example change

7 years ago · 16686dee6d
1 changed files with 1 additions and 0 deletions
--- a/examples/embedded_linux_epd4in2/src/main.rs
+++ b/examples/embedded_linux_epd4in2/src/main.rs
@ -133,6 +133,7 @@ fn run() -> Result<(), std::io::Error> {

    graphics.draw_vertical_line(200, 50, 200, &Color::Black);

+    epd4in2.clear_frame(&mut spi).expect("clear frame error");
    epd4in2.update_frame(&mut spi, graphics.get_buffer()).expect("update frame error");
    epd4in2.display_frame(&mut spi)?;