Added raw button reading functionality

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@4907 a1c6a512-1295-4272-9138-f99709370657

apps/plugin.c

@@ -253,6 +253,8 @@ static const struct plugin_api rockbox_api = {
 #endif
     settings_parseline,
     strcmp,
+    button_status,
+    button_clear_queue,
 };
 
 int plugin_load(char* plugin, void* parameter)
@@ -332,7 +334,10 @@ int plugin_load(char* plugin, void* parameter)
 
     plugin_loaded = true;
     rc = plugin_start((struct plugin_api*) &rockbox_api, parameter);
-         /* explicitly casting the pointer here to avoid touching every plugin. */
+    /* explicitly casting the pointer here to avoid touching every plugin. */
+
+    button_clear_queue();
+    
     plugin_loaded = false;
 
     switch (rc) {

apps/plugin.h

@@ -289,6 +289,8 @@ struct plugin_api {
 #endif
     bool (*settings_parseline)(char* line, char** name, char** value);
     int (*strcmp)(const char *, const char *);
+    int (*button_status)(void);
+    void (*button_clear_queue)(void);
 };
 
 /* defined by the plugin loader (plugin.c) */

firmware/drivers/button.c

@@ -421,3 +421,13 @@ int button_add(unsigned int button)
     return 1;
 }
 #endif
+
+int button_status(void)
+{
+    return button_read();
+}
+
+void button_clear_queue(void)
+{
+    queue_empty(&button_queue);
+}

firmware/export/button.h

@@ -28,6 +28,8 @@ extern struct event_queue button_queue;
 void button_init (void);
 int button_get (bool block);
 int button_get_w_tmo(int ticks);
+int button_status(void);
+void button_clear_queue(void);
 #ifdef HAVE_RECORDER_KEYPAD
 void button_set_flip(bool flip); /* turn 180 degrees */
 #endif

uisimulator/win32/button.c

@@ -36,13 +36,14 @@
 
 struct event_queue button_queue;
 
+static int btn = 0;    /* Hopefully keeps track of currently pressed keys... */
+
 void button_event(int key, bool pressed)
 {
     bool post = false;
     int new_btn = 0;
     int diff = 0;
     static int count = 0;
-    static int btn = 0;     /* Hopefully keeps track of currently pressed keys... */
     static int lastbtn;
     static int repeat_speed = REPEAT_INTERVAL_START;
     static int repeat_count = 0;
@@ -180,6 +181,11 @@ void button_event(int key, bool pressed)
     lastbtn = btn & ~(BUTTON_REL | BUTTON_REPEAT);
 }
 
+int button_status(void)
+{
+    return btn;
+}
+   
 void button_init(void)
 {
 }
@@ -203,3 +209,8 @@ int button_get_w_tmo(int ticks)
     queue_wait_w_tmo(&button_queue, &ev, ticks);
     return (ev.id != SYS_TIMEOUT)? ev.id: BUTTON_NONE;
 } 
+
+void button_clear_queue(void)
+{
+    queue_empty(&button_queue);
+}

uisimulator/x11/button-x11.c

@@ -33,20 +33,6 @@ void button_init()
 {
 }
 
-int button_set_repeat(int newmask)
-{
-    int oldmask = repeat_mask;
-    repeat_mask = newmask;
-    return oldmask;
-}
-
-int button_set_release(int newmask)
-{
-    int oldmask = release_mask;
-    release_mask = newmask;
-    return oldmask;
-}
-
 /*
  * Translate X keys to Recorder keys
  *
@@ -214,3 +200,12 @@ int button_get(bool block)
 
     return bits;
 }
+
+int button_status(void)
+{
+    return get_raw_button();
+}
+
+void button_clear_queue(void)
+{
+}