// +build avr,atmega328p arduino arduino_nano package machine const ( // Note: start at port B because there is no port A. portB Pin = iota * 8 portC portD ) const ( PB0 = portB + 0 PB1 = portB + 1 PB2 = portB + 2 PB3 = portB + 3 PB4 = portB + 4 PB5 = portB + 5 PB6 = portB + 6 PB7 = portB + 7 PC0 = portC + 0 PC1 = portC + 1 PC2 = portC + 2 PC3 = portC + 3 PC4 = portC + 4 PC5 = portC + 5 PC6 = portC + 6 PC7 = portC + 7 PD0 = portD + 0 PD1 = portD + 1 PD2 = portD + 2 PD3 = portD + 3 PD4 = portD + 4 PD5 = portD + 5 PD6 = portD + 6 PD7 = portD + 7 )