Add consumer/system usage support.

common/host.c

@@ -69,6 +69,14 @@ void host_unregister_key(uint8_t key)
     host_send_keyboard_report();
 }
 
+void host_clear_all_keys_but_mods(void)
+{
+    for (int8_t i = 0; i < REPORT_KEYS; i++) {
+        keyboard_report->keys[i] = 0;
+    }
+    host_send_keyboard_report();
+}
+
 /* keyboard report operations */
 void host_add_key(uint8_t key)
 {

common/host.h

@@ -42,6 +42,7 @@ uint8_t host_keyboard_leds(void);
 /* new interface */
 void host_register_key(uint8_t key);
 void host_unregister_key(uint8_t key);
+void host_clear_all_keys_but_mods(void);
 
 /* keyboard report operations */
 void host_add_key(uint8_t key);

common/keyboard.c

@@ -41,8 +41,6 @@ typedef enum keykind {
     FNK_DOWN, FNK_UP,
     KEY_DOWN, KEY_UP,
     MOD_DOWN, MOD_UP,
-    MOUSEKEY_DOWN, MOUSEKEY_UP,
-    DELAY
 } keykind_t;
 
 typedef enum { IDLE, DELAYING, WAITING, PRESSING } kbdstate_t;
@@ -77,7 +75,9 @@ static inline keykind_t get_keykind(uint8_t code, bool pressed)
         else
             return (pressed ? FN_DOWN : FN_UP);
     }
-    if IS_MOUSEKEY(code)    return (pressed ? MOUSEKEY_DOWN : MOUSEKEY_UP);
+    if IS_MOUSEKEY(code)    return (pressed ? KEY_DOWN : KEY_UP);
+    if IS_SYSTEM(code)      return (pressed ? KEY_DOWN : KEY_UP);
+    if IS_CONSUMER(code)    return (pressed ? KEY_DOWN : KEY_UP);
     return  NONE;
 }
 
@@ -86,7 +86,13 @@ static void layer_switch_on(uint8_t code)
     if (!IS_FN(code)) return;
     fn_state_bits |= FN_BIT(code);
     if (current_layer != keymap_fn_layer(FN_INDEX(code))) {
-        //TODO: clear all key execpt Mod key
+        // clear all key execpt Mod key
+        host_clear_all_keys_but_mods();
+        host_system_send(0);
+        host_consumer_send(0);
+        mousekey_clear();
+        mousekey_send();
+
         debug("Layer Switch(on): "); debug_hex(current_layer);
         current_layer = keymap_fn_layer(FN_INDEX(code));
         debug(" -> "); debug_hex(current_layer); debug("\n");
@@ -98,7 +104,13 @@ static void layer_switch_off(uint8_t code)
     if (!IS_FN(code)) return;
     fn_state_bits &= ~FN_BIT(code);
     if (current_layer != keymap_fn_layer(biton(fn_state_bits))) {
-        //TODO: clear all key execpt Mod key
+        // clear all key execpt Mod key
+        host_clear_all_keys_but_mods();
+        host_system_send(0);
+        host_consumer_send(0);
+        mousekey_clear();
+        mousekey_send();
+
         debug("Layer Switch(off): "); debug_hex(current_layer);
         current_layer = keymap_fn_layer(biton(fn_state_bits));
         debug(" -> "); debug_hex(current_layer); debug("\n");
@@ -128,6 +140,7 @@ static inline bool is_anykey_down(void)
 
 static void register_code(uint8_t code)
 {
+debug("register_code\n");
     if IS_KEY(code) {
         host_add_key(code);
         host_send_keyboard_report();
@@ -140,6 +153,84 @@ static void register_code(uint8_t code)
         mousekey_on(code);
         mousekey_send();
     }
+    else if IS_CONSUMER(code) {
+debug("consumer\n");
+        uint16_t usage = 0;
+        switch (code) {
+            case KB_AUDIO_MUTE:
+                usage = AUDIO_MUTE;
+                break;
+            case KB_AUDIO_VOL_UP:
+                usage = AUDIO_VOL_UP;
+                break;
+            case KB_AUDIO_VOL_DOWN:
+                usage = AUDIO_VOL_DOWN;
+                break;
+            case KB_MEDIA_NEXT_TRACK:
+                usage = TRANSPORT_NEXT_TRACK;
+                break;
+            case KB_MEDIA_PREV_TRACK:
+                usage = TRANSPORT_PREV_TRACK;
+                break;
+            case KB_MEDIA_STOP:
+                usage = TRANSPORT_STOP;
+                break;
+            case KB_MEDIA_PLAY_PAUSE:
+                usage = TRANSPORT_PLAY_PAUSE;
+                break;
+            case KB_MEDIA_SELECT:
+                usage = AL_CC_CONFIG;
+                break;
+            case KB_MAIL:
+                usage = AL_EMAIL;
+                break;
+            case KB_CALCULATOR:
+                usage = AL_CALCULATOR;
+                break;
+            case KB_MY_COMPUTER:
+                usage = AL_LOCAL_BROWSER;
+                break;
+            case KB_WWW_SEARCH:
+                usage = AC_SEARCH;
+                break;
+            case KB_WWW_HOME:
+                usage = AC_HOME;
+                break;
+            case KB_WWW_BACK:
+                usage = AC_BACK;
+                break;
+            case KB_WWW_FORWARD:
+                usage = AC_FORWARD;
+                break;
+            case KB_WWW_STOP:
+                usage = AC_STOP;
+                break;
+            case KB_WWW_REFRESH:
+                usage = AC_REFRESH;
+                break;
+            case KB_WWW_FAVORITES:
+                usage = AC_BOOKMARKS;
+                break;
+        }
+debug("usage: "); phex16(usage); debug("\n");
+        host_consumer_send(usage);
+    }
+    else if IS_SYSTEM(code) {
+        uint16_t usage = 0;
+        switch (code) {
+            case KB_SYSTEM_POWER:
+                usage = SYSTEM_POWER_DOWN;
+                break;
+            case KB_SYSTEM_SLEEP:
+                usage = SYSTEM_SLEEP;
+                break;
+            case KB_SYSTEM_WAKE:
+                usage = SYSTEM_WAKE_UP;
+                break;
+        }
+        host_system_send(usage);
+    }
+
 }
 
 static void unregister_code(uint8_t code)
@@ -156,6 +247,12 @@ static void unregister_code(uint8_t code)
         mousekey_off(code);
         mousekey_send();
     }
+    else if IS_CONSUMER(code) {
+        host_consumer_send(0x0000);
+    }
+    else if IS_SYSTEM(code) {
+        host_system_send(0x0000);
+    }
 }
 
 /*
@@ -254,7 +351,6 @@ static inline void process_key(keyevent_t event)
                     layer_switch_off(code);
                     break;
                 case KEY_DOWN:
-                case MOUSEKEY_DOWN:
                     register_code(code);
                     NEXT(PRESSING);
                     break;
@@ -262,7 +358,6 @@ static inline void process_key(keyevent_t event)
                     register_code(code);
                     break;
                 case KEY_UP:
-                case MOUSEKEY_UP:
                 case MOD_UP:
                     unregister_code(code);
                     break;
@@ -283,16 +378,16 @@ static inline void process_key(keyevent_t event)
                     register_code(keymap_fn_keycode(FN_INDEX(code)));
                     break;
                 case FNK_UP:
+                    // can't know whether layer switched or not
+                    layer_switch_off(code);
                     unregister_code(keymap_fn_keycode(FN_INDEX(code)));
                     break;
                 case KEY_DOWN:
                 case MOD_DOWN:
-                case MOUSEKEY_DOWN:
                     register_code(code);
                     break;
                 case KEY_UP:
                 case MOD_UP:
-                case MOUSEKEY_UP:
                     unregister_code(code);
                     // no key registered? mousekey, mediakey, systemkey
                     if (!host_has_anykey())
@@ -307,7 +402,6 @@ static inline void process_key(keyevent_t event)
                 case FN_DOWN:
                 case FNK_DOWN:
                 case KEY_DOWN:
-                case MOUSEKEY_DOWN:
                     waiting_key = (keyrecord_t) {
                         .event = event,
                         .code = code,
@@ -339,7 +433,6 @@ static inline void process_key(keyevent_t event)
                     }
                     break;
                 case KEY_UP:
-                case MOUSEKEY_UP:
                     unregister_code(code);
                     NEXT(IDLE);
                     break;
@@ -355,7 +448,6 @@ static inline void process_key(keyevent_t event)
                 case FN_DOWN:
                 case FNK_DOWN:
                 case KEY_DOWN:
-                case MOUSEKEY_DOWN:
                     tmp_mods = keyboard_report->mods;
                     host_set_mods(delayed_fn.mods);
                     register_code(keymap_fn_keycode(FN_INDEX(delayed_fn.code)));
@@ -389,7 +481,6 @@ static inline void process_key(keyevent_t event)
                     }
                     break;
                 case KEY_UP:
-                case MOUSEKEY_UP:
                     if (code == waiting_key.code) {
                         layer_switch_on(delayed_fn.code);
                         NEXT(IDLE);
@@ -444,7 +535,6 @@ void keyboard_task(void)
         matrix_row = matrix_get_row(r);
         matrix_change = matrix_row ^ matrix_prev[r];
         if (matrix_change) {
-            // TODO: print once per scan
             if (debug_matrix) matrix_print();
 
             for (int c = 0; c < MATRIX_COLS; c++) {

common/mousekey.c

@@ -135,13 +135,6 @@ void mousekey_send(void)
 void mousekey_clear(void)
 {
     report = (report_mouse_t){};
-/*
-    report.buttons = 0;
-    report.x = 0;
-    report.y = 0;
-    report.v = 0;
-    report.h = 0;
-*/
 }
 
 static void mousekey_debug(void)

common/usb_keycodes.h

@@ -24,15 +24,20 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
 #define IS_ERROR(code)           (KB_ROLL_OVER <= (code) && (code) <= KB_UNDEFINED)
-#define IS_ANY(code)             (KB_A         <= (code))
+#define IS_ANY(code)             (KB_A         <= (code) && (code) <= 0xFF)
 #define IS_KEY(code)             (KB_A         <= (code) && (code) <= KB_EXSEL)
 #define IS_MOD(code)             (KB_LCTRL     <= (code) && (code) <= KB_RGUI)
+
 #define IS_FN(code)              (KB_FN0       <= (code) && (code) <= KB_FN7)
 #define IS_MOUSEKEY(code)        (KB_MS_UP     <= (code) && (code) <= KB_MS_WH_RIGHT)
 #define IS_MOUSEKEY_MOVE(code)   (KB_MS_UP     <= (code) && (code) <= KB_MS_RIGHT)
 #define IS_MOUSEKEY_BUTTON(code) (KB_MS_BTN1   <= (code) && (code) <= KB_MS_BTN5)
 #define IS_MOUSEKEY_WHEEL(code)  (KB_MS_WH_UP  <= (code) && (code) <= KB_MS_WH_RIGHT)
 
+#define IS_SPECIAL(code)         ((0xB0 <= (code) && (code) <= 0xDF) || (0xE8 <= (code) && (code) <= 0xFF))
+#define IS_CONSUMER(code)        (KB_MUTE      <= (code) && (code) <= KB_WFAV)
+#define IS_SYSTEM(code)          (KB_POWER     <= (code) && (code) <= KB_WAKE)
+
 #define MOD_BIT(code)   (1<<((code) & 0x07))
 #define FN_BIT(code)    (1<<((code) - KB_FN0))
 #define FN_INDEX(code)  ((code) - KB_FN0)
@@ -137,14 +142,16 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
 /* Special keycode */
+/* NOTE: 0xA5-DF and 0xE8-FF can be used for internal special purpose */
 enum special_keycodes {
     /* System Control */
-    KB_SYSTEM_POWER = 0xB0,
+    KB_SYSTEM_POWER = 0xA5,
     KB_SYSTEM_SLEEP,
-    KB_SYSTEM_WAKE,
+    KB_SYSTEM_WAKE,     /* 0xA7 */
+                        /* 0xA8-AF */
 
     /* Consumer Page */
-    KB_AUDIO_MUTE,
+    KB_AUDIO_MUTE = 0xB0,
     KB_AUDIO_VOL_UP,
     KB_AUDIO_VOL_DOWN,
     KB_MEDIA_NEXT_TRACK,
@@ -157,13 +164,14 @@ enum special_keycodes {
     KB_MY_COMPUTER,
     KB_WWW_SEARCH,
     KB_WWW_HOME,
-    KB_WWW_BACK,        /* 0xC0 */
+    KB_WWW_BACK,
     KB_WWW_FORWARD,
     KB_WWW_STOP,
-    KB_WWW_REFRESH,
+    KB_WWW_REFRESH,     /* 0xC0 */
-    KB_WWW_FAVORITES,
+    KB_WWW_FAVORITES,   /* 0xC1 */
+                        /* 0xC2-DF vacant for future use */
 
-    /* reserve 0xE0-E7 for Modifiers */
+    /* 0xE0-E7 for Modifiers. DO NOT USE. */
 
     /* Layer Switching */
     KB_FN0 = 0xE8,
@@ -173,7 +181,7 @@ enum special_keycodes {
     KB_FN4,
     KB_FN5,
     KB_FN6,
-    KB_FN7,
+    KB_FN7,             /* 0xEF */
 
     /* Mousekey */
     KB_MS_UP = 0xF0,
@@ -189,11 +197,13 @@ enum special_keycodes {
     KB_MS_WH_UP,
     KB_MS_WH_DOWN,
     KB_MS_WH_LEFT,
-    KB_MS_WH_RIGHT,
+    KB_MS_WH_RIGHT,     /* 0xFC */
+                        /* 0xFD-FF vacant for future use */
 };
 
+/* USB HID Keyboard/Keypad Usage(0x07) */
 enum keycodes {
-    KB_NO = 0,
+    KB_NO               = 0x00,
     KB_ROLL_OVER,
     KB_POST_FAIL,
     KB_UNDEFINED,
@@ -357,9 +367,10 @@ enum keycodes {
     KB_OPER,
     KB_CLEAR_AGAIN,
     KB_CRSEL,
-    KB_EXSEL,
+    KB_EXSEL,           /* 0xA4 */
+
+    /* NOTE: 0xA5-DF are used for internal special purpose */
 
-    /* NOTE: 0xB0-DF are used as special_keycodes */
 #if 0
     KB_KP_00 = 0xB0,
     KB_KP_000,
@@ -406,7 +417,7 @@ enum keycodes {
     KB_KP_BINARY,
     KB_KP_OCTAL,
     KB_KP_DECIMAL,
-    KB_KP_HEXADECIMAL,
+    KB_KP_HEXADECIMAL,  /* 0xDD */
 #endif
 
     /* Modifiers */
@@ -419,7 +430,7 @@ enum keycodes {
     KB_RALT,
     KB_RGUI,
 
-    /* NOTE: 0xE8-FF are used as special_keycodes */
+    /* NOTE: 0xE8-FF are used for internal special purpose */ 
 };
 
 #endif /* USB_KEYCODES_H */