reading out registers corrected

main.py

@@ -1,13 +1,12 @@
 import time
 from datetime import datetime
-from data_base_csv import DataBaseCsv
 from data_base_influx import DataBaseInflux
 from heat_pump import HeatPump
 from pv_inverter import PvInverter
 from shelly_pro_3m import ShellyPro3m
 
 # For dev-System run in terminal: ssh -N -L 127.0.0.1:8111:10.0.0.10:502 pi@192.168.1.146
-# For productive-System change port in heatpump to 502
+# For productive-System change IP-adress in heatpump to '10.0.0.10' and port to 502
 
 interval_seconds = 10
 
@@ -18,7 +17,7 @@ db = DataBaseInflux(
     bucket="allmende_db"
 )
 
-hp = HeatPump(device_name='hp_master', ip_address='localhost', port=8111)
+hp = HeatPump(device_name='hp_master', ip_address='10.0.0.10', port=502)
 shelly = ShellyPro3m(device_name='wohnung_2_6', ip_address='192.168.1.121')
 wr = PvInverter(device_name='wr_master', ip_address='192.168.1.112')
 
@@ -31,5 +30,6 @@ while True:
        db.store_data(shelly.device_name, shelly.get_state())
        db.store_data(wr.device_name, wr.get_state())
        #controller.perform_action()
+
     time.sleep(0.1)
 

pv_inverter.py

@@ -1,68 +1,117 @@
 import time
+import struct
 import pandas as pd
+import matplotlib.pyplot as plt
+from collections import deque
+from typing import Dict, Any, List, Tuple, Optional
 from pymodbus.client import ModbusTcpClient
 
+EXCEL_PATH    = "modbus_registers/pv_inverter_registers.xlsx"
+
 class PvInverter:
     def __init__(self, device_name: str, ip_address: str, port: int = 502, unit: int = 1):
         self.device_name = device_name
         self.ip = ip_address
         self.port = port
         self.unit = unit
-        self.client = None
-        self.registers = None
-
+        self.client: Optional[ModbusTcpClient] = None
+        self.registers: Dict[int, Dict[str, Any]] = {}  # addr -> {"desc":..., "type":...}
         self.connect_to_modbus()
-        self.get_registers()
+        self.load_registers(EXCEL_PATH)
 
+    # ---------- Verbindung ----------
     def connect_to_modbus(self):
-        # Timeout & retries optional, aber hilfreich:
         self.client = ModbusTcpClient(self.ip, port=self.port, timeout=3.0, retries=3)
         if not self.client.connect():
-            print("Verbindung zu Wechselrichter fehlgeschlagen.")
+            print("❌ Verbindung zu Wechselrichter fehlgeschlagen.")
             raise SystemExit(1)
-        print("Verbindung zu Wechselrichter erfolgreich.")
-
-        # WICHTIG: NICHT hier schließen!
-        # finally: self.client.close()  <-- entfernen
+        print("✅ Verbindung zu Wechselrichter hergestellt.")
 
     def close(self):
         if self.client:
             self.client.close()
             self.client = None
 
-    def get_registers(self):
-        excel_path = "modbus_registers/pv_inverter_registers.xlsx"
+    # ---------- Register-Liste ----------
+    def load_registers(self, excel_path: str):
         xls = pd.ExcelFile(excel_path)
-        df_input_registers = xls.parse()
-        df_clean = df_input_registers[['MB Adresse', 'Beschreibung', 'Variabel Typ']].dropna()
-        df_clean['MB Adresse'] = df_clean['MB Adresse'].astype(int)
-
+        df = xls.parse()
+        # Passen die Spaltennamen bei dir anders, bitte hier anpassen:
+        cols = ["MB Adresse", "Beschreibung", "Variabel Typ"]
+        for c in cols:
+            if c not in df.columns:
+                raise ValueError(f"Spalte '{c}' fehlt in {excel_path}")
+        df = df[cols].dropna()
+        df["MB Adresse"] = df["MB Adresse"].astype(int)
+        # NORMALISIERE TYP
+        def norm_type(x: Any) -> str:
+            s = str(x).strip().upper()
+            return "REAL" if s == "REAL" else "INT"
         self.registers = {
-            row['MB Adresse']: {
-                'desc': row['Beschreibung'],
-                'type': 'REAL' if str(row['Variabel Typ']).upper() == 'REAL' else 'INT'
+            int(row["MB Adresse"]): {
+                "desc": str(row["Beschreibung"]).strip(),
+                "type": norm_type(row["Variabel Typ"])
             }
-            for _, row in df_clean.iterrows()
+            for _, row in df.iterrows()
         }
+        print(f"ℹ️ {len(self.registers)} Register aus Excel geladen.")
 
-    def get_state(self):
-        data = {'Zeit': time.strftime('%Y-%m-%d %H:%M:%S')}
-        for address, info in self.registers.items():
-            reg_type = info['type']
-            # Unit-ID mitgeben (wichtig bei pymodbus>=3)
-            result = self.client.read_holding_registers(
-                address=address,
-                count=2 if reg_type == 'REAL' else 1,
-                slave=self.unit  # pymodbus 2.x -> 'slave', nicht 'unit'
-            )
-            if result.isError():
-                print(f"Fehler beim Lesen von Adresse {address}: {result}")
+    # ---------- Low-Level Lesen ----------
+    def _try_read(self, fn_name: str, address: int, count: int) -> Optional[List[int]]:
+        fn = getattr(self.client, fn_name)
+        # pymodbus 3.8.x hat 'slave='; Fallbacks schaden nicht
+        for kwargs in (dict(address=address, count=count, slave=self.unit),
+                       dict(address=address, count=count),
+                       ):
+            try:
+                res = fn(**kwargs)
+                if res is None or (hasattr(res, "isError") and res.isError()):
+                    continue
+                return res.registers
+            except TypeError:
                 continue
+        return None
 
-            # Minimal invasiv: wie bei dir – erstes Register verwenden
-            value = result.registers[0]
-            print(f"Adresse {address} - {info['desc']}: {value}")
-            data[f"{address} - {info['desc']}"] = value
+    def _read_any(self, address: int, count: int) -> Optional[List[int]]:
+        regs = self._try_read("read_holding_registers", address, count)
+        if regs is None:
+            regs = self._try_read("read_input_registers", address, count)
+        return regs
+
+    # ---------- Decoding ----------
+    @staticmethod
+    def _to_i16(u16: int) -> int:
+        return struct.unpack(">h", struct.pack(">H", u16))[0]
+
+    @staticmethod
+    def _to_f32_from_two(u16_hi: int, u16_lo: int, msw_first: bool = True) -> float:
+        if msw_first:
+            b = struct.pack(">HH", u16_hi, u16_lo)
+        else:
+            b = struct.pack(">HH", u16_lo, u16_hi)
+        return struct.unpack(">f", b)[0]
+
+    def read_one(self, address_excel: int, rtype: str) -> Optional[float]:
+        """Liest einen Wert nach Typ ('INT' oder 'REAL') unter Berücksichtigung Base-1."""
+        addr = address_excel
+        if rtype == "REAL":
+            regs = self._read_any(addr, 2)
+            if not regs or len(regs) < 2:
+                return None
+            return self._to_f32_from_two(regs[0], regs[1])
+        else:  # INT
+            regs = self._read_any(addr, 1)
+            if not regs:
+                return None
+            return float(self._to_i16(regs[0]))
+
+    def get_state(self) -> Dict[str, Any]:
+        """Liest ALLE Register aus self.registers und gibt dict zurück."""
+        data = {"Zeit": time.strftime("%Y-%m-%d %H:%M:%S")}
+        for address, meta in self.registers.items():
+            val = self.read_one(address, meta["type"])
+            if val is None:
+                continue
+            key = f"{address} - {meta['desc']}"
+            data[key] = val
         return data
-
-

test_meter.py

@@ -0,0 +1,61 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+from pymodbus.client import ModbusTcpClient
+import struct, sys
+
+MODBUS_IP   = "192.168.1.112"
+MODBUS_PORT = 502
+UNIT_ID     = 1
+
+METER_START = 40240  # Startadresse Model 203-Felder
+
+def to_i16(u16):  # unsigned 16 → signed 16
+    return struct.unpack(">h", struct.pack(">H", u16))[0]
+
+def read_regs(client, addr, count):
+    rr = client.read_holding_registers(address=addr, count=count, slave=UNIT_ID)
+    if rr.isError():
+        return None
+    return rr.registers
+
+def read_meter_power(client):
+    base = METER_START
+    p  = read_regs(client, base + 16, 1)   # M_AC_Power
+    pa = read_regs(client, base + 17, 1)   # Phase A
+    pb = read_regs(client, base + 18, 1)   # Phase B
+    pc = read_regs(client, base + 19, 1)   # Phase C
+    sf = read_regs(client, base + 20, 1)   # Scale Factor
+    if not p or not sf:
+        return None
+    sff = to_i16(sf[0])
+    return {
+        "total": to_i16(p[0])  * (10 ** sff),
+        "A":     to_i16(pa[0]) * (10 ** sff) if pa else None,
+        "B":     to_i16(pb[0]) * (10 ** sff) if pb else None,
+        "C":     to_i16(pc[0]) * (10 ** sff) if pc else None,
+        "sf":    sff
+    }
+
+def fmt_w(v):
+    if v is None: return "-"
+    neg = v < 0
+    v = abs(v)
+    return f"{'-' if neg else ''}{v/1000:.2f} kW" if v >= 1000 else f"{'-' if neg else ''}{v:.0f} W"
+
+def main():
+    client = ModbusTcpClient(MODBUS_IP, port=MODBUS_PORT)
+    if not client.connect():
+        print("❌ Verbindung fehlgeschlagen."); sys.exit(1)
+    try:
+        m = read_meter_power(client)
+        if m:
+            print(f"Meter-Leistung: {fmt_w(m['total'])} "
+                  f"(A {fmt_w(m['A'])}, B {fmt_w(m['B'])}, C {fmt_w(m['C'])})  [SF={m['sf']}]")
+        else:
+            print("Meter-Leistung konnte nicht gelesen werden.")
+    finally:
+        client.close()
+
+if __name__ == "__main__":
+    main()