src/bin/main.rs

@@ -15,20 +15,13 @@ use base64::{Engine as _, engine::general_purpose};
 use display_interface_spi::SPIInterface;
 use embassy_executor::Spawner;
 use embassy_time::Timer;
-use display_interface_spi::SPIInterface;
-use embedded_graphics::{Drawable, geometry::Size, primitives::Rectangle};
-use embedded_graphics::Pixel;
 use embedded_graphics::mono_font::MonoTextStyle;
 use embedded_graphics::mono_font::ascii::FONT_6X10;
 use embedded_graphics::pixelcolor::Rgb565;
 use embedded_graphics::prelude::Point;
 use embedded_graphics::prelude::RgbColor;
 use embedded_graphics::text::Text;
-use embedded_graphics::{
-    Drawable,
-    prelude::*,
-    primitives::{PrimitiveStyle, Rectangle},
-};
+use embedded_graphics::{Drawable, geometry::Size, primitives::Rectangle};
 use embedded_graphics_core::draw_target::DrawTarget;
 use embedded_hal_bus::spi::ExclusiveDevice;
 use esp_hal::clock::CpuClock;
@@ -451,11 +444,18 @@ where
 
             let color = palette565[color_index as usize];
 
+            let start_x = (x * scale) as i32;
+            let start_y = (y * scale) as i32;
+            let end_x = core::cmp::min(start_x + scale as i32, target_width as i32);
+            let end_y = core::cmp::min(start_y + scale as i32, target_width as i32);
+
             let width = u32::try_from(end_x - start_x).unwrap();
             let height = u32::try_from(end_y - start_y).unwrap();
 
-            let area = Rectangle::new(Point::new(start_x.try_into().unwrap(), start_y.try_into().unwrap()), Size::new(width, height));
-
+            let area = Rectangle::new(
+                Point::new(start_x.try_into().unwrap(), start_y.try_into().unwrap()),
+                Size::new(width, height),
+            );
 
             let _ = ili9341.fill_solid(&area, color);
         }
@@ -621,15 +621,12 @@ async fn main(spawner: Spawner) {
         esp_hal::interrupt::software::SoftwareInterruptControl::new(peripherals.SW_INTERRUPT);
     esp_rtos::start(timg0.timer0, sw_interrupt.software_interrupt0);
 
-
     let freq = Rate::from_khz(60_000);
     info!("Display freq: {freq}");
 
     let spi_bus = Spi::new(
         peripherals.SPI2,
-        Config::default()
-            .with_frequency(freq)
-            .with_mode(Mode::_0),
+        Config::default().with_frequency(freq).with_mode(Mode::_0),
     )
     .unwrap()
     .with_sck(peripherals.GPIO36)