Minor: add some comments.

src/runProc.cpp

@@ -2,7 +2,6 @@
 #include <QDebug>
 #include "controlBus.h"
 #include "dcBL.h"
-#include "interfaces.h"
 
 static uint32_t hwapi_lastStartAmount;
 static uint32_t hwapi_lastTotalAmount;
@@ -166,6 +165,7 @@ uint8_t T_runProc::cash_paymentProcessing(void)
 
     sub_getDynMachineConditions(&myDynMachCond);
     payInProg= myDynMachCond.paymentInProgress;
+    // Version Szeged:  aug2023
     //	0: stopped by timeout
     //  1: running  2: wait4lastCoin
     //				3: payment stopped manually, coins in Escrow
@@ -175,9 +175,26 @@ uint8_t T_runProc::cash_paymentProcessing(void)
     //              7: coins returned 2 cases: due to cancel-button or printer-error
     //				8: CoinChecker or MDB on Error
 
+    // since Schoenau with bill and changer, nov2023
+    //0 = no payment
+    //will be set to 1 by cash_startCollection()
+    //neu 1: wait for devices getting ready for payment
+    //2 = payment,
+    //3 = wait for last coin/bill
+    //4 = Bezahlvorgang manuell beendet
+    //5 = payment stopped autom, amount collected, coins in Escrow
+    //6 = Bezahlvorgang beendet weil ZK voll
+    //4,5,6: payment done, keep on polling, wait for cash or return command
+    //7 = encash collected money from coin escrow into cash box
+    //8 = return "amountToReturn", can be complete inserted amount or only overpayment
+    //9 = wait for changer result
+    //10= print refund receipt with "amountToReturn"
+
+
 //    qCritical() << "emitting signal payCancelled";
 //    emit runProc_payCancelled();
-
+    /*
+     // gabs bei Szeged, jetzt nicht mehr:
     if (payInProg==8)
     {
         // coin checker faulty, cannot start