Update to digital v2 since original digital OutputPin has been deprecated

src/builder.rs

@@ -41,7 +41,7 @@
 //! ```
 
 use hal;
-use hal::digital::OutputPin;
+use hal::digital::v2::OutputPin;
 
 use crate::displayrotation::DisplayRotation;
 use crate::displaysize::DisplaySize;

src/interface/spi.rs

@@ -1,7 +1,7 @@
 //! SSD1306 SPI interface
 
 use hal;
-use hal::digital::OutputPin;
+use hal::digital::v2::OutputPin;
 
 use super::DisplayInterface;
 
@@ -31,18 +31,18 @@ where
     DC: OutputPin,
 {
     fn send_commands(&mut self, cmds: &[u8]) -> Result<(), ()> {
-        self.dc.set_low();
+        let _ = self.dc.set_low();
 
         self.spi.write(&cmds).map_err(|_| ())?;
 
-        self.dc.set_high();
+        let _ = self.dc.set_high();
 
         Ok(())
     }
 
     fn send_data(&mut self, buf: &[u8]) -> Result<(), ()> {
         // 1 = data, 0 = command
-        self.dc.set_high();
+        let _ = self.dc.set_high();
 
         self.spi.write(&buf).map_err(|_| ())?;
 

src/mode/graphics.rs

@@ -16,7 +16,7 @@
 //! ```
 
 use hal::blocking::delay::DelayMs;
-use hal::digital::OutputPin;
+use hal::digital::v2::OutputPin;
 
 use crate::displayrotation::DisplayRotation;
 use crate::displaysize::DisplaySize;
@@ -68,11 +68,11 @@ where
         RST: OutputPin,
         DELAY: DelayMs<u8>,
     {
-        rst.set_high();
+        let _ = rst.set_high();
         delay.delay_ms(1);
-        rst.set_low();
+        let _ = rst.set_low();
         delay.delay_ms(10);
-        rst.set_high();
+        let _ = rst.set_high();
     }
 
     /// Write out data to display

src/mode/terminal.rs

@@ -25,7 +25,7 @@ use crate::mode::displaymode::DisplayModeTrait;
 use crate::properties::DisplayProperties;
 use core::fmt;
 use hal::blocking::delay::DelayMs;
-use hal::digital::OutputPin;
+use hal::digital::v2::OutputPin;
 
 /// A trait to convert from a character to 8x8 bitmap
 pub trait CharacterBitmap<T> {
@@ -192,11 +192,11 @@ where
         RST: OutputPin,
         DELAY: DelayMs<u8>,
     {
-        rst.set_high();
+        let _ = rst.set_high();
         delay.delay_ms(1);
-        rst.set_low();
+        let _ = rst.set_low();
         delay.delay_ms(10);
-        rst.set_high();
+        let _ = rst.set_high();
     }
 
     /// Write out data to display. This is a noop in terminal mode.