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From 12/10/2013 to 01/08/2014

01/08/2014

11:57 PM Software Development: "JTAG Interface on MitydspL138F kit"
Hello sir,
In our development phase we are getting MitydspL138F Vision development kit, we are quite unsure with t...
Naveen K.S
11:24 PM Software Development: RE: USB-OTG as a peripheral and a host
Thank You Jonathan.
I will try them out.
Preejith S P
11:06 PM Software Development: RE: "Using TI C64x+ IMGLIB on OMAPL138F"
Hello Mike,
Thanks for your reply, actually i understood that in your vision_framework you have used C64X IMGLIB l...
Naveen K.S
07:13 AM Software Development: RE: "Using TI C64x+ IMGLIB on OMAPL138F"
The C64X IMGLIB libraries from TI can be used by simply linking the library provided by TI to your application and ca... Michael Williamson
03:08 AM Software Development: "Using TI C64x+ IMGLIB on OMAPL138F"
Hello sir,
I am working on OMAPL138F for one of my image processing application, kindly let me know if i can use C...
Naveen K.S

01/07/2014

07:18 PM FPGA Development: RE: Broken i_ema_a<8>
ChipScope confirmed that sth is wrong with i_ema_a<8> pin.
Serial numbers of Mity modules: 121924 (broken), 131576...
Łukasz Dałek
08:11 AM FPGA Development: RE: Broken i_ema_a<8>
I'll send them tomorrow.
Lukasz
Łukasz Dałek
07:59 AM FPGA Development: RE: Broken i_ema_a<8>
Yes. Two different mity boards. Can you give me the serial numbers?
-Mike
Michael Williamson
07:57 AM FPGA Development: RE: Broken i_ema_a<8>
Hello Mike,
1. What do you mean by two separate modules, two mity boards?
2. Yes, Same kernel, same application, sa...
Łukasz Dałek
07:18 AM FPGA Development: RE: Broken i_ema_a<8>
Hello Mr. Dalek,
It might be a problem. Between your "good and bad" boards:
- You are referring to 2 separate ...
Michael Williamson
06:52 AM FPGA Development: Broken i_ema_a<8>
Hello,
My FPGA has a little problem with modules detection,
Linux driver and controlling program always double-dete...
Łukasz Dałek
10:51 AM Software Development: RE: USB-OTG as a peripheral and a host
The connection setup can be treated like any normal network connection.
You can use ssh to transfer files to and f...
Jonathan Cormier
09:15 AM Software Development: RE: USB-OTG as a peripheral and a host
Hello Jonathan, Mike
Thank you for your replies.
I have been able to find the usb0 device after executing the i...
Preejith S P

01/06/2014

09:06 AM Software Development: RE: USB-OTG as a peripheral and a host
When you plug the USB in, the kernel should also dump out some information about the connection.
Attaching the res...
Michael Williamson
08:53 AM Software Development: RE: USB-OTG as a peripheral and a host
On the L138, if you run ifconfig -a is a usb0 listed?
-Jonathan
Jonathan Cormier
08:41 AM Software Development: RE: USB-OTG as a peripheral and a host
Hello Mike,
As per your suggestion, I have made the changes to the kernel configuration and I have also followed t...
Preejith S P

01/02/2014

08:14 AM Software Development: RE: Regarding handling UART of MitydspL138 F
Which UART are you after? Which processor core would you like to use with it? Michael Williamson
12:54 AM Software Development: Regarding handling UART of MitydspL138 F
Dear sir,
It is given in MitydspL138F VDK datasheet that already UART driver is available in Kernel image. Can you...
Naveen K.S
08:12 AM Software Development: RE: USB-OTG as a peripheral and a host
Hello,
It looks like you have selected the "gadget zero" device as your peripheral device. This is a USB test dev...
Michael Williamson

12/31/2013

02:07 AM Software Development: USB-OTG as a peripheral and a host
Hello,
I am using a MityDSP L138F with a custom board. This board has provision for a USB 1.1 Host and an USB 2 OTG ...
Preejith S P

12/20/2013

11:46 AM Software Development: RE: DSP- EDMA Transmission problem
I'm not sure why you are dividing by 4 for the number of words to transfer (numwords>>2), but I think that is your pr... David Rice
10:33 AM Software Development: DSP- EDMA Transmission problem
Hello,
I am having the following problem:
I am invoking an EDMA transfer in my DSP-side application. To do so, I di...
Rafał Krawczyk

12/19/2013

07:16 AM Software Development: RE: "Regarding video Frame data flow without using Linux OS-Linux frame buffer"
Hi Naveen,
You can use the UPP port (see the tcDspUpp core in the DSP/core library) or use the VPIF (same pins, se...
Michael Williamson
02:10 AM Software Development: "Regarding video Frame data flow without using Linux OS-Linux frame buffer"
Hello sir,
Thank you for replying my previous queries.
We are using MitydspL138F VDK for developing prototype, ...
Naveen K.S

12/16/2013

09:50 AM Software Development: RE: First base with USB, OMAP-L138F
And... the capacitance requirements for any USB interface are *very* important. See the USB specification (usb.org) ... Michael Williamson
09:48 AM Software Development: RE: First base with USB, OMAP-L138F
Hello Helmut,
This is really an embedded linux question in general and not just a MityDSP-L138 specific question....
Michael Williamson
09:36 AM Software Development: RE: First base with USB, OMAP-L138F
Thanks. I'm tasking my kernel guy on this. The link for RNDIS advice will be helpful.
HOWEVER, I would prefer it...
Helmut Forren

12/13/2013

02:07 PM Software Development: RE: Accessing SPI1 bus
Hi,
To get the spidev device, you need to add an entry for it in your platform baseboard file.
See the recent "...
Michael Williamson
01:40 PM Software Development: RE: Accessing SPI1 bus
Nope. I don't see that either.
I am going with the low level register access for now. I have SPI driver code that...
Mary Frantz
12:21 PM Software Development: RE: Accessing SPI1 bus
Hi Mary,
My guess would be that since in your baseboard file you set the modalias to "M25PE80" as part of the spi...
Gregory Gluszek

12/12/2013

06:48 AM Software Development: RE: Call to tcDspFpgaGpio::ConfigurePin() makes the Dsp crash
Thanks Mike!
That was definitely the reason of the crash.
Thank you.
Michele
Michele Canepa

12/11/2013

04:01 PM Software Development: RE: First base with USB, OMAP-L138F
The only things I see different in your circuit besides the removed 5V vbus switch(U101) are:
* Missing USB0_ID pu...
Jonathan Cormier
12:17 PM Software Development: RE: First base with USB, OMAP-L138F
Jonathan,
Yes, we have a USB A connector coming from USB 0. So this should be akin to connecting a USB A to USB ...
Helmut Forren
11:31 AM Software Development: RE: First base with USB, OMAP-L138F
Mike, Correct me if I'm wrong.
"So maybe the question boils down to this. Can you plug a USB OTG device into a PC,...
Jonathan Cormier
11:03 AM Software Development: RE: First base with USB, OMAP-L138F
Michael,
Great. First, the P/N on my Critical Link baseboard actually matches the next to last, "80-000268RI-2 B"...
Helmut Forren
07:28 AM Software Development: RE: First base with USB, OMAP-L138F
Schematics for the industrial I/O base board are on this "wiki page":http://support.criticallink.com/redmine/projects... Michael Williamson
07:08 AM Software Development: RE: First base with USB, OMAP-L138F
Jonathan, I'll try those things. FYI one test case with a USB flash drive works for the critical link baseboard, but... Helmut Forren
07:12 AM Software Development: RE: Call to tcDspFpgaGpio::ConfigurePin() makes the Dsp crash
Hi Michele,
Set the CORE_INT_EOF_LEVEL to 1.
Our framework uses 2 levels (2 seperate GPIO interrupt lines betwe...
Michael Williamson
05:48 AM Software Development: RE: Call to tcDspFpgaGpio::ConfigurePin() makes the Dsp crash
This is the crash dump on the serial output:
Unable to handle kernel NULL pointer dereference at virtual address 0...
Michele Canepa

12/10/2013

09:27 PM Software Development: RE: First base with USB, OMAP-L138F
Hello!
If you have got console why don't you just copy files from your PC to board?
And another option - if USB hos...
Dmitry Gorulko
03:56 PM Software Development: Call to tcDspFpgaGpio::ConfigurePin() makes the Dsp crash
Dear Sirs,
I have to use a GPIO bank over FPGA to route some interrupts (let's say 8) through the fpga to the DSP.
...
Michele Canepa
12:55 AM Software Development: RE: Compiling the HelloWorld application with CGT
Thanks Mike,
I will try that out. However for the time being, I am continuing with CCS on Windows. :)
Regards
...
Prashant Dabholkar
 

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