how to compile profgram in PIA 8255 using bascom-AVR software

jai

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« on: March 28, 2008, 06:11:57 06:11 »

im using atmel mega 8535 and another input output interface that is 8255, im using stk 2000 to connect to pc to program using software bascom-AVR. but the program from controller that sent to 8255 not give an signal because there is a problem in my programming that i dont know the cause of it.8255 cannot read and give an output to my 8255 port that is port.a port.b and port.c (as output) and if i set port.d as an input. please help me to give the solution of programming in bascom -AVR..
plz.....

Cry


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Mr Dee

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Re: how to compile profgram in PIA 8255 using bascom-AVR software

« Reply #1 on: March 29, 2008, 06:26:38 06:26 »

maybe your 8255 mode setting is wrong , did you read 8255 datasheet ?


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jai

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Re: how to compile profgram in PIA 8255 using bascom-AVR software

« Reply #2 on: April 04, 2008, 07:39:32 19:39 »

im read on that data sheet..

yup.. actually my programming also wrong..
so i dont know how to solve it..

it seem like that we can write that data..

but the data not read it and not give a feedback signal to controller...


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