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From 08/21/2012 to 09/19/2012

09/18/2012

05:42 PM Software Development: RE: Requirements to install the fpga_ctrl.ko?
See Table 1 in the "datasheet":http://www.mitydsp.com/images/upload/File/MityDSP-L138F%20Spec.pdf. The pins are tagg... Michael Williamson
12:10 PM Software Development: RE: Requirements to install the fpga_ctrl.ko?
Hi Mike,
I didn't realize that the DVI wouldn't work with the LX-45, luckly we don't need the DVI interface. For r...
Matt Menezes
10:18 AM Software Development: RE: Simple GPIO toggle
It works! Thanks for all your help on this Mike. I really appreciate that.
Big Note: It still does not work on Gpi...
Conor O
08:56 AM Software Development: RE: Simple GPIO toggle
My board is rev: 80-000268RI-2B, the latest revision.
Ah yes. I see. I really should have spotted it myself as I w...
Conor O
07:21 AM Software Development: RE: Simple GPIO toggle
Hi Conor,
Think I found it. If you check the schematics from this "page":http://support.criticallink.com/redmine/...
Michael Williamson
05:56 AM Software Development: RE: Simple GPIO toggle
I took the MDK from 2012-03-12 and compiled uBoot and uImage from defaults (using industrialio-defconfig for the kern... Conor O
03:51 AM Software Development: RE: Simple GPIO toggle
I cannot find any particular reason for the pins to do this in the code. I'll recompile the kernel and uboot on the o... Conor O

09/17/2012

07:29 PM Software Development: RE: Requirements to install the fpga_ctrl.ko?
Matt,
Are you sure you have an LX-45 based FPGA? The LX-45 does not bond out 8 pins that the LX-16 does. These i...
Michael Williamson
07:09 PM Software Development: RE: Requirements to install the fpga_ctrl.ko?
Hi Matt,
Are you using a wide screen monitor? We've seen some widescreen monitors won't lock up with VGA resoluti...
Michael Williamson
06:32 PM Software Development: RE: Requirements to install the fpga_ctrl.ko?
Hi Mike,
Yes, I am using the DVI connector. The FPGA image I am using is one I generated for the x45 FPGA from the...
Matt Menezes
05:58 PM Software Development: RE: Requirements to install the fpga_ctrl.ko?
Hi Matt,
If you are trying to use the DVI connector, you need to use the FPGA image that was built to run with the...
Michael Williamson
05:42 PM Software Development: RE: Requirements to install the fpga_ctrl.ko?
Ok good news! I got the FPGA bin files needed so that the FPGA ready light comes on. The not so great news is I can't... Matt Menezes
10:11 AM Software Development: RE: Requirements to install the fpga_ctrl.ko?
Hi Mike,
Last week I didn't really have time to work on it, this week I'll know if I need more assistance.
-Matt
Matt Menezes
08:46 AM Software Development: RE: Simple GPIO toggle
That's supposed to be GPIO0/6 by the way... Conor O
08:44 AM Software Development: RE: Simple GPIO toggle
Certainly... The PCB number is "120540". I've no boards plugged in at all - just the L138 module and the baseboard. T... Conor O
08:39 AM Software Development: RE: Simple GPIO toggle
Hmmm...
Do you have an expansion board plugged in right now? Can you disconnect it if you do?
It's possible th...
Michael Williamson
08:29 AM Software Development: RE: Simple GPIO toggle
GPIO0/15 is the opposite which is rather odd. It starts out as 0, whereas GPIO0/7 starts out as 1:
root@mityomapl1...
Conor O
08:21 AM Software Development: RE: Simple GPIO toggle
Thanks Mike,
When I cat from /sys/class/gpio7/value, it reads "1" all the time, no matter what I've previously wri...
Conor O
07:23 AM Software Development: RE: Simple GPIO toggle
Hi Conor,
I don't see anything wrong with your approach. You might check the value that the pin is reading back (...
Michael Williamson
07:15 AM Software Development: Simple GPIO toggle
I see this has been asked before in various ways so sorry to ask again (I'm not getting it!).
I have pin 19 from J...
Conor O

09/16/2012

09:13 PM PCB Development: uPP Synchronization Question (Posted on behalf of a Customer)
Like to seek your help on an uPP related question. I plan to burst out I and Q data from memory using the two uPP ch... Angela Newman

09/15/2012

06:56 AM Software Development: RE: Requirements to install the fpga_ctrl.ko?
Hi Matt,
Did you get through this, do you still need assistance?
-Mike
Michael Williamson

09/14/2012

06:24 PM Software Development: RE: Problem with uPP in DLB
Greg,
Thanks for answer.
By the way, do you have a dummy FPGA load (in .bin format) that output "known fake d...
François Tremblay
05:15 PM Software Development: RE: Problem with uPP in DLB
François,
Glad to hear that fixed your problem!
In regards to your follow up question, yes, you will most lik...
Gregory Gluszek

09/13/2012

02:43 PM Software Development: RE: Problem with uPP in DLB
Greg,
You was right on and you make my day!
Now, I have another question regarding the cache. I used the uPP in...
François Tremblay
02:24 PM Software Development: RE: Problem with uPP in DLB
Hi François,
We have not done any work with running the system in digital loopback mode. The fact that you are ge...
Gregory Gluszek
11:54 AM Software Development: Problem with uPP in DLB
I am trying to use uPP in DLP mode with an MityDSP1810F board but my rx buffer is still empty after a "ransaction.
...
François Tremblay

09/12/2012

08:26 PM PCB Development: uPP and Boot signal muxing (Posted on behalf of a Customer)
We are using uPP in our design - UPP XDx signals & BOOT function are muxed, what must I do? Angela Newman
12:18 PM PCB Development: Boot Pins? (Posted on behalf of a customer.)
I am actually design an eval board using your L138 module. I am wondering if I need to care about the BOOT pins (muxe... Angela Newman

09/11/2012

04:16 PM PCB Development: Power Off and Boot Time - OMAP Code and FPGA Code (Posted on Behalf of a Customer)
We need to switch power off to the entire card based on USB activity.
Any easy way to do this?
Also how long is...
Angela Newman
03:27 PM Software Development: RE: Requirements to install the fpga_ctrl.ko?
It's the same thing. It got branded with two names early on. Profibus really only works with the MityARM-1810, as t... Michael Williamson
02:38 PM Software Development: RE: Requirements to install the fpga_ctrl.ko?
I guess now is a good time to ask, I'm not sure industrial I/O devkit or the PROFIBUS Development Kit, or if there is... Matt Menezes
12:07 PM Software Development: RE: Requirements to install the fpga_ctrl.ko?
Hi Matt,
All of the images on the example site are for an LX16, which (I thought) was the standard size FPGA for m...
Michael Williamson
11:56 AM Software Development: RE: Requirements to install the fpga_ctrl.ko?
*Edit*
The board acually says REV A, not sure if it matters.
Matt Menezes
11:52 AM Software Development: RE: Requirements to install the fpga_ctrl.ko?
Ok, thanks Mike. I'll be sure to check out the newer branches. I was able to get fpga_ctrl to load using the uimage f... Matt Menezes
07:23 AM Software Development: RE: Requirements to install the fpga_ctrl.ko?
Hi Matt,
There are several branches on our git server. The "master" is somewhat older, which is your 2.6.34-rc1. ...
Michael Williamson
02:00 PM PCB Development: RE: Usage of GP0 pins on MityDSP-L138F (Posted on behalf of a Customer)
The "datasheet":http://www.mitydsp.com/images/upload/File/MityDSP-L138F%20Spec.pdf for the MityDSP-L138F contains thi... Michael Williamson
09:27 AM PCB Development: Usage of GP0 pins on MityDSP-L138F (Posted on behalf of a Customer)
My programmers need to know:
What (if anything) is connected to the GPIO pins on port GP0 onboard the MityDSP-L138F ...
Angela Newman

09/10/2012

10:05 AM Software Development: RE: Requirements to install the fpga_ctrl.ko?
Hi Mike,
If I understand what I am doing correctly, I am using version 2.6.34-rc1 and I got the kernal from git://...
Matt Menezes

09/07/2012

06:40 PM Software Development: RE: Requirements to install the fpga_ctrl.ko?
Hi Matt,
The error messages you are getting are from the kernel module files not being compiled against the same v...
Michael Williamson
06:10 PM Software Development: Requirements to install the fpga_ctrl.ko?
Hi,
I've been working with our MityDSP L138F and devolopment board for a few days, today I tried to follow the ins...
Matt Menezes
09:49 AM Software Development: RE: kernel build
duh, I guess it helps to execute the instructions you guys post. After tftp'ing the new kernel I would just type boo... Scott Whitney

09/06/2012

05:59 PM Software Development: RE: kernel build
Scott may have found the issue ... he is going to verify and re-post ... Thomas Catalino
05:43 PM Software Development: kernel build
Hello, I am trying to build the kernel to support EXT4 filesystems. I have downloaded the latest configuration MDK_2... Scott Whitney

09/05/2012

03:03 PM Software Development: RE: L138 SD Card Boot & AISgen
I don't have a bunch of time to wander off on this, but you might check the the DEVICE_INIT() routine of the $MDK/sw/... Michael Williamson
02:44 PM Software Development: RE: L138 SD Card Boot & AISgen
Hi Mike,
Thanks for getting back to me so quickly.
We are indeed using a non-FPGA SOM. We have DIP switches on ...
Richard Miller-Smith
01:15 PM Software Development: RE: L138 SD Card Boot & AISgen
Hi Richard,
Can you confirm you using a SOM without an FPGA?
FPGA based SOMs do not expose the bootmode / boo...
Michael Williamson
12:47 PM Software Development: L138 SD Card Boot & AISgen
Hi,
We're trying to create an SD card that contains both u-boot and our Linux kernel for an L138 module. We've now...
Richard Miller-Smith

09/04/2012

04:32 PM FPGA Development: RE: Voltage of bank 3 on MityARM 1810F
Thanks for the quick reply! Emmett Bradford
04:16 PM FPGA Development: RE: Voltage of bank 3 on MityARM 1810F
No that is a typo in the UCF file. The voltage is really 1.8V.
Those lines in the UCF should be as shown below....
Michael Williamson
03:58 PM FPGA Development: RE: Voltage of bank 3 on MityARM 1810F
Are these lines truly connect to the AM1808 as implied in the UCF? Emmett Bradford
03:57 PM FPGA Development: Voltage of bank 3 on MityARM 1810F
I started my FPGA code using fpga/vhdl/MityDSP_L138.ucf
I want to add to the design io_gp8(15 downto 8).
These line...
Emmett Bradford

08/31/2012

09:58 AM Software Development: RE: Debugging DSP in VirtualBox?
The Spectrum Digital XDS510 USB emulator pod does not seem to be useable from within the current Oracle VirtualBox.
...
John Pruitt

08/30/2012

09:39 PM Software Development: help of Installing Open Embedded Core and starting telnet server

I followed the procedures of "Installing Open Embedded Core", no problem from step 1 to 4, but at step 5, there's n...
zhiming wu

08/28/2012

07:08 AM PCB Development: RE: MMCSD
Sorry, I meant GPIO_0[6 or 7 or 13 or 15] as they are on the J700 connector along with MMCSD0...
Conor O
04:16 AM PCB Development: RE: MMCSD
Ah yes, that makes sense - I forgot about the degree of pin muxing going on in the L138 and the UPP would make sense ... Conor O

08/27/2012

07:06 PM PCB Development: RE: Used EMIFA-Signals/Pins
Yes, there should be several.
The only interface on the EMA on the modules with non-FPGA pins is the NAND (x8, but...
Michael Williamson
06:48 PM PCB Development: RE: Used EMIFA-Signals/Pins
This is the mainquestion: Are there some not used Pins of the EMA interface which i can use as GPIO and keep the onbo... Christian Rückl
11:13 AM Software Development: RE: Vision Development Kit - What toolchain?
Any of the ARM side GCC toolchains released should work with the VDK. I would recommend using the most recent one di... Michael Williamson
10:28 AM PCB Development: RE: MMCSD
Hello Conor,
Some background: the MMCSD1 was routed through the FPGA because it is pin-muxed with the UPP channel ...
Michael Williamson
05:53 AM PCB Development: MMCSD
Hi all,
I was looking at interfacing a wireless module to the MMCSD ports on the MityDSP L138F module. There are t...
Conor O

08/23/2012

04:12 PM PCB Development: RE: Used EMIFA-Signals/Pins
The one without the FPGA. Christian Rückl
12:42 PM PCB Development: RE: Used EMIFA-Signals/Pins
For which module? One that includes an FPGA or not?
Michael Williamson
11:59 AM PCB Development: Used EMIFA-Signals/Pins
Hi,
which EMA-Pins of the EMIFA-Interface already connected to the L138-onboard-peripherials?
I couldn't found an...
Christian Rückl
09:05 AM PCB Development: RE: MityDSP-L138F Mounting Holes (Posted on behalf of a customer)
Mike, thanks for the quick response.
A STEP model is currently available at [http://support.criticallink.com/redmi...
Wade Calcutt
08:36 AM PCB Development: RE: MityDSP-L138F Mounting Holes (Posted on behalf of a customer)
We may have a STEP model of the module, let me see if I can get that published. Michael Williamson
08:35 AM PCB Development: RE: MityDSP-L138F Mounting Holes (Posted on behalf of a customer)
Short answer is yes, 1.6mm maximum height. And you should probably hold to that height for the entire area below SOM... Michael Williamson
08:11 AM PCB Development: RE: MityDSP-L138F Mounting Holes (Posted on behalf of a customer)
The drawing you provided highlights a keep-out area for high profile components. What is the maximum component height... Wade Calcutt

08/22/2012

05:03 PM Software Development: Debugging DSP in VirtualBox?
Can JTAG debugging be performed from within CCS running in a VirtualBox? Thomas Catalino
05:00 PM Software Development: Vision Development Kit - What toolchain?
What GCC toolchain is used to build the VDK Linux application? DSP? Thomas Catalino
 

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