В своем хидере пишу:
Код
#include <ioavr.h>
#ifdef TIMSK0
#define TIMSK TIMSK0
#endif
#if defined(SPMCSR)
#define SPM_CONTROL_REG SPMCSR
#elif defined(SPMCR)
#define SPM_CONTROL_REG SPMCR
#else
#error "SPM control register not defined"
#endif
#ifdef TIMSK0
#define TIMSK TIMSK0
#endif
#if defined(SPMCSR)
#define SPM_CONTROL_REG SPMCSR
#elif defined(SPMCR)
#define SPM_CONTROL_REG SPMCR
#else
#error "SPM control register not defined"
#endif
