4 files changed, 43 insertions, 41 deletions

diff --git a/embassy-stm32/src/spi/mod.rs b/embassy-stm32/src/spi/mod.rs
index 8668f6344..a0bb66eb0 100644
--- a/embassy-stm32/src/spi/mod.rs
+++ b/embassy-stm32/src/spi/mod.rs
@@ -5,6 +5,7 @@
 #[cfg_attr(spi_v2, path = "v2.rs")]
 #[cfg_attr(spi_v3, path = "v3.rs")]
 mod _version;
+use crate::pac::spi::vals;
 use crate::{dma, peripherals, rcc::RccPeripheral};
 pub use _version::*;
 
@@ -31,6 +32,48 @@ enum WordSize {
     SixteenBit,
 }
 
+impl WordSize {
+    #[cfg(any(spi_v1, spi_f1))]
+    fn dff(&self) -> vals::Dff {
+        match self {
+            WordSize::EightBit => vals::Dff::EIGHTBIT,
+            WordSize::SixteenBit => vals::Dff::SIXTEENBIT,
+        }
+    }
+
+    #[cfg(spi_v2)]
+    fn ds(&self) -> vals::Ds {
+        match self {
+            WordSize::EightBit => vals::Ds::EIGHTBIT,
+            WordSize::SixteenBit => vals::Ds::SIXTEENBIT,
+        }
+    }
+
+    #[cfg(spi_v2)]
+    fn frxth(&self) -> vals::Frxth {
+        match self {
+            WordSize::EightBit => vals::Frxth::QUARTER,
+            WordSize::SixteenBit => vals::Frxth::HALF,
+        }
+    }
+
+    #[cfg(spi_v3)]
+    fn dsize(&self) -> u8 {
+        match self {
+            WordSize::EightBit => 0b0111,
+            WordSize::SixteenBit => 0b1111,
+        }
+    }
+
+    #[cfg(spi_v3)]
+    fn _frxth(&self) -> vals::Fthlv {
+        match self {
+            WordSize::EightBit => vals::Fthlv::ONEFRAME,
+            WordSize::SixteenBit => vals::Fthlv::ONEFRAME,
+        }
+    }
+}
+
 #[non_exhaustive]
 pub struct Config {
     pub mode: Mode,
diff --git a/embassy-stm32/src/spi/v1.rs b/embassy-stm32/src/spi/v1.rs
index 9ad9397a4..08bee758b 100644
--- a/embassy-stm32/src/spi/v1.rs
+++ b/embassy-stm32/src/spi/v1.rs
@@ -20,15 +20,6 @@ pub use embedded_hal::blocking;
 pub use embedded_hal::spi::{Mode, Phase, Polarity, MODE_0, MODE_1, MODE_2, MODE_3};
 use futures::future::join3;
 
-impl WordSize {
-    fn dff(&self) -> spi::vals::Dff {
-        match self {
-            WordSize::EightBit => spi::vals::Dff::EIGHTBIT,
-            WordSize::SixteenBit => spi::vals::Dff::SIXTEENBIT,
-        }
-    }
-}
-
 pub struct Spi<'d, T: Instance, Tx, Rx> {
     sck: Option<AnyPin>,
     mosi: Option<AnyPin>,
diff --git a/embassy-stm32/src/spi/v2.rs b/embassy-stm32/src/spi/v2.rs
index aa04fcca4..b281c7548 100644
--- a/embassy-stm32/src/spi/v2.rs
+++ b/embassy-stm32/src/spi/v2.rs
@@ -18,22 +18,6 @@ use embassy_traits::spi as traits;
 pub use embedded_hal::spi::{Mode, Phase, Polarity, MODE_0, MODE_1, MODE_2, MODE_3};
 use futures::future::{join, join3};
 
-impl WordSize {
-    fn ds(&self) -> spi::vals::Ds {
-        match self {
-            WordSize::EightBit => spi::vals::Ds::EIGHTBIT,
-            WordSize::SixteenBit => spi::vals::Ds::SIXTEENBIT,
-        }
-    }
-
-    fn frxth(&self) -> spi::vals::Frxth {
-        match self {
-            WordSize::EightBit => spi::vals::Frxth::QUARTER,
-            WordSize::SixteenBit => spi::vals::Frxth::HALF,
-        }
-    }
-}
-
 pub struct Spi<'d, T: Instance, Tx, Rx> {
     sck: Option<AnyPin>,
     mosi: Option<AnyPin>,
diff --git a/embassy-stm32/src/spi/v3.rs b/embassy-stm32/src/spi/v3.rs
index dbd9d78c9..cd88acb7a 100644
--- a/embassy-stm32/src/spi/v3.rs
+++ b/embassy-stm32/src/spi/v3.rs
@@ -19,22 +19,6 @@ pub use embedded_hal::spi::{Mode, Phase, Polarity, MODE_0, MODE_1, MODE_2, MODE_
 
 use futures::future::join3;
 
-impl WordSize {
-    fn dsize(&self) -> u8 {
-        match self {
-            WordSize::EightBit => 0b0111,
-            WordSize::SixteenBit => 0b1111,
-        }
-    }
-
-    fn _frxth(&self) -> spi::vals::Fthlv {
-        match self {
-            WordSize::EightBit => spi::vals::Fthlv::ONEFRAME,
-            WordSize::SixteenBit => spi::vals::Fthlv::ONEFRAME,
-        }
-    }
-}
-
 #[allow(unused)]
 pub struct Spi<'d, T: Instance, Tx = NoDma, Rx = NoDma> {
     sck: Option<AnyPin>,