diff options
| -rw-r--r-- | src/peripheral/dwt.rs | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/src/peripheral/dwt.rs b/src/peripheral/dwt.rs index 9751d7a..e4845c7 100644 --- a/src/peripheral/dwt.rs +++ b/src/peripheral/dwt.rs @@ -389,9 +389,10 @@ pub struct CycleCountSettings { pub enum ComparatorFunction { /// Compare accessed memory addresses. Address(ComparatorAddressSettings), - /// Compare cycle count & target value. + /// Compare cycle count & target value. /// - /// **NOTE**: only supported by comparator 0. See C1.8.1. + /// **NOTE**: only supported by comparator 0 and if the HW supports the cycle counter. + /// Check `dwt.has_cycle_counter` for support. See C1.8.1 for more details. CycleCount(CycleCountSettings), } @@ -408,7 +409,7 @@ pub enum DwtError { impl Comparator { /// Configure the function of the comparator #[allow(clippy::missing_inline_in_public_items)] - pub fn configure(&self, dwt: &DWT, settings: ComparatorFunction) -> Result<(), DwtError> { + pub fn configure(&self, settings: ComparatorFunction) -> Result<(), DwtError> { match settings { ComparatorFunction::Address(settings) => { // FUNCTION, EMITRANGE @@ -461,10 +462,6 @@ impl Comparator { } } ComparatorFunction::CycleCount(settings) => { - if !dwt.has_cycle_counter() { - return Err(DwtError::NoCycleCount); - } - let function = match &settings.emit { EmitOption::PCData => 0b0001, EmitOption::WatchpointDebugEvent => 0b0100, |