API change to partially fix #70

examples/epd1in54_no_graphics.rs

@@ -61,8 +61,8 @@ fn main() -> Result<(), std::io::Error> {
     let mut epd = EPD1in54::new(&mut spi, cs_pin, busy, dc, rst, &mut delay)?;
 
     // Clear the full screen
-    epd.clear_frame(&mut spi)?;
-    epd.display_frame(&mut spi)?;
+    epd.clear_frame(&mut spi, &mut delay)?;
+    epd.display_frame(&mut spi, &mut delay)?;
 
     // Speeddemo
     epd.set_lut(&mut spi, Some(RefreshLUT::QUICK))?;
@@ -71,12 +71,12 @@ fn main() -> Result<(), std::io::Error> {
     for i in 0..number_of_runs {
         let offset = i * 8 % 150;
         epd.update_partial_frame(&mut spi, &small_buffer, 25 + offset, 25 + offset, 16, 16)?;
-        epd.display_frame(&mut spi)?;
+        epd.display_frame(&mut spi, &mut delay)?;
     }
 
     // Clear the full screen
-    epd.clear_frame(&mut spi)?;
-    epd.display_frame(&mut spi)?;
+    epd.clear_frame(&mut spi, &mut delay)?;
+    epd.display_frame(&mut spi, &mut delay)?;
 
     // Draw some squares
     let small_buffer = [Color::Black.get_byte_value(); 3200]; //160x160
@@ -89,11 +89,11 @@ fn main() -> Result<(), std::io::Error> {
     epd.update_partial_frame(&mut spi, &small_buffer, 96, 96, 8, 8)?;
 
     // Display updated frame
-    epd.display_frame(&mut spi)?;
+    epd.display_frame(&mut spi, &mut delay)?;
     delay.delay_ms(5000u16);
 
     // Set the EPD to sleep
-    epd.sleep(&mut spi)?;
+    epd.sleep(&mut spi, &mut delay)?;
 
     Ok(())
 }

examples/epd2in13_v2.rs

@@ -80,9 +80,9 @@ fn main() -> Result<(), std::io::Error> {
     display.set_rotation(DisplayRotation::Rotate270);
     draw_text(&mut display, "Rotate 270!", 5, 50);
 
-    epd2in13.update_frame(&mut spi, &display.buffer())?;
+    epd2in13.update_frame(&mut spi, &display.buffer(), &mut delay)?;
     epd2in13
-        .display_frame(&mut spi)
+        .display_frame(&mut spi, &mut delay)
         .expect("display frame new graphics");
     delay.delay_ms(5000u16);
 
@@ -123,7 +123,7 @@ fn main() -> Result<(), std::io::Error> {
     epd2in13
         .set_refresh(&mut spi, &mut delay, RefreshLUT::QUICK)
         .unwrap();
-    epd2in13.clear_frame(&mut spi).unwrap();
+    epd2in13.clear_frame(&mut spi, &mut delay).unwrap();
 
     // a moving `Hello World!`
     let limit = 10;
@@ -131,7 +131,7 @@ fn main() -> Result<(), std::io::Error> {
         draw_text(&mut display, "  Hello World! ", 5 + i * 12, 50);
 
         epd2in13
-            .update_and_display_frame(&mut spi, &display.buffer())
+            .update_and_display_frame(&mut spi, &display.buffer(), &mut delay)
             .expect("display frame new graphics");
         delay.delay_ms(1_000u16);
     }
@@ -140,7 +140,7 @@ fn main() -> Result<(), std::io::Error> {
     // the screen can refresh for this kind of change (small single character)
     display.clear_buffer(Color::White);
     epd2in13
-        .update_and_display_frame(&mut spi, &display.buffer())
+        .update_and_display_frame(&mut spi, &display.buffer(), &mut delay)
         .unwrap();
 
     let spinner = ["|", "/", "-", "\\"];
@@ -148,12 +148,12 @@ fn main() -> Result<(), std::io::Error> {
         display.clear_buffer(Color::White);
         draw_text(&mut display, spinner[i % spinner.len()], 10, 100);
         epd2in13
-            .update_and_display_frame(&mut spi, &display.buffer())
+            .update_and_display_frame(&mut spi, &display.buffer(), &mut delay)
             .unwrap();
     }
 
     println!("Finished tests - going to sleep");
-    epd2in13.sleep(&mut spi)
+    epd2in13.sleep(&mut spi, &mut delay)
 }
 
 fn draw_text(display: &mut Display2in13, text: &str, x: i32, y: i32) {

examples/epd4in2.rs

@@ -80,9 +80,9 @@ fn main() -> Result<(), std::io::Error> {
     display.set_rotation(DisplayRotation::Rotate270);
     draw_text(&mut display, "Rotate 270!", 5, 50);
 
-    epd4in2.update_frame(&mut spi, &display.buffer())?;
+    epd4in2.update_frame(&mut spi, &display.buffer(), &mut delay)?;
     epd4in2
-        .display_frame(&mut spi)
+        .display_frame(&mut spi, &mut delay)
         .expect("display frame new graphics");
     delay.delay_ms(5000u16);
 
@@ -121,22 +121,24 @@ fn main() -> Result<(), std::io::Error> {
     // a moving `Hello World!`
     let limit = 10;
     epd4in2.set_lut(&mut spi, Some(RefreshLUT::QUICK)).unwrap();
-    epd4in2.clear_frame(&mut spi).unwrap();
+    epd4in2.clear_frame(&mut spi, &mut delay).unwrap();
     for i in 0..limit {
         //println!("Moving Hello World. Loop {} from {}", (i + 1), limit);
 
         draw_text(&mut display, "  Hello World! ", 5 + i * 12, 50);
 
-        epd4in2.update_frame(&mut spi, &display.buffer()).unwrap();
         epd4in2
-            .display_frame(&mut spi)
+            .update_frame(&mut spi, &display.buffer(), &mut delay)
+            .unwrap();
+        epd4in2
+            .display_frame(&mut spi, &mut delay)
             .expect("display frame new graphics");
 
         delay.delay_ms(1_000u16);
     }
 
     println!("Finished tests - going to sleep");
-    epd4in2.sleep(&mut spi)
+    epd4in2.sleep(&mut spi, &mut delay)
 }
 
 fn draw_text(display: &mut Display4in2, text: &str, x: i32, y: i32) {

examples/epd4in2_variable_size.rs

@@ -88,7 +88,7 @@ fn main() -> Result<(), std::io::Error> {
         .update_partial_frame(&mut spi, &display.buffer(), x, y, width, height)
         .unwrap();
     epd4in2
-        .display_frame(&mut spi)
+        .display_frame(&mut spi, &mut delay)
         .expect("display frame new graphics");
     delay.delay_ms(5000u16);
 
@@ -137,14 +137,14 @@ fn main() -> Result<(), std::io::Error> {
             .update_partial_frame(&mut spi, &display.buffer(), x, y, width, height)
             .unwrap();
         epd4in2
-            .display_frame(&mut spi)
+            .display_frame(&mut spi, &mut delay)
             .expect("display frame new graphics");
 
         delay.delay_ms(1_000u16);
     }
 
     println!("Finished tests - going to sleep");
-    epd4in2.sleep(&mut spi)
+    epd4in2.sleep(&mut spi, &mut delay)
 }
 
 fn draw_text(display: &mut VarDisplay, text: &str, x: i32, y: i32) {