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authortmk <hasu@tmk-kbd.com>2015-04-10 01:32:04 +0900
committertmk <hasu@tmk-kbd.com>2015-04-10 01:32:04 +0900
commit1a02ebcc612e9a9c0d87e02295c7258de3a70ccc (patch)
treee517f3c70bb2d542797e57d13e9023c84af230fb /tmk_core/common/matrix.h
parent6746e37088ce8ba03529c1226bd216705edb2b1f (diff)
parenta074364c3731d66b56d988c8a6c960a83ea0e0a1 (diff)
Merge commit 'a074364c3731d66b56d988c8a6c960a83ea0e0a1' as 'tmk_core'
Diffstat (limited to 'tmk_core/common/matrix.h')
-rw-r--r--tmk_core/common/matrix.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/tmk_core/common/matrix.h b/tmk_core/common/matrix.h
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+/*
+Copyright 2011 Jun Wako <wakojun@gmail.com>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef MATRIX_H
+#define MATRIX_H
+
+#include <stdint.h>
+#include <stdbool.h>
+
+
+#if (MATRIX_COLS <= 8)
+typedef uint8_t matrix_row_t;
+#elif (MATRIX_COLS <= 16)
+typedef uint16_t matrix_row_t;
+#elif (MATRIX_COLS <= 32)
+typedef uint32_t matrix_row_t;
+#else
+#error "MATRIX_COLS: invalid value"
+#endif
+
+#define MATRIX_IS_ON(row, col) (matrix_get_row(row) && (1<<col))
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* number of matrix rows */
+uint8_t matrix_rows(void);
+/* number of matrix columns */
+uint8_t matrix_cols(void);
+/* intialize matrix for scaning. should be called once. */
+void matrix_init(void);
+/* scan all key states on matrix */
+uint8_t matrix_scan(void);
+/* whether modified from previous scan. used after matrix_scan. */
+bool matrix_is_modified(void) __attribute__ ((deprecated));
+/* whether a swtich is on */
+bool matrix_is_on(uint8_t row, uint8_t col);
+/* matrix state on row */
+matrix_row_t matrix_get_row(uint8_t row);
+/* print matrix for debug */
+void matrix_print(void);
+
+
+/* power control */
+void matrix_power_up(void);
+void matrix_power_down(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif