From d20e6eee0e483582a40968bff25108c3ed855195 Mon Sep 17 00:00:00 2001 From: Daniel Stenberg Date: Tue, 26 Mar 2002 10:06:28 +0000 Subject: generic and specific LCD functions git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14 a1c6a512-1295-4272-9138-f99709370657 --- uisimulator/lcd.c | 179 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 179 insertions(+) create mode 100644 uisimulator/lcd.c (limited to 'uisimulator/lcd.c') 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 + * + * 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); +} + -- cgit v1.2.3