Activity
From 02/11/2014 to 03/12/2014
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...
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... - 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...
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 - 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...
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... - 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... - 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...
- 08:13 AM Software Development: RE: "Breaking into" uboot
- ...
- 08:07 AM Software Development: RE: "Breaking into" uboot
- You should see printout similar to this:...
- 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...
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...
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... - 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 ... - 09:29 AM Software Development: RE: How to add ifplugd to Busybox
- I have done the following:...
- 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...
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 ...
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... - I want to add ifplugd to Busybox so that the system can detect ethernet cable plug/unplug events and reinitialize the...
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....
- 05:21 AM Software Development: RE: I2C Bus
- Any comments on the waveforms I posted?
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... - Hi,
When a customer order MityDSP-L138F SoM from either your offcial distributors or directly from Critical Link, ...
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... - 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... - 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...
- 07:02 AM Software Development: RE: DSP- EDMA Transmission problem
- Is the first DMA completing before calling the second?
- 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,...
02/24/2014
- 07:38 AM Software Development: RE: DSP- EDMA Transmission problem
- Excellent! Glad it is now working!
Dave
- 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
02/23/2014
- 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-...
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
- 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?
- 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).
... - 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?
- 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...
02/18/2014
- 08:50 AM Software Development: RE: Why is MityDSP-L138F UPP transmit sometimes giving UOR events
- Hi Marc,
Here are a couple of other things to consider:
# In the past we've had throughput problems with TI's ... - 08:22 AM Software Development: RE: Why is MityDSP-L138F UPP transmit sometimes giving UOR events
- You might raise the priority up a bit (try 0 or 1). If the transfers are small, then it should be OK to give it prio...
- 08:04 AM Software Development: RE: Why is MityDSP-L138F UPP transmit sometimes giving UOR events
- Hello,
Here are some answers to the questions:
* Are you trying to run continuous transfers?
- We do not r... - 07:17 AM Software Development: RE: Why is MityDSP-L138F UPP transmit sometimes giving UOR events
- Hi Marc,
Are you trying to run continuous transfers?
At 75 Mhz, you should be running a buffer rep rate of 64 /... - 02:55 AM Software Development: RE: Why is MityDSP-L138F UPP transmit sometimes giving UOR events
- Hello,
Here are some answers to the questions:
* Are you using the Critical Link MDK drivers? If so, what versi... - 07:22 AM Software Development: RE: I2C Bus
- Hi Bruce,
I believe that the I2C addresses for I2C0 are described in the "Carrier Board Design Guide":http://www.c... - We are currently investigating a problem accessing the I2C0 bus.
My initial enquiry is to find out what devices ...
02/17/2014
- 09:25 AM Software Development: RE: Why is MityDSP-L138F UPP transmit sometimes giving UOR events
- Hi Marc,
If you are following the uPP design guidelines, then perhaps this is a true underflow or overflow condit... - Hello,
We use the MityDSP-L138F and between DSP and FPGA we use UPP communication but transmit (channel A) is givi...
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