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From 02/19/2014 to 03/20/2014

03/19/2014

07:08 PM Software Development: Error while connecting to ARM9
Hello everyone,
I have a MityARM 1808F and I am facing a strange issue which is as follows:
* when I am trying to c...
Ahmed Shaaban

03/11/2014

05:13 PM Software Development: RE: DSP- EDMA Transmission problem
Hello Mike,
Thank you very much for your response.
I have a question before I transfer to other place than L2 Cac...
Rafał Krawczyk

03/10/2014

07:25 AM Software Development: RE: DSP- EDMA Transmission problem
Do you see this affect if you transfer to a different place in DDR (instead of the L2 SRAM)?
Are you still enabl...
Michael Williamson
07:19 AM Software Development: RE: DSP- EDMA Transmission problem
Hello Michael,
It looks like edma is causing that. When I turned the edma off and used the data without transferring...
Rafał Krawczyk

03/09/2014

03:44 PM Software Development: RE: DSP- EDMA Transmission problem
It sort of sounds like there is a memory leak somewhere. Are you thinking it's in the DspQDMA routines?
-Mike
Michael Williamson
03:29 PM Software Development: RE: DSP- EDMA Transmission problem
Hello again,
There is another symptom in my application that occurs. I am viewing the size of heap in the MEM in the...
Rafał Krawczyk

03/07/2014

09:13 AM Software Development: RE: "Breaking into" uboot
Hello,
Thank you very much for your replies. I tried a different cable and it worked.
I attempted to update Linu...
Jordi Perez Serra
09:11 AM Software Development: RE: "Breaking into" uboot
Hello Jordi,
Can you confirm that the serial cable provided with the dev kit has the words "Null Modem" printed on...
Bob Duke
08:14 AM Software Development: RE: "Breaking into" uboot
Also to ask the simple questions, have you tried with and without the null modem? I've run into serial cables that al... Jonathan Cormier
08:13 AM Software Development: RE: "Breaking into" uboot
... Jonathan Cormier
08:07 AM Software Development: RE: "Breaking into" uboot
You should see printout similar to this:... Jonathan Cormier
05:23 AM Software Development: "Breaking into" uboot
Hello, I have a MityDSP L138 and I am trying to gain access to u-boot. I have a NULL modem serial cable which was sup... Jordi Perez Serra

03/04/2014

09:11 AM Software Development: RE: How to add ifplugd to Busybox

> When you remove and reconnect the ethernet cable do you get any messages printed on the console?
>

No mes...
Mary Frantz

03/03/2014

01:05 PM Software Development: RE: How to add ifplugd to Busybox
Mary,
Based upon a quick review, your method looks OK.
When you remove and reconnect the ethernet cable do you...
Bob Duke
09:46 AM Software Development: RE: How to add ifplugd to Busybox
Sorry,... I hit enter before I was done above. Attached are the other script files
To build busybox, I first ran ...
Mary Frantz
09:29 AM Software Development: RE: How to add ifplugd to Busybox
I have done the following:... Mary Frantz
09:28 AM Software Development: RE: I2C Bus
Thank you for your comments.
The glitches you can see on the waveforms occur when there is an acknowledge bit. The...
Ed Smith

03/02/2014

03:11 PM Software Development: RE: DSP- EDMA Transmission problem
Hello,
Thank you for response. It is highly possible that the DMA transfer is triggered before the previous has not ...
Rafał Krawczyk

02/28/2014

11:01 AM Software Development: RE: How to add ifplugd to Busybox
Mary,
In regards to question (2) either approach should work. If you want to replace busy box you will need to do...
Bob Duke
10:43 AM Software Development: How to add ifplugd to Busybox
I want to add ifplugd to Busybox so that the system can detect ethernet cable plug/unplug events and reinitialize the... Mary Frantz

02/27/2014

07:42 AM Software Development: RE: I2C Bus
I don't like the glitches in your "noramal operation" or "early termination" scope plots. Those should not be there.... Michael Williamson
05:21 AM Software Development: RE: I2C Bus
Any comments on the waveforms I posted?
Ed Smith
Ed Smith

02/26/2014

09:35 AM Software Development: RE: MityDSP-L138F SoM initial flash configuration
Francois,
Every module is run through our test fixture which programs the bootloader into NOR before running its t...
Jonathan Cormier
09:21 AM Software Development: MityDSP-L138F SoM initial flash configuration
Hi,
When a customer order MityDSP-L138F SoM from either your offcial distributors or directly from Critical Link, ...
François Tremblay

02/25/2014

07:34 AM Software Development: RE: I2C Bus
Thanks for the swift response. That is exactly the info I've been looking for.
I have attached some waveforms. The...
Ed Smith
06:59 AM Software Development: RE: I2C Bus
The PMIC is TPS65023RSBT. The PROM is 24AA02-I/MS. Pins 1, 2, and 3, of the PROM are no-connects.
The I2C0_SCL a...
Michael Williamson
06:24 AM Software Development: RE: I2C Bus
I'm working with Bruce on this issue. It would be really helpful to have the part numbers of the other devices, parti... Ed Smith
07:02 AM Software Development: RE: DSP- EDMA Transmission problem
Is the first DMA completing before calling the second?
Michael Williamson
05:04 AM Software Development: RE: DSP- EDMA Transmission problem
Hello again,
It appears that now the different problem occurs. When the DMA transmission is invoked twice or thrice,...
Rafał Krawczyk

02/24/2014

07:38 AM Software Development: RE: DSP- EDMA Transmission problem
Excellent! Glad it is now working!
Dave
David Rice
07:15 AM Software Development: RE: DSP- EDMA Transmission problem
Hello David,
Sorry for the latency-I corrected the code due to your suggestions and it worked- thank you.
Best Regards
Rafał Krawczyk

02/23/2014

08:08 AM Software Development: EMIF Clock in U-Boot
Hej hej,
I would like to change the EMIF-Clock from 100 MHz to 25 MHz for a MityDSP L138-Module. I searched the u-...
Benedikt K.

02/19/2014

08:15 AM Software Development: RE: Why is MityDSP-L138F UPP transmit sometimes giving UOR events
We leave it at 300 Mhz Marc Postema
08:08 AM Software Development: RE: Why is MityDSP-L138F UPP transmit sometimes giving UOR events
When you boot linux, are you changing the CPU OPP to 456 MHz or leaving it at 300 MHz? Michael Williamson
08:03 AM Software Development: RE: Why is MityDSP-L138F UPP transmit sometimes giving UOR events
Hello,
Yes we have adjusted the bus master priority of uPP, but did not see any great improvements (strangely).
...
Marc Postema
07:42 AM Software Development: RE: Why is MityDSP-L138F UPP transmit sometimes giving UOR events
Did you check / adjust your UPP Bus master priorities? Michael Williamson
07:33 AM Software Development: RE: Why is MityDSP-L138F UPP transmit sometimes giving UOR events
Hello,
Just a quick update. When we do not boot into linux (just uboot) we do not see
these errors.
So booting...
Marc Postema
 

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