Philips Semiconductors @Tokyo, 2004

return to main page

WASABI-Hot!
Demo for HostController capabilities

MEMO : If you try these demo on OTG port (port1),
press [z] key first to provide V-bus from the port
MEMO : Storage demo is described in the page of
"Storage operation reference"



* Port power control
User can turn ON/OFF the port power.
Press [t] key then WASABI-Hot! will ask you which port you want to toggle the bus-power status (ON and OFF).
Monitor what happens on Vbus line.



* Suspend with system clock off
Connect an oscilloscope to the pin at X-tal.
Press [S] will make both the host and the device controller into SUSPEND state with the clock stop.



* Device enumeration
Plug-in, Plug-out hubs and devices on root-hub/hub ports.
WASABI-Hot! can enumerate any USB devices and hubs.
Try [Space] key to show USB topology and address availability.

All enumeration processes are sone by control transfer.
Interrupt transfers are used to maintain hub activities.



* Play audio Beep
Connect USB speaker.
Press [b].
Or play music by pressing [Z], [X], [C], [V], [B], [N], [M] and [<]
Volume level can be controled by [,] and [.]

The sound data output to USB speakers are done with isochronous transfer. The data rate is 1.4112Mbps (CD audio data rate)



* Play audio File
Connect USB speaker.
Press [a].
You will see the list of file list. Please select one of those.
You can stop the music by [a] during play.

The sound data output to USB speakers are done with isochronous transfer. The data rate is 1.4112Mbps (CD audio data rate)



* Print picture
Connect USB printer.
Press [p].

You can drive multiple printers simultaneously.

Printing data are transferred by bulk transfer.



* Keyboard demo

Connect USB keyboard.
Press [k].
Type string. The key stroke will be echoed on the screen.
Press [Return] to excape from this mode.

HID transfers are done by interrupt transfer



* Mouse demo

Connect USB mouse.
The mouse status will be shown on the screen.

WASABI-Hot! has a sample code for the vender specific class driver.
If user connect GriffinTechnology's PowerMate, the device can be used for audio volume and mute controls.

HID transfers are done by interrupt transfer



return to main page