electronicload

#define DDR_SHUNT_EN2       DDRB
#define PORT_SHUNT_EN2      PORTB
#define BIT_SHUNT_EN2       PB1

#define DDR_SHUNT_EN1       DDRB
#define PORT_SHUNT_EN1      PORTB
#define BIT_SHUNT_EN1       PB0

#define DDR_SHUNT_SEL       DDRD
#define PORT_SHUNT_SEL      PORTD
#define BIT_SHUNT_SEL       PD7

#define DDR_MODE_A          DDRD
#define PORT_MODE_A         PORTD
#define BIT_MODE_A          PD4

#define DDR_MODE_B          DDRD
#define PORT_MODE_B         PORTD
#define BIT_MODE_B          PD3

#define DDR_ANALOG_MUX      DDRD
#define PORT_ANALOG_MUX     PORTD
#define BIT_ANALOG_MUX      PD2

#define DDR_GPIO3           DDRD
#define PORT_GPIO3          PORTD
#define BIT_GPIO3           PD5