1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283 |
- /*
- Copyright 2011 Jun Wako <[email protected]>
-
- 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 "There are too many columns."
- #endif
-
- #if DIODE_DIRECTION == ROW2COL
- # if MATRIX_ROWS <= 8
- typedef uint8_t matrix_col_t;
- # elif MATRIX_ROWS <= 16
- typedef uint16_t matrix_col_t;
- # elif MATRIX_ROWS <= 32
- typedef uint32_t matrix_col_t;
- # else
- # error "There are too many rows."
- # endif
- #endif
-
- typedef struct {
- uint8_t input_addr:4;
- uint8_t bit:4;
- } io_pin_t;
-
- #ifdef __cplusplus
- extern "C" {
- #endif
- /* counts the number of rows in the matrix */
- uint8_t matrix_rows(void);
- /* counts the number of columns in the matrix */
- uint8_t matrix_cols(void);
- /* sets up the matrix before matrix_init */
- void matrix_setup(void);
- /* intializes the matrix */
- void matrix_init(void);
- /* scans the entire matrix */
- uint8_t matrix_scan(void);
- /* checks if the matrix has been modified */
- bool matrix_is_modified(void) __attribute__ ((deprecated));
- /* checks if a key is pressed */
- bool matrix_is_on(uint8_t row, uint8_t col);
- /* inspects the state of a row in the matrix */
- matrix_row_t matrix_get_row(uint8_t row);
- /* prints the matrix for debugging */
- void matrix_print(void);
- /* counts the total number of keys pressed */
- uint8_t matrix_key_count(void);
- /* controls power to the matrix */
- void matrix_power_up(void);
- void matrix_power_down(void);
- /* executes code for Quantum */
- void matrix_init_quantum(void);
- void matrix_scan_quantum(void);
- #ifdef __cplusplus
- }
- #endif
-
- #endif
|