+/*
+Copyright 2012,2013 Jun Wako <wakojun@gmail.com>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
#include "host.h"
#include "timer.h"
#include "keymap.h"
#include "action.h"
-static void process(keyrecord_t *record);
+static bool process_tapping(keyrecord_t *record);
+static void process_action(keyrecord_t *record);
+
-// TODO
-/* layer */
-uint8_t default_layer = 0;
-uint8_t current_layer = 0;
+/*
+ * Tapping
+ */
+/* period of tapping(ms) */
+#ifndef TAPPING_TERM
+#define TAPPING_TERM 200
+#endif
-/* tap term(ms) */
-#define TAP_TERM 200
-/* number of tap which fires toggle feature */
-#define TAP_TOGGLE 5
+/* tap count needed for toggling a feature */
+#ifndef TAPPING_TOGGLE
+#define TAPPING_TOGGLE 5
+#endif
-/* This counts up when tap occurs */
-uint8_t tap_count = 0;
-keyevent_t tapping_event = {};
-keyrecord_t tapping_key = {};
+/* stores a key event of current tap. */
+static keyrecord_t tapping_key = {};
-/* TAPPING: This indicates that whether tap or not is not decided yet. */
-// NOTE: keyevent_t.time 0 means no event.
-#define IS_TAPPING() (tapping_key.event.time != 0)
+#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_TAP_TERM(e) (TIMER_DIFF_16(e.time, tapping_key.event.time) < TAP_TERM)
+#define WITHIN_TAPPING_TERM(e) (TIMER_DIFF_16(e.time, tapping_key.event.time) < TAPPING_TERM)
+
-/* waiting keys buffer */
+/*
+ * Waiting buffer
+ *
+ * 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;
static keyrecord_t waiting_buffer_deq(void)
{
if (waiting_buffer_head == waiting_buffer_tail) {
- return (keyrecord_t){}; // ???
+ return (keyrecord_t){};
}
uint8_t last_tail = waiting_buffer_tail;
waiting_buffer_tail = waiting_buffer_tail + 1 % WAITING_BUFFER_SIZE;
}
-/*
- * Rule to judge tap:
- * Tap key is typed(pressed and released) within TAP_TERM
- * without interfaring by typing other key.
- */
-/* return true when key event is processed. */
-static bool process_tap(keyrecord_t *keyp)
-{
- keyevent_t event = keyp->event;
-
- // if tapping
- if (IS_TAPPING_PRESSED()) {
- if (WITHIN_TAP_TERM(event)) {
- if (tapping_key.tap_count == 0) {
- if (IS_TAPPING_KEY(event.key) && !event.pressed) {
- // first tap!
- debug("Tapping: First tap.\n");
- tapping_key.tap_count = 1;
- process(&tapping_key);
-
- // enqueue
- keyp->tap_count = tapping_key.tap_count;
- return false;
- } else if (!event.pressed && waiting_buffer_typed(event)) {
- // other key typed. not tap.
- debug("Tapping: End(No tap. Interfered by typing key).\n");
- process(&tapping_key);
- tapping_key = (keyrecord_t){};
-
- // enqueue
- return false;
- } else {
- // other key events shall be stored till tapping state settles.
- return false;
- }
- } else {
- if (IS_TAPPING_KEY(event.key) && !event.pressed) {
- keyp->tap_count = tapping_key.tap_count;
- debug("Tapping: tap release("); debug_dec(keyp->tap_count); debug(")\n");
- tapping_key = *keyp;
- return false;
- }
- else if (is_tap_key(keyp->event.key) && event.pressed) {
- debug("Tapping: Start with forcing to release last tap.\n");
- process(&(keyrecord_t){
- .tap_count = tapping_key.tap_count,
- .event.key = tapping_key.event.key,
- .event.time = event.time,
- .event.pressed = false
- });
- tapping_key = *keyp;
- return false;
- }
- else {
- if (!IS_NOEVENT(keyp->event)) debug("Tapping: key event while tap.\n");
- process(keyp);
- return true;
- }
- }
- }
- // not within TAP_TERM
- else {
- if (tapping_key.tap_count == 0) {
- // timeout. not tap.
- debug("Tapping: End. Not tap(time out).\n");
- process(&tapping_key);
- tapping_key = (keyrecord_t){};
- return false;
- } else {
- if (IS_TAPPING_KEY(event.key) && !event.pressed) {
- debug("Tapping: End. tap release.");
- keyp->tap_count = tapping_key.tap_count;
- process(keyp);
- tapping_key = (keyrecord_t){};
- return true;
- } else {
- // other key after tap time out.
- process(keyp);
- return true;
- }
- }
- }
- } else if (IS_TAPPING_RELEASED()) {
- if (WITHIN_TAP_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(keyp);
- tapping_key = *keyp;
- 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;
- return true;
- } else {
- if (!IS_NOEVENT(keyp->event)) debug("Tapping: other key just after tap.\n");
- process(keyp);
- return true;
- }
- } else {
- // timeout. no sequential tap.
- debug("Tapping: End(Time out after releasing last tap).\n");
- tapping_key = (keyrecord_t){};
- process(keyp);
- return true;
- }
- } else {
- if (event.pressed && is_tap_key(event.key)) {
- debug("Tapping: Start(Press tap key).\n");
- tapping_key = *keyp;
- return true;
- } else {
- process(keyp);
- return true;
- }
- }
-}
void action_exec(keyevent_t event)
{
keyrecord_t record = { .event = event };
// pre-process on tapping
- if (process_tap(&record)) {
+ if (process_tapping(&record)) {
if (!IS_NOEVENT(record.event)) debug("processed.\n");
} else {
if (!IS_NOEVENT(record.event)) debug("enqueued.\n");
// process waiting_buffer
for (; waiting_buffer_tail != waiting_buffer_head; waiting_buffer_tail = (waiting_buffer_tail + 1) % WAITING_BUFFER_SIZE) {
- if (process_tap(&waiting_buffer[waiting_buffer_tail])) {
+ if (process_tapping(&waiting_buffer[waiting_buffer_tail])) {
debug("processed: waiting_buffer["); debug_dec(waiting_buffer_tail); debug("] = ");
debug_hex16(waiting_buffer[waiting_buffer_tail].event.key.raw); debug("\n");
} else {
}
}
-static void process(keyrecord_t *record)
+static void process_action(keyrecord_t *record)
{
keyevent_t event = record->event;
uint8_t tap_count = record->tap_count;
case 0xF0:
// tap toggle
if (event.pressed) {
- if (tap_count < TAP_TOGGLE) {
+ if (tap_count < TAPPING_TOGGLE) {
layer_switch(action.layer.opt);
}
} else {
- if (tap_count >= TAP_TOGGLE) {
+ if (tap_count >= TAPPING_TOGGLE) {
debug("LAYER_PRESSED: tap toggle.\n");
layer_switch(action.layer.opt);
}
case 0xF0:
// tap toggle
if (event.pressed) {
- if (tap_count >= TAP_TOGGLE) {
+ if (tap_count >= TAPPING_TOGGLE) {
debug("LAYER_RELEASED: tap toggle.\n");
layer_switch(action.layer.opt);
}
} else {
- if (tap_count < TAP_TOGGLE) {
+ if (tap_count < TAPPING_TOGGLE) {
layer_switch(action.layer.opt);
}
}
case 0xF0:
// tap toggle
if (event.pressed) {
- if (tap_count < TAP_TOGGLE) {
+ if (tap_count < TAPPING_TOGGLE) {
debug("LAYER_BIT: tap toggle(press).\n");
layer_switch(current_layer | action.layer.opt);
}
} else {
- if (tap_count < TAP_TOGGLE) {
+ if (tap_count < TAPPING_TOGGLE) {
debug("LAYER_BIT: tap toggle(release).\n");
layer_switch(current_layer & ~action.layer.opt);
} else {
case 0xF0:
// tap toggle
if (event.pressed) {
- if (tap_count < TAP_TOGGLE) {
+ if (tap_count < TAPPING_TOGGLE) {
layer_switch(default_layer);
}
} else {
- if (tap_count >= TAP_TOGGLE) {
+ if (tap_count >= TAPPING_TOGGLE) {
debug("LAYER_EXT_PRESSED: tap toggle.\n");
layer_switch(default_layer);
}
case 0xF0:
// tap toggle
if (event.pressed) {
- if (tap_count >= TAP_TOGGLE) {
+ if (tap_count >= TAPPING_TOGGLE) {
debug("LAYER_EXT_RELEASED: tap toggle.\n");
layer_switch(default_layer);
}
} else {
- if (tap_count < TAP_TOGGLE) {
+ if (tap_count < TAPPING_TOGGLE) {
layer_switch(default_layer);
}
}
case ACT_COMMAND:
break;
case ACT_FUNCTION:
+ // TODO
action_call_function(event, action.func.id);
break;
default:
}
}
+/* Tapping
+ *
+ * Rule: Tap key is typed(pressed and released) within TAPPING_TERM
+ * without interfaring by typing other key.
+ */
+/* return true when key event is processed. */
+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.\n");
+ tapping_key.tap_count = 1;
+ process_action(&tapping_key);
+
+ // enqueue
+ keyp->tap_count = tapping_key.tap_count;
+ return false;
+ } 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){};
+
+ // enqueue
+ return false;
+ } else {
+ // other key events shall be stored till tapping state settles.
+ return false;
+ }
+ } else {
+ if (IS_TAPPING_KEY(event.key) && !event.pressed) {
+ keyp->tap_count = tapping_key.tap_count;
+ debug("Tapping: tap release("); debug_dec(keyp->tap_count); debug(")\n");
+ tapping_key = *keyp;
+ return false;
+ }
+ else if (is_tap_key(keyp->event.key) && event.pressed) {
+ debug("Tapping: Start with forcing to release last tap.\n");
+ process_action(&(keyrecord_t){
+ .tap_count = tapping_key.tap_count,
+ .event.key = tapping_key.event.key,
+ .event.time = event.time,
+ .event.pressed = false
+ });
+ tapping_key = *keyp;
+ return false;
+ }
+ else {
+ if (!IS_NOEVENT(keyp->event)) debug("Tapping: key event while tap.\n");
+ process_action(keyp);
+ return true;
+ }
+ }
+ }
+ // not within TAPPING_TERM
+ else {
+ if (tapping_key.tap_count == 0) {
+ // timeout. not tap.
+ debug("Tapping: End. Not tap(time out).\n");
+ process_action(&tapping_key);
+ tapping_key = (keyrecord_t){};
+ return false;
+ } else {
+ if (IS_TAPPING_KEY(event.key) && !event.pressed) {
+ debug("Tapping: End. tap release.");
+ keyp->tap_count = tapping_key.tap_count;
+ process_action(keyp);
+ tapping_key = (keyrecord_t){};
+ return true;
+ } else {
+ // other key after tap time out.
+ 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;
+ 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;
+ 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(Time out after releasing last tap).\n");
+ tapping_key = (keyrecord_t){};
+ process_action(keyp);
+ return true;
+ }
+ } else {
+ if (event.pressed && is_tap_key(event.key)) {
+ debug("Tapping: Start(Press tap key).\n");
+ tapping_key = *keyp;
+ return true;
+ } else {
+ process_action(keyp);
+ return true;
+ }
+ }
+}
+
+
/*
* Utilities for actions.
current_layer = new_layer;
clear_keyboard_but_mods(); // To avoid stuck keys
- // TODO: update mods with full scan of matrix? if modifier changes between layers
+ // NOTE: update mods with full scan of matrix? if modifier changes between layers
}
}
projects / max / tmk_keyboard.git / commitdiff