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476 lines
14 KiB
C
476 lines
14 KiB
C
12 years ago
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#include "host.h"
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#include "timer.h"
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//#include "keymap.h"
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#include "keycode.h"
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#include "keyboard.h"
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#include "mousekey.h"
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#include "command.h"
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#include "util.h"
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#include "debug.h"
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#include "action.h"
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#define Kdebug(s) do { if (debug_keyboard) debug(s); } while(0)
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#define Kdebug_P(s) do { if (debug_keyboard) debug_P(s); } while(0)
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#define Kdebug_hex(s) do { if (debug_keyboard) debug_hex(s); } while(0)
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/*
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*
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* Event/State|IDLE PRESSING DELAYING[f] WAITING[f,k]
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* -----------+------------------------------------------------------------------
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* Fn Down |(L+) -*1 WAITING(Sk) IDLE(Rf,Ps)*7
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* Up |(L-) IDLE(L-)*8 IDLE(L-)*8 IDLE(L-)*8
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* Fnk Down |DELAYING(Sf)* (Rf) WAITING(Sk) IDLE(Rf,Ps,Rf)
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* Up |(L-) IDLE(L-/Uf)*8 IDLE(Rf,Uf/L-)*3 IDLE(Rf,Ps,Uf/L-)*3
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* Key Down |PRESSING(Rk) (Rk) WAITING(Sk) IDLE(Rf,Ps,Rk)
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* Up |(Uk) IDLE(Uk)*4 (Uk) IDLE(L+,Ps,Pk)/(Uk)*a
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* |
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* Delay |- - IDLE(L+) IDLE(L+,Ps)
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* Magic Key |COMMAND*5
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*
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* *1: ignore Fn if other key is down.
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* *2: register Fnk if any key is pressing
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* *3: register/unregister delayed Fnk and move to IDLE if code == delayed Fnk, else *8
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* *4: if no keys registered to host
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* *5: unregister all keys
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* *6: only if no keys down
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* *7: ignore Fn because Fnk key and stored key are down.
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* *8: move to IDLE if layer switch(off) occurs, else stay at current state
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* *9: repeat key if pressing Fnk twice quickly(move to PRESSING)
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* *a: layer switch and process waiting key and code if code == wainting key, else unregister key
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*
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* States:
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* IDLE: No key is down except modifiers
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* DELAYING: delay layer switch after pressing Fn with alt keycode
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* WAITING: key is pressed during DELAYING
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*
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* Events:
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* Fn: Fn key without alternative keycode
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* Fnk: Fn key with alternative keycode
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* -: ignore
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* Delay: layer switch delay term is elapsed
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*
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* Actions:
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* Rk: register key
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* Uk: unregister key
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* Rf: register Fn(alt keycode)
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* Uf: unregister Fn(alt keycode)
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* Rs: register stored key
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* Us: unregister stored key
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* Sk: Store key(waiting Key)
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* Sf: Store Fn(delayed Fn)
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* Ps: Process stored key
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* Ps: Process key
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* Is: Interpret stored keys in current layer
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* L+: Switch to new layer(*unregister* all keys but modifiers)
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* L-: Switch back to last layer(*unregister* all keys but modifiers)
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* Ld: Switch back to default layer(*unregister* all keys but modifiers)
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*/
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typedef enum { IDLE, DELAYING, WAITING, PRESSING } kbdstate_t;
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#define NEXT(state) do { \
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Kdebug("NEXT: "); Kdebug_P(state_str(kbdstate)); \
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kbdstate = state; \
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Kdebug(" -> "); Kdebug_P(state_str(kbdstate)); Kdebug("\n"); \
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} while (0)
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static kbdstate_t kbdstate = IDLE;
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static uint8_t fn_state_bits = 0;
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static keyrecord_t delayed_fn = {};
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static keyrecord_t waiting_key = {};
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static const char *state_str(kbdstate_t state)
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{
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if (state == IDLE) return PSTR("IDLE");
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if (state == DELAYING) return PSTR("DELAYING");
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if (state == WAITING) return PSTR("WAITING");
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if (state == PRESSING) return PSTR("PRESSING");
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return PSTR("UNKNOWN");
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}
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static bool anykey_sent_to_host(void)
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{
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return (host_has_anykey() || host_mouse_in_use() ||
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host_last_sysytem_report() || host_last_consumer_report());
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}
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/*
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static void layer_switch_on(uint8_t code);
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static void layer_switch_off(uint8_t code);
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static void key_action(uint8_t code, keyevent_t event);
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static void key_pressed(uint8_t code, keyevent_t event);
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static void key_released(uint8_t code, keyevent_t event);
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static void mod_pressed(uint8_t code, keyevent_t event);
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static void mod_released(uint8_t code, keyevent_t event);
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*/
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static void register_code(uint8_t code);
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static void unregister_code(uint8_t code);
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static void register_mods(uint8_t mods);
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static void unregister_mods(uint8_t mods);
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static void clear_keyboard(void);
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static void clear_keyboard_but_mods(void);
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static void layer_switch(uint8_t new_layer);
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/* tap */
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#define TAP_TIME 200
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static keyevent_t last_event = {};
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static uint16_t last_event_time = 0;
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static uint8_t tap_count = 0;
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/* layer */
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uint8_t default_layer = 0;
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uint8_t current_layer = 0;
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uint8_t waiting_layer = 0;
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void action_exec(action_t action, keyevent_t event)
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{
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/* count tap when key is up */
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if (KEYEQ(event.key, last_event.key) && timer_elapsed(last_event_time) < TAP_TIME) {
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if (!event.pressed) tap_count++;
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} else {
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tap_count = 0;
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}
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debug("action: "); debug_hex16(action.code); debug("\n");
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debug("kind.id: "); debug_hex(action.kind.id); debug("\n");
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debug("kind.param: "); debug_hex16(action.kind.param); debug("\n");
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debug("key.code: "); debug_hex(action.key.code); debug("\n");
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debug("key.mods: "); debug_hex(action.key.mods); debug("\n");
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switch (action.kind.id) {
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case ACT_LMODS:
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if (event.pressed) {
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register_mods(action.key.mods);
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register_code(action.key.code);
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} else {
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unregister_code(action.key.code);
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unregister_mods(action.key.mods);
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}
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break;
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case ACT_RMODS:
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if (event.pressed) {
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register_mods(action.key.mods<<4);
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register_code(action.key.code);
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} else {
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unregister_code(action.key.code);
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unregister_mods(action.key.mods<<4);
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}
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break;
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case ACT_LAYER:
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switch (action.layer_key.code) {
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case 0x00: // Momentary switch
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// TODO: history of layer switch
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if (event.pressed) {
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layer_switch(action.layer_key.layer);
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} else {
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layer_switch(default_layer);
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}
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break;
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case 0x01: // Oneshot switch
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// TODO:
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break;
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case 0x02: // reserved
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case 0x03: // reserved
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break;
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case 0xF0 ... 0xF7: // Tap to enable/disable
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case 0xF8 ... 0xFF: // Tap to toggle layer
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// TODO:
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break;
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default: // with keycode for tap
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debug("tap: "); debug_hex(tap_count); debug("\n");
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// TODO: layer switch
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// TODO: in case tap is interrupted by other key
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if (event.pressed) {
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// when any key down
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if (host_has_anykey()) {
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if (tap_count == 0)
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register_code(action.layer_key.code);
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} else {
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}
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if (tap_count == 0) {
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if (host_has_anykey()) {
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register_code(action.layer_key.code);
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} else {
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waiting_layer = action.layer_key.layer;
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}
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}
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// register key when press after a tap
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if (tap_count > 0) {
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register_code(action.layer_key.code);
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}
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} else {
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// type key after tap
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if (tap_count == 1) {
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register_code(action.layer_key.code);
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}
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unregister_code(action.layer_key.code);
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}
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break;
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}
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break;
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case ACT_USAGE:
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#ifdef EXTRAKEY_ENABLE
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switch (action.usage.page) {
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case ACTION_USAGE_PAGE_SYSTEM:
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if (event.pressed) {
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host_system_send(action.usage.code);
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} else {
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host_system_send(0);
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}
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break;
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case ACTION_USAGE_PAGE_CONSUMER:
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if (event.pressed) {
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host_consumer_send(action.usage.code);
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} else {
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host_consumer_send(0);
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}
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break;
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}
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#endif
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break;
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case ACT_MOUSEKEY:
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#ifdef MOUSEKEY_ENABLE
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if (event.pressed) {
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mousekey_on(action.key.code);
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mousekey_send();
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} else {
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mousekey_off(action.key.code);
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mousekey_send();
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}
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#endif
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break;
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case ACT_LMOD_TAP:
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case ACT_RMOD_TAP:
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case ACT_MACRO:
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case ACT_COMMAND:
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case ACT_FUNCTION:
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default:
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break;
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}
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/* last event */
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last_event = event;
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last_event_time = timer_read();
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}
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#if 0
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/* Key Action */
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inline
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static void key_action(uint8_t code, keyevent_t event)
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{
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if (event.pressed)
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key_pressed(code, event);
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else
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key_released(code, event);
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}
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void fn_action(uint8_t code, keyevent_t event)
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{
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}
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/* Key */
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inline static void key_pressed(uint8_t code, keyevent_t event)
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{
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uint8_t tmp_mods;
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switch (kbdstate) {
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case IDLE:
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register_code(code);
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NEXT(PRESSING);
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break;
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case PRESSING:
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register_code(code);
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break;
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case DELAYING:
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waiting_key = (keyrecord_t) {
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.event = event,
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.code = code,
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.mods = keyboard_report->mods,
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.time = timer_read()
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};
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NEXT(WAITING);
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break;
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case WAITING:
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// play back key stroke
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tmp_mods = keyboard_report->mods;
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host_set_mods(delayed_fn.mods);
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register_code(delayed_fn.code);
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host_set_mods(waiting_key.mods);
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register_code(waiting_key.code);
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host_set_mods(tmp_mods);
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register_code(code);
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NEXT(IDLE);
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break;
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}
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}
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inline static void key_released(uint8_t code, keyevent_t event)
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{
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uint8_t tmp_mods;
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switch (kbdstate) {
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case IDLE:
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unregister_code(code);
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break;
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case PRESSING:
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unregister_code(code);
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if (!anykey_sent_to_host())
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NEXT(IDLE);
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break;
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case DELAYING:
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unregister_code(code);
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break;
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case WAITING:
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if (code == waiting_key.code) {
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layer_switch_on(delayed_fn.code);
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NEXT(IDLE);
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// process waiting_key
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tmp_mods = keyboard_report->mods;
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host_set_mods(waiting_key.mods);
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keymap_process_event(waiting_key.event);
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host_set_mods(tmp_mods);
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keymap_process_event(event);
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} else {
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unregister_code(code);
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}
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break;
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}
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}
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/* layer switch momentary */
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inline static void layerkey_pressed(uint8_t code, keyevent_t event)
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{
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uint8_t tmp_mods;
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switch (kbdstate) {
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case IDLE:
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layer_switch_on(code);
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break;
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case PRESSING:
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// ignore
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break;
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case DELAYING:
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waiting_key = (keyrecord_t) {
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.event = event,
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.code = code,
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.mods = keyboard_report->mods,
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.time = timer_read()
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};
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NEXT(WAITING);
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break;
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case WAITING:
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tmp_mods = keyboard_report->mods;
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host_set_mods(delayed_fn.mods);
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register_code(delayed_fn.code);
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host_set_mods(waiting_key.mods);
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register_code(waiting_key.code);
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||
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|
host_set_mods(tmp_mods);
|
||
|
|
if (kind == FN_DOWN) {
|
||
|
|
// ignore Fn
|
||
|
|
} else if (kind == FNK_DOWN) {
|
||
|
|
register_code(code);
|
||
|
|
} else if (kind == KEY_DOWN) {
|
||
|
|
register_code(code);
|
||
|
|
}
|
||
|
|
NEXT(IDLE);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
inline static void layerkey_released(uint8_t code, keyevent_t event)
|
||
|
|
{
|
||
|
|
switch (kbdstate) {
|
||
|
|
case IDLE:
|
||
|
|
layer_switch_off(code);
|
||
|
|
break;
|
||
|
|
case PRESSING:
|
||
|
|
case DELAYING:
|
||
|
|
case WAITING:
|
||
|
|
if (layer_switch_off(code))
|
||
|
|
NEXT(IDLE);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
static 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)) {
|
||
|
|
host_add_key(code);
|
||
|
|
host_send_keyboard_report();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if IS_MOD(code) {
|
||
|
|
host_add_mods(MOD_BIT(code));
|
||
|
|
host_send_keyboard_report();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
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_mods(MOD_BIT(code));
|
||
|
|
host_send_keyboard_report();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void register_mods(uint8_t mods)
|
||
|
|
{
|
||
|
|
if (!mods) return;
|
||
|
|
host_add_mods(mods);
|
||
|
|
host_send_keyboard_report();
|
||
|
|
}
|
||
|
|
|
||
|
|
static void unregister_mods(uint8_t mods)
|
||
|
|
{
|
||
|
|
if (!mods) return;
|
||
|
|
host_del_mods(mods);
|
||
|
|
host_send_keyboard_report();
|
||
|
|
}
|
||
|
|
|
||
|
|
static void clear_keyboard(void)
|
||
|
|
{
|
||
|
|
host_clear_mods();
|
||
|
|
clear_keyboard_but_mods();
|
||
|
|
}
|
||
|
|
|
||
|
|
static void clear_keyboard_but_mods(void)
|
||
|
|
{
|
||
|
|
host_clear_keys();
|
||
|
|
host_send_keyboard_report();
|
||
|
|
#ifdef MOUSEKEY_ENABLE
|
||
|
|
mousekey_clear();
|
||
|
|
mousekey_send();
|
||
|
|
#endif
|
||
|
|
#ifdef EXTRAKEY_ENABLE
|
||
|
|
host_system_send(0);
|
||
|
|
host_consumer_send(0);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
static 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");
|
||
|
|
|
||
|
|
current_layer = new_layer;
|
||
|
|
clear_keyboard_but_mods(); // To avoid stuck keys
|
||
|
|
}
|
||
|
|
}
|