/* 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)); }