X-Git-Url: https://git.friedersdorff.com/?a=blobdiff_plain;f=common%2Faction.c;h=710300eb3062bb86c5d62028f758fac126ce8474;hb=7054203e16af627a921b503a9508ce789913471d;hp=425a2b00ff17bc6a7e884fe2bf6774dbef5e16b2;hpb=411de9cc22e927313a5a768f3bf41f2f99bca126;p=max%2Ftmk_keyboard.git diff --git a/common/action.c b/common/action.c index 425a2b00..710300eb 100644 --- a/common/action.c +++ b/common/action.c @@ -1,3 +1,19 @@ +/* +Copyright 2012,2013 Jun Wako + +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 . +*/ #include "host.h" #include "timer.h" #include "keymap.h" @@ -9,177 +25,320 @@ #include "debug.h" #include "action.h" -#define Kdebug(s) do { if (debug_keyboard) debug(s); } while(0) -#define Kdebug_P(s) do { if (debug_keyboard) debug_P(s); } while(0) -#define Kdebug_hex(s) do { if (debug_keyboard) debug_hex(s); } while(0) + +static void process_action(keyrecord_t *record); +static bool process_tapping(keyrecord_t *record); +static void waiting_buffer_scan_tap(void); + +static void debug_event(keyevent_t event); +static void debug_record(keyrecord_t record); +static void debug_action(action_t action); +static void debug_tapping_key(void); +static void debug_waiting_buffer(void); /* + * Tapping + */ +/* period of tapping(ms) */ +#ifndef TAPPING_TERM +#define TAPPING_TERM 200 +#endif + +/* tap count needed for toggling a feature */ +#ifndef TAPPING_TOGGLE +#define TAPPING_TOGGLE 5 +#endif + +/* stores a key event of current tap. */ +static keyrecord_t tapping_key = {}; + +#define IS_TAPPING() !IS_NOEVENT(tapping_key.event) +#define IS_TAPPING_PRESSED() (IS_TAPPING() && tapping_key.event.pressed) +#define IS_TAPPING_RELEASED() (IS_TAPPING() && !tapping_key.event.pressed) +#define IS_TAPPING_KEY(k) (IS_TAPPING() && KEYEQ(tapping_key.event.key, (k))) +#define WITHIN_TAPPING_TERM(e) (TIMER_DIFF_16(e.time, tapping_key.event.time) < TAPPING_TERM) + + +/* + * Waiting buffer * - * Event/State|IDLE PRESSING DELAYING[f] WAITING[f,k] - * -----------+------------------------------------------------------------------ - * Fn Down |(L+) -*1 WAITING(Sk) IDLE(Rf,Ps)*7 - * Up |(L-) IDLE(L-)*8 IDLE(L-)*8 IDLE(L-)*8 - * Fnk Down |DELAYING(Sf)* (Rf) WAITING(Sk) IDLE(Rf,Ps,Rf) - * Up |(L-) IDLE(L-/Uf)*8 IDLE(Rf,Uf/L-)*3 IDLE(Rf,Ps,Uf/L-)*3 - * Key Down |PRESSING(Rk) (Rk) WAITING(Sk) IDLE(Rf,Ps,Rk) - * Up |(Uk) IDLE(Uk)*4 (Uk) IDLE(L+,Ps,Pk)/(Uk)*a - * | - * Delay |- - IDLE(L+) IDLE(L+,Ps) - * Magic Key |COMMAND*5 - * - * *1: ignore Fn if other key is down. - * *2: register Fnk if any key is pressing - * *3: register/unregister delayed Fnk and move to IDLE if code == delayed Fnk, else *8 - * *4: if no keys registered to host - * *5: unregister all keys - * *6: only if no keys down - * *7: ignore Fn because Fnk key and stored key are down. - * *8: move to IDLE if layer switch(off) occurs, else stay at current state - * *9: repeat key if pressing Fnk twice quickly(move to PRESSING) - * *a: layer switch and process waiting key and code if code == wainting key, else unregister key - * - * States: - * IDLE: No key is down except modifiers - * 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 - * Delay: layer switch delay term is elapsed - * - * Actions: - * Rk: register key - * Uk: unregister key - * Rf: register Fn(alt keycode) - * Uf: unregister Fn(alt keycode) - * Rs: register stored key - * Us: unregister stored key - * Sk: Store key(waiting Key) - * Sf: Store Fn(delayed Fn) - * Ps: Process stored key - * Ps: Process key - * Is: Interpret stored keys in current layer - * 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) + * stores key events waiting for settling current tap. */ +#define WAITING_BUFFER_SIZE 8 +static keyrecord_t waiting_buffer[WAITING_BUFFER_SIZE] = {}; + +/* point to empty cell to enq */ +static uint8_t waiting_buffer_head = 0; +/* point to the oldest data cell to deq */ +static uint8_t waiting_buffer_tail = 0; -typedef enum { IDLE, DELAYING, WAITING, PRESSING } kbdstate_t; -#define NEXT(state) do { \ - Kdebug("NEXT: "); Kdebug_P(state_str(kbdstate)); \ - kbdstate = state; \ - Kdebug(" -> "); Kdebug_P(state_str(kbdstate)); Kdebug("\n"); \ -} while (0) +static bool waiting_buffer_enq(keyrecord_t record) +{ + if (IS_NOEVENT(record.event)) { + return true; + } + + if ((waiting_buffer_head + 1) % WAITING_BUFFER_SIZE == waiting_buffer_tail) { + debug("waiting_buffer_enq: Over flow.\n"); + return false; + } + waiting_buffer[waiting_buffer_head] = record; + waiting_buffer_head = (waiting_buffer_head + 1) % WAITING_BUFFER_SIZE; -static kbdstate_t kbdstate = IDLE; -static uint8_t fn_state_bits = 0; + debug("waiting_buffer_enq: "); debug_waiting_buffer(); + return true; +} -static const char *state_str(kbdstate_t state) +static void waiting_buffer_clear(void) { - 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"); + waiting_buffer_head = 0; + waiting_buffer_tail = 0; } -static bool anykey_sent_to_host(void) + +#if TAPPING_TERM >= 500 +static bool waiting_buffer_typed(keyevent_t event) { - return (host_has_anykey() || host_mouse_in_use() || - host_last_sysytem_report() || host_last_consumer_report()); + for (uint8_t i = waiting_buffer_tail; i != waiting_buffer_head; i = (i + 1) % WAITING_BUFFER_SIZE) { + if (KEYEQ(event.key, waiting_buffer[i].event.key) && event.pressed != waiting_buffer[i].event.pressed) { + return true; + } + } + return false; } +#endif +bool waiting_buffer_has_anykey_pressed(void) +{ + for (uint8_t i = waiting_buffer_tail; i != waiting_buffer_head; i = (i + 1) % WAITING_BUFFER_SIZE) { + if (waiting_buffer[i].event.pressed) return true; + } + return false; +} + + +/* Oneshot modifier + * + * Problem: Want to capitalize like 'The' but the result tends to be 'THe'. + * Solution: Oneshot modifier have its effect on only one key coming next. + * Tap Shift, then type 't', 'h' and 'e'. Not need to hold Shift key. + * + * Hold: works as normal modifier. + * Tap: one shot modifier. + * 2 Tap: cancel one shot modifier. + * 5-Tap: toggles enable/disable oneshot feature. + */ +static struct { + uint8_t mods; + uint8_t time; + bool ready; + bool disabled; +} oneshot_state; -static void register_code(uint8_t code); -static void unregister_code(uint8_t code); -static void register_mods(uint8_t mods); -static void unregister_mods(uint8_t mods); -static void clear_keyboard(void); -static void clear_keyboard_but_mods(void); -static void layer_switch(uint8_t new_layer); +static void oneshot_start(uint8_t mods, uint16_t time) +{ + oneshot_state.mods = mods; + oneshot_state.time = time; + oneshot_state.ready = true; +} +static void oneshot_cancel(void) +{ + oneshot_state.mods = 0; + oneshot_state.time = 0; + oneshot_state.ready = false; +} -/* tap */ -#define TAP_TIME 200 -#define LAYER_DELAY 200 -static keyevent_t last_event = {}; -static uint16_t last_event_time = 0; -static uint8_t tap_count = 0; +static void oneshot_toggle(void) +{ + oneshot_state.disabled = !oneshot_state.disabled; +} -/* layer */ -uint8_t default_layer = 0; -uint8_t current_layer = 0; -keyrecord_t delaying_layer = {}; void action_exec(keyevent_t event) { - /* count tap when key is up */ - if (KEYEQ(event.key, last_event.key) && timer_elapsed(last_event_time) < TAP_TIME) { - if (!event.pressed) tap_count++; + if (!IS_NOEVENT(event)) { + debug("\n---- action_exec: start -----\n"); + debug("EVENT: "); debug_event(event); debug("\n"); + } + + keyrecord_t record = { .event = event }; + + // pre-process on tapping + if (process_tapping(&record)) { + if (!IS_NOEVENT(record.event)) { + debug("processed: "); debug_record(record); debug("\n"); + } } else { - tap_count = 0; + // enqueue + if (!waiting_buffer_enq(record)) { + // clear all in case of overflow. + debug("OVERFLOW: CLEAR ALL STATES\n"); + clear_keyboard(); + waiting_buffer_clear(); + tapping_key = (keyrecord_t){}; + } + } + + // process waiting_buffer + if (!IS_NOEVENT(event) && waiting_buffer_head != waiting_buffer_tail) { + debug("---- action_exec: process waiting_buffer -----\n"); } - /* layer switch after LAYER_DELAY */ - if (delaying_layer.action.code && timer_elapsed(delaying_layer.event.time) > LAYER_DELAY) { - switch (delaying_layer.action.kind.id) { - case ACT_LAYER_PRESSED: - layer_switch(delaying_layer.action.layer.opt); - break; - case ACT_LAYER_BIT: - layer_switch(current_layer | delaying_layer.action.layer.opt); - break; + for (; waiting_buffer_tail != waiting_buffer_head; waiting_buffer_tail = (waiting_buffer_tail + 1) % WAITING_BUFFER_SIZE) { + if (process_tapping(&waiting_buffer[waiting_buffer_tail])) { + debug("processed: waiting_buffer["); debug_dec(waiting_buffer_tail); debug("] = "); + debug_record(waiting_buffer[waiting_buffer_tail]); debug("\n\n"); + } else { + break; } - delaying_layer = (keyrecord_t){}; } - action_t action = keymap_get_action(current_layer, event.key.row, event.key.col); + if (!IS_NOEVENT(event)) { + debug("\n"); + } +} + +static action_t get_action(key_t key) +{ + action_t action = keymap_get_action(current_layer, key.pos.row, key.pos.col); + + /* Transparently use default layer */ + if (action.code == ACTION_TRANSPARENT) { + // TODO: layer stacking + action = keymap_get_action(default_layer, key.pos.row, key.pos.col); + debug("TRNASPARENT: "); debug_hex16(action.code); debug("\n"); + } + return action; +} + +static void process_action(keyrecord_t *record) +{ + keyevent_t event = record->event; + uint8_t tap_count = record->tap_count; + + if (IS_NOEVENT(event)) { return; } - debug("action: "); debug_hex16(action.code); debug("\n"); - debug("kind.id: "); debug_hex(action.kind.id); debug("\n"); - debug("kind.param: "); debug_hex16(action.kind.param); debug("\n"); - debug("key.code: "); debug_hex(action.key.code); debug("\n"); - debug("key.mods: "); debug_hex(action.key.mods); debug("\n"); + action_t action = get_action(event.key); + debug("ACTION: "); debug_action(action); debug("\n"); switch (action.kind.id) { + /* Key and Mods */ case ACT_LMODS: - // normal key or key plus mods - if (event.pressed) { - register_mods(action.key.mods); - register_code(action.key.code); - } else { - unregister_code(action.key.code); - unregister_mods(action.key.mods); - } - break; case ACT_RMODS: - if (event.pressed) { - register_mods(action.key.mods<<4); - register_code(action.key.code); - } else { - unregister_code(action.key.code); - unregister_mods(action.key.mods<<4); + { + uint8_t mods = (action.kind.id == ACT_LMODS) ? action.key.mods : + action.key.mods<<4; + if (event.pressed) { + uint8_t tmp_mods = host_get_mods(); + if (mods) { + host_add_mods(mods); + host_send_keyboard_report(); + } + register_code(action.key.code); + if (mods && action.key.code) { + host_set_mods(tmp_mods); + host_send_keyboard_report(); + } + } else { + if (mods && !action.key.code) { + host_del_mods(mods); + host_send_keyboard_report(); + } + unregister_code(action.key.code); + } } break; - case ACT_LMOD_TAP: - break; - case ACT_RMOD_TAP: + case ACT_LMODS_TAP: + case ACT_RMODS_TAP: + { + uint8_t mods = (action.kind.id == ACT_LMODS_TAP) ? action.key.mods : + action.key.mods<<4; + switch (action.layer.code) { + case 0x00: + // Oneshot modifier + if (event.pressed) { + if (tap_count == 0) { + debug("MODS_TAP: Oneshot: add_mods\n"); + add_mods(mods); + } + else if (tap_count == 1) { + debug("MODS_TAP: Oneshot: start\n"); + oneshot_start(mods, event.time); + } + else if (tap_count == TAPPING_TOGGLE) { + debug("MODS_TAP: Oneshot: toggle\n"); + oneshot_toggle(); + } + else { + debug("MODS_TAP: Oneshot: cancel&add_mods\n"); + // double tap cancels oneshot and works as normal modifier. + oneshot_cancel(); + add_mods(mods); + } + } else { + if (tap_count == 0) { + debug("MODS_TAP: Oneshot: cancel/del_mods\n"); + // cancel oneshot by holding. + oneshot_cancel(); + del_mods(mods); + } + else if (tap_count == 1) { + debug("MODS_TAP: Oneshot: del_mods\n"); + // retain Oneshot + del_mods(mods); + } + else { + debug("MODS_TAP: Oneshot: del_mods\n"); + // cancel Mods + del_mods(mods); + } + } + break; + default: + if (event.pressed) { + if (tap_count > 0) { + if (waiting_buffer_has_anykey_pressed()) { + debug("MODS_TAP: Tap: Cancel: add_mods\n"); + // ad hoc: set 0 to cancel tap + record->tap_count = 0; + add_mods(mods); + } else { + debug("MODS_TAP: Tap: register_code\n"); + register_code(action.key.code); + } + } else { + debug("MODS_TAP: No tap: add_mods\n"); + add_mods(mods); + } + } else { + if (tap_count > 0) { + debug("MODS_TAP: Tap: unregister_code\n"); + unregister_code(action.key.code); + } else { + debug("MODS_TAP: No tap: add_mods\n"); + del_mods(mods); + } + } + break; + } + } break; + + /* other HID usage */ case ACT_USAGE: #ifdef EXTRAKEY_ENABLE switch (action.usage.page) { - case ACTION_USAGE_PAGE_SYSTEM: + case PAGE_SYSTEM: if (event.pressed) { host_system_send(action.usage.code); } else { host_system_send(0); } break; - case ACTION_USAGE_PAGE_CONSUMER: + case PAGE_CONSUMER: if (event.pressed) { host_consumer_send(action.usage.code); } else { @@ -189,6 +348,8 @@ void action_exec(keyevent_t event) } #endif break; + + /* Mouse key */ case ACT_MOUSEKEY: #ifdef MOUSEKEY_ENABLE if (event.pressed) { @@ -200,193 +361,382 @@ void action_exec(keyevent_t event) } #endif break; - case ACT_LAYER_PRESSED: - // layer action when pressed + + /* Layer key */ + case ACT_LAYER: switch (action.layer.code) { - case 0x00: + case LAYER_MOMENTARY: /* momentary */ + if (event.pressed) { + layer_switch(action.layer.val); + } + else { + // NOTE: This is needed by legacy keymap support + layer_switch(default_layer); + } + break; + case LAYER_ON_PRESS: if (event.pressed) { - layer_switch(action.layer.opt); + layer_switch(action.layer.val); } break; - case 0xF0: - // TODO: tap toggle + case LAYER_ON_RELEASE: + if (!event.pressed) { + layer_switch(action.layer.val); + } break; - case 0xFF: + case LAYER_DEFAULT: /* default layer */ + switch (action.layer.val) { + case DEFAULT_ON_BOTH: + layer_switch(default_layer); + break; + case DEFAULT_ON_PRESS: + if (event.pressed) { + layer_switch(default_layer); + } + break; + case DEFAULT_ON_RELEASE: + if (!event.pressed) { + layer_switch(default_layer); + } + break; + } + break; + case LAYER_TAP_TOGGLE: /* switch on hold and toggle on several taps */ if (event.pressed) { - default_layer = action.layer.opt; + if (tap_count < TAPPING_TOGGLE) { + layer_switch(action.layer.val); + } + } else { + if (tap_count >= TAPPING_TOGGLE) { + debug("LAYER_PRESSED: tap toggle.\n"); + layer_switch(action.layer.val); + } + } + break; + case LAYER_CHANGE_DEFAULT: /* change default layer */ + if (event.pressed) { + default_layer = action.layer.val; layer_switch(default_layer); } break; - default: - // with tap key - debug("tap: "); debug_hex(tap_count); debug("\n"); + default: /* switch layer on hold and key on tap*/ if (event.pressed) { - if (tap_count == 0) { - if (host_has_anykey()) { - register_code(action.layer.code); - } else { - delaying_layer = (keyrecord_t){ - .event = event, - .action = action, - .mods = keyboard_report->mods - }; - } - } else if (tap_count > 0) { + if (tap_count > 0) { + debug("LAYER_PRESSED: Tap: register_code\n"); register_code(action.layer.code); - } + } else { + debug("LAYER_PRESSED: No tap: layer_switch\n"); + layer_switch(action.layer.val); + } } else { - // type key after tap - if (tap_count == 1) { - delaying_layer = (keyrecord_t){}; - register_code(action.layer.code); + if (tap_count > 0) { + debug("LAYER_PRESSED: Tap: unregister_code\n"); + unregister_code(action.layer.code); + } else { + //debug("LAYER_PRESSED: No tap: NO ACTION\n"); + // NOTE: This is needed by legacy keymap support + debug("LAYER_PRESSED: No tap: return to default layer\n"); + layer_switch(default_layer); } - unregister_code(action.layer.code); } break; } break; - case ACT_LAYER_RELEASED: + case ACT_LAYER_BIT: switch (action.layer.code) { - case 0x00: + case LAYER_MOMENTARY: /* momentary */ if (event.pressed) { - layer_switch(action.layer.opt); + layer_switch(current_layer ^ action.layer.val); + } else { + layer_switch(current_layer ^ action.layer.val); } break; - case 0xF0: - // Ignored. LAYER_RELEASED with tap toggle is invalid action. + case LAYER_ON_PRESS: + if (event.pressed) { + layer_switch(current_layer ^ action.layer.val); + } break; - case 0xFF: + case LAYER_ON_RELEASE: if (!event.pressed) { - default_layer = action.layer.opt; - layer_switch(default_layer); + layer_switch(current_layer ^ action.layer.val); } break; - default: - // Ignored. LAYER_RELEASED with tap key is invalid action. - break; - } - break; - case ACT_LAYER_BIT: - switch (action.layer.code) { - case 0x00: + case LAYER_TAP_TOGGLE: /* switch on hold and toggle on several taps */ if (event.pressed) { - layer_switch(current_layer | action.layer.opt); + if (tap_count < TAPPING_TOGGLE) { + debug("LAYER_BIT: tap toggle(press).\n"); + layer_switch(current_layer ^ action.layer.val); + } } else { - layer_switch(current_layer & ~action.layer.opt); + if (tap_count <= TAPPING_TOGGLE) { + debug("LAYER_BIT: tap toggle(release).\n"); + layer_switch(current_layer ^ action.layer.val); + } } break; - case 0xF0: - // TODO: tap toggle - break; case 0xFF: // change default layer if (event.pressed) { - default_layer = current_layer | action.layer.opt; + default_layer = current_layer ^ action.layer.val; layer_switch(default_layer); } else { - default_layer = current_layer & ~action.layer.opt; + default_layer = current_layer ^ action.layer.val; layer_switch(default_layer); } break; default: // with tap key - debug("tap: "); debug_hex(tap_count); debug("\n"); if (event.pressed) { - if (tap_count == 0) { - if (host_has_anykey()) { - register_code(action.layer.code); - } else { - delaying_layer = (keyrecord_t){ - .event = event, - .action = action, - .mods = keyboard_report->mods - }; - } - } else if (tap_count > 0) { + if (IS_TAPPING_KEY(event.key) && tap_count > 0) { + debug("LAYER_BIT: Tap: register_code\n"); register_code(action.layer.code); + } else { + debug("LAYER_BIT: No tap: layer_switch(bit on)\n"); + layer_switch(current_layer ^ action.layer.val); } } else { - if (tap_count == 0) { - // no tap - layer_switch(current_layer & ~action.layer.opt); - } else if (tap_count == 1) { - // tap - register_code(action.layer.code); + if (IS_TAPPING_KEY(event.key) && tap_count > 0) { + debug("LAYER_BIT: Tap: unregister_code\n"); + unregister_code(action.layer.code); + } else { + debug("LAYER_BIT: No tap: layer_switch(bit off)\n"); + layer_switch(current_layer ^ action.layer.val); } - unregister_code(action.layer.code); - } - break; - } - case ACT_LAYER_EXT: - switch (action.layer.opt) { - case 0x00: - // set default layer when pressed - switch (action.layer.code) { - case 0x00: - if (event.pressed) { - layer_switch(default_layer); - } - break; - case 0xF0: - // TODO: tap toggle - break; - case 0xFF: - if (event.pressed) { - default_layer = current_layer; - layer_switch(default_layer); - } - break; - default: - // TODO: tap key - break; - } - break; - case 0x01: - // set default layer when released - switch (action.layer.code) { - case 0x00: - if (!event.pressed) { - layer_switch(default_layer); - } - break; - case 0xFF: - if (!event.pressed) { - default_layer = current_layer; - layer_switch(default_layer); - } - break; - case 0xF0: - default: - // Ignore tap. - if (!event.pressed) { - layer_switch(default_layer); - } - break; } break; } break; + + /* Extentions */ case ACT_MACRO: + break; case ACT_COMMAND: + break; case ACT_FUNCTION: + // TODO + keymap_call_function(record, action.func.id, action.func.opt); + break; default: break; } +} + +/* Tapping + * + * Rule: Tap key is typed(pressed and released) within TAPPING_TERM. + * (without interfering by typing other key) + */ +/* return true when key event is processed or consumed. */ +static bool process_tapping(keyrecord_t *keyp) +{ + keyevent_t event = keyp->event; + + // if tapping + if (IS_TAPPING_PRESSED()) { + if (WITHIN_TAPPING_TERM(event)) { + if (tapping_key.tap_count == 0) { + if (IS_TAPPING_KEY(event.key) && !event.pressed) { + // first tap! + debug("Tapping: First tap(0->1).\n"); + tapping_key.tap_count = 1; + debug_tapping_key(); + process_action(&tapping_key); + + // enqueue + keyp->tap_count = tapping_key.tap_count; + return false; + } +#if TAPPING_TERM >= 500 + /* This can prevent from typing some tap keys in a row at a time. */ + else if (!event.pressed && waiting_buffer_typed(event)) { + // other key typed. not tap. + debug("Tapping: End. No tap. Interfered by typing key\n"); + process_action(&tapping_key); + tapping_key = (keyrecord_t){}; + debug_tapping_key(); + + // enqueue + return false; + } +#endif + else { + // other key events shall be enq'd till tapping state settles. + return false; + } + } + // tap_count > 0 + else { + if (IS_TAPPING_KEY(event.key) && !event.pressed) { + debug("Tapping: Tap release("); debug_dec(tapping_key.tap_count); debug(")\n"); + keyp->tap_count = tapping_key.tap_count; + process_action(keyp); + tapping_key = *keyp; + debug_tapping_key(); + return true; + } + else if (is_tap_key(keyp->event.key) && event.pressed) { + if (tapping_key.tap_count > 1) { + debug("Tapping: Start new tap with releasing last tap(>1).\n"); + // unregister key + process_action(&(keyrecord_t){ + .tap_count = tapping_key.tap_count, + .event.key = tapping_key.event.key, + .event.time = event.time, + .event.pressed = false + }); + } else { + debug("Tapping: Start while last tap(1).\n"); + } + tapping_key = *keyp; + waiting_buffer_scan_tap(); + debug_tapping_key(); + return true; + } + else { + if (!IS_NOEVENT(keyp->event)) { + debug("Tapping: key event while last tap(>0).\n"); + } + process_action(keyp); + return true; + } + } + } + // after TAPPING_TERM + else { + if (tapping_key.tap_count == 0) { + debug("Tapping: End. Timeout. Not tap(0): "); + debug_event(event); debug("\n"); + process_action(&tapping_key); + tapping_key = (keyrecord_t){}; + debug_tapping_key(); + return false; + } else { + if (IS_TAPPING_KEY(event.key) && !event.pressed) { + debug("Tapping: End. last timeout tap release(>0)."); + keyp->tap_count = tapping_key.tap_count; + process_action(keyp); + tapping_key = (keyrecord_t){}; + return true; + } + else if (is_tap_key(keyp->event.key) && event.pressed) { + if (tapping_key.tap_count > 1) { + debug("Tapping: Start new tap with releasing last timeout tap(>1).\n"); + // unregister key + process_action(&(keyrecord_t){ + .tap_count = tapping_key.tap_count, + .event.key = tapping_key.event.key, + .event.time = event.time, + .event.pressed = false + }); + } else { + debug("Tapping: Start while last timeout tap(1).\n"); + } + tapping_key = *keyp; + waiting_buffer_scan_tap(); + debug_tapping_key(); + return true; + } + else { + if (!IS_NOEVENT(keyp->event)) { + debug("Tapping: key event while last timeout tap(>0).\n"); + } + process_action(keyp); + return true; + } + } + } + } else if (IS_TAPPING_RELEASED()) { + if (WITHIN_TAPPING_TERM(event)) { + if (tapping_key.tap_count > 0 && IS_TAPPING_KEY(event.key) && event.pressed) { + // sequential tap. + keyp->tap_count = tapping_key.tap_count + 1; + debug("Tapping: Tap press("); debug_dec(keyp->tap_count); debug(")\n"); + process_action(keyp); + tapping_key = *keyp; + debug_tapping_key(); + return true; + } else if (event.pressed && is_tap_key(event.key)) { + // Sequential tap can be interfered with other tap key. + debug("Tapping: Start with interfering other tap.\n"); + tapping_key = *keyp; + waiting_buffer_scan_tap(); + debug_tapping_key(); + return true; + } else { + if (!IS_NOEVENT(keyp->event)) debug("Tapping: other key just after tap.\n"); + process_action(keyp); + return true; + } + } else { + // timeout. no sequential tap. + debug("Tapping: End(Timeout after releasing last tap): "); + debug_event(event); debug("\n"); + tapping_key = (keyrecord_t){}; + debug_tapping_key(); + return false; + } + } + // not tapping satate + else { + if (event.pressed && is_tap_key(event.key)) { + debug("Tapping: Start(Press tap key).\n"); + tapping_key = *keyp; + waiting_buffer_scan_tap(); + debug_tapping_key(); + return true; + } else { + process_action(keyp); + return true; + } + } +} + +/* scan buffer for tapping */ +static void waiting_buffer_scan_tap(void) +{ + // tapping already is settled + if (tapping_key.tap_count > 0) return; + // invalid state: tapping_key released && tap_count == 0 + if (!tapping_key.event.pressed) return; - /* last event */ - last_event = event; - last_event_time = timer_read(); + for (uint8_t i = waiting_buffer_tail; i != waiting_buffer_head; i = (i + 1) % WAITING_BUFFER_SIZE) { + if (IS_TAPPING_KEY(waiting_buffer[i].event.key) && + !waiting_buffer[i].event.pressed && + WITHIN_TAPPING_TERM(waiting_buffer[i].event)) { + tapping_key.tap_count = 1; + waiting_buffer[i].tap_count = 1; + process_action(&tapping_key); + + debug("waiting_buffer_scan_tap: found at ["); debug_dec(i); debug("]\n"); + debug_waiting_buffer(); + return; + } + } } -static void register_code(uint8_t code) + +/* + * Utilities for actions. + */ +void register_code(uint8_t code) { if (code == KC_NO) { return; } else if IS_KEY(code) { // TODO: should push command_proc out of this block? - if (!command_proc(code)) { + if (command_proc(code)) return; + + if (oneshot_state.mods && oneshot_state.ready && !oneshot_state.disabled) { + uint8_t tmp_mods = host_get_mods(); + host_add_mods(oneshot_state.mods); + host_add_key(code); + host_send_keyboard_report(); + + host_set_mods(tmp_mods); + oneshot_state.ready = false; + } else { host_add_key(code); host_send_keyboard_report(); } @@ -397,7 +747,7 @@ static void register_code(uint8_t code) } } -static void unregister_code(uint8_t code) +void unregister_code(uint8_t code) { if IS_KEY(code) { host_del_key(code); @@ -409,27 +759,35 @@ static void unregister_code(uint8_t code) } } -static void register_mods(uint8_t mods) +void add_mods(uint8_t mods) { - if (!mods) return; - host_add_mods(mods); - host_send_keyboard_report(); + if (mods) { + host_add_mods(mods); + host_send_keyboard_report(); + } } -static void unregister_mods(uint8_t mods) +void del_mods(uint8_t mods) { - if (!mods) return; - host_del_mods(mods); + if (mods) { + host_del_mods(mods); + host_send_keyboard_report(); + } +} + +void set_mods(uint8_t mods) +{ + host_set_mods(mods); host_send_keyboard_report(); } -static void clear_keyboard(void) +void clear_keyboard(void) { host_clear_mods(); clear_keyboard_but_mods(); } -static void clear_keyboard_but_mods(void) +void clear_keyboard_but_mods(void) { host_clear_keys(); host_send_keyboard_report(); @@ -443,13 +801,97 @@ static void clear_keyboard_but_mods(void) #endif } -static void layer_switch(uint8_t new_layer) +bool sending_anykey(void) +{ + return (host_has_anykey() || host_mouse_in_use() || + host_last_sysytem_report() || host_last_consumer_report()); +} + +void layer_switch(uint8_t new_layer) { if (current_layer != new_layer) { - Kdebug("Layer Switch: "); Kdebug_hex(current_layer); - Kdebug(" -> "); Kdebug_hex(new_layer); Kdebug("\n"); + debug("Layer Switch: "); debug_hex(current_layer); + debug(" -> "); debug_hex(new_layer); debug("\n"); current_layer = new_layer; clear_keyboard_but_mods(); // To avoid stuck keys + // NOTE: update mods with full scan of matrix? if modifier changes between layers + } +} + +bool is_tap_key(key_t key) +{ + action_t action = get_action(key); + + switch (action.kind.id) { + case ACT_LMODS_TAP: + case ACT_RMODS_TAP: + return true; + case ACT_LAYER: + case ACT_LAYER_BIT: + switch (action.layer.code) { + case LAYER_MOMENTARY: + case LAYER_ON_PRESS: + case LAYER_ON_RELEASE: + case LAYER_DEFAULT: + return false; + case LAYER_TAP_TOGGLE: + default: /* tap key */ + return true; + } + return false; + case ACT_FUNCTION: + if (action.func.opt & FUNC_TAP) { return true; } + return false; + } + return false; +} + + +/* + * debug print + */ +static void debug_event(keyevent_t event) +{ + debug_hex16(event.key.raw); + if (event.pressed) debug("d("); else debug("u("); + debug_dec(event.time); debug(")"); +} +static void debug_record(keyrecord_t record) +{ + debug_event(record.event); debug(":"); debug_dec(record.tap_count); +} +static void debug_action(action_t action) +{ + switch (action.kind.id) { + case ACT_LMODS: debug("ACT_LMODS"); break; + case ACT_RMODS: debug("ACT_RMODS"); break; + case ACT_LMODS_TAP: debug("ACT_LMODS_TAP"); break; + case ACT_RMODS_TAP: debug("ACT_RMODS_TAP"); break; + case ACT_USAGE: debug("ACT_USAGE"); break; + case ACT_MOUSEKEY: debug("ACT_MOUSEKEY"); break; + case ACT_LAYER: debug("ACT_LAYER"); break; + case ACT_LAYER_BIT: debug("ACT_LAYER_BIT"); break; + case ACT_MACRO: debug("ACT_MACRO"); break; + case ACT_COMMAND: debug("ACT_COMMAND"); break; + case ACT_FUNCTION: debug("ACT_FUNCTION"); break; + default: debug("UNKNOWN"); break; + } + debug("["); + debug_hex4(action.kind.param>>8); + debug(":"); + debug_hex8(action.kind.param & 0xff); + debug("]"); +} +static void debug_tapping_key(void) +{ + debug("TAPPING_KEY="); debug_record(tapping_key); debug("\n"); +} +static void debug_waiting_buffer(void) +{ + debug("{ "); + for (uint8_t i = waiting_buffer_tail; i != waiting_buffer_head; i = (i + 1) % WAITING_BUFFER_SIZE) { + debug("["); debug_dec(i); debug("]="); debug_record(waiting_buffer[i]); debug(" "); } + debug("}\n"); }