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Optimize matrix scanning (#343)

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Eric Tang 2016-05-23 20:42:21 -07:00 • committed by Jack Humbert
parent d66aa0abf9
commit aaa758f1d3
21 changed files with 421 additions and 518 deletions
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61
tmk_core/common/matrix.h
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@ -14,59 +14,68 @@ 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;
#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"
# error "There are too many columns."
#endif
#define MATRIX_IS_ON(row, col) (matrix_get_row(row) && (1<<col))
#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
/* number of matrix rows */
/* counts the number of rows in the matrix */
uint8_t matrix_rows(void);
/* number of matrix columns */
/* counts the number of columns in the matrix */
uint8_t matrix_cols(void);
/* should be called at early stage of startup before matrix_init.(optional) */
/* sets up the matrix before matrix_init */
void matrix_setup(void);
/* intialize matrix for scaning. */
/* intializes the matrix */
void matrix_init(void);
/* scan all key states on matrix */
/* scans the entire matrix */
uint8_t matrix_scan(void);
/* whether modified from previous scan. used after matrix_scan. */
/* checks if the matrix has been modified */
bool matrix_is_modified(void) __attribute__ ((deprecated));
/* whether a swtich is on */
/* checks if a key is pressed */
bool matrix_is_on(uint8_t row, uint8_t col);
/* matrix state on row */
/* inspects the state of a row in the matrix */
matrix_row_t matrix_get_row(uint8_t row);
/* print matrix for debug */
/* prints the matrix for debugging */
void matrix_print(void);
/* power control */
/* 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);
/* keyboard-specific setup/loop functionality */
/* executes code for Quantum */
void matrix_init_quantum(void);
void matrix_scan_quantum(void);
#ifdef __cplusplus
}
#endif