44bmon-1.c

ARM 44b0x培训教程完整源代码下载

#include <string.h>
#include "..\inc\option.h"
#include "..\inc\def.h"
#include "..\inc\44b.h"
#include "..\inc\44blib.h"
#include "..\inc\lcd.h"

//99.5.14 : Lcd_Init(), non-cacheable region is added.
//99.5.26 : link address: 0x1800000->0x0
//99.6.30(Ver 0.2): supports 64M DRAM(GCS6)
//99.8.10 : filesize counter: 6digit->7digit 
//99.8.27 : support Power Down mode
//00.4.20 : modify for S3C44BOX

#define DOWNLOAD_ADDRESS _RAM_STARTADDRESS

void (*restart)(void)=(void (*)(void))0x0;
void (*run)(void)=(void (*)(void))DOWNLOAD_ADDRESS;

#define START_LOGO_ADDRESS 0x7000 
#define START_ASCII_ADDRESS 0x7400

unsigned int (*frameBuffer)[10];

volatile unsigned char *downPt;


void displaylcd(void);
void messageprint(char *,unsigned int ,unsigned int );
void print_logo(int ,int );
void clrscreen(void);
unsigned ToLittle(unsigned );

void Isr_Init(void);
void Lcd_Init(void);
void Lcd_MonoInit(void);
void Lcd_16Init(void);
void clr16gray(void);
void display16samlogo(void);
void __irq Uart0_RxInt(void);
void __irq Uerror(void);
volatile unsigned int err=0;

/*
static union Toch8{

	struct {
		unsigned ch1:4;
		unsigned ch2:4;
		unsigned ch3:4;
		unsigned ch4:4;
		unsigned ch5:4;
		unsigned ch6:4;
		unsigned ch7:4;
		unsigned ch8:4;
	}Lch8;
	unsigned int Lch32;
};

*/

			

static union uni{
		unsigned int L32Bbit;
		struct {
		unsigned S1Bbit0:1;
		unsigned S1Bbit1:1;
		unsigned S1Bbit2:1;
		unsigned S1Bbit3:1;
		unsigned S1Bbit4:1;
		unsigned S1Bbit5:1;
		unsigned S1Bbit6:1;
		unsigned S1Bbit7:1;
		unsigned S1Bbit8:1;
		unsigned S1Bbit9:1;
		unsigned S1Bbit10:1;
		unsigned S1Bbit11:1;
		unsigned S1Bbit12:1;
		unsigned S1Bbit13:1;
		unsigned S1Bbit14:1;
		unsigned S1Bbit15:1;
		unsigned S1Bbit16:1;
		unsigned S1Bbit17:1;
		unsigned S1Bbit18:1;
		unsigned S1Bbit19:1;
		unsigned S1Bbit20:1;
		unsigned S1Bbit21:1;
		unsigned S1Bbit22:1;
		unsigned S1Bbit23:1;
		unsigned S1Bbit24:1;
		unsigned S1Bbit25:1;
		unsigned S1Bbit26:1;
		unsigned S1Bbit27:1;
		unsigned S1Bbit28:1;
		unsigned S1Bbit29:1;
		unsigned S1Bbit30:1;
		unsigned S1Bbit31:1;
		}L1Bbit;
		};



void Main(void)
{
    int i,j;
    int memError=0;
    unsigned int fileSize;
    unsigned short int checkSum=0,dnCS;
//    volatile unsigned *pt;

    rSYSCFG=CACHECFG;

    downPt=(unsigned char *)DOWNLOAD_ADDRESS;

    pISR_SWI=(_ISR_STARTADDRESS+0xf0);	  //for pSOS

    Port_Init();
    Led_Display(0x0);
    Isr_Init();
    Uart_Init(0,115200);

    Lcd_Init();     //to avoid LCD damage.

    Delay(0);
    Uart_Select(0); //Select UART0

    Uart_Printf("\n\n44bMON Ver 0.01 for S3C44B0X May,2000\n");
    Uart_Printf("COM:115.2kbps,8Bit,NP,UART0 <n+6>(4)+(n)+CS(2)\n");
    Uart_Printf("DOWNADDR:%x ISR_ADDR:%x SYSCFG:%x \n",DOWNLOAD_ADDRESS,_ISR_STARTADDRESS,rSYSCFG );
    Uart_Printf("E-mail:[e-mail]\n\n");

    Uart_Printf("Memory Test(%xh-%xh):WR",
	_RAM_STARTADDRESS,(_ISR_STARTADDRESS&0xfff0000));
    for(i=_RAM_STARTADDRESS;i<(_ISR_STARTADDRESS&0xfff0000);i+=4)
    {
	*((volatile unsigned *)i)=i;
    }
    Uart_Printf("\b\bRD");
    for(i=_RAM_STARTADDRESS;i<(_ISR_STARTADDRESS&0xfff0000);i+=4)
    {
	j=*((volatile unsigned *)i);
	if(j!=i)memError=1;
    }
    if(memError==0)
	Uart_Printf("\b\bO.K.\n");
    else 
	Uart_Printf("\b\bFAIL\n");

    while(( (unsigned int)downPt-DOWNLOAD_ADDRESS )<4)
    {
	Led_Display(0xf);
	Delay(1000);
	Led_Display(0x0);
	Delay(1000);
    }

    fileSize=*((unsigned char *)(DOWNLOAD_ADDRESS+0))+
	(*((unsigned char *)(DOWNLOAD_ADDRESS+1))<<8)+
	(*((unsigned char *)(DOWNLOAD_ADDRESS+2))<<16)+
	(*((unsigned char *)(DOWNLOAD_ADDRESS+3))<<24);

    Uart_Printf("\nNow, Downloading... [FILESIZE:%7d(      0)",fileSize);

    while(((int)downPt-DOWNLOAD_ADDRESS)<fileSize)
    {
	Uart_Printf("\b\b\b\b\b\b\b\b%7d)",(int)downPt-DOWNLOAD_ADDRESS);
//	Uart_Printf("error=%d\n",err);
    }
    Uart_Printf("\b\b\b\b\b\b\b\b%7d)\n",(int)downPt-DOWNLOAD_ADDRESS);

    for(i=4;i<(fileSize-2);i++)
    {
	checkSum+=*((unsigned char *)(i+DOWNLOAD_ADDRESS));
    }
    dnCS=*((unsigned char *)(DOWNLOAD_ADDRESS+fileSize-2))+
	(*( (unsigned char *)(DOWNLOAD_ADDRESS+fileSize-1) )<<8);

    if(checkSum!=dnCS)
    {
	Uart_Printf("Checksum Error!!! MEM:%x DN:%x\n",checkSum,dnCS);
	restart();
    }

    Uart_Printf("\nDownload O.K.\n");

    for(i=4;i<(fileSize-2);i++) //Move the program from 0x1000004~ to 0x1000000~
    {
	*((unsigned char *)(i+DOWNLOAD_ADDRESS-4))
	    =*((unsigned char *)(i+DOWNLOAD_ADDRESS));
    }

    run();
}


void Isr_Init(void)
{
    rINTCON=0x5;	      //Non-vectored,IRQ enable,FIQ disable 
    rINTMOD=0x0;	      //All=IRQ mode
    rINTMSK=~( BIT_URXD0 | BIT_GLOBAL);	//Default value=0x7ffffff
//    rINTMSK=~( BIT_UERR01 | BIT_URXD0 | BIT_GLOBAL);	//Default value=0x7ffffff
    
    /*pISR_FIQ,pISR_IRQ must be initialized*/
    pISR_URXD0=(unsigned)Uart0_RxInt;
//    pISR_UERR01=(unsigned)Uerror;
}


void __irq Uart0_RxInt(void)
{
    rI_ISPC=BIT_URXD0 ;   //clear pending bits,Default value=0x0000000
    //rI_ISPC;		  //is needed only when cache=on & wrbuf=on & BSFRD=0
    *downPt++=RdURXH0();
}

void __irq Uerror(void)
{
    rI_ISPC=BIT_UERR01 ;   //clear pending bits,Default value=0x0000000
    err++;
//    Uart_Printf("UERSTAT=%x\n", rUERSTAT0);
}

void Display_4Gray160x240(void)
{
    int i,j;

    for(j=0;j<100;j++)
        for(i=2;i<10;i++)
        {
            frameBuffer4[j][i]=0x55aa55aa;
        }

    for(j=0;j<100;j++)
    {
        frameBuffer4[j][9]=0x5555ffff;
    }


    for(j=100;j<240;j++)
        for(i=2;i<10;i++)
            frameBuffer4[j][i]=0x0;
            
   
    for(i=2;i<10;i++)
        frameBuffer4[100][i]=0xffffffff;
    for(i=2;i<10;i++)
        frameBuffer4[0][i]=0xffffffff;
}

void Lcd_Init(void)
{
 
  Lcd_MonoInit();
  displaylcd();
  Lcd_16Init();
  Delay(3500);
  while(1)
  {
  clr16gray();
  display16samlogo();

  }
  Lcd_MonoInit();
  displaylcd();

}