vrf曼彻斯特代码

嘿伙计们，有没有人写过编码/解码曼彻斯特数据的程序？
我需要对具有64位流的设备进行编程和回读.Clock = 15.625 Hz，因此位时间为64ms。
总计measasge = 4.096 s.Start 4 bitsMessage 52 bitsChecksum 4 bitsGap4 bits任何帮助表示赞赏。
ThanksJoe MarsigliaUnison Industries ---您目前订阅了vrf：r***@soco.agilent.com要订阅，请发送电子邮件至：“vrf-request@lists.it.agilent.com”，邮件正文中包含subscribe一词。
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     以下为原文

  Hey guys,

Has anybody written a program to encode/decode Manchester data?  I need to program and read back a device that has a 64 bit stream.
Clock = 15.625 Hz so bit time is 64ms. Total meaasge = 4.096 s.

Start           4 bits
Message      52 bits
Checksum      4 bits
Gap          4 bits

Any help is appreciated.  Thanks

Joe Marsiglia
Unison Industries


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     以下为原文

  
Search the "unofficial vrf archive" at "www.oswegosw.com/vrf_archive/".

肖恩，非常感谢你。
你的榜样很棒。
所以现在我已经拥有了我需要的代码，我想了解它。
因此有几个问题。
我在Dan Appleman的win32 api书中查找了RegOpenKey。
我假设Registry.LocalMachine.OpenSubKey等同于RegOpenKey。
对吗？这会返回键的句柄？
还是一个regkey对象？
或者这是samr的事情吗？你在密钥上使用点运算符的下一行意味着它是一个对象，但regOpenKey不返回object.kevin -----原始消息-----来自：Shawn Fessenden
[mailto：shawnfess@comcast.net]发送时间：2006年4月5日星期三10:28 AM：VRFS主题：RE：[vrf]在VEE中使用.NET从注册表中读取计算机描述>我正在输入文本/字符串
它正在寻找一个regkey对象？啊，一个问题就像请求一样发送.Folks，这里有一个完美的例子，说明OO如何搞砸你。
必要的信息隐藏在课堂上。
如果你在这种情况下使用.NET或ActiveX并不重要 - 两者都同样模糊不清。是的，它正在寻找一个RegistryKey。
所有注册表函数都将开放键的句柄作为第一个参数。
除非您习惯使用advapi32的实际功能，否则这一点并不明显。
第一个参数是HKLMSYSTEMCurrentControlSetServiceslanmanserverparameters“。注意它不是”ControlSet001“ - 总是使用CurrentControlSet。这实际上是一个两步过程。首先你必须打开”SYSTEMCurrentControlSetServiceslanmanserverparameters“。在这种情况下先前打开的键是HKLM。当然，你
不知道除非你阅读了RegOpenKey的文档，你发现HKEY_LOCAL_MACHINE是一个常量。>从winreg.h你发现HKLM是0x80000002。不幸的是你有>把它转换成RegistryKey。幸运的是，程序集有
静态LocalMachine值，它已经是一个开放的密钥。这一切都或多或少地向后工作，所以它是这样的：key = Registry.LocalMachine.OpenSubKey（“SYSTEM  CurrentControlSet  Services  lanmanserver  parameters”）; comment = key.GetValue（
“srvcomment”，asClrType（“No comment”，System.Object））;为什么要使用C API呢？因为*是*所有功能都来自的地方。一旦你理解了你的理解
以及几乎任何其他方式查看API，包括ActiveX，.NET和其他任何可能会让它变得丑陋的头脑。-SHAWN ----您目前订阅的是vrf：KSalter@kdsengineering.com要订阅请发送
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     以下为原文

  Shawn,
Thank you very much. Your example was great.  So now that I have code that does what I need I'd like to understand it.  Thus a few questions.
I looked up RegOpenKey in Dan Appleman's win32 api book.  I assume Registry.LocalMachine.OpenSubKey is the equivalent to RegOpenKey.  Right?
This returns a handle to the key? Or a regkey object?  Or is this the samr thing?
The next line where you use the dot operator on key would imply its an object but the regOpenKey doesn't return an object.
kevin

-----Original Message-----
From: Shawn Fessenden [mailto:shawnfess@comcast.net]
Sent: Wednesday, April 05, 2006 10:28 AM
To: VRF
Subject: RE: [vrf] reading the computer description from the registry using .NET in VEE

> I'm entering a text/string its looking for a regkey object?

Ah, a problem sent as if by request.

Folks, here's a perfect example of how OO can mess you up. The necessary information is hidden in the class. And it doesn't matter if you're using .NET or ActiveX in this case - both are equally obscure.

Yup, it's looking for a RegistryKey. All the registry functions take a handle to an open key as the first parameter. This is not apparent unless you're use to using the real functions from advapi32. The first parameter is HKLMSYSTEMCurrentControlSetServiceslanmanserverparameters". Note that it's not "ControlSet001" - always use CurrentControlSet.

This is actually a two step process. First you have to open "SYSTEMCurrentControlSetServiceslanmanserverparameters". The previously opened key in this case is HKLM. Of course, you don't know that unless you read the documentation for RegOpenKey, in which you find that HKEY_LOCAL_MACHINE is a constant.

>From winreg.h you find that HKLM is 0x80000002. Unfortunately you have
>to
turn that into a RegistryKey. Fortunately the assembly has the static LocalMachine value that's already an open key. This all works backwards more or less, so it goes like this:

key =
Registry.LocalMachine.OpenSubKey("SYSTEMCurrentControlSetServiceslanma
nserverparameters");
comment = key.GetValue("srvcomment", asClrType("No comment", System.Object));

Why bother using the C API? Because *that's* where all the functionality comes from. Once you understand that you understand nearly any other way of looking at the API including ActiveX, .NET and anything else that is likely to rear it's ugly head.
-SHAWN-

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RE：[vrf]曼彻斯特码不是曼彻斯特码编码在时钟系统下传输比特的基本方式.....在1系列中飙升，并为下一系列的0 sp下降.......
压缩可能50％.....或者这就是为什么我在数字系统中得到D？问候，来自：Shawn Fessenden [mailto：shawnfess@comcast.net]发送：Thu 06/04/2006 18:27To：VRFSubject：
RE：[vrf]曼彻斯特码>有人编写了一个程序来编码/解码曼彻斯特数据吗？
什么是物理层？
（不，我没有做过，我只是很好奇）-SHAWN- ---您目前订阅了vrf：r***@soco.agilent.com要订阅，请发送电子邮件至：“vrf-request @ lists。
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     以下为原文

  RE: [vrf] Manchester CodeIsn't manchester encoding a fundamental way of transporting bits under a clock system.....spike up for a series of 1's, ans spike down for the next series of 0's.......compression possibly 50% .....or is that why I got a D in digital systems? Regards,From: Shawn Fessenden [mailto:shawnfess@comcast.net]Sent: Thu 06/04/2006 18:27To: VRFSubject: RE: [vrf] Manchester Code> Has anybody written a program to > encode/decode Manchester data? What's the physical layer? (no I haven't done it, I'm just curious) -SHAWN- ---You are currently subscribed to vrf as: [email=r***@soco.agilent.com]r***@soco.agilent.com[/email]To subscribe please send an email to: "vrf-request@lists.it.agilent.com" with the word subscribe in the message body.To unsubscribe send a blank email to "leave-vrf@it.lists.it.agilent.com".To send messages to this mailing list,  email "vrf@agilent.com".  If you need help with the mailing list send a message to"owner-vrf@it.lists.it.agilent.com".Search the "unofficial vrf archive" at "www.oswegosw.com/vrf_archive/".

曼彻斯特编码不是一种在时钟系统下传输比特的基本方式.....在一系列1的情况下飙升，并且为下一系列的0's下降.......压缩可能是50％Â。
....或者，这就是为什么我在数字系统中得到D？ÂRegards，Â_____Â来自：Shawn Fessenden [mailto：shawnfess@comcast.net]发送：Thu 06/04/2006 18:27到：VRFS主题：RE：[
vrf]曼彻斯特代码>有没有人编写过程序来编码/解码曼彻斯特数据？
什么是物理层？
（不，我没有做过，我只是很好奇）-SHAWN- ---要订阅，请发送电子邮件至：“vrf-request@lists.it.agilent.com”，邮件正文中包含“subscribe”字样
。
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     以下为原文

  Isn't manchester encoding a fundamental way of transporting bits under a clock system.....spike up for a series of 1's, ans spike down for the next series of 0's.......compression possibly 50%
 
.....or is that why I got a D in digital systems?
 
Regards,

  _____  

From: Shawn Fessenden [mailto:shawnfess@comcast.net]
Sent: Thu 06/04/2006 18:27
To: VRF
Subject: RE: [vrf] Manchester Code



> Has anybody written a program to
> encode/decode Manchester data?

What's the physical layer?
(no I haven't done it, I'm just curious)
-SHAWN-


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>有没有人写过程序来编码/解码曼彻斯特数据？什么是物理层？（不，我没有做过，我只是好奇）-SHAWN-



     以下为原文

  > Has anybody written a program to
> encode/decode Manchester data?

What's the physical layer?
(no I haven't done it, I'm just curious)
-SHAWN-