#ifndef _ANALOG_H #define _ANALOG_H #include #ifndef SIMULATOR #define REFERENCE_AREF 0 #define REFERENCE_AVCC 64 #if defined (__AVR_ATmega168__) || defined (__AVR_ATmega328__) || defined (__AVR_ATmega328P__) #define REFERENCE_1V1 192 #elif defined (__AVR_ATmega_644__) || defined (__AVR_ATmega644p__) #define REFERENCE_1V1 128 #define REFERENCE_2V56 192 #endif #include "config_wrapper.h" #ifndef REFERENCE #warning define REFERENCE as one of #if defined (__AVR_ATmega168__) || defined (__AVR_ATmega328__) || defined (__AVR_ATmega328P__) #warning REFERENCE_AREF, REFERENCE_AVCC or REFERENCE_1V1 #elif defined (__AVR_ATmega_644__) || defined (__AVR_ATmega644p__) #warning REFERENCE_AREF, REFERENCE_AVCC, REFERENCE_1V1 or REFERENCE_2V56 #endif #warning in your config.h #error REFERENCE undefined #endif #endif /* SIMULATOR */ void analog_init(void); uint16_t analog_read(uint8_t index); #endif /* _ANALOG_H */