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authorStefan Kerkmann <karlk90@pm.me>2023-04-03 10:33:45 +0200
committerGitHub <noreply@github.com>2023-04-03 18:33:45 +1000
commitfcf8b804ed95a98561bd4c1d6c85604be0f7cc7b (patch)
tree6b6917d99ced027d614e7b461e1cd1939833a9cd /quantum
parent2d9140af53e4e5bbc5cd50a2b6f3eda20ed8f71e (diff)
[Core] Refactor `keyevent_t` for 1ms timing resolution (#15847)
Diffstat (limited to 'quantum')
-rw-r--r--quantum/action_tapping.c116
-rw-r--r--quantum/encoder.c4
-rw-r--r--quantum/keyboard.c2
-rw-r--r--quantum/keyboard.h59
-rw-r--r--quantum/process_keycode/process_combo.c10
-rw-r--r--quantum/process_keycode/process_steno.c6
6 files changed, 106 insertions, 91 deletions
diff --git a/quantum/action_tapping.c b/quantum/action_tapping.c
index dbb5b8d4e5..362b15105c 100644
--- a/quantum/action_tapping.c
+++ b/quantum/action_tapping.c
@@ -15,14 +15,10 @@
# error "IGNORE_MOD_TAP_INTERRUPT is no longer necessary as it is now the default behavior of mod-tap keys. Please remove it from your config."
# endif
-# define IS_TAPPING() IS_EVENT(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)))
# ifndef COMBO_ENABLE
-# define IS_TAPPING_RECORD(r) (IS_TAPPING() && KEYEQ(tapping_key.event.key, (r->event.key)))
+# define IS_TAPPING_RECORD(r) (KEYEQ(tapping_key.event.key, (r->event.key)))
# else
-# define IS_TAPPING_RECORD(r) (IS_TAPPING() && KEYEQ(tapping_key.event.key, (r->event.key)) && tapping_key.keycode == r->keycode)
+# define IS_TAPPING_RECORD(r) (KEYEQ(tapping_key.event.key, (r->event.key)) && tapping_key.keycode == r->keycode)
# endif
# define WITHIN_TAPPING_TERM(e) (TIMER_DIFF_16(e.time, tapping_key.event.time) < GET_TAPPING_TERM(get_record_keycode(&tapping_key, false), &tapping_key))
# define WITHIN_QUICK_TAP_TERM(e) (TIMER_DIFF_16(e.time, tapping_key.event.time) < GET_QUICK_TAP_TERM(get_record_keycode(&tapping_key, false), &tapping_key))
@@ -94,7 +90,7 @@ void action_tapping_process(keyrecord_t record) {
ac_dprintf("OVERFLOW: CLEAR ALL STATES\n");
clear_keyboard();
waiting_buffer_clear();
- tapping_key = (keyrecord_t){};
+ tapping_key = (keyrecord_t){0};
}
}
@@ -121,7 +117,7 @@ void action_tapping_process(keyrecord_t record) {
* conditional uses of it are hidden inside macros named TAP_...
*/
# if (defined(AUTO_SHIFT_ENABLE) && defined(RETRO_SHIFT)) || defined(PERMISSIVE_HOLD_PER_KEY) || defined(HOLD_ON_OTHER_KEY_PRESS_PER_KEY)
-# define TAP_DEFINE_KEYCODE uint16_t tapping_keycode = get_record_keycode(&tapping_key, false)
+# define TAP_DEFINE_KEYCODE const uint16_t tapping_keycode = get_record_keycode(&tapping_key, false)
# else
# define TAP_DEFINE_KEYCODE
# endif
@@ -167,12 +163,37 @@ void action_tapping_process(keyrecord_t record) {
*/
/* return true when key event is processed or consumed. */
bool process_tapping(keyrecord_t *keyp) {
- keyevent_t event = keyp->event;
+ const keyevent_t event = keyp->event;
+
+ // state machine is in the "reset" state, no tapping key is to be
+ // processed
+ if (IS_NOEVENT(tapping_key.event) && IS_EVENT(event)) {
+ if (event.pressed && is_tap_record(keyp)) {
+ // the currently pressed key is a tapping key, therefore transition
+ // into the "pressed" tapping key state
+ ac_dprintf("Tapping: Start(Press tap key).\n");
+ tapping_key = *keyp;
+ process_record_tap_hint(&tapping_key);
+ waiting_buffer_scan_tap();
+ debug_tapping_key();
+ return true;
+ } else {
+ // the current key is just a regular key, pass it on for regular
+ // processing
+ process_record(keyp);
+ return true;
+ }
+ }
+
TAP_DEFINE_KEYCODE;
- // if tapping
- if (IS_TAPPING_PRESSED()) {
+ // process "pressed" tapping key state
+ if (tapping_key.event.pressed) {
if (WITHIN_TAPPING_TERM(event) || MAYBE_RETRO_SHIFTING(event)) {
+ if (IS_NOEVENT(event)) {
+ // early return for tick events
+ return true;
+ }
if (tapping_key.tap.count == 0) {
if (IS_TAPPING_RECORD(keyp) && !event.pressed) {
# if defined(AUTO_SHIFT_ENABLE) && defined(RETRO_SHIFT)
@@ -196,7 +217,7 @@ bool process_tapping(keyrecord_t *keyp) {
// clang-format off
else if (
(
- IS_RELEASED(event) && waiting_buffer_typed(event) &&
+ !event.pressed && waiting_buffer_typed(event) &&
TAP_GET_PERMISSIVE_HOLD
)
// Causes nested taps to not wait past TAPPING_TERM/RETRO_SHIFT
@@ -214,7 +235,7 @@ bool process_tapping(keyrecord_t *keyp) {
|| (
TAP_IS_RETRO
&& (event.key.col != tapping_key.event.key.col || event.key.row != tapping_key.event.key.row)
- && IS_RELEASED(event) && waiting_buffer_typed(event)
+ && !event.pressed && waiting_buffer_typed(event)
)
)
)
@@ -222,7 +243,7 @@ bool process_tapping(keyrecord_t *keyp) {
// clang-format on
ac_dprintf("Tapping: End. No tap. Interfered by typing key\n");
process_record(&tapping_key);
- tapping_key = (keyrecord_t){};
+ tapping_key = (keyrecord_t){0};
debug_tapping_key();
// enqueue
return false;
@@ -231,7 +252,7 @@ bool process_tapping(keyrecord_t *keyp) {
* Without this unexpected repeating will occur with having fast repeating setting
* https://github.com/tmk/tmk_keyboard/issues/60
*/
- else if (IS_RELEASED(event) && !waiting_buffer_typed(event)) {
+ else if (!event.pressed && !waiting_buffer_typed(event)) {
// Modifier/Layer should be retained till end of this tapping.
action_t action = layer_switch_get_action(event.key);
switch (action.kind.id) {
@@ -267,7 +288,7 @@ bool process_tapping(keyrecord_t *keyp) {
if (TAP_GET_HOLD_ON_OTHER_KEY_PRESS) {
ac_dprintf("Tapping: End. No tap. Interfered by pressed key\n");
process_record(&tapping_key);
- tapping_key = (keyrecord_t){};
+ tapping_key = (keyrecord_t){0};
debug_tapping_key();
// enqueue
return false;
@@ -295,6 +316,7 @@ bool process_tapping(keyrecord_t *keyp) {
.event.key = tapping_key.event.key,
.event.time = event.time,
.event.pressed = false,
+ .event.type = tapping_key.event.type,
# ifdef COMBO_ENABLE
.keycode = tapping_key.keycode,
# endif
@@ -307,9 +329,7 @@ bool process_tapping(keyrecord_t *keyp) {
debug_tapping_key();
return true;
} else {
- if (IS_EVENT(event)) {
- ac_dprintf("Tapping: key event while last tap(>0).\n");
- }
+ ac_dprintf("Tapping: key event while last tap(>0).\n");
process_record(keyp);
return true;
}
@@ -322,15 +342,18 @@ bool process_tapping(keyrecord_t *keyp) {
debug_event(event);
ac_dprintf("\n");
process_record(&tapping_key);
- tapping_key = (keyrecord_t){};
+ tapping_key = (keyrecord_t){0};
debug_tapping_key();
return false;
} else {
+ if (IS_NOEVENT(event)) {
+ return true;
+ }
if (IS_TAPPING_RECORD(keyp) && !event.pressed) {
ac_dprintf("Tapping: End. last timeout tap release(>0).");
keyp->tap = tapping_key.tap;
process_record(keyp);
- tapping_key = (keyrecord_t){};
+ tapping_key = (keyrecord_t){0};
return true;
} else if (is_tap_record(keyp) && event.pressed) {
if (tapping_key.tap.count > 1) {
@@ -341,6 +364,7 @@ bool process_tapping(keyrecord_t *keyp) {
.event.key = tapping_key.event.key,
.event.time = event.time,
.event.pressed = false,
+ .event.type = tapping_key.event.type,
# ifdef COMBO_ENABLE
.keycode = tapping_key.keycode,
# endif
@@ -353,16 +377,20 @@ bool process_tapping(keyrecord_t *keyp) {
debug_tapping_key();
return true;
} else {
- if (IS_EVENT(event)) {
- ac_dprintf("Tapping: key event while last timeout tap(>0).\n");
- }
+ ac_dprintf("Tapping: key event while last timeout tap(>0).\n");
process_record(keyp);
return true;
}
}
}
- } else if (IS_TAPPING_RELEASED()) {
+ }
+ // process "released" tapping key state
+ else {
if (WITHIN_TAPPING_TERM(event) || MAYBE_RETRO_SHIFTING(event)) {
+ if (IS_NOEVENT(event)) {
+ // early return for tick events
+ return true;
+ }
if (event.pressed) {
if (IS_TAPPING_RECORD(keyp)) {
if (WITHIN_QUICK_TAP_TERM(event) && !tapping_key.tap.interrupted && tapping_key.tap.count > 0) {
@@ -393,35 +421,20 @@ bool process_tapping(keyrecord_t *keyp) {
return true;
}
} else {
- if (IS_EVENT(event)) ac_dprintf("Tapping: other key just after tap.\n");
+ ac_dprintf("Tapping: other key just after tap.\n");
process_record(keyp);
return true;
}
} else {
- // FIX: process_action here?
- // timeout. no sequential tap.
+ // Timeout - reset state machine.
ac_dprintf("Tapping: End(Timeout after releasing last tap): ");
debug_event(event);
ac_dprintf("\n");
- tapping_key = (keyrecord_t){};
+ tapping_key = (keyrecord_t){0};
debug_tapping_key();
return false;
}
}
- // not tapping state
- else {
- if (event.pressed && is_tap_record(keyp)) {
- ac_dprintf("Tapping: Start(Press tap key).\n");
- tapping_key = *keyp;
- process_record_tap_hint(&tapping_key);
- waiting_buffer_scan_tap();
- debug_tapping_key();
- return true;
- } else {
- process_record(keyp);
- return true;
- }
- }
}
/** \brief Waiting buffer enq
@@ -484,15 +497,18 @@ __attribute__((unused)) bool waiting_buffer_has_anykey_pressed(void) {
* FIXME: Needs docs
*/
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;
+ // early return if:
+ // - tapping already is settled
+ // - invalid state: tapping_key released && tap.count == 0
+ if ((tapping_key.tap.count > 0) || !tapping_key.event.pressed) {
+ return;
+ }
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;
+ keyrecord_t *candidate = &waiting_buffer[i];
+ if (IS_EVENT(candidate->event) && KEYEQ(candidate->event.key, tapping_key.event.key) && !candidate->event.pressed && WITHIN_TAPPING_TERM(candidate->event)) {
+ tapping_key.tap.count = 1;
+ candidate->tap.count = 1;
process_record(&tapping_key);
ac_dprintf("waiting_buffer_scan_tap: found at [%u]\n", i);
diff --git a/quantum/encoder.c b/quantum/encoder.c
index 3aee340249..8053913e8d 100644
--- a/quantum/encoder.c
+++ b/quantum/encoder.c
@@ -147,12 +147,12 @@ void encoder_init(void) {
#ifdef ENCODER_MAP_ENABLE
static void encoder_exec_mapping(uint8_t index, bool clockwise) {
// The delays below cater for Windows and its wonderful requirements.
- action_exec(clockwise ? ENCODER_CW_EVENT(index, true) : ENCODER_CCW_EVENT(index, true));
+ action_exec(clockwise ? MAKE_ENCODER_CW_EVENT(index, true) : MAKE_ENCODER_CCW_EVENT(index, true));
# if ENCODER_MAP_KEY_DELAY > 0
wait_ms(ENCODER_MAP_KEY_DELAY);
# endif // ENCODER_MAP_KEY_DELAY > 0
- action_exec(clockwise ? ENCODER_CW_EVENT(index, false) : ENCODER_CCW_EVENT(index, false));
+ action_exec(clockwise ? MAKE_ENCODER_CW_EVENT(index, false) : MAKE_ENCODER_CCW_EVENT(index, false));
# if ENCODER_MAP_KEY_DELAY > 0
wait_ms(ENCODER_MAP_KEY_DELAY);
# endif // ENCODER_MAP_KEY_DELAY > 0
diff --git a/quantum/keyboard.c b/quantum/keyboard.c
index 6f1ad33b61..90f6d6f8da 100644
--- a/quantum/keyboard.c
+++ b/quantum/keyboard.c
@@ -462,7 +462,7 @@ static inline void generate_tick_event(void) {
static uint16_t last_tick = 0;
const uint16_t now = timer_read();
if (TIMER_DIFF_16(now, last_tick) != 0) {
- action_exec(TICK_EVENT);
+ action_exec(MAKE_TICK_EVENT);
last_tick = now;
}
}
diff --git a/quantum/keyboard.h b/quantum/keyboard.h
index f82f2fa58a..bf1890d10b 100644
--- a/quantum/keyboard.h
+++ b/quantum/keyboard.h
@@ -30,65 +30,64 @@ typedef struct {
uint8_t row;
} keypos_t;
+typedef enum keyevent_type_t { TICK_EVENT = 0, KEY_EVENT = 1, ENCODER_CW_EVENT = 2, ENCODER_CCW_EVENT = 3, COMBO_EVENT = 4 } keyevent_type_t;
+
/* key event */
typedef struct {
- keypos_t key;
- bool pressed;
- uint16_t time;
+ keypos_t key;
+ uint16_t time;
+ keyevent_type_t type;
+ bool pressed;
} keyevent_t;
/* equivalent test of keypos_t */
#define KEYEQ(keya, keyb) ((keya).row == (keyb).row && (keya).col == (keyb).col)
/* special keypos_t entries */
-#define KEYLOC_TICK 255
-#define KEYLOC_COMBO 254
#define KEYLOC_ENCODER_CW 253
#define KEYLOC_ENCODER_CCW 252
-/* Rules for No Event:
- * 1) (time == 0) to handle (keyevent_t){} as empty event
- * 2) Matrix(255, 255) to make TICK event available
- */
-static inline bool IS_NOEVENT(keyevent_t event) {
- return event.time == 0 || (event.key.row == KEYLOC_TICK && event.key.col == KEYLOC_TICK);
-}
-static inline bool IS_EVENT(keyevent_t event) {
- return !IS_NOEVENT(event);
-}
-static inline bool IS_KEYEVENT(keyevent_t event) {
- return event.key.row < MATRIX_ROWS && event.key.col < MATRIX_COLS;
+static inline bool IS_NOEVENT(const keyevent_t event) {
+ return event.type == TICK_EVENT;
}
-static inline bool IS_COMBOEVENT(keyevent_t event) {
- return event.key.row == KEYLOC_COMBO;
+static inline bool IS_EVENT(const keyevent_t event) {
+ return event.type != TICK_EVENT;
}
-static inline bool IS_ENCODEREVENT(keyevent_t event) {
- return event.key.row == KEYLOC_ENCODER_CW || event.key.row == KEYLOC_ENCODER_CCW;
+static inline bool IS_KEYEVENT(const keyevent_t event) {
+ return event.type == KEY_EVENT;
}
-static inline bool IS_PRESSED(keyevent_t event) {
- return IS_EVENT(event) && event.pressed;
+static inline bool IS_COMBOEVENT(const keyevent_t event) {
+ return event.type == COMBO_EVENT;
}
-static inline bool IS_RELEASED(keyevent_t event) {
- return IS_EVENT(event) && !event.pressed;
+static inline bool IS_ENCODEREVENT(const keyevent_t event) {
+ return event.type == ENCODER_CW_EVENT || event.type == ENCODER_CCW_EVENT;
}
-/* Common keyevent object factory */
+/* Common keypos_t object factory */
#define MAKE_KEYPOS(row_num, col_num) ((keypos_t){.row = (row_num), .col = (col_num)})
+/* Common keyevent_t object factory */
+#define MAKE_EVENT(row_num, col_num, press, event_type) ((keyevent_t){.key = MAKE_KEYPOS((row_num), (col_num)), .pressed = (press), .time = timer_read(), .type = (event_type)})
+
/**
* @brief Constructs a key event for a pressed or released key.
*/
-#define MAKE_KEYEVENT(row_num, col_num, press) ((keyevent_t){.key = MAKE_KEYPOS((row_num), (col_num)), .pressed = (press), .time = (timer_read() | 1)})
+#define MAKE_KEYEVENT(row_num, col_num, press) MAKE_EVENT((row_num), (col_num), (press), KEY_EVENT)
+
+/**
+ * @brief Constructs a combo event.
+ */
+#define MAKE_COMBOEVENT(press) MAKE_EVENT(0, 0, (press), COMBO_EVENT)
/**
* @brief Constructs a internal tick event that is used to drive the internal QMK state machine.
*/
-#define TICK_EVENT MAKE_KEYEVENT(KEYLOC_TICK, KEYLOC_TICK, false)
+#define MAKE_TICK_EVENT MAKE_EVENT(0, 0, false, TICK_EVENT)
#ifdef ENCODER_MAP_ENABLE
/* Encoder events */
-# define ENCODER_CW_EVENT(enc_id, press) MAKE_KEYEVENT(KEYLOC_ENCODER_CW, (enc_id), (press))
-# define ENCODER_CCW_EVENT(enc_id, press) MAKE_KEYEVENT(KEYLOC_ENCODER_CCW, (enc_id), (press))
+# define MAKE_ENCODER_CW_EVENT(enc_id, press) MAKE_EVENT(KEYLOC_ENCODER_CW, (enc_id), (press), ENCODER_CW_EVENT)
+# define MAKE_ENCODER_CCW_EVENT(enc_id, press) MAKE_EVENT(KEYLOC_ENCODER_CCW, (enc_id), (press), ENCODER_CCW_EVENT)
#endif // ENCODER_MAP_ENABLE
/* it runs once at early stage of startup before keyboard_init. */
diff --git a/quantum/process_keycode/process_combo.c b/quantum/process_keycode/process_combo.c
index ce6725c402..b1b49d3019 100644
--- a/quantum/process_keycode/process_combo.c
+++ b/quantum/process_keycode/process_combo.c
@@ -145,7 +145,7 @@ static queued_combo_t combo_buffer[COMBO_BUFFER_LENGTH];
static inline void release_combo(uint16_t combo_index, combo_t *combo) {
if (combo->keycode) {
keyrecord_t record = {
- .event = MAKE_KEYEVENT(KEYLOC_COMBO, KEYLOC_COMBO, false),
+ .event = MAKE_COMBOEVENT(false),
.keycode = combo->keycode,
};
#ifndef NO_ACTION_TAPPING
@@ -233,7 +233,7 @@ static inline void dump_key_buffer(void) {
process_record(record);
#endif
}
- record->event.time = 0;
+ record->event.type = TICK_EVENT;
#if defined(CAPS_WORD_ENABLE) && defined(AUTO_SHIFT_ENABLE)
// Edge case: preserve the weak Left Shift mod if both Caps Word and
@@ -333,8 +333,8 @@ void apply_combo(uint16_t combo_index, combo_t *combo) {
KEY_STATE_DOWN(state, key_index);
if (ALL_COMBO_KEYS_ARE_DOWN(state, key_count)) {
// this in the end executes the combo when the key_buffer is dumped.
- record->keycode = combo->keycode;
- record->event.key = MAKE_KEYPOS(KEYLOC_COMBO, KEYLOC_COMBO);
+ record->keycode = combo->keycode;
+ record->event.type = COMBO_EVENT;
qrecord->combo_index = combo_index;
ACTIVATE_COMBO(combo);
@@ -343,7 +343,7 @@ void apply_combo(uint16_t combo_index, combo_t *combo) {
} else {
// key was part of the combo but not the last one, "disable" it
// by making it a TICK event.
- record->event.time = 0;
+ record->event.type = TICK_EVENT;
}
}
drop_combo_from_buffer(combo_index);
diff --git a/quantum/process_keycode/process_steno.c b/quantum/process_keycode/process_steno.c
index 8ba98bd4bb..d5ad61ba85 100644
--- a/quantum/process_keycode/process_steno.c
+++ b/quantum/process_keycode/process_steno.c
@@ -173,13 +173,13 @@ bool process_steno(uint16_t keycode, keyrecord_t *record) {
switch (keycode) {
#ifdef STENO_ENABLE_ALL
case QK_STENO_BOLT:
- if (IS_PRESSED(record->event)) {
+ if (record->event.pressed) {
steno_set_mode(STENO_MODE_BOLT);
}
return false;
case QK_STENO_GEMINI:
- if (IS_PRESSED(record->event)) {
+ if (record->event.pressed) {
steno_set_mode(STENO_MODE_GEMINI);
}
return false;
@@ -193,7 +193,7 @@ bool process_steno(uint16_t keycode, keyrecord_t *record) {
}
#endif // STENO_COMBINEDMAP
case STN__MIN ... STN__MAX:
- if (IS_PRESSED(record->event)) {
+ if (record->event.pressed) {
n_pressed_keys++;
switch (mode) {
#ifdef STENO_ENABLE_BOLT