Database Develop

SDIO USB Host

hi i was wondering if anyone out there new if there was an SDIO USB HOST card, similar to the shown on the link below (but obviously SD not CF)
http://www.ratocsystems.com/english/products/subpages/cfu1u.html
if not, does anyone know/have tried the above CF to USB Host with a standard usb webcam and got it to work? if so can you explain how i go about setting it up.
thanks
smigger666

i'd suspect that the fact that usb to host have to supply 5volt with 0.5mA
it could be an issue for something as thin as an sdcard
also not sure if the sdio interface even operate at 5v

usb host
I haven't seen an sdio to usb card, but I use my "htc universal" with it's mini usb as a usb 1.1 host. It works ok but you have to supply external power.

if you have that working you are the first and only person i know of who gotten any htc device act as usb host
sure there were rumors that it would do host
but later on ppl retracted those claims

After wiring up a cable for that, how do you set the phone to 'host mode'?
Thanks

usb host is not a mode
your pc is in host mode always
as are the 2 htc devices which do support
usb host out of the box
is a device is connected and the driver
is present the device works

Nope, USB host is a mode. It's the whole Master / Slave affair. Granted, it's automatic for most devices when another is connected... ah... that ought to answer my question I guess.

USB host mode ??

hello guys!i have question,what is this 'USB host mode'??i see this on my hd7where hold button power+vol.down+camera.Please reply...sorry my English

When you have a USB connection, one end acts as the "host" and the other acts as the "device." Typically standard "computers" (desktops, laptops, etc) act as hosts and what you plug in acts as a device. However, some devices that support USB On The Go (OTG) can switch between host mode and device mode.
When a device is in host mode, if it has the appropriate drivers, you can do things like plug in keyboards, mice, thumb drives, cameras, etc and control them from the host mode device.

[Q]USB HOST - what kernel to use ?

Hello .
I have problem with my Galaxy Tab P1000.
I cant connect anything to my tablet, i have OTG cable from 10.1 and nothing.
i use standard cable and still nothing.
I have kernel P1000-CM9-HumberOS-Kernel-20120307 , system and use apps USB HOST CONTROLLER.
I can upload log files.
I search on forum and i cant find answer.
sorry for my bad english ...

read around here to get some setup to work
http://forum.xda-developers.com/showthread.php?p=23060925
I think you can forget about your cable.
P1000 doesn't supply power to the port, so it will not work.

I connect hub in way in your post but apps stopped on ``invalid USBhost data``.
I connect tablet to hub with external charager, when i connecting cable tablet starts charaging and usb host controller start working, but like i said it stop

actually I have no experience at that.
I was just helping out in pointing to the relevant posts.
Sorry I can't help there.
Maybe you can PM one of the guy with success there?

So someone has connected something to p1000 via usb host with succes ?

USB OTG - Do I need to connect 4&5 pins?

Hello, now making my USB OTG cable from nothing. Saw in the "USB Host Controller" 's settings that I can change "Operation mode" to either "Host" or "Client", not only "OTG". Does this mean that my device can enable its host capabilities without connecting the "right" OTG cable with 4&5 pins connected?

Yes. OTG mode only means it will detect the operation mode automatically.

Redhattler said:
Hello, now making my USB OTG cable from nothing. Saw in the "USB Host Controller" 's settings that I can change "Operation mode" to either "Host" or "Client", not only "OTG". Does this mean that my device can enable its host capabilities without connecting the "right" OTG cable with 4&5 pins connected?
Click to expand...
Click to collapse
I made a few of these cables, OTG and audio line outs (fun with resistors had me soldering and making cables for a week lol)
USB Host Controller is just a helper app, You still need to short the pins for the cable to work, as well as making it a "powered" cable since the cappy wont power OTG compatible devices that need it.

Would a USB Hub powered by AC charge a connected Nook HD+ ?

I added the usb host support and flash drive and mouse work great. I was wondering if a USB powered hub would charge the Nook HD+ when multiple devices are connected.

I don't believe it will currently charge while using usb host is on. One or the other.

interesting, thanks for the response.

If you're using verygreen's firmware, there's some tips (info from 4pda.ru).
In order to charge Nook you have to power up the Hub first, then connect a devices to the hub, then connect the Nook, then switch USB Host mode.
USB flash drive automount works only if the drive connected to the first port on the hub or directly to the Nook.
If USB device consume more than 100mAh of power than you must use the Hub (even unpovered).