USB host/device implementation using PIO of raspberry pi pico (RP2040).
Pico-PIO-USB
USB host/device implementation using PIO of raspberry pi pico (RP2040).
You can add additional USB port to RP2040.
🚧This library is WIP. API may be changed drastically in future.🚧
Demo
demo.mp4
Project status
Planned Features
Status
FS Host
✔
LS Host
✔
Hub support
✔
Multi port
✔
FS Device
✔
Examples
capture_hid_report.c is a USB host sample program which print HID reports received from device. Open serial port and connect devices to pico. Default D+/D- is gp0/gp1. Call pio_usb_add_port() to use additional ports.
usb_device.c is a HID USB FS device sample which moves mouse cursor every 0.5s. External 1.5kohm pull-up register is necessary to D+ pin (Default is gp0).
cd example
mkdir build
cd build
cmake ..
make
# Copy UF2 file in capture_hid_report/ or usbdevice/ to RPiPico
Another sample program for split keyboard with QMK