JHD12864E graphics lcd interfacing with LPC2148

hi i m trying to interface a graphics lcd jhd12864e with LPC2148 having arm7 core..i was able to interface it with 89v51rd2 successfully but it does not work with arm..can any one provide some consultancy regarding this..also if any one has worked using the same lcd please give me tour email id for contact..

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  • If the algorithm is correct - is it doing the same things as the 8051 version? - then you have to suspect the timings. Your ARM implementation may be too fast.

    What have you done to debug the issue?

    By the way - not too many people are interested in giving out any email address.

    1 - we don't want spam.

    2 - help given by mail will not be accessible to others, unless sent through a public mailing list.

    3 - most people helping out on this forum are professional software developers. Which means we normally sends invoices or gets salaries for our professional work. Being private tutors, for free, is normally not what we do on our spare time.

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  • If the algorithm is correct - is it doing the same things as the 8051 version? - then you have to suspect the timings. Your ARM implementation may be too fast.

    What have you done to debug the issue?

    By the way - not too many people are interested in giving out any email address.

    1 - we don't want spam.

    2 - help given by mail will not be accessible to others, unless sent through a public mailing list.

    3 - most people helping out on this forum are professional software developers. Which means we normally sends invoices or gets salaries for our professional work. Being private tutors, for free, is normally not what we do on our spare time.

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