add i2s, read, remove SetAlternate

Author: burrbull

examples/rtic-i2s-audio-in-out.rs

@@ -80,9 +80,6 @@ mod app {
 
     use super::hal;
 
-    use hal::gpio::gpioa::*;
-    use hal::gpio::gpiob::*;
-    use hal::gpio::gpioc::*;
     use hal::gpio::Edge;
     use hal::gpio::NoPin;
     use hal::i2s::stm32_i2s_v12x::driver::*;
@@ -95,8 +92,8 @@ mod app {
 
     use rtt_target::{rprintln, rtt_init, set_print_channel};
 
-    type I2s2Driver = I2sDriver<I2s<SPI2, (PB12, PB13, PC6, PB15)>, Master, Receive, Philips>;
-    type I2s3Driver = I2sDriver<I2s<SPI3, (PA4, PC10, NoPin, PC12)>, Slave, Transmit, Philips>;
+    type I2s2Driver = I2sDriver<I2s<SPI2>, Master, Receive, Philips>;
+    type I2s3Driver = I2sDriver<I2s<SPI3>, Slave, Transmit, Philips>;
 
     // Part of the frame we currently transmit or receive
     #[derive(Copy, Clone)]

src/can.rs

@@ -27,11 +27,6 @@ can! { CAN2: Can2, can2 }
 #[cfg(feature = "can3")]
 can! { crate::pac::CAN3: Can3, can3 }
 
-pub struct Tx;
-impl crate::Sealed for Tx {}
-pub struct Rx;
-impl crate::Sealed for Rx {}
-
 /// Pins and definitions for models with a third CAN peripheral
 #[cfg(feature = "can3")]
 mod can3 {

src/gpio.rs

@@ -57,7 +57,6 @@
 use core::marker::PhantomData;
 
 pub mod alt;
-pub(crate) use alt::{Const, PinA, SetAlternate};
 mod convert;
 pub use convert::PinMode;
 mod partially_erased;
@@ -154,6 +153,8 @@ impl<MODE> marker::Interruptable for Output<MODE> {}
 impl marker::Interruptable for Input {}
 impl marker::Readable for Input {}
 impl marker::Readable for Output<OpenDrain> {}
+impl<const A: u8, Otype> marker::Interruptable for Alternate<A, Otype> {}
+impl<const A: u8, Otype> marker::Readable for Alternate<A, Otype> {}
 impl marker::Active for Input {}
 impl<Otype> marker::OutputSpeed for Output<Otype> {}
 impl<const A: u8, Otype> marker::OutputSpeed for Alternate<A, Otype> {}