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

12/12/2017

11:13 PM FPGA Development: RE: Core Creation Guidelines

Jorden Luke wrote:
> I am trying to get some help with this one as well. Is there are up date to this one?
It doe... Jonathan Cormier

06:52 PM FPGA Development: RE: Core Creation Guidelines

I am trying to get some help with this one as well. Is there are up date to this one? Jorden Luke

12/11/2017

05:01 PM Software Development: RE: Loading kernel to SPI flash and Root file system .jffs2 to NAND.

Vivek Ponnani wrote:
> My queries are as below
>
> 1) I checked *Installing the Kernel on SPI - FLASH* topic unde... Jonathan Cormier

02:24 PM Software Development: Loading kernel to SPI flash and Root file system .jffs2 to NAND.

Hi,
I have a custom board with
1) MityDspl-138F module (with FPGA)
2) No Ethernet port
3) UART,USB,SD CARD int... Vivek Ponnani

12/01/2017

02:22 PM Software Development: RE: I

Okan Çalış wrote:
> I apologize for the awkward subject; it was meant to be _"Interrupts Between Linux and DSP witho... Jonathan Cormier

10:57 AM Software Development: RE: I

I apologize for the awkward subject; it was meant to be _"Interrupts Between Linux and DSP without BIOS"_, but it loo... Okan Çalış

10:52 AM Software Development: Interrupts Between Linux and DSP without BIOS

Hi,
I've been working on a MityDsp-L138F with Linux Ångström.
I'm able to use the 128-KB shared RAM for inter-p... Okan Çalış

11/29/2017

10:06 PM FPGA Development: RE: Alternate GPIO Control

Greq, good point WRT the inouts... thanks for bringing it up. In our case they were going to be dedicated outputs. Ei... Tom Riddle

09:39 PM FPGA Development: RE: Alternate GPIO Control

Hi Tom,
One concern I have regarding your proposed approach would be the case of your GPIOs needing to be run-tim... Gregory Gluszek

07:23 PM FPGA Development: Alternate GPIO Control

Hi,
Direct GPIO control from the L138 is pretty nice to have. In our current task we need a number of GPIOs, more... Tom Riddle

02:28 PM Software Development: RE: How to activate splash screen

Note you can load the fpga from u-boot. https://support.criticallink.com/redmine/projects/arm9-platforms/wiki/Program... Jonathan Cormier

02:27 PM Software Development: RE: How to activate splash screen

The LCD requires the fpga to be programmed if your using a L138 with fpga. Perhaps that's whats holding the LCD off ... Jonathan Cormier

06:28 AM Software Development: RE: How to activate splash screen

I found out that the psplash service in /lib/systemd/system is not available. so i make a psplash.service script
<... Andri Haryono

11/28/2017

10:36 PM PCB Development: RE: Supplying an external PCB

Alex Thanks... that's helpful. Regs, Tom Tom Riddle

10:11 PM PCB Development: RE: Supplying an external PCB

Tom,
We have used these (https://www.digikey.com/products/en?keywords=87759-5050) on a couple of our expansion boa... Alexander Block

08:05 PM PCB Development: RE: Supplying an external PCB

Hi, One additional question. The Industrial I/O dev kit doc mentions the Expansion IO Interface mating connectors is ... Tom Riddle

07:43 PM PCB Development: RE: Supplying an external PCB

excellent thanks... Tom Riddle

06:24 PM PCB Development: RE: Supplying an external PCB

+5V supply Pins 1,2 on J104
"TPS5430":http://www.ti.com/lit/ds/symlink/tps5430.pdf 3A continuous
Note: 3A at 5V... Jonathan Cormier

05:43 PM PCB Development: Supplying an external PCB

Hi, We're going to be running a few development boards off of the MityDSP L138. For one we plan to use the +12VF from... Tom Riddle

07:42 PM Software Development: RE: creating a new rootfilesystem

Jonathan... thanks for the clarification, that helps. Regs, Tom Tom Riddle

06:05 PM Software Development: RE: creating a new rootfilesystem

Tom Riddle wrote:
> So during this task I familiarized myself again (it has been a few years) with the yocto dev p... Jonathan Cormier

05:53 PM Software Development: RE: creating a new rootfilesystem

Hi, I was able to get pulseaudio going with opkg and could stream as required over the network. Thanks for the assist... Tom Riddle

02:40 PM Software Development: RE: How to activate splash screen

On the MDK 2014 filesystem, psplash is started first thing during rcS. I don't have my dev kit setup for a display r... Jonathan Cormier

09:00 AM Software Development: How to activate splash screen

Hi everyone,
I found psplash in the root file system and currently able to modify the screen.
However, I can't ac... Andri Haryono

11/20/2017

10:18 PM Software Development: RE: creating a new rootfilesystem

Hi... never mind, need to install the pulseaudio-server. looks good now, thanks. Tom Tom Riddle

09:58 PM Software Development: RE: creating a new rootfilesystem

Hi,
It's the opkg update that I needed to execute. Ok, so now there are quite a few pulseaudio pkgs that are liste... Tom Riddle

09:28 PM Software Development: RE: creating a new rootfilesystem

... Jonathan Cormier

09:19 PM Software Development: RE: creating a new rootfilesystem

Hi Jonathan,
Hmmm a check here doesn't list pulseaudio. I'm pretty sure that I flashed on this board the mity-omap... Tom Riddle

03:50 PM Software Development: RE: creating a new rootfilesystem

Note this is for the 2014 MDK filesystem. Jonathan Cormier

03:49 PM Software Development: RE: creating a new rootfilesystem

It does appear that pulseaudio is available in the opkg package list so you could try installing it using @opkg insta... Jonathan Cormier

03:43 PM Software Development: RE: creating a new rootfilesystem

Hi Greg,
Thanks. Our immediate task is to add pulseaudio to our MityDSP system, we will be integrating some extern... Tom Riddle