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// yusb/src/test_helpers.rs
//
// Copyright (c) 2015, David Cuddeback
// 2019, Ilya Averyanov
// 2023, Frank Pagliughi
//
// Licensed under the MIT license:
// <LICENSE or http://opensource.org/licenses/MIT>
// This file may not be copied, modified, or distributed except according
// to those terms.
//
pub use std::ptr;
macro_rules! merge {
($default:expr => $($field:ident : $value:expr),*) => {
{
let mut x = $default;
$( x.$field = $value; )*
x
}
}
}
#[macro_export]
macro_rules! endpoint_descriptor {
($($key:ident : $value:expr),*) => {
merge!(
libusb1_sys::libusb_endpoint_descriptor {
bLength: 7,
bDescriptorType: 0x05,
bEndpointAddress: 0x00,
bmAttributes: 0x00,
wMaxPacketSize: 16,
bInterval: 1,
bRefresh: 1,
bSynchAddress: 0,
extra: $crate::test_helpers::ptr::null(),
extra_length: 0
} => $($key: $value),*
)
}
}
#[macro_export]
macro_rules! interface_descriptor {
($($key:ident : $value:expr),*) => {
merge!(
libusb1_sys::libusb_interface_descriptor {
bLength: 9,
bDescriptorType: 0x04,
bInterfaceNumber: 0,
bAlternateSetting: 0,
bNumEndpoints: 0,
bInterfaceClass: 0,
bInterfaceSubClass: 0,
bInterfaceProtocol: 0,
iInterface: 0,
endpoint: $crate::test_helpers::ptr::null(),
extra: $crate::test_helpers::ptr::null(),
extra_length: 0
} => $($key: $value),*
)
};
($($endpoint:expr),+) => {
{
let endpoints = vec![$($endpoint),+];
let r = libusb1_sys::libusb_interface_descriptor {
bLength: 9,
bDescriptorType: 0x04,
bInterfaceNumber: 0,
bAlternateSetting: 0,
bNumEndpoints: endpoints.len() as u8,
bInterfaceClass: 0,
bInterfaceSubClass: 0,
bInterfaceProtocol: 0,
iInterface: 0,
endpoint: (&endpoints[..]).as_ptr(),
extra: $crate::test_helpers::ptr::null(),
extra_length: 0
};
// leak the Vec so the returned pointer remains valid
::std::mem::forget(endpoints);
r
}
}
}
#[macro_export]
macro_rules! interface {
($($descriptor:expr),*) => {
{
let descriptors = vec![$($descriptor),*];
let r = libusb1_sys::libusb_interface {
altsetting: descriptors.as_ptr(),
num_altsetting: descriptors.len() as ::libc::c_int
};
// leak the Vec so the returned pointer remains valid
::std::mem::forget(descriptors);
r
}
}
}
#[macro_export]
macro_rules! config_descriptor {
($($key:ident : $value:expr),*) => {
merge!(
libusb1_sys::libusb_config_descriptor {
bLength: 9,
bDescriptorType: 0x02,
wTotalLength: 9,
bNumInterfaces: 0,
bConfigurationValue: 0,
iConfiguration: 0,
bmAttributes: 0x00,
bMaxPower: 10,
interface: $crate::test_helpers::ptr::null(),
extra: $crate::test_helpers::ptr::null(),
extra_length: 0
} => $($key: $value),*
)
};
($($interface:expr),+) => {
{
let interfaces = vec![$($interface),+];
let r = libusb1_sys::libusb_config_descriptor {
bLength: 9,
bDescriptorType: 0x02,
wTotalLength: 9,
bNumInterfaces: interfaces.len() as u8,
bConfigurationValue: 0,
iConfiguration: 0,
bmAttributes: 0x00,
bMaxPower: 10,
interface: (&interfaces[..]).as_ptr(),
extra: $crate::test_helpers::ptr::null(),
extra_length: 0
};
// leak the Vec so the returned pointer remains valid
::std::mem::forget(interfaces);
r
}
}
}
#[macro_export]
macro_rules! device_descriptor {
($($key:ident : $value:expr),*) => {
merge!(
libusb1_sys::libusb_device_descriptor {
bLength: 18,
bDescriptorType: 0x01,
bcdUSB: 0x0110,
bDeviceClass: 0,
bDeviceSubClass: 0,
bDeviceProtocol: 0,
bMaxPacketSize0: 16,
idVendor: 0x1234,
idProduct: 0x5678,
bcdDevice: 0x0123,
iManufacturer: 0,
iProduct: 0,
iSerialNumber: 0,
bNumConfigurations: 1
} => $($key: $value),*
)
}
}