add embedded_graphics

Cargo.toml

@@ -29,6 +29,8 @@ epd4in2_fast_update = []
 
 [dependencies]
 
+embedded-graphics = "0.4.1"
+
 
 [dependencies.embedded-hal]
 features = ["unproven"]

src/lib.rs

@@ -78,6 +78,8 @@ pub use epd2in9::EPD2in9;
 #[cfg(any(feature = "epd1in54", feature = "epd2in9"))]
 pub(crate) mod type_a;
 
+use embedded_graphics;
+
 //TODO: test spi mode
 /// SPI mode -
 /// For more infos see [Requirements: SPI](index.html#spi)