70 lines
2.4 KiB
C++
Executable file
70 lines
2.4 KiB
C++
Executable file
#include "Interrupt.h"
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#include <avr/power.h>
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#include <avr/sleep.h>
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void pinInterrupt() // here the interrupt is handled after wakeup
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{
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// execute code here after wake-up before returning to the loop() function
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// timers and code using timers (serial.print and more...) will not work here.
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// we don't really need to execute any special functions here, since we
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// just want the thing to wake up
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}
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void Interrupt::setupPinInterrupt(int pin)
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{
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}
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void Interrupt::setupTimerInterrupt(unsigned int milliseconds)
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{
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/*
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* The 5 different modes are:
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* SLEEP_MODE_IDLE -the least power savings
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* SLEEP_MODE_ADC
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* SLEEP_MODE_PWR_SAVE
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* SLEEP_MODE_STANDBY
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* SLEEP_MODE_PWR_DOWN -the most power savings
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*
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* For now, we want as much power savings as possible, so we
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* choose the according
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* sleep mode: SLEEP_MODE_PWR_DOWN
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*/
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set_sleep_mode(SLEEP_MODE_PWR_DOWN); // sleep mode is set here
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sleep_enable(); // enables the sleep bit in the mcucr register
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// so sleep is possible. just a safety pin
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/* Now it is time to enable an interrupt.
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* In the function call attachInterrupt(A, B, C)
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* A can be either 0 or 1 for interrupts on pin 2 or 3.
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* B Name of a function you want to execute at interrupt for A.
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* C Trigger mode of the interrupt pin. can be:
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* LOW a low level triggers
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* CHANGE a change in level triggers
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* RISING a rising edge of a level triggers
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* FALLING a falling edge of a level triggers
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*
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* In all but the IDLE sleep modes only LOW can be used.
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*/
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attachInterrupt(0,pinInterrupt, LOW);
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/*
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power_adc_disable();
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power_spi_disable();
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power_timer0_disable();
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power_timer1_disable();
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power_timer2_disable();
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power_twi_disable();
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*/
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sleep_mode(); // here the device is actually put to sleep!!
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// THE PROGRAM CONTINUES FROM HERE AFTER WAKING UP
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sleep_disable(); // first thing after waking from sleep:
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// disable sleep...
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detachInterrupt(0); // disables interrupt 0 on pin 2 so the
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// wakeUpNow code will not be executed
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// during normal running time.
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power_all_enable();
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}
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