Mity CPU Platforms » MityDSP-L138 (ARM9 Based Platforms)

06/10/2016

12:20 PM Software Development: Specifics on reserving DDR for PRU/ARM shared use

The note in the wiki article for getting started with PRU mentions the following:
??A safe design that wanted to u... Andrew Bean

11:34 AM Software Development: RE: Problems with the first time configuration

Hector, I'm not sure what commands you ran but the nand commands you show shouldn't have created this. It appears y... Jonathan Cormier

11:04 AM Software Development: RE: Problems with the first time configuration

I followed the Guide without errors advice, and at the final step I got the attached text (MKD_Update_End)
But whe... Hector Bojorquez

06/09/2016

06:04 PM Software Development: RE: Problems with the first time configuration

Hector Bojorquez wrote:
> >Both the nfsd and portmap services are not critical during boot and should not cause it t... Jonathan Cormier

05:51 PM Software Development: RE: Problems with the first time configuration

>Both the nfsd and portmap services are not critical during boot and should not cause it to hang. Its possible some... Hector Bojorquez

04:05 PM Software Development: RE: Problems with the first time configuration

Both the nfsd and portmap services are not critical during boot and should not cause it to hang. Its possible some ot... Jonathan Cormier

03:42 PM Software Development: RE: Problems with the first time configuration

Sorry I used to take pictures because the machine where is installed Vbox has no access to the network, even if I ne... Hector Bojorquez

01:47 PM Software Development: RE: Problems with the first time configuration

Hector Bojorquez wrote:
> Hi Jonathan,
>
> Since I got the HelloWorld I just played with some simple code and it ... Jonathan Cormier

11:32 AM Software Development: RE: Problems with the first time configuration

Hi Jonathan,
Since I got the HelloWorld I just played with some simple code and it worked well, but today when I t... Hector Bojorquez

06/02/2016

02:39 PM Software Development: RE: Pinmux changes back on its own

Hi Jonathan, thanks for looking into this. The L138 technical reference manual does show many of the SYSCFG registers... Andrew Bean

01:50 PM Software Development: RE: Pinmux changes back on its own

Found this post for the 335x which mentions that the pinmux registers are protected. Its likely this is also true fo... Jonathan Cormier

01:30 PM Software Development: RE: Pinmux changes back on its own

I can confirm that doesn't appear to work.... Jonathan Cormier

10:29 AM Software Development: RE: Pinmux changes back on its own

I was able to compile busybox (after making an empty syncfs() function in sync.c as a quick workaround), and here's w... Andrew Bean

01:39 PM PCB Development: RE: Questions about my product version

I got this:
>root@mityomapl138:~# dmesg | grep 'Part Number'
>MityOMAPL138: Part Number = 1810-DG-255-RC
So I ... Hector Bojorquez

01:22 PM PCB Development: RE: Questions about my product version

Hector,
To determine the model of a specific module please refer to the label that is located on the bottom side o... Alexander Block

01:14 PM PCB Development: RE: Questions about my product version

During the linux boot, it should print out the model number of the module. Here is what my L138 prints out:... Jonathan Cormier

12:25 PM PCB Development: Questions about my product version

Hello everybody,
I requested for a MitySOM-1810F + PROFIBUS-development kit from Avnet, and I got kind of confused... Hector Bojorquez

08:51 AM Software Development: RE: Problems with the first time configuration

Note the old filesystem has an outdated url for opkg. Angstrom moved their feeds to here: http://feeds.angstrom-dist... Jonathan Cormier

06/01/2016

05:50 PM Software Development: RE: Problems with the first time configuration

I changed it to the older toolchain and it works! , I will try to do the MDK updating
From: https://support.critic... Hector Bojorquez

05:01 PM Software Development: RE: Problems with the first time configuration

Correct link to forum post: https://support.criticallink.com/redmine/boards/10/topics/2559?r=4113#message-4113 Jonathan Cormier

05:00 PM Software Development: RE: Problems with the first time configuration

Note: If you're starting a new project, I recommend updating your filesystem to the latest MDK and using the newer to... Jonathan Cormier

04:58 PM Software Development: RE: Problems with the first time configuration

Hector Bojorquez wrote:
> Thanks again,
>
> I will check it with IT guys.
>
> I got in the MityDSP from the VM... Jonathan Cormier

04:39 PM Software Development: RE: Problems with the first time configuration

Thanks again,
I will check it with IT guys.
I got in the MityDSP from the VM with *_ssh root@192.168.0.151_* in... Hector Bojorquez

03:21 PM Software Development: RE: Pinmux changes back on its own

One difference with the busybox code is they seem to be taking pains to make sure their mmap is page aligned.
http... Jonathan Cormier

03:11 PM Software Development: RE: Pinmux changes back on its own

You can download the latest busybox and cross compile it. Should be something like below assuming you've set the too... Jonathan Cormier

03:00 PM Software Development: RE: Pinmux changes back on its own

It looks like devmem is missing from the version of busybox (v1.19.4) included with the 2014-01-13 root file system i... Andrew Bean

10:21 AM Software Development: RE: Pinmux changes back on its own

Do you have the same problem using the devmem utilty? It also uses the /dev/mem interface. If it works perhaps you ... Jonathan Cormier

10:18 AM Software Development: RE: Pinmux changes back on its own

I've played around with it a bit more, and it seems the issues does not have to do specifically with PINMUX registers... Andrew Bean

09:26 AM Software Development: RE: Pinmux changes back on its own

Strange, the only time the pinmux should get modified is during u-boot initialization and during kernel boot. Otherw... Jonathan Cormier

05/31/2016

02:15 PM Software Development: RE: Problems with the first time configuration

Hector Bojorquez wrote:
> Hi again!,
FYI, if you want to link to attachments in redmine, the syntax is @attachment:... Jonathan Cormier

01:04 PM Software Development: RE: Problems with the first time configuration

Hi again!,
Thanks Jonathan, It looks that it has already booted up in Linux +{Attached 1 Booting_up.jpg}+
I ha... Hector Bojorquez

05/27/2016

07:23 PM Software Development: Pinmux changes back on its own

I'm trying to set up PINMUX5 at address 0x01C14134 to have EPWM1A on the output. It seems to take on the desired valu... Andrew Bean

05/26/2016

09:48 AM Software Development: RE: Instructions to get going with the OMAP PWM

Andrew Bean wrote:
> I'm trying to get EPWM1A running with the MityDSP-L138 module and MityDSP-L138 (F) Family Devel... Jonathan Cormier

05/25/2016

11:30 PM Software Development: Instructions to get going with the OMAP PWM

I'm trying to get EPWM1A running with the MityDSP-L138 module and MityDSP-L138 (F) Family Development Kit.
1) Is the... Andrew Bean

02:53 PM Software Development: RE: Problems with the first time configuration

If this is the module that came with the devkit then it should boot into linux when powered on assuming you don't hit... Jonathan Cormier

02:06 PM Software Development: RE: Problems with the first time configuration

Hi Jonathan,
I'm using now TeraTerminal, my serial port is working OK and I got in the U-Boot prompt, I checked ... Hector Bojorquez

05/24/2016

07:27 PM Software Development: RE: PRU_gpioToggle example fails sometimes

So, I've been playing around with the example code more to try to get the interrupt wait() and clear() to work.
Th... Andrew Bean

02:00 PM Software Development: RE: PRU_gpioToggle example fails sometimes

In @static int LOCAL_exampleInit ( unsigned short prunum )@ of PRU_gpioToggle.c we need to have... Andrew Bean

11:42 AM Software Development: RE: PRU_gpioToggle example fails sometimes

So this is strange. I modified the gpioToggle code to have the following:... Andrew Bean

01:30 PM Software Development: RE: Problems with the first time configuration

Hector Bojorquez wrote at https://support.criticallink.com/redmine/projects/arm9-platforms/activity?from=2016-05-24:
... Jonathan Cormier

01:20 PM Software Development: RE: Starter Guide: "Boot the MityDSP-L138 up into linux." - How?

Hector, I'm going to respond in your other forum post.
https://support.criticallink.com/redmine/boards/10/topics/4825 Jonathan Cormier

12:05 PM Software Development: RE: Starter Guide: "Boot the MityDSP-L138 up into linux." - How?

Hi everyone, I'm starting with the PROFIBUS development kit and I was trying to follow the starter guide until I came... Hector Bojorquez

05/23/2016

11:11 PM Software Development: RE: PRU_gpioToggle example fails sometimes

This seems to be the same as one of the issues that Jonathan Cormier observed in the topic that you linked. E.g., "gp... Andrew Bean

10:30 PM Software Development: RE: PRU_gpioToggle example fails sometimes

Andrew,
Another user was able to successfully run the demos on the MityDSP-L138, but perhaps they didn't test thin... Bob Duke

07:53 PM Software Development: PRU_gpioToggle example fails sometimes

I'm having multiple issues with the PRU example PRU_gpioToggle. In short, it seems like some read/write operations to... Andrew Bean

05/20/2016

05:10 PM Software Development: RE: Problems with the first time configuration

Hi Jonathan,
I imagine that you always work with more experienced users :D , but I'm just starting with this kind... Hector Bojorquez

04:53 PM Software Development: RE: Problems with the first time configuration

Hector,
Sorry about all this. I am going to see if someone can add some detail to the Quick start guide about ini... Jonathan Cormier

04:35 PM Software Development: RE: Problems with the first time configuration

Thanks for the quick response,
??Running debug in this case has probably tried to run the program on the VM.... Hector Bojorquez

02:39 PM Software Development: RE: Problems with the first time configuration

Hector Bojorquez wrote:
> Hi everyone!
>
> I have just acquired the PROFIBUS development kit from Critical Link, ... Jonathan Cormier

02:14 PM Software Development: Problems with the first time configuration

Hi everyone!
I have just acquired the PROFIBUS development kit from Critical Link, I was trying to put it on follo... Hector Bojorquez