Fix #50: Enable core cycle counter

stm-firmware/include/reflow-controller/main-cycle-counter.h

@@ -30,10 +30,16 @@
 #include <stdint.h>
 
 /**
- * @brief Initialize/Reset the main cycle counter to 0.
+ * @brief Initialize the main cycle counter and reset to 0. This also enables the core cycle counter
  * This function can be called multiple times.
  */
-void main_cycle_counter_init(void);
+void main_and_core_cycle_counter_init(void);
+
+/**
+ * @brief Reset the main cycle counter.
+ * @note This does not reset the core cycle counter
+ */
+void main_cycle_counter_reset(void);
 
 /**
  * @brief Increment the main cycle counter by 1
@@ -46,6 +52,18 @@ void main_cycle_counter_inc(void);
  */
 uint64_t main_cycle_counter_get(void);
 
+/**
+ * @brief Reset the core cycle counter to 0
+ */
+void core_cycle_counter_reset(void);
+
+/**
+ * @brief Get the current value of the core cycle counter
+ * 
+ * @return uint32_t Counter value
+ */
+uint32_t core_cycle_counter_get(void);
+
 #endif /* __MAIN_CYCLE_COUNTER_H__ */
 
 /** @} */