test_lcd.c

S3C4510的LCD測試程式(含源碼,可以順利修改自己的功能)

/*
 *	test_lcd.c    --    test lcd application
 *	
 *	Author: 	lumit-admin <[e-mail]>
 *	Date:		2005-1-11
 *	Copyright:	http://www.lumit.org
 */

//#include "led.h"
//#include "lcd.h"

#include <stdio.h>

#define SYSCFG		(0x03ff0000)
#define UART0_BASE	(SYSCFG + 0xD000)
#define UART1_BASE 	(SYSCFG + 0xE000)

/*
 * Serial settings.......................
 */
	
#define	ULCON	0x00 
#define	UCON	0x04
#define	USTAT	0x08
#define	UTXBUF	0x0C
#define	URXBUF	0x10
#define	UBRDIV	0x14

/*
 * Line control register bits............
 */
 
#define	ULCR8bits		(3)
#define	ULCRS1StopBit	(0)
#define	ULCRNoParity	(0)

/*
 * UART Control Register bits............
 */
 
#define 	UCRRxM	(1)
#define 	UCRRxSI	(1 << 2)
#define 	UCRTxM	(1 << 3)
#define 	UCRLPB	(1 << 7)

/*
 * UART Status Register bits
 */
 
#define USROverrun     	(1 << 0)
#define	USRParity      	(1 << 1)
#define	USRFraming     	(1 << 2)
#define	USRBreak       	(1 << 3)
#define	USRDTR			(1 << 4)
#define	USRRxData      	(1 << 5) 
#define	USRTxHoldEmpty 	(1 << 6)
#define	USRTxEmpty     	(1 << 7)

#define GET_STATUS(p)	(*(volatile unsigned  *)((p) + USTAT))
#define RX_DATA(s)     	((s) & USRRxData)
#define GET_CHAR(p)		(*(volatile unsigned  *)((p) + URXBUF))
#define TX_READY(s)    	((s) & USRTxHoldEmpty)
#define PUT_CHAR(p,c)  	(*(unsigned  *)((p) + UTXBUF) = (unsigned )(c))

void delay()
{
	int i, j;

	for( i=0; i<20; i++ )
		for ( j=0; j<65536; j++ )
			;
}

int putchar_uart0(int ch)
{
    /* Place your implementation of fputc here     */
    /* e.g. write a character to a UART, or to the */
    /* debugger console with SWI WriteC            */   

	while ( TX_READY(GET_STATUS(UART0_BASE))==0);
	    PUT_CHAR(UART0_BASE, ch);
	    
   return ch;
}

struct __FILE { int handle;   /* Add whatever you need here */};
FILE __stdout;

int fputc(int ch, FILE *f)
{
    /* Place your implementation of fputc here     */
    /* e.g. write a character to a UART, or to the */
    /* debugger console with SWI WriteC            */   

   putchar_uart0( ch );
	    
   return ch;
}

int ferror(FILE *f)
{
    /* Your implementation of ferror */
    return EOF;
}

#define LTCOS1	(0x7 << 16) 
#define LTACS1	(0x6 << 19) 
#define LTCOH1	(0x2 << 22) 
#define LTACC1	(0x7 << 25) 

// Bus Width of External I/O Bank 0
//#define DSX0	(0x01 << 20)
#define DSX1	(0x01 << 22)

#define ASIC_BASE	0x3ff0000

/* I/O Port Interface */
#define IOPMOD		*(volatile unsigned int *)(ASIC_BASE+0x5000)
#define IOPCON  	*(volatile unsigned int *)(ASIC_BASE+0x5004)
#define IOPDATA 	*(volatile unsigned int *)(ASIC_BASE+0x5008)

void C_Entry( void )
{
	int count = 0;

	IOPMOD=0x3fff;
	IOPDATA=0x0;

	printf( "lcd new begin \r\n" );
	
	{
		printf( "lcd init begin \r\n" );
		LCDInit();
		printf( "lcd init OK! \r\n" );
		
		LCDTest();
		printf( "lcd test OK! \r\n" );
	}
	 
	while(1);
	
}

/****************************************************************
 * End of test_lcd.c
 ****************************************************************/