From 036bc669cd46012e37e09af070ddb8353454719a Mon Sep 17 00:00:00 2001
From: Matt Ickstadt <mattico8@gmail.com>
Date: Mon, 31 Jul 2023 14:17:50 -0500
Subject: [PATCH] stm32: only enable async TimeoutI2c on V2 I2C peripheral

---
 embassy-stm32/src/i2c/timeout.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/embassy-stm32/src/i2c/timeout.rs b/embassy-stm32/src/i2c/timeout.rs
index 830de8e9..103017cd 100644
--- a/embassy-stm32/src/i2c/timeout.rs
+++ b/embassy-stm32/src/i2c/timeout.rs
@@ -30,6 +30,7 @@ impl<'a, 'd: 'a, T: Instance, TXDMA, RXDMA> TimeoutI2c<'a, 'd, T, TXDMA, RXDMA>
     // =========================
     //  Async public API
 
+    #[cfg(i2c_v2)]
     pub async fn write(&mut self, address: u8, write: &[u8]) -> Result<(), Error>
     where
         TXDMA: crate::i2c::TxDma<T>,
@@ -37,6 +38,7 @@ impl<'a, 'd: 'a, T: Instance, TXDMA, RXDMA> TimeoutI2c<'a, 'd, T, TXDMA, RXDMA>
         self.write_timeout(address, write, self.timeout).await
     }
 
+    #[cfg(i2c_v2)]
     pub async fn write_timeout(&mut self, address: u8, write: &[u8], timeout: Duration) -> Result<(), Error>
     where
         TXDMA: crate::i2c::TxDma<T>,
@@ -44,6 +46,7 @@ impl<'a, 'd: 'a, T: Instance, TXDMA, RXDMA> TimeoutI2c<'a, 'd, T, TXDMA, RXDMA>
         self.i2c.write_timeout(address, write, timeout_fn(timeout)).await
     }
 
+    #[cfg(i2c_v2)]
     pub async fn write_vectored(&mut self, address: u8, write: &[&[u8]]) -> Result<(), Error>
     where
         TXDMA: crate::i2c::TxDma<T>,
@@ -51,6 +54,7 @@ impl<'a, 'd: 'a, T: Instance, TXDMA, RXDMA> TimeoutI2c<'a, 'd, T, TXDMA, RXDMA>
         self.write_vectored_timeout(address, write, self.timeout).await
     }
 
+    #[cfg(i2c_v2)]
     pub async fn write_vectored_timeout(&mut self, address: u8, write: &[&[u8]], timeout: Duration) -> Result<(), Error>
     where
         TXDMA: crate::i2c::TxDma<T>,
@@ -60,6 +64,7 @@ impl<'a, 'd: 'a, T: Instance, TXDMA, RXDMA> TimeoutI2c<'a, 'd, T, TXDMA, RXDMA>
             .await
     }
 
+    #[cfg(i2c_v2)]
     pub async fn read(&mut self, address: u8, buffer: &mut [u8]) -> Result<(), Error>
     where
         RXDMA: crate::i2c::RxDma<T>,
@@ -67,6 +72,7 @@ impl<'a, 'd: 'a, T: Instance, TXDMA, RXDMA> TimeoutI2c<'a, 'd, T, TXDMA, RXDMA>
         self.read_timeout(address, buffer, self.timeout).await
     }
 
+    #[cfg(i2c_v2)]
     pub async fn read_timeout(&mut self, address: u8, buffer: &mut [u8], timeout: Duration) -> Result<(), Error>
     where
         RXDMA: crate::i2c::RxDma<T>,
@@ -74,6 +80,7 @@ impl<'a, 'd: 'a, T: Instance, TXDMA, RXDMA> TimeoutI2c<'a, 'd, T, TXDMA, RXDMA>
         self.i2c.read_timeout(address, buffer, timeout_fn(timeout)).await
     }
 
+    #[cfg(i2c_v2)]
     pub async fn write_read(&mut self, address: u8, write: &[u8], read: &mut [u8]) -> Result<(), Error>
     where
         TXDMA: super::TxDma<T>,
@@ -82,6 +89,7 @@ impl<'a, 'd: 'a, T: Instance, TXDMA, RXDMA> TimeoutI2c<'a, 'd, T, TXDMA, RXDMA>
         self.write_read_timeout(address, write, read, self.timeout).await
     }
 
+    #[cfg(i2c_v2)]
     pub async fn write_read_timeout(
         &mut self,
         address: u8,