update i2c peripheral trait

Author: dotcypress

src/i2c/blocking.rs

@@ -535,12 +535,12 @@ macro_rules! i2c {
                 })
             }
 
-            fn read(&mut self, buf: &mut [u8]) -> Result<(), Self::Error> {
+            fn rx(&mut self, buf: &mut [u8]) -> Result<(), Self::Error> {
                 self.slave_sbc(false);
                 self.slave_read(buf)
             }
 
-            fn write(&mut self, buf: &[u8]) -> Result<(), Self::Error> {
+            fn tx(&mut self, buf: &[u8]) -> Result<(), Self::Error> {
                 self.slave_sbc(true);
                 self.slave_write(buf)
             }

src/i2c/mod.rs

@@ -134,7 +134,7 @@ pub trait I2cPeripheral {
     type Error;
 
     fn poll(&mut self) -> Result<Option<I2cPeripheralEvent>, Self::Error>;
-    fn read(&mut self, buf: &mut [u8]) -> Result<(), Self::Error>;
-    fn write(&mut self, buf: &[u8]) -> Result<(), Self::Error>;
+    fn rx(&mut self, buf: &mut [u8]) -> Result<(), Self::Error>;
+    fn tx(&mut self, buf: &[u8]) -> Result<(), Self::Error>;
     fn flush(&mut self) -> Result<(), Self::Error>;
 }