feat: introduce executor-none

src/riot-rs-embassy/Cargo.toml

@@ -87,12 +87,16 @@ esp-wifi = { workspace = true, features = [
 
 [target.'cfg(context = "esp32c3")'.dependencies]
 esp-hal = { workspace = true, features = ["esp32c3"] }
-esp-hal-embassy = { workspace = true, default-features = false, features = ["esp32c3"] }
+esp-hal-embassy = { workspace = true, default-features = false, features = [
+  "esp32c3",
+] }
 esp-wifi = { workspace = true, features = ["esp32c3"], optional = true }
 
 [target.'cfg(context = "esp32c6")'.dependencies]
 esp-hal = { workspace = true, features = ["esp32c6"] }
-esp-hal-embassy = { workspace = true, default-features = false, features = ["esp32c6"] }
+esp-hal-embassy = { workspace = true, default-features = false, features = [
+  "esp32c6",
+] }
 esp-wifi = { workspace = true, features = ["esp32c6"], optional = true }
 
 [features]
@@ -118,6 +122,10 @@ threading = ["dep:riot-rs-threads"]
 override-network-config = []
 override-usb-config = []
 
-executor-single-thread = ["riot-rs-rt/executor-single-thread", "esp-hal-embassy?/executors"]
+executor-single-thread = [
+  "riot-rs-rt/executor-single-thread",
+  "esp-hal-embassy?/executors",
+]
 executor-interrupt = ["embassy-executor/executor-interrupt"]
 executor-thread = ["threading"]
+executor-none = []

src/riot-rs-embassy/src/lib.rs

@@ -76,11 +76,12 @@ pub static EMBASSY_TASKS: [Task] = [..];
 
 #[cfg(not(any(
     feature = "executor-interrupt",
+    feature = "executor-none",
     feature = "executor-single-thread",
     feature = "executor-thread"
 )))]
 compile_error!(
-    "must select one of \"executor-interrupt\", \"executor-single-thread\", \"executor-thread\"!"
+    "must select one of \"executor-interrupt\", \"executor-single-thread\", \"executor-thread\", \"executor-none\"!"
 );
 
 #[cfg(all(feature = "threading", feature = "executor-single-thread"))]

src/riot-rs/Cargo.toml

@@ -76,7 +76,7 @@ bench = ["dep:riot-rs-bench"]
 ## Prints nothing in case of panics (may help reduce binary size).
 silent-panic = ["riot-rs-rt/silent-panic"]
 ## Allows to have no boards selected, useful to run target-independent tooling.
-no-boards = ["riot-rs-boards/no-boards"]
+no-boards = ["riot-rs-boards/no-boards", "executor-none"]
 
 net = ["riot-rs-embassy/net"]
 
@@ -87,3 +87,5 @@ executor-interrupt = ["riot-rs-embassy/executor-interrupt"]
 executor-single-thread = ["riot-rs-embassy/executor-single-thread"]
 ## Use executor inside a riot-rs-threading thread
 executor-thread = ["riot-rs-embassy/executor-thread", "threading"]
+## Don't start any executor automatically. (used for compile testing only)
+executor-none = ["riot-rs-embassy/executor-none"]