main.c

s3c2410/s3c2440的bootloader演示程序

#include "2410addr.h"
#include "2410slib.h"
#include "lcd.h" 
#include "port.h"
#include "uart0.h"


void Main(void)
{
	int i;
	unsigned char KeyCnt4=0;
	static unsigned char KeyPressed4 = 0;
	unsigned char KeyCnt3=0;
	static unsigned char KeyPressed3 = 0;
	unsigned int EllipseR=0;
	MMU_EnableICache();
	Port_Init();
	Uart0_Init();
	Uart0_SendString("\n\n\n");
	Uart0_SendString("+---------------------------------------------+\n");
	Uart0_SendString("| S3C2410X lcd test code, v1.1.               |\n");
	Uart0_SendString("+---------------------------------------------+\n");
	Lcd_Init();
	Lcd_Clear(0x07e0);
	Uart0_SendString("Lcd init end!\n");
	while (1)
	{
		if(!(rGPFDAT&(0x01<<7)))
		{
    		for(i=0;i<100000;i++);
    		if((!(rGPFDAT&(0x01<<7))) && (!KeyPressed4))
    		{
    			KeyPressed4 = 1;
    			KeyCnt4 = ((KeyCnt4<2) ? (KeyCnt4+1) : 0);
    		}
    		switch(KeyCnt4)
    		{
				case 0:
					Lcd_Clear(0x07e0);
					break;
    			case 1:
    				Lcd_DispColorBar();
    				break;
    			case 2:
    				Lcd_DispBlackLine();
    				break;
    			default:
    				break;
    		}
    	}
    	else
    	{
    		for(i=0;i<100000;i++);
    		if(rGPFDAT&(0x01<<7))
    		{
    			KeyPressed4 = 0;
    		}
    	}

		if(!(rGPFDAT&(0x01<<3)))
		{
    		for(i=0;i<100000;i++);
    		if((!(rGPFDAT&(0x01<<3))) && (!KeyPressed3))
    		{
    			KeyPressed3 = 1;
    			KeyCnt3 = ((KeyCnt3<1) ? (KeyCnt3+1) : 0);
				
				EllipseR = 0;
				switch(KeyCnt4)
    			{
    				case 0:
						Lcd_Clear(0x07e0);
						break;
    				case 1:
    					Lcd_DispColorBar();
    					break;
    				case 2:
    					Lcd_DispBlackLine();
    					break;
    				default:
    					break;
    			}
    		}
    	}
    	else
    	{
    		for(i=0;i<100000;i++);
    		if(rGPFDAT&(0x01<<3))
    		{
    			KeyPressed3 = 0;
    		}
    	}
		if(KeyCnt3 == 1)
		{
			if(EllipseR<200)
			{
				EllipseR += 3;
			}
			else
			{
				EllipseR = 0;
				switch(KeyCnt4)
    			{
    				case 0:
						Lcd_Clear(0x07e0);
						break;
    				case 1:
    					Lcd_DispColorBar();
    					break;
    				case 2:
    					Lcd_DispBlackLine();
    					break;
    				default:
    					break;
    			}
			}
			Lcd_DispEllipse(LCD_XSIZE/2, LCD_YSIZE/2, EllipseR, EllipseR, 0x001f);
		}
    }
}