Change verify() return type to match CMSIS

Author: adamgreig

src/lib.rs

@@ -74,8 +74,12 @@ pub trait FlashAlgorithm: Sized + 'static {
     /// * `address` - The start address of the flash to verify.
     /// * `size` - The length of the data to verify.
     /// * `data` - The data to compare with.
+    ///
+    /// # Return
+    ///
+    /// Returns `address + size` on success, otherwise the first failing address.
     #[cfg(feature = "verify")]
-    fn verify(&mut self, address: u32, size: u32, data: Option<&[u8]>) -> Result<(), ErrorCode>;
+    fn verify(&mut self, address: u32, size: u32, data: Option<&[u8]>) -> u32;
 
     /// Read flash.
     ///
@@ -357,17 +361,10 @@ macro_rules! verify {
             };
 
             if data.is_null() {
-                match <$type as $crate::FlashAlgorithm>::verify(this, addr, size, None) {
-                    Ok(()) => 0,
-                    Err(e) => e.get(),
-                }
+                <$type as $crate::FlashAlgorithm>::verify(this, addr, size, None)
             } else {
                 let data_slice: &[u8] = unsafe { core::slice::from_raw_parts(data, size as usize) };
-                match <$type as $crate::FlashAlgorithm>::verify(this, addr, size, Some(data_slice))
-                {
-                    Ok(()) => 0,
-                    Err(e) => e.get(),
-                }
+                <$type as $crate::FlashAlgorithm>::verify(this, addr, size, Some(data_slice))
             }
         }
     };