DSS and data flow.
Music Player
DSS:MP3Broadcaster
streaming
play back
WiFi broadcast
Media request
play back
Media request
WiFi broadcast
streaming
Media request
WiFi broadcast
play back
streaming
.
.
.
.
.
.
.
.
.
PCM-7130PDA
Figure 39. DSS MP3 Broadcast
Figure 39 shows a client playback the broadcasting music, the music
player on PDA connect to the MP3 broadcasting URL in DSS that is media
request, the MP3Broadcater then streams the music to PDA via wireless
broadcast, the music player on the PDA plays the broadcasting music.
3-6-2 Controlling the Wireless Card
The wireless device can work in three modes, managed, ad-hoc and AP
(access point) mode, the driver of D-Link DWL-650H only support managed
and ad-hoc mode, the managed mode is working with an AP, and the ad-hoc
mode is pear-to-pear connection for other wireless device that was applied to
local wireless network in this thesis, cause of it no need an AP for build the
wireless network.
For enable DWL-650H card in ad-hoc mode, need a tool – Cardmgr,
which monitors PCMCIA sockets for card insertion and removal events.
When a card is inserted, cardmgr looks up the card in a database of known
cards. If the card can be identified, appropriate device drivers will be loaded
and bound to the card. Edit the following files for cardmgr indentification:
62
