diff options
Diffstat (limited to 'common/keyboard.c')
| -rw-r--r-- | common/keyboard.c | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/common/keyboard.c b/common/keyboard.c new file mode 100644 index 0000000000..1e3fb510a4 --- /dev/null +++ b/common/keyboard.c @@ -0,0 +1,150 @@ +/* +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 "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 "backlight.h" +#ifdef MOUSEKEY_ENABLE +# include "mousekey.h" +#endif +#ifdef PS2_MOUSE_ENABLE +# include "ps2_mouse.h" +#endif +#ifdef SERIAL_MOUSE_ENABLE +#include "serial_mouse.h" +#endif + + +#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) +{ + timer_init(); + matrix_init(); +#ifdef PS2_MOUSE_ENABLE + ps2_mouse_init(); +#endif +#ifdef SERIAL_MOUSE_ENABLE + serial_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 = (keypos_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 + +#ifdef PS2_MOUSE_ENABLE + ps2_mouse_task(); +#endif + +#ifdef SERIAL_MOUSE_ENABLE + serial_mouse_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); +} |