aboutsummaryrefslogtreecommitdiffstats
path: root/usb-host/src/descriptor.rs
blob: 8461413f1b0d41d8bb8d958524ef56bc0b06b433 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
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,
}