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'[PIC]: PC based transition recorder?'
2003\06\10@142551 by Harold Hallikainen

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Resending with tag!

Anyone have a DOS program that I could use as a data transition recorder? I wrote one a long time ago (under CP/M). I want to watch a parallel port (in input mode) for changes on the 8 data lines. On any change, the new value would be stored in memory. When the program is stopped, the data would be saved to disk as 8 bit binary, eight ones and zeroes per line. I could then print the whole mess out and see a long string of SPI commands. Or, any other sort of SPI monitor would be great!

THANKS!

Harold


FCC Rules Online at http://www.hallikainen.com/FccRules/


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2003\06\11@032458 by Brian Clewer

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Harold,
I have some source code on my site which enables you to display the contents
of the parallel port on the screen FWIW.  It's written in Borland C with
lots of comments.
http://www3.mistral.co.uk/brian.clewer/code.htm

Regards,
Brian

{Original Message removed}

2003\06\11@130134 by Harold Hallikainen

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Thanks! That's a start. The hardware people just built another unit and everything started working, so I may not need to do some deep SPI recording... But, I'll keep your notes and adapt them to my needs should the need arise!

Thanks!

Harold


FCC Rules Online at http://www.hallikainen.com/FccRules/



--- Brian Clewer <.....brianclewerKILLspamspam@spam@UK2.NET> wrote:

Harold,
I have some source code on my site which enables you to display the contents
of the parallel port on the screen FWIW.  It's written in Borland C with
lots of comments.
http://www3.mistral.co.uk/brian.clewer/code.htm

Regards,
Brian

{Original Message removed}

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