73 lines
1.6 KiB
C
73 lines
1.6 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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#define RTC_PERIOD (511)
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#define DELAY_TIME 1000
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#include <avr/io.h>
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#include <avr/interrupt.h>
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#include <util/delay.h>
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#include <string.h>
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#include <stdbool.h>
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#define F_CPU 4E6
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#include <stdio.h>
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#include <stdlib.h>
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#include "uart.h"
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#include <util/delay.h>
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void sensor_init(void) {
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/* Disable digital input buffer */
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}
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void ADC0_init(void) {
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PORTD.PIN6CTRL &= ~PORT_ISC_gm;
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PORTD.PIN6CTRL |= PORT_ISC_INPUT_DISABLE_gc;
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PORTD.PIN6CTRL &= PORT_PULLUPEN_bm;
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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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/* 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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/* 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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if (ADC0.INTFLAGS && ADC_RESRDY_bm) {
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return true;
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} else {
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return false;
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}
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}
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int main() {
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sensor_init();
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ADC0_init();
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init_uart((uint16_t)9600);
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stdout = &USART_stream;
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while (1) {
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adcVal = ADC0_read();
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VREF.ADC0REF = VREF_REFSEL_VDD_gc;
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printf("The values: \n%u , %u\n",VREF_REFSEL_VDD_gc , adcVal);
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}
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} |