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123 pfowler 1 
#include <avr/io.h>
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#include "avrutil.h"
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#include <util/delay.h>
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#include <stdlib.h>
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inline uint8_t map_8(uint8_t x, uint8_t in_min, uint8_t in_max, uint8_t out_min, uint8_t out_max) {
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	return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
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}
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inline void delay_ms(uint16_t count) {
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  while(count--)
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    _delay_ms(1);
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}
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void pulsePin(uint8_t port, uint8_t pin, uint16_t count) {
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  sbi(port, pin);
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  delay_ms(count);
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  cbi(port, pin);
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}
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uint8_t analogRead(uint8_t channel) {
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        ADMUX = (1<<ADLAR) | (1<<REFS0) | (0<<REFS1) | (channel & 0x0f);
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        ADCSRA |= (1<<ADSC);            // Start converting
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        while (((ADCSRA >> ADSC) & 1)) {}       //Wait until conversion finished
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        uint8_t result = ADCH;
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        //ADCSRA |= (0<<ADSC);          // Stop converting
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        return result;
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}
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void analogInit() {
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	ACSR |= (1<<ACD); // Disable analog comparator
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	/*
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        Setup ADC
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        ADMUX: 8 bit mode, Avcc ref
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        ADCSRA: Enable, 128 prescale
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	*/
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	ADMUX = (1<<ADLAR) | (0<<REFS0) | (1<<REFS1);
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	ADCSRA = (1<<ADEN) | (1<<ADPS2) | (1<<ADPS1) | (1<<ADPS0) ;
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}
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char* tick_addr;
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void sysclockInit(void) {
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	TIMSK0 = (1<<TOIE0);		// Eable timer overflow for Timer0
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	TCNT0 = 0x00;				// Set Timer0 to 0
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	TCCR0B = (1<< CS00) ;		// /1 prescaler
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	//tick_addr = func;
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}
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