diff options
Diffstat (limited to 'pcilib/pcipywrap.c')
-rw-r--r-- | pcilib/pcipywrap.c | 542 |
1 files changed, 0 insertions, 542 deletions
diff --git a/pcilib/pcipywrap.c b/pcilib/pcipywrap.c deleted file mode 100644 index 18874af..0000000 --- a/pcilib/pcipywrap.c +++ /dev/null @@ -1,542 +0,0 @@ -#include "pci.h" -#include "error.h" -#include <Python.h> - -/*! - * \brief Global pointer to pcilib_t context. - * Used by setPcilib and read_register. - */ -pcilib_t* __ctx = 0; - -/*! - * \brief Wraping for vsnprintf function, that saves string to char* - * \return saved from vsnprintf string - */ -char* vmake_str(const char* msg, va_list vl) -{ - char *buf; - size_t sz; - - va_list vl_copy; - va_copy(vl_copy, vl); - - sz = vsnprintf(NULL, 0, msg, vl); - buf = (char *)malloc(sz + 1); - - if(!buf) - { - return NULL; - } - - vsnprintf(buf, sz+1, msg, vl_copy); - va_end(vl_copy); - - return buf; -} - -/*! - * \brief Wraping for vsnprintf function, that saves string to char* - * \return saved from vsnprintf string - */ -char* make_str(const char* msg, ...) -{ - va_list vl; - va_start(vl, msg); - char *buf = vmake_str(msg, vl); - va_end(vl); - return buf; -} - -/*! - * \brief Version of pcilib_logger_t, that saves error text to Python exeption - */ -void pcilib_print_error_to_py(void *arg, const char *file, int line, - pcilib_log_priority_t prio, const char *msg, - va_list va) { - char* buf_raw_msg = vmake_str(msg, va); - char* buf_wrapped_message = make_str("%s [%s:%d]\n", buf_raw_msg, file, line); - - printf("%s", buf_wrapped_message); - PyErr_SetString(PyExc_Exception, buf_wrapped_message); - - free(buf_wrapped_message); - free(buf_raw_msg); -} - -/*! - * \brief Inits pcipywrap module at importing - */ -void init_pcipywrap_module() -{ - pcilib_set_logger(pcilib_get_logger_min_prio(), - pcilib_print_error_to_py, - pcilib_get_logger_argument()); -} - -/*! - * \brief Wraps for pcilib_open function. - * \param[in] fpga_device path to the device file [/dev/fpga0] - * \param[in] model specifies the model of hardware, autodetected if NULL is passed - * \return Pointer to pcilib_t, created by pcilib_open, serialized to bytearray; NULL with exeption text, if failed. - */ -PyObject* createPcilibInstance(const char *fpga_device, const char *model) -{ - //opening device - pcilib_t* ctx = pcilib_open(fpga_device, model); - if(!ctx) - return NULL; - - //serializing object - return PyByteArray_FromStringAndSize((const char*)&ctx, sizeof(pcilib_t*)); -} - -/*! - * \brief Closes current pciliv instance, if its open. - */ -void closeCurrentPcilibInstance() -{ - if(__ctx) - { - pcilib_close(__ctx); - __ctx = NULL; - } -} - -/*! - * \brief Returns current opened pcilib_t instatnce - * \return Pointer to pcilib_t, serialized to bytearray - */ -PyObject* getCurrentPcilibInstance() -{ - return PyByteArray_FromStringAndSize((const char*)&__ctx, sizeof(pcilib_t*)); -} - -/*! - * \brief Sets pcilib context to wraper. - * \param[in] addr Pointer to pcilib_t, serialized to bytearray - * \return 1, serialized to PyObject or NULL with exeption text, if failed. - */ -PyObject* setPcilib(PyObject* addr) -{ - if(!PyByteArray_Check(addr)) - { - pcilib_error("Incorrect addr type. Only bytearray is allowed"); - return NULL; - } - - //deserializing adress - char* pAddr = PyByteArray_AsString(addr); - - //hard copy context adress - for(int i = 0; i < sizeof(pcilib_t*) + 10; i++) - ((char*)&__ctx)[i] = pAddr[i]; - - return PyInt_FromLong((long)1); -} - - -/*! - * \brief Reads register value. Wrap for pcilib_read_register function. - * \param[in] regname the name of the register - * \param[in] bank should specify the bank name if register with the same name may occur in multiple banks, NULL otherwise - * \return register value, can be integer or float type; NULL with exeption text, if failed. - */ -PyObject* read_register(const char *regname, const char *bank) -{ - if(!__ctx) - { - pcilib_error("pcilib_t handler not initialized"); - return NULL; - } - - pcilib_value_t val = {0}; - pcilib_register_value_t reg_value; - - int err; - - err = pcilib_read_register(__ctx, bank, regname, ®_value); - if(err) - { - pcilib_error("Failed: pcilib_read_register (%i)", err); - return NULL; - } - - err = pcilib_set_value_from_register_value(__ctx, &val, reg_value); - if(err) - { - pcilib_error("Failed: pcilib_set_value_from_register_value (%i)", err); - return NULL; - } - - return pcilib_convert_val_to_pyobject(__ctx, &val); -} - -/*! - * \brief Writes value to register. Wrap for pcilib_write_register function. - * \param[in] val Register value, that needs to be set. Can be int, float or string. - * \param[in] regname the name of the register - * \param[in] bank should specify the bank name if register with the same name may occur in multiple banks, NULL otherwise - * \return 1, serialized to PyObject or NULL with exeption text, if failed. - */ -PyObject* write_register(PyObject* val, const char *regname, const char *bank) -{ - if(!__ctx) - { - pcilib_error("pcilib_t handler not initialized"); - return NULL; - } - - pcilib_value_t val_internal = {0}; - pcilib_register_value_t reg_value; - - int err; - err = pcilib_convert_pyobject_to_val(__ctx, val, &val_internal); - if(err) - { - pcilib_error("Failed pcilib_convert_pyobject_to_val (%i)", err); - return NULL; - } - - reg_value = pcilib_get_value_as_register_value(__ctx, &val_internal, &err); - if(err) - { - pcilib_error("Failed: pcilib_get_value_as_register_value (%i)", err); - return NULL; - } - - err = pcilib_write_register(__ctx, bank, regname, reg_value); - if(err) - { - pcilib_error("Failed: pcilib_write_register (%i)", err); - return NULL; - } - return PyInt_FromLong((long)1); -} - -/*! - * \brief Reads propety value. Wrap for pcilib_get_property function. - * \param[in] prop property name (full name including path) - * \return property value, can be integer or float type; NULL with exeption text, if failed. - */ -PyObject* get_property(const char *prop) -{ - if(!__ctx) - { - pcilib_error("pcilib_t handler not initialized"); - return NULL; - } - - int err; - pcilib_value_t val = {0}; - - err = pcilib_get_property(__ctx, prop, &val); - - if(err) - { - pcilib_error("Failed pcilib_get_property (%i)", err); - return NULL; - } - - return pcilib_convert_val_to_pyobject(__ctx, &val); -} - -/*! - * \brief Writes value to property. Wrap for pcilib_set_property function. - * \param[in] prop property name (full name including path) - * \param[in] val Property value, that needs to be set. Can be int, float or string. - * \return 1, serialized to PyObject or NULL with exeption text, if failed. - */ -PyObject* set_property(const char *prop, PyObject* val) -{ - int err; - - if(!__ctx) - { - pcilib_error("pcilib_t handler not initialized"); - return NULL; - } - - pcilib_value_t val_internal = {0}; - err = pcilib_convert_pyobject_to_val(__ctx, val, &val_internal); - if(err) - { - pcilib_error("Failed pcilib_convert_pyobject_to_val (%i)", err); - return NULL; - } - - err = pcilib_set_property(__ctx, prop, &val_internal); - - if(err) - { - pcilib_error("Failed pcilib_get_property (%i)", err); - return NULL; - } - - return PyInt_FromLong((long)1); -} - -void add_pcilib_value_to_dict(PyObject* dict, pcilib_value_t* val, const char *name) -{ - PyObject *py_val = (PyObject*)pcilib_convert_val_to_pyobject(__ctx, val); - - if(py_val) - PyDict_SetItem(dict, - PyString_FromString(name), - py_val); - else - PyDict_SetItem(dict, - PyString_FromString("defvalue"), - PyString_FromString("invalid")); -} - -PyObject * pcilib_convert_property_info_to_pyobject(pcilib_property_info_t listItem) -{ - PyObject* pylistItem = PyDict_New(); - - if(listItem.name) - PyDict_SetItem(pylistItem, - PyString_FromString("name"), - PyString_FromString(listItem.name)); - - if(listItem.description) - PyDict_SetItem(pylistItem, - PyString_FromString("description"), - PyString_FromString(listItem.description)); - - if(listItem.path) - PyDict_SetItem(pylistItem, - PyString_FromString("path"), - PyString_FromString(listItem.path)); - - //serialize types - const char* type = "invalid"; - switch(listItem.type) - { - case PCILIB_TYPE_INVALID: - type = "invalid"; - break; - case PCILIB_TYPE_STRING: - type = "string"; - break; - case PCILIB_TYPE_DOUBLE: - type = "double"; - break; - case PCILIB_TYPE_LONG : - type = "long"; - break; - default: - break; - } - PyDict_SetItem(pylistItem, - PyString_FromString("type"), - PyString_FromString(type)); - - - //serialize modes - PyObject* modes = PyList_New(0); - - if((listItem.mode & PCILIB_ACCESS_R ) == PCILIB_REGISTER_R) - PyList_Append(modes, PyString_FromString("R")); - if((listItem.mode & PCILIB_ACCESS_W ) == PCILIB_REGISTER_W) - PyList_Append(modes, PyString_FromString("W")); - if((listItem.mode & PCILIB_ACCESS_RW ) == PCILIB_REGISTER_RW) - PyList_Append(modes, PyString_FromString("RW")); - if((listItem.mode & PCILIB_REGISTER_NO_CHK) == PCILIB_REGISTER_NO_CHK) - PyList_Append(modes, PyString_FromString("NO_CHK")); - - PyDict_SetItem(pylistItem, - PyString_FromString("mode"), - modes); - - //serialize flags - PyObject* flags = PyList_New(0); - - if((listItem.flags & PCILIB_LIST_FLAG_CHILDS ) == PCILIB_LIST_FLAG_CHILDS) - PyList_Append(flags, PyString_FromString("childs")); - - PyDict_SetItem(pylistItem, - PyString_FromString("flags"), - flags); - - if(listItem.unit) - PyDict_SetItem(pylistItem, - PyString_FromString("unit"), - PyString_FromString(listItem.unit)); - - return pylistItem; -} - -PyObject * pcilib_convert_register_info_to_pyobject(pcilib_register_info_t listItem) -{ - PyObject* pylistItem = PyDict_New(); - - if(listItem.name) - PyDict_SetItem(pylistItem, - PyString_FromString("name"), - PyString_FromString(listItem.name)); - - if(listItem.description) - PyDict_SetItem(pylistItem, - PyString_FromString("description"), - PyString_FromString(listItem.description)); - - if(listItem.bank) - PyDict_SetItem(pylistItem, - PyString_FromString("bank"), - PyString_FromString(listItem.bank)); - - //serialize modes - PyObject* modes = PyList_New(0); - - if((listItem.mode & PCILIB_REGISTER_R) == PCILIB_REGISTER_R) - PyList_Append(modes, PyString_FromString("R")); - if((listItem.mode & PCILIB_REGISTER_W) == PCILIB_REGISTER_W) - PyList_Append(modes, PyString_FromString("W")); - if((listItem.mode & PCILIB_REGISTER_RW) == PCILIB_REGISTER_RW) - PyList_Append(modes, PyString_FromString("RW")); - if((listItem.mode & PCILIB_REGISTER_W1C) == PCILIB_REGISTER_W1C) - PyList_Append(modes, PyString_FromString("W1C")); - if((listItem.mode & PCILIB_REGISTER_RW1C) == PCILIB_REGISTER_RW1C) - PyList_Append(modes, PyString_FromString("RW1C")); - if((listItem.mode & PCILIB_REGISTER_W1I) == PCILIB_REGISTER_W1I) - PyList_Append(modes, PyString_FromString("W1I")); - if((listItem.mode & PCILIB_REGISTER_RW1I) == PCILIB_REGISTER_RW1I) - PyList_Append(modes, PyString_FromString("RW1I")); - if((listItem.mode & PCILIB_REGISTER_NO_CHK) == PCILIB_REGISTER_NO_CHK) - PyList_Append(modes, PyString_FromString("NO_CHK")); - - PyDict_SetItem(pylistItem, - PyString_FromString("mode"), - modes); - - pcilib_value_t defval = {0}; - pcilib_set_value_from_register_value(__ctx, &defval, listItem.defvalue); - add_pcilib_value_to_dict(pylistItem, &defval, "defvalue"); - - if(listItem.range) - { - pcilib_value_t minval = {0}; - pcilib_set_value_from_register_value(__ctx, &minval, listItem.range->min); - - pcilib_value_t maxval = {0}; - pcilib_set_value_from_register_value(__ctx, &maxval, listItem.range->max); - - PyObject* range = PyDict_New(); - add_pcilib_value_to_dict(range, &minval, "min"); - add_pcilib_value_to_dict(range, &maxval, "max"); - PyDict_SetItem(pylistItem, - PyString_FromString("range"), - range); - } - - if(listItem.values) - { - PyObject* values = PyList_New(0); - - for (int j = 0; listItem.values[j].name; j++) - { - PyObject* valuesItem = PyDict_New(); - - pcilib_value_t val = {0}; - pcilib_set_value_from_register_value(__ctx, &val, listItem.values[j].value); - - pcilib_value_t min = {0}; - pcilib_set_value_from_register_value(__ctx, &min, listItem.values[j].min); - - pcilib_value_t max = {0}; - pcilib_set_value_from_register_value(__ctx, &max, listItem.values[j].max); - - add_pcilib_value_to_dict(valuesItem, &val, "value"); - add_pcilib_value_to_dict(valuesItem, &min, "min"); - add_pcilib_value_to_dict(valuesItem, &max, "max"); - - if(listItem.values[j].name) - PyDict_SetItem(valuesItem, - PyString_FromString("name"), - PyString_FromString(listItem.values[j].name)); - - if(listItem.values[j].description) - PyDict_SetItem(valuesItem, - PyString_FromString("name"), - PyString_FromString(listItem.values[j].description)); - - PyList_Append(values, valuesItem); - } - - PyDict_SetItem(pylistItem, - PyString_FromString("values"), - values); - } - - return pylistItem; -} - -PyObject* get_register_list(const char *bank) -{ - if(!__ctx) - { - pcilib_error("pcilib_t handler not initialized"); - return NULL; - } - - pcilib_register_info_t *list = pcilib_get_register_list(__ctx, bank, PCILIB_LIST_FLAGS_DEFAULT); - - PyObject* pyList = PyList_New(0); - for(int i = 0; i < __ctx->num_reg; i++) - { - //serialize item attributes - PyObject* pylistItem = pcilib_convert_register_info_to_pyobject(list[i]); - PyList_Append(pyList, pylistItem); - } - - pcilib_free_register_info(__ctx, list); - - return pyList; -} - -PyObject* get_register_info(const char* reg,const char *bank) -{ - if(!__ctx) - { - pcilib_error("pcilib_t handler not initialized"); - return NULL; - } - - pcilib_register_info_t *info = pcilib_get_register_info(__ctx, bank, reg, PCILIB_LIST_FLAGS_DEFAULT); - - if(!info) - { - pcilib_error("Failed pcilib_get_register_info"); - return NULL; - } - - PyObject* py_info = pcilib_convert_register_info_to_pyobject(info[0]); - - pcilib_free_register_info(__ctx, info); - - return py_info; -} - -PyObject* get_property_info(const char* branch) -{ - if(!__ctx) - { - pcilib_error("pcilib_t handler not initialized"); - return NULL; - } - - pcilib_property_info_t *list = pcilib_get_property_list(__ctx, branch, PCILIB_LIST_FLAGS_DEFAULT); - - PyObject* pyList = PyList_New(0); - - for(int i = 0; list[i].path; i++) - { - //serialize item attributes - PyObject* pylistItem = pcilib_convert_property_info_to_pyobject(list[i]); - PyList_Append(pyList, pylistItem); - } - - pcilib_free_property_info(__ctx, list); - - return pyList; -} |