generic and specific LCD functions

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 179 insertions, 0 deletions

diff --git a/uisimulator/lcd.c b/uisimulator/lcd.c
new file mode 100644
index 0000000000..0db77e09bb
--- /dev/null
+++ b/uisimulator/lcd.c
@@ -0,0 +1,179 @@
+/***************************************************************************
+ *             __________               __   ___.                  
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___  
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /  
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <   
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \  
+ *                     \/            \/     \/    \/            \/ 
+ * $Id$
+ *
+ * Copyright (C) 2002 by Daniel Stenberg <daniel@haxx.se>
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+/*
+ * This file is meant for generic LCD defines and global variables etc.
+ */
+
+#define DISP_X 112              /* Display width in pixels */
+#define DISP_Y 64               /* Display height in pixels */
+
+#define CHAR_X   6              /* Character width in pixels */
+#define CHAR_Y   8              /* Character height in pixels */
+#define COL_MASK 0xff           /* Character column pixels changed */
+
+/*
+ * ASCII character generation table
+ *
+ * This contains only the printable characters (0x20-0x7f).
+ * Each row in this table is a 5x8 pixel character pattern.
+ * Each byte is a column of pixels, with the top pixel in the LSB.
+ */
+#define ASCII_MIN                       0x20    /* First char in table */
+#define ASCII_MAX                       0x7f    /* Last char in table */
+
+static const uchar char_gen[ASCII_MAX-ASCII_MIN+1][CHAR_X-1] =
+{
+  0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x2f */
+  0x00, 0x00, 0x4f, 0x00, 0x00,
+  0x00, 0x07, 0x00, 0x07, 0x00,
+  0x14, 0x7f, 0x14, 0x7f, 0x14,
+  0x24, 0x2a, 0x7f, 0x2a, 0x12,
+  0x23, 0x13, 0x08, 0x64, 0x62,
+  0x36, 0x49, 0x55, 0x22, 0x50,
+  0x00, 0x05, 0x03, 0x00, 0x00,
+  0x00, 0x1c, 0x22, 0x41, 0x00,
+  0x00, 0x41, 0x22, 0x1c, 0x00,
+  0x14, 0x08, 0x3e, 0x08, 0x14,
+  0x08, 0x08, 0x3e, 0x08, 0x08,
+  0x00, 0xa0, 0x60, 0x00, 0x00,
+  0x08, 0x08, 0x08, 0x08, 0x08,
+  0x00, 0x60, 0x60, 0x00, 0x00,
+  0x20, 0x10, 0x08, 0x04, 0x02,
+  
+  0x3e, 0x51, 0x49, 0x45, 0x3e, /* 0x30-0x3f */
+  0x00, 0x42, 0x7f, 0x40, 0x00,
+  0x42, 0x61, 0x51, 0x49, 0x46,
+  0x21, 0x41, 0x45, 0x4b, 0x31,
+  0x18, 0x14, 0x12, 0x7f, 0x10,
+  0x27, 0x45, 0x45, 0x45, 0x39,
+  0x3c, 0x4a, 0x49, 0x49, 0x30,
+  0x01, 0x71, 0x09, 0x05, 0x03,
+  0x36, 0x49, 0x49, 0x49, 0x36,
+  0x06, 0x49, 0x49, 0x29, 0x1e,
+  0x00, 0x6c, 0x6c, 0x00, 0x00,
+  0x00, 0xac, 0x6c, 0x00, 0x00,
+  0x08, 0x14, 0x22, 0x41, 0x00,
+  0x14, 0x14, 0x14, 0x14, 0x14,
+  0x00, 0x41, 0x22, 0x14, 0x08,
+  0x02, 0x01, 0x51, 0x09, 0x06,
+
+  0x32, 0x49, 0x79, 0x41, 0x3e, /* 0x40-0x4f */
+  0x7e, 0x11, 0x11, 0x11, 0x7e,
+  0x7f, 0x49, 0x49, 0x49, 0x36,
+  0x3e, 0x41, 0x41, 0x41, 0x22,
+  0x7f, 0x41, 0x41, 0x22, 0x1c,
+  0x7f, 0x49, 0x49, 0x49, 0x41,
+  0x7f, 0x09, 0x09, 0x09, 0x01,
+  0x3e, 0x41, 0x49, 0x49, 0x7a,
+  0x7f, 0x08, 0x08, 0x08, 0x7f,
+  0x00, 0x41, 0x7f, 0x41, 0x00,
+  0x20, 0x40, 0x41, 0x3f, 0x01,
+  0x7f, 0x08, 0x14, 0x22, 0x41,
+  0x7f, 0x40, 0x40, 0x40, 0x40,
+  0x7f, 0x02, 0x0c, 0x02, 0x7f,
+  0x7f, 0x04, 0x08, 0x10, 0x7f,
+  0x3e, 0x41, 0x41, 0x41, 0x3e,
+
+  0x7f, 0x09, 0x09, 0x09, 0x06, /* 0x50-0x5f */
+  0x3e, 0x41, 0x51, 0x21, 0x5e,
+  0x7f, 0x09, 0x19, 0x29, 0x46,
+  0x46, 0x49, 0x49, 0x49, 0x31,
+  0x01, 0x01, 0x7f, 0x01, 0x01,
+  0x3f, 0x40, 0x40, 0x40, 0x3f,
+  0x1f, 0x20, 0x40, 0x20, 0x1f,
+  0x3f, 0x40, 0x38, 0x40, 0x3f,
+  0x63, 0x14, 0x08, 0x14, 0x63,
+  0x07, 0x08, 0x70, 0x08, 0x07,
+  0x71, 0x51, 0x49, 0x45, 0x43,
+  0x00, 0x7f, 0x41, 0x41, 0x00,
+  0x02, 0x04, 0x08, 0x10, 0x20,
+  0x00, 0x41, 0x41, 0x7f, 0x00,
+  0x04, 0x02, 0x01, 0x02, 0x04,
+  0x40, 0x40, 0x40, 0x40, 0x40,
+
+  0x00, 0x01, 0x02, 0x04, 0x00, /* 0x60-0x6f */
+  0x20, 0x54, 0x54, 0x54, 0x78,
+  0x7f, 0x48, 0x44, 0x44, 0x38,
+  0x38, 0x44, 0x44, 0x44, 0x20,
+  0x38, 0x44, 0x44, 0x48, 0x7f,
+  0x38, 0x54, 0x54, 0x54, 0x18,
+  0x08, 0x7e, 0x09, 0x01, 0x02,
+  0x18, 0xa4, 0xa4, 0xa4, 0x7c,
+  0x7f, 0x08, 0x04, 0x04, 0x78,
+  0x00, 0x44, 0x7d, 0x40, 0x00,
+  0x40, 0x80, 0x84, 0x7d, 0x00,
+  0x7f, 0x10, 0x28, 0x44, 0x00,
+  0x00, 0x41, 0x7f, 0x40, 0x00,
+  0x7c, 0x04, 0x18, 0x04, 0x78,
+  0x7c, 0x08, 0x04, 0x04, 0x78,
+  0x38, 0x44, 0x44, 0x44, 0x38,
+
+  0xfc, 0x24, 0x24, 0x24, 0x18, /* 0x70-0x7f */
+  0x18, 0x24, 0x24, 0x24, 0xfc,
+  0x7c, 0x08, 0x04, 0x04, 0x08,
+  0x48, 0x54, 0x54, 0x54, 0x20,
+  0x04, 0x3f, 0x44, 0x40, 0x20,
+  0x3c, 0x40, 0x40, 0x20, 0x7c,
+  0x1c, 0x20, 0x40, 0x20, 0x1c,
+  0x3c, 0x40, 0x30, 0x40, 0x3c,
+  0x44, 0x28, 0x10, 0x28, 0x44,
+  0x1c, 0xa0, 0xa0, 0xa0, 0x7c,
+  0x44, 0x64, 0x54, 0x4c, 0x44,
+  0x00, 0x08, 0x36, 0x41, 0x00,
+  0x00, 0x00, 0x7f, 0x00, 0x00,
+  0x00, 0x41, 0x36, 0x08, 0x00,
+  0x04, 0x02, 0x04, 0x08, 0x04,
+  0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
+};
+
+/*
+ * Memory copy of display bitmap
+ *
+ * This has the same format as the Recorder hardware:
+ * Bits within a byte are arranged veritcally, LSB at top.
+ * Byte 0 is top left, byte 1 is 2nd left, byte DISP_X starts 2nd row.
+ */
+static uchar display[DISP_Y/8][DISP_X];
+
+static uint16 lcd_y;    /* Current pixel row */
+static uint16 lcd_x;    /* Current pixel column */
+
+/*
+ * Set current x,y position
+ */
+void lcd_position (int x, int y)
+{
+  if (x >= 0 && x < DISP_X && y >= 0 && y < DISP_Y)
+    {
+      lcd_x = x;
+      lcd_y = y;
+    }
+}
+
+/*
+ * Clear the display
+ */
+void lcd_clear (void)
+{
+  lcd_x = 0;
+  lcd_y = 0;
+  memset (display, 0, sizeof display);
+}
+