main.c

来自「ARM AD接口实验的例子」· C语言 代码 · 共 99 行

//#include"../ucos-ii/includes.h"               /* uC/OS interface */
//#include "../ucos-ii/add/osaddition.h"
#include "../inc/drivers.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include "../inc/lib.h"
//#include "../src/gui/gui.h"
#include <string.h>
#include <stdio.h>
#include "../inc/reg2410.h"
#include "../inc/serial.h"
//#include "../inc/io.h"
#include "../inc/lib.h"
#include "inc/bitfield.h"

/* Externl clock frequency used by CPU */
#define FIN	12000000


#pragma import(__use_no_semihosting_swi)  // ensure no functions that use semihosting 
#define ADCCON_FLAG		(0x1<<15)

#define ADCCON_ENABLE_START_BYREAD	(0x1<<1)

#define rADCCON		(*(volatile unsigned *)0x58000000)
#define rADCCON		(*(volatile unsigned *)0x58000000)
#define rADCDAT0	(*(volatile unsigned *)0x5800000C)
#define PRSCVL (49<<6)
#define ADCCON_ENABLE_START (0x1)
#define STDBM (0x0<<2)
#define PRSCEN (0x1<<14)

void  ARMTargetInit();

void init_ADdevice()
{//初始化
	
	
	rADCCON=(PRSCVL|ADCCON_ENABLE_START|STDBM|PRSCEN);
}

int GetADresult(int channel)
{   
	
	
	  rADCCON=ADCCON_ENABLE_START_BYREAD|(channel<<3)|PRSCEN|PRSCVL;
	
	hudelay(10);
	while(!(rADCCON&ADCCON_FLAG));//转换结束
	
	return (0x3ff&rADCDAT0);//返回采样值
	
}

int main(void)
{
	int i,j=0,k=0,l=0,m=0,n=0;
	int d;
	int a[1023];
    ARMTargetInit();        // do target (uHAL based ARM system) initialisation //
	init_ADdevice();
	//printf("\n");
	Uart_Printf(0,"\n");
	s3c2410_get_cpu_clk();
   while(1)
	{
		for(l=6;l<=100;l++)
		{
		
			d=GetADresult(1); // 数据 采集，处理
			k=a[d];
			k=k+1;
			a[d]=k;
            Uart_Printf(0,"a%d=%d\t",0,d);
			hudelay(1000);
		}
		a[0]=a[0]++;
		for(m=0;m<=1023;m++)
		{
		
		n=a[m];
		if(a[m]!=0)
		{
		Uart_Printf(0,"a%d=%d\t",m,n);
		 Uart_Printf(0,"\r");
		a[m]=0;
		}
		}
	}

	return 0;
}