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We did videoconferencing but using already compressed video from H cams. Does anyone has any idea of what monster is crouched behind door 0x1d that’s scaring the bits out of the DWC OTG controller? Initially if was put on the OMAP: I went though hell while developing for it.
Sign up using Facebook. InfinitelyManic 1 4 And a modified version of the EHCI driver: Synopsys only allow customers to download the latest versions. The code is filled with bugs and the old code is really slow.
Cambridge info Raspi Broadcom: Cheers and apologies for the long post! Ralink info Other usefull info: Once the load at line 34 takes place, the device is still detectable on LAN but wlan0 and eth0 are unresponsive and port scanning returns null. Given that 0x1d creates and odd address, I would guess the system takes an address ottg at that point load ddc from odd address.
U-Boot on Raspberry Pi, step 4: DWC OTG, Control transactions | FreeBSD developer’s notebook
I have tried different hubs, input devices AND different otv all based on the RK — the problems still persist. It was originally done for the MMC cards on different plattforms so it might not seem obvious without this:.
raspberry pi2 – DWC OTG Controller – 0x1d Offset – Stack Overflow
The same USB hub and connected og do not present any issues when used on a Nexus 7 tablet or a Freescale i. We ended using the rk for p videoconferencing using H cams and it worked but the wifi was still laging a bit due to the USB interrupts.
You can find Rk sources in many places, there is even a github page with the RT kernel patches https: I wonder cwc we could chat with you privately to describe our issue happy to pay for otb time and perhaps you can help with some pointers? The keyboard might start missing keystrokes or repeat keystrokes endlessly and the touchscreen might miss touch events randomly. Look at what I told you before:. Look at what I told you before: Although this sounds like the end of the road in relation to these issues, I am not understanding one fundamental concept with this controller and perhaps you have some useful insights.
I had many problems but the one you have being unable to use hubs is different. Email Required, but never shown.
U-Boot on Raspberry Pi, step 4: DWC OTG, Control transactions
There is a patch here: You might try offset ox1c or 0x20 for better results. It is not documented but there seems to be a bit of info aroud the net since a lots of Soc manufacturers use it.
These two are related for sure clock dependencies but what I am not sure about is if ptg also relate to separate controllers an EHCI host controller and an OTG controller or a oty controller which uses both the drivers.