explicit illegal no sync/async features

w3irdrobot · Sep 2, 2024 · 764656e · 764656e
1 parent 924d5e3
commit 764656e
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/Cargo.toml b/Cargo.toml
@@ -13,7 +13,7 @@ version = "0.1.0"
 
 [dependencies]
 defmt = { version = "0.3", optional = true }
-embedded-hal = { version = "1.0" }
+embedded-hal = { version = "1.0", optional = true }
 embedded-hal-async = { version = "1.0", optional = true }
 log = { version = "0.4", optional = true }
 maybe-async-cfg = "0.2"
@@ -22,7 +22,7 @@ maybe-async-cfg = "0.2"
 async = ["dep:embedded-hal-async"]
 default = ["sync"]
 defmt-03 = ["dep:defmt"]
-sync = []
+sync = ["dep:embedded-hal"]
 
 [dev-dependencies]
 embedded-hal-mock = { version = "0.11.1", default-features = false, features = [

diff --git a/src/lib.rs b/src/lib.rs
@@ -17,6 +17,9 @@ pub(crate) mod fmt;
 mod error;
 pub use error::{Error, Result};
 
+#[cfg(not(any(feature = "sync", feature = "async")))]
+compile_error!("You should probably choose at least one of `sync` and `async` features.");
+
 #[cfg(feature = "sync")]
 use embedded_hal::i2c::ErrorType;
 #[cfg(feature = "async")]