nanoDLP

1125lbs

Member

Registered: 2017-03-15

Posts: 81

Raspberry Pi3 + Display touch 7"

Hi fellows,

I just install the image on sd, i would like to know how i enable the touch display, anyone could help ?

https://www.element14.com/community/doc … en-display

1125lbs

Member

Registered: 2017-03-15

Posts: 81

Re: Raspberry Pi3 + Display touch 7"

to be more specific how i swap monitor output, i need to set projection screen thru hdmi output

1125lbs

Member

Registered: 2017-03-15

Posts: 81

Re: Raspberry Pi3 + Display touch 7"

https://github.com/guysoft/FullPageOS#fullpageos

Shahin

Administrator

Registered: 2016-02-17

Posts: 3,541

Re: Raspberry Pi3 + Display touch 7"

You can choose display output, by filling display number input on the setup page.
But as nanodlp do not use X Window, it will difficult to display anything on your touch display.

1125lbs

Member

Registered: 2017-03-15

Posts: 81

Re: Raspberry Pi3 + Display touch 7"

https://www.raspberrypi.org/forums/view … 08#p890408

https://www.raspberrypi.org/forums/view … 08#p890408

Last edited by 1125lbs (2017-03-19 15:10:47)

Belal

Member

Registered: 2017-09-10

Posts: 46

Re: Raspberry Pi3 + Display touch 7"

Any progress with adding the display ?

mynanodlpusername

Member

Registered: 2018-02-08

Posts: 1

Re: Raspberry Pi3 + Display touch 7"

I would really appreciate this as well. I tried the 4" tibus screen, but it was way too small. the 7" raspberry pi foundation touchscreen would be perfect and only need to run a headless web browser pointed at 127.0.0.1 to make it work.

if you could get both displays working that is. I'm looking into this, but it's not trivial.

Greg209

Member

Registered: 2018-04-25

Posts: 6

Re: Raspberry Pi3 + Display touch 7"

Not sure if you've made an progress on this but I'm using and iPad LCD (via HDMI controller) as the projection screen and a 3.5 TonTec (not great) LCD touch screen as an interface on the printer. It touch lcd runs X and headless Chromium browser pointing to my own wrapper interface for nanoDLP (small screen + big buttons + limited functionality and extras). So it is possible but isn't obvious and will be different for your on LCDs/drivers.

Anyway, here's what I've got....

For MY Tontec touch screen I have this configured as follows in the /boot/config.txt.

dtoverlay=mz61581

and in the /usr/share/X11/xorg.conf.d/99-fbturbo.conf I changed the fb0 to an fb1.

Option "fbdev" "/dev/fb1"

For the iPad LCD projection screen:

    disable_overscan=1
    framebuffer_width=2048
    framebuffer_height=1536
    hdmi_force_hotplug=1
    hdmi_group=2
    hdmi_mode=87
    config_hdmi_boost=4
    hdmi_pixel_encoding=2
    dtparam=i2c1=on
    hdmi_cvt 2048 1536 30 1 0 0 0
    display_rotate=0x10000

I think that was all the config I had to change (but may have missed something).

Let me know how you get on.

Thanks

Greg