Fix clippy warnings

src/ds323x/alarms.rs

@@ -132,8 +132,8 @@ fn get_matching_mask_alarm2(matching: Alarm2Matching) -> [u8; 3] {
 fn is_hour_valid(hours: Hours) -> bool {
     match hours {
         Hours::H24(h) if h > 23 => true,
-        Hours::AM(h) if h < 1 || h > 12 => true,
+        Hours::AM(h) if !(1..=12).contains(&h) => true,
-        Hours::PM(h) if h < 1 || h > 12 => true,
+        Hours::PM(h) if !(1..=12).contains(&h) => true,
         _ => false,
     }
 }
@@ -143,9 +143,9 @@ fn amend_hour(hours: Hours) -> Hours {
     match hours {
         Hours::H24(h) if h > 23 => Hours::H24(0),
         Hours::H24(h) => Hours::H24(h),
-        Hours::AM(h) if h < 1 || h > 12 => Hours::AM(1),
+        Hours::AM(h) if !(1..=12).contains(&h) => Hours::AM(1),
         Hours::AM(h) => Hours::AM(h),
-        Hours::PM(h) if h < 1 || h > 12 => Hours::PM(1),
+        Hours::PM(h) if !(1..=12).contains(&h) => Hours::PM(1),
         Hours::PM(h) => Hours::PM(h),
     }
 }

src/ds323x/datetime.rs

@@ -127,21 +127,21 @@ where
     }
 
     fn set_weekday(&mut self, weekday: u8) -> Result<(), Self::Error> {
-        if weekday < 1 || weekday > 7 {
+        if !(1..=7).contains(&weekday) {
             return Err(Error::InvalidInputData);
         }
         self.iface.write_register(Register::DOW, weekday)
     }
 
     fn set_day(&mut self, day: u8) -> Result<(), Self::Error> {
-        if day < 1 || day > 31 {
+        if !(1..=31).contains(&day) {
             return Err(Error::InvalidInputData);
         }
         self.iface.write_register(Register::DOM, day)
     }
 
     fn set_month(&mut self, month: u8) -> Result<(), Self::Error> {
-        if month < 1 || month > 12 {
+        if !(1..=12).contains(&month) {
             return Err(Error::InvalidInputData);
         }
         // keep the century bit
@@ -151,7 +151,7 @@ where
     }
 
     fn set_year(&mut self, year: u16) -> Result<(), Self::Error> {
-        if year < 2000 || year > 2100 {
+        if !(2000..=2100).contains(&year) {
             return Err(Error::InvalidInputData);
         }
         let data = self.iface.read_register(Register::MONTH)?;

src/ds323x/mod.rs

@@ -21,9 +21,9 @@ fn hours_to_register<CommE, PinE>(hours: Hours) -> Result<u8, Error<CommE, PinE>
     match hours {
         Hours::H24(h) if h > 23 => Err(Error::InvalidInputData),
         Hours::H24(h) => Ok(decimal_to_packed_bcd(h)),
-        Hours::AM(h) if h < 1 || h > 12 => Err(Error::InvalidInputData),
+        Hours::AM(h) if !(1..=12).contains(&h) => Err(Error::InvalidInputData),
         Hours::AM(h) => Ok(BitFlags::H24_H12 | decimal_to_packed_bcd(h)),
-        Hours::PM(h) if h < 1 || h > 12 => Err(Error::InvalidInputData),
+        Hours::PM(h) if !(1..=12).contains(&h) => Err(Error::InvalidInputData),
         Hours::PM(h) => Ok(BitFlags::H24_H12 | BitFlags::AM_PM | decimal_to_packed_bcd(h)),
     }
 }

src/interface.rs

@@ -42,9 +42,7 @@ where
     }
 
     fn write_data(&mut self, payload: &mut [u8]) -> Result<(), Self::Error> {
-        self.i2c
+        self.i2c.write(DEVICE_ADDRESS, payload).map_err(Error::Comm)
-            .write(DEVICE_ADDRESS, &payload)
-            .map_err(Error::Comm)
     }
 }
 
@@ -67,7 +65,7 @@ where
     fn write_data(&mut self, payload: &mut [u8]) -> Result<(), Self::Error> {
         self.cs.set_low().map_err(Error::Pin)?;
         payload[0] += 0x80;
-        let result = self.spi.write(&payload).map_err(Error::Comm);
+        let result = self.spi.write(payload).map_err(Error::Comm);
 
         self.cs.set_high().map_err(Error::Pin)?;
         result
@@ -119,9 +117,9 @@ where
         Ok(result?[1])
     }
 
-    fn read_data(&mut self, mut payload: &mut [u8]) -> Result<(), Self::Error> {
+    fn read_data(&mut self, payload: &mut [u8]) -> Result<(), Self::Error> {
         self.cs.set_low().map_err(Error::Pin)?;
-        let result = self.spi.transfer(&mut payload).map_err(Error::Comm);
+        let result = self.spi.transfer(payload).map_err(Error::Comm);
         self.cs.set_high().map_err(Error::Pin)?;
         result?;
         Ok(())

src/lib.rs

@@ -184,7 +184,7 @@
 //!
 //! ```no_run
 //! use ds323x::Ds323x;
-//! use linux_embedded_hal::{Pin, Spidev};
+//! use linux_embedded_hal::{SysfsPin as Pin, Spidev};
 //!
 //! let dev = Spidev::open("/dev/spidev0.0").unwrap();
 //! let chip_select = Pin::new(24);