5 H
Byte 04 Bit 6 Rear Fog Lights deactivated1 Y; R' v5 v7 P A: i
Byte 04 Bit 7 Climatronic installed
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$ [8 p, x* s( [. ]) [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。
/ n @% Q2 E7 a6 e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' T' P' F3 j+ H/ i( A
Byte 00 Bit 1 Xenon Headlights installed% _0 k; U/ M* `6 ~- U
以及离家和回家大灯
: |& K0 M/ K( H9 w- d7 ]Byte 00 Bit 5 Assistance Driving Light & Leaving Home
& t5 O1 k/ ~' P+ j9 DByte 00 Bit 7 Coming-Home
) v# t* |* w2 g9 p5 y8 @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
, f0 t& G1 Z6 x2 B( y% X$ M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。
) K0 i; t8 c+ Z b5 j7 G这样,再把byte00合并到09功能的长编码去,原来的长编码
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就变成了
( Z, H" c, Z2 h4 o0 u( t v3 j6 XA38D8F020004100000120C000000000000087F075C
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