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/* This is specific configuration for ATtiny85.
* This configuration also applies on ATtiny45 and ATtiny25.
*/
#include <avr/io.h>
// SPI USI
#define DDR_USI DDRB
#define DD_DI DDB0
#define DD_DO DDB1
#define DD_USCK DDB2
#define PORT_USI PORTB
#define PORT_DI PORTB0
#define PORT_DO PORTB1
#define PORT_USCK PORTB2
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