Activity
From 10/14/2013 to 11/12/2013
11/12/2013
- 02:33 PM Software Development: RE: EDMA conflict DSP <-> Linux
- Was the bug in the kernel or your application?
- 02:09 PM Software Development: RE: EDMA conflict DSP <-> Linux
- Found the reason. The DMA configuration was wrong.
- 07:59 AM Software Development: RE: Linux startup with app running after boot
- Steven
One other note..
If you are using a newer filesystem with systemd (does /etc/systemd exist) things are a bit... - 07:52 AM Software Development: RE: Linux startup with app running after boot
- Steven
1 - No you don't need to log in as root... the init system will run your script for you. One thing that may...
11/11/2013
- I am at the final stage in getting my project working on the MityDSP L138 board. I want to load the FPGA control mod...
11/09/2013
- 06:06 PM Software Development: RE: EDMA conflict DSP <-> Linux
- Hej Mike,
I'm using my own board and also my own baseboard-configuration.c which is based on your baseboard-indust...
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 ... - Hej,
I try to use the EDMA to copy data from the McASP to and from a buffer for further processing on the DSP.
...
11/05/2013
- 10:37 AM Software Development: RE: How to launch application on startup
- ...
- 09:55 AM Software Development: RE: How to launch application on startup
- So, from the command line:...
- 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. ...
- 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...
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... - 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... - 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 ... - 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... - 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...
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 ... - 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...
- 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...
- 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...
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...
- 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:/...
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... - 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 ...
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 ...
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... - 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... - 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...
10/17/2013
- 04:07 PM Software Development: RE: File transfer methods
- Mary what do you get from the ftp server?
- 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... - We have an application where a 14 bit ADC is wired to the UPP port via the FPGA. The application needs to perform tri...
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...
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.
- 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...
- 02:28 PM Software Development: RE: File transfer methods
- TFTP is not very efficient depending on how it is configured.
- 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... - 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... - 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...
- 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...
- 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... - 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. ... - 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 - 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 - 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... - What is the most efficient file transfer method that this distro supports? We expect to generate very large files (u...
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