gif need psram

user-apps/gif/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "gif"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+abi = { path = "../../abi" }
+embedded-graphics = "0.8.1"
+tinygif = "0.0.4"

user-apps/gif/build.rs

@@ -0,0 +1,28 @@
+//! This build script copies the `memory.x` file from the crate root into
+//! a directory where the linker can always find it at build time.
+//! For many projects this is optional, as the linker always searches the
+//! project root directory -- wherever `Cargo.toml` is. However, if you
+//! are using a workspace or have a more complicated build setup, this
+//! build script becomes required. Additionally, by requesting that
+//! Cargo re-run the build script whenever `memory.x` is changed,
+//! updating `memory.x` ensures a rebuild of the application with the
+//! new memory settings.
+
+use std::env;
+use std::fs::File;
+use std::io::Write;
+use std::path::PathBuf;
+
+fn main() {
+    // Put `memory.x` in our output directory and ensure it's
+    // on the linker search path.
+    let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap());
+    File::create(out.join("memory.x"))
+        .unwrap()
+        .write_all(include_bytes!("../memory.x"))
+        .unwrap();
+    println!("cargo:rustc-link-search={}", out.display());
+
+    println!("cargo:rerun-if-changed=memory.x");
+    println!("cargo:rustc-link-arg-bins=-Tmemory.x");
+}

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);
+        }
+    }
+}