Adafruit PiTFT Touchscreen Display for RPi

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waggotamp
 
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Joined: Tue Oct 07, 2014 10:42 pm

Re: Adafruit PiTFT Touchscreen Display for RPi

Post by waggotamp »

Trying to get the 1601 resistive touch screen to work with my Pi B+

I just get a black screen with a _ in the top left corner?

If I plug in my HDMI I can see the screen but with no bottom bar.

Any ideas?

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adafruit2
 
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Joined: Fri Mar 11, 2005 7:36 pm

Re: Adafruit PiTFT Touchscreen Display for RPi

Post by adafruit2 »

it sounds like its working but you dont have the right FRAMEBUFFER variable
if you want it to boot into X on the PiTFT see
https://learn.adafruit.com/adafruit-pit ... s-on-pitft

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waggotamp
 
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Re: Adafruit PiTFT Touchscreen Display for RPi

Post by waggotamp »

Still not working, I fail to see how this is a 'easy install'

I'm trying to show my Daughter how the pi works, just getting nowhere. She's already left!

Is there anyway I can check to see if things are correct with the installation?

I need a breakthrough here or my Adafruit purchases will come to an abrupt stop.

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adafruit2
 
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Re: Adafruit PiTFT Touchscreen Display for RPi

Post by adafruit2 »

download and burn this exact image
https://learn.adafruit.com/adafruit-pit ... o-go-image
to a 4G or larger SD card

do not do anything else, just boot that, if you see the raspberry pi boot onto the piTFT then the hardware works. for more details, read the rest of the tutorial, there's a lot of options with the PiTFT screen!

if you want to show someone how a Pi works in general, an HDMI screen is a better choice - the PiTFT is quite small, not for running Scratch or Minecraft :)

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waggotamp
 
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Re: Adafruit PiTFT Touchscreen Display for RPi

Post by waggotamp »

Hi there

I will try this one more time! This is the very same image I have been trying to get to work.

I had formatted my card correctly SD card formatter.

I have tried both Mac and Windows versions. We are using a new 4gb card with the image installer.

The Pi boot, we see the terminal in the screen, and then it goes to the black with the white _ in the top corner.

Over a dozen attempts at the 'easy install'.

BUT... I did get it working!

Thanks for your help.

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alexalmeidabr
 
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Joined: Tue Jun 23, 2015 11:31 am

Re: Adafruit PiTFT Touchscreen Display for RPi

Post by alexalmeidabr »

Hello, I just want to mention that this post also helped me, but in my case, the name of the file is 99-pitft.conf
adafruit2 wrote:if you created the file with:

Section "Device"
Identifier "Adafruit PiTFT"
Driver "fbdev"
Option "fbdev" "/dev/fb1"
EndSection

you have to change
Option "fbdev" "/dev/fb1"
to
Option "fbdev" "/dev/fb0" (thats a zero!)

and reboot, try that

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