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From 10/10/2013 to 11/08/2013

11/08/2013

01:56 PM Software Development: RE: EDMA conflict DSP <-> Linux
What baseboard file are you using?
The devkit one configures MCASP for use by the ARM/linux. Could be a resource ...
Michael Williamson
09:47 AM Software Development: EDMA conflict DSP <-> Linux
Hej,
I try to use the EDMA to copy data from the McASP to and from a buffer for further processing on the DSP.
...
Benedikt K.

11/05/2013

10:37 AM Software Development: RE: How to launch application on startup
... Bob Duke
09:55 AM Software Development: RE: How to launch application on startup
So, from the command line:... Mary Frantz
07:05 AM FPGA Development: RE: uPP receive issues
Yes, this is the issue. The pin-muxed OMAP-L138 net that includes the UPP_CHB_CLOCK is not connected to a GCLK pin. ... Michael Williamson
06:18 AM FPGA Development: RE: uPP receive issues
I have resolve that problems. Maybe I was wrong to select uPP clock sources (PLL1_SYSCLK2).
But, when my FPGA syte...
minh tung

11/04/2013

01:09 PM Software Development: RE: How to launch application on startup
Mary,
When you exit a shell, all processes connected to the shell are typically terminated. When you execute a sc...
Bob Duke
12:54 PM Software Development: RE: How to launch application on startup
Do you happen to know if your system is using systemd for starting processes?
You can check to see if the followin...
Jonathan Cormier
12:48 PM Software Development: RE: How to launch application on startup
You can run the command "ps | grep myApplication" and look for your process in order to tell if its running.
Also ...
Jonathan Cormier
12:44 PM Software Development: RE: How to launch application on startup
Mary,
I think you have a typo here:
./home/root/HelloWorldDSP/Debug/myApplication myArgument &
There shouldn't b...
Jonathan Cormier
12:41 PM Software Development: How to launch application on startup
Could you provide an example of how to start an application on startup. I get that you can run it from a script in i... Mary Frantz

10/25/2013

06:15 PM Software Development: RE: Can't get DMA using low level driver working on DSP
Thanks for the replies. I'm using the 0x66000000 (CS5) space.
However, I was wrong about the interpretation of the ...
Steven Hill
08:46 AM Software Development: RE: Can't get DMA using low level driver working on DSP
If you have cache enabled for the DDR, I don't think it should be much faster to use IRAM. Your DMA in this case wil... David Rice
07:45 AM Software Development: RE: Can't get DMA using low level driver working on DSP
The crossbar to the EMIF is not great. Which CS space are you using for your transfer? The number of wait states ch... Michael Williamson
08:10 AM FPGA Development: RE: uPP receive issues
Do you know which two byes you are missing? Are they consistently the same two bytes?
Do you have a chipscope lic...
Michael Williamson

10/24/2013

08:10 PM Software Development: RE: Can't get DMA using low level driver working on DSP
I hope somebody is still monitoring this thread - I have DMA working now using buffers on the FPGA, but the transfers... Steven Hill
10:54 AM Software Development: RE: SYS/BIOS and SYSLINK
Hi Mike:
Here is another example of why I think the move to SYS/BIOS is necessary - check out this post:
http:/...
Steven Hill

10/23/2013

08:25 AM FPGA Development: RE: uPP receive issues
I have updated my source code
This is my *.ucf file
NET "o_upp_2xtxclk" LOC = "F4" | IOSTANDARD = LVCMOS18;
NET...
minh tung
08:03 AM FPGA Development: uPP receive issues
Hi,
I am using Upp to transfer data between FPGA and OMAP.
The data send from FPGA to OMAP is OK. But FPGA can not ...
minh tung

10/19/2013

10:38 AM Software Development: RE: UPP acquisition issue
hi Greg,
Thanks a million for all the help, solved the issue finally. I did set the dma thread priority to 15 but ...
Preejith S P

10/18/2013

02:09 PM Software Development: RE: UPP acquisition issue
Hi Preejith,
First, in relation to the thread priority, 15 is the maximum priority for a task and 1 is the lowest...
Gregory Gluszek
10:12 AM Software Development: RE: UPP acquisition issue
hi Greg,
We tried both your suggestions but without success. First about the DMA thread priority, we tried setting...
Preejith S P
08:18 AM Software Development: RE: File transfer methods
I did not try a ftp transfer. We have decided to do the transfer within our application, by connecting to a socket a... Mary Frantz

10/17/2013

04:07 PM Software Development: RE: File transfer methods
Mary what do you get from the ftp server? Jonathan Cormier
02:07 PM Software Development: RE: UPP acquisition issue
Hi Preejith,
In the code you attached the Channel A and Channel B DMA thread priorities are set to 9. These can b...
Gregory Gluszek
11:03 AM Software Development: UPP acquisition issue
We have an application where a 14 bit ADC is wired to the UPP port via the FPGA. The application needs to perform tri... Preejith S P

10/16/2013

09:48 AM Software Development: RE: File transfer methods
I tried some tests as you suggested.
file size = 64 Mbytes
scp: 60 sec (using WinSCP)
sftp: 53 sec (using W...
Mary Frantz

10/14/2013

02:51 PM Software Development: RE: File transfer methods
Note that all of my experiments have been on a mitydsp copying from nand and not sata. Jonathan Cormier
02:49 PM Software Development: RE: File transfer methods
I built the latest busybox using instructions provided and ran the ftpd service as described below and got a transfer... Jonathan Cormier
02:28 PM Software Development: RE: File transfer methods
TFTP is not very efficient depending on how it is configured. Michael Williamson
02:27 PM Software Development: RE: File transfer methods
It might be easier to export the mitydsp filesystem via NFS or SAMBA and have windows access it directly.
Or hav...
Michael Williamson
02:23 PM Software Development: RE: File transfer methods
I was able to transfer a 6MB file in about 13 seconds which is about 472 kB/s.
And the same transfer done over scp...
Jonathan Cormier
02:14 PM Software Development: RE: File transfer methods
I switched to using the http://tftpd32.jounin.net/ program as the tftp server as I was unable to get the other one to... Jonathan Cormier
02:06 PM Software Development: RE: File transfer methods
My guess is that windows firewall is blocking the connection. You should be able to google how to allow an inbound c... Jonathan Cormier
01:58 PM Software Development: RE: File transfer methods
Trying the Solar Winds tftp server. Installed it, ran it.
On my target:
root@mityomap:/mnt/sata# tftp -p -l te...
Mary Frantz
01:53 PM Software Development: RE: File transfer methods
Mary,
The angstrom distribution we use for our baseline does not include a TFTP server in its package repository. ...
Bob Duke
01:25 PM Software Development: RE: File transfer methods
It is possible. But i would test the other direction first to see if you get the speeds your looking for.
-Jonathan
Jonathan Cormier
01:24 PM Software Development: RE: File transfer methods
The Windows PC would be requesting the file. So, I think we want the som to be the server. Is this possible?
Mary
Mary Frantz
01:16 PM Software Development: RE: File transfer methods
Mary,
There should be a tftp dameon package available for this platform.
Which device will be triggering this...
Jonathan Cormier
12:31 PM Software Development: File transfer methods
What is the most efficient file transfer method that this distro supports? We expect to generate very large files (u... Mary Frantz

10/11/2013

11:30 AM PCB Development: RE: MityDSP-L138F LVDS lengths? .... (posted on behalf of a customer)
Hi Angela,
The following traces' length are reported from our tool.
Let us know if you need anything else. Than...
Zeng Liu
07:45 AM Software Development: RE: IndustrialIO board with Mity-DSP-L138F, No ETH PHY detected
One thing that sticks out..
you flashed the kernel to 0x100000 instead of 0x10000 (which is where you erased).
wh...
Tim Iskander
07:38 AM Software Development: IndustrialIO board with Mity-DSP-L138F, No ETH PHY detected
I am using an IndustrialIO Rev 2B board with a Mity-DSP-L138FI-236-RL SOM in which uboot reports:
Resetting ethern...
edward lambert

10/10/2013

11:10 AM PCB Development: MityDSP-L138F LVDS lengths? .... (posted on behalf of a customer)
My company is using your MityDSP-L138F SoM in a research prototype. The design has a high speed LVDS bus to the Spart... Angela Newman
07:38 AM Software Development: RE: EMIFA write timing
Hi Steven,
Using a separate chip select (and adjusting the wait timings setup in u-Boot) should make this feasible...
Michael Williamson
12:52 AM Software Development: RE: EMIFA write timing
To read the THS1206 I need two chip selects, which can be the core cs and an address bit. Then I need a read pulse w... Steven Hill
 

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