Hello!

I've stumbled upon this awesome project and I'd like some help with using it.

How do I configure the association between keyboard keys and gamepad buttons?

Thanks!

Hi Milador,

Thank you for sharing this solution. I'm going to use it to simulate joystick buttons for a lap counter software (UR30) in a slot car projet.

The virtual joystick appears in WIndows 10 control panel but there is no reactions of the button when i use the small tests program input_keyboard.py. Whatever i type through my SSH session on the raspbeery PiZero, i've never seen the button light on in the windows 10 joystick control panel....

The /dev/hidg0 is here and no errors in dmesg and from input_keyboard.py
I'm using an Raspbian Buster.

Any ideas ?

Thank you for your help.
Jean-Christophe

The goal is to reduce the steps for the end user by creating an IMG file with all the changes specified in various README files. Perhaps one IMG for XAC BT and one for NSGamepad BT.

• Create the ideal system with changes to usb_f_hid.ko, /etc/modules , /boot/config.txt, /etc/rc.local, etc.
• Expire the pi password so it must be changed.
• Remove SSH keys so they are regenerated?
• Remove your SSID/PSK from /etc/wpa_supplicant.conf!
• Shutdown and poweroff.
• Mount the SD card on a Linux system as a data drive.
• Shrink the ext4 partition using GParted.
• Save the card image to an IMG file and zip it.

The end user instructions reduce to the following.

• Download Raspberry Pi USB gadget BT zip file.
• Unzip to extract IMG file created above.
• Burn IMG to micro SD card.
• An optional step is to customize WiFi SSID/PSK. Create wpa_supplicant.conf on the FAT32 partition with the desired SSID and PSK.
• Plug SD Card into PiZW, Pi3A+, Pi4B, or Pi400.
• Continue with instructions on BT pairing, etc.

It may be possible to run a shell script to create the ideal system instead of doing the steps by hand specified in the README files.

One interesting raspi-config option is the Overlay File System. This effectively makes the rootfs read-only so power off without shutdown will not corrupt the rootfs. Configuration files can be stored in the boot partition which is FAT32 so configuration options can be changed on Windows or Mac.

The following is an attempt at single script to create an ideal system but is currently incomplete.

#!/usr/bin/env bash
sudo apt update
sudo apt install -y python3-pip python3-gpiozero python3-evdev git

cd
git clone https://github.com/milador/RaspberryPi-Joystick
cd RaspberryPi-Joystick/NSGamepad

# Update system files to load the USB gadget drivers, if needed.
grep --quiet "^dtoverlay=dwc2$" /boot/config.txt
if [ $? -eq 1 ]
then
    echo "dtoverlay=dwc2" | sudo tee -a /boot/config.txt
fi
grep --quiet "^dwc2$" /etc/modules
if [ $? -eq 1 ]
then
    echo "dwc2" | sudo tee -a /etc/modules
fi
grep --quiet "^libcomposite$" /etc/modules
if [ $? -eq 1 ]
then
    echo "libcomposite" | sudo tee -a /etc/modules
fi

# Install USB NS gadget on boot
chmod +x ns_gamepad_usb
sudo cp ns_gamepad_usb /usr/bin/
# Insert line in /etc/rc.local, if needed
grep --quiet "^/usr/bin/ns_gamepad_usb$" /etc/rc.local
if [ $? -eq 1 ]
then
    sudo sed -i '/^exit 0/i \
/usr/bin/ns_gamepad_usb' /etc/rc.local
fi

# TBD Update usb_f_hid.ko files. This required for XAC but not NS.

# TBD Install service?

# TBD Expire pi account password?

# TBD Remove SSH keys?

# Remove my SSID/PSK
sudo rm /etc/wpa_supplicant/wpa_supplicant.conf

#sudo raspi-config overlay-file-system turn on???
echo "Powering off so an IMG can be created from this microSD card."
sleep 1
sudo poweroff

NSGamepad configures the gadget device into a USB gamepad. With the help of a Mayflash Magic NS adapter (about $20), the Pi Zero gamepad can control a Nintendo Switch. See PR #5

Hi, I'm trying to test it on android phone but the phone doesn't recognize it as a controller, it recognize it as a power charger. Running the demo python script i receive error 108. Is there a way to fix it?

Hi, milador!

I admire your work! Thanks!
I followed your tutorial and I successfully created a USB HID joystick on the raspberry pi 4B and made my windows pc successfully receive data from the USB port.

My questions are as follows:
I am working on a RaspberryPi 4B. Since the controller needs to be moved, it cannot be connected using a USB cable. I want the RaspberryPi to emulate a Bluetooth gamepad like a ps4 Bluetooth wireless controller.

I'm trying to change the class of my Pi4B hci0 device to make the pc think the device is a Bluetooth Joystick. But I didn't succeed. The link is broken as soon as it is established.

Do you know how to make RaspberryPi 4B virtual a Bluetooth Joystick?
Looking forward to your reply.

thanks again!

GuoFei

Hello,
After following the installation my rpi zero W is being recognized as serial COM device (RNDIS/Ethernet gadget).
Tried to install it several times and checked on two windows10 PCs.

Which version of raspbian did you use?
I'm not sure where the problem is

I have followed the tuts for NSGamePad, 32 button and 16 button (filling in TBD manually) but I can't seem to get the device to do anything other than show "Device Descriptor Request Failed" on my windows 10 computer. Am I missing something?

Hi there, great work!
I wonder if it's possibile to wireup to the Raspberry the two usb port on the XAC to be able to use all the "controller buttons".
Thankyou

When I run all of the commands, I can only get as far as step 5 before I get this error.

sudo chmod +x 16_buttons_rpi_joystick_usb
chmod: cannot access '16_buttons_rpi_joystick_usb': No such file or directory

I'm using the program & Pi Zero to connect wheelchairs with Bluetooth Mouse support to the XAC

Works like a charm after fiddling with the settings.

However, there are some very nice bluetooth "VR Controllers" that i would love to connect to the XAC without gutting it open.
Would it be possible to add support for gamepad joysticks to "passthrough" the joystick command to the XAC?

Starting out with python, so i'm not able to code this myself.

I'd like the ability to make one program that can switch between any of the modes, like the Titan Two

The second byte of buttons (9-16) don't work. Joystick_16.py class needs to be fixed.

Create an applet with GUI which should allow users map keyboard keys and mice buttons according to their needs. This will can be done through python language.

Create a bluetooth connection applet which allows user to scan , pair, connect to bluetooth mice and bluetooth keyboards. This will offer options to enter pins and authentication which is not offered by bluetooth tool from top taskbar.

Using your USB device creation script and information from other locations I have turned the Zero into a Virtual Joystick with 32 buttons that can be triggered by the GPIO pins

https://github.com/tuxcomputers/Raspberrypi_joystick

I found the data your project sends for the joystick events was totally wrong for me.

https://github.com/tuxcomputers/Raspberrypi_joystick/blob/main/about_joysticks.md

That way you can use the keyboard for controls, and switch over to it acting as a keyboard for chatting, and back again when you're done

Followed all the steps and after rebooting and plugging into a windows PC, it comes up as a unknown USB device. It states the "Device Descriptor Request Failed".