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Re: Pi Supply Gert VGA 666 shipping.

Posted: Wed Dec 24, 2014 1:23 am
by BMS Doug
I've been trying all night (well since 9pm) to get this working, without any joy.

A+ with usb hub with wifi, keyboard and mouse.

OS is the latest (09/09/14) raspbian, freshly loaded to sd
(Several fresh sd cards waiting to go.)
DirkS wrote: 1. if necessary install rpi-update:

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sudo apt-get update
sudo apt-get install rpi-update
done.

2. update to current firmware / kernel:

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sudo rpi-update
No need to reboot yet.
done.
Rebooted successfully at this stage on 2nd sd card.


3. Download configuration file for the board:

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wget https://github.com/fenlogic/vga666/blob/master/setup/dt-blob-dpi.bin
sudo mv dt-blob-dpi.bin /boot/dt-blob.bin
done

4. Add settings for the board to /boot/config.txt

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sudo nano /boot/config.txt
and add the following lines

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enable_dpi_lcd=1
display_default_lcd=1
This will enable the board and make it the default display
done

5. It is necessary to blacklist spi and i2c, otherwise the vga666 will not function correctly.

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sudo nano /etc/modprobe.d/vga666-blacklist.conf
and add these lines

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blacklist spi-bcm2708
blacklist i2c-bcm2708
done

6 Now reboot; if everything is ok then it should come up with VGA resolution (640x480)
blank screen except for "no pc input"

7 Now adjust the resolution for your monitor (see http://www.raspberrypi.org/documentatio ... fig-txt.md)
For the vga board use 'dpi_' instead of 'hdmi_'
For example, adding these lines to /boot/config.txt

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dpi_group=2
dpi_mode=35
Would be the equivalent of hdmi_group 2 (DMT), mode 35 (1280 x 1024 @ 60Hz)
And it works nicely with my old Acer AL1711 monitor :)
can't access these.

HTH
Dirk.

Re: Pi Supply Gert VGA 666 shipping.

Posted: Wed Dec 24, 2014 8:38 am
by DirkS
BMS Doug wrote:I've been trying all night (well since 9pm) to get this working, without any joy.

A+ with usb hub with wifi, keyboard and mouse.
Went through the whole procedure on an A+ and also ran into problems.
I just noticed that the dt-blob.bin on my B+ is different from the one on my A+... investigating.

Gr.
Dirk

Re: Pi Supply Gert VGA 666 shipping.

Posted: Wed Dec 24, 2014 8:46 am
by DirkS
DirkS wrote:
BMS Doug wrote:I've been trying all night (well since 9pm) to get this working, without any joy.

A+ with usb hub with wifi, keyboard and mouse.
Went through the whole procedure on an A+ and also ran into problems.
I just noticed that the dt-blob.bin on my B+ is different from the one on my A+... investigating.
Mea culpa...
I pasted the wrong link to the dt-blob file.
Step 3 should be

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wget https://raw.githubusercontent.com/fenlogic/vga666/master/setup/dt-blob-dpi.bin
sudo mv dt-blob-dpi.bin /boot/dt-blob.bin
HTH
Dirk.

Re: Pi Supply Gert VGA 666 shipping.

Posted: Wed Dec 24, 2014 8:52 am
by DougieLawson
Is it a full DTB blob or an overlay?

In /boot/config.txt add

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device_tree=bcm2708-rpi-b.dtb
device_tree_overlay=overlays/bcm2708-rpi-b-overlay.dtb
and you can override the default names for the blobs.

Re: Pi Supply Gert VGA 666 shipping.

Posted: Wed Dec 24, 2014 10:29 am
by BMS Doug
DirkS wrote:
DirkS wrote:
BMS Doug wrote:I've been trying all night (well since 9pm) to get this working, without any joy.

A+ with usb hub with wifi, keyboard and mouse.
Went through the whole procedure on an A+ and also ran into problems.
I just noticed that the dt-blob.bin on my B+ is different from the one on my A+... investigating.
Mea culpa...
I pasted the wrong link to the dt-blob file.
Step 3 should be

Code: Select all

wget https://raw.githubusercontent.com/fenlogic/vga666/master/setup/dt-blob-dpi.bin
sudo mv dt-blob-dpi.bin /boot/dt-blob.bin
HTH
Dirk.
Yup, that got it, now I have the message
Unsupported signal, adjust your PC output
So I just have to tweak some settings.

Edit: Tweaking did work btw, My (fairly old) TV only supports 1360x768 as a VGA input so when I set:

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dpi_group=2
dpi_mode=39 
It worked.

Re: Pi Supply Gert VGA 666 shipping.

Posted: Sun Dec 20, 2015 1:20 pm
by Guru7
can i use my raspberry pi 2 model. it has 40 pin GPIO

Re: Pi Supply Gert VGA 666 shipping.

Posted: Sun Dec 20, 2015 3:44 pm
by rpdom
Guru7 wrote:can i use my raspberry pi 2 model. it has 40 pin GPIO
Yes.