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power.h(3avr) avr-libc power.h(3avr)

NAME

power.h

SYNOPSIS

Macros


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

Functions


static __inline void __attribute__ ((__always_inline__)) __power_all_enable()
void clock_prescale_set (clock_div_t __x)

Macro Definition Documentation

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

Gets and returns the clock prescaler register setting. The return type is clock_div_t.

Note

For device with XTAL Divide Control Register (XDIV), return can actually range from 1 to 129. Care should be taken has the return value could differ from the typedef enum clock_div_t. This should only happen if clock_prescale_set was previously called with a value other than those defined by clock_div_t.

Function Documentation

static __inline void __attribute__ ((__always_inline__)) [static]

Author

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Fri Jan 7 2022 Version 2.0.0