adc_test.c

LPC2294 AD转换主程序设计

#define    LPCEB2000_I

/*********************************************************************************************
* File：	ADC_test.c
* Author:	Embest w.h.xie
* Desc：	A/D  test
* History:	
*********************************************************************************************/

/*------------------------------------------------------------------------------------------*/
/*								include files												*/
/*------------------------------------------------------------------------------------------*/

#include   "LPC_api.h"
#include   "target.h"


/*********************************************************************************************
* name:		Main
* func:		main fun
* para:		none
* ret:		none
* modify:
* comment:	
*********************************************************************************************/
int  Main(void)
{
	uint8  i, j;
	uint32 dly, unADCData;
	
	GPIO0_init();

	// PLL、MAM init
    SYS_Init(FOSC, FCCLK, VPBDIV4, USE_RAM, MAMAuto, NULL);
    
    led_init();
    szLedpoint |= 1 << 0;
    szLedpoint |= 1 << 4;
   
    dly = 0;

	do 
	{
		dly++;
		if (dly==100)
		{
			dly = 0;
		
			ADC_Init(ADCPort1);
			unADCData = ADC_GetREGValue_ADDR();

			// change (V)
			unADCData = unADCData * 3300 / 1024;
			for (i=4; i>0 ; i--) {
				j = unADCData % 10;
				szLedChr[i-1] = j;
				unADCData = unADCData / 10;
			}
			
			ADC_Init(ADCPort0);
			unADCData = ADC_GetREGValue_ADDR();

			// change (V)
			unADCData = unADCData * 3300 / 1024;
			for (i=4; i>0 ; i--) {
				j = unADCData % 10;
				szLedChr[i+3] = j;
				unADCData = unADCData / 10;
			}
		}
		
		led_brush();
		time_dly(1);
	} while(1);
}