implmemtace cuttoff genportu

backend/services/control/exporter_monolith.py

@@ -44,6 +44,14 @@ DEYE_TOU_SOC_PASSIVE_BATTERY_PRIORITY_PCT = 100
 # Verify: jen bity 4–5 (horní byte layout v dokumentaci); ostatní bity mohou mít firmware / Loxone
 REG178_VERIFY_MASK = 0x0030
 
+# Reg 179 – Control board special 1: bits 0–1 ovládají MI export cutoff (AC coupling / GEN).
+REG179_MI_EXPORT_MASK = 0x0003
+REG179_MI_EXPORT_DISABLE = 0b10
+REG179_MI_EXPORT_ENABLE = 0b11
+
+def _deye_reg179_verify_match(expected_i: int, actual_i: int) -> bool:
+    return (int(expected_i) & REG179_MI_EXPORT_MASK) == (int(actual_i) & REG179_MI_EXPORT_MASK)
+
 # Po 3 neúspěšných verify pokusech → SELF_SUSTAIN jen u těchto registrech (bezpečnost / export).
 # 62–64 řeší toleranční bundle (nemění režim). 178 a TOU power W jsou „soft“ — jen log + Discord.
 DEYE_CRITICAL_REGS_SELF_SUSTAIN = frozenset({108, 109, 142, 143, 145})
@@ -113,6 +121,7 @@ DEYE_REGISTER_NAMES: dict[int, str] = {
     143: "export_limit_w (max export do sítě)",
     145: "solar_sell (0=disabled, 1=enabled)",
     178: "grid_peak_shaving_switch (SELL=32 bit4-5=10, PASSIVE/CHARGE=48 bit4-5=11)",
+    179: "control_board_special_1 (bits0-1: MI export cutoff disable=2 enable=3)",
     148: "time_point_1_time",
     149: "time_point_2_time",
     154: "time_point_1_power_w",
@@ -192,6 +201,7 @@ class InverterConfig:
     deye_last_tou_inactive_write_prague_date: date | None = None
     deye_tou_inactive_signature: str | None = None
     deye_zero_export_mode: int = 1
+    deye_gen_microinverter_cutoff_enabled: bool = False
 
 
 def _prague_minute_start_utc() -> datetime:
@@ -342,6 +352,11 @@ class ControlSetpoints:
     target_soc_pct: int | None = None
     #: Explicitní fyzický režim z plánu (PASSIVE/SELL/CHARGE). Pokud je vyplněn, má přednost před detekcí ze znamének.
     deye_physical_mode: str | None = None
+    #: True = zákaz exportu (BLOCK_EXPORT) pro daný slot: např. při efektivní vykupní ceně < 0.
+    export_ban: bool = False
+    #: True = odpojit GEN port (MI export cutoff) v tomto slotu dle plánu (reg 179 bits0-1).
+    #: None/False = neodpojovat.
+    deye_gen_cutoff_enabled: bool = False
     #: Efektivní vykupní cena slotu (Kč/kWh z plánu); pro TOU řízení priorit baterie vs. přetok
     effective_sell_price_czk_kwh: float | None = None
     #: True = reg 108/109 na 0 (PRESERVE – Deye baterii nepoužívá)
@@ -798,6 +813,8 @@ async def verify_modbus_commands(
                     first_178,
                     second_178,
                 )
+        if reg == 179:
+            matches = _deye_reg179_verify_match(expected_i, actual_i)
         if not matches and reg in DEYE_TOU_POWER_REGS and inv_cfg is not None:
             matches = _deye_tou_power_verify_match(expected_i, actual_i, inv_cfg)
 
@@ -821,7 +838,11 @@ async def verify_modbus_commands(
                 reg,
                 expected_i,
                 actual_i,
-                " (reg178 mask 0x%04X)" % REG178_VERIFY_MASK if reg == 178 else "",
+                (
+                    " (reg178 mask 0x%04X)" % REG178_VERIFY_MASK
+                    if reg == 178
+                    else (" (reg179 mask 0x%04X)" % REG179_MI_EXPORT_MASK if reg == 179 else "")
+                ),
             )
             row_ac = await db.fetchrow(
                 "SELECT attempt_count FROM ems.modbus_command WHERE id=$1", cmd_id
@@ -1047,6 +1068,7 @@ async def _load_inverter_config(
             ai.deye_last_tou_inactive_write_prague_date,
             ai.deye_tou_inactive_signature,
             COALESCE(ai.deye_zero_export_mode, 1) AS deye_zero_export_mode,
+            COALESCE(ai.deye_gen_microinverter_cutoff_enabled, false) AS deye_gen_microinverter_cutoff_enabled,
             COALESCE(
                 ai.deye_register_max_charge_a,
                 FLOOR(
@@ -1130,6 +1152,7 @@ async def _load_inverter_config(
         ],
         deye_tou_inactive_signature=row["deye_tou_inactive_signature"],
         deye_zero_export_mode=int(row["deye_zero_export_mode"]),
+        deye_gen_microinverter_cutoff_enabled=bool(row["deye_gen_microinverter_cutoff_enabled"] or False),
     )
 
 
@@ -1226,6 +1249,9 @@ def _build_setpoints(mode: OperatingModeInfo, pi: asyncpg.Record | None) -> Cont
         pm: str | None = str(pm_raw).strip().upper() if pm_raw is not None else None
         sell_raw = pi.get("effective_sell_price")
         sell_f: float | None = float(sell_raw) if sell_raw is not None else None
+        export_ban = sell_f is not None and float(sell_f) < 0
+        gen_cutoff_raw = pi.get("deye_gen_cutoff_enabled")
+        gen_cutoff = bool(gen_cutoff_raw) if gen_cutoff_raw is not None else False
         return ControlSetpoints(
             battery_w=int(pi["battery_setpoint_w"] or 0),
             grid_export_limit=abs(min(grid_sp, 0)),
@@ -1237,6 +1263,8 @@ def _build_setpoints(mode: OperatingModeInfo, pi: asyncpg.Record | None) -> Cont
             ev2_power_w=ev2_w,
             target_soc_pct=target_soc,
             deye_physical_mode=pm,
+            export_ban=bool(export_ban),
+            deye_gen_cutoff_enabled=bool(gen_cutoff),
             effective_sell_price_czk_kwh=sell_f,
         )
 
@@ -1511,7 +1539,7 @@ async def write_inverter_setpoints(
 
         zero_exp_mode = int(inv.deye_zero_export_mode or 1)
         selling_mode = 0 if deye_mode == "SELL" else zero_exp_mode
-        solar_sell = 1
+        solar_sell = 0 if (setpoints_now.export_ban and deye_mode != "SELL") else 1
         export_limit = export_lim
         if deye_mode == "SELL" and grid_w < 0:
             export_limit = min(export_lim, max(REG143_SELL_CAP_MIN_W, abs(grid_w)))
@@ -1595,6 +1623,35 @@ async def write_inverter_setpoints(
             ]
         )
 
+        if inv.deye_gen_microinverter_cutoff_enabled:
+            want_cutoff = bool(setpoints_now.deye_gen_cutoff_enabled) and deye_mode != "SELL"
+            target_bits = (
+                REG179_MI_EXPORT_DISABLE if want_cutoff else REG179_MI_EXPORT_ENABLE
+            )
+            try:
+                mb179 = await get_modbus_client(inv.host, inv.port)
+                r179 = await mb179.read_holding_registers(179, 1, unit)
+                if r179 and len(r179) >= 1:
+                    current_179 = int(r179[0])
+                    new_179 = (current_179 & ~REG179_MI_EXPORT_MASK) | int(target_bits)
+                    registers.append((179, "control_board_special_1", new_179))
+                    logger.info(
+                        "[control] %s: reg179 MI cutoff %s (old=%s new=%s mask=0x%04X)",
+                        inv.code,
+                        "ON" if want_cutoff else "OFF",
+                        current_179,
+                        new_179,
+                        REG179_MI_EXPORT_MASK,
+                    )
+                else:
+                    logger.warning(
+                        "[control] %s: reg179 read returned %s values, skip cutoff write",
+                        inv.code,
+                        len(r179) if r179 is not None else None,
+                    )
+            except Exception as e:
+                logger.warning("[control] %s: reg179 cutoff RMW failed: %s", inv.code, e)
+
         logger.info(
             "[control] %s: deye_mode=%s charge=%sA discharge=%sA "
             "reg142=%s reg145=%s export=%sW "