rp2040 based gadget to convert PSX controllers into USB HID gamepads

Daniele Lacamera 0ed0d2407c Fixed buttons mapping 1 week ago
elf2uf2 94f642f13b Updated README/LICENSE 1 week ago
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pico-sdk 07ec72bfdc Initial commit 1 week ago
src 0ed0d2407c Fixed buttons mapping 1 week ago
.gitignore 07ec72bfdc Initial commit 1 week ago
CMakeLists.txt 07ec72bfdc Initial commit 1 week ago
LICENSE 94f642f13b Updated README/LICENSE 1 week ago
README.md 44f36ceee9 Add photo 1 week ago

README.md

PSX to USB HID controller converter

rp2040 (raspberry-pi pico) based device to convert PSX controllers to USB HID gamepads.

Photo of psx2usb

Components

  • one rp2040 board with 5 GPIO available
  • one PSX controller connector (female)

Selected pinout

The PSX connector controller port has the following pinout:

  1. Data
  2. Command
  3. 7.5V Rumble motor
  4. GND (also connected to the shield)
  5. 3.3V
  6. Attention
  7. Clock
  8. Not connected
  9. Acknowledge

PSX controller pinout [Image from consoledev.net]

PSX signal rp2040 GPIO Direction Description
Data 13 IN Receive ID, buttons and adc data from controller
Command 12 OUT Send read commands to controller
Attention 6 OUT Chip select (active low) for controller
Clock 5 OUT Clock serial communication for DATA/CMD lines
Acknowledge 3 IN Acknowledge command RX, active low

Installation

  • Run cmake && make
  • Start rp2040 in usb storage mode. Copy psx2usb.u2f to the device.
  • Reboot rp2040