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PC keybard interface with 8051


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vamanan



Joined: 09 Aug 2005
Posts: 136
Helped: 6
Location: India the Great


Post19 Sep 2005 8:09   

code for interfacing microcontroller with pc


Can anybody guide me in interfacing pc keyboard with 8051 controller.
Thanking you in advance
Regards,
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khongai



Joined: 20 May 2005
Posts: 245
Helped: 5


Post19 Sep 2005 8:21   

Re: PC keybard interface with 8051


try this:
http://www.semiconductors.philips.com/acrobat_download/applicationnotes/AN434.pdf.

good luck.
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IanP



Joined: 05 Oct 2004
Posts: 6490
Helped: 1542
Location: West Coast


Post19 Sep 2005 8:56   

Re: PC keybard interface with 8051


The example from AN34 from Philips is written in assembly code and contains quite a lot of useless sections on I2C conversion, but if you carefuly extract code on reading keyboard and converting to ASCII you should be fine ..
If you, however, prefer code in C try this one:
http://www.edaboard.com/viewtopic.php?t=73597&highlight=ps2+8051
Regards,
IanP
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wek



Joined: 21 Dec 2004
Posts: 239
Helped: 26


Post19 Sep 2005 9:05   

PC keybard interface with 8051


http://www.8052.com/codelib/kb.asm

wek
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idlebrain



Joined: 20 Jul 2005
Posts: 112
Helped: 19


Post19 Sep 2005 9:55   

Re: PC keybard interface with 8051


very good info is available in beyondlogic website

http://www.beyondlogic.org/keyboard/keybrd.htm

Circuit and sample code in assembly is given for HC05 micro. It can be easily converted it C/ASM for 8051. Protocol is also explained.

Check this application notes from atmel for avr micro
http://www.atmel.com/dyn/resources/prod_documents/DOC1235.PDF
AVR micro interfaced with standard serial port, a sample C code is also provided.


Cheers
idlebrain
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Post19 Sep 2005 9:55   

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fnovoac



Joined: 01 Oct 2005
Posts: 12


Post07 Oct 2005 7:14   

Re: PC keybard interface with 8051


do you have the program in pic basic o basic stamp???
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