[Guide]Use a Wavehare 3.5In SPI TFT Screen

[cyberbalsa]

• First, SSH into your pwnagotchi, and give it some internet! Don't forget to check your default gateway and apt-get update
• Follow Guide here: https://www.waveshare.com/wiki/3.5inch_RPi_LCD_(A)#Method_1._Driver_installation
• At the step with ./LCD35-show add lite to the command prompt (./LCD35-show lite)
• Reboot
• as root, make three symlinks, cd ~; ln -s pwnagotchi.png pwnagotchi_1.png; ln -s pwnagotchi.png pwnagotchi_2.png; ln -s pwnagotchi.png pwnagotchi_3.png;
• apt install fbi
• change display type to "inky" in config.yml
• add "modules-load=dwc2,g_ether" to your kernel command line ( /boot/cmdline.txt ) or it will break!
• Also must add "dtoverlay=dwc2" to the bottom of ( /boot/config.txt )
• edit /etc/rc.local and add
  fbi -T 1 -a -noverbose -t 15 -cachemem 0 /root/pwnagotchi_1.png /root/pwnagotchi_2.png /root/pwnagotchi_3.png &

reboot and you should be good, some of this guide will work with other framebuffer based displays!

[evilsocket]

@hexwaxwing mind adding this to the docs?

[hexwaxwing]

Derek assign: hexwaxwing

[evilsocket]

closed by @hexwaxwing

[michelep]

Following this guide LCD displays phwagotchi just for few seconds before login prompt: i've solved using the autologin features (use raspi-config) and changing the line to add to /etc/rc.local as follow:

ln -s /root/pwnagotchi.png /tmp/pwnagotchi_1.png; ln -s /root/pwnagotchi.png /tmp/pwnagotchi_2.png; ln -s /root/pwnagotchi.png /tmp/pwnagotchi_3.png;

on /etc/profile i've added, at the end:

. /home/pi/pwnagotchi.sh

and /home/pi/pwnagotchi.sh contains:

#!/bin/bash
sudo fbi -T 1 -a -noverbose -t 15 -cachemem 0 /tmp/pwnagotchi_1.png /tmp/pwnagotchi_2.png /tmp/pwnagotchi_3.png &

Just remember to chmod +x pwnagotchi.sh !

[moty66]

This hack is really working bad and not clear at all

I suggest to execute this code from in rc.local or from /etc/profile or where ever you want:

PID=0
while true; do
        PID=$(pidof fbi)
        fbi -d /dev/fb1 -T 1 -noverbose -a /root/pwnagotchi.png  > /dev/null
        sleep 1
        if ps -p $PID > /dev/null
        then 
                kill $PID
        fi
done

I didn't load any kernel modules, I didn't edit the /boot/config.txt file, I only installed the driver as described in https://www.waveshare.com/wiki/3.5inch_RPi_LCD_(A)#Method_1._Driver_installation!

[michelep]

I've worked to a more stable solution, adding support for Waveshare 2,4" LCD display (could be adapted to 3,5") directly in pwnagotchi code. Take a look here: https://www.zerozone.it/tecnologia-e-sicurezza/fatgotchi-pwnagotchi-on-a-24inch-spotpear-display/16589