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

09/02/2014

08:33 AM Software Development: RE: How to probe the fpga_ctrl & fpga_gpio.ko module

Have you made any progress with this problem? Jonathan Cormier

08/19/2014

11:31 AM Software Development: RE: How to probe the fpga_ctrl & fpga_gpio.ko module

yes,
echo "146" > /sys/class/gpio/export --> sh: write error: Invalid argument
it may be that fpga_gpio... HYUNG KI KIM

08:50 AM Software Development: RE: How to probe the fpga_ctrl & fpga_gpio.ko module

Did you mean ... Jonathan Cormier

08:26 AM Software Development: RE: How to probe the fpga_ctrl & fpga_gpio.ko module

HYUNG KI KIM wrote:
> I'm tryint to control FPGA of GPIO on the linux driver side with MityL138-DSP(L138-FI-236-RL)... HYUNG KI KIM

08:24 AM Software Development: RE: How to probe the fpga_ctrl & fpga_gpio.ko module

HYUNG KI KIM wrote:
> I'm tryint to control FPGA of GPIO on the linux driver side with MityL138-DSP(L138-FI-236-RL)... HYUNG KI KIM

08:23 AM Software Development: How to probe the fpga_ctrl & fpga_gpio.ko module

I'm tryint to control FPGA of GPIO on the linux driver side with MityL138-DSP(L138-FI-236-RL) mdule.
and, loading t... HYUNG KI KIM

08/18/2014

04:31 PM PCB Development: RE: Protecting MityDSP module during development

Hi Udi,
Yes the FPGA I/Os can be damaged by sinking too much current - powered or off. The I/Os have protection d... Adam Dziedzic

03:39 PM PCB Development: Protecting MityDSP module during development

We just fried a MityDSP L138F module, and I'm not sure why. I'm suspecting that the problem was that we had an ADC mo... Udi Fuchs

08/11/2014

09:21 AM Software Development: RE: DSP HelloWorld Compile with gcc 4.3.3

tftp stalls when I set the block size larger than the standard MTU size (1500 - overhead = 1468). According to the so... Jonathan Cormier

09:06 AM Software Development: RE: DSP HelloWorld Compile with gcc 4.3.3

Glad that you got it working. I've never used the block size feature. I'll check out what affect it has on my tftp d... Jonathan Cormier

08/08/2014

03:20 PM Software Development: RE: DSP HelloWorld Compile with gcc 4.3.3

Successful tftp transfer of mityomap-full.jffs2 from VM to L138 ARM core! Tried setting the blocksize to 4096 in u-bo... Doug Browning

12:58 PM Software Development: RE: DSP HelloWorld Compile with gcc 4.3.3

Occasionally I see timeouts during the transfer but I haven't seen windows or the vm crash during a tftp transfer.
... Jonathan Cormier

10:52 AM Software Development: RE: DSP HelloWorld Compile with gcc 4.3.3

Thank you for the filesystem update procedures. I was able to successfully complete steps 1-5 (writing UBL_SPI_MEM.a... Doug Browning