avrora.sim.mcu
Class SPI

java.lang.Object
  avrora.sim.mcu.AtmelInternalDevice
      avrora.sim.mcu.SPI

All Implemented Interfaces:

InterruptTable.Notification, SPIDevice

public class SPI

extends AtmelInternalDevice

implements SPIDevice, InterruptTable.Notification

Serial Peripheral Interface. Used on the Mica2 platform for radio communication.

Nested Class Summary

static class	SPI.Frame A single byte data frame for the SPI.
protected class	SPI.SPCRReg SPI control register.
protected class	SPI.TransmitReceive The SPI transfer event.

Field Summary

static SPI.Frame	FF_FRAME
protected int	period
static SPI.Frame	ZERO_FRAME

Fields inherited from class avrora.sim.mcu.AtmelInternalDevice

devicePrinter, interpreter, mainClock, microcontroller, name, simulator

Constructor Summary

SPI(AtmelMicrocontroller m)

Method Summary

void	connect(SPIDevice d) The connect() method connects this SPI device to the specified SPIDevice.
void	force(int inum)
void	invoke(int inum)
static SPI.Frame	newFrame(byte data)
void	receiveFrame(SPI.Frame frame) Receive a frame.
SPI.Frame	transmitFrame() Transmit a frame from this device.

Methods inherited from class avrora.sim.mcu.AtmelInternalDevice

getClock, getIORegs, installIOReg, read16, write16

Methods inherited from class java.lang.Object

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

Field Detail

period

protected int period

ZERO_FRAME

public static final SPI.Frame ZERO_FRAME

FF_FRAME

public static final SPI.Frame FF_FRAME

Constructor Detail

SPI

public SPI(AtmelMicrocontroller m)

Method Detail

newFrame

public static SPI.Frame newFrame(byte data)

connect

public void connect(SPIDevice d)

Description copied from interface: SPIDevice

The connect() method connects this SPI device to the specified SPIDevice.

Specified by:

connect in interface SPIDevice

Parameters:

d - the device to connect to.

receiveFrame

public void receiveFrame(SPI.Frame frame)

Description copied from interface: SPIDevice

Receive a frame.

Specified by:

receiveFrame in interface SPIDevice

Parameters:

frame - the frame to be received

transmitFrame

public SPI.Frame transmitFrame()

Description copied from interface: SPIDevice

Transmit a frame from this device.

Specified by:

transmitFrame in interface SPIDevice

Returns:

the frame for transmission

force

public void force(int inum)

Specified by:

force in interface InterruptTable.Notification

invoke

public void invoke(int inum)

Specified by:

invoke in interface InterruptTable.Notification