readd data_x_times

src/epd1in54/mod.rs

@@ -181,11 +181,11 @@ where
         let color = self.background_color.get_byte_value();
 
         //TODO: this is using a big buffer atm, is it better to just loop over sending a single byte?
-        self.interface.cmd_with_data(
+        self.interface.cmd(
             spi,
-            Command::WRITE_RAM,
-            &[color; WIDTH as usize / 8 * HEIGHT as usize]
-        )
+            Command::WRITE_RAM
+        )?;
+        self.interface.data_x_times(spi, color, WIDTH / 8 * HEIGHT)
     }