feat: Bus - add default impls for common registers

Signed-off-by: Lachezar Lechev <elpiel93@gmail.com>

src/bus/mod.rs

@@ -4,6 +4,11 @@ mod four_wire;
 mod four_wire_ref;
 mod three_wire;
 
+use crate::register::{
+    self,
+    common::{RetryCount, RetryTime, MODE,VERSION, PhyConfig},
+};
+
 pub use self::four_wire::FourWire;
 pub use self::four_wire::FourWireError;
 pub use self::four_wire_ref::FourWireRef;
@@ -18,6 +23,109 @@ pub trait Bus {
     fn read_frame(&mut self, block: u8, address: u16, data: &mut [u8]) -> Result<(), Self::Error>;
 
     fn write_frame(&mut self, block: u8, address: u16, data: &[u8]) -> Result<(), Self::Error>;
+
+    /// Reset the device
+    #[inline]
+    fn reset(&mut self) -> Result<(), Self::Error> {
+        self.write_frame(
+            register::COMMON,
+            register::common::MODE,
+            &register::common::Mode::Reset.to_register(),
+        )?;
+
+        Ok(())
+    }
+
+    #[inline]
+    fn set_mode(&mut self, mode_options: register::common::Mode) -> Result<(), Self::Error> {
+        self.write_frame(
+            register::COMMON,
+            register::common::MODE,
+            &mode_options.to_register(),
+        )?;
+        Ok(())
+    }
+
+    #[inline]
+    fn version(&mut self) -> Result<u8, Self::Error> {
+        let mut version_register = [0_u8];
+        self.read_frame(
+            register::COMMON,
+            register::common::VERSION,
+            &mut version_register,
+        )?;
+
+        Ok(version_register[0])
+    }
+
+    /// RTR (Retry Time-value Register) [R/W] [0x0019 – 0x001A] [0x07D0]
+    ///
+    /// # Example
+    /// ```
+    /// use w5500::register::common::RetryTime;
+    ///
+    /// let default = RetryTime::from_millis(200);
+    /// assert_eq!(RetryTime::default(), default);
+    ///
+    /// // E.g. 4000 (register) = 400ms
+    /// let four_hundred_ms = RetryTime::from_millis(400);
+    /// assert_eq!(four_hundred_ms.to_u16(), 4000);
+    /// ```
+    #[inline]
+    fn set_retry_timeout(&mut self, retry_time_value: RetryTime) -> Result<(), Self::Error> {
+        self.write_frame(
+            register::COMMON,
+            register::common::RETRY_TIME,
+            &retry_time_value.to_register(),
+        )?;
+
+        Ok(())
+    }
+
+    /// RTR (Retry Time-value Register) [R/W] [0x0019 – 0x001A] [0x07D0]
+    ///
+    /// E.g. 4000 = 400ms
+    #[inline]
+    fn current_retry_timeout(&mut self) -> Result<RetryTime, Self::Error> {
+        let mut retry_time_register: [u8; 2] = [0, 0];
+        self.read_frame(
+            register::COMMON,
+            register::common::RETRY_TIME,
+            &mut retry_time_register,
+        )?;
+
+        Ok(RetryTime::from_register(retry_time_register))
+    }
+
+    /// Set a new value for the Retry Count register.
+    ///
+    /// RCR (Retry Count Register) [R/W] [0x001B] [0x08]
+    fn set_retry_count(&mut self, retry_count: RetryCount) -> Result<(), Self::Error> {
+        self.write_frame(
+            register::COMMON,
+            register::common::RETRY_COUNT,
+            &retry_count.to_register(),
+        )?;
+
+        Ok(())
+    }
+
+    /// Get the current Retry Count value
+    /// RCR (Retry Count Register) [R/W] [0x001B] [0x08]
+    ///
+    /// E.g. In case of errors it will retry for 7 times:
+    /// `RCR = 0x0007`
+    #[inline]
+    fn current_retry_count(&mut self) -> Result<RetryCount, Self::Error> {
+        let mut retry_count_register: [u8; 1] = [0];
+        self.read_frame(
+            register::COMMON,
+            register::common::RETRY_COUNT,
+            &mut retry_count_register,
+        )?;
+
+        Ok(RetryCount::from_register(retry_count_register))
+    }
 }
 
 pub struct BusRef<'a, B: Bus>(pub &'a mut B);