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#include <avr/io.h>
#include "avrutil.h"
#include <util/delay.h>
#include <stdlib.h>
inline uint8_t map_8(uint8_t x, uint8_t in_min, uint8_t in_max, uint8_t out_min, uint8_t out_max) {
return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
}
uint8_t analogRead(uint8_t channel) {
ADMUX = (1<<ADLAR) | (1<<REFS0) | (0<<REFS1) | (channel & 0x0f);
ADCSRA |= (1<<ADSC); // Start converting
while (((ADCSRA >> ADSC) & 1)) {} //Wait until conversion finished
uint8_t result = ADCH;
//ADCSRA |= (0<<ADSC); // Stop converting
return result;
}
void analogInit() {
ACSR |= (1<<ACD); // Disable analog comparator
/*
Setup ADC
ADMUX: 8 bit mode, Avcc ref
ADCSRA: Enable, 128 prescale
*/
ADMUX = (1<<ADLAR) | (0<<REFS0) | (1<<REFS1);
ADCSRA = (1<<ADEN) | (1<<ADPS2) | (1<<ADPS1) | (1<<ADPS0) ;
}
char* tick_addr;
void sysclockInit(void) {
TIMSK0 = (1<<TOIE0); // Eable timer overflow for Timer0
TCNT0 = 0x00; // Set Timer0 to 0
TCCR0B = (1<< CS00) ; // /1 prescaler
//tick_addr = func;
}