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boot/stm32: autodetect thumbv6, remove cargo feature.

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This commit is contained in:
Dario Nieuwenhuis 2022-05-31 23:52:27 +02:00
parent 962fabe5c9
commit d13d893ff2
5 changed files with 8 additions and 4 deletions
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1
embassy-boot/stm32/Cargo.toml
View File

@ -27,7 +27,6 @@ defmt = [
"embassy-stm32/defmt",
]
debug = ["defmt-rtt"]
thumbv6 = []
[profile.dev]
debug = 2

5
embassy-boot/stm32/build.rs
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@ -24,4 +24,9 @@ fn main() {
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");
}
}

2
embassy-boot/stm32/src/lib.rs
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@ -76,7 +76,7 @@ impl<const PAGE_SIZE: usize> BootLoader<PAGE_SIZE> {
trace!("Loading app at 0x{:x}", start);
#[allow(unused_mut)]
let mut p = cortex_m::Peripherals::steal();
#[cfg(not(feature = "thumbv6"))]
#[cfg(not(armv6m))]
p.SCB.invalidate_icache();
p.SCB.vtor.write(start as u32);

2
examples/boot/stm32l0/Cargo.toml
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@ -7,7 +7,7 @@ version = "0.1.0"
[dependencies]
embassy = { version = "0.1.0", path = "../../../embassy", features = ["nightly"] }
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", features = ["thumbv6"] }
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 }

2
examples/boot/stm32l0/README.md
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@ -15,7 +15,7 @@ application.
```
# Flash bootloader
cargo flash --manifest-path ../../../embassy-boot/stm32/Cargo.toml --release --features embassy-stm32/stm32l072cz,thumbv6 --chip STM32L072CZTx
cargo flash --manifest-path ../../../embassy-boot/stm32/Cargo.toml --release --features embassy-stm32/stm32l072cz --chip STM32L072CZTx
# Build 'b'
cargo build --release --bin b
# Generate binary for 'b'