/*
-Copyright 2011 Jun Wako <wakojun@gmail.com>
+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
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 "debug.h"
#include "command.h"
#include "util.h"
-#ifdef MOUSEKEY_ENABLE
+#include "sendchar.h"
+#include "bootmagic.h"
+#include "eeconfig.h"
#include "mousekey.h"
-#endif
-#ifdef EXTRAKEY_ENABLE
-#include <util/delay.h>
-#endif
-
-
-#define LAYER_DELAY 250
-
-typedef enum keykind {
- NONE,
- FN_DOWN, FN_UP,
- FNK_DOWN, FNK_UP,
- KEY_DOWN, KEY_UP,
- MOD_DOWN, MOD_UP,
-} keykind_t;
-
-typedef enum { IDLE, DELAYING, WAITING, PRESSING } kbdstate_t;
-
-
-uint8_t current_layer = 0;
-uint8_t default_layer = 0;
-
-/* keyboard internal states */
-static kbdstate_t kbdstate = IDLE;
-static uint8_t fn_state_bits = 0;
-static keyrecord_t delayed_fn;
-static keyrecord_t waiting_key;
-
-
-static const char *state_str(kbdstate_t state)
-{
- if (state == IDLE) return PSTR("IDLE");
- if (state == DELAYING) return PSTR("DELAYING");
- if (state == WAITING) return PSTR("WAITING");
- if (state == PRESSING) return PSTR("PRESSING");
- return PSTR("UNKNOWN");
-}
-
-static inline keykind_t get_keykind(uint8_t code, bool pressed)
-{
- if IS_KEY(code) return (pressed ? KEY_DOWN : KEY_UP);
- if IS_MOD(code) return (pressed ? MOD_DOWN : MOD_UP);
- if IS_FN(code) {
- if (keymap_fn_keycode(FN_INDEX(code)))
- return (pressed ? FNK_DOWN : FNK_UP);
- else
- return (pressed ? FN_DOWN : FN_UP);
- }
- if IS_MOUSEKEY(code) return (pressed ? KEY_DOWN : KEY_UP);
- if IS_SYSTEM(code) return (pressed ? KEY_DOWN : KEY_UP);
- if IS_CONSUMER(code) return (pressed ? KEY_DOWN : KEY_UP);
- return NONE;
-}
-
-static void clear_keyboard(void)
-{
- host_clear_keys();
- host_clear_mods();
- host_send_keyboard_report();
-
- host_system_send(0);
- host_consumer_send(0);
-
-#ifdef MOUSEKEY_ENABLE
- mousekey_clear();
- mousekey_send();
-#endif
-}
-
-static void clear_keyboard_but_mods(void)
-{
- host_clear_keys();
- host_send_keyboard_report();
- host_system_send(0);
- host_consumer_send(0);
-
-#ifdef MOUSEKEY_ENABLE
- mousekey_clear();
- mousekey_send();
-#endif
-}
-
-static void layer_switch_on(uint8_t code)
-{
- if (!IS_FN(code)) return;
- fn_state_bits |= FN_BIT(code);
- if (current_layer != keymap_fn_layer(FN_INDEX(code))) {
- clear_keyboard_but_mods();
-
- debug("Layer Switch(on): "); debug_hex(current_layer);
- current_layer = keymap_fn_layer(FN_INDEX(code));
- debug(" -> "); debug_hex(current_layer); debug("\n");
- }
-}
-static void layer_switch_off(uint8_t code)
+#ifdef MATRIX_HAS_GHOST
+static bool has_ghost_in_row(uint8_t row)
{
- if (!IS_FN(code)) return;
- fn_state_bits &= ~FN_BIT(code);
- if (current_layer != keymap_fn_layer(biton(fn_state_bits))) {
- clear_keyboard_but_mods();
+ 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;
- debug("Layer Switch(off): "); debug_hex(current_layer);
- current_layer = keymap_fn_layer(biton(fn_state_bits));
- debug(" -> "); debug_hex(current_layer); debug("\n");
- }
-}
-
-// whether any key except modifier is down or not
-static inline bool is_anykey_down(void)
-{
- for (int r = 0; r < MATRIX_ROWS; r++) {
- matrix_row_t matrix_row = matrix_get_row(r);
- for (int c = 0; c < MATRIX_COLS; c++) {
- if (matrix_row && (1<<c)) {
- if (IS_KEY(keymap_get_keycode(current_layer, r, c))) {
- return true;
- }
- }
- }
+ // 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;
}
-
-static void register_code(uint8_t code)
-{
- if IS_KEY(code) {
- host_add_key(code);
- host_send_keyboard_report();
- }
- else if IS_MOD(code) {
- host_add_mod_bit(MOD_BIT(code));
- host_send_keyboard_report();
- }
- else if IS_MOUSEKEY(code) {
-#ifdef MOUSEKEY_ENABLE
- mousekey_on(code);
- mousekey_send();
#endif
- }
- else if IS_CONSUMER(code) {
- uint16_t usage = 0;
- switch (code) {
- case KC_AUDIO_MUTE:
- usage = AUDIO_MUTE;
- break;
- case KC_AUDIO_VOL_UP:
- usage = AUDIO_VOL_UP;
- break;
- case KC_AUDIO_VOL_DOWN:
- usage = AUDIO_VOL_DOWN;
- break;
- case KC_MEDIA_NEXT_TRACK:
- usage = TRANSPORT_NEXT_TRACK;
- break;
- case KC_MEDIA_PREV_TRACK:
- usage = TRANSPORT_PREV_TRACK;
- break;
- case KC_MEDIA_STOP:
- usage = TRANSPORT_STOP;
- break;
- case KC_MEDIA_PLAY_PAUSE:
- usage = TRANSPORT_PLAY_PAUSE;
- break;
- case KC_MEDIA_SELECT:
- usage = AL_CC_CONFIG;
- break;
- case KC_MAIL:
- usage = AL_EMAIL;
- break;
- case KC_CALCULATOR:
- usage = AL_CALCULATOR;
- break;
- case KC_MY_COMPUTER:
- usage = AL_LOCAL_BROWSER;
- break;
- case KC_WWW_SEARCH:
- usage = AC_SEARCH;
- break;
- case KC_WWW_HOME:
- usage = AC_HOME;
- break;
- case KC_WWW_BACK:
- usage = AC_BACK;
- break;
- case KC_WWW_FORWARD:
- usage = AC_FORWARD;
- break;
- case KC_WWW_STOP:
- usage = AC_STOP;
- break;
- case KC_WWW_REFRESH:
- usage = AC_REFRESH;
- break;
- case KC_WWW_FAVORITES:
- usage = AC_BOOKMARKS;
- break;
- }
- host_consumer_send(usage);
- }
- else if IS_SYSTEM(code) {
- uint16_t usage = 0;
- switch (code) {
- case KC_SYSTEM_POWER:
- usage = SYSTEM_POWER_DOWN;
- break;
- case KC_SYSTEM_SLEEP:
- usage = SYSTEM_SLEEP;
- break;
- case KC_SYSTEM_WAKE:
- usage = SYSTEM_WAKE_UP;
- break;
- }
- host_system_send(usage);
- }
-}
-
-static void unregister_code(uint8_t code)
-{
- if IS_KEY(code) {
- host_del_key(code);
- host_send_keyboard_report();
- }
- else if IS_MOD(code) {
- host_del_mod_bit(MOD_BIT(code));
- host_send_keyboard_report();
- }
- else if IS_MOUSEKEY(code) {
-#ifdef MOUSEKEY_ENABLE
- mousekey_off(code);
- mousekey_send();
-#endif
- }
- else if IS_CONSUMER(code) {
- host_consumer_send(0x0000);
- }
- else if IS_SYSTEM(code) {
- host_system_send(0x0000);
- }
-}
-
-/*
- *
- * Event/State|IDLE DELAYING[f] WAITING[f,k] PRESSING
- * -----------+------------------------------------------------------------------
- * Fn Down |IDLE(L+) WAITING(Sk) WAITING(Sk) -
- * Up |IDLE(L-) IDLE(L-) IDLE(L-) IDLE(L-)
- * Fnk Down |DELAYING(Sf) WAITING(Sk) WAINTING(Sk) PRESSING(Rf)
- * Up |IDLE(L-) IDLE(Rf,Uf) IDLE(Rf,Ps,Uf)*3 PRESSING(Uf)
- * Key Down |PRESSING(Rk) WAITING(Sk) WAITING(Sk) PRESSING(Rk)
- * Up |IDLE(Uk) DELAYING(Uk) IDLE(L+,Ps,Uk) IDLE(Uk)*4
- * Delay |- IDLE(L+) IDLE(L+,Ps) -
- * |
- * No key Down|IDLE(Ld) IDLE(Ld) IDLE(Ld) IDLE(Ld)
- *
- * *2: register Fnk if any key is pressing
- * *3: when Fnk == Stored Fnk, if not ignore.
- * *4: when no registered key any more
- *
- * States:
- * IDLE:
- * DELAYING: delay layer switch after pressing Fn with alt keycode
- * WAITING: key is pressed during DELAYING
- *
- * Events:
- * Fn: Fn key without alternative keycode
- * Fnk: Fn key with alternative keycode
- * -: ignore
- *
- * Actions:
- * Rk: register key
- * Uk: unregister key
- * Rf: register stored Fn(alt keycode)
- * Uf: unregister stored Fn(alt keycode)
- * Rs: register stored key
- * Us: unregister stored key
- * Sk: store key
- * Sf: store Fn
- * Ps: play stored key(Interpret stored key and transit state)
- * L+: Switch to new layer(*unregister* all keys but modifiers)
- * L-: Switch back to last layer(*unregister* all keys but modifiers)
- * Ld: Switch back to default layer(*unregister* all keys but modifiers)
- */
-#define NEXT(state) do { \
- debug("NEXT: "); print_P(state_str(kbdstate)); \
- kbdstate = state; \
- debug(" -> "); print_P(state_str(kbdstate)); debug("\n"); \
-} while (0)
-
-static inline void process_key(keyevent_t event)
-{
- uint8_t code = keymap_get_keycode(current_layer, event.key.row, event.key.col);
- keykind_t kind = get_keykind(code, event.pressed);
-
- uint8_t tmp_mods;
-
- debug("state: "); print_P(state_str(kbdstate));
- debug(" kind: "); debug_hex(kind);
- debug(" code: "); debug_hex(code);
- if (event.pressed) { debug("d"); } else { debug("u"); }
- debug("\n");
-
- switch (kbdstate) {
- case IDLE:
- switch (kind) {
- case FN_DOWN:
- layer_switch_on(code);
- break;
- case FN_UP:
- layer_switch_off(code);
- break;
- case FNK_DOWN:
- // repeat Fn alt key when press Fn key down, up then down again quickly
- if (KEYEQ(delayed_fn.event.key, event.key) &&
- timer_elapsed(delayed_fn.time) < LAYER_DELAY) {
- register_code(keymap_fn_keycode(FN_INDEX(code)));
- NEXT(PRESSING);
- } else {
- delayed_fn = (keyrecord_t) {
- .event = event,
- .code = code,
- .mods = keyboard_report->mods,
- .time = timer_read()
- };
- NEXT(DELAYING);
- }
- break;
- case FNK_UP:
- layer_switch_off(code);
- break;
- case KEY_DOWN:
- register_code(code);
- NEXT(PRESSING);
- break;
- case MOD_DOWN:
- register_code(code);
- break;
- case KEY_UP:
- case MOD_UP:
- unregister_code(code);
- break;
- default:
- break;
- }
- break;
- case PRESSING:
- switch (kind) {
- case FN_DOWN:
- // ignored when any key is pressed
- break;
- case FN_UP:
- layer_switch_off(code);
- NEXT(IDLE);
- break;
- case FNK_DOWN:
- register_code(keymap_fn_keycode(FN_INDEX(code)));
- break;
- case FNK_UP:
- // can't know whether layer switched or not
- layer_switch_off(code);
- unregister_code(keymap_fn_keycode(FN_INDEX(code)));
- break;
- case KEY_DOWN:
- case MOD_DOWN:
- register_code(code);
- break;
- case KEY_UP:
- case MOD_UP:
- unregister_code(code);
- // TODO: no key registered? mousekey, mediakey, systemkey
- if (!host_has_anykey())
- NEXT(IDLE);
- break;
- default:
- break;
- }
- break;
- case DELAYING:
- switch (kind) {
- case FN_DOWN:
- case FNK_DOWN:
- case KEY_DOWN:
- waiting_key = (keyrecord_t) {
- .event = event,
- .code = code,
- .mods = keyboard_report->mods,
- .time = timer_read()
- };
- NEXT(WAITING);
- break;
- case MOD_DOWN:
- register_code(code);
- break;
- case FN_UP:
- layer_switch_off(code);
- NEXT(IDLE);
- break;
- case FNK_UP:
- if (code == delayed_fn.code) {
- // type Fn with alt keycode
- // restore the mod status at the time of pressing Fn key
- tmp_mods = keyboard_report->mods;
- host_set_mods(delayed_fn.mods);
- register_code(keymap_fn_keycode(FN_INDEX(delayed_fn.code)));
- unregister_code(keymap_fn_keycode(FN_INDEX(delayed_fn.code)));
- host_set_mods(tmp_mods);
- NEXT(IDLE);
- } else {
- layer_switch_off(code);
- NEXT(IDLE);
- }
- break;
- case KEY_UP:
- unregister_code(code);
- NEXT(IDLE);
- break;
- case MOD_UP:
- unregister_code(code);
- break;
- default:
- break;
- }
- break;
- case WAITING:
- switch (kind) {
- case FN_DOWN:
- case FNK_DOWN:
- case KEY_DOWN:
- tmp_mods = keyboard_report->mods;
- host_set_mods(delayed_fn.mods);
- register_code(keymap_fn_keycode(FN_INDEX(delayed_fn.code)));
- host_set_mods(waiting_key.mods);
- register_code(waiting_key.code);
- host_set_mods(tmp_mods);
- register_code(code);
- NEXT(IDLE);
- break;
- case MOD_DOWN:
- register_code(code);
- break;
- case FN_UP:
- layer_switch_off(code);
- NEXT(IDLE);
- break;
- case FNK_UP:
- if (code == delayed_fn.code) {
- // alt down, key down, alt up
- tmp_mods = keyboard_report->mods;
- host_set_mods(delayed_fn.mods);
- register_code(keymap_fn_keycode(FN_INDEX(delayed_fn.code)));
- host_set_mods(waiting_key.mods);
- register_code(waiting_key.code);
- unregister_code(keymap_fn_keycode(FN_INDEX(delayed_fn.code)));
- host_set_mods(tmp_mods);
- NEXT(IDLE);
- } else {
- layer_switch_off(code);
- NEXT(IDLE);
- }
- break;
- case KEY_UP:
- if (code == waiting_key.code) {
- layer_switch_on(delayed_fn.code);
- NEXT(IDLE);
- // process waiting_key
- tmp_mods = keyboard_report->mods;
- host_set_mods(waiting_key.mods);
- process_key(waiting_key.event);
- host_set_mods(tmp_mods);
- process_key(event);
- } else {
- unregister_code(code);
- }
- break;
- case MOD_UP:
- unregister_code(code);
- break;
- default:
- break;
- }
- break;
- }
-}
void keyboard_init(void)
{
- debug_keyboard = true;
+ // TODO: configuration of sendchar impl
+ print_sendchar_func = sendchar;
timer_init();
matrix_init();
#ifdef PS2_MOUSE_ENABLE
ps2_mouse_init();
#endif
+
+#ifdef BOOTMAGIC_ENABLE
+ bootmagic();
+
+ if (eeconfig_is_enabled()) {
+ uint8_t config;
+ config = eeconfig_read_debug();
+ // ignored if debug is enabled by program before.
+ if (!debug_enable) debug_enable = (config & EECONFIG_DEBUG_ENABLE);
+ if (!debug_matrix) debug_matrix = (config & EECONFIG_DEBUG_MATRIX);
+ if (!debug_keyboard) debug_keyboard = (config & EECONFIG_DEBUG_KEYBOARD);
+ if (!debug_mouse) debug_mouse = (config & EECONFIG_DEBUG_MOUSE);
+ } else {
+ eeconfig_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();
- if (command_proc()) {
- debug("COMMAND\n");
- // TODO: COMMAND state?
- clear_keyboard();
- return;
- }
-
- for (int r = 0; r < MATRIX_ROWS; r++) {
+ 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();
-
- for (int c = 0; c < MATRIX_COLS; c++) {
- if (matrix_change & (1<<c)) {
- process_key((keyevent_t){
+#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 & (1<<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] ^= (1<<c);
+ matrix_prev[r] ^= ((matrix_row_t)1<<c);
// process a key per task call
goto MATRIX_LOOP_END;
}
}
}
}
- MATRIX_LOOP_END:
-
- // layer switch when delay term elapses
- if (kbdstate == DELAYING || kbdstate == WAITING) {
- if (timer_elapsed(delayed_fn.time) > LAYER_DELAY) {
- if (kbdstate == DELAYING) {
- layer_switch_on(delayed_fn.code);
- NEXT(IDLE);
- }
- if (kbdstate == WAITING) {
- layer_switch_on(delayed_fn.code);
- NEXT(IDLE);
- uint8_t tmp_mods = keyboard_report->mods;
- host_set_mods(waiting_key.mods);
- process_key(waiting_key.event);
- host_set_mods(tmp_mods);
- }
- }
- }
+ // 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
-
- // FAIL SAFE: clear all key if no key down
- if (matrix_change) {
- matrix_row_t is_matrix_on = 0;
- for (int r = 0; r < MATRIX_ROWS; r++) {
- is_matrix_on |= matrix_get_row(r);
- }
- if (!is_matrix_on) {
- debug("FAIL SAFE: clear all keys.\n");
- clear_keyboard();
- }
+ // update LED
+ if (led_status != host_keyboard_leds()) {
+ led_status = host_keyboard_leds();
+ keyboard_set_leds(led_status);
}
-
- return;
}
void keyboard_set_leds(uint8_t leds)
{
+ if (debug_keyboard) { debug("keyboard_set_led: "); debug_hex8(leds); debug("\n"); }
led_set(leds);
}