62 lines
1.1 KiB
C
62 lines
1.1 KiB
C
/*
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* File: main.c
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* Author: Sebastian H. Gabrielli
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*
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* Created on March 6, 2024, 12:34 PM
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*/
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#include "header.h"
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uint16_t adcVal;
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uint16_t internalVal;
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void sensor_init(void)
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{
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PORTB.DIRSET = PIN0_bm;
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PORTB.DIRSET = PIN1_bm;
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}
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void ADC0_init(void)
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{
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ADC0.CTRLC = ADC_PRESC_DIV4_gc;
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VREF.ADC0REF = VREF_REFSEL_VDD_gc; /* Internal reference */
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ADC0.CTRLA = ADC_ENABLE_bm /* ADC Enable: enabled */
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| ADC_RESSEL_10BIT_gc; /* 10-bit mode */
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/* Select ADC channel */
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ADC0.MUXPOS = ADC_MUXPOS_AIN6_gc;
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}
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uint16_t ADC0_read(void)
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{
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/* Start ADC conversion */
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ADC0.COMMAND = ADC_STCONV_bm;
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/* Wait until ADC conversion done */
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while ( !(ADC0.INTFLAGS & ADC_RESRDY_bm) )
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{
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;
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}
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/* Clear the interrupt flag by writing 1: */
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ADC0.INTFLAGS = ADC_RESRDY_bm;
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return ADC0.RES;
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}
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bool ADC0_conversationDone(void)
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{
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return (ADC0.INTFLAGS & ADC_RESRDY_bm);
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}
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int main(void)
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{ sensor_init();
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ADC0_init();
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while (1)
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{
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if (ADC0_conversionDone())
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{
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adcVal = ADC0_read();
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}
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internalVal = VREF.ADC0REF;
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}
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}
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