rcc/system_8h_source.html

#ifndef SYSTEM_H_

#define SYSTEM_H_


#ifndef SYSTEM_CLOCK

    #define SYSTEM_CLOCK CLKCTRL_CLKSEL_OSC20M_gc


    #ifndef SYSTEM_CLOCK_BIT

        #if SYSTEM_CLOCK == CLKCTRL_CLKSEL_OSC20M_gc

            #define SYSTEM_CLOCK_BIT CLKCTRL_OSC20MS_bm

        #elif SYSTEM_CLOCK == CLKCTRL_CLKSEL_OSCULP32K_gc

            #define SYSTEM_CLOCK_BIT CLKCTRL_OSC32KS_bm

        #elif SYSTEM_CLOCK == CLKCTRL_CLKSEL_EXTCLK_gc

            #define SYSTEM_CLOCK_BIT CLKCTRL_EXTS_bm

        #endif

    #endif

#endif


#ifndef SYSTEM_PER_CLOCK_PRESCALER

    #define SYSTEM_PER_CLOCK_PRESCALER CLKCTRL_PDIV_2X_gc

#endif


#include <avr/io.h>


void system_init(void);


#endif /* SYSTEM_H_ */

system_init
void system_init(void)
Initializes the system clock configuration of the microcontroller.
Definition system.c:45