Use tuple as documented to return firmware version

firmware-updater/src/bootloader.rs

@@ -9,12 +9,8 @@ use tele0592::{
 
 use crate::elf_loader::Segment;
 
-fn version_from_bytes(bytes: [u8; 3]) -> Version {
-    Version::new(
-        u64::from(bytes[0]),
-        u64::from(bytes[1]),
-        u64::from(bytes[2]),
-    )
+fn version_from_bytes((major, minor, patch): (u8, u8, u8)) -> Version {
+    Version::new(u64::from(major), u64::from(minor), u64::from(patch))
 }
 
 pub enum ActiveProgram {

tele0592/src/device.rs

@@ -64,10 +64,10 @@ pub trait Device {
     ///
     /// # Errors
     /// This method may fail if the communication with the board fails.
-    fn firmware_version(&mut self) -> Result<[u8; 3], Self::I2cError> {
+    fn firmware_version(&mut self) -> Result<(u8, u8, u8), Self::I2cError> {
         let mut result = [0; 3];
         self.write_read([CMD_FIRMWARE_VERSION], &mut result)?;
-        Ok(result)
+        Ok(result.into())
     }
 
     /// Identify the program currently running on the board as the