DDCSV1.1 4 Axis controller

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Benedikt:
Interesting findings! I can't wait to see what you will find out!

The Development Kit is basically 30 mins from my doorstep now but it got caught up in customs :doh:
The seller was a little to honest with the value of the item. Usually, I have heard, they sometimes tweak the value a little.
Hopefully, UPS will allow me to pay the customs locally or even on my doorstep.
Can't wait to hold that DVD in my hands :beer:

Benedikt:
Hello!

The development board just arrived and it is just great.
It does not come with the full datasheet of the processor, however, we get very extensive information on how to configure the bootloader and burn the board.
We can actually change the splash screen image and load a new kernel if we really wanted to.
I have also been provided with the flashing tools and a huge amount of development tools, a virtual machine with everything set up and all the kernel headers and modules I need. :bow:

EDIT: I have just noticed the file I attached the last time was incomplete. Attached is a copy with all files present.
Also I have found out how to flash the DDCSV1.1 with a new image. This however might have killed my debug port inside my DDCSV1.1 (the USB part of it).
However I think I have completely found out how it would work. So the pins on the white debug connector that you need are:
UD+: Connect this to the green strand of a cut-off USB cable
UD-: Connect this to the white strand of that cable
GND: Connect this to the black strand of that cable
VBUS: Connect this to 3.3v of the same connector or the red strand of the cable (5v) (I am not entirely sure which of these is correct; 3.3v might work too)

Also bridge R91 (the two pins sticking out) with a jumper or cable.
If all that worked (and it did once for me until a cable slipped and fried the UD- pin :(), it should show up as a USB mass storage device (e.g. a USB hdd or USB stick) in your file manager after you turn it on.
At this point you can use nuvoTon Turbo Writer (if you happen to have a copy of it :thumbup:) to write a new boot kernel and splash screen image.
This did work fine with my development kit and I almost got it to work on my own controller. However any further research on kernels and splash screens will now be carried on on my development kit (same screen, same CPU, same RAM) and it should work the same on an actual controller.

Here are some pictures:

Cheers,
Benedikt

antonio:
Hi Bendikt,
many thanks for your good job with this device.
I've a question... the pandora configuration utility working only with new firmware?
becoyse I have try to put the usb memory with file before to power on the controller but no change found on setting parameters once switched...

Benedikt:

--- Quote from: antonio on March 03, 2017, 05:52:45 PM ---Hi Bendikt,
many thanks for your good job with this device.
I've a question... the pandora configuration utility working only with new firmware?
becoyse I have try to put the usb memory with file before to power on the controller but no change found on setting parameters once switched...

--- End quote ---
Thanks!
I am so sorry. There was a bug in the configurator :(
The file needs to be named userVar.set not userVar.set-) and has to be placed in the main directory of a FAT formatted USB stick.
I have just addressed the issue and pushed an update to the configurator that has fixed the issue.
The upgrade for the controller can't do any harm. I would recommend it, but it should not be required. It really helps a lot to understand the different settings however.

Kind regards,
Benedikt

antonio:
Many thanks for your kind reply.
I was sure about the bug and for this reason already changed the extension but no difference too...
I don't know way :doh:

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