#define ADC_VREF_TYPE 0x20
// Read the 8 most significant bits
// of the AD conversion result
unsigned char read_adc(unsigned char adc_input)
{
ADMUX=adc_input|ADC_VREF_TYPE;
// Start the AD conversion
ADCSRA|=0x40;
// Wait for the AD conversion to complete
while ((ADCSRA & 0x10)==0);
ADCSRA|=0x10;
return ADCH;
}
#asm
.equ __lcd_port=0x15 ;PORTC
#endasm
// Declare your global variables here
unsigned char i,v;
char str[16];
void main(void)
{
// Declare your local variables here
//float flt;
// ADC initialization
// ADC Clock frequency: 125.000 kHz
// ADC Voltage Reference: AREF pin
// Only the 8 most significant bits of
// the AD conversion result are used
ADMUX=ADC_VREF_TYPE;
ADCSRA=0x86;
// LCD module initialization
lcd_init(16);
ADCSRA=0xFF;
while (1)
{
i=read_adc(1);
//delay_ms(10);
v=read_adc(0);
lcd_gotoxy(0,0);
sprintf(str,"I=%d V=%d",i,v);
lcd_clear();
lcd_puts(str);
delay_ms(10);
};
}
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