USB - Parallel port ATMEL flash uc programmer

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Tuscan's Avatar (by Gravatar)Tuscan posted on
February 28, 2006, 4:14 am
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hey guys, i recently wanted to program an atmel 89s52 uc, so i sifted
through my electronic junk and found one i had built in college.
However this one was to be used with a parallel port and my new laptop
doesn't have one. i am thinking of buying (or better still, building) a
usb to parallel converter. However i'm not sure whether the software(
aec software NZ's programmer) which worked in DOS can be used in winXP
with the usb driver. Any suggestions are welcome.(i'm ready to build a
serial port version if that can make life a bit easier!)


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Donald's Avatar (by Gravatar)Donald posted on
February 28, 2006, 8:56 pm
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Re: USB - Parallel port ATMEL flash uc programmer


Software that uses a parallel port has direct access to the hardware.

USB does not.

The DOS/WIN software will _NOT_ work with any USB device.


donald

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gaurav054's Avatar (by Gravatar)gaurav054 posted on
March 1, 2006, 10:04 pm
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Re: USB - Parallel port ATMEL flash uc programmer

the usb to parallel port converter emulates a parallel port(lpt1) in
windows XP. windows xp runs DOS programs(having direct port access) in
a special virtual mode. What is not clear is whether a call such as
outport(888,'a');(in turbo c) when made under winXP will be properly
directed to the usb-parallel converter's driver which will set/clear
required pins on the physical db25 cparallel connector.


Donald's Avatar (by Gravatar)Donald posted on
March 1, 2006, 11:09 pm
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Re: USB - Parallel port ATMEL flash uc programmer


Which make and model do you think does this.

I will buy one today if this is really true.

Thanks

Donald

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