From 9089dd8e1dbbca89ec849e4242f6c84b20136849 Mon Sep 17 00:00:00 2001
From: bernie <bernie@38d2e660-2303-0410-9eaa-f027e97ec537>
Date: Mon, 20 Mar 2006 17:50:17 +0000
Subject: [PATCH] Add FreeRTOS and Observers support.

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@570 38d2e660-2303-0410-9eaa-f027e97ec537
---
 drv/kbd.c | 41 ++++++++++++++++++++++++++++++++++-------
 drv/kbd.h | 29 +++++++++++++++++++++++------
 2 files changed, 57 insertions(+), 13 deletions(-)

diff --git a/drv/kbd.c b/drv/kbd.c
index de1c561c..a051edc7 100755
--- a/drv/kbd.c
+++ b/drv/kbd.c
@@ -17,6 +17,9 @@
 
 /*#*
  *#* $Log$
+ *#* Revision 1.6  2006/03/20 17:50:17  bernie
+ *#* Add FreeRTOS and Observers support.
+ *#*
  *#* Revision 1.5  2006/02/27 22:39:45  bernie
  *#* Misc build and doc fixes from project_grl.
  *#*
@@ -38,7 +41,6 @@
 
 #include <drv/timer.h>
 #include <drv/kbd.h>
-#include <drv/buzzer.h>
 
 #include <cfg/debug.h>
 #include <cfg/module.h>
@@ -48,7 +50,16 @@
 #if !defined(CONFIG_KBD_POLL) || (CONFIG_KBD_POLL != KBD_POLL_SOFTINT && CONFIG_KBD_POLL != CONFIG_POLL_FREERTOS)
 	#error CONFIG_KBD_POLL must be defined to either KBD_POLL_SOFTINT or CONFIG_POLL_FREERTOS
 #endif
+#if !defined(CONFIG_KBD_BEEP) || (CONFIG_KBD_BEEP != 0 && CONFIG_KBD_BEEP != 1)
+	#error CONFIG_KBD_BEEP must be defined to either 0 or 1
+#endif
+#if !defined(CONFIG_KBD_OBSERVER) || (CONFIG_KBD_OBSERVER != 0 && CONFIG_KBD_OBSERVER != 1)
+	#error CONFIG_KBD_OBSERVER must be defined to either 0 or 1
+#endif
 
+#if CONFIG_KBD_BEEP
+	#include <drv/buzzer.h>
+#endif
 
 #define KBD_CHECK_INTERVAL  10  /*!< (ms) Timing for kbd softint */
 #define KBD_DEBOUNCE_TIME   30  /*!< (ms) Debounce time */
@@ -83,6 +94,10 @@ static KbdHandler kbd_rptHandler;  /*!< Auto-repeat keyboard handler */
 static KbdHandler kbd_lngHandler;  /*!< Long pression keys handler */
 #endif
 
+#if CONFIG_KBD_OBSERVER
+	#include <mware/observer.h>
+	Subject kbd_subject;
+#endif
 
 
 /*!
@@ -162,6 +177,7 @@ keymask_t kbd_peek(void)
 	keymask_t key = 0;
 
 // FIXME
+	/* Let other tasks run for a while */
 	extern void schedule(void);
 	schedule();
 
@@ -177,7 +193,6 @@ keymask_t kbd_peek(void)
 	return key;
 }
 
-
 /*!
  * Wait for a keypress and return the mask of depressed keys.
  *
@@ -188,6 +203,7 @@ keymask_t kbd_get(void)
 	keymask_t key;
 
 	while (!(key = kbd_peek())) {}
+
 	return key;
 }
 
@@ -262,10 +278,14 @@ static keymask_t kbd_defHandlerFunc(keymask_t key)
 		kbd_buf = key;
 		kbd_cnt = 1;
 
-#if KBD_BEEP_TIME
-		if (!(key & K_REPEAT))
-			buz_beep(KBD_BEEP_TIME);
-#endif
+		#if CONFIG_KBD_OBSERVER
+			observer_notify(&kbd_subject, KBD_EVENT_KEY, &key);
+		#endif
+
+		#if CONFIG_KBD_BEEP
+			if (!(key & K_REPEAT))
+				buz_beep(KBD_BEEP_TIME);
+		#endif
 	}
 
 	/* Eat all input */
@@ -332,9 +352,10 @@ static keymask_t kbd_lngHandlerFunc(keymask_t key)
  */
 static keymask_t kbd_rptHandlerFunc(keymask_t key)
 {
-	/*! Timer for keyboard repeat events */
+	/* Timer for keyboard repeat events. */
 	static ticks_t repeat_time;
 
+	/* Current repeat rate (for acceleration). */
 	static ticks_t repeat_rate; /*! Current repeat rate (for acceleration) */
 
 	ticks_t now = timer_clock();
@@ -399,7 +420,9 @@ MOD_DEFINE(kbd)
  */
 void kbd_init(void)
 {
+#if CONFIG_KBD_BEEP
 	MOD_CHECK(buzzer);
+#endif
 
 	KBD_HW_INIT;
 
@@ -432,6 +455,10 @@ void kbd_init(void)
 	kbd_defHandler.pri = -128; /* lowest priority */
 	kbd_addHandler(&kbd_defHandler);
 
+#if CONFIG_KBD_OBSERVER
+	observer_InitSubject(&kbd_subject);
+#endif
+
 #if CONFIG_KBD_POLL == KBD_POLL_SOFTINT
 
 	MOD_CHECK(timer);
diff --git a/drv/kbd.h b/drv/kbd.h
index 6b7e0cbd..307cf5e2 100755
--- a/drv/kbd.h
+++ b/drv/kbd.h
@@ -16,6 +16,9 @@
 
 /*#*
  *#* $Log$
+ *#* Revision 1.4  2006/03/20 17:50:17  bernie
+ *#* Add FreeRTOS and Observers support.
+ *#*
  *#* Revision 1.3  2006/02/27 22:39:45  bernie
  *#* Misc build and doc fixes from project_grl.
  *#*
@@ -32,6 +35,7 @@
 #include <kbd_map.h>
 #include <cfg/compiler.h>
 #include <mware/list.h>
+#include <appconfig.h> // CONFIG_KBD_OBSERVER
 
 /**
  * \name Keyboard polling modes.
@@ -58,11 +62,24 @@ typedef struct KbdHandler
 #define KHF_RAWKEYS	BV(0)           /*!< Handler gets raw key events */
 
 
-extern void kbd_init(void);
-extern keymask_t kbd_peek(void);
-extern keymask_t kbd_get(void);
-extern keymask_t kbd_get_timeout(mtime_t timeout);
-extern void kbd_addHandler(struct KbdHandler *handler);
-extern void kbd_remHandler(struct KbdHandler *handler);
+void kbd_init(void);
+keymask_t kbd_peek(void);
+keymask_t kbd_get(void);
+keymask_t kbd_get_timeout(mtime_t timeout);
+void kbd_addHandler(struct KbdHandler *handler);
+void kbd_remHandler(struct KbdHandler *handler);
+
+#if CONFIG_KBD_OBSERVER
+	struct Subject;
+
+	/** Subject structure for keyboard observers. */
+	extern struct Subject kbd_subject;
+
+	enum
+	{
+		/* Event for key presses. */
+		KBD_EVENT_KEY = 0x100
+	};
+#endif
 
 #endif /* DRV_KBD_H */
-- 
2.25.1