test_lcd.c

s3c2440的LCD控制器驱动程序 ps 无操作系统的情况

#include "UART_printf.h"
#include "typedef.h"
#include "lcdctl.h"
#include "boot_interface.h"


void test_lcd()
{
	unsigned long buf_addr = S3C2440_FRAME_START_ADDRESS;
	int x;
	int y;
	unsigned short color = BLACK;
	unsigned long ulTempData=0x0;
	int i;
	UART_printf("Init start...\n");
     lcdCtlInit();
    UART_printf("Init ended...\n");
    displayMemoryInit((unsigned short) WHITE);
     
	/*printf value of a Reg */
	ulTempData=lcdCtlReadreg((int)LCDCTL_TCONSEL_ADDR);
	UART_printf("the value of reg is %x.\n",ulTempData);
	
	lcdCtlOpen(); /*open video out*/
	UART_printf("LCD is open.\n");
	UART_printf("LCD is working.\n" );
	  for(i=0;i<5;i++)
     lcdCtlDelay(50000);
     
	 displayMemoryInit((unsigned short)GREEN);
	
	 for(i=0;i<50;i++)
     lcdCtlDelay(50000);
	 displayMemoryInit((unsigned short)BLUE);
	
	  for(i=0;i<50;i++)
      lcdCtlDelay(50000);
	
	displayMemoryInit((unsigned short)RED);
	  for(i=0;i<50;i++)
     lcdCtlDelay(50000);
	

	displayMemoryInit((unsigned short)YELLOW);
	  for(i=0;i<50;i++)
     lcdCtlDelay(50000);
     
     	for( x = 1, y = 1; y <= 240; ++x, ++y )
	{
		write_pixel( (unsigned short *)buf_addr, x, y, color );
	}
	
	lcdDrawLine( (unsigned short *)buf_addr,16, color ); 
	
	lcdDrawLine( (unsigned short *)buf_addr, 6, color );
	
	//displayMemoryInit((unsigned short)WHITE);
	
	  for(i=0;i<50;i++)
     lcdCtlDelay(50000);
	lcdCtlClose();
  }