160 baud ALDL data stream format - reference URL?

[TK]

I implemented the sample method with no problems. I just set a timer to
interrupt at 2x or 3x the bit rate, grab the state of one of the parallel
port inputs and let her rip.

I ran a circular buffer such that I searched for the 9 1's, and then jumped
forward a number of samples to find the bit, skip the first bit, grab the
next 8 bits and stuffed them in another buffer as a byte.

The result is a circular buffer with the data stream. I set it to 50 bytes
and looked for the start byte and displayed the results.

Terry Kelley

-----Original Message-----
From: Ward <wspoonemore at excite.com>
To: gmecm at efi332.eng.ohio-state.edu <gmecm at efi332.eng.ohio-state.edu>
Date: Wednesday, June 02, 1999 9:13 PM
Subject: Re: 160 baud ALDL data stream format - reference URL?


>You may whic to chek out the page on this subject at...
>
>http://www.geocities.com/MotorCity/Shop/9938/baud160.html
>
>This is sync data, somtimes know as NRZ, not like normal UART data. there
>are no breaks in the data stream from the inital sync word untill the end
of
>the data stream
>
>Ward
>
>On Wed, 02 Jun 1999 17:11:14 -0400, jgwynne at mrcday.com wrote:
>
>>
>>
>>    In message <37558F42.2AE9418 at arm.com>, you write:
>>
>> | IMO you guys are making this complicated.  The intent is to sample at a
>> | certain time after the falling edge.
>>
>> That's certainly one approach... although easy to implement, it has
>> its problems....
>>
>> john gwynne
>>
>
>
>
>
>
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