power.h

Langue: en

Autres versions - même langue

Version: 166011 (fedora - 05/07/09)

Section: 3 (Bibliothèques de fonctions)

Sommaire

NAME

power.h -

SYNOPSIS


Defines


#define _AVR_POWER_H_ 1

#define clock_prescale_set(x)

#define clock_prescale_get() (clock_div_t)(CLKPR & (uint8_t)((1<<CLKPS0)|(1<<CLKPS1)|(1<<CLKPS2)|(1<<CLKPS3)))

Enumerations


enum clock_div_t { clock_div_1 = 0, clock_div_2 = 1, clock_div_4 = 2, clock_div_8 = 3, clock_div_16 = 4, clock_div_32 = 5, clock_div_64 = 6, clock_div_128 = 7, clock_div_256 = 8 }

Detailed Description

Define Documentation

#define clock_prescale_set(x)

Value:

 {         uint8_t tmp = _BV(CLKPCE);         __asm__ __volatile__ (                 'in __tmp_reg__,__SREG__' 't'                 'cli' 't'                 'sts %1, %0' 't'                 'sts %1, %2' 't'                 'out __SREG__, __tmp_reg__'                 : /* no outputs */                 : 'd' (tmp),                   'M' (_SFR_MEM_ADDR(CLKPR)),                   'd' (x)                 : 'r0'); }

Author

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