[jackhill/qmk/firmware.git] / tmk_core / common / avr / suspend_avr.h

#ifndef SUSPEND_AVR_H
#define SUSPEND_AVR_H

#include <stdint.h>
#include <stdbool.h>
#include <avr/sleep.h>
#include <avr/wdt.h>
#include <avr/interrupt.h>


#define wdt_intr_enable(value)   \
__asm__ __volatile__ (  \
    "in __tmp_reg__,__SREG__" "\n\t"    \
    "cli" "\n\t"    \
    "wdr" "\n\t"    \
    "sts %0,%1" "\n\t"  \
    "out __SREG__,__tmp_reg__" "\n\t"   \
    "sts %0,%2" "\n\t" \
    : /* no outputs */  \
    : "M" (_SFR_MEM_ADDR(_WD_CONTROL_REG)), \
    "r" (_BV(_WD_CHANGE_BIT) | _BV(WDE)), \
    "r" ((uint8_t) ((value & 0x08 ? _WD_PS3_MASK : 0x00) | \
        _BV(WDIE) | (value & 0x07)) ) \
    : "r0"  \
)

#endif
Commit	Line	Data
a074364c	1	#ifndef SUSPEND_AVR_H
	2	#define SUSPEND_AVR_H
	3
	4	#include <stdint.h>
	5	#include <stdbool.h>
	6	#include <avr/sleep.h>
	7	#include <avr/wdt.h>
	8	#include <avr/interrupt.h>
	9
	10
	11	#define wdt_intr_enable(value) \
	12	__asm__ __volatile__ ( \
	13	"in __tmp_reg__,__SREG__" "\n\t" \
	14	"cli" "\n\t" \
	15	"wdr" "\n\t" \
	16	"sts %0,%1" "\n\t" \
	17	"out __SREG__,__tmp_reg__" "\n\t" \
	18	"sts %0,%2" "\n\t" \
	19	: /* no outputs */ \
	20	: "M" (_SFR_MEM_ADDR(_WD_CONTROL_REG)), \
	21	"r" (_BV(_WD_CHANGE_BIT) \| _BV(WDE)), \
	22	"r" ((uint8_t) ((value & 0x08 ? _WD_PS3_MASK : 0x00) \| \
	23	_BV(WDIE) \| (value & 0x07)) ) \
	24	: "r0" \
	25	)
	26
	27	#endif