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C++ DLL for FX3 cannot link
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C++ DLL for FX3 cannot link

dreitz posted on 19 Apr 2012 11:43 AM PST
Top Contributor
74 Forum Posts

I'm building a C++ DLL for our FX3 board.  When I try to build the code, I get the following link errors.  How do I correct this?

 

1>CyAPI.lib(CyAPI.obj) : error LNK2019: unresolved external symbol __imp__SetupDiDestroyDeviceInfoList@4 referenced in function "public: unsigned char __thiscall CCyUSBDevice::DeviceCount(void)" (?DeviceCount@CCyUSBDevice@@QAEEXZ)

1>CyAPI.lib(CyAPI.obj) : error LNK2019: unresolved external symbol __imp__SetupDiEnumDeviceInterfaces@20 referenced in function "public: unsigned char __thiscall CCyUSBDevice::DeviceCount(void)" (?DeviceCount@CCyUSBDevice@@QAEEXZ)

1>CyAPI.lib(CyAPI.obj) : error LNK2019: unresolved external symbol __imp__SetupDiGetClassDevsA@16 referenced in function "public: unsigned char __thiscall CCyUSBDevice::DeviceCount(void)" (?DeviceCount@CCyUSBDevice@@QAEEXZ)

1>CyAPI.lib(CyAPI.obj) : error LNK2019: unresolved external symbol __imp__SetupDiGetDeviceInterfaceDetailA@24 referenced in function "public: bool __thiscall CCyUSBDevice::CreateHandle(unsigned char)" (?CreateHandle@CCyUSBDevice@@QAE_NE@Z)

Re: C++ DLL for FX3 cannot link

capiman posted on 19 Apr 2012 01:51 PM PST
Senior Member
18 Forum Posts

I think you must add "Setupapi.lib" to your list of libraries.

Re: C++ DLL for FX3 cannot link

didier.martiny posted on 04 May 2012 01:40 PM PST

1 Forum Post

 Same error here:

Error 5 error LNK2019: unresolved external symbol __imp__SetupDiGetDeviceInterfaceDetailA@24 referenced in function "public: bool __thiscall CCyUSBDevice::CreateHandle(unsigned char)" (?CreateHandle@CCyUSBDevice@@QAE_NE@Z) P:\Colibiri - USB 3.0 Debug\TestSW_new_driver\CyAPI.lib(CyAPI.obj)

Error 4 error LNK2019: unresolved external symbol __imp__SetupDiGetClassDevsA@16 referenced in function "public: unsigned char __thiscall CCyUSBDevice::DeviceCount(void)" (?DeviceCount@CCyUSBDevice@@QAEEXZ) P:\Colibiri - USB 3.0 Debug\TestSW_new_driver\CyAPI.lib(CyAPI.obj)

Error 3 error LNK2019: unresolved external symbol __imp__SetupDiEnumDeviceInterfaces@20 referenced in function "public: unsigned char __thiscall CCyUSBDevice::DeviceCount(void)" (?DeviceCount@CCyUSBDevice@@QAEEXZ) P:\Colibiri - USB 3.0 Debug\TestSW_new_driver\CyAPI.lib(CyAPI.obj)

Error 2 error LNK2019: unresolved external symbol __imp__SetupDiDestroyDeviceInfoList@4 referenced in function "public: unsigned char __thiscall CCyUSBDevice::DeviceCount(void)" (?DeviceCount@CCyUSBDevice@@QAEEXZ) P:\Colibiri - USB 3.0 Debug\TestSW_new_driver\CyAPI.lib(CyAPI.obj)

Error 6 error LNK1120: 4 unresolved externals P:\Colibiri - USB 3.0 Debug\TestSW_new_driver\Debug\TestSW.exe

 
How can I work around the problem. This is a blocking problem...
 
 

Re: C++ DLL for FX3 cannot link

capiman posted on 05 May 2012 10:27 PM PST
Senior Member
18 Forum Posts

Same answer: I think you must add "Setupapi.lib" to your list of libraries.

Re: C++ DLL for FX3 cannot link

aasi posted on 07 May 2012 03:32 AM PST
Cypress Employee
1073 Forum Posts

Which version of Visual Studio are you using?

Have you tried compiling the examples that come as part of SuiteUSB and tried compiling them. Just make sure your Visual Studio environment is configured properly.

Regards,

Anand



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