esp-idf/components/bt/host/bluedroid/bta/sys/include/bta_sys_int.h

/******************************************************************************
 *
 *  Copyright (C) 2003-2012 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 is the private interface file for the BTA system manager.
 *
 ******************************************************************************/
#ifndef BTA_SYS_INT_H
#define BTA_SYS_INT_H

/*****************************************************************************
**  Constants and data types
*****************************************************************************/

/*****************************************************************************
**  state table
*****************************************************************************/

/* SYS HW state */
enum {
    BTA_SYS_HW_OFF,
    BTA_SYS_HW_STARTING,
    BTA_SYS_HW_ON,
    BTA_SYS_HW_STOPPING
};
typedef UINT8 tBTA_SYS_HW_STATE;

/* Collision callback */
#define MAX_COLLISION_REG   5

typedef struct {
    UINT8                   id[MAX_COLLISION_REG];
    tBTA_SYS_CONN_CBACK     *p_coll_cback[MAX_COLLISION_REG];
} tBTA_SYS_COLLISION;

/* system manager control block */
typedef struct {
    tBTA_SYS_REG            *reg[BTA_ID_MAX];       /* registration structures */
    BOOLEAN                 is_reg[BTA_ID_MAX];     /* registration structures */
    tBTA_SYS_HW_STATE state;
    tBTA_SYS_HW_CBACK *sys_hw_cback[BTA_SYS_MAX_HW_MODULES];    /* enable callback for each HW modules */
    UINT32                  sys_hw_module_active;   /* bitmask of all active modules */
    UINT16                  sys_features;           /* Bitmask of sys features */

    tBTA_SYS_CONN_CBACK     *prm_cb;                 /* role management callback registered by DM */
    tBTA_SYS_CONN_CBACK     *ppm_cb;                 /* low power management callback registered by DM */
    tBTA_SYS_CONN_CBACK     *p_policy_cb;            /* link policy change callback registered by DM */
    tBTA_SYS_CONN_CBACK     *p_sco_cb;               /* SCO connection change callback registered by AV */
    tBTA_SYS_CONN_CBACK     *p_role_cb;              /* role change callback registered by AV */
    tBTA_SYS_COLLISION      colli_reg;               /* collision handling module */
#if (BTA_EIR_CANNED_UUID_LIST != TRUE)
    tBTA_SYS_EIR_CBACK      *eir_cb;                /* add/remove UUID into EIR */
#endif
#if (BTM_SSR_INCLUDED == TRUE)
    tBTA_SYS_SSR_CFG_CBACK      *p_ssr_cb;
#endif
    /* VS event handler */
    tBTA_SYS_VS_EVT_HDLR   *p_vs_evt_hdlr;

} tBTA_SYS_CB;

/*****************************************************************************
**  Global variables
*****************************************************************************/

/* system manager control block */
#if BTA_DYNAMIC_MEMORY == FALSE
extern tBTA_SYS_CB bta_sys_cb;
#else
extern tBTA_SYS_CB *bta_sys_cb_ptr;
#define bta_sys_cb (*bta_sys_cb_ptr)
#endif

/* functions used for BTA SYS HW state machine */
void bta_sys_hw_btm_cback( tBTM_DEV_STATUS status );
void bta_sys_hw_error(tBTA_SYS_HW_MSG *p_sys_hw_msg);
void bta_sys_hw_api_enable( tBTA_SYS_HW_MSG *p_sys_hw_msg );
void bta_sys_hw_api_disable(tBTA_SYS_HW_MSG *p_sys_hw_msg);
void bta_sys_hw_evt_enabled(tBTA_SYS_HW_MSG *p_sys_hw_msg);
void bta_sys_hw_evt_disabled(tBTA_SYS_HW_MSG *p_sys_hw_msg);
void bta_sys_hw_evt_stack_enabled(tBTA_SYS_HW_MSG *p_sys_hw_msg);

BOOLEAN bta_sys_sm_execute(BT_HDR *p_msg);

#endif /* BTA_SYS_INT_H */