main.c

ARM9（S3C2410）的TFTLCD控制器原码

/*C语言函数
*/

#include "def.h"
#include "2410addr.h"
#include "mmu.h"
#include "func.h"

extern unsigned char MMbmp[];

extern BITMAPFILEHEADER bmfh;
extern BITMAPINFOHEADER bmih;
extern int BMP_Displayed;

extern U8 UART0_BMP_BUFFER[SCR_ySIZE*SCR_xSIZE];		//UART0接收BMP图片数据的缓冲区

void Main()
{
	
	MMU_Init();				//初始化MMU
	SysCLK_Init();		    //初始化系统时钟
	IO_Port_Init();			//初始化I/O口
	 	
	KEY_PORT_Init();
	
	UART_Init();
	
	LCD_Init();

	while(1)				
 	{
		if((rGPFDAT&0x0004)==0)      /*若按键S3按下，则LCD显示R,G,B三段颜色*/		
		{
		    Delay(2000);
		    Lcd_EnvidOnOff(1);
		    Uart_Printf("LCD Display R,G,B Color Bars\n");
			TPAL_TurnOnOff(0,0xff00ff);
    		Glib_FilledRectangle(0,0,239,106,0xf800);    
    		Glib_FilledRectangle(0,107,239,213,0x07e0);  
    		Glib_FilledRectangle(0,214,239,319,0x001f);
		}
		if((rGPFDAT&0x0002)==0)      /*若按键S4按下，则LCD显示一幅BMP格式的图片*/		
		{
			Delay(2000);
			Lcd_EnvidOnOff(1);
			TPAL_TurnOnOff(0,0xff00ff);
			Glib_FilledRectangle(0,0,239,319,0x0000);     // 整个屏幕填充黑色
			Paint_Bmp(0,0,MMbmp);
		}
		if((rGPFDAT&0x0001)==0)      /*若按键S2按下，则移动LCD中画面显示位置*/	
		{
			Delay(2000);
			Glib_FilledRectangle(0,0,239,319,0x0000);     // 整个屏幕填充黑色
			Paint_Bmp(0,0,MMbmp);
			if(BMP_Displayed)
			{
				MoveViewPort();		
			}
			else
			{
				Uart_Printf("Please load the BMP picture first!\n");
			}
		}
		if((rGPGDAT&0x0020)==0)      /*若按键S5按下，则接收自UART0传来的BMP图片数据，并在LCD上显示*/		
		{
			Delay(2000);
			Lcd_EnvidOnOff(1);
			TPAL_TurnOnOff(0,0xff00ff);
			Glib_FilledRectangle(0,0,239,319,0x0000);     // 整个屏幕填充黑色
			
			Uart_Printf("Please load the BMP picture by UART0!\n");

			UART0_RecvBmp();
			Paint_Bmp(0,0,UART0_BMP_BUFFER);
		}
	}
}