Device initialization parameters. More...

Detailed Description

Device initialization parameters.

Definition at line 140 of file matrix_keypad.h.

Data Fields
gpio_t	rows [CONFIG_MATRIX_KEYPAD_NUM_ROWS]
	GPIO pin array for the rows.

gpio_t	columns [CONFIG_MATRIX_KEYPAD_NUM_COLUMNS]
	GPIO pin array for the columns.

uint32_t	row2col_delay
	Delay in microseconds between configuring the row gpio and reading out the column.

Field Documentation

gpio_t matrix_keypad_params_t::columns[CONFIG_MATRIX_KEYPAD_NUM_COLUMNS]

GPIO pin array for the columns.

GPIO_UNDEF is allowed and scanning is skipped for these.

Definition at line 150 of file matrix_keypad.h.

uint32_t matrix_keypad_params_t::row2col_delay

Delay in microseconds between configuring the row gpio and reading out the column.

Can be zero to skip the delay.

Definition at line 155 of file matrix_keypad.h.

gpio_t matrix_keypad_params_t::rows[CONFIG_MATRIX_KEYPAD_NUM_ROWS]

GPIO pin array for the rows.

GPIO_UNDEF is allowed and scanning is skipped for these.

Definition at line 145 of file matrix_keypad.h.

The documentation for this struct was generated from the following file: