From 43ebcbeb8ceef050adff1e2fb220175079d72022 Mon Sep 17 00:00:00 2001
From: AndreySmirnov81 <489a930ac752@mail.ru>
Date: Fri, 26 Feb 2021 15:41:01 +0300
Subject: [PATCH 1/2] Fix SPI3 alternate function remapping.

---
 CHANGELOG.md |  1 +
 src/spi.rs   | 27 ++++++++++++++++++++++++++-
 2 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index de13b6cd..03316ac4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Fix > 2 byte i2c reads
 - Send stop after acknowledge errors on i2c
 - Fix i2c interactions after errors
+- Fix SPI3 alternate function remapping.
 
 ### Changed
 - Use `cortex-m-rtic` instead of `cortex-m-rtfm` in the examples
diff --git a/src/spi.rs b/src/spi.rs
index 70014d07..deea63db 100644
--- a/src/spi.rs
+++ b/src/spi.rs
@@ -10,7 +10,7 @@
 
   - `SPI1` can use `(PA5, PA6, PA7)` or `(PB3, PB4, PB5)`.
   - `SPI2` can use `(PB13, PB14, PB15)`
-  - `SPI3` can use `(PB3, PB4, PB5)` or `(PC10, PC11, PC12)`
+  - `SPI3` can use `(PB3, PB4, PB5)` or only in connectivity line devices `(PC10, PC11, PC12)`
 
 
   ## Initialisation example
@@ -215,6 +215,30 @@ impl<REMAP, PINS> Spi<SPI2, REMAP, PINS, u8> {
 
 #[cfg(any(feature = "high", feature = "connectivity"))]
 impl<REMAP, PINS> Spi<SPI3, REMAP, PINS, u8> {
+    /**
+      Constructs an SPI instance using SPI3 in 8bit dataframe mode.
+
+      The pin parameter tuple (sck, miso, mosi) should be `(PB3, PB4, PB5)` configured as `(Alternate<PushPull>, Input<Floating>, Alternate<PushPull>)`.
+
+      You can also use `NoSck`, `NoMiso` or `NoMosi` if you don't want to use the pins
+    */
+    #[cfg(not(feature = "connectivity"))]
+    pub fn spi3<F, POS>(
+        spi: SPI3,
+        pins: PINS,
+        mode: Mode,
+        freq: F,
+        clocks: Clocks,
+        apb: &mut APB1,
+    ) -> Self
+    where
+        F: Into<Hertz>,
+        REMAP: Remap<Periph = SPI3>,
+        PINS: Pins<REMAP, POS>,
+    {
+        Spi::<SPI3, _, _, u8>::_spi(spi, pins, mode, freq.into(), clocks, apb)
+    }
+
     /**
       Constructs an SPI instance using SPI3 in 8bit dataframe mode.
 
@@ -222,6 +246,7 @@ impl<REMAP, PINS> Spi<SPI3, REMAP, PINS, u8> {
 
       You can also use `NoSck`, `NoMiso` or `NoMosi` if you don't want to use the pins
     */
+    #[cfg(feature = "connectivity")]
     pub fn spi3<F, POS>(
         spi: SPI3,
         pins: PINS,

From 15be7b34f7affa3b9c88b100aec7ead087e2ee83 Mon Sep 17 00:00:00 2001
From: AndreySmirnov81 <489a930ac752@mail.ru>
Date: Tue, 2 Mar 2021 09:36:29 +0300
Subject: [PATCH 2/2] Fix wrong cfg attribute for SPI3 no remap.

---
 src/spi.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/spi.rs b/src/spi.rs
index deea63db..e08cfbba 100644
--- a/src/spi.rs
+++ b/src/spi.rs
@@ -156,7 +156,7 @@ macro_rules! remap {
 remap!(Spi1NoRemap, SPI1, false, PA5, PA6, PA7);
 remap!(Spi1Remap, SPI1, true, PB3, PB4, PB5);
 remap!(Spi2NoRemap, SPI2, false, PB13, PB14, PB15);
-#[cfg(feature = "high")]
+#[cfg(any(feature = "high", feature = "connectivity"))]
 remap!(Spi3NoRemap, SPI3, false, PB3, PB4, PB5);
 #[cfg(feature = "connectivity")]
 remap!(Spi3Remap, SPI3, true, PC10, PC11, PC12);