1 files changed, 43 insertions, 0 deletions

diff --git a/examples/boot/application/stm32wl/src/bin/a.rs b/examples/boot/application/stm32wl/src/bin/a.rs
new file mode 100644
index 000000000..dc1eb9bed
--- /dev/null
+++ b/examples/boot/application/stm32wl/src/bin/a.rs
@@ -0,0 +1,43 @@
+#![no_std]
+#![no_main]
+#![feature(type_alias_impl_trait)]
+
+#[cfg(feature = "defmt-rtt")]
+use defmt_rtt::*;
+use embassy_boot_stm32::FirmwareUpdater;
+use embassy_embedded_hal::adapter::BlockingAsync;
+use embassy_stm32::exti::ExtiInput;
+use embassy_stm32::flash::Flash;
+use embassy_stm32::gpio::{Input, Level, Output, Pull, Speed};
+use embassy_stm32::Peripherals;
+use panic_reset as _;
+
+static APP_B: &[u8] = include_bytes!("../../b.bin");
+
+#[embassy::main]
+async fn main(_s: embassy::executor::Spawner, p: Peripherals) {
+    let flash = Flash::unlock(p.FLASH);
+    let mut flash = BlockingAsync::new(flash);
+
+    let button = Input::new(p.PA0, Pull::Up);
+    let mut button = ExtiInput::new(button, p.EXTI0);
+
+    let mut led = Output::new(p.PB9, Level::Low, Speed::Low);
+    led.set_high();
+
+    let mut updater = FirmwareUpdater::default();
+    button.wait_for_falling_edge().await;
+    //defmt::info!("Starting update");
+    let mut offset = 0;
+    for chunk in APP_B.chunks(2048) {
+        let mut buf: [u8; 2048] = [0; 2048];
+        buf[..chunk.len()].copy_from_slice(chunk);
+        //        defmt::info!("Writing chunk at 0x{:x}", offset);
+        updater.write_firmware(offset, &buf, &mut flash, 2048).await.unwrap();
+        offset += chunk.len();
+    }
+    updater.update(&mut flash).await.unwrap();
+    //defmt::info!("Marked as updated");
+    led.set_low();
+    cortex_m::peripheral::SCB::sys_reset();
+}