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From 02/12/2013 to 03/13/2013

03/13/2013

04:06 PM Software Development: RE: Creating a Read-Only Filesystem
> rm: cannot remove '/etc/volatile.cache': Read-only file system
> chown: /var/volatile/cache: Read-only file system...
Jonathan Cormier
03:56 PM Software Development: RE: Creating a Read-Only Filesystem
Your fstab entry doesn't have auto in the options list so it isn't auto mounted on startup. You should probably use ... Jonathan Cormier
01:20 PM Software Development: RE: SPI NOR Flash memory map
This probably doesn't completely answer your question, but may be helpful. There is some "spare" memory on the SPI NO... Mary Frantz
10:59 AM Software Development: RE: MDK_2012-08-10 default configuration
What PHY address does your custom baseboard use?
-Mike
Michael Williamson
10:55 AM Software Development: MDK_2012-08-10 default configuration
Hi,
I am working on bringing up a custom base board for a MityDSP-L138.
Most things seem to work fine using the ve...
Lars Majlof

03/12/2013

02:59 PM Software Development: RE: FPGA Memory Size
You are correct we are looking at cs5 as well.
32k would probably be sufficient. We typically prefer to provide th...
LSA Autonomy
01:52 PM Software Development: RE: Creating a Read-Only Filesystem
I had used -
mount -t jffs2 /dev/mtdblock1 /mnt/user_nand
and just -
mount /mnt/user_nand
also works.
Jim Twyman
01:42 PM Software Development: RE: Creating a Read-Only Filesystem
"I can manually mount /mnt/user_nand and access that partition"
Whats the full command you use to manually mount you...
Jonathan Cormier
11:07 AM Software Development: Creating a Read-Only Filesystem
Hi,
We use the MityDSP-L138 in a factory automation product and need to prevent fs corruption from random shutdowns....
Jim Twyman
08:32 AM Software Development: RE: SPI NOR Flash memory map
This appears to be what your looking for.
[[MityDSP-L138_Architecture]]
Also can be determined by looking at the ...
Jonathan Cormier
08:13 AM Software Development: SPI NOR Flash memory map
(posted for a customer)
We are looking at using the SPI flash and/or NOR flash for storing our software on the L13...
Thomas Catalino

03/11/2013

07:58 PM Software Development: RE: FPGA Memory Size
As mentioned on the "EMIFA wiki page":http://support.criticallink.com/redmine/projects/arm9-platforms/wiki/EMIF_Inter... Michael Williamson
04:18 PM Software Development: FPGA Memory Size
The standard FPGA memory available to the arm processor within angstrom is currently limited to 2k.
From what we c...
LSA Autonomy
12:49 PM FPGA Development: RE: SPI Core on FPGA: Implementation on MityDSP-L138F
Dear all,
I'm trying to understand the behaviour of your SPI core on FPGA with hooked FIFO and wondering how to conn...
Michele Canepa

03/06/2013

01:56 PM Software Development: RE: How to register hostname with DNS?
I modified /etc/network/interfaces as described:... Mary Frantz
10:27 AM Software Development: RE: How to register hostname with DNS?
http://www.turnkeylinux.org/forum/support/20090212/register-hostname-dns
This post suggests setting hostname in /e...
Jonathan Cormier

03/05/2013

01:48 PM Software Development: RE: How to register hostname with DNS?
The answer there was:... Mary Frantz
11:34 AM Software Development: RE: How to register hostname with DNS?
This might be what your looking for.
http://www.linuxquestions.org/questions/linux-networking-3/dns-registration-on-...
Jonathan Cormier
11:03 AM Software Development: How to register hostname with DNS?
I would like to use DHCP for ip address assignment, set my own hostname and register it with DNS.
So, far I can ge...
Mary Frantz
11:36 AM Software Development: RE: How to get system time?
Stumbled across this:
#include <time.h> references /usr/local/oeore-i686/sysroots/armv5te-angstrom-linux-gnueabi/u...
Mary Frantz

02/27/2013

02:33 PM Software Development: RE: How to get system time?
This stack overflow article seems to point to an eclipse bug and possible fix.
http://stackoverflow.com/questions/88...
Jonathan Cormier
02:11 PM Software Development: RE: How to get system time?
At least that file has the CLOCK_MONOTONIC in it but doesn't have clock_gettime... Jonathan Cormier
01:56 PM Software Development: RE: How to get system time?
Looks like you want linux/time.h located at /usr/local/oeore-i686/sysroots/armv5te-angstrom-linux-gnueabi/usr/include... Jonathan Cormier
01:53 PM Software Development: RE: How to get system time?
Where is the correct time.h file? There seem to be alot of them in various include directories.
#include <time.h>...
Mary Frantz
01:21 PM Software Development: RE: How to get system time?
And here is a discussion of CLOCK_REALTIME VS CLOCK_MONOTONIC.
http://stackoverflow.com/questions/3523442/difference...
Jonathan Cormier
01:19 PM Software Development: RE: How to get system time?
Not sure why it's not finding CLOCK_MONOTONIC, it's defined in time.h:
45 * The IDs of the various system clocks...
Dominic Giambo
01:01 PM Software Development: RE: How to get system time?
Thanks,
I added rt to the project Properties->C/C++ Build -> Settings -> Cross G++ Linker -> Libraries
I had alre...
Mary Frantz
12:39 PM Software Development: RE: How to get system time?
Hi Mary,
Be sure you are linking to the rt library which implements that call (as well as including the time.h hea...
Dominic Giambo
12:34 PM Software Development: RE: How to get system time?
Did you include <time.h> in your code? Michael Williamson
12:00 PM Software Development: How to get system time?
How do you get the system time in order to timestamp events?
Tried clock_gettime() but got a linker error: "undefi...
Mary Frantz
08:01 AM FPGA Development: RE: I2C issues on SLX45
Patched file is:
MDK/sw/ARM/linux/drivers/fpga/fpga_i2c.c
attached...
Conor O
07:56 AM FPGA Development: RE: I2C issues on SLX45
Wow, this is a while ago. If I remember correctly the FPGA i2c driver functioned correctly after Mike's changes but, ... Conor O
06:40 AM FPGA Development: RE: I2C issues on SLX45
Hello All,
Can you please tell me if your patch about I2C FPGA linux driver is available and working?
If yes, can...
Michele Canepa

02/25/2013

10:00 AM FPGA Development: RE: Programming FPGA on power up.
Got it sorted now, just noticed the loadaddr was incorrect
Rex Taylor
09:09 AM FPGA Development: RE: Programming FPGA on power up.
Hi
I am running MityDSP Development kit Module L138-FI-225-RC.
-Rex
Rex Taylor
09:05 AM FPGA Development: RE: Programming FPGA on power up.
Not seeing anything obvious. For the load process, I believe you need to specify an image size larger than the files... Michael Williamson
08:11 AM FPGA Development: Programming FPGA on power up.
Hello
We have been trying to save our .bin file to flash and load the FPGA on power up of our MityDSP.
Our boar...
Rex Taylor

02/21/2013

01:38 PM Software Development: RE: How to specify port in client/server application
I knew there was a simple answer. Thanks!
Here's the updated code, which compiles.
#include <stdio.h>
#inc...
Mary Frantz
12:39 PM Software Development: RE: How to specify port in client/server application
Hi Mary,
sockaddr_in is most certainly supported by the compiler. We use it all the time. The man page suggests y...
Michael Williamson
12:17 PM Software Development: RE: How to specify port in client/server application
Yes, I was just reading that. They use slightly different elements:
struct sockaddr_in serv_addr, cli_addr;
...
Mary Frantz
11:44 AM Software Development: RE: How to specify port in client/server application
here's a pretty decent tutorial on linux sockets...
http://www.linuxhowtos.org/C_C++/socket.htm
Tim Iskander
11:34 AM Software Development: How to specify port in client/server application
Hello,
I am running Linux on the ARM and DSP/BIOS on the DSP. I need to implement a client and server on a partic...
Mary Frantz

02/14/2013

09:53 PM Software Development: board support package
How do you configure / customize the tool chain to the mitydsp board? eg the current version of gnu compiler for the ... Krishna Vallabhaneni
10:53 AM Software Development: RE: Trouble with writing to UART2
Thank You for your help, Ultimately I need to use this on the PRU and I saw how TI is doing it through there Profibus... Jeremy Young
10:49 AM Software Development: RE: CLK frequency increase using DSP only
Check the Datasheet for the speed grade for the L138-FI-225-RC, though I think the F means CPU speed up to 456 MHz. ... Michael Williamson
10:46 AM Software Development: RE: CLK frequency increase using DSP only
OSCin is 24 MHz. It's fixed by the crystal on the part.
The documentation you would need to read is for the "TPS6...
Michael Williamson
10:41 AM Software Development: RE: CLK frequency increase using DSP only
Hi, I too would like to increase the running speed towards 456MHz. I have managed to change the speed as per your ins... Rex Taylor

02/13/2013

07:23 PM Software Development: RE: Trouble with writing to UART2
You need to use the TIOCRS485 ioctl on the serial port file descriptor with the serial_rs485 structure.
It involve...
Michael Williamson
07:08 PM Software Development: RE: Trouble with writing to UART2
Additionally, it appears the pin muxing was set up such that the GP0[9] was not selected due to AMUTE being selected ... Jeremy Young
06:41 PM Software Development: RE: Trouble with writing to UART2
I am using the 2.6.34 kernel and it appears it already has the patch applied. I was able to get it to work by reassig... Jeremy Young
03:06 PM Software Development: RE: Trouble with writing to UART2
Hi Jeremy / Tim,
The link Tim pointed you to is for the MityARM-335x, not the MityARM-180x, though a similar patch...
Michael Williamson
03:00 PM Software Development: RE: Trouble with writing to UART2
Jeremy
The RS485 board has an enable that must be managed. I believe you need a newer version of the driver to contr...
Tim Iskander
01:02 PM Software Development: Trouble with writing to UART2
I am having some difficulty with writing to the UART2 on the AM1810. I have everything setup such that I can read fro... Jeremy Young

02/12/2013

05:35 PM Software Development: RE: U-Boot Source Code
Hi Terrence,
To confirm: are you looking for u-Boot code, or the User Boot Loader (UBL) code?
As Jonathan and A...
Michael Williamson
05:00 PM Software Development: RE: U-Boot Source Code
Terrence,
The U-Boot source code is maintained in a GIT repository and not wholly contained in the MDK however a s...
Alexander Block
04:34 PM Software Development: RE: U-Boot Source Code
Also the git repository can be explored here. http://support.criticallink.com/gitweb/?p=u-boot-mitydspl138.git;a=summ... Jonathan Cormier
04:31 PM Software Development: RE: U-Boot Source Code
Have you checked the sw/ARM directory in the MDK?
-Jonathan
Jonathan Cormier
04:04 PM Software Development: U-Boot Source Code
Does anyone know where I can find the U-Boot (UBL version 1.65:2.28) source code? Does the UBL source come bundled w... Terrence Lawrence
10:12 AM Software Development: RE: Ethernet packet loss
Hi Mike,
We are using your L138-FG-225-RC in combination with a propriatary base (=industrial IO) board --> MII is c...
Stéphane Peter
10:07 AM Software Development: RE: Ethernet packet loss
Are you using a custom board? Are you using the MII or the RMII port? If RMII, what device is sourcing the referenc... Michael Williamson
09:35 AM Software Development: RE: Ethernet packet loss
Hi Mike,
It’s not a u-Boot/Linux problem.
We are running SysBios on the ARM after leaving ROM code…
Best regards
...
Stéphane Peter
07:13 AM Software Development: RE: Ethernet packet loss
Hello,
I looked at your E2E post, and I think I *may* understand the problem, but I am not sure.
By changing th...
Michael Williamson
 

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