drv_lcd.c

Epson系列芯片开发的例子

/************************************************************************
 *									*
 *	Copyright (C) SEIKO EPSON CORP. 2002				*
 *									*
 *	File name: Drv_LCD.c						*
 *	  This is L1F10043T00 LCD module driver.			*
 *									*
 *									*
 *	Revision history						*
 *		2002-5-28		Andrew Yin	Start.		*
 *    									*
 ************************************************************************/

/*----------------------------------------------------------------------------------------
This program define L1F10043T00:

	Text & Graphic mode:
	Total pages:		160 	(   page 0: up side 	to     page 159:    down side)
	Columns in each page:	120	( Column 0: left side 	to  Column 119: right side)
	Bits in each column:	16 bits (   R:D15~D12    G: D11~D8     B: D7~D4    )
	Dot Matrix mode:
	Total resolution:
	X:	120 dots;	Y:	160 dots
	 (0,0) left-up corner to (119,159) right-down corner
-----------------------------------------------------------------------------------------*/

#include "common.h"
#include "io.h"
#include "bcu.h"
#include "int.h"
#include "8timer.h"
#include "16timer.h"
#include "ad.h"
#include "osc.h"
#include "presc.h"
#include "math.h"

//LCD Port Address
#define LCD_COMMAND	0x0400000
#define LCD_DATA	0x0400002

extern unsigned short data;
extern const unsigned short ucpImage[];

void vInitLCD( void );							// LCD initial
void vLCDBacklightOn( void );						// LCD backlight on
void vLCDBacklightOff( void );						// LCD backlight off
void vLCDDisplayOn( void );						// Display ON
void vLCDDisplayOff(void);						// Display OFF
void vLCDDrawRctngl( unsigned char ucX1, unsigned char ucX2, unsigned char ucY1, 
	unsigned char ucY2, unsigned short *uspImage );				//display a rectangle
void vLCDDrawHrzntlLine( unsigned char ucY, unsigned char ucStartPoint, 
	unsigned char ucLength, unsigned short usColor );			//display a horizontal pure color line
void vLCDDrawVrtclLine( unsigned char ucX, unsigned char ucStartPoint, 
	unsigned char ucLength, unsigned short usColor );			//display a vertical pure color line
void vLCDDrawOneDot( unsigned char ucX, unsigned char ucY, 
	unsigned short usColor );						//display a dot
void vLCDDrawPureColor( unsigned short color );					//display pure color on LCD
void vLCDClr( void );								//display with white color


void display( unsigned short data, unsigned short n );					// Display data
void vDrawImage( unsigned short* ucpImage);						// Display image
void vDisplayDownloadImage( unsigned char ucX1, unsigned char ucX2, unsigned char ucY1,
				 unsigned char ucY2, unsigned short *uspImage );	// Display Download image

/***********************************************************************************************
 * vInitLCD
 *   Type :	void
 *   Ret val :	none
 *   Argument :	void
 *   Function :	LCD initial routine
 ***********************************************************************************************/
void vInitLCD( void )
{
	*(volatile unsigned char *)LCD_COMMAND 	= 0x0CA;	// Display Control
	asm("nop");
	*(volatile unsigned char *)LCD_DATA 	= 0x0c;		// divid ratio: not divid,driving pattern
	*(volatile unsigned char *)LCD_DATA 	= 0x28;		// Duty=1/164
	*(volatile unsigned char *)LCD_DATA 	= 0x0b;		// 12H-inversion
		
	*(volatile unsigned char *)LCD_COMMAND 	= 0x0bb;	// Common scan direction
	asm("nop");
	*(volatile unsigned char *)LCD_DATA 	= 0x02; 
	
	*(volatile unsigned char *)LCD_COMMAND 	= 0x0d1;	// Oscillation On
		
	*(volatile unsigned char *)LCD_COMMAND 	= 0x75;		// Page Address Set
	asm("nop");
	*(volatile unsigned char *)LCD_DATA 	= 0x00;
	*(volatile unsigned char *)LCD_DATA 	= 0x9f;
		
	*(volatile unsigned char *)LCD_COMMAND 	= 0x15;		// Column Address Set
	asm("nop");
	*(volatile unsigned char *)LCD_DATA 	= 0x00;		//0x06;		for 45T
	*(volatile unsigned char *)LCD_DATA 	= 0x77;		//0x77 + 0x06;	for 45T

	*(volatile unsigned char *)LCD_COMMAND 	= 0xbc;		// Data Control
	asm("nop");
	*(volatile unsigned char *)LCD_DATA 	= 0x02;		//
	*(volatile unsigned char *)LCD_DATA 	= 0x01;		//
	*(volatile unsigned char *)LCD_DATA 	= 0x02;		//TYPEa-0x02;TYPEb-0x04
		
	*(volatile unsigned char *)LCD_COMMAND 	= 0x0be;	// Datall Cancel
	
	*(volatile unsigned char *)LCD_COMMAND 	= 0x0A7;	// Display Normal a6/ Revers a7
		
	*(volatile unsigned char *)LCD_COMMAND 	= 0x94;		// Sleep In / Out
		
	*(volatile unsigned char *)LCD_COMMAND 	= 0x20;		// Power Control
	asm("nop");
	*(volatile unsigned char *)LCD_DATA 	= 0x0f;
		
	*(volatile unsigned char *)LCD_COMMAND 	= 0x81;		// Volume Control
	asm("nop");
	*(volatile unsigned char *)LCD_DATA 	= 0x2a;		//2e;
	*(volatile unsigned char *)LCD_DATA 	= 0x03;
	
	*(volatile unsigned char *)LCD_COMMAND 	= 0xAf;		// Display On / Off
	
	vLCDBacklightOn( );
}

/*****************************************************************************************************
 *   vLCDDrawOneDot
 *   Type :	void
 *   Ret val :	none 
 *   Argument :	unsigned char ucX:			ucX ( 0 ~ 119 )
 *		unsigned char ucY:			ucY ( 0 ~ 159 )
 *		unsigned short usColor:			ucColor ( 0x0000 ~ 0x0fff0 )
 *   Function :	refresh one dot of the LCD Module
 *****************************************************************************************************/
void vLCDDrawOneDot( unsigned char ucX, unsigned char ucY, unsigned short usColor )
{
	*(volatile unsigned char *)LCD_COMMAND = 0x75;		// Page Address Set
	asm("nop");
	*(volatile unsigned char *)LCD_DATA = ucY;
	*(volatile unsigned char *)LCD_DATA = ucY;

	*(volatile unsigned char *)LCD_COMMAND = 0x15;		// Column Address Set
	asm("nop");
	*(volatile unsigned char *)LCD_DATA = ucX;
	*(volatile unsigned char *)LCD_DATA = ucX;
	
	*(volatile unsigned char *)LCD_COMMAND = 0x5C;
	asm("nop");
	*( volatile unsigned short * )LCD_DATA = usColor;
		
	*(volatile unsigned char *)LCD_COMMAND = 0x25;		// NOP command
}

/*****************************************************************************************************************
 *   vLCDDrawHrzntlLine
 *   Type :	void
 *   Ret val :	none 
 *   Argument :	unsigned char ucY:		The Y axis of the horizontal line, and the range of ucY is 0 ~ 159
 *		unsigned char ucStartPoint:	The start point of the horizontal line, range is 0 ~ 119
 *		unsigned char ucLength:		The length of the horizontal line, range is 0 ~ 119
 *		unsigned short usColor:		ucColor ( 0x0000 ~ 0x0fff0 )
 *   Function :	refresh one horizontal pure color line of the LCD Module
 *****************************************************************************************************************/
void vLCDDrawHrzntlLine( unsigned char ucY, unsigned char ucStartPoint, unsigned char ucLength, unsigned short usColor )
{
	unsigned char width;
	
	*(volatile unsigned char *)LCD_COMMAND = 0x75;			// Page Address Set
	asm("nop");
	*(volatile unsigned char *)LCD_DATA = ucY;
	*(volatile unsigned char *)LCD_DATA = 0x9F;
		
	*(volatile unsigned char *)LCD_COMMAND = 0x15;			// Column Address Set
	asm("nop");
	*(volatile unsigned char *)LCD_DATA = ucStartPoint;
	*(volatile unsigned char *)LCD_DATA = 0x77;
	
	*(volatile unsigned char *)LCD_COMMAND = 0x5C;
	for ( width = 0; width <= ucLength; width++ )
		*( volatile unsigned short * )LCD_DATA = usColor;
		
	*(volatile unsigned char *)LCD_COMMAND = 0x25;			//NOP> command
}

/*****************************************************************************************************
 *   vLCDDrawVrtclLine
 *   Type :	void
 *   Ret val :	none 
 *   Argument :	unsigned char ucX:		ucX ( 0 ~ 119 )
 *		unsigned char ucStartPoint:	The start point of the vertical line, range is 0 ~ 159
 *		unsigned char ucLength:		The length of the vertical line, range is 0 ~ 159
 *		unsigned short usColor:		ucColor ( 0x0000 ~ 0x0fff0 )
 *   Function :	refresh one vertical pure color line of the LCD Module
 *****************************************************************************************************/
void vLCDDrawVrtclLine( unsigned char ucX, unsigned char ucStartPoint, unsigned char ucLength, unsigned short usColor )
{
	unsigned char height;
	
	*(volatile unsigned char *)LCD_COMMAND 	= 0xbc;		// Data Control
	asm("nop");
	*(volatile unsigned char *)LCD_DATA 	= 0x06;		//
	*(volatile unsigned char *)LCD_DATA 	= 0x01;		//
	*(volatile unsigned char *)LCD_DATA 	= 0x02;		//TYPEa-0x02;TYPEb-0x04
	
	*(volatile unsigned char *)LCD_COMMAND = 0x75;		// Page Address Set
	asm("nop");
	*(volatile unsigned char *)LCD_DATA = ucStartPoint;
	*(volatile unsigned char *)LCD_DATA = 0x9F;
		
	*(volatile unsigned char *)LCD_COMMAND = 0x15;		// Column Address Set
	asm("nop");
	*(volatile unsigned char *)LCD_DATA = ucX;		
	*(volatile unsigned char *)LCD_DATA = 0x77;
	
	*(volatile unsigned char *)LCD_COMMAND = 0x5C;
	for ( height = ucStartPoint; height <= ucLength + ucStartPoint; height++ )
		*( volatile unsigned short * )LCD_DATA = usColor;
		
	*(volatile unsigned char *)LCD_COMMAND = 0x25;		//NOP> command
	
	*(volatile unsigned char *)LCD_COMMAND 	= 0xbc;		// Data Control
	asm("nop");
	*(volatile unsigned char *)LCD_DATA 	= 0x02;		//
	*(volatile unsigned char *)LCD_DATA 	= 0x01;		//
	*(volatile unsigned char *)LCD_DATA 	= 0x02;		//TYPEa-0x02;TYPEb-0x04
}

/*****************************************************************************************************