Пример #1
0
/*!
 * \brief Adds the name and its associated number to the names database.
 * 
 * \param[in] name   The name to add.
 * \param[in] number The number to be associated with the name.
 * 
 * \return MQX_OK
 * \return MQX_CANNOT_CALL_FUNCTION_FROM_ISR (Function cannot be called from an ISR.)
 * \return MQX_INVALID_COMPONENT_BASE (Name component data is not valid.)
 * \return MQX_OUT_OF_MEMORY (MQX cannot allocate memory for the name component.)
 * \return NAME_EXISTS (Name is already in the names database.)
 * \return NAME_TABLE_FULL (Names database is full.)
 * \return NAME_TOO_LONG (Name is longer than NAME_MAX_NAME_SIZE.)
 * \return NAME_TOO_SHORT (Name is 0 length string.)
 * 
 * \warning Creates the name component with default values if it was not previously 
 * created.
 * \warning Cannot be called from an ISR.
 * 
 * \see _name_create_component
 * \see _name_delete
 * \see _name_find   
 */ 
_mqx_uint _name_add
(
    char     *name,
    _mqx_max_type number
)
{ /* Body */
    KERNEL_DATA_STRUCT_PTR kernel_data;
    void                  *handle;
    _mqx_uint              result;

    _GET_KERNEL_DATA(kernel_data);

    _KLOGE3(KLOG_name_add, name, number);

#if MQX_CHECK_ERRORS
    if (kernel_data->IN_ISR)
    {
        _KLOGX2(KLOG_name_add, MQX_CANNOT_CALL_FUNCTION_FROM_ISR);
        return (MQX_CANNOT_CALL_FUNCTION_FROM_ISR);
    } /* Endif */
#endif /* MQX_CHECK_ERRORS */

    handle = kernel_data->KERNEL_COMPONENTS[KERNEL_NAME_MANAGEMENT];
    if (handle == NULL)
    {
        result = _name_create_component(NAME_DEFAULT_INITIAL_NUMBER, NAME_DEFAULT_GROW_NUMBER,
                        NAME_DEFAULT_MAXIMUM_NUMBER);
        handle = kernel_data->KERNEL_COMPONENTS[KERNEL_NAME_MANAGEMENT];
#if MQX_CHECK_MEMORY_ALLOCATION_ERRORS
        if (handle == NULL)
        {
            _KLOGX2(KLOG_name_add, result);
            return (result);
        } /* Endif */
#endif /* MQX_CHECK_MEMORY_ALLOCATION_ERRORS */
    } /* Endif */

    result = _name_add_internal(handle, name, number);
    _KLOGX2(KLOG_name_add, result);
    return (result);

} /* Endbody */
Пример #2
0
_mqx_uint _event_create_internal
   (
      /* [IN] the string name for the event */
      char _PTR_              name_ptr,

      /* [OUT] where the event pointer is */
      EVENT_STRUCT_PTR _PTR_  event_ptr_ptr
   )
{ /* Body */
            KERNEL_DATA_STRUCT_PTR     kernel_data;
   register EVENT_COMPONENT_STRUCT_PTR event_component_ptr;
   register EVENT_STRUCT_PTR           event_ptr;
            _mqx_uint                   result;
   
   _GET_KERNEL_DATA(kernel_data);                                         

   _KLOGE2(KLOG_event_create, name_ptr);

#if MQX_CHECK_ERRORS
   if (kernel_data->IN_ISR) {
      _KLOGX2(KLOG_event_create, MQX_CANNOT_CALL_FUNCTION_FROM_ISR);
      return(MQX_CANNOT_CALL_FUNCTION_FROM_ISR);
   } /* Endif */
#endif

   event_component_ptr = (EVENT_COMPONENT_STRUCT_PTR)
      kernel_data->KERNEL_COMPONENTS[KERNEL_EVENTS];
   if (event_component_ptr == NULL) {
      result = _event_create_component(EVENT_DEFAULT_INITIAL_NUMBER,
         EVENT_DEFAULT_GROW_NUMBER, EVENT_DEFAULT_MAXIMUM_NUMBER);
      event_component_ptr = (EVENT_COMPONENT_STRUCT_PTR)
         kernel_data->KERNEL_COMPONENTS[KERNEL_EVENTS];
#if MQX_CHECK_MEMORY_ALLOCATION_ERRORS
      if (event_component_ptr == NULL){
         _KLOGX2(KLOG_event_create, result);
        return(result);
      } /* Endif */
#endif
   } /* Endif */

#if MQX_CHECK_VALIDITY
   if (event_component_ptr->VALID != EVENT_VALID){
      _KLOGX2(KLOG_event_create, MQX_INVALID_COMPONENT_BASE);
      return(MQX_INVALID_COMPONENT_BASE);
   } /* Endif */
#endif

   event_ptr = (EVENT_STRUCT_PTR)_mem_alloc_system_zero(
      (_mem_size)sizeof(EVENT_STRUCT));
#if MQX_CHECK_MEMORY_ALLOCATION_ERRORS
   if (event_ptr == NULL) {
      _KLOGX2(KLOG_event_create, MQX_OUT_OF_MEMORY);
      return(MQX_OUT_OF_MEMORY);
   } /* Endif */
#endif
   _mem_set_type(event_ptr, MEM_TYPE_EVENT);

   _QUEUE_INIT(&event_ptr->WAITING_TASKS, EVENT_MAX_WAITING_TASKS);

   strncpy(event_ptr->NAME, name_ptr, (_mqx_uint)NAME_MAX_NAME_SIZE-1);
   event_ptr->NAME[NAME_MAX_NAME_SIZE-1] = '\0';
   result = _name_add_internal(event_component_ptr->NAME_TABLE_HANDLE, 
      event_ptr->NAME, (_mqx_uint)event_ptr);
#if MQX_CHECK_ERRORS
   if (result != MQX_OK) {
      _mem_free(event_ptr);
      if (result == NAME_EXISTS) {
         _KLOGX2(KLOG_event_create, EVENT_EXISTS);
         return(EVENT_EXISTS);
      } else if (result == NAME_TABLE_FULL) {
         _KLOGX2(KLOG_event_create, EVENT_TABLE_FULL);
         return(EVENT_TABLE_FULL);
      } /* Endif */
      _KLOGX2(KLOG_event_create, result);
      return(result);
   } /* Endif */
#endif
   event_ptr->VALID = EVENT_VALID;

   *event_ptr_ptr = event_ptr;

   _KLOGX2(KLOG_event_create, result);
   return(result);

} /* Endbody */