macros and improvements

user-apps/calculator/src/main.rs

@@ -9,7 +9,6 @@ use abi::{
     print,
 };
 use alloc::{format, string::String, vec, vec::Vec};
-use core::panic::PanicInfo;
 use embedded_graphics::{
     Drawable,
     geometry::{Dimensions, Point},
@@ -26,12 +25,6 @@ use embedded_layout::{
     prelude::Chain,
 };
 
-#[panic_handler]
-fn panic(info: &PanicInfo) -> ! {
-    print!("user panic: {} @ {:?}", info.message(), info.location(),);
-    loop {}
-}
-
 #[unsafe(no_mangle)]
 pub extern "Rust" fn _start() {
     main()

user-apps/gallery/src/main.rs

@@ -8,27 +8,16 @@ use abi::{
     fs::{list_dir, read_file},
     get_key,
     keyboard::{KeyCode, KeyState},
-    print,
+    main, print,
 };
 use alloc::{format, string::ToString, vec};
-use core::panic::PanicInfo;
 use embedded_graphics::{
     Drawable, image::Image, mono_font::MonoTextStyle, mono_font::ascii::FONT_6X10,
     pixelcolor::Rgb565, prelude::*, text::Text,
 };
 use tinybmp::Bmp;
 
-#[panic_handler]
-fn panic(info: &PanicInfo) -> ! {
-    print!("user panic: {} @ {:?}", info.message(), info.location());
-    loop {}
-}
-
-#[unsafe(no_mangle)]
-pub extern "Rust" fn _start() {
-    main()
-}
-
+#[main]
 pub fn main() {
     print!("Starting Gallery app");
     let mut bmp_buf = vec![0_u8; 100_000];

user-apps/gif/src/main.rs

@@ -7,26 +7,15 @@ use abi::{
     fs::{file_len, read_file},
     get_key, get_ms,
     keyboard::{KeyCode, KeyState},
-    print, sleep,
+    main, print, sleep,
 };
-use alloc::vec;
-use core::panic::PanicInfo;
+use alloc::{format, vec};
 use embedded_graphics::{
     image::ImageDrawable, pixelcolor::Rgb565, prelude::Point, transform::Transform,
 };
 use tinygif::Gif;
 
-#[panic_handler]
-fn panic(info: &PanicInfo) -> ! {
-    print!("user panic: {} @ {:?}", info.message(), info.location(),);
-    loop {}
-}
-
-#[unsafe(no_mangle)]
-pub extern "Rust" fn _start() {
-    main()
-}
-
+#[main]
 pub fn main() {
     print!("Starting Gif app");
     let mut display = Display;

user-apps/snake/src/main.rs

@@ -9,16 +9,10 @@ use abi::{
     keyboard::{KeyCode, KeyState},
     print, sleep,
 };
-use core::panic::PanicInfo;
+use alloc::format;
 use embedded_graphics::{pixelcolor::Rgb565, prelude::RgbColor};
 use embedded_snake::{Direction, SnakeGame};
 
-#[panic_handler]
-fn panic(info: &PanicInfo) -> ! {
-    print!("user panic: {} @ {:?}", info.message(), info.location(),);
-    loop {}
-}
-
 #[unsafe(no_mangle)]
 pub extern "Rust" fn _start() {
     main()