/* Copyright 2011,2012,2013 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/>. */ #include <stdint.h> #include <util/delay.h> #include "keyboard.h" #include "matrix.h" #include "keymap.h" #include "host.h" #include "led.h" #include "keycode.h" #include "timer.h" #include "print.h" #include "debug.h" #include "command.h" #include "util.h" #include "sendchar.h" #include "bootmagic.h" #include "eeconfig.h" #include "mousekey.h" #include "backlight.h" #ifdef MATRIX_HAS_GHOST static bool has_ghost_in_row(uint8_t row) { matrix_row_t matrix_row = matrix_get_row(row); // No ghost exists when less than 2 keys are down on the row if (((matrix_row - 1) & matrix_row) == 0) return false; // Ghost occurs when the row shares column line with other row for (uint8_t i=0; i < MATRIX_ROWS; i++) { if (i != row && (matrix_get_row(i) & matrix_row)) return true; } return false; } #endif void keyboard_init(void) { // TODO: configuration of sendchar impl print_set_sendchar(sendchar); timer_init(); matrix_init(); #ifdef PS2_MOUSE_ENABLE ps2_mouse_init(); #endif #ifdef BOOTMAGIC_ENABLE bootmagic(); #endif #ifdef BACKLIGHT_ENABLE backlight_init(); #endif } /* * Do keyboard routine jobs: scan mantrix, light LEDs, ... * This is repeatedly called as fast as possible. */ void keyboard_task(void) { static matrix_row_t matrix_prev[MATRIX_ROWS]; static uint8_t led_status = 0; matrix_row_t matrix_row = 0; matrix_row_t matrix_change = 0; matrix_scan(); for (uint8_t r = 0; r < MATRIX_ROWS; r++) { matrix_row = matrix_get_row(r); matrix_change = matrix_row ^ matrix_prev[r]; if (matrix_change) { if (debug_matrix) matrix_print(); #ifdef MATRIX_HAS_GHOST if (has_ghost_in_row(r)) { matrix_prev[r] = matrix_row; continue; } #endif for (uint8_t c = 0; c < MATRIX_COLS; c++) { if (matrix_change & ((matrix_row_t)1<<c)) { action_exec((keyevent_t){ .key = (key_t){ .row = r, .col = c }, .pressed = (matrix_row & ((matrix_row_t)1<<c)), .time = (timer_read() | 1) /* time should not be 0 */ }); // record a processed key matrix_prev[r] ^= ((matrix_row_t)1<<c); // process a key per task call goto MATRIX_LOOP_END; } } } } // call with pseudo tick event when no real key event. action_exec(TICK); MATRIX_LOOP_END: #ifdef MOUSEKEY_ENABLE // mousekey repeat & acceleration mousekey_task(); #endif // update LED if (led_status != host_keyboard_leds()) { led_status = host_keyboard_leds(); keyboard_set_leds(led_status); } } void keyboard_set_leds(uint8_t leds) { if (debug_keyboard) { debug("keyboard_set_led: "); debug_hex8(leds); debug("\n"); } led_set(leds); }