STW TC1, User Manual

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7 Teleservice Application Framework
User Manual 185/374
7.3.5.4.9 ydatad_get_variable_info
Function Description
sint32 ydatad_get_variable_info (const sint32
os32_DatapoolIndex,
const sint32
os32_VariableListIndex,
const sint32
os32_VariableIndex,
T_DATA_VARIABLE_INFO * const
opt_DataVariableInfo)
The function verifies whether the indexed variable exists and returns a pointer to the variable information
structure opt_DataVariableInfo.
Information Flow
Input Information
Parameter Range Description
os32_DatapoolIndex 0 .. maximum of sint32 includes the data pool index
os32_VariableListIndex 0 .. maximum of sint32 includes the variable list index
os32_VariableIndex 0 .. maximum of sint32 includes the variable index
Output Information
Parameter Range Description
opt_DataVariableInfo T_DATA_VARIABLE_INFO includes the data variable info
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
// "UINT8"
// "SINT8"
// "UINT16"
// "SINT16"
// "UINT32"
// "SINT32"
// "FLOAT32"
// "AOBYTE"
// "STRING"
E_DataType e_TypeIndex;
sint32 s32_Size;
// Size of the variable
charn acn_Unit[MAX_DP_METANAME_LENGTH]; // Unit of the variable, max size of 64
charn acn_Comment[MAX_DP_METANAME_LENGTH]; // Comment of the variable, max size of
64
void* pv_SHM_Address;
sint32 s32_Address_Offset;
} T_DATA_VARIABLE_INFO;
typedef enum
{
eUNKNOWN = 0,
eUINT8,
eSINT8,
eUINT16,
eSINT16,
eUINT32,
eSINT32,