中华锁艺人
标题:
手把手教你使用长编码功能1
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作者:
zoml0146
时间:
2014-12-25 15:55
标题:
手把手教你使用长编码功能1
手把手教你使用长编码功能
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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
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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
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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。
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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。
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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)
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Byte 00 Bit 1 Xenon Headlights installed
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Byte 00 Bit 2 Footwell Lights installed (PR-QQ4)
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Byte 00 Bit 3 Daytime Running Lights (Scandinavia)
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Byte 00 Bit 4 Daytime Running Lights (North America)
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Byte 00 Bit 5 Assistance Driving Light & Leaving Home
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Byte 00 Bit 6 Rain/Light Sensor installed
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Byte 00 Bit 7 Coming-Home
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Byte 01 Bit 0 Rear Seat Recognition installed
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Byte 01 Bit 1 Headlight Washer installed (PR-8X1)
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Byte 01 Bit 2 Electronic Fuelpump Relay installed (Gasonline only)
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Byte 01 Bit 3 Rear Wiper installed
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Byte 01 Bit 4 Heated Side Mirror installed
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Byte 01 Bit 5 Rear Lid Remote Opening
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Byte 01 Bit 6 Rear Lid Remote Opening - Release
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Byte 01 Bit 7 Rear Wiper with Front Wiper continiously active
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Byte 02 Bit 0 Rear Wiper with Front Wiper intermittent active
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Byte 02 Bit 1 Comfort Turn Signals
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Byte 02 Bit 2 Cold Lamp Diagnosis active
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Byte 02 Bit 3 Load Management active
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Byte 02 Bit 4 Coming-Home via
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(1 = Potentiometer / 0 = Adaptation)
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Byte 02 Bit 5 Rear Lid Remote Openening
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(1 = Contact activated / 0 = Impuls activated)
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Byte 02 Bit 6 Side Turn Signal Lights installed
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Byte 02 Bit 7 Seat Heating installed (PR-4A3/4A4)
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Byte 03 Bit 0 Realy Terminal 15 installed (with 2nd Battery)
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Byte 03 Bit 1 Rear Fog Lights (1 = 1 active / 0 = 2 active)
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Byte 03 Bit 2 Reverse Driving Lights (1 = 1 active / 0 = 2 active)
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Byte 03 Bit 3 Reverse Driving Light off when Rear Lid open
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Byte 03 Bit 4 Xenon-Shutter installed (Bi-Xenon)
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Byte 03 Bit 5 Teardrop Wiping active
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Byte 03 Bit 6 2nd Battery installed
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Byte 03 Bit 7 Rear Lights (1 = Back Light/Brake Light dimmed / 0 = Back Light dimmed)
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Byte 04 Bit 0 Auxiliary Heating installed
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Byte 04 Bit 1 Auxiliary Heating installed
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Byte 04 Bit 2 Trailer/Towing Device installed
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Byte 04 Bit 3 Memory Seats installed
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Byte 04 Bit 4 Activation of both Rear Fog Lights
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Byte 04 Bit 5 Model (0 = Right Hand Drive / 1 = Left Hand Drive)
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Byte 04 Bit 6 Rear Fog Lights deactivated
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Byte 04 Bit 7 Climatronic installed
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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。
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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
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Byte 00 Bit 1 Xenon Headlights installed
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以及离家和回家大灯
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Byte 00 Bit 5 Assistance Driving Light & Leaving Home
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Byte 00 Bit 7 Coming-Home
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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
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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。
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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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018D8F020004100000120C000000000000087F075C
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就变成了
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A38D8F020004100000120C000000000000087F075C
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