new buzzer component

components/evse/include/evse_api.h

@@ -3,8 +3,10 @@
 
 #include <stdint.h>
 #include <stdbool.h>
-#include "evse_state.h"  // Tipos e estados
+#include "evse_state.h"
 #include "freertos/FreeRTOS.h"
+#include "evse_session.h"
+
 
 #ifdef __cplusplus
 extern "C" {
@@ -24,10 +26,17 @@ evse_state_t evse_get_state(void);
  */
 void evse_set_state(evse_state_t state);
 
+// ===============================
+// Charging Session Info
+// ===============================
+
 /**
- * @brief Get timestamp when the current session started (for timing limits).
+ * @brief Retrieve statistics of either the current ongoing session (if any)
+ *        or the last completed session.
+ * @param out pointer to evse_session_t to be filled
+ * @return true if there is a current or last session available
  */
-TickType_t evse_get_session_start(void);
+bool evse_get_session(evse_session_t *out);
 
 // ===============================
 // Charging Session Info