hello Mayank ... Thanks for the reply ... Actually i am getting so many views w.r.t usb multi gadget from google so i am confused ... 1)Can it be used i my situation where in i need to have usb mass storage and USB as uart at same point of time ? Could someone pl point me to some usage document ..how to make use of this driver ..like how to configure etc .. or i just need to modprobe g_multi and i will get usb as msc and usb as uart both .... Thanks again ... Nidhi On Mon, Mar 21, 2011 at 5:06 PM, Mayank Rana <mrana@xxxxxxxxxxxxxx> wrote: > On 3/21/2011 4:46 PM, nidhi mittal hada wrote: >> >> Hi all ... >> >> I am doing this in my project >> >> Step 1 : >> I Âacquire some data on beagle board Âon angstrom linux and send to SD >> Card by mounting it on ÂBeagle Board. >> Now I unmount the card from beagle board and use g_file_storage gadget >> driver to mount the sd card on host. >> >> Step2 : Now after Host acquires the data from the sd card, Then i want >> to remove driver& Âmount it on Beagleboard and use storage again on >> B.Board. >> >> But How will the beagle board know >> when to again unmount the gadget driver and again mount sd card on beagle >> board. >> >> How does BB capture the eject event ? >> >> Is there some concept of composite driver in linux >> where mass storage class can be used along side say uart interface >> ...........using the same physical usb communication path to send >> commands from host to beagle board which can aid the above operation. >> >> Please help me if I am thinking wrong. Please suggest. >> >> ============================== >> i want to use usb MSC for showing storage at HOST ....and use usb >> serial for sending some commands from host at that time ...like eject >> event >> ================================================== >> >> >> i have these alternatives ... >> >> 1)use usb port to send data from BB to HOST and another uart port for >> sending eject usb --event to BB -- but thats last i would want to do >> ..... >> >> 2)using usb-multi driver ...if i can do that .... >> >> >> i have googled and found >> http://www.mjmwired.net/kernel/Documentation/usb/gadget_multi.txt >> ..will it be useful in my situation ? >> >> is it feasible to fulfil my requirement with this driver ? >> >> please help. >> >> >> >> >> >> >> >> -- >> Thanks& ÂRegards >> Nidhi Mittal Hada >> >> http://nidhi-searchingmyself.blogspot.com/ >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-usb" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at Âhttp://vger.kernel.org/majordomo-info.html > > Linux does have support for Multifunction composite gadget. > See Documentation/usb/gadget_multi.txt > See drivers/usb/gadget/multi.c as example. > > Hope it would be useful. > > Regards, > _-_Mayank Rana_-_ > -- > Sent by a consultant of the Qualcomm Innovation Center, Inc. > The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum. > -- Thanks & Regards Nidhi Mittal Hada http://nidhi-searchingmyself.blogspot.com/ -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
