Activity
From 11/10/2013 to 12/09/2013
12/06/2013
- 11:49 AM Software Development: RE: Accessing SPI1 bus
- I don't see a SPI /dev/ entry.
Tried this (as in the example at https://www.kernel.org/doc/Documentation/spi/spi... - 11:07 AM Software Development: RE: Accessing SPI1 bus
- Hi Mary,
Reading and writing over a SPI bus on Linux is pretty simple. You need to open a file descriptor for the... - How do you read/write to a device on the SPI1 bus (CS1) on the ARM side? Is there an example? Can I do low level re...
- 09:43 AM Software Development: RE: First base with USB, OMAP-L138F
- Once you have the network connection up you can easily move files using ssh and winscp.
- 09:39 AM Software Development: RE: First base with USB, OMAP-L138F
- It maybe of use to you to have the usb port act as a network device so you can send files over the network. See http...
- I have inherited development responsibility for a custom base board using an OMAP-L138F SoM. I need to get USB worki...
12/05/2013
- 02:59 PM Software Development: RE: DSP software sometimes does not start
- Thanks for the reply Mike - I took a look at my code and the Debug outbound is created before the inbound in the DSP ...
- 12:37 PM Software Development: RE: DSP software sometimes does not start
- I suspect that you may have a race condition between the ARM and the DSP setting up inbound and outbound message Qs.
...
12/04/2013
- I have a strange problem with starting up some software on bootup. I have followed the instructions in this link:
[... - 01:46 PM Software Development: RE: Loading DSP-Code from Linux without DSPLink/DSPBios
- Hello Benedikt,
As far as I know, we've really only had experience running DSP code that uses the BIOS. Have you ... - Hej hej,
I have a coff-file with my DSP-Algorithm which runs perfectly when I start it via JTAG or via U-Boot. [Li...
12/03/2013
- 04:21 PM Software Development: RE: Read-only file system using systemd for startup
- I think that's the first step. The programs that have problems should then print error messages in the boot log. Mi...
- 04:19 PM Software Development: RE: Read-only file system using systemd for startup
- Yes, I was going to try just updating /etc/fstab and the bootarg environment variable and see if that works...what do...
- 02:48 PM Software Development: RE: Read-only file system using systemd for startup
- Stephen,
Do you have an /etc/fstab in your filesystem? Have you tried updating that file as described in step 4?
...
12/02/2013
- There is a discussion of how to set up a read-only filesystem in the following link:
[http://support.criticallink.co... - 10:44 AM Software Development: RE: problem with spinlocks in linux kernel module
- Steven,
I think the reason why you see the difference is that your PC is likely a multi-core (multi-processor), on... - Hi,
I tried to run a trivial test driver pasted in below on a PC using Redhat linux and on the ARM core of the OMA... - 12:51 AM Software Development: RE: "Regarding developing real time application"
- Hi Mike,
We are planning UART from linux on arm9 cortex. Or can you suggest any feasible solution in this regard, ...
11/30/2013
- 07:34 AM Software Development: RE: "Regarding developing real time application"
- Do you mean using a "UART from Linux":http://en.wikibooks.org/wiki/Serial_Programming/Serial_Linux? Or are you tryin...
- Dear sir,
we are working on developing vision system, wherein we are using your mitydsp L138F SOM and Industrial I... - 07:29 AM FPGA Development: RE: Driving DVI-D with Spartan6 LX45 Fpga
- The issue cannot be resolved without redesigning the PCB.
If you are using an LX-45, you cannot use the DVI inte... - From the following discussion, it is said that Spartan6 LX45 FPGA based MityDSP-L138F SOM cannot drive DVI-D on Indus...
11/28/2013
- 07:52 AM Software Development: RE: "Regarding driving two displays using MitydspL138F vision development kit"
- The DVI interface on the L138F / Industrial I/O kit is DVI-D (see "wikipedia page about DVI interface types":http://e...
- "
ARM9 Based Platforms - Software Development: RE: "Regarding Driving Displays in MitydspL138F Vision Devlopement Ki...
11/27/2013
- 08:09 PM Software Development: RE: "Regarding Driving Displays in MitydspL138F Vision Devlopement Kit"
- If both the LCD display and the display connected to the DVI interface can run using the timings (e.g., same resoluti...
- Hi sir,
Initially our requirement is to drive two displays in MitydspL138F VDK.
In Mitydsp L138F based vision d...
11/23/2013
- 03:34 PM FPGA Development: RE: JFFS2 driver errors
- You can do it in the DSP using tcDspSyscfg::SetMasterPriority() in the dsp core library.
-Mike
- 01:30 PM FPGA Development: RE: JFFS2 driver errors
- Thanks for those suggestions, Mike. According to Table 11-2, the default priority for EDMA is 0 (highest) and for AR...
- 08:40 AM FPGA Development: RE: JFFS2 driver errors
- Hi Steven,
Is the DMA priority configured higher than the ARM data access priority in the Master Priority Configur...
11/22/2013
- I'm seeing some errors similar to those mentioned in the following thread:
http://support.criticallink.com/redmine/b...
11/21/2013
- 07:14 AM Software Development: RE: Compiling the HelloWorld application with CGT
- You should dump out the full build texts between the two operations and compare.
I suspect that the memory configu...
11/18/2013
- Hi,
I was trying to compile the DSP HelloWorld Application available at the following location. http://support.cri... - 11:58 AM Software Development: RE: EDMA conflict DSP <-> Linux
- Hej Mike,
I just checked the master priorities. I changed it to the following values:
> 0: EDMA3_0_TC0
> 1: DSP ... - 10:42 AM Software Development: RE: EDMA conflict DSP <-> Linux
- The reservation of resource may be non-sense, but the resources specific to device drivers (like McASP channel queues...
- 09:54 AM Software Development: RE: EDMA conflict DSP <-> Linux
- The bug was in the param-sets of the edma which were not set correctly in my application.
But now I have another i... - 10:06 AM Software Development: RE: Linux startup with app running after boot
- Steven,
Once you have your program output going to stdout, you can redirect it to a file that can be viewed after ... - 09:31 AM Software Development: RE: Linux startup with app running after boot
- You should be using normal stdout printf's in your program and not opening the serial port.
11/16/2013
- 08:13 PM Software Development: RE: Linux startup with app running after boot
- I was wrong about starting the app with the full pathnames for both the app and the DSP executable. I wrote a servic...
11/15/2013
- 07:26 PM Software Development: RE: Linux startup with app running after boot
- Thanks for that, but how do you do the same thing with a systemd service? My filesystem is using systemd for startup.
- 06:30 PM Software Development: RE: Linux startup with app running after boot
- Steven
In your script that runs the app, just "cd" to the correct directory. I.e.
cd /mnt/user_nand
./myApp mydspE... - 06:27 PM Software Development: RE: Linux startup with app running after boot
- I have what might seem like a dumb question. I like the idea of starting the app as a service, and I have written an...
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...
Also available in: Atom
Go to top
