nusb/examples/control.rs
Kevin d75a640d3e macos: Implement transfers
Includes code from ktemkin's `usrs` at commit 1800f8739c9fae47be13703525a7329dffe3891f
2023-11-18 20:11:58 -07:00

61 lines
1.8 KiB
Rust

use futures_lite::future::block_on;
use nusb::transfer::{ControlIn, ControlOut, ControlType, Recipient};
fn main() {
env_logger::init();
let di = nusb::list_devices()
.unwrap()
.find(|d| d.vendor_id() == 0x59e3 && d.product_id() == 0x0a23)
.expect("device should be connected");
println!("Device info: {di:?}");
let device = di.open().unwrap();
// Linux can make control transfers without claiming an interface
#[cfg(any(target_os = "linux", target_os = "macos"))]
{
let result = block_on(device.control_out(ControlOut {
control_type: ControlType::Vendor,
recipient: Recipient::Device,
request: 0x81,
value: 0x9999,
index: 0x9999,
data: &[1, 2, 3, 4],
}));
println!("{result:?}");
let result = block_on(device.control_in(ControlIn {
control_type: ControlType::Vendor,
recipient: Recipient::Device,
request: 0x81,
value: 0x9999,
index: 0x9999,
length: 256,
}));
println!("{result:?}");
}
// but we also provide an API on the `Interface` to support Windows
let interface = device.claim_interface(0).unwrap();
let result = block_on(interface.control_out(ControlOut {
control_type: ControlType::Vendor,
recipient: Recipient::Device,
request: 0x81,
value: 0x9999,
index: 0x9999,
data: &[1, 2, 3, 4],
}));
println!("{result:?}");
let result = block_on(interface.control_in(ControlIn {
control_type: ControlType::Vendor,
recipient: Recipient::Device,
request: 0x81,
value: 0x9999,
index: 0x9999,
length: 256,
}));
println!("{result:?}");
}