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usb: add add_class to builder, so that FooBarClass::new(&mut builder) can set up everything.

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This commit is contained in:
Dario Nieuwenhuis
2022-03-28 02:20:01 +02:00
parent a062baae38
commit a2f5763a67
5 changed files with 110 additions and 131 deletions
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7
embassy-usb/src/lib.rs
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@ -14,6 +14,7 @@ pub mod types;
mod util;
use class::ControlInRequestStatus;
use heapless::Vec;
use self::class::{RequestStatus, UsbClass};
use self::control::*;
@ -53,6 +54,8 @@ pub const CONFIGURATION_VALUE: u8 = 1;
/// The default value for bAlternateSetting for all interfaces.
pub const DEFAULT_ALTERNATE_SETTING: u8 = 0;
pub const MAX_CLASS_COUNT: usize = 4;
pub struct UsbDevice<'d, D: Driver<'d>> {
bus: D::Bus,
control: D::ControlPipe,
@ -67,7 +70,7 @@ pub struct UsbDevice<'d, D: Driver<'d>> {
self_powered: bool,
pending_address: u8,
classes: &'d mut [&'d mut dyn UsbClass],
classes: Vec<&'d mut dyn UsbClass, MAX_CLASS_COUNT>,
}
impl<'d, D: Driver<'d>> UsbDevice<'d, D> {
@ -77,7 +80,7 @@ impl<'d, D: Driver<'d>> UsbDevice<'d, D> {
device_descriptor: &'d [u8],
config_descriptor: &'d [u8],
bos_descriptor: &'d [u8],
classes: &'d mut [&'d mut dyn UsbClass],
classes: Vec<&'d mut dyn UsbClass, MAX_CLASS_COUNT>,
) -> Self {
let control = driver
.alloc_control_pipe(config.max_packet_size_0 as u16)