Not all Type A screens are completly the same to the change to bring it all together was reverted.

examples/embedded_linux/src/main.rs

@@ -5,7 +5,13 @@ extern crate linux_embedded_hal as lin_hal;
 extern crate eink_waveshare_rs;
 
 
-use eink_waveshare_rs::{epd4in2::EPD4in2, drawing::{Graphics, color::Color}, interface::WaveshareInterface};
+use eink_waveshare_rs::{
+    epd4in2::{EPD4in2, self}, 
+    drawing::{Graphics, color::Color}, 
+    interface::{
+        WaveshareInterface,
+        connection_interface::ConnectionInterface},
+};
 
 use lin_hal::spidev::{self, SpidevOptions};
 use lin_hal::{Pin, Spidev};
@@ -99,7 +105,8 @@ fn main() {
 
     //TODO: wait for Digital::InputPin
     //fixed currently with the HackInputPin, see further above
-    let mut epd4in2 = EPD4in2::new(spi, cs, busy_in, dc, rst, delay).expect("eink inialize error");
+    let connection_interface = ConnectionInterface::new(spi, cs, busy_in, dc, rst, delay);
+    let mut epd4in2 = EPD4in2::new(connection_interface, epd4in2::new()).expect("eink inialize error");
 
     //let mut buffer =  [0u8, epd4in2.get_width() / 8 * epd4in2.get_height()];
     let mut buffer = [0u8; 15000];