main.c

ARM的AD转换程序源码,有学习嵌入式ARM的编程有一定好处,希望能够对一些人有用

#include "option.h"
#include "def.h"
#include "44b.h"
#include "44blib.h"
#include "adc.h"
void Isr_Init(void);
void HaltUndef(void);
void HaltSwi(void);
void HaltPabort(void);      
void HaltDabort(void);
void * function[][2]=
{
	(void *)Test_Adc,		"ADC test ",
//	(void *)Test_DMA_Adc,	"DMA Adc test",
	0,0
};



void Main(void)
{
    U8 which_key;		
char aa;
	int i;
    rSYSCFG=SYSCFG_8KB;
#if (PLLON==1)
    ChangePllValue(PLL_M,PLL_P,PLL_S);
#endif

    Isr_Init();
    Port_Init();
    Uart_Init(0,115200);
    Uart_Select(0);
     Uart_Printf("\n*                            杭州莱顿电子                               *");
	Uart_Printf("\n*                     -S3C44B0X功能部件:AD实验测试-                      *");
	Uart_Printf("\n*                            Version 1.1                                 *");    
	Uart_Printf("\n*                        Email:[e-mail]                            *");
	Uart_Printf("\n*             UART Config--COM:115.2kbps,8Bit,NP,UART0                   *");
	Uart_Printf("\n*------------------Begin to Start AD实验测试,OK? (Y/N)-------------------*");
Uart_Printf("\n");
    aa= Uart_Getch();
	if((aa=='Y')||(aa=='y'))
	
	
	while(1)
	{
			i=0;
			Uart_Printf("\n");
			while(1)
			{   //display menu
				Uart_Printf("%2d:%s",i+1,function[i][1]);
				i++;
				if((int)(function[i][0])==0)
				{
					Uart_Printf("\n");
					break;
				}
				if((i%4)==0)
					Uart_Printf("\n");
			}
			Uart_Printf("\nSelect the function to test?");
			i=Uart_GetIntNum();
			i--;
			Uart_Printf("\n");
			if(i>=0 && (i<(sizeof(function)/8)) ) 
				( (void (*)(void)) (function[i][0]) )();
	}
	
   }

void Isr_Init(void)
{
    U32 i;
    
    pISR_UNDEF=(unsigned)HaltUndef;
    pISR_SWI  =(unsigned)HaltSwi;
    pISR_PABORT=(unsigned)HaltPabort;
    pISR_DABORT=(unsigned)HaltDabort;
    
     for(i=_RAM_STARTADDRESS;i<(_RAM_STARTADDRESS+0x20);i+=4)
    {
	*((volatile unsigned *)i)=0xEA000000+0x1FFE;
    }

    rINTCON=0x5;	  // Non-vectored,IRQ enable,FIQ disable    

    rINTMOD=0x0;	  // All=IRQ mode
    rINTMSK|=BIT_GLOBAL|BIT_EINT3;	  // All interrupt is masked.
}


void HaltUndef(void)
{
    Uart_Printf("Undefined instruction exception!!!\n");
    while(1);
}

void HaltSwi(void)
{
    Uart_Printf("SWI exception!!!\n");
    while(1);
}

void HaltPabort(void)
{
    Uart_Printf("Pabort exception!!!\n");
    while(1);
}

void HaltDabort(void)
{
    Uart_Printf("Dabort exception!!!\n");
    while(1);
}