Added support for parameters that can only be queried via TYP_QINF

BSB_LAN/BSB_LAN.ino

@@ -3548,7 +3548,11 @@ int set(float line      // the ProgNr of the heater parameter
     case VT_CUSTOM_ENUM:
     {
       uint8_t t=atoi(val);
-      bus->Send(TYPE_QINF, c, msg, tx_msg);
+      int8_t return_value = bus->Send(TYPE_QINF, c, msg, tx_msg);
+      if (return_value < 0) {
+        printlnToWebClient("No response to initial query, cannot get required data, aborting.");
+        printFmtToDebug("Error: %d", return_value);
+      }
       int data_len;
       if (bus->getBusType() == BUS_LPB) {
         data_len=msg[bus->getLen_idx()]-14;     // get packet length, then subtract
@@ -4126,7 +4130,11 @@ void query(float line) {  // line (ProgNr)
       if (bus->getBusType() != BUS_PPS) {  // bus type is not PPS
         retry=QUERY_RETRIES;
         while (retry) {
+          uint8_t flags = get_cmdtbl_flags(i);
           uint8_t query_type = TYPE_QUR;
+          if (flags & FL_QINF_ONLY) {
+            query_type = TYPE_QINF;
+          }
           if (bus->Send(query_type, c, msg, tx_msg) == 1) {
             // Decode the xmit telegram and send it to the PC serial interface
             if (verbose) {

BSB_LAN/BSB_LAN_defs.h

@@ -79,6 +79,7 @@
 #define FL_OEM          8   // Known OEM parameters are set to read-only by default. If you want to have general write-access (not recommended!) to OEM parameters, set FL_OEM to 8.
 #define FL_SPECIAL_INF  16  // Flag to distinguish between INF telegrams that reverse first two bytes (like room temperature) and those who don't (like outside temperature)
 #define FL_EEPROM       32  // Flag to determine whether value should be written to EEPROM
+#define FL_QINF_ONLY    64  // Flag to determine whether parameter needs to be queried via TYP_QUR or TYP_QINF (so far applies to Weishaupt only)
 #define FL_SW_CTL_RONLY 128 //Software controlled read-only flag. if readOnlyMode = 1 then program values won't save. If readOnlyMode = 0 - new values can be set.
 /* heating systems */