Hi, I am currently working on a embedded host for USB thumb drives using PIC32 starter kit. Unfortunately, the embedded host does not support USB hubs. I am planning to transfer files between multiple thumb drives. Can anyone help me or give suggestions. Thank you in advance. God Bless.
dz
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Hi, I am currently working on a embedded host for USB thumb drives using PIC32 starter kit. Unfortunately, the embedded host does not support USB hubs. I am planning to transfer files between multiple thumb drives. Can anyone help me or give suggestions.
Thank you in advance. God Bless.
dz
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Op Fri, 02 Oct 2009 16:05:11 +0200 schreef dzone007 :
No problem, just get some software that does. Or is your USB host implemented in an FPGA?
You didn't provide much information to base useful suggestions upon.
No, I will not accept blessings from any of your gods. Please have them returned to the appropriate deity. And besides, mythology is off-topic here.
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Hi dz,
I have read about a few projects like this on some forums. The concensus I believe is that the USB Host stack that is supplied free will only communicate with a single device and that the hub class and associated complexities of multiple attached devices are not included.
As far as I am aware, the only full USB Host stack for the PIC32 is from HCC-Embedded. It isn't free
Hope this helps.
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Get a copy of Jan Axelson's "USB Complete" and read that. Unless Microchip have provided a reasonably full implementation of a USB host you have a fair amount of work ahead of you: USB host driver, HUB driver, MSC host side driver, SCSI driver, FAT/NTFS driver. A HUB driver need not be particularly complicated but a full USB host is quite a lot of work ...
Are you doing this commercially, if so consider one of the embedded host implementations.
Andrew
would this help?
Cheers Don...
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Thanks for the reply. I just got USB Complete. 1 more question. I am planning to utilize 4 usb slots. However, PIC32 has only 1 USB slot. Can I just tap the 3 slots in the bus? or their is better solution?
dz
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Is that not what the hub is for?
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You could take two PIC32 devices, and hook them together.
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