Merge pull request #4 from wonsky007/master

Update driver_hydrocalm3.h
SzczepanLeon · Dec 20, 2023 · 1c31d53 · 1c31d53
2 parents 2c0b1d9 + 346628f
commit 1c31d53
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Showing 2 changed files with 23 additions and 1 deletion.
diff --git a/driver.h b/driver.h
@@ -95,6 +95,27 @@ struct Driver
     return ret_val;
   };
 
+
+  esphome::optional<double> get_0C09(std::vector<unsigned char> &telegram) {
+    esphome::optional<double> ret_val{};
+    uint32_t usage = 0;
+    size_t i = 11;
+    uint32_t total_register = 0x0C09;
+    while (i < telegram.size()) {
+      uint32_t c = (((uint32_t)telegram[i+0] << 8) | ((uint32_t)telegram[i+1]));
+      if (c == total_register) {
+        i += 2;
+        usage = bcd_2_int(telegram, i, 4);
+        // in kWh
+        ret_val = usage / 3.6;
+        ESP_LOGVV(TAG, "Found register '0C09' with '%d'->'%f'", usage, ret_val.value());
+        break;
+      }
+      i++;
+    }
+    return ret_val;
+  };
+
   esphome::optional<double> get_0C0D(std::vector<unsigned char> &telegram) {
     esphome::optional<double> ret_val{};
     uint32_t usage = 0;

diff --git a/driver_hydrocalm3.h b/driver_hydrocalm3.h
@@ -19,6 +19,7 @@ struct Hydrocalm3: Driver
     add_to_map(ret_val, "total_heating_kwh", this->get_0C0E(telegram));
     add_to_map(ret_val, "total_heating_kwh", this->get_0C03(telegram));
     add_to_map(ret_val, "total_heating_kwh", this->get_0C0A(telegram));
+    add_to_map(ret_val, "total_heating_kwh", this->get_0C09(telegram)); /* Hydrocal M4 kWh metering map value */ 
     add_to_map(ret_val, "total_water_m3", this->get_0C13(telegram));
 
     if (ret_val.size() > 0) {
@@ -30,4 +31,4 @@ struct Hydrocalm3: Driver
   };
 
 private:
-};
+};