IMX6SX ADC Resistive TouchScreen driver

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IMX6SX ADC Resistive TouchScreen driver

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LPs
Contributor III

Hi all,

  is a touchscreen linux driver available, that use the SoC ADC module instead of an external ADC?

Regards

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igorpadykov
NXP Employee
NXP Employee

Hi LP

i.MX6SX has ADC but it is not designed for touchscreen usage.

Best regards

igor

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LPs
Contributor III

Hi Igorpadykov,

   could you elaborate your answer, please?

Why isn't it designed for that porpose? What is the difference between the SoC ADC module and an external serial ADC?

Thanks

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igorpadykov
NXP Employee
NXP Employee

please refer to Chapter 14 Analog-to-Digital Converter (ADC)

i.MX6SX Reference Manual (rev.0  2/2015) for additional info

http://cache.freescale.com/files/32bit/doc/ref_manual/IMX6SXRM.pdf

~igor

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LPs
Contributor III

Ok,

  due to the ADC module that cannot be used as GPIO.

Thanks

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