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examples/boot/application/stm32wb-dfu/src/main.rs

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+#![no_std]
+#![no_main]
+#![feature(type_alias_impl_trait)]
+
+use core::cell::RefCell;
+
+#[cfg(feature = "defmt-rtt")]
+use defmt_rtt::*;
+use embassy_boot_stm32::{AlignedBuffer, BlockingFirmwareUpdater, FirmwareUpdaterConfig};
+use embassy_executor::Spawner;
+use embassy_stm32::flash::{Flash, WRITE_SIZE};
+use embassy_stm32::rcc::WPAN_DEFAULT;
+use embassy_stm32::usb::{self, Driver};
+use embassy_stm32::{bind_interrupts, peripherals};
+use embassy_sync::blocking_mutex::Mutex;
+use embassy_time::Duration;
+use embassy_usb::Builder;
+use embassy_usb_dfu::consts::DfuAttributes;
+use embassy_usb_dfu::{usb_dfu, Control};
+use panic_reset as _;
+
+bind_interrupts!(struct Irqs {
+    USB_LP => usb::InterruptHandler<peripherals::USB>;
+});
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let mut config = embassy_stm32::Config::default();
+    config.rcc = WPAN_DEFAULT;
+    let p = embassy_stm32::init(config);
+    let flash = Flash::new_blocking(p.FLASH);
+    let flash = Mutex::new(RefCell::new(flash));
+
+    let config = FirmwareUpdaterConfig::from_linkerfile_blocking(&flash);
+    let mut magic = AlignedBuffer([0; WRITE_SIZE]);
+    let mut updater = BlockingFirmwareUpdater::new(config, &mut magic.0);
+    updater.mark_booted().expect("Failed to mark booted");
+
+    let driver = Driver::new(p.USB, Irqs, p.PA12, p.PA11);
+    let mut config = embassy_usb::Config::new(0xc0de, 0xcafe);
+    config.manufacturer = Some("Embassy");
+    config.product = Some("USB-DFU Runtime example");
+    config.serial_number = Some("1235678");
+
+    let mut device_descriptor = [0; 256];
+    let mut config_descriptor = [0; 256];
+    let mut bos_descriptor = [0; 256];
+    let mut control_buf = [0; 64];
+    let mut state = Control::new(updater, DfuAttributes::CAN_DOWNLOAD);
+    let mut builder = Builder::new(
+        driver,
+        config,
+        &mut device_descriptor,
+        &mut config_descriptor,
+        &mut bos_descriptor,
+        &mut [],
+        &mut control_buf,
+    );
+
+    usb_dfu::<_, _, _>(&mut builder, &mut state, Duration::from_millis(2500));
+
+    let mut dev = builder.build();
+    dev.run().await
+}