- /*
- Copyright 2012 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/>.
- */
-
- /*
- * scan matrix
- */
- #include <stdint.h>
- #include <stdbool.h>
- #include <avr/io.h>
- #include "wait.h"
- #include "print.h"
- #include "debug.h"
- #include "util.h"
- #include "matrix.h"
- #include "split_util.h"
- #include "config.h"
- #include "timer.h"
-
- // Copy this code to split_common/matrix.c,
- // and call it instead of the unoptimized col_reader. Scan-rate jumps from 1200->1920
- // Also remove the sleep_us(30), not necessary for this keyboard.
- // In usb_descriptor.c, set .PollingIntervalMS = 0x01
- #define ROW_SHIFTER ((uint8_t)1)
- inline static matrix_row_t optimized_col_reader(void) {
- //MATRIX_COL_PINS { B6, B2, B3, B1, F7, F6, F5, F4 }
- return (PINB & (1 << 6) ? 0 : (ROW_SHIFTER << 0)) |
- (PINB & (1 << 2) ? 0 : (ROW_SHIFTER << 1)) |
- (PINB & (1 << 3) ? 0 : (ROW_SHIFTER << 2)) |
- (PINB & (1 << 1) ? 0 : (ROW_SHIFTER << 3)) |
- (PINF & (1 << 7) ? 0 : (ROW_SHIFTER << 4)) |
- (PINF & (1 << 6) ? 0 : (ROW_SHIFTER << 5)) |
- (PINF & (1 << 5) ? 0 : (ROW_SHIFTER << 6)) |
- (PINF & (1 << 4) ? 0 : (ROW_SHIFTER << 7));
- }
-
-
|