Quantcast
Channel: Forum - Recent Threads
Viewing all articles
Browse latest Browse all 1583

RE: USB on RZ/A1L

$
0
0

> It's USB was designed after the RZ/A1H RSK Dev Kit.

Hopefully you didn't copy over those in-line resistors on the D+ D- lines...those were a mistake.

> The Hardware manual shows that the USB is a dedicated set of pins. There should be no

> pinmuxing required and the RSK did not have any required muxing for the USB.

Correct.

> When we insert the USB kernel module, it prints the following - it does not enumerate any

> devices ( we have a flash drive plugged in ).

> $ insmod /root/usb/r8a66597-hcd.ko

Why aren't you building the USB drivers in statically?? I've never tested them as modules. What happens if you statically build that in?

Also....make sure you have +5v going to the USB device connector.

Chris


Viewing all articles
Browse latest Browse all 1583