From 8c1d94fb235d69c5a61798b9f62d6b6663e738bc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Stenberg?= <bjorn@haxx.se>
Date: Sat, 20 Apr 2002 14:42:49 +0000
Subject: [PATCH] Added player button scanning

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@154 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/button.c | 50 ++++++++++++++++++++++++++++++++++++++++++-----
 firmware/button.h | 31 +++++++++++++++++------------
 2 files changed, 64 insertions(+), 17 deletions(-)

diff --git a/firmware/button.c b/firmware/button.c
index bedd294606..a1abccd32a 100644
--- a/firmware/button.c
+++ b/firmware/button.c
@@ -21,13 +21,11 @@
  */
 
 #include "config.h"
-
-#ifdef HAVE_RECORDER_KEYPAD
-
-#include "types.h"
 #include "sh7034.h"
 #include "button.h"
 
+#ifdef HAVE_RECORDER_KEYPAD
+
 /* AJBR buttons are connected to the CPU as follows:
  *
  * ON and OFF are connected to separate port B input pins.
@@ -148,7 +146,49 @@ int button_get(void)
     return ret;
 }
 
-#endif /* HAVE_RECORDER_KEYPAD */
+#elif HAVE_PLAYER_KEYPAD
+
+/* The player has all buttons on port pins:
+
+   LEFT:  PC0
+   RIGHT: PC2
+   PLAY:  PC3
+   STOP:  PA11
+   ON:    PA5
+   MENU:  PC1
+*/
+
+void button_init(void)
+{
+    /* set port pins as input */
+    PAIOR &= ~0x820;
+}
+
+int button_get(void)
+{
+    int porta = PADR;
+    int portc = PCDR;
+    int btn = 0;
+    
+    if ( portc & 1 )
+        btn |= BUTTON_LEFT;
+    if ( portc & 2 )
+        btn |= BUTTON_MENU;
+    if ( portc & 4 )
+        btn |= BUTTON_RIGHT;
+    if ( portc & 8 )
+        btn |= BUTTON_PLAY | BUTTON_UP;
+    if ( porta & 0x20 )
+        btn |= BUTTON_ON;
+    if ( porta & 0x800 )
+        btn |= BUTTON_STOP | BUTTON_DOWN;
+
+    return btn;
+}
+
+#endif
+
+
 
 /* -----------------------------------------------------------------
  * local variables:
diff --git a/firmware/button.h b/firmware/button.h
index a09c7a25dc..a8cc71b875 100644
--- a/firmware/button.h
+++ b/firmware/button.h
@@ -19,29 +19,36 @@
 
 #include "config.h"
 
-#ifdef HAVE_RECORDER_KEYPAD
-/*
- * Archos Jukebox Recorder button functions
- */
+void button_init (void);
+int button_get (void);
 
-/* Button codes */
+/* Shared button codes */
 #define	BUTTON_NONE		0x0000
 #define	BUTTON_ON		0x0001
-#define	BUTTON_OFF		0x0002
-#define	BUTTON_PLAY		0x0004
 #define	BUTTON_UP		0x0010
 #define	BUTTON_DOWN		0x0020
 #define	BUTTON_LEFT		0x0040
 #define	BUTTON_RIGHT		0x0080
-#define	BUTTON_F1		0x0100
-#define	BUTTON_F2		0x0200
-#define	BUTTON_F3		0x0400
 
 /* Button modifiers */
 #define	BUTTON_HELD		0x4000
 #define	BUTTON_REL		0x8000
 
-void button_init (void);
-int button_get (void);
+
+#ifdef HAVE_RECORDER_KEYPAD
+
+/* Recorder specific button codes */
+#define	BUTTON_OFF		0x0002
+#define	BUTTON_PLAY		0x0004
+#define	BUTTON_F1		0x0100
+#define	BUTTON_F2		0x0200
+#define	BUTTON_F3		0x0400
+
+#elif HAVE_PLAYER_KEYPAD
+
+/* Jukebox 6000 and Studio specific button codes */
+#define	BUTTON_MENU		0x0002
+#define	BUTTON_PLAY		BUTTON_UP
+#define	BUTTON_STOP		BUTTON_DOWN
 
 #endif