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path: root/tmk_core/common/avr/suspend_avr.h
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#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>

// clang-format off
#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"  \
)
// clang-format on

#endif