MI - assure HW part no is there

src/hm/hmInverter.h

@@ -210,8 +210,13 @@ class Inverter {
                         enqueCommand<InfoCommand>(InverterDevInform_Simple); // hardware version
                     enqueCommand<InfoCommand>(RealTimeRunData_Debug);  // live data
                 } else if (ivGen == IV_MI){
-                    if (getFwVersion() == 0 || getHwVersion() == 0)
-                        enqueCommand<InfoCommand>(InverterDevInform_All); // firmware version; might not work, esp. for 1/2 ch hardware
+                    if (getFwVersion() == 0) {
+                        enqueCommand<InfoCommand>(InverterDevInform_All); // hard- and firmware version
+                    } else {
+                        record_t<> *rec = getRecordStruct(InverterDevInform_Simple);
+                        if (getChannelFieldValue(CH0, FLD_PART_NUM, rec) == 0)
+                            enqueCommand<InfoCommand>(InverterDevInform_All); // hard- and firmware version for missing HW part nr, delivered by frame 1
+                    }
                     if (type == INV_TYPE_4CH) {
                         enqueCommand<InfoCommand>(0x36);
                     } else {

src/hm/miPayload.h

@@ -243,7 +243,8 @@ const byteAssign_t InfoAssignment[] = {
                     }
                     record_t<> *rec = iv->getRecordStruct(InverterDevInform_Simple);  // choose the record structure
                     rec->ts = mPayload[iv->id].ts;
-                    iv->setValue(1, rec, (uint32_t) ((p->packet[24] << 8) + p->packet[25]));
+                    iv->setValue(1, rec, (uint32_t) ((p->packet[24] << 8) + p->packet[25])/1);
+                    notify(InverterDevInform_All, iv);
                     //28737
                 } else if ( p->packet[9] == 0x01 || p->packet[9] == 0x10 ) {//second frame for MI, 3rd gen. answers in 0x10
                     DPRINT_IVID(DBG_INFO, iv->id);
@@ -277,6 +278,7 @@ const byteAssign_t InfoAssignment[] = {
                             DPRINT(DBG_INFO,F("Matching_APPFW_PN "));
                             DBGPRINTLN(String((uint32_t) (((p->packet[22] << 8) | p->packet[23]) << 8 | p->packet[24]) << 8 | p->packet[25]));
                         }
+                        notify(InverterDevInform_Simple, iv);
                     } else {
                         DBGPRINTLN(F("3rd gen. inverter!"));           // see table in OpenDTU code, DevInfoParser.cpp devInfo[]
                     }