firmware: Remove the c attempt of the firmware

firmware/src/screen/splash.rs

@@ -0,0 +1,44 @@
+use crate::{
+    assets::{ONDERS_ORG, SACRED_CHAO},
+    lcd::Lcd,
+    DefaultClock,
+};
+use atmega_hal::delay::Delay;
+use embedded_hal::{blocking::delay::DelayUs, spi::FullDuplex};
+use nb::block;
+
+pub struct Splash;
+
+impl Splash {
+    pub fn draw(&self, lcd: &mut Lcd) {
+        let mut delay = Delay::<DefaultClock>::new();
+
+        for (i, page) in SACRED_CHAO.iter().enumerate() {
+            lcd.move_cursor(31, 1 + i as u8);
+
+            delay.delay_us(5_u8);
+            lcd.cd.set_high();
+
+            for segment in page {
+                block!(lcd.spi.send(*segment)).unwrap();
+            }
+
+            delay.delay_us(5_u8);
+            lcd.cd.set_low();
+        }
+
+        for (i, page) in ONDERS_ORG.iter().enumerate() {
+            lcd.move_cursor(27, 6 + i as u8);
+
+            delay.delay_us(5_u8);
+            lcd.cd.set_high();
+
+            for segment in page {
+                block!(lcd.spi.send(*segment)).unwrap();
+            }
+
+            delay.delay_us(5_u8);
+            lcd.cd.set_low();
+        }
+    }
+}