gif need psram

user-apps/gif/src/main.rs

@@ -0,0 +1,64 @@
+#![no_std]
+#![no_main]
+
+extern crate alloc;
+use abi::{
+    display::{Display, lock_display},
+    fs::read_file,
+    get_key, get_ms,
+    keyboard::{KeyCode, KeyState},
+    print, sleep,
+};
+use alloc::format;
+use core::panic::PanicInfo;
+use embedded_graphics::{image::ImageDrawable, pixelcolor::Rgb565};
+use tinygif::{Gif, Header};
+
+#[panic_handler]
+fn panic(info: &PanicInfo) -> ! {
+    print(&format!(
+        "user panic: {} @ {:?}",
+        info.message(),
+        info.location(),
+    ));
+    loop {}
+}
+
+#[unsafe(no_mangle)]
+pub extern "Rust" fn _start() {
+    main()
+}
+
+pub fn main() {
+    print("Starting Gif app");
+    let mut display = Display;
+
+    static mut BUF: [u8; 256] = [0_u8; 256];
+
+    read_file("/gif/bad_apple.gif", 0, unsafe { &mut BUF[0..6] });
+
+    let gif_header = Header::parse(unsafe { &BUF[0..6] });
+
+    let image = Gif::<Rgb565>::from_slice().unwrap();
+
+    loop {
+        for frame in image.frames() {
+            let start = get_ms();
+
+            frame.draw(&mut display).unwrap();
+
+            sleep(((frame.delay_centis as u64) * 10).saturating_sub(start));
+
+            let event = get_key();
+            if event.state != KeyState::Idle {
+                match event.key {
+                    KeyCode::Esc => return,
+                    _ => (),
+                };
+            };
+
+            lock_display(true);
+            lock_display(false);
+        }
+    }
+}