jens
a794460fdc
git-svn-id: http://moon:8086/svn/projects/HendiControl@21 fda53097-d464-4ada-af97-ba876c37ca34
28 lines
410 B
C
28 lines
410 B
C
/*
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* adc.c
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*
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* Created: 20.02.2019 20:46:32
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* Author: jens
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*/
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#include <avr/io.h>
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#include "adc.h"
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void adc_init()
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{
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PRR &= ~(1 << PRADC);
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ADCSRA |= (1 << ADEN) | 7;
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}
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void adc_start_conversion(int ch)
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{
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ADMUX = (ADMUX & 0xF0) | (ch & 0x0F) | (1 << REFS0);
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ADCSRA |= (1 << ADSC) | (1 << ADIE);
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}
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int adc_is_fininshed()
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{
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return (int)(0 == (ADCSRA & (1 << ADSC)));
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}
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