nastavitelny max sollar dle stridace (ulozeno v DB)

backend/services/control/deye_helpers.py

@@ -65,7 +65,7 @@ DEYE_REGISTER_NAMES: dict[int, str] = {
     142: "limit_control (0=selling first, 1=zero export to load, 2=zero export to CT)",
     143: "export_limit_w (max export do sítě)",
     145: "solar_sell (0=disabled, 1=enabled)",
-    340: "max_solar_power_w (strop DC PV A v W; součet nominal_power_wp řiditelných polí)",
+    340: "max_solar_power_w (strop DC PV A v W; cap z fn_inverter_pv_a_max_w / deye_reg340_max_solar_w)",
     178: "control_board_special_1 (bits0-1: MI export cutoff disable=2 enable=3; bits4-5 peak shaving 32/48)",
     148: "time_point_1_time",
     149: "time_point_2_time",
@@ -157,11 +157,21 @@ def next_slot_hhmm() -> int:
     return next_hour * 100 + next_min
 
 
-def compute_pv_a_reg340_max_solar_w(cap_w: int, forecast_w: int, curtail_w: int) -> int:
+def compute_pv_a_reg340_max_solar_w(
+    cap_w: int,
+    forecast_w: int,
+    curtail_w: int,
+    *,
+    min_w: int = 0,
+) -> int:
     """Hodnota pro Deye reg 340 (max solar power, W) z capu a plánovaného curtailmentu pole A."""
     if curtail_w <= 0:
-        return int(cap_w)
-    return max(0, min(int(cap_w), int(forecast_w) - int(curtail_w)))
+        raw = int(cap_w)
+    else:
+        raw = max(0, min(int(cap_w), int(forecast_w) - int(curtail_w)))
+    if raw > 0 and int(min_w) > 0:
+        return max(int(min_w), raw)
+    return raw
 
 
 def _prague_minute_start_utc() -> datetime: