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This commit is contained in:
Rafael Bachmann
2023-10-15 23:45:44 +02:00
parent 66e62e9994
commit 31d4516516
12 changed files with 123 additions and 143 deletions
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16
embassy-usb/src/class/midi.rs
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@ -27,9 +27,9 @@ const MIDI_OUT_SIZE: u8 = 0x09;
/// writing USB packets with no intermediate buffers, but it will not act like a stream-like port.
/// The following constraints must be followed if you use this class directly:
///
/// - `read_packet` must be called with a buffer large enough to hold max_packet_size bytes.
/// - `write_packet` must not be called with a buffer larger than max_packet_size bytes.
/// - If you write a packet that is exactly max_packet_size bytes long, it won't be processed by the
/// - `read_packet` must be called with a buffer large enough to hold `max_packet_size` bytes.
/// - `write_packet` must not be called with a buffer larger than `max_packet_size` bytes.
/// - If you write a packet that is exactly `max_packet_size` bytes long, it won't be processed by the
/// host operating system until a subsequent shorter packet is sent. A zero-length packet (ZLP)
/// can be sent if there is no other data to send. This is because USB bulk transactions must be
/// terminated with a short packet, even if the bulk endpoint is used for stream-like data.
@ -39,8 +39,8 @@ pub struct MidiClass<'d, D: Driver<'d>> {
}
impl<'d, D: Driver<'d>> MidiClass<'d, D> {
/// Creates a new MidiClass with the provided UsbBus, number of input and output jacks and max_packet_size in bytes.
/// For full-speed devices, max_packet_size has to be one of 8, 16, 32 or 64.
/// Creates a new `MidiClass` with the provided UsbBus, number of input and output jacks and `max_packet_size` in bytes.
/// For full-speed devices, `max_packet_size` has to be one of 8, 16, 32 or 64.
pub fn new(builder: &mut Builder<'d, D>, n_in_jacks: u8, n_out_jacks: u8, max_packet_size: u16) -> Self {
let mut func = builder.function(USB_AUDIO_CLASS, USB_AUDIOCONTROL_SUBCLASS, PROTOCOL_NONE);
@ -160,7 +160,7 @@ impl<'d, D: Driver<'d>> MidiClass<'d, D> {
/// Waits for the USB host to enable this interface
pub async fn wait_connection(&mut self) {
self.read_ep.wait_enabled().await
self.read_ep.wait_enabled().await;
}
/// Split the class into a sender and receiver.
@ -197,7 +197,7 @@ impl<'d, D: Driver<'d>> Sender<'d, D> {
/// Waits for the USB host to enable this interface
pub async fn wait_connection(&mut self) {
self.write_ep.wait_enabled().await
self.write_ep.wait_enabled().await;
}
}
@ -222,6 +222,6 @@ impl<'d, D: Driver<'d>> Receiver<'d, D> {
/// Waits for the USB host to enable this interface
pub async fn wait_connection(&mut self) {
self.read_ep.wait_enabled().await
self.read_ep.wait_enabled().await;
}
}