Sun Microsystems V2.0 用户手册

Contents

Introduction .................................................................................................................................... 5
Building and deploying Sun SPOT applications .............................................................................. 6

Deploying and running a sample application ................................................................................................ 6

Deploying a pre-existing jar .................................................................................................................................... 12

Incorporating utility classes into your application .................................................................................................. 12

Excluding files from the compilation ...................................................................................................................... 13

Manifest and resources................................................................................................................................ 13

Other user properties ............................................................................................................................................... 13

Built-in properties ................................................................................................................................................... 14

Using the Basestation .................................................................................................................................. 14

Overview ................................................................................................................................................................. 14

Set up ...................................................................................................................................................................... 15

Base Station configuration ...................................................................................................................................... 16

Remote operation ........................................................................................................................................ 16

Introduction ............................................................................................................................................................. 16

Ensure that the remote Sun SPOT is executing the OTA Command Server ........................................................... 16

Connect a Sun SPOT base station ........................................................................................................................... 17

Launch the spot client to control a remote Sun SPOT via the base station ............................................................. 17

Using short names for SPOTs ................................................................................................................................. 18

Take suitable actions during over-the-air downloads.............................................................................................. 18

Managing keys and sharing Sun SPOTs ..................................................................................................... 18

Background ............................................................................................................................................................. 18

Changing the owner of a Sun SPOT ....................................................................................................................... 19

Sharing Sun SPOTs................................................................................................................................................. 19

What is protected?................................................................................................................................................... 20

Generating a new key-pair ...................................................................................................................................... 20

Limitations .............................................................................................................................................................. 20

Deploying and running a host application................................................................................................... 20

Example .................................................................................................................................................................. 20

Your own host application ...................................................................................................................................... 21

Incorporating pre-existing jars into your host application....................................................................................... 21

Configuring network features...................................................................................................................... 21

Mesh routing ........................................................................................................................................................... 21

Trace route .............................................................................................................................................................. 22

Logging ................................................................................................................................................................... 22

Hardware configurations and USB power .................................................................................................. 22

Developing and debugging Sun SPOT applications ....................................................................... 24

Overview of an application ......................................................................................................................... 24

Threads........................................................................................................................................................ 24

Thread priorities ...................................................................................................................................................... 24

The Sun SPOT device libraries ................................................................................................................... 25

Introduction ............................................................................................................................................................. 25

Sun SPOT device library......................................................................................................................................... 25

Persistent properties ................................................................................................................................................ 26

Overriding the IEEE address................................................................................................................................... 27

Accessing flash memory ......................................................................................................................................... 27

Using input and output streams over the USB and USART connections................................................................ 28

The radio communication library................................................................................................................ 29

Radio properties ...................................................................................................................................................... 35

Monitoring radio activity ........................................................................................................................................ 37

Conserving power using deep sleep mode .................................................................................................. 37

Shallow Sleep.......................................................................................................................................................... 37

Deep Sleep .............................................................................................................................................................. 38

Activating deep sleep mode .................................................................................................................................... 38

USB inhibits deep sleep .......................................................................................................................................... 39

Preconditions for deep sleeping .............................................................................................................................. 39

Deep sleep behaviour of the standard drivers.......................................................................................................... 39

The deep sleep/wake up sequence........................................................................................................................... 39