Add uart 4 and 7.

Author: vadzimdambrouski

src/serial.rs

@@ -15,15 +15,17 @@ use crate::time::U32Ext;
 use nb::block;
 
 #[cfg(any(feature = "stm32f745", feature = "stm32f746",))]
-use crate::device::{RCC, USART1, USART2, USART3, USART6};
+use crate::device::{RCC, USART1, USART2, UART4, USART3, USART6, UART7};
 
 #[cfg(any(feature = "stm32f745", feature = "stm32f746",))]
 use crate::gpio::{
-    gpioa::{PA10, PA2, PA3, PA9},
+    gpioa::{PA0, PA1, PA10, PA2, PA3, PA9},
     gpiob::{PB10, PB11, PB6, PB7},
     gpioc::{PC10, PC11, PC6, PC7},
     gpiod::{PD5, PD6, PD8, PD9},
     gpiog::{PG14, PG9},
+    gpioe::{PE7, PE8},
+    gpiof::{PF6, PF7},
     Alternate, AF7, AF8,
 };
 
@@ -64,8 +66,12 @@ impl PinTx<USART2> for PD5<Alternate<AF7>> {}
 impl PinTx<USART3> for PB10<Alternate<AF7>> {}
 impl PinTx<USART3> for PC10<Alternate<AF7>> {}
 impl PinTx<USART3> for PD8<Alternate<AF7>> {}
+impl PinTx<UART4> for PA0<Alternate<AF8>> {}
+impl PinTx<UART4> for PC10<Alternate<AF8>> {}
 impl PinTx<USART6> for PC6<Alternate<AF8>> {}
 impl PinTx<USART6> for PG14<Alternate<AF8>> {}
+impl PinTx<UART7> for PE8<Alternate<AF8>> {}
+impl PinTx<UART7> for PF7<Alternate<AF8>> {}
 
 #[cfg(any(feature = "stm32f745", feature = "stm32f746",))]
 impl PinRx<USART1> for PA10<Alternate<AF7>> {}
@@ -75,8 +81,12 @@ impl PinRx<USART2> for PD6<Alternate<AF7>> {}
 impl PinRx<USART3> for PB11<Alternate<AF7>> {}
 impl PinRx<USART3> for PC11<Alternate<AF7>> {}
 impl PinRx<USART3> for PD9<Alternate<AF7>> {}
+impl PinRx<UART4> for PA1<Alternate<AF8>> {}
+impl PinRx<UART4> for PC11<Alternate<AF8>> {}
 impl PinRx<USART6> for PC7<Alternate<AF8>> {}
 impl PinRx<USART6> for PG9<Alternate<AF8>> {}
+impl PinRx<UART7> for PE7<Alternate<AF8>> {}
+impl PinRx<UART7> for PF6<Alternate<AF8>> {}
 
 /// Serial abstraction
 pub struct Serial<USART, PINS> {
@@ -425,7 +435,9 @@ impl_instance! {
     USART1: (apb2enr, usart1sel, usart1en),
     USART2: (apb1enr, usart2sel, usart2en),
     USART3: (apb1enr, usart3sel, usart3en),
+    UART4:  (apb1enr, uart4sel,  uart4en),
     USART6: (apb2enr, usart6sel, usart6en),
+    UART7:  (apb1enr, uart7sel,  uart7en),
 }
 
 impl<USART> fmt::Write for Tx<USART>