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usb: allow setting the interface string for interface alt settings

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This commit is contained in:
Matt Ickstadt 2023-01-13 12:08:25 -06:00
parent b0c8c688c7
commit 7ecb05ff77
4 changed files with 21 additions and 10 deletions
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19
embassy-usb/src/builder.rs
View File

@ -306,14 +306,25 @@ impl<'a, 'd, D: Driver<'d>> InterfaceBuilder<'a, 'd, D> {
/// Alternate setting numbers are guaranteed to be allocated consecutively, starting from 0.
///
/// The first alternate setting, with number 0, is the default one.
pub fn alt_setting(&mut self, class: u8, subclass: u8, protocol: u8) -> InterfaceAltBuilder<'_, 'd, D> {
pub fn alt_setting(
&mut self,
class: u8,
subclass: u8,
protocol: u8,
interface_string: Option<StringIndex>,
) -> InterfaceAltBuilder<'_, 'd, D> {
let number = self.next_alt_setting_number;
self.next_alt_setting_number += 1;
self.builder.interfaces[self.interface_number.0 as usize].num_alt_settings += 1;
self.builder
.config_descriptor
.interface_alt(self.interface_number, number, class, subclass, protocol, None);
self.builder.config_descriptor.interface_alt(
self.interface_number,
number,
class,
subclass,
protocol,
interface_string,
);
InterfaceAltBuilder {
builder: self.builder,

4
embassy-usb/src/class/cdc_acm.rs
View File

@ -171,7 +171,7 @@ impl<'d, D: Driver<'d>> CdcAcmClass<'d, D> {
iface.handler(control);
let comm_if = iface.interface_number();
let data_if = u8::from(comm_if) + 1;
let mut alt = iface.alt_setting(USB_CLASS_CDC, CDC_SUBCLASS_ACM, CDC_PROTOCOL_NONE);
let mut alt = iface.alt_setting(USB_CLASS_CDC, CDC_SUBCLASS_ACM, CDC_PROTOCOL_NONE, None);
alt.descriptor(
CS_INTERFACE,
@ -205,7 +205,7 @@ impl<'d, D: Driver<'d>> CdcAcmClass<'d, D> {
// Data interface
let mut iface = func.interface();
let data_if = iface.interface_number();
let mut alt = iface.alt_setting(USB_CLASS_CDC_DATA, 0x00, CDC_PROTOCOL_NONE);
let mut alt = iface.alt_setting(USB_CLASS_CDC_DATA, 0x00, CDC_PROTOCOL_NONE, None);
let read_ep = alt.endpoint_bulk_out(max_packet_size);
let write_ep = alt.endpoint_bulk_in(max_packet_size);

6
embassy-usb/src/class/cdc_ncm/mod.rs
View File

@ -254,7 +254,7 @@ impl<'d, D: Driver<'d>> CdcNcmClass<'d, D> {
mac_addr_str: [0; 12],
}));
let comm_if = iface.interface_number();
let mut alt = iface.alt_setting(USB_CLASS_CDC, CDC_SUBCLASS_NCM, CDC_PROTOCOL_NONE);
let mut alt = iface.alt_setting(USB_CLASS_CDC, CDC_SUBCLASS_NCM, CDC_PROTOCOL_NONE, None);
alt.descriptor(
CS_INTERFACE,
@ -304,8 +304,8 @@ impl<'d, D: Driver<'d>> CdcNcmClass<'d, D> {
let mut iface = func.interface();
iface.handler(state.data_control.write(DataControl {}));
let data_if = iface.interface_number();
let _alt = iface.alt_setting(USB_CLASS_CDC_DATA, 0x00, CDC_PROTOCOL_NTB);
let mut alt = iface.alt_setting(USB_CLASS_CDC_DATA, 0x00, CDC_PROTOCOL_NTB);
let _alt = iface.alt_setting(USB_CLASS_CDC_DATA, 0x00, CDC_PROTOCOL_NTB, None);
let mut alt = iface.alt_setting(USB_CLASS_CDC_DATA, 0x00, CDC_PROTOCOL_NTB, None);
let read_ep = alt.endpoint_bulk_out(max_packet_size);
let write_ep = alt.endpoint_bulk_in(max_packet_size);

2
embassy-usb/src/class/hid.rs
View File

@ -101,7 +101,7 @@ fn build<'d, D: Driver<'d>>(
let mut func = builder.function(USB_CLASS_HID, USB_SUBCLASS_NONE, USB_PROTOCOL_NONE);
let mut iface = func.interface();
iface.handler(control);
let mut alt = iface.alt_setting(USB_CLASS_HID, USB_SUBCLASS_NONE, USB_PROTOCOL_NONE);
let mut alt = iface.alt_setting(USB_CLASS_HID, USB_SUBCLASS_NONE, USB_PROTOCOL_NONE, None);
// HID descriptor
alt.descriptor(