# Copyright (c) 2021 Koen Zandberg
#
# This file is subject to the terms and conditions of the GNU Lesser
# General Public License v2.1. See the file LICENSE in the top level
# directory for more details.

menuconfig MODULE_MATRIX_KEYPAD
    bool "Matrix Keypad"
    depends on TEST_KCONFIG
    depends on HAS_PERIPH_GPIO
    select MODULE_PERIPH_GPIO

if MODULE_MATRIX_KEYPAD

config MATRIX_KEYPAD_NUM_ROWS
    int "Number of rows on the matrix keypad"
    default 2

config MATRIX_KEYPAD_NUM_COLUMS
    int "Number of columns on the matrix keypad"
    default 2

config MATRIX_KEYPAD_DEBOUNCE_PATTERN_BEGIN
    hex "Bitmask pattern used for initial state of the switch"
    default 0xC0
    range 0x00 0xFF

config MATRIX_KEYPAD_DEBOUNCE_PATTERN_END
    hex "Bitmask pattern used for next state of the switch"
    default 0x07
    range 0x00 0xFF

config MATRIX_KEYPAD_ROWS_USE_OPEN_DRAIN
    bool "Use open drain output mode for the row GPIOs"
    default n
    help
	This switches the row GPIO mode from plain output mode to output mode
	with open drain. This helps to prevent shorts between GPIO pins when
	using matrix keypad modules without diodes in the switches. When diodes
	are installed with the switches this can safely be set off.

endif # MODULE_MATRIX_KEYPAD

config HAVE_MATRIX_KEYPAD
    bool
    help
        Indicates that a matrix-style keypad is present.