main.c

arm7s3c44b0x0里ps2口和lcd口驱动编程实例

#include <string.h>
#include "\inc\define.h"
#include "\inc\drives.h"
#include "\inc\TBlib.h"
#include "ps2\PS2KeyBoard.h"
#include "lcd\lcd.h"

//依次为按键abcd....xyz,所对应的键值，最后一个为0xf0，break的前导码
U8 CodeSet3_TruthTable[27]={
0x1c,
0x32,
0x21, 
0x23,
0x24,
0x2b,
0x34,
0x33,
0x43,
0x3b,
0x42,
0x4b,
0x3a,
0x31,
0x44,
0x4d,
0x15,
0x2d,
0x1b,
0x2c,
0x3c,
0x2a,
0x1d,
0x22,
0x35,
0x1a,
0xf0,
};
U8 EmptyDisplay[]={
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,};
extern U8 English_Alphabet[];
extern U8 hanjie_zk[];
extern U8 zifu_a[];
extern U8 C256Palette[256];

extern U8 laqbmp[];
extern U8 zxybmp[];
extern U8 Virtualbmp[];

void Main(void)
{
	U8 i=0, j=0, k=0, mytemp;
		
	DisableInt();	           //Disable interrupt	
	
	BoardInitStart();	
	SystemClockInit();
	TimerInit(TIMER_FREQ);
    MemCfgInit();
	PortInit();
	SerialChgBaud(115200);	
//	ISRInit();
	BoardInitEnd();		

	CacheFlush();
	CacheEnable();
	EnableInt();
		
	Lcd_Init ();

	//Led_Display(0xf);
	Delay(0);
	Beep(0x1,500);
	Uart_Select(0);
	Uart_Printf("\n----------------------------------------------------------------");
	Beep(0x00,500);
	Uart_Printf("\nOEM name   :     浙江大学机械电子控制工程研究所                 ");
	Uart_Printf("\nWebsite    :     www.zju.edu.cn                                 ");
	Uart_Printf("\nPowered by :     LSG, ZFS                                       ");
	Uart_Printf("\nEmail      :     [e-mail]                         ");
	Uart_Printf("\nFunction   :     ARMSYS44b0's PS/2 KeyBoarder test Program      ");
	Uart_Printf("\nUART Config:     115.2kbps,8Bit,NP,UART0                        ");
	Uart_Printf("\n----------------------------------------------------------------");
	Uart_Printf("\nS3C44B0X Test Program Ver 2.0 rSYSCFG=0x%x MCLK=%dHz\n",rSYSCFG,MCLK_D);
	//Led_Display(0x0);

    draw_zf(20,20,hanjie_zk,RED,16,16);
    
    draw_zf(40,40,hanjie_zk,RED,16,16);
    
    	
    do
    {
        PS2Command_init(0xff);//reset
    }while(0xfa != PS2_GetKeyDat());
    
    do
    {
        PS2Command_init(0xf5);//default disable    
    }while(0xfa != PS2_GetKeyDat());
    
    do
    {
        PS2Command_init(0xf3);//set delay and typematic    
    }while(0xfa != PS2_GetKeyDat());
    
    do
    {
        PS2Command_init(0x1f);//delay and typematic    
    }while(0xfa != PS2_GetKeyDat());
    
    do
    {
        PS2Command_init(0xf0);//set scan codes
    }while(0xfa != PS2_GetKeyDat());
    
    do
    {
        PS2Command_init(0x03);//scan codes 3   
    }while(0xfa != PS2_GetKeyDat());
    
    do
    {
        PS2Command_init(0xf9);// 0xf8:make and break; 0xf9: only make 
    }while(0xfa != PS2_GetKeyDat());
    
    do
    {
        PS2Command_init(0xf4);//enable
    }while(0xfa != PS2_GetKeyDat());
    
    LcdDraw_backgroundcolor(BLUE);
    for(i=0;i<100;i++)
    {
     _PutPixelC256(50+i,50+i,GREEN);
    }
    PaletteGenerator();
    
    while(1)
    {
        mytemp = PS2_GetKeyDat();
        switch(mytemp)
        {
        case 0x5a://carrage return
            k++;
            j = 0;
            break;
        case 0x66://back space
            if(j>0)
            {
              j--;
            }
            draw_zf(j*8,k*16,EmptyDisplay,BLUE,8,16);
            break;
        case 0x29://space
            draw_zf(j*8,k*16,EmptyDisplay,BLUE,8,16);            
            j++;
            if(j==80)
            { 
                j=0;
                k++;
            }
            break;
        default:
           for(i=0;i<27;i++)
           {
	           if(CodeSet3_TruthTable[i] == mytemp)
	           {
	               draw_zf(j*8,k*16,English_Alphabet+16*i,RED,8,16);            
	               j++;
	               if(j==80)
	               { 
	                   j=0;
	                   k++;
	               }
	               break;
	           }
	        }
	    }	        
    }
	while(1)
	{	
        Uart_Printf("%0x\n",PS2_GetKeyDat());
    }
}