Activity
From 04/18/2013 to 05/17/2013
05/17/2013
- 03:04 PM FPGA Development: RE: FPGA load verification
- Thanks Mike.
I'm troubleshooting using your suggestions. I'll let you know what I find.
- 10:23 AM Software Development: RE: Start Guide : Cannot build helloworld application with eclipse
- Hello,
Have you run the environment setup script:... - 06:02 AM Software Development: RE: Open Embedded build error
- Hi,
Was there a resolution to this problem - I'm having the same problem.
Is it because mitydsp-preferred-revs...
05/16/2013
- 05:53 PM Software Development: RE: Video output blinks frequently
- FIXED! I changed VPIF DMA0/1 priority from 4 to 1 and the blinks went away. Thanks you, Mike.
-Helmut - 08:45 AM Software Development: RE: U-Boot ELF loader
- Bruce,
Elf support was added on the following commit.
http://support.criticallink.com/gitweb/?p=u-boot-mitydspl13... - Am I correct in thinking that the latest u-Boot has an ELF loader? I take it that this will load an ELF image into R...
05/15/2013
- 11:40 AM Software Development: RE: Video output blinks frequently
- Mike,
I'm using VPIF. It *might* also be the case that my interfering tasks are interfering because they're trans... - 11:10 AM Software Development: RE: Video output blinks frequently
- VPIF!
- 11:08 AM Software Development: RE: Video output blinks frequently
- Mike:
Thanks for the advice. FYI, this is same project as Wade Calcutt is working on, regarding FPGA loading prop... - 10:26 AM Software Development: RE: Video output blinks frequently
- I suspect that you need to increase the bus master DMA priority of the VPIF or LCDC peripherals (it's not clear to me...
- 10:24 AM Software Development: RE: Video output blinks frequently
- Helmut,
First thing is which version of the kernel are you running?
__uname -a__
Also the command __nice__ c... - My custom system is based on the MityOMAP-L138F.
At random times, but fairly frequently, my video output corrupts ...
05/14/2013
- 10:43 AM FPGA Development: RE: FPGA load verification
- You might bring the DCM status lines (particularly the lock status) to a scope just to see if that is the core issue....
05/13/2013
- 03:12 PM FPGA Development: RE: FPGA load verification
- Mike,
To my knowledge we're not changing the CPU frequency. That being said, one of the output messages during Lin... - 01:09 PM FPGA Development: RE: FPGA load verification
- Wade,
The EMIFA output clock can change if the OMAP-L138 CPU frequencies are modified (the EMIFA output clock is o... - 12:28 PM FPGA Development: RE: FPGA load verification
- Hi Mike,
Thanks for your response and troubleshooting suggestions.
To answer your questions:
*Are you using ... - 12:12 PM FPGA Development: RE: FPGA load verification
- Hi Wade,
If you are getting the "done" light on the part, then the FPGA is loading correctly and it's 99.999999999... - I'm using a MityDSP-L138F with an FPGA load that is a modified version of the example code provided in the Vision Dev...
05/09/2013
- 03:48 PM Software Development: RE: GPIO interrupt in MityOMAP-L138F
- I am glad you were able to figure this out, and these notes are helpful. Thanks for posting them.
We have been st... - 02:58 PM Software Development: RE: GPIO interrupt in MityOMAP-L138F
- Hi Mike,
I successfully implemented an interrupt example using FPGA Gpio core and your core libraries on DSP.
Mayb...
05/07/2013
- 07:08 AM Software Development: RE: ethernet over USB don't work
- If you want to force HOST mode, then you will need to rebuild the kernel and change the call from:
mityomapl138_us... - 06:29 AM Software Development: RE: Problem with uPP in DLB
- Hi François,
I am a newbie, and trying to create Upp Loopback with MityDSP1810F board.
Can you give your Upp Loopb...
05/06/2013
- 09:59 PM Software Development: RE: ethernet over USB don't work
- Sorry for late reply. Thanks for your help at first.
I have removed the RNDIS driver.
What I use is a USB2.0 ethe... - 09:59 PM Software Development: RE: ethernet over USB don't work
- Sorry for late reply. Thanks for your help at first.
I have removed the RNDIS driver.
What I use is a USB2.0 ethe...
05/04/2013
- 09:24 AM Software Development: RE: ethernet over USB don't work
- I think you are using the wrong approach to do this. The RNDIS driver (g_ether.ko) is to allow IP over USB and is a ...
05/03/2013
- Hi,
I'm using MityARM-1808 with my own carrier board.
It has a hi-speed USB 2.0 to ethernet controller(smsc7500) co...
05/02/2013
- 09:55 AM FPGA Development: RE: Verilog codes for MityDSP-L138F
- You can use verilog, the Xilinx tools support it. However, all of our refernece code is in VHDL.
It may be possib... - Hello,
I am a beginner with FPGA programming and MityDSP-L138F. I know the board currently uses VHDL. Can I write ...
04/30/2013
- 07:30 AM FPGA Development: RE: OFFSET constraint never passes timing
- Did not receive it.
04/29/2013
- 05:17 PM FPGA Development: RE: OFFSET constraint never passes timing
- I tried:
-shreg_extract = checked
-shreg_min_size = 5
No difference.
There is a DCM on i_ema_clk already.
Shou... - 04:28 PM FPGA Development: RE: OFFSET constraint never passes timing
- If you have it disabled, then it won't happen. Try leaving it enabled and seeting min size to 5.
The other thing ... - 11:55 AM FPGA Development: RE: OFFSET constraint never passes timing
- Thanks Mike,
In Synthesis Properties, HDL Options, I have:
-shreg_extract = unchecked
-shreg_min_size = 3
I see... - 10:46 AM FPGA Development: RE: OFFSET constraint never passes timing
- Sorry about the -3 vs -2 issue. We will correct that on our next release. However, several designs have been valida...
- 09:56 AM FPGA Development: RE: OFFSET constraint never passes timing
- The paths that are failing are from the pads to the EMIF module, I don't have any code connecting there.
Also, the...
04/23/2013
- 01:55 PM FPGA Development: RE: OFFSET constraint never passes timing
- Hi,
Two things.
1) You don't need the OFFSET=OUT spec with our IP. It turns out there is an extra clock in the... - 01:38 PM Software Development: RE: SATA mount point
- You can also run "udevadm monitor" to watch for udev activity.
- 01:29 PM Software Development: RE: SATA mount point
- Scott,
I'm not sure whats going on. I can't explain why one would work as expected and the other doesn't. Its po... - 11:44 AM Software Development: RE: SATA mount point
- the mmc card does not affect the mounting. It behaves the same way with or without it. I don't know if there are an...
- 11:39 AM Software Development: RE: SATA mount point
- Just as a curiousity, have you tried to see if adding/removing the mmc card affects how the sata drive mounts. Its t...
- 11:35 AM Software Development: RE: SATA mount point
- i am uploading 4 files both my /etc/fstab and the output of fdisk. This is from 2 different systems with different S...
- 11:24 AM Software Development: RE: SATA mount point
- Scott,
Could you attach your fstab for both machines as well as the output of 'fdisk -l'?
-Jonathan - _Hello,
I've got a few mityDSP developement kits and am attaching SATA SSD drives to them. They are formated EXT4 w...
04/22/2013
- I am using the following timing constraints.
If I remember correctly, I started from the industrial I/O example and ...
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