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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
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@ -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,