stm32: add rust stable support

15 files changed, 74 insertions, 16 deletions

diff --git a/examples/stm32f0/Cargo.toml b/examples/stm32f0/Cargo.toml
index ca06db031..0f76dabf0 100644
--- a/examples/stm32f0/Cargo.toml
+++ b/examples/stm32f0/Cargo.toml
@@ -14,5 +14,5 @@ defmt = "0.3"
 defmt-rtt = "0.3"
 panic-probe = "0.3"
 embassy = { path = "../../embassy", features = ["defmt"] }
-embassy-stm32 = { path = "../../embassy-stm32", features = ["defmt", "memory-x", "stm32f030f4", "time-driver-any"] }
+embassy-stm32 = { path = "../../embassy-stm32", features = ["nightly", "defmt", "memory-x", "stm32f030f4", "time-driver-any"] }
 
diff --git a/examples/stm32f1/Cargo.toml b/examples/stm32f1/Cargo.toml
index 677e40892..79be4b51c 100644
--- a/examples/stm32f1/Cargo.toml
+++ b/examples/stm32f1/Cargo.toml
@@ -7,7 +7,7 @@ resolver = "2"
 
 [dependencies]
 embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32f103c8", "unstable-pac", "memory-x", "time-driver-any"]  }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32f103c8", "unstable-pac", "memory-x", "time-driver-any"]  }
 
 defmt = "0.3"
 defmt-rtt = "0.3"
diff --git a/examples/stm32f3/Cargo.toml b/examples/stm32f3/Cargo.toml
index 8b6bc010c..3ce2bc8a2 100644
--- a/examples/stm32f3/Cargo.toml
+++ b/examples/stm32f3/Cargo.toml
@@ -7,7 +7,7 @@ resolver = "2"
 
 [dependencies]
 embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32f303vc", "unstable-pac", "memory-x", "time-driver-any", "exti"]  }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32f303vc", "unstable-pac", "memory-x", "time-driver-any", "exti"]  }
 
 defmt = "0.3"
 defmt-rtt = "0.3"
diff --git a/examples/stm32f4/Cargo.toml b/examples/stm32f4/Cargo.toml
index 798144c2b..8b6441655 100644
--- a/examples/stm32f4/Cargo.toml
+++ b/examples/stm32f4/Cargo.toml
@@ -8,7 +8,7 @@ resolver = "2"
 
 [dependencies]
 embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "unstable-traits"] }
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32f429zi", "unstable-pac", "memory-x", "time-driver-any", "exti", "usb-otg"]  }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32f429zi", "unstable-pac", "memory-x", "time-driver-any", "exti", "usb-otg"]  }
 
 defmt = "0.3"
 defmt-rtt = "0.3"
diff --git a/examples/stm32f7/Cargo.toml b/examples/stm32f7/Cargo.toml
index 0b724fd85..3f6858340 100644
--- a/examples/stm32f7/Cargo.toml
+++ b/examples/stm32f7/Cargo.toml
@@ -7,7 +7,7 @@ resolver = "2"
 
 [dependencies]
 embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "net", "stm32f767zi", "unstable-pac", "time-driver-any", "exti"]  }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "net", "stm32f767zi", "unstable-pac", "time-driver-any", "exti"]  }
 embassy-net = { path = "../../embassy-net", default-features = false, features = ["defmt", "tcp", "medium-ethernet", "pool-16"] }
 
 defmt = "0.3"
diff --git a/examples/stm32g0/Cargo.toml b/examples/stm32g0/Cargo.toml
index 5e33d79ca..a72ba5344 100644
--- a/examples/stm32g0/Cargo.toml
+++ b/examples/stm32g0/Cargo.toml
@@ -7,7 +7,7 @@ resolver = "2"
 
 [dependencies]
 embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "time-driver-any", "stm32g071rb", "memory-x", "unstable-pac", "exti"]  }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "time-driver-any", "stm32g071rb", "memory-x", "unstable-pac", "exti"]  }
 
 defmt = "0.3"
 defmt-rtt = "0.3"
diff --git a/examples/stm32g4/Cargo.toml b/examples/stm32g4/Cargo.toml
index f78066b7d..433a3673b 100644
--- a/examples/stm32g4/Cargo.toml
+++ b/examples/stm32g4/Cargo.toml
@@ -7,7 +7,7 @@ resolver = "2"
 
 [dependencies]
 embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "time-driver-any", "stm32g491re", "memory-x", "unstable-pac", "exti"]  }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "time-driver-any", "stm32g491re", "memory-x", "unstable-pac", "exti"]  }
 embassy-hal-common = {version = "0.1.0", path = "../../embassy-hal-common" }
 
 defmt = "0.3"
diff --git a/examples/stm32h7/Cargo.toml b/examples/stm32h7/Cargo.toml
index 59d99bbcb..2929f539c 100644
--- a/examples/stm32h7/Cargo.toml
+++ b/examples/stm32h7/Cargo.toml
@@ -9,7 +9,7 @@ resolver = "2"
 
 [dependencies]
 embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32h743bi", "net", "time-driver-any", "exti", "unstable-pac", "unstable-traits"] }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32h743bi", "net", "time-driver-any", "exti", "unstable-pac", "unstable-traits"] }
 embassy-net = { path = "../../embassy-net", default-features = false, features = ["defmt", "tcp", "medium-ethernet", "pool-16"] }
 embassy-hal-common = { path = "../../embassy-hal-common", default-features = false, features = ["defmt"] }
 
diff --git a/examples/stm32l0/Cargo.toml b/examples/stm32l0/Cargo.toml
index f5d1a1d41..ce4efa52c 100644
--- a/examples/stm32l0/Cargo.toml
+++ b/examples/stm32l0/Cargo.toml
@@ -5,14 +5,18 @@ name = "embassy-stm32l0-examples"
 version = "0.1.0"
 resolver = "2"
 
+[features]
+default = ["nightly"]
+nightly = ["embassy-stm32/nightly", "embassy-lora", "lorawan-device", "lorawan-encoding"]
+
 [dependencies]
 embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32l072cz", "time-driver-any", "exti", "unstable-traits", "memory-x"]  }
 
-embassy-lora = { version = "0.1.0", path = "../../embassy-lora", features = ["sx127x", "time", "defmt"] }
+embassy-lora = { version = "0.1.0", path = "../../embassy-lora", features = ["sx127x", "time", "defmt"], optional = true}
 
-lorawan-device = { git = "https://github.com/ivajloip/rust-lorawan.git", rev = "0de1a2a31933f7c97887b5718c1755fa5ab93a42", default-features = false, features = ["async"] }
-lorawan-encoding = { git = "https://github.com/ivajloip/rust-lorawan.git", rev = "0de1a2a31933f7c97887b5718c1755fa5ab93a42", default-features = false, features = ["default-crypto"] }
+lorawan-device = { git = "https://github.com/ivajloip/rust-lorawan.git", rev = "0de1a2a31933f7c97887b5718c1755fa5ab93a42", default-features = false, features = ["async"], optional = true }
+lorawan-encoding = { git = "https://github.com/ivajloip/rust-lorawan.git", rev = "0de1a2a31933f7c97887b5718c1755fa5ab93a42", default-features = false, features = ["default-crypto"], optional = true }
 
 defmt = "0.3"
 defmt-rtt = "0.3"
diff --git a/examples/stm32l0/src/bin/raw_spawn.rs b/examples/stm32l0/src/bin/raw_spawn.rs
new file mode 100644
index 000000000..9bb087c9e
--- /dev/null
+++ b/examples/stm32l0/src/bin/raw_spawn.rs
@@ -0,0 +1,54 @@
+#![no_std]
+#![no_main]
+
+#[path = "../example_common.rs"]
+mod example_common;
+use example_common::*;
+
+use core::mem;
+use cortex_m_rt::entry;
+
+use embassy::executor::raw::TaskStorage;
+use embassy::executor::Executor;
+use embassy::time::{Duration, Timer};
+use embassy::util::Forever;
+
+async fn run1() {
+    loop {
+        info!("BIG INFREQUENT TICK");
+        Timer::after(Duration::from_ticks(64000)).await;
+    }
+}
+
+async fn run2() {
+    loop {
+        info!("tick");
+        Timer::after(Duration::from_ticks(13000)).await;
+    }
+}
+
+static EXECUTOR: Forever<Executor> = Forever::new();
+
+#[entry]
+fn main() -> ! {
+    info!("Hello World!");
+
+    let _p = embassy_stm32::init(Default::default());
+    let executor = EXECUTOR.put(Executor::new());
+
+    let run1_task = TaskStorage::new();
+    let run2_task = TaskStorage::new();
+
+    // Safety: these variables do live forever if main never returns.
+    let run1_task = unsafe { make_static(&run1_task) };
+    let run2_task = unsafe { make_static(&run2_task) };
+
+    executor.run(|spawner| {
+        unwrap!(spawner.spawn(run1_task.spawn(|| run1())));
+        unwrap!(spawner.spawn(run2_task.spawn(|| run2())));
+    });
+}
+
+unsafe fn make_static<T>(t: &T) -> &'static T {
+    mem::transmute(t)
+}
diff --git a/examples/stm32l1/Cargo.toml b/examples/stm32l1/Cargo.toml
index 86252d558..0cdf59162 100644
--- a/examples/stm32l1/Cargo.toml
+++ b/examples/stm32l1/Cargo.toml
@@ -7,7 +7,7 @@ resolver = "2"
 
 [dependencies]
 embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32l151cb-a", "time-driver-any", "memory-x"]  }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32l151cb-a", "time-driver-any", "memory-x"]  }
 
 defmt = "0.3"
 defmt-rtt = "0.3"
diff --git a/examples/stm32l4/Cargo.toml b/examples/stm32l4/Cargo.toml
index 654d5f473..1d5a83fa1 100644
--- a/examples/stm32l4/Cargo.toml
+++ b/examples/stm32l4/Cargo.toml
@@ -10,7 +10,7 @@ resolver = "2"
 [dependencies]
 embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt" ] }
 embassy-traits = { version = "0.1.0", path = "../../embassy-traits" }
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "unstable-pac", "stm32l4s5vi", "time-driver-any", "exti", "unstable-traits"]  }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "unstable-pac", "stm32l4s5vi", "time-driver-any", "exti", "unstable-traits"]  }
 
 defmt = "0.3"
 defmt-rtt = "0.3"
diff --git a/examples/stm32u5/Cargo.toml b/examples/stm32u5/Cargo.toml
index 85a2d8455..87e69c68a 100644
--- a/examples/stm32u5/Cargo.toml
+++ b/examples/stm32u5/Cargo.toml
@@ -7,7 +7,7 @@ resolver = "2"
 
 [dependencies]
 embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "unstable-pac", "stm32u585ai", "memory-x" ]  }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "unstable-pac", "stm32u585ai", "memory-x" ]  }
 
 defmt = "0.3"
 defmt-rtt = "0.3"
diff --git a/examples/stm32wb55/Cargo.toml b/examples/stm32wb55/Cargo.toml
index e1c7689ef..bd066ef05 100644
--- a/examples/stm32wb55/Cargo.toml
+++ b/examples/stm32wb55/Cargo.toml
@@ -7,7 +7,7 @@ resolver = "2"
 
 [dependencies]
 embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32wb55cc", "time-driver-any", "exti"]  }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32wb55cc", "time-driver-any", "exti"]  }
 
 defmt = "0.3"
 defmt-rtt = "0.3"
diff --git a/examples/stm32wl55/Cargo.toml b/examples/stm32wl55/Cargo.toml
index f2e97699b..4901ea693 100644
--- a/examples/stm32wl55/Cargo.toml
+++ b/examples/stm32wl55/Cargo.toml
@@ -7,7 +7,7 @@ resolver = "2"
 
 [dependencies]
 embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32wl55jc-cm4", "time-driver-any", "memory-x", "subghz", "unstable-pac", "exti"]  }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32wl55jc-cm4", "time-driver-any", "memory-x", "subghz", "unstable-pac", "exti"]  }
 embassy-lora = { version = "0.1.0", path = "../../embassy-lora", features = ["stm32wl", "time"] }
 
 lorawan-device = { git = "https://github.com/ivajloip/rust-lorawan.git", rev = "0de1a2a31933f7c97887b5718c1755fa5ab93a42", default-features = false, features = ["async"] }