STW TC1, Руководство пользователя

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7 Teleservice Application Framework
User Manual 181/374
}E_DataType;
Example
// Global module
sint32 s32_DataPoolIndex;
sint32 s32_ListIndex;
sint32 s32_VarIndex;
T_DATA_VARIABLE_INFO t_DataVariableInfo;
sint32 s32_Retval;
s32_DataPoolIndex = ydatad_get_datapool_index ("MyDatapool")
s32_ListIndex = ydatad_get_list_index (s32_DataPoolIndex , "GPSDates");
s32_VarIndex = ydatad_get_variable_index (s32_DataPoolIndex, s32_ListIndex , "Logitude");
7.3.5.4.6 ydatad_get_list_index
Function Description
sint32 ydatad_get_list_index (const sint32 ops32_DatapoolIndex, const charn * const
opcn_VariableListName)
The function returns the variable list index number ops32_DatapoolIndex, of the variable list name
opcn_VariableListName.
Information Flow
Input Information
Parameter Range Description
os32_DatapoolIndex 0 .. maximum of sint32 includes the index of the data pool
opcn_VariableListName 1 ..
MAX_DP_NAME_LENGTH pointer to the variable list name
Output Information
Return Value Description
>= 0 Returns the data pool index number of the named list
C_UNKNOWN_ERR NULL pointer
C_RANGE Data pool not initialized or data pool index invalid or variable list name out of range
Structure T_DATA_VARIABLE_INFO
typedef struct
{
charn acn_VarName[MAX_DP_NAME_LENGTH];
// Variable name, max size of 32
charn acn_Type[MAX_DP_TYPENAME_LENGTH]; // Type of variable: max size of 10
WARNING:
The data pool names and the data pool itself have to be loaded first.