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#ifndef AVREMU_PINOUT_H_
#define AVREMU_PINOUT_H_
#include <stdlib.h>
/* Increase these constants as needed. */
/* Maximum number of functions per pin. */
#define AVR_MAX_PIN_FUNCS 10
/* Maximum number of physical pins per device */
#define AVR_MAX_NR_PINS 28
/* The function of a physical pin on the device. */
enum avr_pinout_function {
PINOUT_NC = 0, /* Not connected */
PINOUT_VCC,
PINOUT_GND,
PINOUT_AVCC,
PINOUT_AREF,
PINOUT_PB0,
PINOUT_PB1,
PINOUT_PB2,
PINOUT_PB3,
PINOUT_PB4,
PINOUT_PB5,
PINOUT_PB6,
PINOUT_PB7,
PINOUT_PC0,
PINOUT_PC1,
PINOUT_PC2,
PINOUT_PC3,
PINOUT_PC4,
PINOUT_PC5,
PINOUT_PC6,
PINOUT_PD0,
PINOUT_PD1,
PINOUT_PD2,
PINOUT_PD3,
PINOUT_PD4,
PINOUT_PD5,
PINOUT_PD6,
PINOUT_PD7,
PINOUT_RESET,
PINOUT_RXD,
PINOUT_TXD,
PINOUT_INT0,
PINOUT_INT1,
PINOUT_T0,
PINOUT_TOSC1,
PINOUT_TOSC2,
PINOUT_T1,
PINOUT_AIN0,
PINOUT_AIN1,
PINOUT_ICP1,
PINOUT_ADC5,
PINOUT_ADC4,
PINOUT_ADC3,
PINOUT_ADC2,
PINOUT_ADC1,
PINOUT_ADC0,
PINOUT_SCK,
PINOUT_MISO,
PINOUT_MOSI,
PINOUT_SS,
PINOUT_OC1A,
PINOUT_PCINT0,
PINOUT_PCINT1,
PINOUT_PCINT2,
PINOUT_PCINT3,
PINOUT_PCINT4,
PINOUT_PCINT5,
PINOUT_PCINT6,
PINOUT_PCINT7,
PINOUT_PCINT8,
PINOUT_PCINT9,
PINOUT_PCINT10,
PINOUT_PCINT11,
PINOUT_PCINT12,
PINOUT_PCINT13,
PINOUT_PCINT14,
PINOUT_PCINT16,
PINOUT_PCINT17,
PINOUT_PCINT18,
PINOUT_PCINT19,
PINOUT_PCINT20,
PINOUT_PCINT21,
PINOUT_PCINT22,
PINOUT_PCINT23,
PINOUT_OC2B,
PINOUT_XCK,
PINOUT_XTAL1,
PINOUT_XTAL2,
PINOUT_OC0B,
PINOUT_OC0A,
PINOUT_CLKO,
PINOUT_SCL,
PINOUT_SDA,
PINOUT_OC2A,
PINOUT_OC1B,
PINOUT_OC2,
};
/* Data structure of a hardware pin. */
struct avr_hwpin {
/* The assigned pin number. */
unsigned int number;
/* The logical functions assigned to this pin. */
enum avr_pinout_function funcs[AVR_MAX_PIN_FUNCS];
};
/* Pinout definitions for a specific device. */
struct avr_device_pinout {
/* Array of pins. */
struct avr_hwpin *pins;
/* Number of pins on this device. */
size_t nr_pins;
};
extern struct avr_device_pinout atmega48_88_168_pinout;
extern struct avr_device_pinout atmega8_pinout;
int avr_get_pin_number(struct avr_device_pinout *pinout,
enum avr_pinout_function func);
typedef unsigned int (*pin_query_handler_t)(struct avr_hwpin *pin);
typedef void (*pin_change_handler_t)(struct avr_hwpin *pin, unsigned int state);
/* Dynamic handlers for a physical device pin. */
struct avr_device_pinout_handlers {
/* Handlers to query the state of a pin from inside of the device. */
pin_query_handler_t query_handlers[AVR_MAX_NR_PINS];
/* Handlers to set the state of a pin from inside of the device. */
pin_change_handler_t change_handlers[AVR_MAX_NR_PINS];
};
extern struct avr_device_pinout_handlers active_pinout_handlers;
#endif /* AVREMU_PINOUT_H_ */
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