From b62b0b6699cfe96d1c21e01c23e71d3095d1bd46 Mon Sep 17 00:00:00 2001
From: Linus Nielsen Feltzing <linus@haxx.se>
Date: Fri, 5 Jul 2002 07:11:20 +0000
Subject: [PATCH] The Player button_read used Port C. It now uses ANx instead

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1338 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/drivers/button.c | 25 ++++++++++++++-----------
 1 file changed, 14 insertions(+), 11 deletions(-)

diff --git a/firmware/drivers/button.c b/firmware/drivers/button.c
index 178c8c4e99..8ed445c0c3 100644
--- a/firmware/drivers/button.c
+++ b/firmware/drivers/button.c
@@ -179,14 +179,17 @@ static int button_read(void)
 
 #elif HAVE_PLAYER_KEYPAD
 
-/* The player has all buttons on port pins:
+/* The player has two buttons on port pins:
 
-   LEFT:  PC0
-   RIGHT: PC2
-   PLAY:  PC3
    STOP:  PA11
    ON:    PA5
-   MENU:  PC1
+
+   The rest are on analog inputs:
+   
+   LEFT:  AN0
+   MENU:  AN1
+   RIGHT: AN2
+   PLAY:  AN3
 */
 
 void button_init(void)
@@ -200,18 +203,18 @@ void button_init(void)
 static int button_read(void)
 {
     int porta = PADR;
-    int portc = PCDR;
     int btn = 0;
-    
+
     /* buttons are active low */
-    if ( !(portc & 1) )
+    if(adc_read(0) < 0x180)
         btn |= BUTTON_LEFT;
-    if ( !(portc & 2) )
+    if(adc_read(1) < 0x180)
         btn |= BUTTON_MENU;
-    if ( !(portc & 4) )
+    if(adc_read(2) < 0x180)
         btn |= BUTTON_RIGHT;
-    if ( !(portc & 8) )
+    if(adc_read(3) < 0x180)
         btn |= BUTTON_PLAY | BUTTON_UP;
+
     if ( !(porta & 0x20) )
         btn |= BUTTON_ON;
     if ( !(porta & 0x800) )