fix evse_link

components/loadbalancer/include/grid_limiter.h

@@ -0,0 +1,42 @@
+#ifndef GRID_LIMITER_H_
+#define GRID_LIMITER_H_
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <stdbool.h>
+#include <stdint.h>
+#include "esp_err.h"
+#include "meter_events.h"
+
+    void grid_limiter_init(void);
+
+    void grid_limiter_set_enabled(bool en);
+    bool grid_limiter_is_enabled(void);
+
+    esp_err_t grid_limiter_set_max_import_a(uint8_t a);
+    uint8_t grid_limiter_get_max_import_a(void);
+
+    /**
+     * @brief Calcula um novo "total_budget_a" (<= current_total_a) para respeitar max_import_a.
+     *
+     * Preferência:
+     *  - Usa watt_total (+import / -export) se existir
+     *  - Caso watt_total==0, usa fallback_grid_current_a (magnitude)
+     *
+     * @param grid_evt                último evento do GRID
+     * @param fallback_grid_current_a corrente filtrada (magnitude) como fallback
+     * @param current_total_a         total atual a atribuir aos EVSE (A)
+     * @return total_budget_a (<= current_total_a)
+     */
+    float grid_limiter_limit_total_a(const meter_event_data_t *grid_evt,
+                                     float fallback_grid_current_a,
+                                     float current_total_a);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GRID_LIMITER_H_ */