zmk/app/include/zmk/matrix.h

46 lines
1.6 KiB
C

/*
* Copyright (c) 2020 The ZMK Contributors
*
* SPDX-License-Identifier: MIT
*/
#pragma once
#include <zephyr/devicetree.h>
#define ZMK_MATRIX_NODE_ID DT_CHOSEN(zmk_kscan)
#define ZMK_MATRIX_HAS_TRANSFORM DT_HAS_CHOSEN(zmk_matrix_transform)
#if DT_HAS_COMPAT_STATUS_OKAY(zmk_physical_layout)
#if ZMK_MATRIX_HAS_TRANSFORM
#error "To use physical layouts, remove the chosen `zmk,matrix-transform` value."
#endif
#define ZMK_PHYSICAL_LAYOUT_BYTE_ARRAY(node_id) \
uint8_t _CONCAT(prop_, node_id)[DT_PROP_LEN(DT_PHANDLE(node_id, transform), map)];
#define ZMK_KEYMAP_LEN \
sizeof(union {DT_FOREACH_STATUS_OKAY(zmk_physical_layout, ZMK_PHYSICAL_LAYOUT_BYTE_ARRAY)})
#elif ZMK_MATRIX_HAS_TRANSFORM
#define ZMK_KEYMAP_TRANSFORM_NODE DT_CHOSEN(zmk_matrix_transform)
#define ZMK_KEYMAP_LEN DT_PROP_LEN(ZMK_KEYMAP_TRANSFORM_NODE, map)
#else /* DT_HAS_CHOSEN(zmk_matrix_transform) */
#if DT_NODE_HAS_PROP(ZMK_MATRIX_NODE_ID, row_gpios)
#define ZMK_MATRIX_ROWS DT_PROP_LEN(ZMK_MATRIX_NODE_ID, row_gpios)
#define ZMK_MATRIX_COLS DT_PROP_LEN(ZMK_MATRIX_NODE_ID, col_gpios)
#elif DT_NODE_HAS_PROP(ZMK_MATRIX_NODE_ID, input_gpios)
#define ZMK_MATRIX_ROWS 1
#define ZMK_MATRIX_COLS DT_PROP_LEN(ZMK_MATRIX_NODE_ID, input_gpios)
#else
#define ZMK_MATRIX_ROWS DT_PROP(ZMK_MATRIX_NODE_ID, rows)
#define ZMK_MATRIX_COLS DT_PROP(ZMK_MATRIX_NODE_ID, columns)
#endif
#define ZMK_KEYMAP_LEN (ZMK_MATRIX_COLS * ZMK_MATRIX_ROWS)
#endif /* !DT_HAS_CHOSEN(zmk_matrix_transform) */