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126 pfowler 1 
#ifndef avrutil_h
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#define avrutil_h
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#define sbi(sfr, bit)   ((sfr) |= _BV(bit))
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#define cbi(sfr, bit)   ((sfr) &= ~(_BV(bit)))
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#define xbi(sfr, bit)   ((sfr) ^= _BV(bit))
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#define rbi(sfr, bit)   (((sfr) >> (bit)) & 0x01)
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#define HIGH 1
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#define LOW 0
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#define OUTPUT 1
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#define INPUT 0
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#define ON 1
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#define OFF 0
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volatile uint32_t systime;
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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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void analogInit(void);
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uint8_t analogRead(uint8_t channel);
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typedef void (*tick_ptr)();
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void sysclockInit(void);
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inline void delay_ms(uint16_t count);
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void pulsePin(uint8_t port, uint8_t pin, uint16_t count);
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126 pfowler 26 
void swap_u8(uint8_t* a, uint8_t* b);
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void swap_u16(uint16_t* a, uint16_t* b);
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void statusLed(uint8_t state);
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123 pfowler 31 
#endif