STW TC1, Руководство пользователя

Страница: 160 / 374

7 Teleservice Application Framework
User Manual 160/374
Output Information
Return Value Description
C_NO_ERR Function executed without error
C_UNKNOWN_ERR Error sending the method call or null pointer
C_COM Error receiving the method call answer
C_NOACT Error occurs because data pool is already initialized or variable list already exists
C_RANGE Parameters are out of range
Example
// Global module
T_DBUS_Util mt_DBUS_Util;
sint32 s32_Retval;
s32_Retval = ydatad_create_variable_list (&mt_DBUS_Util, "MyDatapool", "GPSDates",
"Description", "MyApplication");
if (s32_Retval == C_NO_ERR)
{
// Go on
}
7.3.5.2.2 ydatad_add_variable_to_list
Function Description
sint32 ydatad_add_variable_to_list (const T_DBUS_Util const *const opt_DBusInstance, const
charn * const opcn_Datapool , const charn *const opcn_List, const charn * const opcn_Name,
const charn * const opcn_Type, const charn * const opcn_Size, const charn * const
opcn_Unit, const charn * const opcn_Comment)
The function adds a variable with the name opcn_Name of the type opcn_Type, the size opcn_Size to the
specified list opcn_List within the data pool opcn_Datapool. It's also possible to add a unit opcn_Unit and a
comment opcn_Comment to the variable declaration.
Information Flow
Input Information
Parameter Range Description
opt_DBusInstance T_DBUS_Util holds all D-BUS information
opcn_Datapool maximum
MAX_DP_NAME_LENGTH pointer to the data pool name
NOTE:
It's not possible to add variables to already initialized lists or initialized data pools.