typedef enum
{ 
    emDisabled,
    emEnabled,
    emEnabled_AES
} GAP_Encryption_Mode_t

typedef enum
{ 
    etInquiry_Result,
    etEncryption_Change_Result,
    etAuthentication,
    etRemote_Name_Result,
    etInquiry_Entry_Result,
    etInquiry_With_RSSI_Entry_Result,
    etExtended_Inquiry_Entry_Result,
    etEncryption_Refresh_Complete,
    etRemote_Features_Result,
    etRemote_Version_Information_Result,
    etAuthenticated_Payload_Timeout
} GAP_Event_Type_t;

typedef enum
{ 
    lcmNonConnectable,
    lcmConnectable,
    lcmDirectConnectable,
    lcmLowDutyCycleDirectConnectable
} GAP_LE_Connectability_Mode_t;

typedef enum
{ 
    etLE_Remote_Features_Result,
    etLE_Advertising_Report,
    etLE_Connection_Complete,
    etLE_Disconnection_Complete,
    etLE_Encryption_Change,
    etLE_Encryption_Refresh_Complete,
    etLE_Authentication,
    etLE_Connection_Parameter_Update_Request,
    etLE_Connection_Parameter_Update_Response,
    etLE_Connection_Parameter_Updated,
    etLE_Authenticated_Payload_Timeout_Expired
} GAP_LE_Event_Type_t;