show cascaded boilers without values

CHANGELOG_LATEST.md

@@ -1,7 +1,8 @@
 # Changelog
 
 ### Added
-- Boiler WB Greenstar 8000 (195) and Cascade Modul MC400 (210) 
+- Boiler WB Greenstar 8000 (195) and Cascade Modul MC400 (210)
+- show cascaded boilers
 - optional id to info command to output heatingcircuits separated
 - Reset to factory setting with PButton (io0 to GND for >9 sec)
 

src/devices/boiler.cpp

@@ -26,6 +26,12 @@ uuid::log::Logger Boiler::logger_{F_(boiler), uuid::log::Facility::CONSOLE};
 
 Boiler::Boiler(uint8_t device_type, int8_t device_id, uint8_t product_id, const std::string & version, const std::string & name, uint8_t flags, uint8_t brand)
     : EMSdevice(device_type, device_id, product_id, version, name, flags, brand) {
+
+    // register values only for master boiler/cascade module
+    if (device_id != EMSdevice::EMS_DEVICE_ID_BOILER) {
+        return;
+    }
+
     reserve_mem(20); // reserve some space for the telegram registries, to avoid memory fragmentation
 
     LOG_DEBUG(F("Adding new Boiler with device ID 0x%02X"), device_id);

src/emsdevice.h

@@ -189,7 +189,9 @@ class EMSdevice {
     };
 
     // static device IDs
-    static constexpr uint8_t EMS_DEVICE_ID_BOILER = 0x08; // fixed device_id for Master Boiler/UBA
+    static constexpr uint8_t EMS_DEVICE_ID_BOILER   = 0x08; // fixed device_id for Master Boiler/UBA
+    static constexpr uint8_t EMS_DEVICE_ID_BOILER_1 = 0x70; // fixed device_id for 1st. Cascade Boiler/UBA
+    static constexpr uint8_t EMS_DEVICE_ID_BOILER_F = 0x7F; // fixed device_id for last Cascade Boiler/UBA
 
     // generic type IDs
     static constexpr uint16_t EMS_TYPE_VERSION    = 0x02; // type ID for Version information. Generic across all EMS devices.

src/emsesp.cpp

@@ -806,8 +806,10 @@ bool EMSESP::add_device(const uint8_t device_id, const uint8_t product_id, std::
         if (device.product_id == product_id) {
             // sometimes boilers share the same product id as controllers
             // so only add boilers if the device_id is 0x08, which is fixed for EMS
+            // also add cascaded boilers, but without values
             if (device.device_type == DeviceType::BOILER) {
-                if (device_id == EMSdevice::EMS_DEVICE_ID_BOILER) {
+                if (device_id == EMSdevice::EMS_DEVICE_ID_BOILER ||
+                    (device_id >= EMSdevice::EMS_DEVICE_ID_BOILER_1 && device_id <= EMSdevice::EMS_DEVICE_ID_BOILER_F)) {
                     device_p = &device;
                     break;
                 }