1 files changed, 68 insertions, 0 deletions
diff --git a/usb-host/src/descriptor.rs b/usb-host/src/descriptor.rs
new file mode 100644
index 0000000..8461413
--- /dev/null
+++ b/usb-host/src/descriptor.rs
@@ -0,0 +1,68 @@
+#[derive(Clone, Copy, Debug)]
+pub enum DescriptorType {
+    Device = 1,
+    Configuration = 2,
+    String = 3,
+    Interface = 4,
+    Endpoint = 5,
+    DeviceQualifier = 6,
+    OtherSpeed = 7,
+    InterfacePower = 8,
+}
+
+#[derive(Copy, Clone, Debug)]
+#[repr(C, packed)]
+pub struct DeviceDescriptor {
+    pub b_length: u8,
+    pub b_descriptor_type: DescriptorType,
+    pub bcd_usb: u16,
+    pub b_device_class: u8,
+    pub b_device_sub_class: u8,
+    pub b_device_protocol: u8,
+    pub b_max_packet_size: u8,
+    pub id_vendor: u16,
+    pub id_product: u16,
+    pub bcd_device: u16,
+    pub i_manufacturer: u8,
+    pub i_product: u8,
+    pub i_serial_number: u8,
+    pub b_num_configurations: u8,
+}
+
+#[derive(Copy, Clone, Debug)]
+#[repr(C, packed)]
+pub struct ConfigurationDescriptor {
+    pub b_length: u8,
+    pub b_descriptor_type: DescriptorType,
+    pub w_total_length: u16,
+    pub b_num_interfaces: u8,
+    pub b_configuration_value: u8,
+    pub i_configuration: u8,
+    pub bm_attributes: u8,
+    pub b_max_power: u8,
+}
+
+#[derive(Copy, Clone, Debug)]
+#[repr(C, packed)]
+pub struct InterfaceDescriptor {
+    pub b_length: u8,
+    pub b_descriptor_type: DescriptorType,
+    pub b_interface_number: u8,
+    pub b_alternate_setting: u8,
+    pub b_num_endpoints: u8,
+    pub b_interface_class: u8,
+    pub b_interface_sub_class: u8,
+    pub b_interface_protocol: u8,
+    pub i_interface: u8,
+}
+
+#[derive(Copy, Clone, Debug)]
+#[repr(C, packed)]
+pub struct EndpointDescriptor {
+    pub b_length: u8,
+    pub b_descriptor_type: DescriptorType,
+    pub b_endpoint_address: u8,
+    pub bm_attributes: u8,
+    pub w_max_packet_size: u16,
+    pub b_interval: u8,
+}