The data packet is a location in application storage where the Touch Display driver will return the caller to the Touch Display mouse emulation state. The format is as follows:
┌──────────────────────────────────────┐ │Field Length C Datatype │ ├──────────────────────────────────────┤ │Emul State WORD USHORT │ └──────────────────────────────────────┘