| 1 | ;;************************************************ STATIC LIBRARY CASE FILE LOCATION *************************************************
|
|---|
| 2 | ;;************************************************ LIBRARY LOADING IT IS WORKING ****************************************
|
|---|
| 3 | ;;************************************************ BUT THE FMU INSTANTIATION FAILS ****************************************
|
|---|
| 4 | ;;************************************************* SOMETIMES WE POINT TO THE NULL POINTER *******************************************
|
|---|
| 5 | ;;******************************** DETAIL : WE ACCESS THE LIBRARY AND FUNCTIONS POINTERS BUT NO INSTANTIATION OF THE ME FMU ***************
|
|---|
| 6 | ;;**************************************** WE EVEN CAN PARAMETRIZE THE CALL BACK FUNCTIONS ***********************************
|
|---|
| 7 | ;; ************************** BUT THE FMU OBJECT INSTANTIATION IS FROZEN ******************************
|
|---|
| 8 |
|
|---|
| 9 |
|
|---|
| 10 | I have tried to decompose the model exchange instantiation method into its intermediate stages.
|
|---|
| 11 | Starting from the point where I already have the fmu-information data from the access path to the
|
|---|
| 12 | binary location.
|
|---|
| 13 | Notice that here this is a static compilation.
|
|---|
| 14 |
|
|---|
| 15 | At this point the object f-i is the fmu-info object.
|
|---|
| 16 | FMI> (defparameter f-i fmu-info)
|
|---|
| 17 | F-I
|
|---|
| 18 |
|
|---|
| 19 | ;;************************************************ STATIC LIBRARY CASE FILE LOCATION *************************************************
|
|---|
| 20 | We then try to load the library by first the location of the library .... here static format
|
|---|
| 21 |
|
|---|
| 22 | FMI> (defparameter lib-dir-content (directory
|
|---|
| 23 | (concatenate
|
|---|
| 24 | 'string
|
|---|
| 25 | (namestring (ldp f-i))
|
|---|
| 26 | "*"
|
|---|
| 27 | *PROBE-EXT*)))
|
|---|
| 28 | LIB-DIR-CONTENT
|
|---|
| 29 | FMI> lib-dir-content
|
|---|
| 30 | (#P"/home/frederic/quicklisp/local-projects/cl-fmi/test/FirstOrderStat/unzip-3763847132/binaries/linux64/Modelica_Blocks_Continuous_FirstOrder.so")
|
|---|
| 31 |
|
|---|
| 32 |
|
|---|
| 33 | ;;************************************************ LIBRARY LOADING IT IS WORKING ****************************************
|
|---|
| 34 | We then create the model exchange object instance.
|
|---|
| 35 | Here is the common lisp cffi way of doing it ... notice that the last two parameters of the fmi2Instantiate function are set to 0 0.
|
|---|
| 36 | The old fmu working case accepts this restriction.
|
|---|
| 37 |
|
|---|
| 38 | In our test here
|
|---|
| 39 |
|
|---|
| 40 | ;;************************************************ BUT THE FMU INSTANTIATION FAILS ****************************************
|
|---|
| 41 | FMI> (mapcar #'cffi:load-foreign-library
|
|---|
| 42 | lib-dir-content)
|
|---|
| 43 | (#<CFFI:FOREIGN-LIBRARY MODELICA_BLOCKS_CONTINUOUS_FIRSTORDER.SO-1056 "Modelica_Blocks_Continuous_FirstOrder.so">)
|
|---|
| 44 | FMI> (cffi:with-foreign-object (cbf 'fmi2CallbackFunctions)
|
|---|
| 45 | (setf (cffi:foreign-slot-value cbf
|
|---|
| 46 | 'fmi2CallbackFunctions
|
|---|
| 47 | 'allocateMemory)
|
|---|
| 48 | calloc-function-pointer)
|
|---|
| 49 | (setf (cffi:foreign-slot-value cbf
|
|---|
| 50 | 'fmi2CallbackFunctions
|
|---|
| 51 | 'freeMemory)
|
|---|
| 52 | free-function-pointer)
|
|---|
| 53 | (setf (cffi:foreign-slot-value cbf 'fmi2CallbackFunctions
|
|---|
| 54 | 'stepFinished)
|
|---|
| 55 | (cffi:null-pointer))
|
|---|
| 56 | (setf (cffi:foreign-slot-value cbf
|
|---|
| 57 | 'fmi2CallbackFunctions
|
|---|
| 58 | 'componentEnvironment)
|
|---|
| 59 | (cffi:null-pointer))
|
|---|
| 60 | (make-instance 'instance-me
|
|---|
| 61 | :p (fmi2Instantiate
|
|---|
| 62 | (mn (md f-i))
|
|---|
| 63 | :fmi2ModelExchange
|
|---|
| 64 | (g (md f-i))
|
|---|
| 65 | (string-right-trim "/"
|
|---|
| 66 | (namestring (car (directory (ldp f-i)))))
|
|---|
| 67 | cbf
|
|---|
| 68 | 0
|
|---|
| 69 | 0 )
|
|---|
| 70 | :i f-i))
|
|---|
| 71 | #<INSTANCE-ME {10025F25A3}>
|
|---|
| 72 |
|
|---|
| 73 | WE HAVE A POINTER !!!!!
|
|---|
| 74 | ;;************************************************* SOMETIMES WE POINT TO THE NULL POINTER *******************************************
|
|---|
| 75 | I then can assign a symbol to it and try the process of talking to it.
|
|---|
| 76 | But in fact the pointer to the callback function is null !!!
|
|---|
| 77 | FMI> (defparameter fmu-test #<INSTANCE-ME {10025F25A3}>)
|
|---|
| 78 | FMU-TEST
|
|---|
| 79 | FMI> (fmi2reset (p fmu-test))
|
|---|
| 80 | :FMI2ERROR
|
|---|
| 81 | FMI> (p fmu-test)
|
|---|
| 82 | #.(SB-SYS:INT-SAP #X00000000)
|
|---|
| 83 |
|
|---|
| 84 | ;;***********************************************************************************************************************************************
|
|---|
| 85 | ;;******************************** DETAIL : WE ACCESS THE LIBRARY AND FUNCTIONS POINTERS BUT NO INSTANTIATION OF THE ME FMU ***************
|
|---|
| 86 | ;;***********************************************************************************************************************************************
|
|---|
| 87 | DO I REALLY ACCESS THE LIBRARY ?
|
|---|
| 88 | Here is a detailed step by step definition of the fmu callback function object.
|
|---|
| 89 | And you can see that I managed to get a non-null pointer for each function.
|
|---|
| 90 | The callback functions pointer is cbf-fmu
|
|---|
| 91 |
|
|---|
| 92 | FMI> (defparameter cbam-fmu (cffi:foreign-alloc 'fmi2CallbackAllocateMemory))
|
|---|
| 93 | CBAM-FMU
|
|---|
| 94 | FMI> CBAM-FMU
|
|---|
| 95 | #.(SB-SYS:INT-SAP #X7FFFE80008E0)
|
|---|
| 96 | FMI> (defparameter cbfm-fmu (cffi:foreign-alloc 'fmi2CallbackFreeMemory))
|
|---|
| 97 | CBFM-FMU
|
|---|
| 98 | FMI> CBFM-FMU
|
|---|
| 99 | #.(SB-SYS:INT-SAP #X7FFFE80065C0)
|
|---|
| 100 | FMI> (defparameter cbl-fmu (cffi:foreign-alloc 'fmi2CallbackLogger))
|
|---|
| 101 | CBL-FMU
|
|---|
| 102 | FMI> CBL-FMU
|
|---|
| 103 | #.(SB-SYS:INT-SAP #X7FFFE80065E0)
|
|---|
| 104 | FMI> (defparameter cbf-fmu (cffi:foreign-alloc 'fmi2CallbackFunctions) )
|
|---|
| 105 | CBF-FMU
|
|---|
| 106 | FMI> CBF-FMU
|
|---|
| 107 | #.(SB-SYS:INT-SAP #X7FFFE8006600)
|
|---|
| 108 |
|
|---|
| 109 | ;;**************************************** WE EVEN CAN PARAMETRIZE THE CALL BACK FUNCTIONS ***********************************
|
|---|
| 110 | If we move on we can access the loggerstatus
|
|---|
| 111 | At the end the fmi2Instantiate function call doesn't work ... in this case the REPL is frozen with no warning messages.
|
|---|
| 112 |
|
|---|
| 113 |
|
|---|
| 114 | FMI> (defparameter loggerStatus (cffi:foreign-alloc 'fmi2Status))
|
|---|
| 115 | LOGGERSTATUS
|
|---|
| 116 | FMI> LOGGERSTATUS
|
|---|
| 117 | #.(SB-SYS:INT-SAP #X7FFFE8006630)
|
|---|
| 118 |
|
|---|
| 119 | ;; some variables are defined so we can use either 0 or fmi2False
|
|---|
| 120 | FMI> (string-right-trim "/" (namestring (car (directory (ldp f-i)))))
|
|---|
| 121 | "/home/frederic/quicklisp/local-projects/cl-fmi/test/FirstOrderStat/unzip-3763847132/binaries/linux64"
|
|---|
| 122 | FMI> fmi2True
|
|---|
| 123 | 1
|
|---|
| 124 | FMI> calloc-function-pointer
|
|---|
| 125 | #.(SB-SYS:INT-SAP #X7FFFF7176900)
|
|---|
| 126 | FMI> (setf (cffi:foreign-slot-value cbf-fmu
|
|---|
| 127 | 'fmi2CallbackFunctions
|
|---|
| 128 | 'allocateMemory)
|
|---|
| 129 | calloc-function-pointer)
|
|---|
| 130 | #.(SB-SYS:INT-SAP #X7FFFF7176900)
|
|---|
| 131 |
|
|---|
| 132 | FMI> free-function-pointer
|
|---|
| 133 | #.(SB-SYS:INT-SAP #X0042D230)
|
|---|
| 134 |
|
|---|
| 135 | FMI> (setf (cffi:foreign-slot-value cbf-fmu
|
|---|
| 136 | 'fmi2CallbackFunctions
|
|---|
| 137 | 'freeMemory)
|
|---|
| 138 | free-function-pointer)
|
|---|
| 139 | #.(SB-SYS:INT-SAP #X0042D230)
|
|---|
| 140 |
|
|---|
| 141 | FMI> (setf (cffi:foreign-slot-value cbf-fmu 'fmi2CallbackFunctions
|
|---|
| 142 | 'stepFinished)
|
|---|
| 143 | (cffi:null-pointer))
|
|---|
| 144 | #.(SB-SYS:INT-SAP #X00000000)
|
|---|
| 145 |
|
|---|
| 146 | FMI> (cffi:null-pointer)
|
|---|
| 147 | #.(SB-SYS:INT-SAP #X00000000)
|
|---|
| 148 |
|
|---|
| 149 | FMI> (mn (md f-i))
|
|---|
| 150 | "Modelica.Blocks.Continuous.FirstOrder"
|
|---|
| 151 |
|
|---|
| 152 | FMI> (g (md f-i))
|
|---|
| 153 | "{15786be9-7df2-4916-bf0b-f46d83152302}"
|
|---|
| 154 |
|
|---|
| 155 | FMI> (string-right-trim "/" (namestring (car (directory (ldp f-i)))))
|
|---|
| 156 | "/home/frederic/quicklisp/local-projects/cl-fmi/test/FirstOrderStat/unzip-3763847132/binaries/linux64"
|
|---|
| 157 |
|
|---|
| 158 | ;; ************************** BUT THE FMU OBJECT INSTANTIATION IS FROZEN ******************************
|
|---|
| 159 | FMI> (fmi2Instantiate
|
|---|
| 160 | (mn (md f-i))
|
|---|
| 161 | :fmi2ModelExchange
|
|---|
| 162 | (g (md f-i))
|
|---|
| 163 | (string-right-trim "/"
|
|---|
| 164 | (namestring (car (directory (ldp f-i)))))
|
|---|
| 165 | cbf-fmu
|
|---|
| 166 | 0
|
|---|
| 167 | 0 )
|
|---|
| 168 | FROZEN
|
|---|
| 169 |
|
|---|
