board.h

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#ifndef XMEGA_A1_XPLAINED_H_
#define XMEGA_A1_XPLAINED_H_

/****** General-purpose input/output ******/
#define GPIO_LOW_PORT PORTD
#define GPIO_HIGH_PORT PORTR
#define GPIO_LOW_PINS_gp 0
#define GPIO_LOW_PINS_gm 0x3F
#define GPIO_HIGH_PINS_gp 6
#define GPIO_HIGH_PINS_gm 0xC0

#define GPIO_PIN0_bp PIN0_bp
#define GPIO_PIN1_bp PIN1_bp
#define GPIO_PIN2_bp PIN2_bp
#define GPIO_PIN3_bp PIN3_bp
#define GPIO_PIN4_bp PIN4_bp
#define GPIO_PIN5_bp PIN5_bp
#define GPIO_PIN6_bp PIN0_bp
#define GPIO_PIN7_bp PIN1_bp

#define GPIO_PIN0_bm PIN0_bm
#define GPIO_PIN1_bm PIN1_bm
#define GPIO_PIN2_bm PIN2_bm
#define GPIO_PIN3_bm PIN3_bm
#define GPIO_PIN4_bm PIN4_bm
#define GPIO_PIN5_bm PIN5_bm
#define GPIO_PIN6_bm PIN0_bm
#define GPIO_PIN7_bm PIN1_bm

#define GPIO_PIN0CTRL GPIO_LOW_PORT.PIN0CTRL
#define GPIO_PIN1CTRL GPIO_LOW_PORT.PIN1CTRL
#define GPIO_PIN2CTRL GPIO_LOW_PORT.PIN2CTRL
#define GPIO_PIN3CTRL GPIO_LOW_PORT.PIN3CTRL
#define GPIO_PIN4CTRL GPIO_LOW_PORT.PIN4CTRL
#define GPIO_PIN5CTRL GPIO_LOW_PORT.PIN5CTRL
#define GPIO_PIN6CTRL GPIO_HIGH_PORT.PIN0CTRL
#define GPIO_PIN7CTRL GPIO_HIGH_PORT.PIN1CTRL

#define GPIO_READ() ((GPIO_LOW_PORT.IN & GPIO_LOW_PINS_gm) | ((GPIO_HIGH_PORT.IN << GPIO_HIGH_PINS_gp) & GPIO_HIGH_PINS_gm))

#define GPIO_WRITE(VAL) GPIO_LOW_PORT.OUT = (VAL) & GPIO_LOW_PINS_gm; GPIO_HIGH_PORT.OUT = (((VAL) & GPIO_HIGH_PINS_gm) >> GPIO_HIGH_PINS_gp);

/****** Active low LEDs ******/
#define LED_PORT PORTE
#define LED_PINS_gp 0
#define LED_PINS_gm 0xFF

#define LED0_PIN_bp PIN0_bp
#define LED1_PIN_bp PIN1_bp
#define LED2_PIN_bp PIN2_bp
#define LED3_PIN_bp PIN3_bp
#define LED4_PIN_bp PIN4_bp
#define LED5_PIN_bp PIN5_bp
#define LED6_PIN_bp PIN6_bp
#define LED7_PIN_bp PIN7_bp

#define LED0_PIN_bm PIN0_bm
#define LED1_PIN_bm PIN1_bm
#define LED2_PIN_bm PIN2_bm
#define LED3_PIN_bm PIN3_bm
#define LED4_PIN_bm PIN4_bm
#define LED5_PIN_bm PIN5_bm
#define LED6_PIN_bm PIN6_bm
#define LED7_PIN_bm PIN7_bm

/****** Active low push buttons ******/
#define BUTTON_LOW_PORT PORTD
#define BUTTON_HIGH_PORT PORTR
#define BUTTON_LOW_PINS_gp 0
#define BUTTON_LOW_PINS_gm 0x3F
#define BUTTON_HIGH_PINS_gp 6
#define BUTTON_HIGH_PINS_gm 0xC0

#define BUTTON0_PIN_bp PIN0_bp
#define BUTTON1_PIN_bp PIN1_bp
#define BUTTON2_PIN_bp PIN2_bp
#define BUTTON3_PIN_bp PIN3_bp
#define BUTTON4_PIN_bp PIN4_bp
#define BUTTON5_PIN_bp PIN5_bp
#define BUTTON6_PIN_bp PIN0_bp
#define BUTTON7_PIN_bp PIN1_bp

#define BUTTON0_PIN_bm PIN0_bm
#define BUTTON1_PIN_bm PIN1_bm
#define BUTTON2_PIN_bm PIN2_bm
#define BUTTON3_PIN_bm PIN3_bm
#define BUTTON4_PIN_bm PIN4_bm
#define BUTTON5_PIN_bm PIN5_bm
#define BUTTON6_PIN_bm PIN0_bm
#define BUTTON7_PIN_bm PIN1_bm

#define BUTTON0_PINCTRL BUTTON_LOW_PORT.PIN0CTRL
#define BUTTON1_PINCTRL BUTTON_LOW_PORT.PIN1CTRL
#define BUTTON2_PINCTRL BUTTON_LOW_PORT.PIN2CTRL
#define BUTTON3_PINCTRL BUTTON_LOW_PORT.PIN3CTRL
#define BUTTON4_PINCTRL BUTTON_LOW_PORT.PIN4CTRL
#define BUTTON5_PINCTRL BUTTON_LOW_PORT.PIN5CTRL
#define BUTTON6_PINCTRL BUTTON_HIGH_PORT.PIN0CTRL
#define BUTTON7_PINCTRL BUTTON_HIGH_PORT.PIN1CTRL

#define BUTTONS_READ() ((BUTTON_LOW_PORT.IN & BUTTON_LOW_PINS_gm) | ((BUTTON_HIGH_PORT.IN << BUTTON_HIGH_PINS_gp) & BUTTON_HIGH_PINS_gm))

#define BUTTON_PRESSED(BUTTON) (!(BUTTONS_READ() & (1 << BUTTON)))

/****** USART-to-USB gateway ******/
#define USART0_RX_PIN_bm PIN2_bm
#define USART0_TX_PIN_bm PIN3_bm
#define USART1_RX_PIN_bm PIN6_bm
#define USART1_TX_PIN_bm PIN7_bm

#define USB_USART_PORT PORTC
#define USB_USART_MODULE USARTC0
#define USB_USART_RX_PIN_bm USART0_RX_PIN_bm
#define USB_USART_TX_PIN_bm USART0_TX_PIN_bm
#define USB_USART_RXC_vect USARTC0_RXC_vect
#define USB_USART_DRE_vect USARTC0_DRE_vect

#define USB_USART_BSEL 11
#define USB_USART_BSCALE (-7)
#define USB_USART_CONFIG (USART_CHSIZE_8BIT_gc | USART_PMODE_DISABLED_gc)

#define USB_USART_SPEED 115200

/****** Sensors ******/
#define SENSOR_PORT PORTB
#define SENSOR_ADC_MODULE ADCB

/****** Light sensor ******/
#define LIGHT_SENSOR_SIGNAL_PIN_bp PIN1_bp
#define LIGHT_SENSOR_SIGNAL_PIN_bm PIN1_bm
#define LIGHT_SENSOR_ADC_INPUT ADC_CH_MUXPOS_PIN1_gc

/****** Temperature sensor ******/
#define TEMPERATURE_SENSOR_SIGNAL_PIN_bp PIN0_bp
#define TEMPERATURE_SENSOR_SIGNAL_PIN_bm PIN0_bm
#define TEMPERATURE_SENSOR_ENABLE_PIN_bp PIN3_bp
#define TEMPERATURE_SENSOR_ENABLE_PIN_bm PIN3_bm
#define TEMPERATURE_SENSOR_ADC_INPUT ADC_CH_MUXPOS_PIN0_gc

/****** Speaker ******/
#define SPEAKER_SIGNAL_PORT PORTB
#define SPEAKER_SIGNAL_PIN_bp PIN2_bp
#define SPEAKER_SIGNAL_PIN_bm PIN2_bm
#define SPEAKER_SHUTDOWN_PORT PORTQ
#define SPEAKER_SHUTDOWN_PIN_bp PIN3_bp
#define SPEAKER_SHUTDOWN_PIN_bm PIN3_bm
#define SPEAKER_DAC_MODULE DACB
#define SPEAKER_DAC_CHANNEL 0

/****** Internal oscillator ******/
#define OSC_INTERNAL_2HZ 2000000L
#define OSC_INTERNAL_32HZ 32000000L

/****** Default oscillator ******/
#define OSC_DEFAULT_HZ OSC_INTERNAL_2HZ

/****** F_CPU ******/
#ifndef F_CPU
#define F_CPU OSC_INTERNAL_2HZ
#warning "F_CPU initialized with default value"
#endif

#endif /* XMEGA_A1_XPLAINED_H_ */