wip: skelton for PD peripheral

build.rs

@@ -388,6 +388,9 @@ fn main() {
         // USB is splitted into multiple impls
         (("usbd", "DP"), quote!(crate::usbd::DpPin)),
         (("usbd", "DM"), quote!(crate::usbd::DmPin)),
+        // USBPD
+        (("usbpd", "CC1"), quote!(crate::usbpd::Cc1Pin)),
+        (("usbpd", "CC2"), quote!(crate::usbpd::Cc2Pin)),
     ]
     .into();
 

src/lib.rs

@@ -75,6 +75,9 @@ pub mod usb;
 #[cfg(usbd)]
 pub mod usbd;
 
+#[cfg(usbpd)]
+pub mod usbpd;
+
 #[cfg(feature = "embassy")]
 pub mod embassy;
 

src/macros.rs

@@ -14,7 +14,7 @@ macro_rules! dma_trait {
 
 macro_rules! pin_trait {
     ($signal:ident, $instance:path) => {
-        pub trait $signal<T: $instance, const REMAP: u8>: crate::gpio::Pin {}
+        pub trait $signal<T: $instance, const REMAP: u8 = 0>: crate::gpio::Pin {}
     };
 }
 macro_rules! pin_trait_impl {

src/usart/mod.rs

@@ -1027,6 +1027,20 @@ fn configure(
     Ok(())
 }
 
+impl<'d, T: Instance> core::fmt::Write for UartTx<'d, T, Blocking> {
+    fn write_str(&mut self, s: &str) -> core::fmt::Result {
+        self.blocking_write(s.as_bytes()).map_err(|_| core::fmt::Error)?;
+        Ok(())
+    }
+}
+impl<'d, T: Instance> core::fmt::Write for Uart<'d, T, Blocking> {
+    fn write_str(&mut self, s: &str) -> core::fmt::Result {
+        self.blocking_write(s.as_bytes()).map_err(|_| core::fmt::Error)?;
+        Ok(())
+    }
+}
+
+
 // Peripheral traits
 struct State {
     rx_waker: AtomicWaker,