ATtiny85 Interrupt code

[6v6gt]

An edge trigger interrupt will not wake an ATtiny85 from sleep mode. You need a level change interrupt instead.

This is where an ATtiny85 differs from an ATmega328p etc.

See this and many more:

ATTINY85 / external inerrupt INT0 / RISING

Hallo, I'm trying for days to get ATTINY85 external interrupt on rising edge working. I've looked around very extendly and read the datsheet carefully. But the code doesn't work. Here it is: #include <avr/sleep.h> #include <avr/wdt.h> /* macros sbi(): a macro to set the bit(the second argument) of the address(the first argument) to 1. */ #ifndef cbi #define cbi(sfr, bit) (_SFR_BYTE(sfr) &= -_BV(bit)) #endif #ifndef sbi #define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit)) #endif vola…