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

12/27/2017

09:57 AM Software Development: RE: Changing UART1 to UART2 in Linux Kernel

Just noticed I left the @bootargs@ as @ttyS1@.
Changing that to @ttyS2@ solved that issue.
Sorry, I wasn't expectin... Okan Çalış

05:32 AM Software Development: Changing UART1 to UART2 in Linux Kernel

Hi,
We've been working on a MityDsp-L138F board, and I can boot to Linux with NFS, with the following environment va... Okan Çalış

12/21/2017

11:56 AM Software Development: Low frequency input (5 Hz to 20KHz processing) for mitydspl138F

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

12/12/2017

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