avrora.sim.mcu
Class ATMegaFamily

java.lang.Object
  avrora.sim.mcu.ATMegaFamily

All Implemented Interfaces:

Microcontroller, MicrocontrollerProperties

Direct Known Subclasses:

ATMega128L

public abstract class ATMegaFamily

extends java.lang.Object

implements Microcontroller

Nested Class Summary

class	ATMegaFamily.FlagRegister
class	ATMegaFamily.MaskableInterrupt The MaskableInterrupt class represents an interrupt that is controlled by two bits in two registers: a mask bit in a mask register and a flag bit in a flag register, at the same offset.
class	ATMegaFamily.MaskRegister
protected class	ATMegaFamily.Pin The Pin class implements a model of a pin on the ATMegaFamily for the general purpose IO ports.

Field Summary

protected Clock	clock
int	EEPROM_SIZE
int	FLASH_SIZE
int	HZ The HZ field stores a public static final integer that represents the clockspeed of the AtMega128L microcontroller (7.327mhz).
protected BaseInterpreter	interpreter
int	IOREG_SIZE
int	NUM_PINS
protected Simulator.Printer	pinPrinter
protected ATMegaFamily.Pin[]	pins
protected Simulator	simulator
int	SRAM_SIZE

Constructor Summary

protected

ATMegaFamily(int hz, int sram_size, int ioreg_size, int flash_size, int eeprom_size, int num_pins)

Method Summary

double	cyclesToMillis(long cycles) The cyclesToMillis() method converts the specified number of cycles to a time quantity in milliseconds.
int	getEEPromSize() The getEEPromSize() method returns the size in bytes of the EEPROM on this hardware device.
int	getFlashSize() The getFlashSize() method returns the size in bytes of the flash memory on this hardware device.
int	getHz() The getHZ() method returns the number of cycles per second at which this hardware device is designed to run.
int	getIORegSize() The getIORegSize() method returns the number of IO registers that are present on this hardware device.
Microcontroller.Pin	getPin(int num) The getPin() method looks up the specified pin by its number and returns a reference to that pin.
int	getRamSize() The getRamSize() method returns the number of bytes of SRAM present on this hardware device.
long	millisToCycles(double ms) The millisToCycles() method converts the specified number of milliseconds to a cycle count.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface avrora.sim.mcu.Microcontroller

getMode, getModeName, getPin, getRadio, getSimulator, setRadio, sleep, wakeup

Methods inherited from interface avrora.sim.mcu.MicrocontrollerProperties

getPinNumber, isSupported

Field Detail

HZ

public final int HZ

The HZ field stores a public static final integer that represents the clockspeed of the AtMega128L microcontroller (7.327mhz).

SRAM_SIZE

public final int SRAM_SIZE

IOREG_SIZE

public final int IOREG_SIZE

FLASH_SIZE

public final int FLASH_SIZE

EEPROM_SIZE

public final int EEPROM_SIZE

NUM_PINS

public final int NUM_PINS

pinPrinter

protected Simulator.Printer pinPrinter

pins

protected final ATMegaFamily.Pin[] pins

clock

protected Clock clock

simulator

protected Simulator simulator

interpreter

protected BaseInterpreter interpreter

Constructor Detail

ATMegaFamily

protected ATMegaFamily(int hz,
                       int sram_size,
                       int ioreg_size,
                       int flash_size,
                       int eeprom_size,
                       int num_pins)

Method Detail

getRamSize

public int getRamSize()

The getRamSize() method returns the number of bytes of SRAM present on this hardware device.

Specified by:

getRamSize in interface MicrocontrollerProperties

Returns:

the number of bytes of SRAM on this hardware device

getIORegSize

public int getIORegSize()

The getIORegSize() method returns the number of IO registers that are present on this hardware device.

Specified by:

getIORegSize in interface MicrocontrollerProperties

Returns:

the number of IO registers supported on this hardware device

getFlashSize

public int getFlashSize()

The getFlashSize() method returns the size in bytes of the flash memory on this hardware device. The flash memory stores the initialized data and the machine code instructions of the program.

Specified by:

getFlashSize in interface MicrocontrollerProperties

Returns:

the size of the flash memory in bytes

getEEPromSize

public int getEEPromSize()

The getEEPromSize() method returns the size in bytes of the EEPROM on this hardware device.

Specified by:

getEEPromSize in interface MicrocontrollerProperties

Returns:

the size of the EEPROM in bytes

getHz

public int getHz()

The getHZ() method returns the number of cycles per second at which this hardware device is designed to run.

Specified by:

getHz in interface MicrocontrollerProperties

Returns:

the number of cycles per second on this device

millisToCycles

public long millisToCycles(double ms)

The millisToCycles() method converts the specified number of milliseconds to a cycle count. The conversion factor used is the number of cycles per second of this device. This method serves as a utility so that clients need not do repeated work in converting milliseconds to cycles and back.

Specified by:

millisToCycles in interface MicrocontrollerProperties

Parameters:

ms - a time quantity in milliseconds as a double

Returns:

the same time quantity in clock cycles, rounded up to the nearest integer

cyclesToMillis

public double cyclesToMillis(long cycles)

The cyclesToMillis() method converts the specified number of cycles to a time quantity in milliseconds. The conversion factor used is the number of cycles per second of this device. This method serves as a utility so that clients need not do repeated work in converting milliseconds to cycles and back.

Specified by:

cyclesToMillis in interface MicrocontrollerProperties

Parameters:

cycles - the number of cycles

Returns:

the same time quantity in milliseconds

getPin

public Microcontroller.Pin getPin(int num)

The getPin() method looks up the specified pin by its number and returns a reference to that pin. The intended users of this method are external device implementors which connect their devices to the microcontroller through the pins.

Specified by:

getPin in interface Microcontroller

Parameters:

num - the pin number to look up

Returns:

a reference to the Pin object corresponding to the named pin if it exists; null otherwise