usart

Author: burrbull

src/gpio/alt.rs

@@ -271,6 +271,9 @@ pub trait SerialAsync {
 pub trait SerialSync {
     type Ck;
 }
+pub trait SerialRs485 {
+    type De;
+}
 /// Hardware flow control (RS232)
 pub trait SerialRs232 {
     /// Receive

src/gpio/alt/c0.rs

@@ -710,6 +710,9 @@ pub mod usart1 {
         type Rx<Otype> = Rx<Otype>;
         type Tx<Otype> = Tx<Otype>;
     }
+    impl SerialRs485 for USART {
+        type De = De;
+    }
     impl SerialSync for USART {
         type Ck = Ck;
     }
@@ -805,6 +808,9 @@ pub mod usart2 {
         type Rx<Otype> = Rx<Otype>;
         type Tx<Otype> = Tx<Otype>;
     }
+    impl SerialRs485 for USART {
+        type De = De;
+    }
     impl SerialSync for USART {
         type Ck = Ck;
     }