Add firmware version consistency check in Rust API

tele0592/src/device.rs

@@ -19,6 +19,10 @@ pub enum Error<I2cError> {
     InvalidDuration(Duration),
     #[cfg(feature = "controller")]
     InvalidRawSpeed,
+    #[cfg(feature = "controller")]
+    InvalidVersion((u8, u8, u8)),
+    #[cfg(feature = "controller")]
+    UnknownFirmwareFound,
 }
 
 impl<I2CError: core::fmt::Display> core::fmt::Display for Error<I2CError> {
@@ -31,6 +35,17 @@ impl<I2CError: core::fmt::Display> core::fmt::Display for Error<I2CError> {
             Error::InvalidDuration(d) => write!(f, "invalid duration {d:?}"),
             #[cfg(feature = "controller")]
             Error::InvalidRawSpeed => write!(f, "invalid raw speed -128"),
+            #[cfg(feature = "controller")]
+            Error::InvalidVersion((major, minor, patch)) => {
+                let (req_major, req_minor, req_patch) =
+                    crate::controller::REQUIRED_FIRMWARE_VERSION;
+                write!(
+                    f,
+                    "invalid firmware version {major}.{minor}.{patch} (expected {req_major}.{req_minor}.{req_patch})",
+                )
+            }
+            #[cfg(feature = "controller")]
+            Error::UnknownFirmwareFound => write!(f, "unknown program found on controller"),
         }
     }
 }