Activity
From 01/08/2014 to 02/06/2014
02/06/2014
- JC 03:21 PM Software Development: RE: How to reserve EDMA for DSP
- Mary,
I think you can disable the dma usage of the spi driver. I am using the following resource declaration for a different project. Note that the dm365 is a cousin of the l138. - MF 11:03 AM Software Development: RE: How to reserve EDMA for DSP
- In researching this I found what looks like a similar problem:
http://e2e.ti.com/support/dsp/omap_applications_processors/f/42/t/308987.aspx
This discussion describes how the McBSP freezes when other EMDA accesses occur. I also no... - I am attempting to run this command to compile the kernel:
bitbake virtual/bootloader
And get the following error:
ERROR: Execution of event handler 'external_linaro_toolchain_version_handler' failed
Traceback (most recent call ...
02/05/2014
- Hi All,
I can see here (http://support.criticallink.com/rm_embedded/dsp-products/MDK_DOCS/2.11/core/class_mity_d_s_p_1_1tc_dsp_i2c2.html) that there is support for I2C-SMBus. However, in MDK_2013-05-15, I couldn't find the header core... - AS 11:01 AM Software Development: RE: Latest stable linux build for MityARM-1808/F
- Thanks Mike,
That did the works for me.
Cheers,
Angelos - PS 06:49 AM Software Development: RE: USB-OTG as a peripheral and a host
- Hello Jonathan and Mike,
Thank you for your quick replies.
@Mike
Thank you for your suggestion. I could use it as a file system, but I am interested in transmitting data in real time continuously. In such cases, I will not be able... - Hi,
We have received your Vision Development Kit from Digikey distributor this week. As per your VDK manual we interfaced the kit with mouse, camera and Monitor (with DVI-D input). We have followed the instructions given strictly, als...
02/04/2014
- JC 01:50 PM Software Development: RE: Accessing SPI1 bus
- Mary,
You can search the kernel source for the messages by using grep. For example I might search for the string "msb first" and look at what files are found containing that text. You could then comment out those print statements. - MF 01:18 PM Software Development: RE: Accessing SPI1 bus
- I have successfully added the SPIDEV support to the kernel and can communicate over the bus now.
I occasionally see messages on the console of the following form: - I am having an ARM/DSP conflict. The DSP is primarily reading data from the McBSP and transferring the data to a circular buffer in DDR memory which is shared with the ARM. The ARM accesses it through a pointer allocated with CMEM.
T... - MW 12:39 PM Software Development: RE: Latest stable linux build for MityARM-1808/F
- In the "file tab":https://support.criticallink.com/redmine/projects/arm9-platforms/files there are MDK downloads (.run files). Instructions for installation are "here":https://support.criticallink.com/redmine/projects/arm9-platforms/wik...
- Hi All,
Could you please tell me what is the Latest stable linux build for MityARM-1808/F? Could you also provide with a link to that?
I have seen that the latest ARM9 based platform is MDK_2013-05-15 but I couldn't find it.
Ki... - MW 08:53 AM Software Development: RE: USB-OTG as a peripheral and a host
- Probably the best solution would be to load in the USB OTG file storage gadget. This will make the L138 look like a thumb drive.
This link talks about it a bit (for AM335X, but is generally a "linux" thing and should work with L138).... - JC 08:33 AM Software Development: RE: USB-OTG as a peripheral and a host
- Unfortunately I don't have any experience with interfacing with Android phones. If your Android phone supports rndis this may be the best way to go.
- PS 05:14 AM Software Development: RE: USB-OTG as a peripheral and a host
- Hello,
I have used RNDIS and have been able to transfer data.
However, I would also like to know how to use either the *USB host* port or the *OTG port* to transfer data without setting up RNDIS.
I am trying to send data from my bo...
02/03/2014
- Hi,
I need to set up multicast routing between two interfaces on the mity board running Angstrom linux 2.6.34
I recompiled the kernel with all multicasting options enabled, but "cat /proc/sys/net/ipv4/conf/all/mc_forwarding" gives...
01/31/2014
- NK 05:14 AM Software Development: RE: "Regarding handling UART on MitydspL138F(OMAPL138)"
- Hi,
We are trying to interface Second UART (J504 as you mentioned) with Atmel AtXmega Controller so that upon receiving UART interrupts from it we need to enter in to the developed image processing functions.
Since we were told tha...
01/30/2014
- AB 02:22 PM Software Development: RE: "Regarding handling UART on MitydspL138F(OMAPL138)"
- Naveen,
The first UART is used for the debug/console port, UART1.
You would like to use the second UART in your DSP/ARM code to trigger some processing to occur correct? On the VDK this would be the J504 connector. I have verified ... - AB 01:17 PM Software Development: RE: "Reagrding spi NOR flash memory updating"
- Naveen,
I'm assuming that the question here is how would you get the updated Kernel from your host PC onto the MityDSP-L138 module to update the kernel in the NOR memory?
1) You are going to be executing the commands over the debug...
01/23/2014
- MC 06:18 AM Software Development: RE: Memcpy data transfer error from FPGA address space to CMEM-allocated data buffers.
- Hello Mike,
I've solved the problem! Actually it was a timing problem related to the access policy to the emif.
I eliminated the one-clock-delay due to the output flip-flop (reg_read), substituting it with a multiplexer.
Now it wor... - Hi Sir,
This is regarding editing the kernel in NOR flash memory, a detailed steps have been given in wiki for editing kernel but how to interface Mitydsp to host PC while flashing. Please help me in this regard.
Thanks in advance,...
01/22/2014
- MC 09:19 AM Software Development: RE: Memcpy data transfer error from FPGA address space to CMEM-allocated data buffers.
- Dear Mike,
When you say to configure the emif wait states etc., you mean modifying, for example, the file "u-boot-mitydspl138/board/davinci/mityomapl138/mityomapl138.c" ?
In that file I see these configurations:
code:
emif_r...
01/21/2014
- EK 04:04 PM Software Development: RE: Error libstdc++.so.6
- To whom this may concern!...
I had a problem with the file system... Using NFS updated the problem is solved... - MW 07:31 AM Software Development: RE: Memcpy data transfer error from FPGA address space to CMEM-allocated data buffers.
- I think you should setup a chipscope in the FPGA and watch the EMIFA transactions and see if the data is being posted to the bus per the timing specs. I don't see anything obviously wrong in your ISR code. If you have to hit each regis...
- Dear Sirs,
I have implemented a ping pong buffer to transfer via EMIF some data from a Block-RAM on FPGA to a shared memory between ARM and DSP allocated by CMEM.
RAM is filled with 16 bit samples coming from an ADC: I have "hacked" yo...
01/20/2014
- Hello Mike,
In the vision_framework example given by you it is clear that the tcAlgorithmEdgeDetect::Process() class makes use of the IMG_sobel_3x3_16() library routine to perform a basic edge detection transform.
But in order to c... - NK 05:27 AM Software Development: RE: "Using TI C64x+ IMGLIB on OMAPL138F"
- Hello Mike,
In the vision_framework example given by you it is clear that the tcAlgorithmEdgeDetect::Process() class makes use of the IMG_sobel_3x3_16() library routine to perform a basic edge detection transform.
But in order to c...
01/17/2014
- *Hello Dears,
Following steps on "DSP Hello World", it seems I have outputs of ARM "HelloWorldDSP.out" and DSP "HelloWorld"... but in execution, I encounter to such the error message:*
_root@mityomapl138:~# ./HelloWorld HelloWorldDSP...
01/16/2014
- Dear sir,
Thanks for your prompt response for our posts
We are looking to program ARM9 processor core (OMAPL138) of MitydspL138F. We have seen in MitydspL138F VDK that two UART's are available but we are not pretty sure which is va...
01/15/2014
- NK 10:52 PM Software Development: RE: "JTAG Interface on MitydspL138F kit"
- Dear sir,
Thank you for your reply, it helped us a lot.
with regards,
Naveen K.S - NK 10:49 PM Software Development: RE: Regarding handling UART of MitydspL138 F
- Dear sir,
Kindly reply at the earliest to the above post, it will be very helpful to us.
with regards,
Naveen K.S.
01/13/2014
- DP 07:56 PM Software Development: RE: Still requires ifdown eth0 / ifup eth0 (DHCP)
- adding a bit more information:
seems that I'm not getting dbus.service or avahi-daemon.service starting automatically. systemctl reports:
avahi-daemon.service loaded inactive dead Avahi mDNS/DNS-SD Stack
... - DP 05:59 PM Software Development: RE: Still requires ifdown eth0 / ifup eth0 (DHCP)
- Sorry - files formated above, enclosed below
--Daniel - DP 05:58 PM Software Development: RE: Still requires ifdown eth0 / ifup eth0 (DHCP)
- I believe that I'm using the 'released' version of hte file system (MDK).
root@mityT1-dev:/lib/systemd/system# more networking.service
[Unit]
Description=Networking
Before=getty@tty1.service display-manager.service app.servic... - BD 05:41 PM Software Development: RE: Still requires ifdown eth0 / ifup eth0 (DHCP)
- Hello Dan,
Are you using a custom filesystem or an example filesystem from our MDK? Are you running with the MityDSP-L138 module in our development board or from your own baseboard?
Could you post the contents of your networking.se... - I'm still having trouble with the dns services. I've narrowed it down to two items:
1). at boot I still need to log into the machine and run ifdown eth0; ifup eth0
2). or sometime a restart of the avahi-daemon.services (syst...
01/10/2014
- AB 10:15 AM Software Development: RE: "JTAG Interface on MitydspL138F kit"
- Naveen,
The Critical Link debug adapter is included with the Vision Development Kit.
The following datasheet describes the included debug adapter: http://www.mitydsp.com/images/upload/File/80-000286_Debug_Adapter.pdf
The rest o... - NK 01:30 AM Software Development: RE: "JTAG Interface on MitydspL138F kit"
- Hello sir,
Kindly reply to my query as soon as possible.
with regards,
Naveen K.S - MW 09:15 AM PCB Development: RE: Ground Pins
- It's usually a good idea to hook up all of the ground pins as the specification calls for. For higher speed signal interfacing (FPGA pins, clocks, USB signals, etc.), the ground pins provide return current paths and reduce the potential...
- Hej hej,
the MityDSP L138F/L138 has quite a lot of ground pins.
Is it necessary to connect all to ground or are they bridged on the Mitydsp-board? Which pins must be connected to ground and which can be left unconnected on my baseb... - NK 02:26 AM Software Development: RE: Regarding handling UART of MitydspL138 F
- Dear sir,
We are looking to program ARM9 processor core (OMAPL138) of MitydspL138F. We have seen in MitydspL138F VDK that two UART's are available but we are not pretty sure which is vailable in VDK linux kernel image.
But our appl...
01/09/2014
- NK 10:30 PM Software Development: RE: "Using TI C64x+ IMGLIB on OMAPL138F"
- Hello Mike,
Thanks for your reply..
with regards,
Naveen K.S - MW 08:59 AM Software Development: RE: "Using TI C64x+ IMGLIB on OMAPL138F"
- You can use the C64X+ IMGLIB with the OMAP-L138. The 674x core is a superset of c67x+ and c64x+ instruction sets.
-Mike
01/08/2014
- Hello sir,
In our development phase we are getting MitydspL138F Vision development kit, we are quite unsure with the JTAG interface. It was given in the VDK data sheet that to use XDS510 USB JTAG Emulator(14 pin) for dsp and FPGA JTAG... - PS 11:24 PM Software Development: RE: USB-OTG as a peripheral and a host
- Thank You Jonathan.
I will try them out. - NK 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 libraries from the link provided. But my doubt is whether can we use latest C64X+ IMGLIB (which has enhancements from its... - MW 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 calling the routines as needed.
The IMGLIB comes with a users manual and API reference guide from TI.
In the "vision... - Hello sir,
I am working on OMAPL138F for one of my image processing application, kindly let me know if i can use C64x+ IMGLIB functions (as i need to process 16 bit data) for my application development.If not let me know which versio...