Add feature flag for cpu_clock_hz() (#40)

lobaro · Nov 18, 2022 · 1ffc1a2 · 1ffc1a2
1 parent a539289
commit 1ffc1a2
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Showing 5 changed files with 7 additions and 1 deletion.
diff --git a/freertos-rust/Cargo.toml b/freertos-rust/Cargo.toml
@@ -23,4 +23,5 @@ allocator = []
 sync = ["interrupt"]
 time = ["interrupt"]
 hooks = []
-interrupt = []
+interrupt = []
+cpu_clock = []
diff --git a/freertos-rust/src/freertos/shim.c b/freertos-rust/src/freertos/shim.c
@@ -113,9 +113,11 @@ UBaseType_t freertos_rs_get_system_state(TaskStatus_t * const pxTaskStatusArray,
 	return uxTaskGetSystemState(pxTaskStatusArray, uxArraySize, pulTotalRunTime);
 }
 
+#ifdef configCPU_CLOCK_HZ
 unsigned long freertos_rs_get_configCPU_CLOCK_HZ() {
   return configCPU_CLOCK_HZ;
 }
+#endif
 
 TickType_t freertos_rs_get_portTICK_PERIOD_MS() {
 	return portTICK_PERIOD_MS;

diff --git a/freertos-rust/src/lib.rs b/freertos-rust/src/lib.rs
@@ -121,5 +121,6 @@ pub use crate::timers::*;
 #[cfg(any(feature = "time", feature = "sync"))]
 pub use crate::units::*;
 
+#[cfg(feature = "cpu_clock")]
 pub use crate::utils::cpu_clock_hz;
 pub use crate::utils::shim_sanity_check;
diff --git a/freertos-rust/src/shim.rs b/freertos-rust/src/shim.rs
@@ -16,6 +16,7 @@ extern "C" {
         xTimeIncrement: FreeRtosTickType,
     );
     pub fn freertos_rs_vTaskDelay(xTicksToDelay: FreeRtosTickType);
+    #[cfg(feature = "cpu_clock")]
     pub fn freertos_rs_get_configCPU_CLOCK_HZ() -> FreeRtosUnsignedLong;
     pub fn freertos_rs_get_portTICK_PERIOD_MS() -> FreeRtosTickType;
 

diff --git a/freertos-rust/src/utils.rs b/freertos-rust/src/utils.rs
@@ -9,6 +9,7 @@ pub struct TypeSizeError {
     rust_size: usize,
 }
 
+#[cfg(feature = "cpu_clock")]
 pub fn cpu_clock_hz() -> u32 {
   unsafe { freertos_rs_get_configCPU_CLOCK_HZ() }
 }