lcd.h

DIY自己的MP3的参考价值极高的代码。含有详细的解释

/* ***********************************************************************
**
**  Copyright (C) 2002  Jesper Hansen <[e-mail]> and 
**			Romuald Bialy (MIS) <[e-mail]>.
**
**
**  Yampp-7/USB - low level support library
**
**
*************************************************************************
**
**   This file is part of the yampp system.
**
**  This program is free software; you can redistribute it and/or
**  modify it under the terms of the GNU General Public License
**  as published by the Free Software Foundation; either version 2
**  of the License, or (at your option) any later version.
**
**  This program is distributed in the hope that it will be useful,
**  but WITHOUT ANY WARRANTY; without even the implied warranty of
**  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
**  GNU General Public License for more details.
**
**  You should have received a copy of the GNU General Public License
**  along with this program; if not, write to the Free Software Foundation, 
**  Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
**
*************************************************************************
**
**  Revision History
**
**  when         what  who	why
**
**  2002-09-22   1.0   MIS      initial public release
**
*********************************************************************** */

#ifndef LCD_H
#define LCD_H
#include "..\Constants.h"

#define EEPROM_LANGTAB		0x010   // 20 bytes
#define EEPROM_LANGCHARS	0x028	// 20*14 = 280 bytes

#define LCD_CS	PB4

#ifdef EPSON_LCD

 #define LCD_CMD_PWRCTRL	0x20
 #define LCD_CMD_BSTRON		0xD1
 #define LCD_CMD_SLEEPIN	0x95
 #define LCD_CMD_SLEEPOUT	0x94
 #define LCD_CMD_INVON		0xA7
 #define LCD_CMD_SETCON		0x81
 #define LCD_CMD_DISPON		0xAF
 #define LCD_CMD_CASET		0x15
 #define LCD_CMD_PASET		0x75
 #define LCD_CMD_RAMWR		0x5C
 #define LCD_CMD_RGBSET		0xCE
 #define LCD_CMD_MADCTL		0xBC

 #define MADCTL_HORIZ		0x00
 #define MADCTL_VERT		0x04

#else

 #define LCD_CMD_SWRESET	0x01
 #define LCD_CMD_BSTRON		0x03
 #define LCD_CMD_SLEEPIN	0x10
 #define LCD_CMD_SLEEPOUT	0x11
 #define LCD_CMD_INVON		0x21
 #define LCD_CMD_SETCON		0x25
 #define LCD_CMD_DISPON		0x29
 #define LCD_CMD_CASET		0x2A
 #define LCD_CMD_PASET		0x2B
 #define LCD_CMD_RAMWR		0x2C
 #define LCD_CMD_RGBSET		0x2D
 #define LCD_CMD_MADCTL		0x36
 #define LCD_CMD_COLMOD		0x3A

 #define MADCTL_HORIZ		0x48
 #define MADCTL_VERT		0x68

#endif

#ifndef LCD_ASM

 void lcd_init(void);			// LCD initialise
 void lcd_off(void);			// LCD power down
 void lcd_contrast(u08 contr);		// Set LCD contrast (0x00 - 0x7F)
 void lcd_clrscr(void);
 void lcd_putchar(u08 data);
 void lcd_puts(char s[]);
 void lcd_progputs(char s[]);
 void lcd_bar(u16 val, u16 colour);	// Display progressbar on LCD
 void lcd_gotoxy(u08 x, u08 y);
 void lcd_window(u08 xp, u08 yp, u08 xe, u08 ye);
 void lcd_color(u08 bkg, u08 text);	// Set characters color
 void lcd_wrdata(u08 data);		// Send one data byte to LCD.
 void lcd_wrcmd(u08 cmd);

#endif

#endif // ifndef LCD_H