STW TC1, Руководство пользователя

Страница: 155 / 374

7 Teleservice Application Framework
User Manual 155/374
Structure T_DBUS_Util
typedef struct
{
DBusConnection* pt_dbus_conn;
// D-BUS connection instance
charn acn_myNameString[128]; // Name of the application, Don't use any
special
// characters, white spaces or new lines!
charn acn_myVersion[128]; // Additional value (for HELLO) signal (opt.)
charn acn_myStatus[128]; // Additional value (for HELLO) signal (opt.)
charn acn_myAddInfo[512]; // Additional value (for HELLO) signal (opt.)
sint32 s32_myTriginterval; // Time interval when the ysysd
// expects to be triggered
charn acn_myCMDOnWatchdog[2048]; // Bash cmd that must be executed
// by the ysysd in case no
// trigger signal occurred in time.
} T_DBUS_Util;
Output Information
Return Value Description
IGN_OFF Ignition pin is low (off)
IGN_ON Ignition pin is high (on)
C_UNKNOWN_ERR Could not retrieve the ignition status from system daemon
C_RANGE Parameter opt_DBusInstance is a NULL pointer
Example
// Global module
T_DBUS_Util mt_DBUS_Util;
sint32 s32_Retval;
s32_Retval = ysysd_get_ignition_status (&mt_DBUS_Util));
if (s32_Retval == IGN_OFF)
{
// Ignition is off
}
else if (s32_Retval == IGN_ON)
{
// Ignition is on
}
else
{
// Error reading the ignition status
}