Merge #831

831: Move bootloader main to examples r=lulf a=lulf

This should remove some confusion around embassy-boot-* being a library
vs. a binary. The binary is now an example bootloader instead.

Co-authored-by: Ulf Lilleengen <ulf.lilleengen@gmail.com>
Co-authored-by: Ulf Lilleengen <lulf@redhat.com>

ci.sh

@@ -86,14 +86,16 @@ cargo batch  \
     --- build --release --manifest-path examples/stm32u5/Cargo.toml --target thumbv8m.main-none-eabihf --out-dir out/examples/stm32u5 \
     --- build --release --manifest-path examples/stm32wb/Cargo.toml --target thumbv7em-none-eabihf --out-dir out/examples/stm32wb \
     --- build --release --manifest-path examples/stm32wl/Cargo.toml --target thumbv7em-none-eabihf --out-dir out/examples/stm32wl \
-    --- build --release --manifest-path examples/boot/nrf/Cargo.toml --target thumbv7em-none-eabi --out-dir out/examples/boot/nrf --bin b \
+    --- build --release --manifest-path examples/boot/application/nrf/Cargo.toml --target thumbv7em-none-eabi --out-dir out/examples/boot/nrf --bin b \
-    --- build --release --manifest-path examples/boot/stm32f3/Cargo.toml --target thumbv7em-none-eabi --out-dir out/examples/boot/stm32f3 --bin b \
+    --- build --release --manifest-path examples/boot/application/stm32f3/Cargo.toml --target thumbv7em-none-eabi --out-dir out/examples/boot/stm32f3 --bin b \
-    --- build --release --manifest-path examples/boot/stm32f7/Cargo.toml --target thumbv7em-none-eabi --out-dir out/examples/boot/stm32f7 --bin b \
+    --- build --release --manifest-path examples/boot/application/stm32f7/Cargo.toml --target thumbv7em-none-eabi --out-dir out/examples/boot/stm32f7 --bin b \
-    --- build --release --manifest-path examples/boot/stm32h7/Cargo.toml --target thumbv7em-none-eabi --out-dir out/examples/boot/stm32h7 --bin b \
+    --- build --release --manifest-path examples/boot/application/stm32h7/Cargo.toml --target thumbv7em-none-eabi --out-dir out/examples/boot/stm32h7 --bin b \
-    --- build --release --manifest-path examples/boot/stm32l0/Cargo.toml --target thumbv6m-none-eabi --out-dir out/examples/boot/stm32l0 --bin b \
+    --- build --release --manifest-path examples/boot/application/stm32l0/Cargo.toml --target thumbv6m-none-eabi --out-dir out/examples/boot/stm32l0 --bin b \
-    --- build --release --manifest-path examples/boot/stm32l1/Cargo.toml --target thumbv7m-none-eabi --out-dir out/examples/boot/stm32l1 --bin b \
+    --- build --release --manifest-path examples/boot/application/stm32l1/Cargo.toml --target thumbv7m-none-eabi --out-dir out/examples/boot/stm32l1 --bin b \
-    --- build --release --manifest-path examples/boot/stm32l4/Cargo.toml --target thumbv7em-none-eabi --out-dir out/examples/boot/stm32l4 --bin b \
+    --- build --release --manifest-path examples/boot/application/stm32l4/Cargo.toml --target thumbv7em-none-eabi --out-dir out/examples/boot/stm32l4 --bin b \
-    --- build --release --manifest-path examples/boot/stm32wl/Cargo.toml --target thumbv7em-none-eabihf --out-dir out/examples/boot/stm32wl --bin b \
+    --- build --release --manifest-path examples/boot/application/stm32wl/Cargo.toml --target thumbv7em-none-eabihf --out-dir out/examples/boot/stm32wl --bin b \
+    --- build --release --manifest-path examples/boot/bootloader/nrf/Cargo.toml --target thumbv7em-none-eabi --features embassy-nrf/nrf52840 \
+    --- build --release --manifest-path examples/boot/bootloader/stm32/Cargo.toml --target thumbv7em-none-eabi --features embassy-stm32/stm32wl55jc-cm4,embassy/time-tick-32768hz \
     --- build --release --manifest-path examples/wasm/Cargo.toml --target wasm32-unknown-unknown --out-dir out/examples/wasm \
     --- build --release --manifest-path tests/stm32/Cargo.toml --target thumbv7m-none-eabi --features stm32f103c8 --out-dir out/tests/bluepill-stm32f103c8 \
     --- build --release --manifest-path tests/stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32f429zi --out-dir out/tests/nucleo-stm32f429zi \

embassy-boot/nrf/Cargo.toml

@@ -2,11 +2,12 @@
 edition = "2021"
 name = "embassy-boot-nrf"
 version = "0.1.0"
-description = "Bootloader for nRF chips"
+description = "Bootloader lib for nRF chips"
+
+[lib]
 
 [dependencies]
 defmt = { version = "0.3", optional = true }
-defmt-rtt = { version = "0.3", optional = true }
 
 embassy = { path = "../../embassy", default-features = false }
 embassy-nrf = { path = "../../embassy-nrf", default-features = false, features = ["nightly"] }
@@ -28,35 +29,3 @@ defmt = [
 softdevice = [
     "nrf-softdevice-mbr",
 ]
-debug = ["defmt-rtt"]
-
-[profile.dev]
-debug = 2
-debug-assertions = true
-incremental = false
-opt-level = 'z'
-overflow-checks = true
-
-[profile.release]
-codegen-units = 1
-debug = 2
-debug-assertions = false
-incremental = false
-lto = 'fat'
-opt-level = 'z'
-overflow-checks = false
-
-# do not optimize proc-macro crates = faster builds from scratch
-[profile.dev.build-override]
-codegen-units = 8
-debug = false
-debug-assertions = false
-opt-level = 0
-overflow-checks = false
-
-[profile.release.build-override]
-codegen-units = 8
-debug = false
-debug-assertions = false
-opt-level = 0
-overflow-checks = false

embassy-boot/stm32/Cargo.toml

@@ -2,7 +2,9 @@
 edition = "2021"
 name = "embassy-boot-stm32"
 version = "0.1.0"
-description = "Bootloader for STM32 chips"
+description = "Bootloader lib for STM32 chips"
+
+[lib]
 
 [dependencies]
 defmt = { version = "0.3", optional = true }

embassy-boot/stm32/build.rs

@@ -4,27 +4,6 @@ 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());
-
-    // By default, Cargo will re-run a build script whenever
-    // any file in the project changes. By specifying `memory.x`
-    // here, we ensure the build script is only re-run when
-    // `memory.x` is changed.
-    println!("cargo:rerun-if-changed=memory.x");
-
-    println!("cargo:rustc-link-arg-bins=--nmagic");
-    println!("cargo:rustc-link-arg-bins=-Tlink.x");
-    if env::var("CARGO_FEATURE_DEFMT").is_ok() {
-        println!("cargo:rustc-link-arg-bins=-Tdefmt.x");
-    }
-
     let target = env::var("TARGET").unwrap();
     if target.starts_with("thumbv6m-") {
         println!("cargo:rustc-cfg=armv6m");

examples/boot/application/nrf/Cargo.toml

@@ -0,0 +1,18 @@
+[package]
+edition = "2021"
+name = "embassy-boot-nrf-examples"
+version = "0.1.0"
+
+[dependencies]
+embassy = { version = "0.1.0", path = "../../../../embassy", features = ["nightly"] }
+embassy-nrf = { version = "0.1.0", path = "../../../../embassy-nrf", features = ["time-driver-rtc1", "gpiote", "nightly", "nrf52840"] }
+embassy-boot-nrf = { version = "0.1.0", path = "../../../../embassy-boot/nrf" }
+embassy-embedded-hal = { version = "0.1.0", path = "../../../../embassy-embedded-hal" }
+
+defmt = { version = "0.3", optional = true }
+defmt-rtt = { version = "0.3", optional = true }
+panic-reset = { version = "0.1.1" }
+embedded-hal = { version = "0.2.6" }
+
+cortex-m = "0.7.3"
+cortex-m-rt = "0.7.0"

examples/boot/application/nrf/README.md

@@ -17,10 +17,10 @@ application.
 
 ```
 # Use bare metal linker script
-cp memory-bl.x ../../../embassy-boot/nrf/memory.x
+cp memory-bl.x ../../bootloader/nrf/memory.x
 
 # Flash bootloader
-cargo flash --manifest-path ../../../embassy-boot/nrf/Cargo.toml --features embassy-nrf/nrf52840 --release --chip nRF52840_xxAA
+cargo flash --manifest-path ../../bootloader/nrf/Cargo.toml --features embassy-nrf/nrf52840 --release --chip nRF52840_xxAA
 # Build 'b'
 cargo build --release --bin b
 # Generate binary for 'b'

examples/boot/application/stm32f3/Cargo.toml

@@ -0,0 +1,25 @@
+[package]
+edition = "2021"
+name = "embassy-boot-stm32f3-examples"
+version = "0.1.0"
+
+[dependencies]
+embassy = { version = "0.1.0", path = "../../../../embassy", features = ["nightly", "time-tick-32768hz"] }
+embassy-stm32 = { version = "0.1.0", path = "../../../../embassy-stm32", features = ["unstable-traits", "nightly", "stm32f303re", "time-driver-any", "exti"]  }
+embassy-boot-stm32 = { version = "0.1.0", path = "../../../../embassy-boot/stm32" }
+embassy-embedded-hal = { version = "0.1.0", path = "../../../../embassy-embedded-hal" }
+
+defmt = { version = "0.3", optional = true }
+defmt-rtt = { version = "0.3", optional = true }
+panic-reset = { version = "0.1.1" }
+embedded-hal = { version = "0.2.6" }
+
+cortex-m = "0.7.3"
+cortex-m-rt = "0.7.0"
+
+[features]
+defmt = [
+      "dep:defmt",
+      "embassy-stm32/defmt",
+      "embassy-boot-stm32/defmt",
+]

examples/boot/application/stm32f3/README.md

@@ -15,7 +15,7 @@ application.
 
 ```
 # Flash bootloader
-cargo flash --manifest-path ../../../embassy-boot/stm32/Cargo.toml --release --features embassy-stm32/stm32f303re --chip STM32F303RETx
+cargo flash --manifest-path ../../bootloader/stm32/Cargo.toml --release --features embassy-stm32/stm32f303re --chip STM32F303RETx
 # Build 'b'
 cargo build --release --bin b
 # Generate binary for 'b'

examples/boot/application/stm32f7/Cargo.toml

@@ -0,0 +1,25 @@
+[package]
+edition = "2021"
+name = "embassy-boot-stm32f7-examples"
+version = "0.1.0"
+
+[dependencies]
+embassy = { version = "0.1.0", path = "../../../../embassy", features = ["nightly", "time-tick-32768hz"] }
+embassy-stm32 = { version = "0.1.0", path = "../../../../embassy-stm32", features = ["unstable-traits", "nightly", "stm32f767zi", "time-driver-any", "exti"]  }
+embassy-boot-stm32 = { version = "0.1.0", path = "../../../../embassy-boot/stm32" }
+embassy-embedded-hal = { version = "0.1.0", path = "../../../../embassy-embedded-hal" }
+
+defmt = { version = "0.3", optional = true }
+defmt-rtt = { version = "0.3", optional = true }
+panic-reset = { version = "0.1.1" }
+embedded-hal = { version = "0.2.6" }
+
+cortex-m = "0.7.3"
+cortex-m-rt = "0.7.0"
+
+[features]
+defmt = [
+      "dep:defmt",
+      "embassy-stm32/defmt",
+      "embassy-boot-stm32/defmt",
+]

examples/boot/application/stm32f7/flash-boot.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+mv ../../bootloader/stm32/memory.x ../../bootloader/stm32/memory-old.x
+cp memory-bl.x ../../bootloader/stm32/memory.x
+
+cargo flash --manifest-path ../../bootloader/stm32/Cargo.toml --release --features embassy-stm32/stm32f767zi --chip STM32F767ZITx --target thumbv7em-none-eabihf
+
+rm ../../bootloader/stm32/memory.x
+mv ../../bootloader/stm32/memory-old.x ../../bootloader/stm32/memory.x

examples/boot/application/stm32h7/Cargo.toml

@@ -0,0 +1,25 @@
+[package]
+edition = "2021"
+name = "embassy-boot-stm32f7-examples"
+version = "0.1.0"
+
+[dependencies]
+embassy = { version = "0.1.0", path = "../../../../embassy", features = ["nightly", "time-tick-32768hz"] }
+embassy-stm32 = { version = "0.1.0", path = "../../../../embassy-stm32", features = ["unstable-traits", "nightly", "stm32h743zi", "time-driver-any", "exti"]  }
+embassy-boot-stm32 = { version = "0.1.0", path = "../../../../embassy-boot/stm32" }
+embassy-embedded-hal = { version = "0.1.0", path = "../../../../embassy-embedded-hal" }
+
+defmt = { version = "0.3", optional = true }
+defmt-rtt = { version = "0.3", optional = true }
+panic-reset = { version = "0.1.1" }
+embedded-hal = { version = "0.2.6" }
+
+cortex-m = "0.7.3"
+cortex-m-rt = "0.7.0"
+
+[features]
+defmt = [
+      "dep:defmt",
+      "embassy-stm32/defmt",
+      "embassy-boot-stm32/defmt",
+]

examples/boot/application/stm32h7/flash-boot.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+mv ../../bootloader/stm32/memory.x ../../bootloader/stm32/memory-old.x
+cp memory-bl.x ../../bootloader/stm32/memory.x
+
+cargo flash --manifest-path ../../bootloader/stm32/Cargo.toml --release --features embassy-stm32/stm32f767zi --chip STM32F767ZITx --target thumbv7em-none-eabihf
+
+rm ../../bootloader/stm32/memory.x
+mv ../../bootloader/stm32/memory-old.x ../../bootloader/stm32/memory.x

examples/boot/application/stm32l0/Cargo.toml

@@ -0,0 +1,25 @@
+[package]
+edition = "2021"
+name = "embassy-boot-stm32l0-examples"
+version = "0.1.0"
+
+[dependencies]
+embassy = { version = "0.1.0", path = "../../../../embassy", features = ["nightly", "time-tick-32768hz"] }
+embassy-stm32 = { version = "0.1.0", path = "../../../../embassy-stm32", features = ["unstable-traits", "nightly", "stm32l072cz", "time-driver-any", "exti", "memory-x"]  }
+embassy-boot-stm32 = { version = "0.1.0", path = "../../../../embassy-boot/stm32" }
+embassy-embedded-hal = { version = "0.1.0", path = "../../../../embassy-embedded-hal" }
+
+defmt = { version = "0.3", optional = true }
+defmt-rtt = { version = "0.3", optional = true }
+panic-reset = { version = "0.1.1" }
+embedded-hal = { version = "0.2.6" }
+
+cortex-m = "0.7.3"
+cortex-m-rt = "0.7.0"
+
+[features]
+defmt = [
+      "dep:defmt",
+      "embassy-stm32/defmt",
+      "embassy-boot-stm32/defmt",
+]

examples/boot/application/stm32l0/README.md

@@ -15,7 +15,7 @@ application.
 
 ```
 # Flash bootloader
-cargo flash --manifest-path ../../../embassy-boot/stm32/Cargo.toml --release --features embassy-stm32/stm32l072cz --chip STM32L072CZTx
+cargo flash --manifest-path ../../bootloader/stm32/Cargo.toml --release --features embassy-stm32/stm32l072cz --chip STM32L072CZTx
 # Build 'b'
 cargo build --release --bin b
 # Generate binary for 'b'

examples/boot/application/stm32l1/Cargo.toml

@@ -0,0 +1,25 @@
+[package]
+edition = "2021"
+name = "embassy-boot-stm32l1-examples"
+version = "0.1.0"
+
+[dependencies]
+embassy = { version = "0.1.0", path = "../../../../embassy", features = ["nightly", "time-tick-32768hz"] }
+embassy-stm32 = { version = "0.1.0", path = "../../../../embassy-stm32", features = ["unstable-traits", "nightly", "stm32l151cb-a", "time-driver-any", "exti"]  }
+embassy-boot-stm32 = { version = "0.1.0", path = "../../../../embassy-boot/stm32" }
+embassy-embedded-hal = { version = "0.1.0", path = "../../../../embassy-embedded-hal" }
+
+defmt = { version = "0.3", optional = true }
+defmt-rtt = { version = "0.3", optional = true }
+panic-reset = { version = "0.1.1" }
+embedded-hal = { version = "0.2.6" }
+
+cortex-m = "0.7.3"
+cortex-m-rt = "0.7.0"
+
+[features]
+defmt = [
+      "dep:defmt",
+      "embassy-stm32/defmt",
+      "embassy-boot-stm32/defmt",
+]

examples/boot/application/stm32l1/README.md

@@ -15,7 +15,7 @@ application.
 
 ```
 # Flash bootloader
-cargo flash --manifest-path ../../../embassy-boot/stm32/Cargo.toml --release --features embassy-stm32/stm32l151cb-a --chip STM32L151CBxxA
+cargo flash --manifest-path ../../bootloader/stm32/Cargo.toml --release --features embassy-stm32/stm32l151cb-a --chip STM32L151CBxxA
 # Build 'b'
 cargo build --release --bin b
 # Generate binary for 'b'

examples/boot/application/stm32l4/Cargo.toml

@@ -0,0 +1,25 @@
+[package]
+edition = "2021"
+name = "embassy-boot-stm32l4-examples"
+version = "0.1.0"
+
+[dependencies]
+embassy = { version = "0.1.0", path = "../../../../embassy", features = ["nightly", "time-tick-32768hz"] }
+embassy-stm32 = { version = "0.1.0", path = "../../../../embassy-stm32", features = ["unstable-traits", "nightly", "stm32l475vg", "time-driver-any", "exti"]  }
+embassy-boot-stm32 = { version = "0.1.0", path = "../../../../embassy-boot/stm32" }
+embassy-embedded-hal = { version = "0.1.0", path = "../../../../embassy-embedded-hal" }
+
+defmt = { version = "0.3", optional = true }
+defmt-rtt = { version = "0.3", optional = true }
+panic-reset = { version = "0.1.1" }
+embedded-hal = { version = "0.2.6" }
+
+cortex-m = "0.7.3"
+cortex-m-rt = "0.7.0"
+
+[features]
+defmt = [
+      "dep:defmt",
+      "embassy-stm32/defmt",
+      "embassy-boot-stm32/defmt",
+]

examples/boot/application/stm32l4/README.md

@@ -15,7 +15,7 @@ application.
 
 ```
 # Flash bootloader
-cargo flash --manifest-path ../../../embassy-boot/stm32/Cargo.toml --release --features embassy-stm32/stm32l475vg --chip STM32L475VG
+cargo flash --manifest-path ../../bootloader/stm32/Cargo.toml --release --features embassy-stm32/stm32l475vg --chip STM32L475VG
 # Build 'b'
 cargo build --release --bin b
 # Generate binary for 'b'

examples/boot/application/stm32wl/Cargo.toml

@@ -0,0 +1,25 @@
+[package]
+edition = "2021"
+name = "embassy-boot-stm32wl-examples"
+version = "0.1.0"
+
+[dependencies]
+embassy = { version = "0.1.0", path = "../../../../embassy", features = ["nightly", "time-tick-32768hz"] }
+embassy-stm32 = { version = "0.1.0", path = "../../../../embassy-stm32", features = ["unstable-traits", "nightly", "stm32wl55jc-cm4", "time-driver-any", "exti"]  }
+embassy-boot-stm32 = { version = "0.1.0", path = "../../../../embassy-boot/stm32" }
+embassy-embedded-hal = { version = "0.1.0", path = "../../../../embassy-embedded-hal" }
+
+defmt = { version = "0.3", optional = true }
+defmt-rtt = { version = "0.3", optional = true }
+panic-reset = { version = "0.1.1" }
+embedded-hal = { version = "0.2.6" }
+
+cortex-m = "0.7.3"
+cortex-m-rt = "0.7.0"
+
+[features]
+defmt = [
+      "dep:defmt",
+      "embassy-stm32/defmt",
+      "embassy-boot-stm32/defmt",
+]

examples/boot/application/stm32wl/README.md

@@ -15,7 +15,7 @@ application.
 
 ```
 # Flash bootloader
-cargo flash --manifest-path ../../../embassy-boot/stm32/Cargo.toml --release --features embassy-stm32/stm32wl55jc-cm4 --chip STM32WLE5JCIx
+cargo flash --manifest-path ../../bootloader/stm32/Cargo.toml --release --features embassy-stm32/stm32wl55jc-cm4 --chip STM32WLE5JCIx
 # Build 'b'
 cargo build --release --bin b
 # Generate binary for 'b'

examples/boot/bootloader/nrf/Cargo.toml

@@ -0,0 +1,58 @@
+[package]
+edition = "2021"
+name = "nrf-bootloader-example"
+version = "0.1.0"
+description = "Bootloader for nRF chips"
+
+[dependencies]
+defmt = { version = "0.3", optional = true }
+defmt-rtt = { version = "0.3", optional = true }
+
+embassy = { path = "../../../../embassy", default-features = false }
+embassy-nrf = { path = "../../../../embassy-nrf", default-features = false, features = ["nightly"] }
+embassy-boot-nrf = { path = "../../../../embassy-boot/nrf", default-features = false }
+cortex-m = { version = "0.7" }
+cortex-m-rt = { version = "0.7" }
+cfg-if = "1.0.0"
+
+[features]
+defmt = [
+    "dep:defmt",
+    "embassy-boot-nrf/defmt",
+    "embassy-nrf/defmt",
+]
+softdevice = [
+    "embassy-boot-nrf/softdevice",
+]
+debug = ["defmt-rtt"]
+
+[profile.dev]
+debug = 2
+debug-assertions = true
+incremental = false
+opt-level = 'z'
+overflow-checks = true
+
+[profile.release]
+codegen-units = 1
+debug = 2
+debug-assertions = false
+incremental = false
+lto = 'fat'
+opt-level = 'z'
+overflow-checks = false
+
+# do not optimize proc-macro crates = faster builds from scratch
+[profile.dev.build-override]
+codegen-units = 8
+debug = false
+debug-assertions = false
+opt-level = 0
+overflow-checks = false
+
+[profile.release.build-override]
+codegen-units = 8
+debug = false
+debug-assertions = false
+opt-level = 0
+overflow-checks = false

examples/boot/bootloader/stm32/Cargo.toml

@@ -0,0 +1,57 @@
+[package]
+edition = "2021"
+name = "stm32-bootloader-example"
+version = "0.1.0"
+description = "Example bootloader for STM32 chips"
+
+[dependencies]
+defmt = { version = "0.3", optional = true }
+defmt-rtt = { version = "0.3", optional = true }
+
+embassy = { path = "../../../../embassy", default-features = false }
+embassy-stm32 = { path = "../../../../embassy-stm32", default-features = false, features = ["nightly"] }
+embassy-boot-stm32 = { path = "../../../../embassy-boot/stm32", default-features = false }
+cortex-m = { version = "0.7" }
+cortex-m-rt = { version = "0.7" }
+embedded-storage = "0.3.0"
+embedded-storage-async = "0.3.0"
+cfg-if = "1.0.0"
+
+[features]
+defmt = [
+    "dep:defmt",
+    "embassy-boot-stm32/defmt",
+    "embassy-stm32/defmt",
+]
+debug = ["defmt-rtt"]
+
+[profile.dev]
+debug = 2
+debug-assertions = true
+incremental = false
+opt-level = 'z'
+overflow-checks = true
+
+[profile.release]
+codegen-units = 1
+debug = 2
+debug-assertions = false
+incremental = false
+lto = 'fat'
+opt-level = 'z'
+overflow-checks = false
+
+# do not optimize proc-macro crates = faster builds from scratch
+[profile.dev.build-override]
+codegen-units = 8
+debug = false
+debug-assertions = false
+opt-level = 0
+overflow-checks = false
+
+[profile.release.build-override]
+codegen-units = 8
+debug = false
+debug-assertions = false
+opt-level = 0
+overflow-checks = false

examples/boot/bootloader/stm32/README.md

@@ -0,0 +1,11 @@
+# Bootloader for STM32
+
+The bootloader uses `embassy-boot` to interact with the flash.
+
+# Usage
+
+Flash the bootloader
+
+```
+cargo flash --features embassy-stm32/stm32wl55jc-cm4 --release --chip STM32WLE5JCIx
+```

examples/boot/bootloader/stm32/build.rs

@@ -0,0 +1,27 @@
+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());
+
+    // By default, Cargo will re-run a build script whenever
+    // any file in the project changes. By specifying `memory.x`
+    // here, we ensure the build script is only re-run when
+    // `memory.x` is changed.
+    println!("cargo:rerun-if-changed=memory.x");
+
+    println!("cargo:rustc-link-arg-bins=--nmagic");
+    println!("cargo:rustc-link-arg-bins=-Tlink.x");
+    if env::var("CARGO_FEATURE_DEFMT").is_ok() {
+        println!("cargo:rustc-link-arg-bins=-Tdefmt.x");
+    }
+}

examples/boot/nrf/Cargo.toml

@@ -1,18 +0,0 @@
-[package]
-edition = "2021"
-name = "embassy-boot-nrf-examples"
-version = "0.1.0"
-
-[dependencies]
-embassy = { version = "0.1.0", path = "../../../embassy", features = ["nightly"] }
-embassy-nrf = { version = "0.1.0", path = "../../../embassy-nrf", features = ["time-driver-rtc1", "gpiote", "nightly", "nrf52840"] }
-embassy-boot-nrf = { version = "0.1.0", path = "../../../embassy-boot/nrf" }
-embassy-embedded-hal = { version = "0.1.0", path = "../../../embassy-embedded-hal" }
-
-defmt = { version = "0.3", optional = true }
-defmt-rtt = { version = "0.3", optional = true }
-panic-reset = { version = "0.1.1" }
-embedded-hal = { version = "0.2.6" }
-
-cortex-m = "0.7.3"
-cortex-m-rt = "0.7.0"

examples/boot/stm32f3/Cargo.toml

@@ -1,25 +0,0 @@
-[package]
-edition = "2021"
-name = "embassy-boot-stm32f3-examples"
-version = "0.1.0"
-
-[dependencies]
-embassy = { version = "0.1.0", path = "../../../embassy", features = ["nightly", "time-tick-32768hz"] }
-embassy-stm32 = { version = "0.1.0", path = "../../../embassy-stm32", features = ["unstable-traits", "nightly", "stm32f303re", "time-driver-any", "exti"]  }
-embassy-boot-stm32 = { version = "0.1.0", path = "../../../embassy-boot/stm32" }
-embassy-embedded-hal = { version = "0.1.0", path = "../../../embassy-embedded-hal" }
-
-defmt = { version = "0.3", optional = true }
-defmt-rtt = { version = "0.3", optional = true }
-panic-reset = { version = "0.1.1" }
-embedded-hal = { version = "0.2.6" }
-
-cortex-m = "0.7.3"
-cortex-m-rt = "0.7.0"
-
-[features]
-defmt = [
-      "dep:defmt",
-      "embassy-stm32/defmt",
-      "embassy-boot-stm32/defmt",
-]

examples/boot/stm32f7/Cargo.toml

@@ -1,25 +0,0 @@
-[package]
-edition = "2021"
-name = "embassy-boot-stm32f7-examples"
-version = "0.1.0"
-
-[dependencies]
-embassy = { version = "0.1.0", path = "../../../embassy", features = ["nightly", "time-tick-32768hz"] }
-embassy-stm32 = { version = "0.1.0", path = "../../../embassy-stm32", features = ["unstable-traits", "nightly", "stm32f767zi", "time-driver-any", "exti"]  }
-embassy-boot-stm32 = { version = "0.1.0", path = "../../../embassy-boot/stm32" }
-embassy-embedded-hal = { version = "0.1.0", path = "../../../embassy-embedded-hal" }
-
-defmt = { version = "0.3", optional = true }
-defmt-rtt = { version = "0.3", optional = true }
-panic-reset = { version = "0.1.1" }
-embedded-hal = { version = "0.2.6" }
-
-cortex-m = "0.7.3"
-cortex-m-rt = "0.7.0"
-
-[features]
-defmt = [
-      "dep:defmt",
-      "embassy-stm32/defmt",
-      "embassy-boot-stm32/defmt",
-]

examples/boot/stm32f7/flash-boot.sh

@@ -1,8 +0,0 @@
-#!/bin/bash
-mv ../../../embassy-boot/stm32/memory.x ../../../embassy-boot/stm32/memory-old.x
-cp memory-bl.x ../../../embassy-boot/stm32/memory.x
-
-cargo flash --manifest-path ../../../embassy-boot/stm32/Cargo.toml --release --features embassy-stm32/stm32f767zi --chip STM32F767ZITx --target thumbv7em-none-eabihf
-
-rm ../../../embassy-boot/stm32/memory.x
-mv ../../../embassy-boot/stm32/memory-old.x ../../../embassy-boot/stm32/memory.x

examples/boot/stm32h7/Cargo.toml

@@ -1,25 +0,0 @@
-[package]
-edition = "2021"
-name = "embassy-boot-stm32f7-examples"
-version = "0.1.0"
-
-[dependencies]
-embassy = { version = "0.1.0", path = "../../../embassy", features = ["nightly", "time-tick-32768hz"] }
-embassy-stm32 = { version = "0.1.0", path = "../../../embassy-stm32", features = ["unstable-traits", "nightly", "stm32h743zi", "time-driver-any", "exti"]  }
-embassy-boot-stm32 = { version = "0.1.0", path = "../../../embassy-boot/stm32" }
-embassy-embedded-hal = { version = "0.1.0", path = "../../../embassy-embedded-hal" }
-
-defmt = { version = "0.3", optional = true }
-defmt-rtt = { version = "0.3", optional = true }
-panic-reset = { version = "0.1.1" }
-embedded-hal = { version = "0.2.6" }
-
-cortex-m = "0.7.3"
-cortex-m-rt = "0.7.0"
-
-[features]
-defmt = [
-      "dep:defmt",
-      "embassy-stm32/defmt",
-      "embassy-boot-stm32/defmt",
-]

examples/boot/stm32h7/flash-boot.sh

@@ -1,8 +0,0 @@
-#!/bin/bash
-mv ../../../embassy-boot/stm32/memory.x ../../../embassy-boot/stm32/memory-old.x
-cp memory-bl.x ../../../embassy-boot/stm32/memory.x
-
-cargo flash --manifest-path ../../../embassy-boot/stm32/Cargo.toml --release --features embassy-stm32/stm32f767zi --chip STM32H743ZITx --target thumbv7em-none-eabihf
-
-rm ../../../embassy-boot/stm32/memory.x
-mv ../../../embassy-boot/stm32/memory-old.x ../../../embassy-boot/stm32/memory.x

examples/boot/stm32l0/Cargo.toml

@@ -1,25 +0,0 @@
-[package]
-edition = "2021"
-name = "embassy-boot-stm32l0-examples"
-version = "0.1.0"
-
-[dependencies]
-embassy = { version = "0.1.0", path = "../../../embassy", features = ["nightly", "time-tick-32768hz"] }
-embassy-stm32 = { version = "0.1.0", path = "../../../embassy-stm32", features = ["unstable-traits", "nightly", "stm32l072cz", "time-driver-any", "exti", "memory-x"]  }
-embassy-boot-stm32 = { version = "0.1.0", path = "../../../embassy-boot/stm32" }
-embassy-embedded-hal = { version = "0.1.0", path = "../../../embassy-embedded-hal" }
-
-defmt = { version = "0.3", optional = true }
-defmt-rtt = { version = "0.3", optional = true }
-panic-reset = { version = "0.1.1" }
-embedded-hal = { version = "0.2.6" }
-
-cortex-m = "0.7.3"
-cortex-m-rt = "0.7.0"
-
-[features]
-defmt = [
-      "dep:defmt",
-      "embassy-stm32/defmt",
-      "embassy-boot-stm32/defmt",
-]

examples/boot/stm32l1/Cargo.toml

@@ -1,25 +0,0 @@
-[package]
-edition = "2021"
-name = "embassy-boot-stm32l1-examples"
-version = "0.1.0"
-
-[dependencies]
-embassy = { version = "0.1.0", path = "../../../embassy", features = ["nightly", "time-tick-32768hz"] }
-embassy-stm32 = { version = "0.1.0", path = "../../../embassy-stm32", features = ["unstable-traits", "nightly", "stm32l151cb-a", "time-driver-any", "exti"]  }
-embassy-boot-stm32 = { version = "0.1.0", path = "../../../embassy-boot/stm32" }
-embassy-embedded-hal = { version = "0.1.0", path = "../../../embassy-embedded-hal" }
-
-defmt = { version = "0.3", optional = true }
-defmt-rtt = { version = "0.3", optional = true }
-panic-reset = { version = "0.1.1" }
-embedded-hal = { version = "0.2.6" }
-
-cortex-m = "0.7.3"
-cortex-m-rt = "0.7.0"
-
-[features]
-defmt = [
-      "dep:defmt",
-      "embassy-stm32/defmt",
-      "embassy-boot-stm32/defmt",
-]

examples/boot/stm32l4/Cargo.toml

@@ -1,25 +0,0 @@
-[package]
-edition = "2021"
-name = "embassy-boot-stm32l4-examples"
-version = "0.1.0"
-
-[dependencies]
-embassy = { version = "0.1.0", path = "../../../embassy", features = ["nightly", "time-tick-32768hz"] }
-embassy-stm32 = { version = "0.1.0", path = "../../../embassy-stm32", features = ["unstable-traits", "nightly", "stm32l475vg", "time-driver-any", "exti"]  }
-embassy-boot-stm32 = { version = "0.1.0", path = "../../../embassy-boot/stm32" }
-embassy-embedded-hal = { version = "0.1.0", path = "../../../embassy-embedded-hal" }
-
-defmt = { version = "0.3", optional = true }
-defmt-rtt = { version = "0.3", optional = true }
-panic-reset = { version = "0.1.1" }
-embedded-hal = { version = "0.2.6" }
-
-cortex-m = "0.7.3"
-cortex-m-rt = "0.7.0"
-
-[features]
-defmt = [
-      "dep:defmt",
-      "embassy-stm32/defmt",
-      "embassy-boot-stm32/defmt",
-]

examples/boot/stm32wl/Cargo.toml

@@ -1,25 +0,0 @@
-[package]
-edition = "2021"
-name = "embassy-boot-stm32wl-examples"
-version = "0.1.0"
-
-[dependencies]
-embassy = { version = "0.1.0", path = "../../../embassy", features = ["nightly", "time-tick-32768hz"] }
-embassy-stm32 = { version = "0.1.0", path = "../../../embassy-stm32", features = ["unstable-traits", "nightly", "stm32wl55jc-cm4", "time-driver-any", "exti"]  }
-embassy-boot-stm32 = { version = "0.1.0", path = "../../../embassy-boot/stm32" }
-embassy-embedded-hal = { version = "0.1.0", path = "../../../embassy-embedded-hal" }
-
-defmt = { version = "0.3", optional = true }
-defmt-rtt = { version = "0.3", optional = true }
-panic-reset = { version = "0.1.1" }
-embedded-hal = { version = "0.2.6" }
-
-cortex-m = "0.7.3"
-cortex-m-rt = "0.7.0"
-
-[features]
-defmt = [
-      "dep:defmt",
-      "embassy-stm32/defmt",
-      "embassy-boot-stm32/defmt",
-]