main.c

三星S3C44B0X的一个DEMO代码,实现LCD显示时钟运行.

#include <string.h>
#include <stdio.h>
#include "option.h" 
#include "44b.h"
#include "44blib.h"
#include "def.h"

#include "lcd.h"
#include "lcdlib.h"

char Have_1S=0;

volatile char p_bmp = 0 ;
//*******************************
volatile unsigned int err=0;
void Isr_Init(void);
void __irq Uerror(void);
extern int Image$$RO$$Limit;
extern int Image$$RW$$Base;
//***************************************************************************
//不允许ATMEGA16产生复位44B0X的信号,开机要有复位电路
//***************************************************************************
void Main(void)
{
    //U16 j_temp;
    //U16 i_temp,jw,iw;
    //U8  ib,jb,kb,repeat_send_count;

    rSYSCFG=CACHECFG;	// Using 8KB Cache////8K字节cache，写缓冲使能，data abort使能
	Port_Init();  
	ChangePllValue( 0x34, 3, 1 );   		//晶振10MHz，修改系统主频为6倍频(60MHz)
	Beep(0x01000);

	Led_Display(1); //LOW 灯灭
    Beep_On();
    Delay(100);
    Beep_Off();
    Led_Display(0); //LOW 灯亮    
    //Sysloader_LoadFont1616(); //16*16 国标字库

    Uart_Init(0,UART_BAUD);

    //Rtc_Init();   //set rtc time
    Get_Rtc();

    Delay(100);
    Uart_Select(0); //Select UART0
	Uart_Printf("\n* RO_Limit=0x%8x",Image$$RO$$Limit);
	Uart_Printf("\n* RW_BASE =0x%8x",Image$$RW$$Base);
    Delay(100);   
  
	//rINTMSK=~BIT_GLOBAL;
	rNCACHBE0=( (0x2000000>>12)<<16 )|(0>>12); //flash area must be non-cachable area.
	rSYSCFG=rSYSCFG&(~0x8); //write buffer has to be off for proper timing.  

   // ProgramSST39LF160();
	//for(;;);

    Isr_Init();
    TimerInt();
 
   // Close_Machine();
   
    GLCD_LcdInit();
    GLCD_ClearScreen(0);
    Delay(1);
    set_menu();
    Delay(1);
    GLCD_ClearScreen(0);
    Display_Date();
    bool_start_count=1;
    rTCON=rTCON|1; //start T0 count
    
 while(1)
 {
   //0.display time.....
   if (display_time_arrive)
      {
       display_time_program();
      }

 }//while(1)

}//main

//*****************************************************************************


void Isr_Init(void)
{
	rI_ISPC=0x3ffffff ;   //clear pending bits,Default value=0x0000000//
	rINTCON=0x1;	      //vectored,IRQ enable,FIQ disable     //两种方式都可
	//rINTCON=0x5;	      //Non-vectored,IRQ enable,FIQ disable //两种方式都可

	rINTMOD=0x0;	      //All=IRQ mode//
    rEXTINT=0x11;         //EINT0/1 is high level mode 
    pISR_EINT0=(unsigned)Eint0RTL;
    pISR_EINT1=(unsigned)Eint1GPS;

    rINTMSK=~(BIT_GLOBAL|BIT_URXD0|BIT_TIMER0|BIT_TIMER1);
    //rINTMSK=~(BIT_GLOBAL|BIT_URXD0|BIT_TIMER0|BIT_TIMER1|BIT_EINT0);

    if (0)
      {
        pISR_TICK=(unsigned)Rtc_Tick;  //指定中断服务子程序
	    //rINTMSK=~(BIT_EINT0 | BIT_GLOBAL);	//Default value=0x7ffffff//
        rINTMSK=~(BIT_GLOBAL|BIT_TICK); 
        rTICINT = 127 + (1<<7);	//START COUNT SECOND
      }

}



void __irq Uerror(void)
{
	rI_ISPC=BIT_UERR01 ;   //clear pending bits,Default value=0x0000000//
	err++;
}