Split embassy crate into embassy-executor, embassy-util.

embassy-hal-common/Cargo.toml

@@ -6,9 +6,8 @@ edition = "2021"
 [features]
 
 [dependencies]
-embassy = { version = "0.1.0", path = "../embassy" }
-
 defmt = { version = "0.3", optional = true }
 log = { version = "0.4.14", optional = true }
-cortex-m = "0.7.3"
+
+embassy-util = { version = "0.1.0", path = "../embassy-util" }
 num-traits = { version = "0.2.14", default-features = false }

embassy-hal-common/src/lib.rs

@@ -10,13 +10,3 @@ mod peripheral;
 pub mod ratio;
 pub mod ring_buffer;
 pub use peripheral::{Peripheral, PeripheralRef};
-
-/// Low power blocking wait loop using WFE/SEV.
-pub fn low_power_wait_until(mut condition: impl FnMut() -> bool) {
-    while !condition() {
-        // WFE might "eat" an event that would have otherwise woken the executor.
-        cortex_m::asm::wfe();
-    }
-    // Retrigger an event to be transparent to the executor.
-    cortex_m::asm::sev();
-}