# Install (optional, system‑wide) sudo cmake --install . | Language | Package Manager | Install Command | |----------|-----------------|-----------------| | Python | pip | pip install usbutil-py | | Rust | cargo | cargo add usbutil | | .NET | NuGet | dotnet add package UsbUtil.Net |
# Build cmake --build . --config Release
# Register callbacks usbutil.register_arrival_callback(device_arrived) usbutil.register_removal_callback(device_left)
def device_left(dev): print("Device removed") dev.release_interface(0) dev.close() thmyl brnamj usbutil v2.2
def device_arrived(dev): print(f"Device arrived: dev.vendor_id:04x:dev.product_id:04x") # Open and claim interface 0 dev.open() dev.claim_interface(0)
async fn async_bulk_read(dev: &UsbDevice) -> TransferResult let mut buf = vec![0u8; 1024]; dev.bulk_read_async(0x82, &mut buf).await
fn main() -> usbutil::Result<()> { let ctx = UsbContext::new()?; let dev = ctx.open_device(0x1234, 0x5678)?; # Install (optional, system‑wide) sudo cmake --install
/* Perform a bulk read on endpoint 0x81 */ rc = usbutil_bulk_read(dev, 0x81, buffer, sizeof(buffer), 5000); if (rc > 0) printf("Read %d bytes\n", rc); else fprintf(stderr, "Bulk read failed: %s\n", usbutil_strerror(rc));
# Create a build directory mkdir build && cd build
usbutil_close(dev); usbutil_exit(ctx); return 0; # Install (optional
rc = usbutil_open_by_vidpid(ctx, 0x1234, 0x5678, &dev); if (rc != USBUTIL_SUCCESS) usbutil_exit(ctx); return rc;
# Run an event loop for 30 seconds with usbutil.EventLoop() as loop: loop.run_until(timeout=30) use usbutil::UsbContext, UsbDevice, TransferResult; use futures::executor::block_on;
int main(void) usb_context *ctx = NULL; usb_device *dev = NULL; uint8_t buffer[512]; int rc;