Pins and ports

Macros
#define	LEDDDR   (DDRB)
	DDR register for LED pin.
#define	LEDPORTREG   (PORTB)
	PORT register for LED pin.
#define	LEDPINREG   (PINB)
	PIN register for LED pin.
#define	LEDPIN   (_BV(PORTB5))
	LED pin number.
#define	USDDR   (DDRC)
	DDR register for ultrasonic sensor.
#define	USPORTREG   (PORTC)
	PORT register for ultrasonic sensor.
#define	USPINREG   (PINC)
	PIN register for ultrasonic sensor.
#define	USPIN   (_BV(PORTC1))
	Data pin for ultrasonic sensor.
#define	MOTORDDR   (DDRD)
	DDR register for motors.
#define	MOTORPORT   (PORTD)
	PORT register for motors.
#define	MLEFTDIR   (_BV(PORTD4))
	Left motor direction pin.
#define	MLEFTPWM   (_BV(PORTD5))
	Left motor speed control.
#define	MRIGHTDIR   (_BV(PORTD7))
	Right motor direction pin.
#define	MRIGHTPWM   (_BV(PORTD6))
	Right motor speed control.
#define	MLEFTOCR   (OCR0A)
	Left motor OCR register.
#define	MRIGHTOCR   (OCR0B)
	Right motor OCR register.
#define	JOYDDR   (DDRB)
	DDR register for joystick.
#define	JOYPORT   (PORTB)
	PORT register for joystick.
#define	JOYPIN   (PINB)
	PIN register for joystick.
#define	PIN_LEFT   (_BV(PORTB1))
	Joystick left pin.
#define	PIN_RIGHT   (_BV(PORTB2))
	Joystick right pin.
#define	PIN_DOWN   (_BV(PORTB3))
	Joystick down (reverse) pin.
#define	PIN_UP   (_BV(PORTB4))
	Joystick up (forward) pin.

Detailed Description