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  4. Error: C3861: 'spis_CreateInstance': identifier not found
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Error: C3861: 'spis_CreateInstance': identifier not found

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  • ? Offline
    ? Offline
    A Former User
    wrote on last edited by
    #7

    I added stdafx.cpp and stdafx.h and now I get a different error.
    notepad.obj:-1: error: LNK2019: unresolved external symbol spis_CreateInstance referenced in function "private: void __cdecl Notepad::on_quithButton_clicked(void)" (?on_quithButton_clicked@Notepad@@AEAAXXZ)

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    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #8

      stdafx ? From a Qt app ? You should not have them at all.
      Anyway, you have your external lib in the same folder as the sources so your pro file should rather contain something like this:

      @
      QT += core gui

      greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

      TARGET = Not
      TEMPLATE = app

      SOURCES += main.cpp
      notepad.cpp

      HEADERS += notepad.h

      FORMS += notepad.ui

      INCLUDEPATH += .
      LIBS += -L$$PWD
      -lSpiStorm
      @

      Hope it helps

      Interested in AI ? www.idiap.ch
      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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      • ? Offline
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        A Former User
        wrote on last edited by
        #9

        That didn't help.
        Here is a screen shot if that helps.
        !https://lh6.googleusercontent.com/-vp-_tlFBaRg/UgVMrpZ-QiI/AAAAAAAAKNk/4_gR_M18Slc/s800/Qt5capture.JPG()!

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        • SGaistS Offline
          SGaistS Offline
          SGaist
          Lifetime Qt Champion
          wrote on last edited by
          #10

          Strange...
          Can you try to add this ?

          @QMAKE_LFLAGS += /OPT:NOREF@

          I don't have a Window computer handy right now so I can't test the lib

          Interested in AI ? www.idiap.ch
          Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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          • ? Offline
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            A Former User
            wrote on last edited by
            #11

            Thanks, I'll try that on Monday.

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            • ? Offline
              ? Offline
              A Former User
              wrote on last edited by
              #12

              That didn't help. This is frustrating. I feel like I'm right on the edge of getting this to work but I don't know how to tell this program where the library is or something as simple as that. Any more ideas? Have you looked at the file tree and is it setup right?

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              • SGaistS Offline
                SGaistS Offline
                SGaist
                Lifetime Qt Champion
                wrote on last edited by
                #13

                Just to be sure, are you building your Qt application in 32 or 64 bit ? SpiStorm seems to be 32

                Also no need for the NOREF line

                Interested in AI ? www.idiap.ch
                Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                • ? Offline
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                  A Former User
                  wrote on last edited by
                  #14

                  I didn't think of that. I'll check my settings.
                  Thanks

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                  • ? Offline
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                    A Former User
                    wrote on last edited by
                    #15

                    So how do I change it?
                    While I'm waiting, I'm downloading the 32Bit version of Qt and I hope to be able to run in either version without uninstalling the 64Bit version.

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                    • SGaistS Offline
                      SGaistS Offline
                      SGaist
                      Lifetime Qt Champion
                      wrote on last edited by
                      #16

                      Simple:

                      Add the Qt you just installed to the Qt version

                      Make a kit with it

                      Change the kit for your project

                      Build and run !

                      Interested in AI ? www.idiap.ch
                      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                      • ? Offline
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                        A Former User
                        wrote on last edited by
                        #17

                        I have a new related problem. I get past all the code up to adding my data. I get junk in the pDataOut.
                        This should be an easy one right. Fingers crossed.

                        @if (Res == 0) {
                        char *pDataOut = (char *)malloc(6);
                        char *pDataIn = (char *)malloc(6);

                                   for (int i=0; i<4; i++) {
                                            *(pDataOut+i) = ((i%2)==0) ? 0xAA : 0x00;
                                            *(pDataIn+i) = 0;
                                         }
                        
                                   if (Res == 0) {
                                      printf("Adding macro Data32...");
                                      Res = spis_ExecMacro("Data32", pDataOut+1, pDataIn+1);
                                      if (Res != 0) { printf("Macro Data32 failed!\n"); }
                                      else { printf("done\n"); }
                                   }
                        
                                   delete pDataOut;
                                   delete pDataIn;
                                }@
                        

                        Here's the debug info
                        Locals
                        Res -2142240767 int
                        SpiHandle -2147155967 int
                        i 4 int
                        pDataIn @0x265d760 "" char *
                        *pDataIn 0 '\0' char
                        pDataOut "ª\000ª" @0x3cbfd4 char *
                        *pDataOut -86 / 170 char
                        pPojectFileName "C:\Spi_StormProjects\24_BIT_Command.ssp" @0x3cbfcc char *
                        *pPojectFileName 67 'C' char
                        this @0x3cf7b8 Notepad *
                        QMainWindow class QMainWindow QMainWindow
                        QWidget class QWidget QWidget
                        staticMetaObject <Value unavailable error>
                        staticMetaObject struct QMetaObject QMetaObject
                        ui @0x869350 Ui::Notepad *
                        Inspector
                        Expressions
                        Return Value
                        Tooltip

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                        • SGaistS Offline
                          SGaistS Offline
                          SGaist
                          Lifetime Qt Champion
                          wrote on last edited by
                          #18

                          Why do you put data in pDataOut ? Shouldn't be in pDataIn ?

                          Interested in AI ? www.idiap.ch
                          Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                          • ? Offline
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                            A Former User
                            wrote on last edited by
                            #19

                            This is part of an example console program that worked as such. Maybe I should run that program in debug mode and see what it's sending. I'm sending data out of my PC to a SPI module which transfers these bits at 50MHz to a custom test fixture.

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                            • SGaistS Offline
                              SGaistS Offline
                              SGaist
                              Lifetime Qt Champion
                              wrote on last edited by
                              #20

                              So pDataOut is what goes to the SPI module and pDataIn is what the module sends ?

                              Also, why the +1 ?

                              Interested in AI ? www.idiap.ch
                              Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                              • ? Offline
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                                A Former User
                                wrote on last edited by
                                #21

                                So pDataOut is what goes to the SPI module and pDataIn is what the module sends ? Yes, pDataIn reads back from the module.

                                Also, why the +1 ? I have no idea.

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                                • ? Offline
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                                  A Former User
                                  wrote on last edited by
                                  #22

                                  My intent is to send a 4 byte command.

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                                  • SGaistS Offline
                                    SGaistS Offline
                                    SGaist
                                    Lifetime Qt Champion
                                    wrote on last edited by
                                    #23

                                    It's getting strange, the 4byte command is stored in a 6byte array, the command start at 0 but you send starting at byte 1.

                                    Sounds dubious...

                                    Interested in AI ? www.idiap.ch
                                    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                                    • ? Offline
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                                      A Former User
                                      wrote on last edited by
                                      #24

                                      Well I did clip a lot of the original code and just use what I thought I would need. I ran the console program without the +1s and changed the mallocs 2to 4. This seems to work great in the console program but again, not in the Qt5. Grrr.
                                      @ if (Res == 0) {
                                      char *pDataOut = (char *)malloc(4);
                                      char *pDataIn = (char *)malloc(4);

                                                     for (int i=0; i<4; i++) {
                                                        *(pDataOut+i) = ((i%2)==0) ? 0xFA : 0x02;
                                                        *(pDataIn+i) = 0;
                                                       }
                                      
                                      
                                                     if (Res == 0) {
                                                              printf("Adding macro Data32...");
                                                              Res = spis_ExecMacro("Data32", pDataOut, pDataIn);
                                                              if (Res != 0) { printf("failed!\n"); }
                                                              else { printf("done\n"); }
                                      

                                      @

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                                      • SGaistS Offline
                                        SGaistS Offline
                                        SGaist
                                        Lifetime Qt Champion
                                        wrote on last edited by
                                        #25

                                        If you are clipping too much code, you might be missing some initialization step or something

                                        Interested in AI ? www.idiap.ch
                                        Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                                        • ? Offline
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                                          A Former User
                                          wrote on last edited by
                                          #26

                                          I don't have any errors but I can't get past this if statement so I'm not connecting through the DLL for some reason. Where is the disconnect from the button to the DLL? The code is the same and it should work. I've even added the conio and stdio include files. This is really strange.

                                          @ int Res = 0;
                                          int SpiHandle = spis_CreateInstance();
                                          Res = spis_Connect("050112020E7", 3300);

                                          if (Res == 0) {@

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