stack/include/btu.h - platform/external/bluetooth/bluedroid - Git at Google

 /******************************************************************************
  *
  *  Copyright (C) 1999-2012 Broadcom Corporation
  *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at:
  *
  *  http://www.apache.org/licenses/LICENSE-2.0
  *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  *
  ******************************************************************************/

 /******************************************************************************
  *
  *  this file contains the main Bluetooth Upper Layer definitions. The Broadcom
  *  implementations of L2CAP RFCOMM, SDP and the BTIf run as one GKI task. The
  *  btu_task switches between them.
  *
  ******************************************************************************/

 #ifndef BTU_H
 #define BTU_H

 #include "bt_target.h"
 #include "gki.h"

 /* Define the BTU mailbox usage
 */
 #define BTU_HCI_RCV_MBOX        TASK_MBOX_0     /* Messages from HCI  */
 #define BTU_BTIF_MBOX           TASK_MBOX_1     /* Messages to BTIF   */

 /* callbacks
 */
 typedef void (*tBTU_TIMER_CALLBACK)(TIMER_LIST_ENT *p_tle);
 typedef void (*tBTU_EVENT_CALLBACK)(BT_HDR *p_hdr);


 /* Define the timer types maintained by BTU
 */
 #define BTU_TTYPE_BTM_DEV_CTL       1
 #define BTU_TTYPE_L2CAP_LINK        2
 #define BTU_TTYPE_L2CAP_CHNL        3
 #define BTU_TTYPE_L2CAP_HOLD        4
 #define BTU_TTYPE_SDP               5
 #define BTU_TTYPE_BTM_SCO           6
 #define BTU_TTYPE_BTM_ACL           9
 #define BTU_TTYPE_BTM_RMT_NAME      10
 #define BTU_TTYPE_RFCOMM_MFC        11
 #define BTU_TTYPE_RFCOMM_PORT       12
 #define BTU_TTYPE_TCS_L2CAP         13
 #define BTU_TTYPE_TCS_CALL          14
 #define BTU_TTYPE_TCS_WUG           15
 #define BTU_TTYPE_AUTO_SYNC         16
 #define BTU_TTYPE_CTP_RECON         17
 #define BTU_TTYPE_CTP_T100          18
 #define BTU_TTYPE_CTP_GUARD         19
 #define BTU_TTYPE_CTP_DETACH        20

 #define BTU_TTYPE_SPP_CONN_RETRY    21
 #define BTU_TTYPE_USER_FUNC         22

 #define BTU_TTYPE_FTP_DISC          25
 #define BTU_TTYPE_OPP_DISC          26

 #define BTU_TTYPE_CTP_TL_DISCVY     28
 #define BTU_TTYPE_IPFRAG_TIMER      29
 #define BTU_TTYPE_HSP2_AT_CMD_TO    30
 #define BTU_TTYPE_HSP2_REPEAT_RING  31

 #define BTU_TTYPE_CTP_GW_INIT       32
 #define BTU_TTYPE_CTP_GW_CONN       33
 #define BTU_TTYPE_CTP_GW_IDLE       35

 #define BTU_TTYPE_ICP_L2CAP         36
 #define BTU_TTYPE_ICP_T100          37

 #define BTU_TTYPE_HSP2_WAIT_OK      38

 /* HCRP Timers */
 #define BTU_TTYPE_HCRP_NOTIF_REG    39
 #define BTU_TTYPE_HCRP_PROTO_RSP    40
 #define BTU_TTYPE_HCRP_CR_GRANT     41
 #define BTU_TTYPE_HCRP_CR_CHECK     42
 #define BTU_TTYPE_HCRP_W4_CLOSE     43

 /* HCRPM Timers */
 #define BTU_TTYPE_HCRPM_NOTIF_REG   44
 #define BTU_TTYPE_HCRPM_NOTIF_KEEP  45
 #define BTU_TTYPE_HCRPM_API_RSP     46
 #define BTU_TTYPE_HCRPM_W4_OPEN     47
 #define BTU_TTYPE_HCRPM_W4_CLOSE    48

 /* BNEP Timers */
 #define BTU_TTYPE_BNEP              50

 /* OBX */
 #define BTU_TTYPE_OBX_CLIENT_TO     51
 #define BTU_TTYPE_OBX_SERVER_TO     52
 #define BTU_TTYPE_OBX_SVR_SESS_TO   53


 #define BTU_TTYPE_HSP2_SDP_FAIL_TO  55
 #define BTU_TTYPE_HSP2_SDP_RTRY_TO  56

 /* BTU internal */
 /* unused                           60 */

 #define BTU_TTYPE_AVDT_CCB_RET      61
 #define BTU_TTYPE_AVDT_CCB_RSP      62
 #define BTU_TTYPE_AVDT_CCB_IDLE     63
 #define BTU_TTYPE_AVDT_SCB_TC       64

 #define BTU_TTYPE_HID_DEV_REPAGE_TO 65
 #define BTU_TTYPE_HID_HOST_REPAGE_TO 66

 #define BTU_TTYPE_HSP2_DELAY_CKPD_RCV 67

 #define BTU_TTYPE_SAP_TO            68

 /* BPP Timer */
 #define BTU_TTYPE_BPP_REF_CHNL     72

 /* LP HC idle Timer */
 #define BTU_TTYPE_LP_HC_IDLE_TO 74

 /* Patch RAM Timer */
 #define BTU_TTYPE_PATCHRAM_TO 75

 /* eL2CAP Info Request and other proto cmds timer */
 #define BTU_TTYPE_L2CAP_FCR_ACK     78
 #define BTU_TTYPE_L2CAP_INFO        79

 /* BTU internal for BR/EDR and AMP HCI command timeout (reserve up to 3 AMP controller) */
 #define BTU_TTYPE_BTU_CMD_CMPL                      80
 #define BTU_TTYPE_BTU_AMP1_CMD_CMPL                 81
 #define BTU_TTYPE_BTU_AMP2_CMD_CMPL                 82
 #define BTU_TTYPE_BTU_AMP3_CMD_CMPL                 83

 #define BTU_TTYPE_MCA_CCB_RSP                       98

 /* BTU internal timer for BLE activity */
 #define BTU_TTYPE_BLE_INQUIRY                       99
 #define BTU_TTYPE_BLE_GAP_LIM_DISC                  100
 #define BTU_TTYPE_ATT_WAIT_FOR_RSP                  101
 #define BTU_TTYPE_SMP_PAIRING_CMD                   102
 #define BTU_TTYPE_BLE_RANDOM_ADDR                   103
 #define BTU_TTYPE_ATT_WAIT_FOR_APP_RSP              104
 #define BTU_TTYPE_ATT_WAIT_FOR_IND_ACK              105
 #define BTU_TTYPE_BLE_SCAN_PARAM_IDLE               106

 /* Define the BTU_TASK APPL events
 */
 #if (defined(NFC_SHARED_TRANSPORT_ENABLED) && (NFC_SHARED_TRANSPORT_ENABLED==TRUE))
 #define BTU_NFC_AVAILABLE_EVT   EVENT_MASK(APPL_EVT_0)  /* Notifies BTU task that NFC is available (used for shared NFC+BT transport) */
 #endif

 /* This is the inquiry response information held by BTU, and available
 ** to applications.
 */
 typedef struct
 {
     BD_ADDR     remote_bd_addr;
     UINT8       page_scan_rep_mode;
     UINT8       page_scan_per_mode;
     UINT8       page_scan_mode;
     DEV_CLASS   dev_class;
     UINT16      clock_offset;
 } tBTU_INQ_INFO;


 #define BTU_MAX_REG_TIMER     (2)   /* max # timer callbacks which may register */
 #define BTU_MAX_REG_EVENT     (6)   /* max # event callbacks which may register */
 #define BTU_DEFAULT_DATA_SIZE (0x2a0)

 #if (BLE_INCLUDED == TRUE)
 #define BTU_DEFAULT_BLE_DATA_SIZE   (27)
 #endif

 /* structure to hold registered timers */
 typedef struct
 {
     TIMER_LIST_ENT          *p_tle;      /* timer entry */
     tBTU_TIMER_CALLBACK     timer_cb;    /* callback triggered when timer expires */
 } tBTU_TIMER_REG;

 /* structure to hold registered event callbacks */
 typedef struct
 {
     UINT16                  event_range;  /* start of event range */
     tBTU_EVENT_CALLBACK     event_cb;     /* callback triggered when event is in range */
 } tBTU_EVENT_REG;

 #define NFC_MAX_LOCAL_CTRLS     0

 /* the index to BTU command queue array */
 #define NFC_CONTROLLER_ID       (1)
 #define BTU_MAX_LOCAL_CTRLS     (1 + NFC_MAX_LOCAL_CTRLS) /* only BR/EDR */

 /* AMP HCI control block */
 typedef struct
 {
     BUFFER_Q         cmd_xmit_q;
     BUFFER_Q         cmd_cmpl_q;
     UINT16           cmd_window;
     TIMER_LIST_ENT   cmd_cmpl_timer;        /* Command complete timer */
 #if (defined(BTU_CMD_CMPL_TOUT_DOUBLE_CHECK) && BTU_CMD_CMPL_TOUT_DOUBLE_CHECK == TRUE)
     BOOLEAN          checked_hcisu;
 #endif
 } tHCI_CMD_CB;

 /* Define structure holding BTU variables
 */
 typedef struct
 {
     tBTU_TIMER_REG   timer_reg[BTU_MAX_REG_TIMER];
     tBTU_EVENT_REG   event_reg[BTU_MAX_REG_EVENT];

     TIMER_LIST_Q  quick_timer_queue;        /* Timer queue for transport level (100/10 msec)*/
     TIMER_LIST_Q  timer_queue;              /* Timer queue for normal BTU task (1 second)   */

     TIMER_LIST_ENT   cmd_cmpl_timer;        /* Command complete timer */

     UINT16    hcit_acl_data_size;           /* Max ACL data size across HCI transport    */
     UINT16    hcit_acl_pkt_size;            /* Max ACL packet size across HCI transport  */
                                             /* (this is data size plus 4 bytes overhead) */

 #if BLE_INCLUDED == TRUE
     UINT16    hcit_ble_acl_data_size;           /* Max BLE ACL data size across HCI transport    */
     UINT16    hcit_ble_acl_pkt_size;            /* Max BLE ACL packet size across HCI transport  */
                                             /* (this is data size plus 4 bytes overhead) */
 #endif

     BOOLEAN     reset_complete;             /* TRUE after first ack from device received */
     UINT8       trace_level;                /* Trace level for HCI layer */

     tHCI_CMD_CB hci_cmd_cb[BTU_MAX_LOCAL_CTRLS]; /* including BR/EDR */
 } tBTU_CB;

 #ifdef __cplusplus
 extern "C" {
 #endif

 /* Global BTU data */
 #if BTU_DYNAMIC_MEMORY == FALSE
 BTU_API extern tBTU_CB  btu_cb;
 #else
 BTU_API extern tBTU_CB *btu_cb_ptr;
 #define btu_cb (*btu_cb_ptr)
 #endif

 BTU_API extern const BD_ADDR        BT_BD_ANY;

 /* Functions provided by btu_task.c
 ************************************
 */
 BTU_API extern void btu_start_timer (TIMER_LIST_ENT *p_tle, UINT16 type, UINT32 timeout);
 BTU_API extern void btu_stop_timer (TIMER_LIST_ENT *p_tle);
 BTU_API extern void btu_register_timer (TIMER_LIST_ENT *p_tle, UINT16 type, UINT32 timeout, tBTU_TIMER_CALLBACK timer_cb);
 BTU_API extern void btu_deregister_timer(TIMER_LIST_ENT *p_tle);
 BTU_API extern UINT32 btu_remaining_time (TIMER_LIST_ENT *p_tle);


 BTU_API extern void btu_register_event_range (UINT16 range, tBTU_EVENT_CALLBACK event_cb);
 BTU_API extern void btu_deregister_event_range (UINT16 range);
 BTU_API extern void btu_uipc_rx_cback(BT_HDR *p_msg);

 BTU_API extern void btu_hcif_flush_cmd_queue(void);
 /*
 ** Quick Timer
 */
 #if defined(QUICK_TIMER_TICKS_PER_SEC) && (QUICK_TIMER_TICKS_PER_SEC > 0)
 #define QUICK_TIMER_TICKS (GKI_SECS_TO_TICKS (1)/QUICK_TIMER_TICKS_PER_SEC)
 BTU_API extern void btu_start_quick_timer (TIMER_LIST_ENT *p_tle, UINT16 type, UINT32 timeout);
 BTU_API extern void btu_stop_quick_timer (TIMER_LIST_ENT *p_tle);
 BTU_API extern void btu_process_quick_timer_evt (void);
 BTU_API extern void process_quick_timer_evt (TIMER_LIST_Q *p_tlq);
 #endif

 #if (defined(HCILP_INCLUDED) && HCILP_INCLUDED == TRUE)
 BTU_API extern void btu_check_bt_sleep (void);
 #endif

 /* Functions provided by btu_hcif.c
 ************************************
 */
 BTU_API extern void  btu_hcif_process_event (UINT8 controller_id, BT_HDR *p_buf);
 BTU_API extern void  btu_hcif_send_cmd (UINT8 controller_id, BT_HDR *p_msg);
 BTU_API extern void  btu_hcif_send_host_rdy_for_data(void);
 BTU_API extern void  btu_hcif_cmd_timeout (UINT8 controller_id);

 /* Functions provided by btu_core.c
 ************************************
 */
 BTU_API extern void  btu_init_core(void);
 BTU_API extern void  BTE_Init(void);
 BTU_API extern UINT16 BTU_AclPktSize(void);
 BTU_API extern UINT16 BTU_BleAclPktSize(void);

 #ifdef __cplusplus
 }
 #endif

 #endif
	/******************************************************************************
	*
	* Copyright (C) 1999-2012 Broadcom Corporation
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at:
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*
	******************************************************************************/

	/******************************************************************************
	*
	* this file contains the main Bluetooth Upper Layer definitions. The Broadcom
	* implementations of L2CAP RFCOMM, SDP and the BTIf run as one GKI task. The
	* btu_task switches between them.
	*
	******************************************************************************/

	#ifndef BTU_H
	#define BTU_H

	#include "bt_target.h"
	#include "gki.h"

	/* Define the BTU mailbox usage
	*/
	#define BTU_HCI_RCV_MBOX TASK_MBOX_0 /* Messages from HCI */
	#define BTU_BTIF_MBOX TASK_MBOX_1 /* Messages to BTIF */

	/* callbacks
	*/
	typedef void (tBTU_TIMER_CALLBACK)(TIMER_LIST_ENT p_tle);
	typedef void (tBTU_EVENT_CALLBACK)(BT_HDR p_hdr);


	/* Define the timer types maintained by BTU
	*/
	#define BTU_TTYPE_BTM_DEV_CTL 1
	#define BTU_TTYPE_L2CAP_LINK 2
	#define BTU_TTYPE_L2CAP_CHNL 3
	#define BTU_TTYPE_L2CAP_HOLD 4
	#define BTU_TTYPE_SDP 5
	#define BTU_TTYPE_BTM_SCO 6
	#define BTU_TTYPE_BTM_ACL 9
	#define BTU_TTYPE_BTM_RMT_NAME 10
	#define BTU_TTYPE_RFCOMM_MFC 11
	#define BTU_TTYPE_RFCOMM_PORT 12
	#define BTU_TTYPE_TCS_L2CAP 13
	#define BTU_TTYPE_TCS_CALL 14
	#define BTU_TTYPE_TCS_WUG 15
	#define BTU_TTYPE_AUTO_SYNC 16
	#define BTU_TTYPE_CTP_RECON 17
	#define BTU_TTYPE_CTP_T100 18
	#define BTU_TTYPE_CTP_GUARD 19
	#define BTU_TTYPE_CTP_DETACH 20

	#define BTU_TTYPE_SPP_CONN_RETRY 21
	#define BTU_TTYPE_USER_FUNC 22

	#define BTU_TTYPE_FTP_DISC 25
	#define BTU_TTYPE_OPP_DISC 26

	#define BTU_TTYPE_CTP_TL_DISCVY 28
	#define BTU_TTYPE_IPFRAG_TIMER 29
	#define BTU_TTYPE_HSP2_AT_CMD_TO 30
	#define BTU_TTYPE_HSP2_REPEAT_RING 31

	#define BTU_TTYPE_CTP_GW_INIT 32
	#define BTU_TTYPE_CTP_GW_CONN 33
	#define BTU_TTYPE_CTP_GW_IDLE 35

	#define BTU_TTYPE_ICP_L2CAP 36
	#define BTU_TTYPE_ICP_T100 37

	#define BTU_TTYPE_HSP2_WAIT_OK 38

	/* HCRP Timers */
	#define BTU_TTYPE_HCRP_NOTIF_REG 39
	#define BTU_TTYPE_HCRP_PROTO_RSP 40
	#define BTU_TTYPE_HCRP_CR_GRANT 41
	#define BTU_TTYPE_HCRP_CR_CHECK 42
	#define BTU_TTYPE_HCRP_W4_CLOSE 43

	/* HCRPM Timers */
	#define BTU_TTYPE_HCRPM_NOTIF_REG 44
	#define BTU_TTYPE_HCRPM_NOTIF_KEEP 45
	#define BTU_TTYPE_HCRPM_API_RSP 46
	#define BTU_TTYPE_HCRPM_W4_OPEN 47
	#define BTU_TTYPE_HCRPM_W4_CLOSE 48

	/* BNEP Timers */
	#define BTU_TTYPE_BNEP 50

	/* OBX */
	#define BTU_TTYPE_OBX_CLIENT_TO 51
	#define BTU_TTYPE_OBX_SERVER_TO 52
	#define BTU_TTYPE_OBX_SVR_SESS_TO 53


	#define BTU_TTYPE_HSP2_SDP_FAIL_TO 55
	#define BTU_TTYPE_HSP2_SDP_RTRY_TO 56

	/* BTU internal */
	/* unused 60 */

	#define BTU_TTYPE_AVDT_CCB_RET 61
	#define BTU_TTYPE_AVDT_CCB_RSP 62
	#define BTU_TTYPE_AVDT_CCB_IDLE 63
	#define BTU_TTYPE_AVDT_SCB_TC 64

	#define BTU_TTYPE_HID_DEV_REPAGE_TO 65
	#define BTU_TTYPE_HID_HOST_REPAGE_TO 66

	#define BTU_TTYPE_HSP2_DELAY_CKPD_RCV 67

	#define BTU_TTYPE_SAP_TO 68

	/* BPP Timer */
	#define BTU_TTYPE_BPP_REF_CHNL 72

	/* LP HC idle Timer */
	#define BTU_TTYPE_LP_HC_IDLE_TO 74

	/* Patch RAM Timer */
	#define BTU_TTYPE_PATCHRAM_TO 75

	/* eL2CAP Info Request and other proto cmds timer */
	#define BTU_TTYPE_L2CAP_FCR_ACK 78
	#define BTU_TTYPE_L2CAP_INFO 79

	/* BTU internal for BR/EDR and AMP HCI command timeout (reserve up to 3 AMP controller) */
	#define BTU_TTYPE_BTU_CMD_CMPL 80
	#define BTU_TTYPE_BTU_AMP1_CMD_CMPL 81
	#define BTU_TTYPE_BTU_AMP2_CMD_CMPL 82
	#define BTU_TTYPE_BTU_AMP3_CMD_CMPL 83

	#define BTU_TTYPE_MCA_CCB_RSP 98

	/* BTU internal timer for BLE activity */
	#define BTU_TTYPE_BLE_INQUIRY 99
	#define BTU_TTYPE_BLE_GAP_LIM_DISC 100
	#define BTU_TTYPE_ATT_WAIT_FOR_RSP 101
	#define BTU_TTYPE_SMP_PAIRING_CMD 102
	#define BTU_TTYPE_BLE_RANDOM_ADDR 103
	#define BTU_TTYPE_ATT_WAIT_FOR_APP_RSP 104
	#define BTU_TTYPE_ATT_WAIT_FOR_IND_ACK 105
	#define BTU_TTYPE_BLE_SCAN_PARAM_IDLE 106

	/* Define the BTU_TASK APPL events
	*/
	#if (defined(NFC_SHARED_TRANSPORT_ENABLED) && (NFC_SHARED_TRANSPORT_ENABLED==TRUE))
	#define BTU_NFC_AVAILABLE_EVT EVENT_MASK(APPL_EVT_0) /* Notifies BTU task that NFC is available (used for shared NFC+BT transport) */
	#endif

	/* This is the inquiry response information held by BTU, and available
	** to applications.
	*/
	typedef struct
	{
	BD_ADDR remote_bd_addr;
	UINT8 page_scan_rep_mode;
	UINT8 page_scan_per_mode;
	UINT8 page_scan_mode;
	DEV_CLASS dev_class;
	UINT16 clock_offset;
	} tBTU_INQ_INFO;



	#define BTU_MAX_REG_TIMER (2) /* max # timer callbacks which may register */
	#define BTU_MAX_REG_EVENT (6) /* max # event callbacks which may register */
	#define BTU_DEFAULT_DATA_SIZE (0x2a0)

	#if (BLE_INCLUDED == TRUE)
	#define BTU_DEFAULT_BLE_DATA_SIZE (27)
	#endif

	/* structure to hold registered timers */
	typedef struct
	{
	TIMER_LIST_ENT p_tle; / timer entry */
	tBTU_TIMER_CALLBACK timer_cb; /* callback triggered when timer expires */
	} tBTU_TIMER_REG;

	/* structure to hold registered event callbacks */
	typedef struct
	{
	UINT16 event_range; /* start of event range */
	tBTU_EVENT_CALLBACK event_cb; /* callback triggered when event is in range */
	} tBTU_EVENT_REG;

	#define NFC_MAX_LOCAL_CTRLS 0

	/* the index to BTU command queue array */
	#define NFC_CONTROLLER_ID (1)
	#define BTU_MAX_LOCAL_CTRLS (1 + NFC_MAX_LOCAL_CTRLS) /* only BR/EDR */

	/* AMP HCI control block */
	typedef struct
	{
	BUFFER_Q cmd_xmit_q;
	BUFFER_Q cmd_cmpl_q;
	UINT16 cmd_window;
	TIMER_LIST_ENT cmd_cmpl_timer; /* Command complete timer */
	#if (defined(BTU_CMD_CMPL_TOUT_DOUBLE_CHECK) && BTU_CMD_CMPL_TOUT_DOUBLE_CHECK == TRUE)
	BOOLEAN checked_hcisu;
	#endif
	} tHCI_CMD_CB;

	/* Define structure holding BTU variables
	*/
	typedef struct
	{
	tBTU_TIMER_REG timer_reg[BTU_MAX_REG_TIMER];
	tBTU_EVENT_REG event_reg[BTU_MAX_REG_EVENT];

	TIMER_LIST_Q quick_timer_queue; /* Timer queue for transport level (100/10 msec)*/
	TIMER_LIST_Q timer_queue; /* Timer queue for normal BTU task (1 second) */

	TIMER_LIST_ENT cmd_cmpl_timer; /* Command complete timer */

	UINT16 hcit_acl_data_size; /* Max ACL data size across HCI transport */
	UINT16 hcit_acl_pkt_size; /* Max ACL packet size across HCI transport */
	/* (this is data size plus 4 bytes overhead) */

	#if BLE_INCLUDED == TRUE
	UINT16 hcit_ble_acl_data_size; /* Max BLE ACL data size across HCI transport */
	UINT16 hcit_ble_acl_pkt_size; /* Max BLE ACL packet size across HCI transport */
	/* (this is data size plus 4 bytes overhead) */
	#endif

	BOOLEAN reset_complete; /* TRUE after first ack from device received */
	UINT8 trace_level; /* Trace level for HCI layer */

	tHCI_CMD_CB hci_cmd_cb[BTU_MAX_LOCAL_CTRLS]; /* including BR/EDR */
	} tBTU_CB;

	#ifdef __cplusplus
	extern "C" {
	#endif

	/* Global BTU data */
	#if BTU_DYNAMIC_MEMORY == FALSE
	BTU_API extern tBTU_CB btu_cb;
	#else
	BTU_API extern tBTU_CB *btu_cb_ptr;
	#define btu_cb (*btu_cb_ptr)
	#endif

	BTU_API extern const BD_ADDR BT_BD_ANY;

	/* Functions provided by btu_task.c
	************************************
	*/
	BTU_API extern void btu_start_timer (TIMER_LIST_ENT *p_tle, UINT16 type, UINT32 timeout);
	BTU_API extern void btu_stop_timer (TIMER_LIST_ENT *p_tle);
	BTU_API extern void btu_register_timer (TIMER_LIST_ENT *p_tle, UINT16 type, UINT32 timeout, tBTU_TIMER_CALLBACK timer_cb);
	BTU_API extern void btu_deregister_timer(TIMER_LIST_ENT *p_tle);
	BTU_API extern UINT32 btu_remaining_time (TIMER_LIST_ENT *p_tle);


	BTU_API extern void btu_register_event_range (UINT16 range, tBTU_EVENT_CALLBACK event_cb);
	BTU_API extern void btu_deregister_event_range (UINT16 range);
	BTU_API extern void btu_uipc_rx_cback(BT_HDR *p_msg);

	BTU_API extern void btu_hcif_flush_cmd_queue(void);
	/*
	** Quick Timer
	*/
	#if defined(QUICK_TIMER_TICKS_PER_SEC) && (QUICK_TIMER_TICKS_PER_SEC > 0)
	#define QUICK_TIMER_TICKS (GKI_SECS_TO_TICKS (1)/QUICK_TIMER_TICKS_PER_SEC)
	BTU_API extern void btu_start_quick_timer (TIMER_LIST_ENT *p_tle, UINT16 type, UINT32 timeout);
	BTU_API extern void btu_stop_quick_timer (TIMER_LIST_ENT *p_tle);
	BTU_API extern void btu_process_quick_timer_evt (void);
	BTU_API extern void process_quick_timer_evt (TIMER_LIST_Q *p_tlq);
	#endif

	#if (defined(HCILP_INCLUDED) && HCILP_INCLUDED == TRUE)
	BTU_API extern void btu_check_bt_sleep (void);
	#endif

	/* Functions provided by btu_hcif.c
	************************************
	*/
	BTU_API extern void btu_hcif_process_event (UINT8 controller_id, BT_HDR *p_buf);
	BTU_API extern void btu_hcif_send_cmd (UINT8 controller_id, BT_HDR *p_msg);
	BTU_API extern void btu_hcif_send_host_rdy_for_data(void);
	BTU_API extern void btu_hcif_cmd_timeout (UINT8 controller_id);

	/* Functions provided by btu_core.c
	************************************
	*/
	BTU_API extern void btu_init_core(void);
	BTU_API extern void BTE_Init(void);
	BTU_API extern UINT16 BTU_AclPktSize(void);
	BTU_API extern UINT16 BTU_BleAclPktSize(void);

	#ifdef __cplusplus
	}
	#endif

	#endif