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Forum: ARM programming with GCC/GNU tools Touch screen


Author: Amit Chatre (aseem)
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Hi
  Is anybody has interface a 4 wire resistive touchscreen.

please give some feed back for the same.

Amit

Author: Martin Thomas (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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