手把手教你使用长编码功能0 U6 M' F1 \: l x5 K
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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018D8F020004100000120C000000000000087F075C0 k- p; @" ~1 v7 f% H/ h- j4 M
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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 b0 T* ~" X0 r: V% i- d
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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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。
0 K0 H, q3 D4 z* {0 m9 f& o1 C; k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。# o4 m' e' b) |: E$ G8 u# ^) ~; \
1 ]& Y4 f; K; s( ^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 Y0 C7 f- G" Q0 \5 S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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2 ~# y# A$ d" h k( ?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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4 i# K, \, E7 J7 @Byte 00 Bit 0 Fog Lights installed (PR-8WB)
+ d. [* |9 n8 tByte 00 Bit 1 Xenon Headlights installed: p- M( Y8 M1 V% o) l [* v
Byte 00 Bit 2 Footwell Lights installed (PR-QQ4)
- l' ?% t. \( C7 U& b) D4 F; `( N% ~Byte 00 Bit 3 Daytime Running Lights (Scandinavia)% {" V# W# L3 {( n1 m$ Z% d/ {
Byte 00 Bit 4 Daytime Running Lights (North America)' U6 j* v" f2 j$ o( L
Byte 00 Bit 5 Assistance Driving Light & Leaving Home& e5 Z) M* y/ L/ Z: o
Byte 00 Bit 6 Rain/Light Sensor installed% D$ N! f- ]& B
Byte 00 Bit 7 Coming-Home4 W: m* E- e7 G t0 l7 ]
Byte 01 Bit 0 Rear Seat Recognition installed
- n ^. W% @6 d) g1 }) ?& OByte 01 Bit 1 Headlight Washer installed (PR-8X1)( u9 x1 `5 C% j2 ]/ [4 C" h
Byte 01 Bit 2 Electronic Fuelpump Relay installed (Gasonline only)
3 M1 I! j8 l; E1 r4 B- ^Byte 01 Bit 3 Rear Wiper installed: h& J; A* o/ V2 O. \; y+ @8 W, z! r
Byte 01 Bit 4 Heated Side Mirror installed
. b, w: n% ~& t8 a9 S5 A( TByte 01 Bit 5 Rear Lid Remote Opening3 k" @& |" Z8 z
Byte 01 Bit 6 Rear Lid Remote Opening - Release& Q" x a4 X, A" t1 U$ v
Byte 01 Bit 7 Rear Wiper with Front Wiper continiously active
4 Y) m! i# ^0 ?, \% B0 ?& o) b2 {Byte 02 Bit 0 Rear Wiper with Front Wiper intermittent active; d1 {* ^7 Z1 e- x1 E% G6 {
Byte 02 Bit 1 Comfort Turn Signals
3 c. U3 ~# d: KByte 02 Bit 2 Cold Lamp Diagnosis active
* W/ b5 x8 r! X$ r+ J- T3 GByte 02 Bit 3 Load Management active4 i1 r; U% u3 W0 c" o9 x7 n' T$ p3 z
Byte 02 Bit 4 Coming-Home via( f! d- {; g+ B' L" }6 _7 U! [
(1 = Potentiometer / 0 = Adaptation)8 J; ?- o1 [0 j
Byte 02 Bit 5 Rear Lid Remote Openening
) W- I1 E' R6 \ (1 = Contact activated / 0 = Impuls activated)! U1 f/ ?( ]6 O$ m P/ H
Byte 02 Bit 6 Side Turn Signal Lights installed1 ]1 @6 H1 W% W4 y9 ]$ t
Byte 02 Bit 7 Seat Heating installed (PR-4A3/4A4)/ c* R- S& k9 J1 \" Z5 \, K
Byte 03 Bit 0 Realy Terminal 15 installed (with 2nd Battery)$ c7 q% [; Y, ~; c! l
Byte 03 Bit 1 Rear Fog Lights (1 = 1 active / 0 = 2 active)
- A9 N+ @! x5 e$ U; O5 W. EByte 03 Bit 2 Reverse Driving Lights (1 = 1 active / 0 = 2 active)
- F$ z3 [% H% d( @1 i, OByte 03 Bit 3 Reverse Driving Light off when Rear Lid open, ?/ q/ O3 U4 o5 O9 o
Byte 03 Bit 4 Xenon-Shutter installed (Bi-Xenon)8 k$ y% U A$ t& c4 p3 h7 a1 k! W
Byte 03 Bit 5 Teardrop Wiping active( }, ]% W7 f" b" ] X
Byte 03 Bit 6 2nd Battery installed
. b% f5 f& H4 ~: _& X- TByte 03 Bit 7 Rear Lights (1 = Back Light/Brake Light dimmed / 0 = Back Light dimmed)
' @) r; z' R3 L* q0 r" V lByte 04 Bit 0 Auxiliary Heating installed: A b2 E! a g* j% ?7 F. K3 X
Byte 04 Bit 1 Auxiliary Heating installed
& E* x! W5 R' iByte 04 Bit 2 Trailer/Towing Device installed9 E0 d$ H0 ^8 U# X# h1 l
Byte 04 Bit 3 Memory Seats installed; h& R+ O! X# ^3 |
Byte 04 Bit 4 Activation of both Rear Fog Lights
$ y9 ]5 A3 ~* i* ~7 o$ A( S( fByte 04 Bit 5 Model (0 = Right Hand Drive / 1 = Left Hand Drive)
: u7 ^2 c* v9 T" j3 I. A: H( zByte 04 Bit 6 Rear Fog Lights deactivated
2 a d' g3 _# O+ ZByte 04 Bit 7 Climatronic installed
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+ i" C$ t0 e! [( s6 m' n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。
* Q$ V+ \! d; D" o% a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
# m( B3 h% B, A: R0 p1 G* f5 NByte 00 Bit 1 Xenon Headlights installed6 M6 A6 J0 y! x/ P6 h3 _( j0 p7 x
以及离家和回家大灯4 w; j7 z& @, q8 n0 S
Byte 00 Bit 5 Assistance Driving Light & Leaving Home
9 c. x' {) p" FByte 00 Bit 7 Coming-Home. ?3 O7 d; i, I% w- F
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
7 I1 X+ D6 p7 Y; J$ k- \/ 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。
+ B) Z. l& j7 D% y/ b3 Q6 B这样,再把byte00合并到09功能的长编码去,原来的长编码1 P- f+ Y' q! D: o+ x- G
018D8F020004100000120C000000000000087F075C
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A38D8F020004100000120C000000000000087F075C
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