Add prototype of Action Function.

common/action.c

@@ -11,47 +11,26 @@
 
 
 static void process(keyevent_t event);
-static void register_code(uint8_t code);
+
-static void unregister_code(uint8_t code);
+void test_func(keyevent_t event, uint8_t opt)
-static void add_mods(uint8_t mods);
-static void del_mods(uint8_t mods);
-static void set_mods(uint8_t mods);
-static void clear_keyboard(void);
-static void clear_keyboard_but_mods(void);
-static bool sending_anykey(void);
-static void layer_switch(uint8_t new_layer);
-
-
-/* tap */
-#define TAP_TIME    300
-/* This counts up when tap occurs */
-static uint8_t tap_count = 0;
-static bool is_tap_key(keyevent_t event)
 {
-    action_t action = keymap_get_action(current_layer, event.key.pos.row, event.key.pos.col);
+    if (event.pressed) {
-    switch (action.kind.id) {
+        debug("test_func:pressed: "); debug_hex(opt); debug("\n");
-        case ACT_LMODS_TAP:
+    } else {
-        case ACT_RMODS_TAP:
+        debug("test_func:released: "); debug_hex(opt); debug("\n");
-            return true;
-        case ACT_LAYER_PRESSED:
-        case ACT_LAYER_BIT:
-            switch (action.layer.code) {
-                case 0x00:
-                case 0xF1 ... 0xFF:
-                    return false;
-                case 0xF0:
-                default:
-                    return true;
-            }
-            return false;
     }
-    return false;
 }
 
 /* layer */
 uint8_t default_layer = 0;
 uint8_t current_layer = 0;
-static keyevent_t tapping_event = {};
+
+/* tap term(ms) */
+#define TAP_TIME    200
+
+/* This counts up when tap occurs */
+uint8_t tap_count = 0;
+keyevent_t tapping_event = {};
 
 /* TAPPING: This indicates that whether tap or not is not decided yet. */
 // NOTE:  keyevent_t.time 0 means no event.
@@ -61,26 +40,41 @@ static keyevent_t tapping_event = {};
 #define WAITING_KEYS_BUFFER 8
 static keyevent_t waiting_events[WAITING_KEYS_BUFFER] = {};
 static uint8_t waiting_events_head = 0;
+static uint8_t waiting_events_tail = 0;
+
 static bool waiting_events_enqueue(keyevent_t event)
 {
     if (IS_NOEVENT(event)) { return true; }
 
-    if (waiting_events_head < WAITING_KEYS_BUFFER) {
+    if ((waiting_events_head + 1) % WAITING_KEYS_BUFFER == waiting_events_tail) {
-        debug("waiting_events["); debug_dec(waiting_events_head); debug("] = ");
+        debug("waiting_events_enqueue: Over flow.\n");
-        debug_hex16(event.key.raw); debug("\n");
+        return false;
-        waiting_events[waiting_events_head++] = event;
-        return true;
     }
-    debug("waiting_events_enqueue: Over flow.\n");
+
-    return false;
+    debug("waiting_events["); debug_dec(waiting_events_head); debug("] = ");
+    debug_hex16(event.key.raw); debug("\n");
+
+    waiting_events[waiting_events_head] = event;
+    waiting_events_head = (waiting_events_head + 1)% WAITING_KEYS_BUFFER;
+    return true;
+}
+static keyevent_t waiting_events_dequeue(void)
+{
+    if (waiting_events_head == waiting_events_tail) {
+        return (keyevent_t){};
+    }
+    uint8_t tail = waiting_events_tail;
+    waiting_events_tail = waiting_events_tail + 1 % WAITING_KEYS_BUFFER;
+    return waiting_events[tail];
 }
 static void waiting_events_clear(void)
 {
     waiting_events_head = 0;
+    waiting_events_tail = 0;
 }
 static bool waiting_events_has(key_t key)
 {
-    for (uint8_t i = 0; i < waiting_events_head; i++) {
+    for (uint8_t i = waiting_events_tail; i != waiting_events_head; i = (i + 1) % WAITING_KEYS_BUFFER) {
         if KEYEQ(key, waiting_events[i].key) return true;
     }
     return false;
@@ -88,7 +82,7 @@ static bool waiting_events_has(key_t key)
 static void waiting_events_process_in_current_layer(void)
 {
     // TODO: in case of including tap key in waiting keys
-    for (uint8_t i = 0; i < waiting_events_head; i++) {
+    for (uint8_t i = waiting_events_tail; i != waiting_events_head; i = (i + 1) % WAITING_KEYS_BUFFER) {
         debug("waiting_events_process_in_current_layer["); debug_dec(i); debug("]\n");
         process(waiting_events[i]);
     }
@@ -96,7 +90,7 @@ static void waiting_events_process_in_current_layer(void)
 }
 static bool waiting_events_has_anykey_pressed(void)
 {
-    for (uint8_t i = 0; i < waiting_events_head; i++) {
+    for (uint8_t i = waiting_events_tail; i != waiting_events_head; i = (i + 1) % WAITING_KEYS_BUFFER) {
         if (waiting_events[i].pressed) return true;
     }
     return false;
@@ -137,7 +131,7 @@ void action_exec(keyevent_t event)
                 tap_count = 0;
                 tapping_event = (keyevent_t){};
             } else {
-                //debug("Tapping: pressing tap key.\n");
+                if (!IS_NOEVENT(event)) debug("Tapping: other key while tapping.\n");
                 if (tap_count == 0) {
                     // store event
                     waiting_events_enqueue(event);
@@ -146,14 +140,22 @@ void action_exec(keyevent_t event)
                 process(event);
             }
         } else {
-            //debug("Tapping after releasing tap.\n");
+            // Waiting for sequential tap
-            // Sequential tap
             if (tap_count && event.pressed && KEYEQ(tapping_event.key, event.key)) {
                 tap_count++;
                 tapping_event = event;
                 debug("Tapping: Sequential tap("); debug_hex(tap_count); debug(")\n");
+                process(event);
+            } else if (event.pressed && is_tap_key(event)) {
+                // Sequential tap can be interfered with other tap key.
+                debug("Tapping: Start with interfering other tap.\n");
+                tapping_event = event;
+                tap_count = 0;
+                waiting_events_clear();
+            } else {
+                if (!IS_NOEVENT(event)) debug("Tapping: other key just after tap.\n");
+                process(event);
             }
-            process(event);
         }
     }
     // Not in tapping term
@@ -162,7 +164,7 @@ void action_exec(keyevent_t event)
             if (tapping_event.pressed) {
                 if (tap_count == 0) {
                     // Not tap, holding down normal key.
-                    debug("Not tap.\n");
+                    debug("Tapping: End. Not tap(time out).\n");
                     process(tapping_event);
                     waiting_events_process_in_current_layer();
 
@@ -170,15 +172,27 @@ void action_exec(keyevent_t event)
                     tapping_event = (keyevent_t){};
                     process(event);
                 } else {
-                    // Holding down last tap key.
+                    // Holding down last tap key. waiting for releasing last tap key.
-                    //debug("Time out with holding last tap.\n");
-                    process(event);
                     if (!event.pressed && KEYEQ(tapping_event.key, event.key)) {
-                        debug("Tapping: End(Release holding last tap).\n");
+                        debug("Tapping: End. Release holding last tap(time out).\n");
+                        process(event);
                         // clear after release last tap key
                         tap_count = 0;
                         tapping_event = (keyevent_t){};
                         waiting_events_clear();
+                    } else if (event.pressed && is_tap_key(event)) {
+                        debug("Tapping: Start with forcing to release last tap(time out).\n");
+                        process((keyevent_t){
+                                .key = tapping_event.key,
+                                .time = event.time,
+                                .pressed = false });
+
+                        tap_count = 0;
+                        tapping_event = event;
+                        waiting_events_clear();
+                    } else {
+                        if (!IS_NOEVENT(event)) debug("Tapping: other key while waiting for release of last tap(time out).\n");
+                        process(event);
                     }
                 }
             } else {
@@ -206,7 +220,6 @@ void action_exec(keyevent_t event)
     }
 }
 
-
 static void process(keyevent_t event)
 {
     if (IS_NOEVENT(event)) { return; }
@@ -354,6 +367,20 @@ static void process(keyevent_t event)
                 default:
                     // with tap key
                     if (event.pressed) {
+                        if (IS_TAPPING(event.key)) {
+                           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.opt);
+                           }
+                        } else {
+                            // TODO: while other key tapping
+                                debug("LAYER_PRESSED: No tap: layer_switch\n");
+                                layer_switch(action.layer.opt);
+                        }
+/*
                         if (IS_TAPPING(event.key) && tap_count > 0) {
                             debug("LAYER_PRESSED: Tap: register_code\n");
                             register_code(action.layer.code);
@@ -361,6 +388,7 @@ static void process(keyevent_t event)
                             debug("LAYER_PRESSED: No tap: layer_switch\n");
                             layer_switch(action.layer.opt);
                         }
+*/
                     } else {
                         if (IS_TAPPING(event.key) && tap_count > 0) {
                             debug("LAYER_PRESSED: Tap: unregister_code\n");
@@ -488,14 +516,23 @@ static void process(keyevent_t event)
 
         /* Extentions */
         case ACT_MACRO:
+            break;
         case ACT_COMMAND:
+            break;
         case ACT_FUNCTION:
+            action_call_function(event, action.func.id);
+            //test_func(event, action.func.opt);
+            break;
         default:
             break;
     }
 }
 
-static void register_code(uint8_t code)
+
+/*
+ * Utilities for actions.
+ */
+void register_code(uint8_t code)
 {
     if (code == KC_NO) {
         return;
@@ -513,7 +550,7 @@ 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);
@@ -525,7 +562,7 @@ static void unregister_code(uint8_t code)
     }
 }
 
-static void add_mods(uint8_t mods)
+void add_mods(uint8_t mods)
 {
     if (mods) {
         host_add_mods(mods);
@@ -533,7 +570,7 @@ static void add_mods(uint8_t mods)
     }
 }
 
-static void del_mods(uint8_t mods)
+void del_mods(uint8_t mods)
 {
     if (mods) {
         host_del_mods(mods);
@@ -541,19 +578,19 @@ static void del_mods(uint8_t mods)
     }
 }
 
-static void set_mods(uint8_t mods)
+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();
@@ -567,13 +604,13 @@ static void clear_keyboard_but_mods(void)
 #endif
 }
 
-static bool sending_anykey(void)
+bool sending_anykey(void)
 {
     return (host_has_anykey() || host_mouse_in_use() ||
             host_last_sysytem_report() || host_last_consumer_report());
 }
 
-static void layer_switch(uint8_t new_layer)
+void layer_switch(uint8_t new_layer)
 {
     if (current_layer != new_layer) {
         debug("Layer Switch: "); debug_hex(current_layer);
@@ -584,3 +621,30 @@ static void layer_switch(uint8_t new_layer)
         // TODO: update mods with full scan of matrix? if modifier changes between layers
     }
 }
+
+bool is_tap_key(keyevent_t event)
+{
+    action_t action = keymap_get_action(current_layer, event.key.pos.row, event.key.pos.col);
+    switch (action.kind.id) {
+        case ACT_LMODS_TAP:
+        case ACT_RMODS_TAP:
+            return true;
+        case ACT_LAYER_PRESSED:
+        case ACT_LAYER_BIT:
+            switch (action.layer.code) {
+                case 0x00:
+                case 0xF1 ... 0xFF:
+                    return false;
+                case 0xF0:
+                default:
+                    return true;
+            }
+            return false;
+        case ACT_FUNCTION:
+            if (action.func.opt & 0x1) {
+                return true;
+            }
+            return false;
+    }
+    return false;
+}

common/action.h

@@ -3,8 +3,30 @@
 
 #include "keyboard.h"
 
+extern uint8_t tap_count;
+extern keyevent_t tapping_event;
 
-/* Key Action(16bit code)
+
+/*
+ * Utilities for actions.
+ */
+void register_code(uint8_t code);
+void unregister_code(uint8_t code);
+void add_mods(uint8_t mods);
+void del_mods(uint8_t mods);
+void set_mods(uint8_t mods);
+void clear_keyboard(void);
+void clear_keyboard_but_mods(void);
+bool sending_anykey(void);
+void layer_switch(uint8_t new_layer);
+bool is_tap_key(keyevent_t event);
+
+
+
+
+/*
+Action codes
+16bit code: action_kind(4bit) + action_parameter(12bit)
 
 Keyboard Keys
 -------------
@@ -94,6 +116,7 @@ ACT_COMMAND(1110):
 
 ACT_FUNCTION(1111):
 1111| address(12)     Function
+1111|opt | id(8)      Function
                                                     Macro record(dynamicly)
                                                     Macro play(dynamicly)
 TODO: modifier + [tap key /w mod]
@@ -160,6 +183,11 @@ typedef union {
         uint16_t option :4;
         uint16_t kind   :4;
     } command;
+    struct action_function {
+        uint8_t  id     :8;
+        uint8_t  opt    :4;
+        uint8_t  kind   :4;
+    } func;
 } action_t;
 
 
@@ -169,14 +197,20 @@ enum stroke_cmd {
     STROKE_ALLUP, /* release all keys in reverse order */
 };
 
+// TODO: not needed?
 typedef struct {
     keyevent_t  event;
     action_t    action;
     uint8_t     mods;
 } keyrecord_t;
 
+/* action function */
+typedef void (*action_func_t)(keyevent_t event, uint8_t opt);
+
 
+// TODO: legacy keymap support
 void action_exec(keyevent_t event);
+void action_call_function(keyevent_t event, uint8_t id);
 
 
 // TODO: proper names
@@ -234,7 +268,7 @@ void action_exec(keyevent_t event);
 /* Command */
 #define ACTION_COMMAND(opt, id)         ACTION(ACT_COMMAND,  (opt)<<8 | (addr))
 /* Function */
-#define ACTION_FUNCTION(addr)           ACTION(ACT_FUNCTION, addr)
+#define ACTION_FUNCTION(id, opt)        ACTION(ACT_FUNCTION, (opt)<<8 | id)
 
 
 /* helpers for readability */

common/keyboard.c

@@ -89,7 +89,8 @@ void keyboard_task(void)
             }
         }
     }
-    // call to update delaying layer when no real event
+    // call with not real event to update state of aciton
+    // TODO: use NOEVENT macro
     action_exec((keyevent_t) {
         .key.pos = (keypos_t){ .row = 255, .col = 255 }, // assume this key doesn't exist
         .pressed = false,

common/keyboard.h

@@ -44,10 +44,10 @@ typedef struct {
 
 #define KEYEQ(keya, keyb)       (keya.raw == keyb.raw)
 #define IS_NOEVENT(event)       (event.time == 0)
-#define NOEVENT                 (keyevent_t) {      \
+#define NOEVENT                 (keyevent_t){       \
     .key = (keypos_t){ .row = 255, .col = 255 },    \
     .pressed = false,                               \
-    .time = 0,                                      \
+    .time = 0                                       \
 }
 
 

keyboard/hhkb/keymap.c

@@ -56,7 +56,8 @@ static const uint16_t PROGMEM fn_actions[] = {
     ACTION_LAYER_SET_ON_PRESSED(1),         // Fn1
     ACTION_LAYER_SET_TAP_KEY(2, KC_SLASH),  // Fn2
     ACTION_LAYER_SET_TAP_KEY(3, KC_SCLN),   // Fn3
-    ACTION_LAYER_SET_ON_PRESSED(3),         // Fn4
+    //ACTION_LAYER_SET_ON_PRESSED(3),         // Fn4
+    ACTION_FUNCTION(0x01, 0xA), // Fn4
     ACTION_LAYER_SET_TAP_KEY(5, KC_SPC),    // Fn5
     ACTION_LMODS_TAP(MOD_BIT(KC_LCTL), KC_BSPC), // Fn6
     ACTION_RMODS_TAP(MOD_BIT(KC_RCTL), KC_ENT), // Fn7
@@ -196,7 +197,7 @@ action_t keymap_get_action(uint8_t layer, uint8_t row, uint8_t col) {
         case KC_MS_UP ... KC_MS_ACCEL2:
             action.code = ACTION_MOUSEKEY(key);
             break;
-/*
+/* TODO
         case KC_LCTRL ... KC_LGUI:
             action.code = ACTION_LMODS(MOD_BIT(key));
             break;
@@ -214,3 +215,18 @@ action_t keymap_get_action(uint8_t layer, uint8_t row, uint8_t col) {
     }
     return action;
 }
+
+// TODO: how to define action function
+void action_call_function(keyevent_t event, uint8_t id)
+{
+    // '(' Shift+9
+    if (event.pressed) {
+        register_code(KC_LSHIFT);
+        register_code(KC_9);
+        debug("action_call_function: pressed: id: "); debug_hex(id); debug("\n");
+    } else {
+        unregister_code(KC_9);
+        unregister_code(KC_LSHIFT);
+        debug("action_call_function: released: id: "); debug_hex(id); debug("\n");
+    }
+}