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48 lines
1.3 KiB
Plaintext
48 lines
1.3 KiB
Plaintext
# Copyright (c) 2021 Koen Zandberg
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#
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# This file is subject to the terms and conditions of the GNU Lesser
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# General Public License v2.1. See the file LICENSE in the top level
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# directory for more details.
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menuconfig MODULE_MATRIX_KEYPAD
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bool "Matrix Keypad"
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depends on TEST_KCONFIG
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depends on HAS_PERIPH_GPIO
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select MODULE_PERIPH_GPIO
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if MODULE_MATRIX_KEYPAD
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config MATRIX_KEYPAD_NUM_ROWS
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int "Number of rows on the matrix keypad"
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default 2
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config MATRIX_KEYPAD_NUM_COLUMS
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int "Number of columns on the matrix keypad"
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default 2
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config MATRIX_KEYPAD_DEBOUNCE_PATTERN_BEGIN
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hex "Bitmask pattern used for initial state of the switch"
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default 0xC0
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range 0x00 0xFF
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config MATRIX_KEYPAD_DEBOUNCE_PATTERN_END
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hex "Bitmask pattern used for next state of the switch"
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default 0x07
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range 0x00 0xFF
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config MATRIX_KEYPAD_ROWS_USE_OPEN_DRAIN
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bool "Use open drain output mode for the row GPIOs"
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default n
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help
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This switches the row GPIO mode from plain output mode to output mode
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with open drain. This helps to prevent shorts between GPIO pins when
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using matrix keypad modules without diodes in the switches. When diodes
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are installed with the switches this can safely be set off.
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endif # MODULE_MATRIX_KEYPAD
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config HAVE_MATRIX_KEYPAD
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bool
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help
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Indicates that a matrix-style keypad is present.
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