From 776be79f7bb10b09e795e2ea93bb795a653c9b4c Mon Sep 17 00:00:00 2001
From: Ulf Lilleengen <ulf.lilleengen@gmail.com>
Date: Fri, 24 Jun 2022 19:56:15 +0200
Subject: Move bootloader main to examples

This should remove some confusion around embassy-boot-* being a library
vs. a binary. The binary is now an example bootloader instead.
---
 examples/boot/application/stm32h7/src/bin/a.rs | 40 ++++++++++++++++++++++++++
 examples/boot/application/stm32h7/src/bin/b.rs | 26 +++++++++++++++++
 2 files changed, 66 insertions(+)
 create mode 100644 examples/boot/application/stm32h7/src/bin/a.rs
 create mode 100644 examples/boot/application/stm32h7/src/bin/b.rs

(limited to 'examples/boot/application/stm32h7/src/bin')

diff --git a/examples/boot/application/stm32h7/src/bin/a.rs b/examples/boot/application/stm32h7/src/bin/a.rs
new file mode 100644
index 00000000..704979db
--- /dev/null
+++ b/examples/boot/application/stm32h7/src/bin/a.rs
@@ -0,0 +1,40 @@
+#![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.PC13, Pull::Down);
+    let mut button = ExtiInput::new(button, p.EXTI13);
+
+    let mut led = Output::new(p.PB14, Level::Low, Speed::Low);
+    led.set_high();
+
+    let mut updater = FirmwareUpdater::default();
+    button.wait_for_rising_edge().await;
+    let mut offset = 0;
+    let mut buf: [u8; 128 * 1024] = [0; 128 * 1024];
+    for chunk in APP_B.chunks(128 * 1024) {
+        buf[..chunk.len()].copy_from_slice(chunk);
+        updater.write_firmware(offset, &buf, &mut flash, 2048).await.unwrap();
+        offset += chunk.len();
+    }
+    updater.update(&mut flash).await.unwrap();
+    led.set_low();
+    cortex_m::peripheral::SCB::sys_reset();
+}
diff --git a/examples/boot/application/stm32h7/src/bin/b.rs b/examples/boot/application/stm32h7/src/bin/b.rs
new file mode 100644
index 00000000..ea014025
--- /dev/null
+++ b/examples/boot/application/stm32h7/src/bin/b.rs
@@ -0,0 +1,26 @@
+#![no_std]
+#![no_main]
+#![feature(type_alias_impl_trait)]
+
+#[cfg(feature = "defmt-rtt")]
+use defmt_rtt::*;
+use embassy::executor::Spawner;
+use embassy::time::{Duration, Timer};
+use embassy_stm32::gpio::{Level, Output, Speed};
+use embassy_stm32::Peripherals;
+use panic_reset as _;
+
+#[embassy::main]
+async fn main(_spawner: Spawner, p: Peripherals) {
+    Timer::after(Duration::from_millis(300)).await;
+    let mut led = Output::new(p.PB14, Level::High, Speed::Low);
+    led.set_high();
+
+    loop {
+        led.set_high();
+        Timer::after(Duration::from_millis(500)).await;
+
+        led.set_low();
+        Timer::after(Duration::from_millis(500)).await;
+    }
+}
-- 
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