## PSX to USB HID controller converter

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

### Components
- one rp2040 board with 5 GPIO available
- one PSX controller connector (female)

### Selected pinout

| PSX signal | rp2040 GPIO | Direction | Description |
| ---------- | ----------- | --------- | ----------- |
| DATA       | 13 | IN | Receive ID, buttons and adc data from controller |
| CMD        | 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 |
| ACK        | 3 | IN  | Acknowledge command RX, active low |



### Installation

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