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Download Control Microsystems SCADAPack2 C/C++ Tools
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The argument used for application type in existing calls to create_task must be replaced with the global variable applicationGroup. The operating system assigns a unique value to applicationGroup when it is defined in appStart.cpp. Please see the documentation for create_task in the Function Specifications section for more details. Controller I/O Functions The following functions are no longer supported. The replacement function is indicated for each. Each function is documented in the Function Specifications section. Function interruptInput interruptCounter readCounter readCounterInput ioReadDin5232 ioReadCounter5232 ioRead5601Inputs ioRead5601Outputs ioWrite5601Outputs Replaced with no replacement function no replacement function ioReadCounterSP2 no replacement function no replacement function ioReadCounterSP2 ioReadSP2Inputs ioReadSP2Outputs ioWriteSP2Outputs Exit Handler Function The argument used to specify the exit handler function in existing calls to installExitHandler must be cast to the type (FUNCPTR). Please see the documentation for installExitHandler in the Function Specifications section for more details. Program Status Functions The functions getProgramStatus and setProgramStatus have changed syntax. To support multiple C++ applications, these functions now have an argument to specify the application. The new syntax for these functions is documented in the Function Specifications section. Freeing Dynamic Memory When a C++ Application is ended (e.g. by using the STOP button from the C/C++ Program Loader), memory allocated by using the malloc function is not freed automatically. An exit handler must be installed to free allocated memory. Please see the documentation for installExitHandler in the Function Specifications section for more details. Non-Volatile Data Sections The SCADAPack2 has a different method for declaring static non-volatile memory. There is still 8 kB of memory available but it must now be shared with all user-loaded C++ applications. Non-volatile variable declarations and their pragma statements must be removed from each source file and declared globally in the one file nvMemory.h. Include nvMemory.h in each source file that uses non-volatile variables. Please see the section Non-Volatile Memory for more details on editing nvMemory.h and on using these variables in your source files. 2 SCADAPack C++ Tools User Manual 527
