common/avr/suspend_avr.h

   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