From 0a4b247080dd132e847071adbc006ad9de2ca608 Mon Sep 17 00:00:00 2001
From: Linus Nielsen Feltzing <linus@haxx.se>
Date: Tue, 15 Oct 2002 12:25:57 +0000
Subject: The player firmware now autodetects the LCD type. No need for two
 player versions anymore

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2658 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/config-player.h      |  3 --
 firmware/config.h             |  2 --
 firmware/drivers/lcd-player.c | 67 ++++++++++++++++++++++++++++---------------
 firmware/hwcompat.c           |  7 +++++
 firmware/hwcompat.h           |  6 ++++
 5 files changed, 57 insertions(+), 28 deletions(-)

(limited to 'firmware')

diff --git a/firmware/config-player.h b/firmware/config-player.h
index a1c5db9f9f..2068c94db4 100644
--- a/firmware/config-player.h
+++ b/firmware/config-player.h
@@ -4,9 +4,6 @@
 /* define this if you have the Player's keyboard */
 #define HAVE_PLAYER_KEYPAD 1
 
-/* define this if you have a post-4.50 charcell LCD display */
-#define HAVE_NEW_CHARCELL_LCD 1
-
 /* Define this if you have a MAS3507D */
 #define HAVE_MAS3507D
 
diff --git a/firmware/config.h b/firmware/config.h
index d79f061088..65fe070fba 100644
--- a/firmware/config.h
+++ b/firmware/config.h
@@ -22,8 +22,6 @@
 
 #if defined(ARCHOS_PLAYER)
 #include "config-player.h"
-#elif defined(ARCHOS_PLAYER_OLD)
-#include "config-playerold.h"
 #elif defined(ARCHOS_RECORDER)
 #include "config-recorder.h"
 #else
diff --git a/firmware/drivers/lcd-player.c b/firmware/drivers/lcd-player.c
index f0a222f831..a262b83fe9 100644
--- a/firmware/drivers/lcd-player.c
+++ b/firmware/drivers/lcd-player.c
@@ -17,6 +17,7 @@
  *
  ****************************************************************************/
 #include "config.h"
+#include "hwcompat.h"
 
 #ifdef HAVE_LCD_CHARCELLS
 
@@ -32,19 +33,18 @@
 
 /*** definitions ***/
 
-#ifdef HAVE_NEW_CHARCELL_LCD
-#  define LCD_CONTRAST_SET ((char)0x50)
-#  define LCD_CRAM         ((char)0x80) /* Characters */
-#  define LCD_PRAM         ((char)0xC0) /*  Patterns  */
-#  define LCD_IRAM         ((char)0x40) /*    Icons   */
-#else
-#  define LCD_CONTRAST_SET ((char)0xA8)
-#  define LCD_CRAM         ((char)0xB0) /* Characters */
-#  define LCD_PRAM         ((char)0x80) /*  Patterns  */
-#  define LCD_IRAM         ((char)0xE0) /*    Icons   */
-#endif
-#define LCD_CURSOR(x,y)    ((char)(LCD_CRAM+((y)*16+(x))))
-#define LCD_ICON(i)        ((char)(LCD_IRAM+i))          
+#define OLD_LCD_CONTRAST_SET ((char)0xA8)
+#define OLD_LCD_CRAM         ((char)0xB0) /* Characters */
+#define OLD_LCD_PRAM         ((char)0x80) /*  Patterns  */
+#define OLD_LCD_IRAM         ((char)0xE0) /*    Icons   */
+
+#define NEW_LCD_CONTRAST_SET ((char)0x50)
+#define NEW_LCD_CRAM         ((char)0x80) /* Characters */
+#define NEW_LCD_PRAM         ((char)0xC0) /*  Patterns  */
+#define NEW_LCD_IRAM         ((char)0x40) /*    Icons   */
+
+#define LCD_CURSOR(x,y)    ((char)(lcd_cram+((y)*16+(x))))
+#define LCD_ICON(i)        ((char)(lcd_iram+i))
 
 /*** generic code ***/
 
@@ -68,9 +68,7 @@ static char scroll_spacing = 3; /* spaces between end and start of text */
 static struct scrollinfo scroll; /* only one scroll line at the moment */
 static int scroll_count = 0;
 
-#ifdef HAVE_NEW_CHARCELL_LCD
-
-static const unsigned char lcd_ascii[] = {
+static const unsigned char new_lcd_ascii[] = {
    0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,
    0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,
    0x10,0x11,0x05,0x13,0x14,0x15,0x16,0x17,
@@ -105,9 +103,7 @@ static const unsigned char lcd_ascii[] = {
    0x20,0x75,0x75,0x75,0x75,0x79,0x20,0x79
 };
 
-#else
-
-static const unsigned char lcd_ascii[] = {
+static const unsigned char old_lcd_ascii[] = {
    0x00,0x01,0x02,0x03,0x00,0x84,0x85,0x89,
    0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
    0xec,0xe3,0xe2,0xe1,0xe0,0xdf,0x15,0x00,
@@ -141,7 +137,15 @@ static const unsigned char lcd_ascii[] = {
    0x73,0x72,0x73,0x73,0x73,0x73,0x73,0x24,
    0x24,0x79,0x79,0x79,0x79,0x7d,0x24,0x7d
 };
-#endif /* HAVE_NEW_CHARCELL_LCD */
+
+static bool new_lcd;
+
+static unsigned const char *lcd_ascii;
+static char lcd_contrast_set;
+static char lcd_cram;
+static char lcd_pram;
+static char lcd_iram;
+
 
 void lcd_clear_display(void)
 {
@@ -170,14 +174,15 @@ void lcd_putc(int x, int y, unsigned char ch)
 void lcd_define_pattern (int which,char *pattern,int length)
 {
     int i;
-    lcd_write(true,LCD_PRAM|which);
+    lcd_write(true,lcd_pram | which);
     for (i=0;i<length;i++)
         lcd_write(false,pattern[i]);
 }
 
 void lcd_double_height(bool on)
 {
-    lcd_write(true,on?9:8);
+    if(new_lcd)
+        lcd_write(true,on?9:8);
 }
 
 static char icon_pos[] =
@@ -238,13 +243,29 @@ void lcd_icon(int icon, bool enable)
 
 void lcd_init (void)
 {
+    new_lcd = has_new_lcd();
+
+    if(new_lcd) {
+        lcd_ascii = new_lcd_ascii;
+        lcd_contrast_set = NEW_LCD_CONTRAST_SET;
+        lcd_cram = NEW_LCD_CRAM;
+        lcd_pram = NEW_LCD_PRAM;
+        lcd_iram = NEW_LCD_IRAM;
+    } else {
+        lcd_ascii = old_lcd_ascii;
+        lcd_contrast_set = OLD_LCD_CONTRAST_SET;
+        lcd_cram = OLD_LCD_CRAM;
+        lcd_pram = OLD_LCD_PRAM;
+        lcd_iram = OLD_LCD_IRAM;
+    }
+    
     create_thread(scroll_thread, scroll_stack,
                   sizeof(scroll_stack), scroll_name);
 }
 
 void lcd_set_contrast(int val)
 {
-    lcd_write(true, LCD_CONTRAST_SET);
+    lcd_write(true, lcd_contrast_set);
     lcd_write(false, 31-val);
 }
 
diff --git a/firmware/hwcompat.c b/firmware/hwcompat.c
index 48b17f2010..43a516815f 100644
--- a/firmware/hwcompat.c
+++ b/firmware/hwcompat.c
@@ -37,3 +37,10 @@ int read_hw_mask(void)
     
     return mask;
 }
+
+#ifdef ARCHOS_PLAYER
+bool has_new_lcd(void)
+{
+    return read_rom_version() > 451;
+}
+#endif
diff --git a/firmware/hwcompat.h b/firmware/hwcompat.h
index d508218ac5..3a142fb713 100644
--- a/firmware/hwcompat.h
+++ b/firmware/hwcompat.h
@@ -19,6 +19,8 @@
 #ifndef HWCOMPAT_H
 #define HWCOMPAT_H
 
+#include <stdbool.h>
+
 /* Bit mask values for HW compatibility */
 #define ATA_ADDRESS_300 0x0100
 #define USB_ACTIVE_HIGH 0x0100
@@ -27,4 +29,8 @@
 int read_rom_version(void);
 int read_hw_mask(void);
 
+#ifdef ARCHOS_PLAYER
+bool has_new_lcd(void);
+#endif
+
 #endif
-- 
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