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Diffstat (limited to 'tmk_core/common/keyboard.c')
-rw-r--r-- | tmk_core/common/keyboard.c | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/tmk_core/common/keyboard.c b/tmk_core/common/keyboard.c new file mode 100644 index 0000000000..97a8f1cd8c --- /dev/null +++ b/tmk_core/common/keyboard.c @@ -0,0 +1,240 @@ +/* +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 "eeconfig.h" +#include "backlight.h" +#include "action_layer.h" +#ifdef BOOTMAGIC_ENABLE +# include "bootmagic.h" +#else +# include "magic.h" +#endif +#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 ADB_MOUSE_ENABLE +# include "adb.h" +#endif +#ifdef RGBLIGHT_ENABLE +# include "rgblight.h" +#endif +#ifdef FAUXCLICKY_ENABLE +# include "fauxclicky.h" +#endif +#ifdef SERIAL_LINK_ENABLE +# include "serial_link/system/serial_link.h" +#endif +#ifdef VISUALIZER_ENABLE +# include "visualizer/visualizer.h" +#endif + +#ifdef MATRIX_HAS_GHOST +extern const uint16_t keymaps[][MATRIX_ROWS][MATRIX_COLS]; +static matrix_row_t get_real_keys(uint8_t row, matrix_row_t rowdata){ + matrix_row_t out = 0; + for (uint8_t col = 0; col < MATRIX_COLS; col++) { + //read each key in the row data and check if the keymap defines it as a real key + if (pgm_read_byte(&keymaps[0][row][col]) && (rowdata & (1<<col))){ + //this creates new row data, if a key is defined in the keymap, it will be set here + out |= 1<<col; + } + } + return out; +} + +static inline bool popcount_more_than_one(matrix_row_t rowdata) +{ + rowdata &= rowdata-1; //if there are less than two bits (keys) set, rowdata will become zero + return rowdata; +} + +static inline bool has_ghost_in_row(uint8_t row, matrix_row_t rowdata) +{ + /* No ghost exists when less than 2 keys are down on the row. + If there are "active" blanks in the matrix, the key can't be pressed by the user, + there is no doubt as to which keys are really being pressed. + The ghosts will be ignored, they are KC_NO. */ + rowdata = get_real_keys(row, rowdata); + if ((popcount_more_than_one(rowdata)) == 0){ + return false; + } + /* Ghost occurs when the row shares a column line with other row, + and two columns are read on each row. Blanks in the matrix don't matter, + so they are filtered out. + If there are two or more real keys pressed and they match columns with + at least two of another row's real keys, the row will be ignored. Keep in mind, + we are checking one row at a time, not all of them at once. + */ + for (uint8_t i=0; i < MATRIX_ROWS; i++) { + if (i != row && popcount_more_than_one(get_real_keys(i, matrix_get_row(i)) & rowdata)){ + return true; + } + } + return false; +} + +#endif + +__attribute__ ((weak)) +void matrix_setup(void) { +} + +void keyboard_setup(void) { + matrix_setup(); +} + +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 ADB_MOUSE_ENABLE + adb_mouse_init(); +#endif +#ifdef BOOTMAGIC_ENABLE + bootmagic(); +#else + magic(); +#endif +#ifdef BACKLIGHT_ENABLE + backlight_init(); +#endif +#ifdef RGBLIGHT_ENABLE + rgblight_init(); +#endif +#ifdef FAUXCLICKY_ENABLE + fauxclicky_init(); +#endif +#if defined(NKRO_ENABLE) && defined(FORCE_NKRO) + keymap_config.nkro = 1; +#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]; +#ifdef MATRIX_HAS_GHOST + // static matrix_row_t matrix_ghost[MATRIX_ROWS]; +#endif + 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) { +#ifdef MATRIX_HAS_GHOST + if (has_ghost_in_row(r, matrix_row)) { + /* Keep track of whether ghosted status has changed for + * debugging. But don't update matrix_prev until un-ghosted, or + * the last key would be lost. + */ + //if (debug_matrix && matrix_ghost[r] != matrix_row) { + // matrix_print(); + //} + //matrix_ghost[r] = matrix_row; + continue; + } + //matrix_ghost[r] = matrix_row; +#endif + if (debug_matrix) matrix_print(); + 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 + +#ifdef ADB_MOUSE_ENABLE + adb_mouse_task(); +#endif + +#ifdef SERIAL_LINK_ENABLE + serial_link_update(); +#endif + +#ifdef VISUALIZER_ENABLE + visualizer_update(default_layer_state, layer_state, visualizer_get_mods(), host_keyboard_leds()); +#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); +} |