Difference between revisions of "Keypad usage on i.MX27"

Revision as of 22:26, 4 December 2009

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Introduction

The i.MX27 has an internal controller that can drive 8x8 keypads (= 64 keys with 16 dedicated pins). Please consult the i.MX27 Reference Manual (Chapter 25) for more informations.

Hardware

To build matrix keypads: TBDL...

Driver usage

Driver is installed by default in releases > 3.2. If you have a previous release please consult the discussion tab of this page

# modprobe mxc_keypad

Test

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