#include "N76E003.h"
#include "SFR_Macro.h"
#include "Function_define.h"
#include "Common.h"
#include "Delay.h"
/* Needed for printf */
int putchar (int c) {
while (!TI);
TI = 0;
SBUF = c;
return c;
}
unsigned int ADC_read(void)
{
register unsigned int value = 0x0000;
clr_ADCF;
set_ADCS;
while(ADCF == 0);
value = ADCRH;
value <<= 4;
value |= ADCRL;
return value;
}
void main (void)
{
unsigned int ADCValue;
float fVoltage;
InitialUART0_Timer3(115200);
TI = 1;
/* Enable AIN0 pin for ADC read */
Enable_ADC_AIN0;
while(1)
{
ADCValue = ADC_read();
/* warning: considering 5v VDD and no calibration */
fVoltage = ((float) ADCValue * 5) / 4095;
printf_fast_f("\n Voltage: %.3f", fVoltage);
Timer0_Delay1ms(500);
}
}
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