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Forum: ARM programming with GCC/GNU tools Touch screen


Touch screen
von Amit C. (aseem)

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Hi
  Is anybody has interface a 4 wire resistive touchscreen.

please give some feed back for the same.

Amit

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Re: Touch screen
von Martin T. (mthomas) (Moderator)

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Amit Chatre wrote:
> Hi
>   Is anybody has interface a 4 wire resistive touchscreen.

If the used microcontroller has in internal ADC and the ADC pins can
also be configured as GPIOs you can used the method described in several
documents available in the net i.e. slaa384 from TI. There are also
rather inexpensive ready-made touchscreen controllers with digital
interface available.

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