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/******************************************************************************
*
* Copyright (C) 2008-2014 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 functions for BLE GAP.
*
******************************************************************************/
#include <string.h>
#include <stdio.h>
#include <stddef.h>
#include "bt_types.h"
#include "bt_utils.h"
#include "btu.h"
#include "btm_int.h"
#include "hcimsgs.h"
#if (GAP_INCLUDED == TRUE)
#include "gap_api.h"
#endif
#if BLE_INCLUDED == TRUE
#include "l2c_int.h"
#include "vendor_ble.h"
#include "gattdefs.h"
#include "gatt_int.h"
#include "btm_ble_int.h"
#define BTM_BLE_NAME_SHORT 0x01
#define BTM_BLE_NAME_CMPL 0x02
#define BTM_BLE_FILTER_TARGET_UNKNOWN 0xff
#define BTM_BLE_POLICY_UNKNOWN 0xff
#define BTM_EXT_BLE_RMT_NAME_TIMEOUT 30
#define MIN_ADV_LENGTH 2
static tBTM_BLE_VSC_CB cmn_ble_vsc_cb;
static tBTM_BLE_CTRL_FEATURES_CBACK *p_ctrl_le_feature_rd_cmpl_cback = NULL;
/*******************************************************************************
** Local functions
*******************************************************************************/
static void btm_ble_update_adv_flag(UINT8 flag);
static void btm_ble_process_adv_pkt_cont(BD_ADDR bda, UINT8 addr_type, UINT8 evt_type, UINT8 *p);
UINT8 *btm_ble_build_adv_data(tBTM_BLE_AD_MASK *p_data_mask, UINT8 **p_dst,
tBTM_BLE_ADV_DATA *p_data);
static UINT8 btm_set_conn_mode_adv_init_addr(tBTM_BLE_INQ_CB *p_cb,
BD_ADDR_PTR p_addr_ptr,
tBLE_ADDR_TYPE *p_init_addr_type,
tBLE_ADDR_TYPE *p_own_addr_type);
static void btm_ble_stop_observe(void);
#define BTM_BLE_INQ_RESULT 0x01
#define BTM_BLE_OBS_RESULT 0x02
#define BTM_BLE_SEL_CONN_RESULT 0x04
/* LE states combo bit to check */
const UINT8 btm_le_state_combo_tbl[BTM_BLE_STATE_MAX][BTM_BLE_STATE_MAX][2] =
{
{/* single state support */
{HCI_SUPP_LE_STATES_CONN_ADV_MASK, HCI_SUPP_LE_STATES_CONN_ADV_OFF}, /* conn_adv */
{HCI_SUPP_LE_STATES_INIT_MASK, HCI_SUPP_LE_STATES_INIT_OFF}, /* init */
{HCI_SUPP_LE_STATES_INIT_MASK, HCI_SUPP_LE_STATES_INIT_OFF}, /* master */
{HCI_SUPP_LE_STATES_SLAVE_MASK, HCI_SUPP_LE_STATES_SLAVE_OFF}, /* slave */
{0, 0}, /* todo: lo du dir adv, not covered ? */
{HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_OFF}, /* hi duty dir adv */
{HCI_SUPP_LE_STATES_NON_CONN_ADV_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_OFF}, /* non connectable adv */
{HCI_SUPP_LE_STATES_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_OFF}, /* passive scan */
{HCI_SUPP_LE_STATES_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_OFF}, /* active scan */
{HCI_SUPP_LE_STATES_SCAN_ADV_MASK, HCI_SUPP_LE_STATESSCAN_ADV_OFF} /* scanable adv */
},
{ /* conn_adv =0 */
{0, 0}, /* conn_adv */
{HCI_SUPP_LE_STATES_CONN_ADV_INIT_MASK, HCI_SUPP_LE_STATES_CONN_ADV_INIT_OFF}, /* init: 32 */
{HCI_SUPP_LE_STATES_CONN_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_CONN_ADV_MASTER_OFF}, /* master: 35 */
{HCI_SUPP_LE_STATES_CONN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_CONN_ADV_SLAVE_OFF}, /* slave: 38,*/
{0, 0}, /* lo du dir adv */
{0, 0}, /* hi duty dir adv */
{0, 0}, /* non connectable adv */
{HCI_SUPP_LE_STATES_CONN_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_CONN_ADV_PASS_SCAN_OFF}, /* passive scan */
{HCI_SUPP_LE_STATES_CONN_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_CONN_ADV_ACTIVE_SCAN_OFF}, /* active scan */
{0, 0} /* scanable adv */
},
{ /* init */
{HCI_SUPP_LE_STATES_CONN_ADV_INIT_MASK, HCI_SUPP_LE_STATES_CONN_ADV_INIT_OFF}, /* conn_adv: 32 */
{0, 0}, /* init */
{HCI_SUPP_LE_STATES_INIT_MASTER_MASK, HCI_SUPP_LE_STATES_INIT_MASTER_OFF}, /* master 28 */
{HCI_SUPP_LE_STATES_INIT_MASTER_SLAVE_MASK, HCI_SUPP_LE_STATES_INIT_MASTER_SLAVE_OFF}, /* slave 41 */
{HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_INIT_MASK, HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_INIT_OFF} ,/* lo du dir adv 34 */
{HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_INIT_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_INIT_OFF}, /* hi duty dir adv 33 */
{HCI_SUPP_LE_STATES_NON_CONN_INIT_MASK, HCI_SUPP_LE_STATES_NON_CONN_INIT_OFF}, /* non connectable adv */
{HCI_SUPP_LE_STATES_PASS_SCAN_INIT_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_INIT_OFF}, /* passive scan */
{HCI_SUPP_LE_STATES_ACTIVE_SCAN_INIT_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_INIT_OFF}, /* active scan */
{HCI_SUPP_LE_STATES_SCAN_ADV_INIT_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_INIT_OFF} /* scanable adv */
},
{ /* master */
{HCI_SUPP_LE_STATES_CONN_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_CONN_ADV_MASTER_OFF}, /* conn_adv: 35 */
{HCI_SUPP_LE_STATES_INIT_MASTER_MASK, HCI_SUPP_LE_STATES_INIT_MASTER_OFF}, /* init 28 */
{HCI_SUPP_LE_STATES_INIT_MASTER_MASK, HCI_SUPP_LE_STATES_INIT_MASTER_OFF}, /* master 28 */
{HCI_SUPP_LE_STATES_CONN_ADV_INIT_MASK, HCI_SUPP_LE_STATES_CONN_ADV_INIT_OFF}, /* slave: 32 */
{HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_MASTER_OFF}, /* lo duty cycle adv 37 */
{HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_MASTER_OFF}, /* hi duty cycle adv 36 */
{HCI_SUPP_LE_STATES_NON_CONN_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_MASTER_OFF}, /* non connectable adv */
{HCI_SUPP_LE_STATES_PASS_SCAN_MASTER_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_MASTER_OFF}, /* passive scan */
{HCI_SUPP_LE_STATES_ACTIVE_SCAN_MASTER_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_MASTER_OFF}, /* active scan */
{HCI_SUPP_LE_STATES_SCAN_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_MASTER_OFF} /* scanable adv */
},
{ /* slave */
{HCI_SUPP_LE_STATES_CONN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_CONN_ADV_SLAVE_OFF}, /* conn_adv: 38,*/
{HCI_SUPP_LE_STATES_INIT_MASTER_SLAVE_MASK, HCI_SUPP_LE_STATES_INIT_MASTER_SLAVE_OFF}, /* init 41 */
{HCI_SUPP_LE_STATES_INIT_MASTER_SLAVE_MASK, HCI_SUPP_LE_STATES_INIT_MASTER_SLAVE_OFF}, /* master 41 */
{HCI_SUPP_LE_STATES_CONN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_CONN_ADV_SLAVE_OFF}, /* slave: 38,*/
{HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_SLAVE_OFF}, /* lo duty cycle adv 40 */
{HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_SLAVE_OFF}, /* hi duty cycle adv 39 */
{HCI_SUPP_LE_STATES_NON_CONN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_SLAVE_OFF}, /* non connectable adv */
{HCI_SUPP_LE_STATES_PASS_SCAN_SLAVE_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_SLAVE_OFF}, /* passive scan */
{HCI_SUPP_LE_STATES_ACTIVE_SCAN_SLAVE_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_SLAVE_OFF}, /* active scan */
{HCI_SUPP_LE_STATES_SCAN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_SLAVE_OFF} /* scanable adv */
},
{ /* lo duty cycle adv */
{0, 0}, /* conn_adv: 38,*/
{HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_INIT_MASK, HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_INIT_OFF} ,/* init 34 */
{HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_MASTER_OFF}, /* master 37 */
{HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_SLAVE_OFF}, /* slave: 40 */
{0, 0}, /* lo duty cycle adv 40 */
{0, 0}, /* hi duty cycle adv 39 */
{0, 0}, /* non connectable adv */
{0, 0}, /* TODO: passive scan, not covered? */
{0, 0}, /* TODO: active scan, not covered? */
{0, 0} /* scanable adv */
},
{ /* hi duty cycle adv */
{0, 0}, /* conn_adv: 38,*/
{HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_INIT_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_INIT_OFF}, /* init 33 */
{HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_MASTER_OFF}, /* master 36 */
{HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_SLAVE_OFF}, /* slave: 39*/
{0, 0}, /* lo duty cycle adv 40 */
{0, 0}, /* hi duty cycle adv 39 */
{0, 0}, /* non connectable adv */
{HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_PASS_SCAN_OFF}, /* passive scan */
{HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_ACTIVE_SCAN_OFF}, /* active scan */
{0, 0} /* scanable adv */
},
{ /* non connectable adv */
{0, 0}, /* conn_adv: */
{HCI_SUPP_LE_STATES_NON_CONN_INIT_MASK, HCI_SUPP_LE_STATES_NON_CONN_INIT_OFF}, /* init */
{HCI_SUPP_LE_STATES_NON_CONN_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_MASTER_OFF}, /* master */
{HCI_SUPP_LE_STATES_NON_CONN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_SLAVE_OFF}, /* slave: */
{0, 0}, /* lo duty cycle adv */
{0, 0}, /* hi duty cycle adv */
{0, 0}, /* non connectable adv */
{HCI_SUPP_LE_STATES_NON_CONN_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_PASS_SCAN_OFF}, /* passive scan */
{HCI_SUPP_LE_STATES_NON_CONN_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_ACTIVE_SCAN_OFF}, /* active scan */
{0, 0} /* scanable adv */
},
{ /* passive scan */
{HCI_SUPP_LE_STATES_CONN_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_CONN_ADV_PASS_SCAN_OFF}, /* conn_adv: */
{HCI_SUPP_LE_STATES_PASS_SCAN_INIT_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_INIT_OFF}, /* init */
{HCI_SUPP_LE_STATES_PASS_SCAN_MASTER_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_MASTER_OFF}, /* master */
{HCI_SUPP_LE_STATES_PASS_SCAN_SLAVE_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_SLAVE_OFF}, /* slave: */
{0, 0}, /* lo duty cycle adv */
{HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_PASS_SCAN_OFF}, /* hi duty cycle adv */
{HCI_SUPP_LE_STATES_NON_CONN_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_PASS_SCAN_OFF}, /* non connectable adv */
{0, 0}, /* passive scan */
{0, 0}, /* active scan */
{HCI_SUPP_LE_STATES_SCAN_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_PASS_SCAN_OFF} /* scanable adv */
},
{ /* active scan */
{HCI_SUPP_LE_STATES_CONN_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_CONN_ADV_ACTIVE_SCAN_OFF}, /* conn_adv: */
{HCI_SUPP_LE_STATES_ACTIVE_SCAN_INIT_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_INIT_OFF}, /* init */
{HCI_SUPP_LE_STATES_ACTIVE_SCAN_MASTER_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_MASTER_OFF}, /* master */
{HCI_SUPP_LE_STATES_ACTIVE_SCAN_SLAVE_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_SLAVE_OFF}, /* slave: */
{0, 0}, /* lo duty cycle adv */
{HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_ACTIVE_SCAN_OFF}, /* hi duty cycle adv */
{HCI_SUPP_LE_STATES_NON_CONN_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_ACTIVE_SCAN_OFF}, /* non connectable adv */
{0, 0}, /* TODO: passive scan */
{0, 0}, /* TODO: active scan */
{HCI_SUPP_LE_STATES_SCAN_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_ACTIVE_SCAN_OFF} /* scanable adv */
},
{ /* scanable adv */
{0, 0}, /* conn_adv: */
{HCI_SUPP_LE_STATES_SCAN_ADV_INIT_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_INIT_OFF}, /* init */
{HCI_SUPP_LE_STATES_SCAN_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_MASTER_OFF}, /* master */
{HCI_SUPP_LE_STATES_SCAN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_SLAVE_OFF}, /* slave: */
{0, 0}, /* lo duty cycle adv */
{0, 0}, /* hi duty cycle adv */
{0, 0}, /* non connectable adv */
{HCI_SUPP_LE_STATES_SCAN_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_PASS_SCAN_OFF}, /* passive scan */
{HCI_SUPP_LE_STATES_SCAN_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_ACTIVE_SCAN_OFF}, /* active scan */
{0, 0} /* scanable adv */
}
};
/* check LE combo state supported */
#define BTM_LE_STATES_SUPPORTED(x, y, z) ((x)[(z)] & (y))
/*******************************************************************************
**
** Function BTM_BleUpdateAdvWhitelist
**
** Description Add or remove device from advertising white list
**
** Returns void
**
*******************************************************************************/
BOOLEAN BTM_BleUpdateAdvWhitelist(BOOLEAN add_remove, BD_ADDR remote_bda)
{
UNUSED(add_remove);
UNUSED(remote_bda);
return FALSE;
}
/*******************************************************************************
**
** Function BTM_BleUpdateAdvFilterPolicy
**
** Description This function update the filter policy of advertiser.
**
** Parameter adv_policy: advertising filter policy
**
** Return void
*******************************************************************************/
void BTM_BleUpdateAdvFilterPolicy(tBTM_BLE_AFP adv_policy)
{
tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
tBLE_ADDR_TYPE init_addr_type = BLE_ADDR_PUBLIC;
BD_ADDR p_addr_ptr= {0};
UINT8 adv_mode = p_cb->adv_mode;
BTM_TRACE_EVENT ("BTM_BleUpdateAdvFilterPolicy");
if (!HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1]))
return;
if (p_cb->afp != adv_policy)
{
p_cb->afp = adv_policy;
/* if adv active, stop and restart */
btm_ble_stop_adv ();
if (p_cb->connectable_mode & BTM_BLE_CONNECTABLE)
p_cb->evt_type = btm_set_conn_mode_adv_init_addr(p_cb, p_addr_ptr, &init_addr_type,
&p_cb->adv_addr_type);
btsnd_hcic_ble_write_adv_params ((UINT16)(p_cb->adv_interval_min ? p_cb->adv_interval_min :
BTM_BLE_GAP_ADV_SLOW_INT),
(UINT16)(p_cb->adv_interval_max ? p_cb->adv_interval_max :
BTM_BLE_GAP_ADV_SLOW_INT),
p_cb->evt_type,
p_cb->adv_addr_type,
init_addr_type,
p_addr_ptr,
p_cb->adv_chnl_map,
p_cb->afp);
if (adv_mode == BTM_BLE_ADV_ENABLE)
btm_ble_start_adv ();
}
}
/*******************************************************************************
**
** Function BTM_BleObserve
**
** Description This procedure keep the device listening for advertising
** events from a broadcast device.
**
** Parameters start: start or stop observe.
** white_list: use white list in observer mode or not.
**
** Returns void
**
*******************************************************************************/
tBTM_STATUS BTM_BleObserve(BOOLEAN start, UINT8 duration,
tBTM_INQ_RESULTS_CB *p_results_cb, tBTM_CMPL_CB *p_cmpl_cb)
{
tBTM_BLE_INQ_CB *p_inq = &btm_cb.ble_ctr_cb.inq_var;
tBTM_STATUS status = BTM_WRONG_MODE;
BTM_TRACE_EVENT ("BTM_BleObserve : scan_type:%d",btm_cb.btm_inq_vars.scan_type);
if (!HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1]))
return BTM_ILLEGAL_VALUE;
if (start)
{
/* shared inquiry database, do not allow observe if any inquiry is active */
if (BTM_BLE_IS_OBS_ACTIVE(btm_cb.ble_ctr_cb.scan_activity))
{
BTM_TRACE_ERROR("Observe Already Active");
return status;
}
btm_cb.ble_ctr_cb.p_obs_results_cb = p_results_cb;
btm_cb.ble_ctr_cb.p_obs_cmpl_cb = p_cmpl_cb;
status = BTM_CMD_STARTED;
/* scan is not started */
if (!BTM_BLE_IS_SCAN_ACTIVE(btm_cb.ble_ctr_cb.scan_activity))
{
p_inq->scan_type = (p_inq->scan_type == BTM_BLE_SCAN_MODE_NONE) ? BTM_BLE_SCAN_MODE_ACTI: p_inq->scan_type;
/* allow config scanning type */
btsnd_hcic_ble_set_scan_params (p_inq->scan_type,
(UINT16)(!p_inq->scan_interval ? BTM_BLE_GAP_DISC_SCAN_INT : p_inq->scan_interval),
(UINT16)(!p_inq->scan_window ? BTM_BLE_GAP_DISC_SCAN_WIN : p_inq->scan_window),
btm_cb.ble_ctr_cb.addr_mgnt_cb.own_addr_type,
BTM_BLE_DEFAULT_SFP); /* assume observe always not using white list */
#if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
/* enable IRK list */
btm_ble_vendor_irk_list_known_dev (TRUE);
#endif
status = btm_ble_start_scan(BTM_BLE_DUPLICATE_DISABLE);
}
if (status == BTM_CMD_STARTED)
{
btm_cb.ble_ctr_cb.scan_activity |= BTM_LE_OBSERVE_ACTIVE;
if (duration != 0)
/* start observer timer */
btu_start_timer (&btm_cb.ble_ctr_cb.obs_timer_ent, BTU_TTYPE_BLE_OBSERVE, duration);
}
}
else if (BTM_BLE_IS_OBS_ACTIVE(btm_cb.ble_ctr_cb.scan_activity))
{
status = BTM_CMD_STARTED;
btm_ble_stop_observe();
}
else
{
BTM_TRACE_ERROR("Observe not active");
}
return status;
}
/*******************************************************************************
**
** Function BTM_BleBroadcast
**
** Description This function is to start or stop broadcasting.
**
** Parameters start: start or stop broadcasting.
**
** Returns status.
**
*******************************************************************************/
tBTM_STATUS BTM_BleBroadcast(BOOLEAN start)
{
tBTM_STATUS status = BTM_NO_RESOURCES;
tBTM_LE_RANDOM_CB *p_addr_cb = &btm_cb.ble_ctr_cb.addr_mgnt_cb;
tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
UINT8 evt_type = p_cb->scan_rsp ? BTM_BLE_DISCOVER_EVT: BTM_BLE_NON_CONNECT_EVT;
if (!HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1]))
return BTM_ILLEGAL_VALUE;
#ifdef BTM_BLE_PC_ADV_TEST_MODE
if (BTM_BLE_PC_ADV_TEST_MODE)
{
evt_type = p_cb->scan_rsp ? BTM_BLE_CONNECT_EVT: BTM_BLE_NON_CONNECT_EVT;
}
#endif
if (start && p_cb->adv_mode == BTM_BLE_ADV_DISABLE)
{
/* update adv params */
if (!btsnd_hcic_ble_write_adv_params ((UINT16)(p_cb->adv_interval_min ? p_cb->adv_interval_min :
BTM_BLE_GAP_ADV_INT),
(UINT16)(p_cb->adv_interval_max ? p_cb->adv_interval_max :
BTM_BLE_GAP_ADV_INT),
evt_type,
p_addr_cb->own_addr_type,
p_cb->direct_bda.type,
p_cb->direct_bda.bda,
p_cb->adv_chnl_map,
p_cb->afp))
status = BTM_NO_RESOURCES;
else
p_cb->evt_type = evt_type;
status = btm_ble_start_adv ();
}
else if (!start)
{
status = btm_ble_stop_adv();
}
else
{
status = BTM_WRONG_MODE;
BTM_TRACE_ERROR("Can not %s Broadcast, device %s in Broadcast mode",
(start ? "Start" : "Stop"), (start ? "already" :"not"));
}
return status;
}
/*******************************************************************************
**
** Function btm_vsc_brcm_features_complete
**
** Description Command Complete callback for HCI_BLE_VENDOR_CAP_OCF
**
** Returns void
**
*******************************************************************************/
static void btm_ble_vendor_capability_vsc_cmpl_cback (tBTM_VSC_CMPL *p_vcs_cplt_params)
{
#if BLE_VND_INCLUDED == TRUE
UINT8 status = 0xFF, *p;
BTM_TRACE_DEBUG("btm_ble_vendor_capability_vsc_cmpl_cback");
/* Check status of command complete event */
if ((p_vcs_cplt_params->opcode == HCI_BLE_VENDOR_CAP_OCF) &&(p_vcs_cplt_params->param_len > 0))
{
p = p_vcs_cplt_params->p_param_buf;
STREAM_TO_UINT8 (status, p);
}
if (status == HCI_SUCCESS)
{
STREAM_TO_UINT8 (btm_cb.cmn_ble_vsc_cb.adv_inst_max, p);
STREAM_TO_UINT8 (btm_cb.cmn_ble_vsc_cb.rpa_offloading, p);
STREAM_TO_UINT16 (btm_cb.cmn_ble_vsc_cb.tot_scan_results_strg, p);
STREAM_TO_UINT8 (btm_cb.cmn_ble_vsc_cb.max_irk_list_sz, p);
STREAM_TO_UINT8 (btm_cb.cmn_ble_vsc_cb.filter_support, p);
STREAM_TO_UINT8 (btm_cb.cmn_ble_vsc_cb.max_filter, p);
STREAM_TO_UINT8 (btm_cb.cmn_ble_vsc_cb.energy_support, p);
}
BTM_TRACE_DEBUG("btm_ble_vnd_cap_vsc_cmpl_cback: stat=%d, irk=%d, ADV ins:%d, rpa=%d, ener=%d",
status, btm_ble_vendor_cb.irk_avail_size, btm_cb.cmn_ble_vsc_cb.adv_inst_max,
btm_cb.cmn_ble_vsc_cb.rpa_offloading, btm_cb.cmn_ble_vsc_cb.energy_support);
if (BTM_BleMaxMultiAdvInstanceCount() > 0)
btm_ble_multi_adv_init();
if (btm_cb.cmn_ble_vsc_cb.max_filter > 0)
{
btm_ble_adv_filter_init();
btm_ble_vendor_init(btm_cb.cmn_ble_vsc_cb.max_irk_list_sz);
}
if (btm_cb.cmn_ble_vsc_cb.tot_scan_results_strg > 0)
btm_ble_batchscan_init();
if (p_ctrl_le_feature_rd_cmpl_cback != NULL)
p_ctrl_le_feature_rd_cmpl_cback(status);
#else
UNUSED(p_vcs_cplt_params);
#endif
}
/*******************************************************************************
**
** Function BTM_BleGetVendorCapabilities
**
** Description This function reads local LE features
**
** Parameters p_cmn_vsc_cb : Locala LE capability structure
**
** Returns void
**
*******************************************************************************/
BTM_API extern void BTM_BleGetVendorCapabilities(tBTM_BLE_VSC_CB *p_cmn_vsc_cb)
{
BTM_TRACE_DEBUG("BTM_BleGetVendorCapabilities");
if (NULL != p_cmn_vsc_cb)
{
*p_cmn_vsc_cb = btm_cb.cmn_ble_vsc_cb;
}
}
/******************************************************************************
**
** Function BTM_BleReadControllerFeatures
**
** Description Reads BLE specific controller features
**
** Parameters: tBTM_BLE_CTRL_FEATURES_CBACK : Callback to notify when features are read
**
** Returns void
**
*******************************************************************************/
BTM_API extern void BTM_BleReadControllerFeatures(tBTM_BLE_CTRL_FEATURES_CBACK *p_vsc_cback)
{
#if BLE_VND_INCLUDED == TRUE
BTM_TRACE_DEBUG("BTM_BleReadControllerFeatures");
p_ctrl_le_feature_rd_cmpl_cback = p_vsc_cback;
if ( BTM_VendorSpecificCommand (HCI_BLE_VENDOR_CAP_OCF,
0,
NULL,
btm_ble_vendor_capability_vsc_cmpl_cback)
!= BTM_CMD_STARTED)
{
BTM_TRACE_ERROR("LE Get_Vendor Capabilities Command Failed.");
}
#else
UNUSED(p_vsc_cback);
#endif
return ;
}
/*******************************************************************************
**
** Function BTM_RegisterScanReqEvt
**
** Description This function is called to register a scan request callback
** on the advertiser.
**
** Parameters p_scan_req_cback: scan request callback. If NULL, remove the
** registration.
**
** Returns void
**
*******************************************************************************/
void BTM_RegisterScanReqEvt(tBTM_BLE_SCAN_REQ_CBACK *p_scan_req_cback)
{
#ifdef BTM_BLE_PC_ADV_TEST_MODE /* For general stack code (e.g. BTInsight testing), we simply do not define it to exclude or set it to TRUE to include */
if (BTM_BLE_PC_ADV_TEST_MODE) /* For stack component, it is always defined and maps to a global variable g_bDraculaAdvertisingMode */
{
tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb;
p_cb->p_scan_req_cback = p_scan_req_cback;
}
#else
UNUSED(p_scan_req_cback);
#endif
}
/*******************************************************************************
**
** Function BTM_BleConfigPrivacy
**
** Description This function is called to enable or disable the privacy in
** LE channel of the local device.
**
** Parameters enable: TRUE to enable it; FALSE to disable it.
**
** Returns void
**
*******************************************************************************/
void BTM_BleConfigPrivacy(BOOLEAN enable)
{
tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb;
BTM_TRACE_EVENT (" BTM_BleConfigPrivacy");
if (p_cb->privacy != enable)
{
p_cb->privacy = enable;
if (p_cb->privacy)
{
/* generate resolvable private address */
btm_gen_resolvable_private_addr((void*)btm_gen_resolve_paddr_low);
}
else /* if privacy disabled, always use public address */
{
p_cb->addr_mgnt_cb.own_addr_type = BLE_ADDR_PUBLIC;
}
if (BTM_BleMaxMultiAdvInstanceCount() > 0)
btm_ble_multi_adv_enb_privacy(p_cb->privacy);
}
}
/*******************************************************************************
**
** Function BTM_BleMaxMultiAdvInstanceCount
**
** Description Returns max number of multi adv instances supported by controller
**
** Returns Max multi adv instance count
**
*******************************************************************************/
BTM_API extern UINT8 BTM_BleMaxMultiAdvInstanceCount()
{
return btm_cb.cmn_ble_vsc_cb.adv_inst_max;
}
#if BLE_PRIVACY_SPT == TRUE
/*******************************************************************************
**
** Function btm_ble_resolve_random_addr_on_adv
**
** Description resolve random address complete callback.
**
** Returns void
**
*******************************************************************************/
static void btm_ble_resolve_random_addr_on_adv(void * p_rec, void *p)
{
tBTM_SEC_DEV_REC *match_rec = (tBTM_SEC_DEV_REC *) p_rec;
UINT8 addr_type = BLE_ADDR_RANDOM;
BD_ADDR bda;
UINT8 *pp = (UINT8 *)p + 1;
UINT8 evt_type;
BTM_TRACE_EVENT ("btm_ble_resolve_random_addr_on_adv ");
STREAM_TO_UINT8 (evt_type, pp);
STREAM_TO_UINT8 (addr_type, pp);
STREAM_TO_BDADDR (bda, pp);
if (match_rec)
{
BTM_TRACE_ERROR("Random match");
match_rec->ble.active_addr_type = BTM_BLE_ADDR_RRA;
memcpy(match_rec->ble.cur_rand_addr, bda, BD_ADDR_LEN);
memcpy(bda, match_rec->bd_addr, BD_ADDR_LEN);
addr_type = match_rec->ble.ble_addr_type;
}
else
{
BTM_TRACE_ERROR("Random unmatch");
}
btm_ble_process_adv_pkt_cont(bda, addr_type, evt_type, pp);
return;
}
#endif
/*******************************************************************************
**
** Function BTM_BleLocalPrivacyEnabled
**
** Description Checks if local device supports private address
**
** Returns Return TRUE if local privacy is enabled else FALSE
**
*******************************************************************************/
BOOLEAN BTM_BleLocalPrivacyEnabled()
{
#if BLE_PRIVACY_SPT == TRUE
return btm_cb.ble_ctr_cb.privacy;
#else
return false;
#endif
}
/*******************************************************************************
**
** Function BTM_BleSetBgConnType
**
** Description This function is called to set BLE connectable mode for a
** peripheral device.
**
** Parameters bg_conn_type: it can be auto connection, or selective connection.
** p_select_cback: callback function when selective connection procedure
** is being used.
**
** Returns void
**
*******************************************************************************/
BOOLEAN BTM_BleSetBgConnType(tBTM_BLE_CONN_TYPE bg_conn_type,
tBTM_BLE_SEL_CBACK *p_select_cback)
{
BOOLEAN started = TRUE;
BTM_TRACE_EVENT ("BTM_BleSetBgConnType ");
if (!HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1]))
return FALSE;
if (btm_cb.ble_ctr_cb.bg_conn_type != bg_conn_type)
{
switch (bg_conn_type)
{
case BTM_BLE_CONN_AUTO:
btm_ble_start_auto_conn(TRUE);
break;
case BTM_BLE_CONN_SELECTIVE:
if (btm_cb.ble_ctr_cb.bg_conn_type == BTM_BLE_CONN_AUTO)
{
btm_ble_start_auto_conn(FALSE);
}
started = btm_ble_start_select_conn(TRUE, p_select_cback);
break;
case BTM_BLE_CONN_NONE:
if (btm_cb.ble_ctr_cb.bg_conn_type == BTM_BLE_CONN_AUTO)
{
btm_ble_start_auto_conn(FALSE);
}
else if (btm_cb.ble_ctr_cb.bg_conn_type == BTM_BLE_CONN_SELECTIVE)
{
btm_ble_start_select_conn(FALSE, NULL);
}
started = TRUE;
break;
default:
BTM_TRACE_ERROR("invalid bg connection type : %d ", bg_conn_type);
started = FALSE;
break;
}
if (started)
btm_cb.ble_ctr_cb.bg_conn_type = bg_conn_type;
}
return started;
}
/*******************************************************************************
**
** Function BTM_BleClearBgConnDev
**
** Description This function is called to clear the whitelist,
** end any pending whitelist connections,
* and reset the local bg device list.
**
** Parameters void
**
** Returns void
**
*******************************************************************************/
void BTM_BleClearBgConnDev(void)
{
btm_ble_start_auto_conn(FALSE);
btm_ble_clear_white_list();
gatt_reset_bgdev_list();
}
/*******************************************************************************
**
** Function BTM_BleUpdateBgConnDev
**
** Description This function is called to add or remove a device into/from
** background connection procedure. The background connection
* procedure is decided by the background connection type, it can be
* auto connection, or selective connection.
**
** Parameters add_remove: TRUE to add; FALSE to remove.
** remote_bda: device address to add/remove.
**
** Returns void
**
*******************************************************************************/
BOOLEAN BTM_BleUpdateBgConnDev(BOOLEAN add_remove, BD_ADDR remote_bda)
{
BOOLEAN ret = TRUE;
UINT8 dev_wl_type = 0;
BTM_TRACE_EVENT (" BTM_BleUpdateBgConnDev");
/* update white list */
ret = btm_update_bg_conn_list(add_remove, remote_bda, &dev_wl_type);
btm_update_dev_to_white_list(add_remove, remote_bda, dev_wl_type);
return ret;
}
/*******************************************************************************
**
** Function BTM_BleSetConnMode
**
** Description This function is called to set BLE connectable mode for a
** peripheral device.
**
** Parameters directed: is directed connectable mode, or non-directed.
** p_dir_bda: connectable direct initiator's LE device address
**
** Returns void
**
*******************************************************************************/
tBTM_STATUS BTM_BleSetConnMode(BOOLEAN is_directed)
{
tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
BTM_TRACE_EVENT ("BTM_BleSetConnMode is_directed = %d ", is_directed);
if (!HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1]))
return BTM_ILLEGAL_VALUE;
p_cb->directed_conn = is_directed;
return btm_ble_set_connectability( p_cb->connectable_mode);
}
/*******************************************************************************
**
** Function btm_set_conn_mode_adv_init_addr
**
** Description set initator address type and local address type based on adv
** mode.
**
**
*******************************************************************************/
static UINT8 btm_set_conn_mode_adv_init_addr(tBTM_BLE_INQ_CB *p_cb,
BD_ADDR_PTR p_addr_ptr,
tBLE_ADDR_TYPE *p_init_addr_type,
tBLE_ADDR_TYPE *p_own_addr_type)
{
UINT8 evt_type;
UNUSED(p_own_addr_type);
if ( p_cb->directed_conn)
{
/* direct adv mode does not have privacy if privacy
is not enabled or no reconn addr config */
*p_init_addr_type = p_cb->direct_bda.type;
memcpy(p_addr_ptr, p_cb->direct_bda.bda, BD_ADDR_LEN);
evt_type = BTM_BLE_CONNECT_DIR_EVT;
}
else /* undirect adv mode */
{
evt_type = BTM_BLE_CONNECT_EVT;
/* may need to reset random address if privacy is enabled */
if (btm_cb.ble_ctr_cb.privacy && /* own addr_type is random */
!BTM_BLE_IS_RESOLVE_BDA(btm_cb.ble_ctr_cb.addr_mgnt_cb.private_addr))
{
/* need to generate RRA and update random addresss in controller */
btm_gen_resolvable_private_addr((void *)btm_gen_resolve_paddr_low);
}
}
return evt_type;
}
/*******************************************************************************
**
** Function BTM_BleSetAdvParams
**
** Description This function is called to set advertising parameters.
**
** Parameters adv_int_min: minimum advertising interval
** adv_int_max: maximum advertising interval
** p_dir_bda: connectable direct initiator's LE device address
** chnl_map: advertising channel map.
**
** Returns void
**
*******************************************************************************/
tBTM_STATUS BTM_BleSetAdvParams(UINT16 adv_int_min, UINT16 adv_int_max,
tBLE_BD_ADDR *p_dir_bda,
tBTM_BLE_ADV_CHNL_MAP chnl_map)
{
tBTM_LE_RANDOM_CB *p_addr_cb = &btm_cb.ble_ctr_cb.addr_mgnt_cb;
tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
tBTM_STATUS status = BTM_SUCCESS;
BD_ADDR p_addr_ptr = {0};
tBLE_ADDR_TYPE init_addr_type = BLE_ADDR_PUBLIC;
tBLE_ADDR_TYPE own_addr_type = p_addr_cb->own_addr_type;
UINT8 adv_mode = p_cb->adv_mode;
BTM_TRACE_EVENT ("BTM_BleSetAdvParams");
if (!HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1]))
return BTM_ILLEGAL_VALUE;
if (!BTM_BLE_VALID_PRAM(adv_int_min, BTM_BLE_ADV_INT_MIN, BTM_BLE_ADV_INT_MAX) ||
!BTM_BLE_VALID_PRAM(adv_int_max, BTM_BLE_ADV_INT_MIN, BTM_BLE_ADV_INT_MAX))
{
return BTM_ILLEGAL_VALUE;
}
p_cb->adv_interval_min = adv_int_min;
p_cb->adv_interval_max = adv_int_max;
p_cb->adv_chnl_map = chnl_map;
if (p_dir_bda)
{
memcpy(&p_cb->direct_bda, p_dir_bda, sizeof(tBLE_BD_ADDR));
}
BTM_TRACE_EVENT ("update params for an active adv");
btm_ble_stop_adv();
if (p_cb->connectable_mode & BTM_BLE_CONNECTABLE)
p_cb->evt_type = btm_set_conn_mode_adv_init_addr(p_cb, p_addr_ptr, &init_addr_type, &own_addr_type);
/* update adv params */
btsnd_hcic_ble_write_adv_params (p_cb->adv_interval_min,
p_cb->adv_interval_max,
p_cb->evt_type,
own_addr_type,
init_addr_type,
p_addr_ptr,
p_cb->adv_chnl_map,
p_cb->afp);
if (adv_mode == BTM_BLE_ADV_ENABLE)
btm_ble_start_adv();
return status;
}
/*******************************************************************************
**
** Function BTM_BleReadAdvParams
**
** Description This function is called to set advertising parameters.
**
** Parameters adv_int_min: minimum advertising interval
** adv_int_max: maximum advertising interval
** p_dir_bda: connectable direct initiator's LE device address
** chnl_map: advertising channel map.
**
** Returns void
**
*******************************************************************************/
void BTM_BleReadAdvParams (UINT16 *adv_int_min, UINT16 *adv_int_max,
tBLE_BD_ADDR *p_dir_bda, tBTM_BLE_ADV_CHNL_MAP *p_chnl_map)
{
tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
BTM_TRACE_EVENT ("BTM_BleReadAdvParams ");
if (!HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1]))
return ;
*adv_int_min = p_cb->adv_interval_min;
*adv_int_max = p_cb->adv_interval_max;
*p_chnl_map = p_cb->adv_chnl_map;
if (p_dir_bda != NULL)
{
memcpy(p_dir_bda, &p_cb->direct_bda, sizeof(tBLE_BD_ADDR));
}
}
/*******************************************************************************
**
** Function BTM_BleSetScanParams
**
** Description This function is called to set Scan parameters.
**
** Parameters adv_int_min: minimum advertising interval
** adv_int_max: maximum advertising interval
** p_dir_bda: connectable direct initiator's LE device address
** chnl_map: advertising channel map.
** scan_type: active scan or passive scan
**
** Returns void
**
*******************************************************************************/
void BTM_BleSetScanParams(UINT16 scan_interval, UINT16 scan_window, tBTM_BLE_SCAN_MODE scan_mode)
{
tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
BTM_TRACE_EVENT (" BTM_BleSetScanParams");
if (!HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1]))
return ;
if (BTM_BLE_VALID_PRAM(scan_interval, BTM_BLE_SCAN_INT_MIN, BTM_BLE_SCAN_INT_MAX) &&
BTM_BLE_VALID_PRAM(scan_window, BTM_BLE_SCAN_WIN_MIN, BTM_BLE_SCAN_WIN_MAX) &&
(scan_mode == BTM_BLE_SCAN_MODE_ACTI || scan_mode == BTM_BLE_SCAN_MODE_PASS))
{
p_cb->scan_type = scan_mode;
if (BTM_BLE_CONN_PARAM_UNDEF != scan_interval)
p_cb->scan_interval = scan_interval;
if (BTM_BLE_CONN_PARAM_UNDEF != scan_window)
p_cb->scan_window = scan_window;
}
else
{
BTM_TRACE_ERROR("Illegal params: scan_interval = %d scan_window = %d",
scan_interval, scan_window);
}
}
/*******************************************************************************
**
** Function BTM_BleWriteScanRsp
**
** Description This function is called to write LE scan response.
**
** Parameters: p_scan_rsp: scan response information.
**
** Returns void
**
*******************************************************************************/
tBTM_STATUS BTM_BleWriteScanRsp(tBTM_BLE_AD_MASK data_mask, tBTM_BLE_ADV_DATA *p_data)
{
tBTM_STATUS status = BTM_NO_RESOURCES;
UINT8 rsp_data[BTM_BLE_AD_DATA_LEN],
*p = rsp_data;
BTM_TRACE_EVENT (" BTM_BleWriteScanRsp");
if (!HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1]))
return BTM_ILLEGAL_VALUE;
memset(rsp_data, 0, BTM_BLE_AD_DATA_LEN);
btm_ble_build_adv_data(&data_mask, &p, p_data);
if (btsnd_hcic_ble_set_scan_rsp_data((UINT8)(p - rsp_data), rsp_data))
{
status = BTM_SUCCESS;
if (data_mask != 0)
btm_cb.ble_ctr_cb.inq_var.scan_rsp = TRUE;
else
btm_cb.ble_ctr_cb.inq_var.scan_rsp = FALSE;
}
else
status = BTM_ILLEGAL_VALUE;
return status;
}
/*******************************************************************************
**
** Function BTM_BleWriteAdvData
**
** Description This function is called to write advertising data.
**
** Parameters: None.
**
** Returns void
**
*******************************************************************************/
tBTM_STATUS BTM_BleWriteAdvData(tBTM_BLE_AD_MASK data_mask, tBTM_BLE_ADV_DATA *p_data)
{
tBTM_BLE_LOCAL_ADV_DATA *p_cb_data = &btm_cb.ble_ctr_cb.inq_var.adv_data;
UINT8 *p;
tBTM_BLE_AD_MASK mask = data_mask;
BTM_TRACE_EVENT ("BTM_BleWriteAdvData ");
if (!HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1]))
return BTM_ILLEGAL_VALUE;
memset(p_cb_data, 0, sizeof(tBTM_BLE_LOCAL_ADV_DATA));
p = p_cb_data->ad_data;
p_cb_data->data_mask = data_mask;
p_cb_data->p_flags = btm_ble_build_adv_data(&mask, &p, p_data);
p_cb_data->p_pad = p;
if (mask != 0)
{
BTM_TRACE_ERROR("Partial data write into ADV");
}
p_cb_data->data_mask &= ~mask;
if (btsnd_hcic_ble_set_adv_data((UINT8)(p_cb_data->p_pad - p_cb_data->ad_data),
p_cb_data->ad_data))
return BTM_SUCCESS;
else
return BTM_NO_RESOURCES;
}
/*******************************************************************************
**
** Function BTM_CheckAdvData
**
** Description This function is called to get ADV data for a specific type.
**
** Parameters p_adv - pointer of ADV data
** type - finding ADV data type
** p_length - return the length of ADV data not including type
**
** Returns pointer of ADV data
**
*******************************************************************************/
UINT8 *BTM_CheckAdvData( UINT8 *p_adv, UINT8 type, UINT8 *p_length)
{
UINT8 *p = p_adv;
UINT8 length;
UINT8 adv_type;
BTM_TRACE_API("BTM_CheckAdvData type=0x%02X", type);
STREAM_TO_UINT8(length, p);
while ( length && (p - p_adv <= BTM_BLE_CACHE_ADV_DATA_MAX))
{
STREAM_TO_UINT8(adv_type, p);
if ( adv_type == type )
{
/* length doesn't include itself */
*p_length = length - 1; /* minus the length of type */
return p;
}
p += length - 1; /* skip the length of data */
STREAM_TO_UINT8(length, p);
}
*p_length = 0;
return NULL;
}
/*******************************************************************************
**
** Function btm_ble_build_adv_data
**
** Description This function is called build the adv data and rsp data.
*******************************************************************************/
UINT8 *btm_ble_build_adv_data(tBTM_BLE_AD_MASK *p_data_mask, UINT8 **p_dst,
tBTM_BLE_ADV_DATA *p_data)
{
UINT32 data_mask = *p_data_mask;
UINT8 *p = *p_dst,
*p_flag = NULL;
UINT16 len = BTM_BLE_AD_DATA_LEN, cp_len = 0;
UINT8 i = 0;
tBTM_BLE_PROP_ELEM *p_elem;
BTM_TRACE_EVENT (" btm_ble_build_adv_data");
/* build the adv data structure and build the data string */
if (data_mask)
{
/* flags */
if (data_mask & BTM_BLE_AD_BIT_FLAGS)
{
*p++ = MIN_ADV_LENGTH;
*p++ = BTM_BLE_AD_TYPE_FLAG;
p_flag = p;
if (p_data)
*p++ = p_data->flag;
else
*p++ = 0;
len -= 3;
data_mask &= ~BTM_BLE_AD_BIT_FLAGS;
}
/* appearance data */
if (len > 3 && data_mask & BTM_BLE_AD_BIT_APPEARANCE)
{
*p++ = 3; /* length */
*p++ = BTM_BLE_AD_TYPE_APPEARANCE;
UINT16_TO_STREAM(p, p_data->appearance);
len -= 4;
data_mask &= ~BTM_BLE_AD_BIT_APPEARANCE;
}
/* device name */
#if BTM_MAX_LOC_BD_NAME_LEN > 0
if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_DEV_NAME)
{
if (strlen(btm_cb.cfg.bd_name) > (UINT16)(len - MIN_ADV_LENGTH))
{
*p++ = len - MIN_ADV_LENGTH + 1;
*p++ = BTM_BLE_AD_TYPE_NAME_SHORT;
ARRAY_TO_STREAM(p, btm_cb.cfg.bd_name, len - MIN_ADV_LENGTH);
}
else
{
cp_len = (UINT16)strlen(btm_cb.cfg.bd_name);
*p++ = cp_len + 1;
*p++ = BTM_BLE_AD_TYPE_NAME_CMPL;
ARRAY_TO_STREAM(p, btm_cb.cfg.bd_name, cp_len);
}
len -= (cp_len + MIN_ADV_LENGTH);
data_mask &= ~BTM_BLE_AD_BIT_DEV_NAME;
}
#endif
/* manufacturer data */
if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_MANU &&
p_data && p_data->p_manu &&
p_data->p_manu->len != 0 && p_data->p_manu->p_val)
{
if (p_data->p_manu->len > (len - MIN_ADV_LENGTH))
cp_len = len - MIN_ADV_LENGTH;
else
cp_len = p_data->p_manu->len;
*p++ = cp_len + 1;
*p++ = BTM_BLE_AD_TYPE_MANU;
ARRAY_TO_STREAM(p, p_data->p_manu->p_val, cp_len);
len -= (cp_len + MIN_ADV_LENGTH);
data_mask &= ~BTM_BLE_AD_BIT_MANU;
}
/* TX power */
if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_TX_PWR)
{
*p++ = MIN_ADV_LENGTH;
*p++ = BTM_BLE_AD_TYPE_TX_PWR;
if (p_data->tx_power > BTM_BLE_ADV_TX_POWER_MAX)
p_data->tx_power = BTM_BLE_ADV_TX_POWER_MAX;
*p++ = btm_ble_map_adv_tx_power(p_data->tx_power);
len -= 3;
data_mask &= ~BTM_BLE_AD_BIT_TX_PWR;
}
/* 16 bits services */
if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_SERVICE &&
p_data && p_data->p_services &&
p_data->p_services->num_service != 0 &&
p_data->p_services->p_uuid)
{
if (p_data->p_services->num_service * LEN_UUID_16 > (len - MIN_ADV_LENGTH))
{
cp_len = (len - MIN_ADV_LENGTH)/LEN_UUID_16;
*p ++ = 1 + cp_len * LEN_UUID_16;
*p++ = BTM_BLE_AD_TYPE_16SRV_PART;
}
else
{
cp_len = p_data->p_services->num_service;
*p++ = 1 + cp_len * LEN_UUID_16;
*p++ = BTM_BLE_AD_TYPE_16SRV_CMPL;
}
for (i = 0; i < cp_len; i ++)
{
UINT16_TO_STREAM(p, *(p_data->p_services->p_uuid + i));
}
len -= (cp_len * MIN_ADV_LENGTH + MIN_ADV_LENGTH);
data_mask &= ~BTM_BLE_AD_BIT_SERVICE;
}
/* 32 bits service uuid */
if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_SERVICE_32 &&
p_data && p_data->p_service_32b &&
p_data->p_service_32b->num_service != 0 &&
p_data->p_service_32b->p_uuid)
{
if ((p_data->p_service_32b->num_service * LEN_UUID_32) > (len - MIN_ADV_LENGTH))
{
cp_len = (len - MIN_ADV_LENGTH)/LEN_UUID_32;
*p ++ = 1 + cp_len * LEN_UUID_32;
*p++ = BTM_BLE_AD_TYPE_32SRV_PART;
}
else
{
cp_len = p_data->p_service_32b->num_service;
*p++ = 1 + cp_len * LEN_UUID_32;
*p++ = BTM_BLE_AD_TYPE_32SRV_CMPL;
}
for (i = 0; i < cp_len; i ++)
{
UINT32_TO_STREAM(p, *(p_data->p_service_32b->p_uuid + i));
}
len -= (cp_len * LEN_UUID_32 + MIN_ADV_LENGTH);
data_mask &= ~BTM_BLE_AD_BIT_SERVICE_32;
}
/* 128 bits services */
if (len >= (MAX_UUID_SIZE + 2) && data_mask & BTM_BLE_AD_BIT_SERVICE_128 &&
p_data && p_data->p_services_128b)
{
*p ++ = 1 + MAX_UUID_SIZE;
if (!p_data->p_services_128b->list_cmpl)
*p++ = BTM_BLE_AD_TYPE_128SRV_PART;
else
*p++ = BTM_BLE_AD_TYPE_128SRV_CMPL;
ARRAY_TO_STREAM(p, p_data->p_services_128b->uuid128, MAX_UUID_SIZE);
len -= (MAX_UUID_SIZE + MIN_ADV_LENGTH);
data_mask &= ~BTM_BLE_AD_BIT_SERVICE_128;
}
/* 32 bits Service Solicitation UUIDs */
if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_SERVICE_32SOL &&
p_data && p_data->p_sol_service_32b &&
p_data->p_sol_service_32b->num_service != 0 &&
p_data->p_sol_service_32b->p_uuid)
{
if ((p_data->p_sol_service_32b->num_service * LEN_UUID_32) > (len - MIN_ADV_LENGTH))
{
cp_len = (len - MIN_ADV_LENGTH)/LEN_UUID_32;
*p ++ = 1 + cp_len * LEN_UUID_32;
}
else
{
cp_len = p_data->p_sol_service_32b->num_service;
*p++ = 1 + cp_len * LEN_UUID_32;
}
*p++ = BTM_BLE_AD_TYPE_32SOL_SRV_UUID;
for (i = 0; i < cp_len; i ++)
{
UINT32_TO_STREAM(p, *(p_data->p_sol_service_32b->p_uuid + i));
}
len -= (cp_len * LEN_UUID_32 + MIN_ADV_LENGTH);
data_mask &= ~BTM_BLE_AD_BIT_SERVICE_32SOL;
}
/* 128 bits Solicitation services UUID */
if (len >= (MAX_UUID_SIZE + MIN_ADV_LENGTH) && data_mask & BTM_BLE_AD_BIT_SERVICE_128SOL &&
p_data && p_data->p_sol_service_128b)
{
*p ++ = 1 + MAX_UUID_SIZE;
*p++ = BTM_BLE_AD_TYPE_128SOL_SRV_UUID;
ARRAY_TO_STREAM(p, p_data->p_sol_service_128b->uuid128, MAX_UUID_SIZE);
len -= (MAX_UUID_SIZE + MIN_ADV_LENGTH);
data_mask &= ~BTM_BLE_AD_BIT_SERVICE_128SOL;
}
/* 16bits/32bits/128bits Service Data */
if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_SERVICE_DATA &&
p_data && p_data->p_service_data->len != 0 && p_data->p_service_data->p_val)
{
if (len > (p_data->p_service_data->service_uuid.len + MIN_ADV_LENGTH))
{
if (p_data->p_service_data->len > (len - MIN_ADV_LENGTH))
cp_len = len - MIN_ADV_LENGTH- p_data->p_service_data->service_uuid.len;
else
cp_len = p_data->p_service_data->len;
*p++ = cp_len + 1 + p_data->p_service_data->service_uuid.len;
if (p_data->p_service_data->service_uuid.len == LEN_UUID_16)
{
*p++ = BTM_BLE_AD_TYPE_SERVICE_DATA;
UINT16_TO_STREAM(p, p_data->p_service_data->service_uuid.uu.uuid16);
}
else if (p_data->p_service_data->service_uuid.len == LEN_UUID_32)
{
*p++ = BTM_BLE_AD_TYPE_32SERVICE_DATA;
UINT32_TO_STREAM(p, p_data->p_service_data->service_uuid.uu.uuid32);
}
else
{
*p++ = BTM_BLE_AD_TYPE_128SERVICE_DATA;
ARRAY_TO_STREAM(p, p_data->p_service_data->service_uuid.uu.uuid128,
LEN_UUID_128);
}
ARRAY_TO_STREAM(p, p_data->p_service_data->p_val, cp_len);
len -= (cp_len + MIN_ADV_LENGTH + p_data->p_service_data->service_uuid.len);
data_mask &= ~BTM_BLE_AD_BIT_SERVICE_DATA;
}
else
{
BTM_TRACE_WARNING("service data does not fit");
}
}
if (len >= 6 && data_mask & BTM_BLE_AD_BIT_INT_RANGE &&
p_data)
{
*p++ = 5;
*p++ = BTM_BLE_AD_TYPE_INT_RANGE;
UINT16_TO_STREAM(p, p_data->int_range.low);
UINT16_TO_STREAM(p, p_data->int_range.hi);
len -= 6;
data_mask &= ~BTM_BLE_AD_BIT_INT_RANGE;
}
if (data_mask & BTM_BLE_AD_BIT_PROPRIETARY && p_data && p_data->p_proprietary)
{
for (i = 0; i < p_data->p_proprietary->num_elem ; i ++)
{
p_elem = p_data->p_proprietary->p_elem + i;
if (len >= (MIN_ADV_LENGTH + p_elem->len))/* len byte(1) + ATTR type(1) + Uuid len(2)
+ value length */
{
*p ++ = p_elem->len + 1; /* Uuid len + value length */
*p ++ = p_elem->adv_type;
ARRAY_TO_STREAM(p, p_elem->p_val, p_elem->len);
len -= (MIN_ADV_LENGTH + p_elem->len);
}
else
{
BTM_TRACE_WARNING("data exceed max adv packet length");
break;
}
}
data_mask &= ~BTM_BLE_AD_BIT_PROPRIETARY;
}
}
*p_data_mask = data_mask;
*p_dst = p;
return p_flag;
}
/*******************************************************************************
**
** Function btm_ble_select_adv_interval
**
** Description select adv interval based on device mode
**
** Returns void
**
*******************************************************************************/
void btm_ble_select_adv_interval(tBTM_BLE_INQ_CB *p_cb, UINT8 evt_type, UINT16 *p_adv_int_min, UINT16 *p_adv_int_max)
{
if (p_cb->adv_interval_min && p_cb->adv_interval_max)
{
*p_adv_int_min = p_cb->adv_interval_min;
*p_adv_int_max = p_cb->adv_interval_max;
}
else
{
switch (evt_type)
{
case BTM_BLE_CONNECT_EVT:
*p_adv_int_min = *p_adv_int_max = BTM_BLE_GAP_ADV_FAST_INT_1;
break;
case BTM_BLE_NON_CONNECT_EVT:
case BTM_BLE_DISCOVER_EVT:
*p_adv_int_min = *p_adv_int_max = BTM_BLE_GAP_ADV_FAST_INT_2;
break;
/* connectable directed event */
case BTM_BLE_CONNECT_DIR_EVT:
*p_adv_int_min = BTM_BLE_GAP_ADV_DIR_MIN_INT;
*p_adv_int_max = BTM_BLE_GAP_ADV_DIR_MAX_INT;
break;
default:
*p_adv_int_min = *p_adv_int_max = BTM_BLE_GAP_ADV_SLOW_INT;
break;
}
}
return;
}
/*******************************************************************************
**
** Function btm_ble_set_adv_flag
**
** Description Set adv flag in adv data.
**
** Returns void
**
*******************************************************************************/
void btm_ble_set_adv_flag(UINT16 connect_mode, UINT16 disc_mode)
{
UINT8 flag = 0, old_flag = 0;
tBTM_BLE_LOCAL_ADV_DATA *p_adv_data = &btm_cb.ble_ctr_cb.inq_var.adv_data;
if (p_adv_data->p_flags != NULL)
flag = old_flag = *(p_adv_data->p_flags);
/* BR/EDR non-discoverable , non-connectable */
if ((disc_mode & BTM_DISCOVERABLE_MASK) == 0 &&
(connect_mode & BTM_CONNECTABLE_MASK) == 0)
flag |= BTM_BLE_BREDR_NOT_SPT;
else
flag &= ~BTM_BLE_BREDR_NOT_SPT;
/* if local controller support, mark both controller and host support in flag */
if (HCI_SIMUL_LE_BREDR_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_0]))
flag |= (BTM_BLE_DMT_CONTROLLER_SPT|BTM_BLE_DMT_HOST_SPT);
else
flag &= ~(BTM_BLE_DMT_CONTROLLER_SPT|BTM_BLE_DMT_HOST_SPT);
BTM_TRACE_DEBUG("disc_mode %04x", disc_mode);
/* update discoverable flag */
if (disc_mode & BTM_BLE_LIMITED_DISCOVERABLE)
{
flag &= ~BTM_BLE_GEN_DISC_FLAG;
flag |= BTM_BLE_LIMIT_DISC_FLAG ;
}
else if (disc_mode & BTM_BLE_GENERAL_DISCOVERABLE)
{
flag |= BTM_BLE_GEN_DISC_FLAG;
flag &= ~BTM_BLE_LIMIT_DISC_FLAG;
}
else /* remove all discoverable flags */
{
flag &= ~(BTM_BLE_LIMIT_DISC_FLAG|BTM_BLE_GEN_DISC_FLAG);
}
if (flag != old_flag)
{
btm_ble_update_adv_flag(flag);
}
}
/*******************************************************************************
**
** Function btm_ble_set_discoverability
**
** Description This function is called to set BLE discoverable mode.
**
** Parameters: combined_mode: discoverability mode.
**
** Returns BTM_SUCCESS is status set successfully; otherwise failure.
**
*******************************************************************************/
tBTM_STATUS btm_ble_set_discoverability(UINT16 combined_mode)
{
tBTM_LE_RANDOM_CB *p_addr_cb = &btm_cb.ble_ctr_cb.addr_mgnt_cb;
tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
UINT16 mode = (combined_mode & BTM_BLE_DISCOVERABLE_MASK);
UINT8 new_mode = BTM_BLE_ADV_ENABLE;
UINT8 evt_type = (p_cb->connectable_mode == BTM_BLE_NON_CONNECTABLE) ? \
((p_cb->scan_rsp) ? BTM_BLE_DISCOVER_EVT : BTM_BLE_NON_CONNECT_EVT )\
: BTM_BLE_CONNECT_EVT;
tBTM_STATUS status = BTM_SUCCESS;
BD_ADDR p_addr_ptr= {0};
tBLE_ADDR_TYPE init_addr_type = BLE_ADDR_PUBLIC,
own_addr_type = p_addr_cb->own_addr_type;
UINT16 adv_int_min, adv_int_max;
BTM_TRACE_EVENT ("btm_ble_set_discoverability mode=0x%0x combined_mode=0x%x", mode, combined_mode);
/*** Check mode parameter ***/
if (mode > BTM_BLE_MAX_DISCOVERABLE)
return(BTM_ILLEGAL_VALUE);
btm_ble_set_adv_flag (btm_cb.btm_inq_vars.connectable_mode, combined_mode);
evt_type = btm_set_conn_mode_adv_init_addr(p_cb, p_addr_ptr, &init_addr_type, &own_addr_type);
if (p_cb->connectable_mode == BTM_BLE_NON_CONNECTABLE && mode == BTM_BLE_NON_DISCOVERABLE)
new_mode = BTM_BLE_ADV_DISABLE;
btm_ble_select_adv_interval(p_cb, evt_type, &adv_int_min, &adv_int_max);
btu_stop_timer(&p_cb->fast_adv_timer);
/* update adv params if start advertising */
BTM_TRACE_EVENT ("evt_type=0x%x p-cb->evt_type=0x%x ", evt_type, p_cb->evt_type);
if (new_mode == BTM_BLE_ADV_ENABLE &&
(evt_type != p_cb->evt_type ||p_cb->adv_addr_type != own_addr_type || !p_cb->fast_adv_on))
{
btm_ble_stop_adv();
/* update adv params */
if (!btsnd_hcic_ble_write_adv_params (adv_int_min,
adv_int_max,
evt_type,
own_addr_type,
init_addr_type,
p_addr_ptr,
p_cb->adv_chnl_map,
p_cb->afp))
status = BTM_NO_RESOURCES;
else
{
p_cb->evt_type = evt_type;
p_cb->adv_addr_type = own_addr_type;
}
}
if (status == BTM_SUCCESS && p_cb->adv_mode != new_mode)
{
if (new_mode == BTM_BLE_ADV_ENABLE)
status = btm_ble_start_adv();
else
status = btm_ble_stop_adv();
}
if (p_cb->adv_mode == BTM_BLE_ADV_ENABLE)
{
p_cb->fast_adv_on = TRUE;
/* start initial GAP mode adv timer */
btu_start_timer (&p_cb->fast_adv_timer, BTU_TTYPE_BLE_GAP_FAST_ADV,
BTM_BLE_GAP_FAST_ADV_TOUT);
}
/* set up stop advertising timer */
if (status == BTM_SUCCESS && mode == BTM_BLE_LIMITED_DISCOVERABLE)
{
BTM_TRACE_EVENT ("start timer for limited disc mode duration=%d (180 secs)", BTM_BLE_GAP_LIM_TOUT);
/* start Tgap(lim_timeout) */
btu_start_timer (&p_cb->inq_timer_ent, BTU_TTYPE_BLE_GAP_LIM_DISC,
BTM_BLE_GAP_LIM_TOUT);
}
return status;
}
/*******************************************************************************
**
** Function btm_ble_set_connectability
**
** Description This function is called to set BLE connectability mode.
**
** Parameters: combined_mode: connectability mode.
**
** Returns BTM_SUCCESS is status set successfully; otherwise failure.
**
*******************************************************************************/
tBTM_STATUS btm_ble_set_connectability(UINT16 combined_mode)
{
tBTM_LE_RANDOM_CB *p_addr_cb = &btm_cb.ble_ctr_cb.addr_mgnt_cb;
tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
UINT16 mode = (combined_mode & BTM_BLE_CONNECTABLE_MASK);
UINT8 new_mode = BTM_BLE_ADV_ENABLE;
UINT8 evt_type = (p_cb->scan_rsp) ? BTM_BLE_DISCOVER_EVT: BTM_BLE_NON_CONNECT_EVT;
tBTM_STATUS status = BTM_SUCCESS;
BD_ADDR p_addr_ptr = {0};
tBLE_ADDR_TYPE init_addr_type = BLE_ADDR_PUBLIC,
own_addr_type = p_addr_cb->own_addr_type;
UINT16 adv_int_min, adv_int_max;
BTM_TRACE_EVENT ("btm_ble_set_connectability mode=0x%0x combined_mode=0x%x", mode, combined_mode);
/*** Check mode parameter ***/
if (mode > BTM_BLE_MAX_CONNECTABLE)
return(BTM_ILLEGAL_VALUE);
p_cb->connectable_mode = mode;
btm_ble_set_adv_flag (combined_mode, btm_cb.btm_inq_vars.discoverable_mode);
evt_type = btm_set_conn_mode_adv_init_addr(p_cb, p_addr_ptr, &init_addr_type, &own_addr_type);
if (mode == BTM_BLE_NON_CONNECTABLE && p_cb->discoverable_mode == BTM_BLE_NON_DISCOVERABLE)
new_mode = BTM_BLE_ADV_DISABLE;
btm_ble_select_adv_interval(p_cb, evt_type, &adv_int_min, &adv_int_max);
btu_stop_timer(&p_cb->fast_adv_timer);
/* update adv params if needed */
if ((p_cb->evt_type != evt_type || p_cb->adv_addr_type != p_addr_cb->own_addr_type || !p_cb->fast_adv_on))
{
btm_ble_stop_adv();
if (!btsnd_hcic_ble_write_adv_params (adv_int_min,
adv_int_max,
evt_type,
own_addr_type,
init_addr_type,
p_addr_ptr,
p_cb->adv_chnl_map,
p_cb->afp))
status = BTM_NO_RESOURCES;
else
{
p_cb->evt_type = evt_type;
p_cb->adv_addr_type = own_addr_type;
}
}
/* update advertising mode */
if (status == BTM_SUCCESS && new_mode != p_cb->adv_mode)
{
if (new_mode == BTM_BLE_ADV_ENABLE)
status = btm_ble_start_adv();
else
status = btm_ble_stop_adv();
}
if (p_cb->adv_mode == BTM_BLE_ADV_ENABLE)
{
p_cb->fast_adv_on = TRUE;
/* start initial GAP mode adv timer */
btu_start_timer (&p_cb->fast_adv_timer, BTU_TTYPE_BLE_GAP_FAST_ADV,
BTM_BLE_GAP_FAST_ADV_TOUT);
}
return status;
}
/*******************************************************************************
**
** Function btm_ble_start_inquiry
**
** Description This function is called to start BLE inquiry procedure.
** If the duration is zero, the periodic inquiry mode is cancelled.
**
** Parameters: mode - GENERAL or LIMITED inquiry
** p_inq_params - pointer to the BLE inquiry parameter.
** p_results_cb - callback returning pointer to results (tBTM_INQ_RESULTS)
** p_cmpl_cb - callback indicating the end of an inquiry
**
**
**
** Returns BTM_CMD_STARTED if successfully started
** BTM_NO_RESOURCES if could not allocate a message buffer
** BTM_BUSY - if an inquiry is already active
**
*******************************************************************************/
tBTM_STATUS btm_ble_start_inquiry (UINT8 mode, UINT8 duration)
{
tBTM_STATUS status = BTM_CMD_STARTED;
tBTM_BLE_CB *p_ble_cb = &btm_cb.ble_ctr_cb;
tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
BTM_TRACE_DEBUG("btm_ble_start_inquiry: mode = %02x inq_active = 0x%02x", mode, btm_cb.btm_inq_vars.inq_active);
/* if selective connection is active, or inquiry is already active, reject it */
if (BTM_BLE_IS_INQ_ACTIVE(p_ble_cb->scan_activity) ||
BTM_BLE_IS_SEL_CONN_ACTIVE (p_ble_cb->scan_activity))
{
BTM_TRACE_ERROR("LE Inquiry is active, can not start inquiry");
return(BTM_BUSY);
}
if (!BTM_BLE_IS_SCAN_ACTIVE(p_ble_cb->scan_activity))
{
btm_update_scanner_filter_policy(SP_ADV_ALL);
#if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
/* enable IRK list */
if (btm_cb.cmn_ble_vsc_cb.rpa_offloading == TRUE)
btm_ble_vendor_irk_list_known_dev (TRUE);
#endif
status = btm_ble_start_scan(BTM_BLE_DUPLICATE_DISABLE);
}
if (status == BTM_CMD_STARTED)
{
p_inq->inq_active |= mode;
p_ble_cb->scan_activity |= mode;
BTM_TRACE_DEBUG("btm_ble_start_inquiry inq_active = 0x%02x", p_inq->inq_active);
if (duration != 0)
{
/* start inquiry timer */
btu_start_timer (&p_inq->inq_timer_ent, BTU_TTYPE_BLE_INQUIRY, duration);
}
}
return status;
}
/*******************************************************************************
**
** Function btm_ble_read_remote_name_cmpl
**
** Description This function is called when BLE remote name is received.
**
** Returns void
**
*******************************************************************************/
void btm_ble_read_remote_name_cmpl(BOOLEAN status, BD_ADDR bda, UINT16 length, char *p_name)
{
UINT8 hci_status = HCI_SUCCESS;
BD_NAME bd_name;
memset(bd_name, 0, (BD_NAME_LEN + 1));
if (length > BD_NAME_LEN)
{
length = BD_NAME_LEN;
}
memcpy((UINT8*)bd_name, p_name, length);
if ((!status) || (length==0))
{
hci_status = HCI_ERR_HOST_TIMEOUT;
}
btm_process_remote_name(bda, bd_name, length +1, hci_status);
btm_sec_rmt_name_request_complete (bda, (UINT8 *)p_name, hci_status);
}
/*******************************************************************************
**
** Function btm_ble_read_remote_name
**
** Description This function read remote LE device name using GATT read
** procedure.
**
** Parameters: None.
**
** Returns void
**
*******************************************************************************/
tBTM_STATUS btm_ble_read_remote_name(BD_ADDR remote_bda, tBTM_INQ_INFO *p_cur, tBTM_CMPL_CB *p_cb)
{
tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
if (!HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1]))
return BTM_ERR_PROCESSING;
if (p_cur &&
p_cur->results.ble_evt_type != BTM_BLE_EVT_CONN_ADV &&
p_cur->results.ble_evt_type != BTM_BLE_EVT_CONN_DIR_ADV)
{
BTM_TRACE_DEBUG("name request to non-connectable device failed.");
return BTM_ERR_PROCESSING;
}
/* read remote device name using GATT procedure */
if (p_inq->remname_active)
return BTM_BUSY;
if (!GAP_BleReadPeerDevName(remote_bda, btm_ble_read_remote_name_cmpl))
return BTM_BUSY;
p_inq->p_remname_cmpl_cb = p_cb;
p_inq->remname_active = TRUE;
memcpy(p_inq->remname_bda, remote_bda, BD_ADDR_LEN);
btu_start_timer (&p_inq->rmt_name_timer_ent,
BTU_TTYPE_BTM_RMT_NAME,
BTM_EXT_BLE_RMT_NAME_TIMEOUT);
return BTM_CMD_STARTED;
}
/*******************************************************************************
**
** Function btm_ble_cancel_remote_name
**
** Description This function cancel read remote LE device name.
**
** Parameters: None.
**
** Returns void
**
*******************************************************************************/
BOOLEAN btm_ble_cancel_remote_name(BD_ADDR remote_bda)
{
tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
BOOLEAN status;
status = GAP_BleCancelReadPeerDevName(remote_bda);
p_inq->remname_active = FALSE;
memset(p_inq->remname_bda, 0, BD_ADDR_LEN);
btu_stop_timer(&p_inq->rmt_name_timer_ent);
return status;
}
/*******************************************************************************
**
** Function btm_ble_update_adv_flag
**
** Description This function update the limited discoverable flag in the adv
** data.
**
** Parameters: None.
**
** Returns void
**
*******************************************************************************/
static void btm_ble_update_adv_flag(UINT8 flag)
{
tBTM_BLE_LOCAL_ADV_DATA *p_adv_data = &btm_cb.ble_ctr_cb.inq_var.adv_data;
UINT8 *p;
BTM_TRACE_DEBUG ("btm_ble_update_adv_flag new=0x%x", flag);
if (p_adv_data->p_flags != NULL)
{
BTM_TRACE_DEBUG ("btm_ble_update_adv_flag old=0x%x", *p_adv_data->p_flags);
*p_adv_data->p_flags = flag;
}
else /* no FLAGS in ADV data*/
{
p = (p_adv_data->p_pad == NULL) ? p_adv_data->ad_data : p_adv_data->p_pad;
/* need 3 bytes space to stuff in the flags, if not */
/* erase all written data, just for flags */
if ((BTM_BLE_AD_DATA_LEN - (p - p_adv_data->ad_data)) < 3)
{
p = p_adv_data->p_pad = p_adv_data->ad_data;
memset(p_adv_data->ad_data, 0, BTM_BLE_AD_DATA_LEN);
}
*p++ = 2;
*p++ = BTM_BLE_AD_TYPE_FLAG;
p_adv_data->p_flags = p;
*p++ = flag;
p_adv_data->p_pad = p;
}
if (btsnd_hcic_ble_set_adv_data((UINT8)(p_adv_data->p_pad - p_adv_data->ad_data),
p_adv_data->ad_data))
p_adv_data->data_mask |= BTM_BLE_AD_BIT_FLAGS;
}
#if 0
/*******************************************************************************
**
** Function btm_ble_parse_adv_data
**
** Description This function parse the adv data into a structure.
**
** Returns pointer to entry, or NULL if not found
**
*******************************************************************************/
static void btm_ble_parse_adv_data(tBTM_INQ_INFO *p_info, UINT8 *p_data,
UINT8 len, tBTM_BLE_INQ_DATA *p_adv_data, UINT8 *p_buf)
{
UINT8 *p_cur = p_data;
UINT8 ad_len, ad_type, ad_flag;
BTM_TRACE_EVENT (" btm_ble_parse_adv_data");
while (len > 0)
{
BTM_TRACE_DEBUG("btm_ble_parse_adv_data: len = %d", len);
if ((ad_len = *p_cur ++) == 0)
break;
ad_type = *p_cur ++;
BTM_TRACE_DEBUG(" ad_type = %02x ad_len = %d", ad_type, ad_len);
switch (ad_type)
{
case BTM_BLE_AD_TYPE_NAME_SHORT:
case BTM_BLE_AD_TYPE_NAME_CMPL:
p_adv_data->ad_mask |= BTM_BLE_AD_BIT_DEV_NAME;
if (p_info)
{
p_info->remote_name_type =(ad_type == BTM_BLE_AD_TYPE_NAME_SHORT) ?
BTM_BLE_NAME_SHORT: BTM_BLE_NAME_CMPL;
memcpy(p_info->remote_name, p_cur, ad_len -1);
p_info->remote_name[ad_len] = 0;
p_adv_data->p_remote_name = p_info->remote_name;
p_info->remote_name_len = p_adv_data->remote_name_len = ad_len - 1;
BTM_TRACE_DEBUG("BTM_BLE_AD_TYPE_NAME name = %s",p_adv_data->p_remote_name);
}
p_cur += (ad_len -1);
break;
case BTM_BLE_AD_TYPE_FLAG:
p_adv_data->ad_mask |= BTM_BLE_AD_BIT_FLAGS;
ad_flag = *p_cur ++;
p_adv_data->flag = (UINT8)(ad_flag & BTM_BLE_ADV_FLAG_MASK) ;
BTM_TRACE_DEBUG("BTM_BLE_AD_TYPE_FLAG flag = %s | %s | %s",
(p_adv_data->flag & BTM_BLE_LIMIT_DISC_FLAG)? "LE_LIMIT_DISC" : "",
(p_adv_data->flag & BTM_BLE_GEN_DISC_FLAG)? "LE_GENERAL_DISC" : "",
(p_adv_data->flag & BTM_BLE_BREDR_NOT_SPT)? "LE Only device" : "");
break;
case BTM_BLE_AD_TYPE_TX_PWR:
p_adv_data->ad_mask |= BTM_BLE_AD_BIT_TX_PWR;
p_adv_data->tx_power_level = (INT8)*p_cur ++;
BTM_TRACE_DEBUG("BTM_BLE_AD_TYPE_TX_PWR tx_level = %d", p_adv_data->tx_power_level);
break;
case BTM_BLE_AD_TYPE_MANU:
case BTM_BLE_AD_TYPE_16SRV_PART:
case BTM_BLE_AD_TYPE_16SRV_CMPL:
p_adv_data->ad_mask |= BTM_BLE_AD_BIT_SERVICE;
/* need allocate memory to store UUID list */
p_adv_data->service.num_service = (ad_len - 1)/2;
BTM_TRACE_DEBUG("service UUID list, num = %d", p_adv_data->service.num_service);
p_cur += (ad_len - 1);
break;
case BTM_BLE_AD_TYPE_SOL_SRV_UUID:
p_adv_data->ad_mask |= BTM_BLE_AD_BIT_SERVICE_SOL;
/* need allocate memory to store UUID list */
p_adv_data->service.num_service = (ad_len - 1)/2;
BTM_TRACE_DEBUG("service UUID list, num = %d", p_adv_data->service.num_service);
p_cur += (ad_len - 1);
break;
case BTM_BLE_AD_TYPE_128SOL_SRV_UUID:
p_adv_data->ad_mask |= BTM_BLE_AD_BIT_SERVICE_128SOL;
/* need allocate memory to store UUID list */
p_adv_data->service.num_service = (ad_len - 1)/16;
BTM_TRACE_DEBUG("service UUID list, num = %d", p_adv_data->service.num_service);
p_cur += (ad_len - 1);
break;
case BTM_BLE_AD_TYPE_APPEARANCE:
case BTM_BLE_AD_TYPE_PUBLIC_TARGET:
case BTM_BLE_AD_TYPE_RANDOM_TARGET:
default:
break;
}
len -= (ad_len + 1);
}
}
#endif
/*******************************************************************************
**
** Function btm_ble_cache_adv_data
**
** Description Update advertising cache data.
**
** Returns void
**
*******************************************************************************/
void btm_ble_cache_adv_data(tBTM_INQ_RESULTS *p_cur, UINT8 data_len, UINT8 *p, UINT8 evt_type)
{
tBTM_BLE_INQ_CB *p_le_inq_cb = &btm_cb.ble_ctr_cb.inq_var;
UINT8 *p_cache;
UINT8 length;
UNUSED(p_cur);
/* cache adv report/scan response data */
if (evt_type != BTM_BLE_SCAN_RSP_EVT)
{
p_le_inq_cb->adv_len = 0;
memset(p_le_inq_cb->adv_data_cache, 0, BTM_BLE_CACHE_ADV_DATA_MAX);
}
if (data_len > 0)
{
p_cache = &p_le_inq_cb->adv_data_cache[p_le_inq_cb->adv_len];
STREAM_TO_UINT8(length, p);
while ( length && ((p_le_inq_cb->adv_len + length + 1) <= BTM_BLE_CACHE_ADV_DATA_MAX))
{
/* copy from the length byte & data into cache */
memcpy(p_cache, p-1, length+1);
/* advance the cache pointer past data */
p_cache += length+1;
/* increment cache length */
p_le_inq_cb->adv_len += length+1;
/* skip the length of data */
p += length;
STREAM_TO_UINT8(length, p);
}
}
/* parse service UUID from adv packet and save it in inq db eir_uuid */
/* TODO */
}
/*******************************************************************************
**
** Function btm_ble_is_discoverable
**
** Description check ADV flag to make sure device is discoverable and match
** the search condition
**
** Parameters
**
** Returns void
**
*******************************************************************************/
UINT8 btm_ble_is_discoverable(BD_ADDR bda, UINT8 evt_type, UINT8 *p)
{
UINT8 *p_flag, flag = 0, rt = 0;
UINT8 data_len;
tBTM_INQ_PARMS *p_cond = &btm_cb.btm_inq_vars.inqparms;
tBTM_BLE_INQ_CB *p_le_inq_cb = &btm_cb.ble_ctr_cb.inq_var;
UNUSED(p);
/* for observer, always "discoverable */
if (BTM_BLE_IS_OBS_ACTIVE(btm_cb.ble_ctr_cb.scan_activity))
rt |= BTM_BLE_OBS_RESULT;
if (BTM_BLE_IS_SEL_CONN_ACTIVE(btm_cb.ble_ctr_cb.scan_activity) &&
(evt_type == BTM_BLE_CONNECT_EVT || evt_type == BTM_BLE_CONNECT_DIR_EVT))
rt |= BTM_BLE_SEL_CONN_RESULT;
/* does not match filter condition */
if (p_cond->filter_cond_type == BTM_FILTER_COND_BD_ADDR &&
memcmp(bda, p_cond->filter_cond.bdaddr_cond, BD_ADDR_LEN) != 0)
{
BTM_TRACE_DEBUG("BD ADDR does not meet filter condition");
return rt;
}
if (p_le_inq_cb->adv_len != 0)
{
if ((p_flag = BTM_CheckAdvData(p_le_inq_cb->adv_data_cache,
BTM_BLE_AD_TYPE_FLAG, &data_len)) != NULL)
{
flag = * p_flag;
if ((btm_cb.btm_inq_vars.inq_active & BTM_BLE_GENERAL_INQUIRY) &&
(flag & (BTM_BLE_LIMIT_DISC_FLAG|BTM_BLE_GEN_DISC_FLAG)) != 0)
{
BTM_TRACE_DEBUG("Find Generable Discoverable device");
rt |= BTM_BLE_INQ_RESULT;
}
else if (btm_cb.btm_inq_vars.inq_active & BTM_BLE_LIMITED_INQUIRY &&
(flag & BTM_BLE_LIMIT_DISC_FLAG) != 0)
{
BTM_TRACE_DEBUG("Find limited discoverable device");
rt |= BTM_BLE_INQ_RESULT;
}
}
}
return rt;
}
static void btm_ble_appearance_to_cod(UINT16 appearance, UINT8 *dev_class)
{
dev_class[0] = 0;
switch (appearance)
{
case BTM_BLE_APPEARANCE_GENERIC_PHONE:
dev_class[1] = BTM_COD_MAJOR_PHONE;
dev_class[2] = BTM_COD_MINOR_UNCLASSIFIED;
break;
case BTM_BLE_APPEARANCE_GENERIC_COMPUTER:
dev_class[1] = BTM_COD_MAJOR_COMPUTER;
dev_class[2] = BTM_COD_MINOR_UNCLASSIFIED;
break;
case BTM_BLE_APPEARANCE_GENERIC_REMOTE:
dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
dev_class[2] = BTM_COD_MINOR_REMOTE_CONTROL;
break;
case BTM_BLE_APPEARANCE_GENERIC_THERMOMETER:
case BTM_BLE_APPEARANCE_THERMOMETER_EAR:
dev_class[1] = BTM_COD_MAJOR_HEALTH;
dev_class[2] = BTM_COD_MINOR_THERMOMETER;
break;
case BTM_BLE_APPEARANCE_GENERIC_HEART_RATE:
case BTM_BLE_APPEARANCE_HEART_RATE_BELT:
dev_class[1] = BTM_COD_MAJOR_HEALTH;
dev_class[2] = BTM_COD_MINOR_HEART_PULSE_MONITOR;
break;
case BTM_BLE_APPEARANCE_GENERIC_BLOOD_PRESSURE:
case BTM_BLE_APPEARANCE_BLOOD_PRESSURE_ARM:
case BTM_BLE_APPEARANCE_BLOOD_PRESSURE_WRIST:
dev_class[1] = BTM_COD_MAJOR_HEALTH;
dev_class[2] = BTM_COD_MINOR_BLOOD_MONITOR;
break;
case BTM_BLE_APPEARANCE_GENERIC_PULSE_OXIMETER:
case BTM_BLE_APPEARANCE_PULSE_OXIMETER_FINGERTIP:
case BTM_BLE_APPEARANCE_PULSE_OXIMETER_WRIST:
dev_class[1] = BTM_COD_MAJOR_HEALTH;
dev_class[2] = BTM_COD_MINOR_PULSE_OXIMETER;
break;
case BTM_BLE_APPEARANCE_GENERIC_GLUCOSE:
dev_class[1] = BTM_COD_MAJOR_HEALTH;
dev_class[2] = BTM_COD_MINOR_GLUCOSE_METER;
break;
case BTM_BLE_APPEARANCE_GENERIC_WEIGHT:
dev_class[1] = BTM_COD_MAJOR_HEALTH;
dev_class[2] = BTM_COD_MINOR_WEIGHING_SCALE;
break;
case BTM_BLE_APPEARANCE_GENERIC_WALKING:
case BTM_BLE_APPEARANCE_WALKING_IN_SHOE:
case BTM_BLE_APPEARANCE_WALKING_ON_SHOE:
case BTM_BLE_APPEARANCE_WALKING_ON_HIP:
dev_class[1] = BTM_COD_MAJOR_HEALTH;
dev_class[2] = BTM_COD_MINOR_STEP_COUNTER;
break;
case BTM_BLE_APPEARANCE_GENERIC_WATCH:
case BTM_BLE_APPEARANCE_SPORTS_WATCH:
dev_class[1] = BTM_COD_MAJOR_WEARABLE;
dev_class[2] = BTM_COD_MINOR_WRIST_WATCH;
break;
case BTM_BLE_APPEARANCE_GENERIC_EYEGLASSES:
dev_class[1] = BTM_COD_MAJOR_WEARABLE;
dev_class[2] = BTM_COD_MINOR_GLASSES;
break;
case BTM_BLE_APPEARANCE_GENERIC_DISPLAY:
dev_class[1] = BTM_COD_MAJOR_IMAGING;
dev_class[2] = BTM_COD_MINOR_DISPLAY;
break;
case BTM_BLE_APPEARANCE_GENERIC_MEDIA_PLAYER:
dev_class[1] = BTM_COD_MAJOR_AUDIO;
dev_class[2] = BTM_COD_MINOR_UNCLASSIFIED;
break;
case BTM_BLE_APPEARANCE_GENERIC_BARCODE_SCANNER:
case BTM_BLE_APPEARANCE_HID_BARCODE_SCANNER:
case BTM_BLE_APPEARANCE_GENERIC_HID:
dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
dev_class[2] = BTM_COD_MINOR_UNCLASSIFIED;
break;
case BTM_BLE_APPEARANCE_HID_KEYBOARD:
dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
dev_class[2] = BTM_COD_MINOR_KEYBOARD;
break;
case BTM_BLE_APPEARANCE_HID_MOUSE:
dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
dev_class[2] = BTM_COD_MINOR_POINTING;
break;
case BTM_BLE_APPEARANCE_HID_JOYSTICK:
dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
dev_class[2] = BTM_COD_MINOR_JOYSTICK;
break;
case BTM_BLE_APPEARANCE_HID_GAMEPAD:
dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
dev_class[2] = BTM_COD_MINOR_GAMEPAD;
break;
case BTM_BLE_APPEARANCE_HID_DIGITIZER_TABLET:
dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
dev_class[2] = BTM_COD_MINOR_DIGITIZING_TABLET;
break;
case BTM_BLE_APPEARANCE_HID_CARD_READER:
dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
dev_class[2] = BTM_COD_MINOR_CARD_READER;
break;
case BTM_BLE_APPEARANCE_HID_DIGITAL_PEN:
dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
dev_class[2] = BTM_COD_MINOR_DIGITAL_PAN;
break;
case BTM_BLE_APPEARANCE_UKNOWN:
case BTM_BLE_APPEARANCE_GENERIC_CLOCK:
case BTM_BLE_APPEARANCE_GENERIC_TAG:
case BTM_BLE_APPEARANCE_GENERIC_KEYRING:
case BTM_BLE_APPEARANCE_GENERIC_CYCLING:
case BTM_BLE_APPEARANCE_CYCLING_COMPUTER:
case BTM_BLE_APPEARANCE_CYCLING_SPEED:
case BTM_BLE_APPEARANCE_CYCLING_CADENCE:
case BTM_BLE_APPEARANCE_CYCLING_POWER:
case BTM_BLE_APPEARANCE_CYCLING_SPEED_CADENCE:
case BTM_BLE_APPEARANCE_GENERIC_OUTDOOR_SPORTS:
case BTM_BLE_APPEARANCE_OUTDOOR_SPORTS_LOCATION:
case BTM_BLE_APPEARANCE_OUTDOOR_SPORTS_LOCATION_AND_NAV:
case BTM_BLE_APPEARANCE_OUTDOOR_SPORTS_LOCATION_POD:
case BTM_BLE_APPEARANCE_OUTDOOR_SPORTS_LOCATION_POD_AND_NAV:
default:
dev_class[1] = BTM_COD_MAJOR_UNCLASSIFIED;
dev_class[2] = BTM_COD_MINOR_UNCLASSIFIED;
};
}
/*******************************************************************************
**
** Function btm_ble_update_inq_result
**
** Description Update adv packet information into inquiry result.
**
** Parameters
**
** Returns void
**
*******************************************************************************/
BOOLEAN btm_ble_update_inq_result(tINQ_DB_ENT *p_i, UINT8 addr_type, UINT8 evt_type, UINT8 *p)
{
BOOLEAN to_report = TRUE;
tBTM_INQ_RESULTS *p_cur = &p_i->inq_info.results;
UINT8 len;
UINT8 *p_flag;
tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
UINT8 data_len, rssi;
tBTM_BLE_INQ_CB *p_le_inq_cb = &btm_cb.ble_ctr_cb.inq_var;
UINT8 *p1;
UINT8 *p_uuid16;
STREAM_TO_UINT8 (data_len, p);
if (data_len > BTM_BLE_ADV_DATA_LEN_MAX)
{
BTM_TRACE_WARNING("EIR data too long %d. discard", data_len);
return FALSE;
}
btm_ble_cache_adv_data(p_cur, data_len, p, evt_type);
p1 = (p + data_len);
STREAM_TO_UINT8 (rssi, p1);
/* Save the info */
p_cur->inq_result_type = BTM_INQ_RESULT_BLE;
p_cur->ble_addr_type = addr_type;
p_cur->rssi = rssi;
/* active scan, always wait until get scan_rsp to report the result */
if ((btm_cb.ble_ctr_cb.inq_var.scan_type == BTM_BLE_SCAN_MODE_ACTI &&
(evt_type == BTM_BLE_CONNECT_EVT || evt_type == BTM_BLE_DISCOVER_EVT)))
{
BTM_TRACE_DEBUG("btm_ble_update_inq_result scan_rsp=false, to_report=false,\
scan_type_active=%d", btm_cb.ble_ctr_cb.inq_var.scan_type);
p_i->scan_rsp = FALSE;
to_report = FALSE;
}
else
p_i->scan_rsp = TRUE;
if (p_i->inq_count != p_inq->inq_counter)
p_cur->device_type = BT_DEVICE_TYPE_BLE;
else
p_cur->device_type |= BT_DEVICE_TYPE_BLE;
if (evt_type != BTM_BLE_SCAN_RSP_EVT)
p_cur->ble_evt_type = evt_type;
p_i->inq_count = p_inq->inq_counter; /* Mark entry for current inquiry */
if (p_le_inq_cb->adv_len != 0)
{
if ((p_flag = BTM_CheckAdvData(p_le_inq_cb->adv_data_cache, BTM_BLE_AD_TYPE_FLAG, &len)) != NULL)
p_cur->flag = * p_flag;
}
if (p_le_inq_cb->adv_len != 0)
{
/* Check to see the BLE device has the Appearance UUID in the advertising data. If it does
* then try to convert the appearance value to a class of device value Bluedroid can use.
* Otherwise fall back to trying to infer if it is a HID device based on the service class.
*/
p_uuid16 = BTM_CheckAdvData(p_le_inq_cb->adv_data_cache, BTM_BLE_AD_TYPE_APPEARANCE, &len);
if (p_uuid16 && len == 2)
{
btm_ble_appearance_to_cod((UINT16)p_uuid16[0] | (p_uuid16[1] << 8), p_cur->dev_class);
}
else
{
if ((p_uuid16 = BTM_CheckAdvData(p_le_inq_cb->adv_data_cache,
BTM_BLE_AD_TYPE_16SRV_CMPL, &len)) != NULL)
{
UINT8 i;
for (i = 0; i + 2 <= len; i = i + 2)
{
/* if this BLE device support HID over LE, set HID Major in class of device */
if ((p_uuid16[i] | (p_uuid16[i+1] << 8)) == UUID_SERVCLASS_LE_HID)
{
p_cur->dev_class[0] = 0;
p_cur->dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
p_cur->dev_class[2] = 0;
break;
}
}
}
}
}
/* if BR/EDR not supported is not set, assume is a DUMO device */
if ((p_cur->flag & BTM_BLE_BREDR_NOT_SPT) == 0 &&
evt_type != BTM_BLE_CONNECT_DIR_EVT)
{
if (p_cur->ble_addr_type != BLE_ADDR_RANDOM)
{
BTM_TRACE_DEBUG("BR/EDR NOT support bit not set, treat as DUMO");
p_cur->device_type |= BT_DEVICE_TYPE_DUMO;
} else {
BTM_TRACE_DEBUG("Random address, treating device as LE only");
}
}
else
{
BTM_TRACE_DEBUG("BR/EDR NOT SUPPORT bit set, LE only device");
}
return to_report;
}
/*******************************************************************************
**
** Function btm_send_sel_conn_callback
**
** Description send selection connection request callback.
**
** Parameters
**
** Returns void
**
*******************************************************************************/
void btm_send_sel_conn_callback(BD_ADDR remote_bda, UINT8 evt_type, UINT8 *p_data, UINT8 addr_type)
{
UINT8 data_len, len;
UINT8 *p_dev_name, remname[31] = {0};
UNUSED(addr_type);
if (btm_cb.ble_ctr_cb.p_select_cback == NULL ||
/* non-connectable device */
(evt_type != BTM_BLE_EVT_CONN_ADV && evt_type != BTM_BLE_EVT_CONN_DIR_ADV))
return;
STREAM_TO_UINT8 (data_len, p_data);
/* get the device name if exist in ADV data */
if (data_len != 0)
{
p_dev_name = BTM_CheckAdvData(p_data, BTM_BLE_AD_TYPE_NAME_CMPL, &len);
if (p_dev_name == NULL)
p_dev_name = BTM_CheckAdvData(p_data, BTM_BLE_AD_TYPE_NAME_SHORT, &len);
if (p_dev_name)
memcpy(remname, p_dev_name, len);
}
/* allow connection */
if ((* btm_cb.ble_ctr_cb.p_select_cback)(remote_bda, remname))
{
/* terminate selective connection, initiate connection */
btm_ble_initiate_select_conn(remote_bda);
}
}
/*******************************************************************************
**
** Function btm_ble_process_adv_pkt
**
** Description This function is called when adv packet report events are
** received from the device. It updates the inquiry database.
** If the inquiry database is full, the oldest entry is discarded.
**
** Parameters
**
** Returns void
**
*******************************************************************************/
void btm_ble_process_adv_pkt (UINT8 *p_data)
{
BD_ADDR bda;
UINT8 evt_type = 0, *p = p_data;
UINT8 addr_type = 0;
UINT8 num_reports;
UINT8 data_len;
#if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
BOOLEAN match = FALSE;
#endif
/* Extract the number of reports in this event. */
STREAM_TO_UINT8(num_reports, p);
while (num_reports--)
{
/* Extract inquiry results */
STREAM_TO_UINT8 (evt_type, p);
STREAM_TO_UINT8 (addr_type, p);
STREAM_TO_BDADDR (bda, p);
#ifdef BTM_BLE_PC_ADV_TEST_MODE /* For general stack code (e.g. BTInsight testing), we simply do not define it to exclude or set it to TRUE to include */
if (BTM_BLE_PC_ADV_TEST_MODE) /* For stack component, it is always defined and maps to a global variable g_bDraculaAdvertisingMode */
{
if (btm_cb.ble_ctr_cb.p_scan_req_cback)
(*btm_cb.ble_ctr_cb.p_scan_req_cback)(bda, addr_type, evt_type);
}
#endif
#if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
/* map address to security record */
btm_public_addr_to_random_pseudo(bda, &addr_type);
BTM_TRACE_ERROR("new address: %02x:%02x:%02x:%02x:%02x:%02x",
bda[0], bda[1], bda[2], bda[3], bda[4], bda[5]);
#endif
/* Only process the results if the inquiry is still active */
if (!BTM_BLE_IS_SCAN_ACTIVE(btm_cb.ble_ctr_cb.scan_activity))
return;
BTM_TRACE_DEBUG("btm_ble_process_adv_pkt:bda= %0x:%0x:%0x:%0x:%0x:%0x",
bda[0],bda[1],bda[2],bda[3],bda[4],bda[5]);
#if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
#if SMP_INCLUDED == TRUE
/* always do RRA resolution on host */
if (!match && BTM_BLE_IS_RESOLVE_BDA(bda))
{
btm_ble_resolve_random_addr(bda, btm_ble_resolve_random_addr_on_adv, p_data);
}
else
#endif
#endif
{
btm_ble_process_adv_pkt_cont(bda, addr_type, evt_type, p);
}
STREAM_TO_UINT8(data_len, p);
/* Advance to the next event data_len + rssi byte */
p += data_len + 1;
}
}
/*******************************************************************************
**
** Function btm_ble_process_adv_pkt_cont
**
** Description This function is called after random address resolution is
** done, and proceed to process adv packet.
**
** Parameters
**
** Returns void
**
*******************************************************************************/
static void btm_ble_process_adv_pkt_cont(BD_ADDR bda, UINT8 addr_type, UINT8 evt_type, UINT8 *p)
{
tINQ_DB_ENT *p_i;
tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
tBTM_INQ_RESULTS_CB *p_inq_results_cb = p_inq->p_inq_results_cb;
tBTM_INQ_RESULTS_CB *p_obs_results_cb = btm_cb.ble_ctr_cb.p_obs_results_cb;
tBTM_BLE_INQ_CB *p_le_inq_cb = &btm_cb.ble_ctr_cb.inq_var;
BOOLEAN update = TRUE;
UINT8 result = 0;
p_i = btm_inq_db_find (bda);
/* Check if this address has already been processed for this inquiry */
if (btm_inq_find_bdaddr(bda))
{
/* never been report as an LE device */
if (p_i &&
(!(p_i->inq_info.results.device_type & BT_DEVICE_TYPE_BLE) ||
/* scan repsonse to be updated */
(!p_i->scan_rsp)))
{
update = TRUE;
}
else if (BTM_BLE_IS_OBS_ACTIVE(btm_cb.ble_ctr_cb.scan_activity))
{
update = FALSE;
}
else
{
/* if yes, skip it */
return; /* assumption: one result per event */
}
}
/* If existing entry, use that, else get a new one (possibly reusing the oldest) */
if (p_i == NULL)
{
if ((p_i = btm_inq_db_new (bda)) != NULL)
{
p_inq->inq_cmpl_info.num_resp++;
}
else
return;
}
else if (p_i->inq_count != p_inq->inq_counter) /* first time seen in this inquiry */
{
p_inq->inq_cmpl_info.num_resp++;
}
/* update the LE device information in inquiry database */
if (!btm_ble_update_inq_result(p_i, addr_type, evt_type, p))
return;
if ((result = btm_ble_is_discoverable(bda, evt_type, p)) == 0)
{
BTM_TRACE_ERROR("discard adv pkt");
return;
}
if (!update)
result &= ~BTM_BLE_INQ_RESULT;
#if BTM_USE_INQ_RESULTS_FILTER == TRUE
/* If the number of responses found and limited, issue a cancel inquiry */
if (p_inq->inqparms.max_resps &&
p_inq->inq_cmpl_info.num_resp == p_inq->inqparms.max_resps)
{
/* new device */
if (p_i == NULL ||
(/* assume a DUMO device, BR/EDR inquiry is always active */
p_i && p_i->inq_info.results.device_type == BT_DEVICE_TYPE_BLE && p_i->scan_rsp))
{
BTM_TRACE_WARNING("INQ RES: Extra Response Received...cancelling inquiry..");
/* if is non-periodic inquiry active, cancel now */
if ((p_inq->inq_active & BTM_BR_INQ_ACTIVE_MASK) != 0 &&
(p_inq->inq_active & BTM_PERIODIC_INQUIRY_ACTIVE) == 0)
btsnd_hcic_inq_cancel();
btm_ble_stop_inquiry();
#if BTM_BUSY_LEVEL_CHANGE_INCLUDED == TRUE
btm_acl_update_busy_level (BTM_BLI_INQ_DONE_EVT);
#endif
}
}
#endif
/* background connection in selective connection mode */
if (btm_cb.ble_ctr_cb.bg_conn_type == BTM_BLE_CONN_SELECTIVE)
{
if (result & BTM_BLE_SEL_CONN_RESULT)
btm_send_sel_conn_callback(bda, evt_type, p, addr_type);
else
{
BTM_TRACE_DEBUG("None LE device, can not initiate selective connection");
}
}
else
{
if (p_inq_results_cb && (result & BTM_BLE_INQ_RESULT))
{
(p_inq_results_cb)((tBTM_INQ_RESULTS *) &p_i->inq_info.results, p_le_inq_cb->adv_data_cache);
}
if (p_obs_results_cb && (result & BTM_BLE_OBS_RESULT))
{
(p_obs_results_cb)((tBTM_INQ_RESULTS *) &p_i->inq_info.results, p_le_inq_cb->adv_data_cache);
}
}
}
/*******************************************************************************
**
** Function btm_ble_start_scan
**
** Description Start the BLE scan.
**
** Returns void
**
*******************************************************************************/
tBTM_STATUS btm_ble_start_scan (UINT8 filter_enable)
{
tBTM_BLE_INQ_CB *p_inq = &btm_cb.ble_ctr_cb.inq_var;
tBTM_STATUS status = BTM_CMD_STARTED;
/* start scan, disable duplicate filtering */
if (!btsnd_hcic_ble_set_scan_enable (BTM_BLE_SCAN_ENABLE, filter_enable)) {
status = BTM_NO_RESOURCES;
btm_cb.ble_ctr_cb.wl_state &= ~BTM_BLE_WL_SCAN;
}
else
{
btm_cb.ble_ctr_cb.wl_state |= BTM_BLE_WL_SCAN;
if (p_inq->scan_type == BTM_BLE_SCAN_MODE_ACTI)
btm_ble_set_topology_mask(BTM_BLE_STATE_ACTIVE_SCAN_BIT);
else
btm_ble_set_topology_mask(BTM_BLE_STATE_PASSIVE_SCAN_BIT);
}
return status;
}
/*******************************************************************************
**
** Function btm_ble_stop_scan
**
** Description Stop the BLE scan.
**
** Returns void
**
*******************************************************************************/
void btm_ble_stop_scan(void)
{
BTM_TRACE_EVENT ("btm_ble_stop_scan ");
/* Clear the inquiry callback if set */
btm_cb.ble_ctr_cb.inq_var.scan_type = BTM_BLE_SCAN_MODE_NONE;
/* stop discovery now */
btsnd_hcic_ble_set_scan_enable (BTM_BLE_SCAN_DISABLE, BTM_BLE_DUPLICATE_ENABLE);
btm_update_scanner_filter_policy(SP_ADV_ALL);
btm_cb.ble_ctr_cb.wl_state &= ~BTM_BLE_WL_SCAN;
}
/*******************************************************************************
**
** Function btm_ble_stop_inquiry
**
** Description Stop the BLE Inquiry.
**
** Returns void
**
*******************************************************************************/
void btm_ble_stop_inquiry(void)
{
tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
tBTM_BLE_CB *p_ble_cb = &btm_cb.ble_ctr_cb;
btu_stop_timer (&p_ble_cb->inq_var.inq_timer_ent);
p_ble_cb->scan_activity &= ~BTM_BLE_INQUIRY_MASK;
/* If no more scan activity, stop LE scan now */
if (!BTM_BLE_IS_SCAN_ACTIVE(p_ble_cb->scan_activity))
btm_ble_stop_scan();
/* If we have a callback registered for inquiry complete, call it */
BTM_TRACE_DEBUG ("BTM Inq Compl Callback: status 0x%02x, num results %d",
p_inq->inq_cmpl_info.status, p_inq->inq_cmpl_info.num_resp);
btm_process_inq_complete(HCI_SUCCESS, (UINT8)(p_inq->inqparms.mode & BTM_BLE_INQUIRY_MASK));
}
/*******************************************************************************
**
** Function btm_ble_stop_observe
**
** Description Stop the BLE Observe.
**
** Returns void
**
*******************************************************************************/
static void btm_ble_stop_observe(void)
{
tBTM_BLE_CB *p_ble_cb = & btm_cb.ble_ctr_cb;
tBTM_CMPL_CB *p_obs_cb = p_ble_cb->p_obs_cmpl_cb;
btu_stop_timer (&p_ble_cb->obs_timer_ent);
p_ble_cb->scan_activity &= ~BTM_LE_OBSERVE_ACTIVE;
p_ble_cb->p_obs_results_cb = NULL;
p_ble_cb->p_obs_cmpl_cb = NULL;
if (!BTM_BLE_IS_SCAN_ACTIVE(p_ble_cb->scan_activity))
btm_ble_stop_scan();
if (p_obs_cb)
(p_obs_cb)((tBTM_INQUIRY_CMPL *) &btm_cb.btm_inq_vars.inq_cmpl_info);
}
/*******************************************************************************
**
** Function btm_ble_adv_states_operation
**
** Description Set or clear adv states in topology mask
**
** Returns operation status. TRUE if sucessful, FALSE otherwise.
**
*******************************************************************************/
typedef BOOLEAN (BTM_TOPOLOGY_FUNC_PTR)(tBTM_BLE_STATE_MASK);
static BOOLEAN btm_ble_adv_states_operation(BTM_TOPOLOGY_FUNC_PTR *p_handler, UINT8 adv_evt)
{
BOOLEAN rt = FALSE;
switch (adv_evt)
{
case BTM_BLE_CONNECT_EVT:
rt = (*p_handler)(BTM_BLE_STATE_CONN_ADV_BIT);
break;
case BTM_BLE_NON_CONNECT_EVT:
rt = (*p_handler) (BTM_BLE_STATE_NON_CONN_ADV_BIT);
break;
case BTM_BLE_CONNECT_DIR_EVT:
rt = (*p_handler) (BTM_BLE_STATE_HI_DUTY_DIR_ADV_BIT);
break;
case BTM_BLE_DISCOVER_EVT:
rt = (*p_handler) (BTM_BLE_STATE_SCAN_ADV_BIT);
break;
default:
BTM_TRACE_ERROR("unknown adv event : %d", adv_evt);
break;
}
return rt;
}
/*******************************************************************************
**
** Function btm_ble_start_adv
**
** Description start the BLE advertising.
**
** Returns void
**
*******************************************************************************/
tBTM_STATUS btm_ble_start_adv(void)
{
tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
tBTM_STATUS rt = BTM_NO_RESOURCES;
if (!btm_ble_adv_states_operation (btm_ble_topology_check, p_cb->evt_type))
return BTM_WRONG_MODE;
if (p_cb->afp != AP_SCAN_CONN_ALL)
{
btm_execute_wl_dev_operation();
btm_cb.ble_ctr_cb.wl_state |= BTM_BLE_WL_ADV;
}
if (btsnd_hcic_ble_set_adv_enable (BTM_BLE_ADV_ENABLE))
{
if (p_cb->afp != AP_SCAN_CONN_ALL)
btm_cb.ble_ctr_cb.wl_state |= BTM_BLE_WL_ADV;
p_cb->adv_mode = BTM_BLE_ADV_ENABLE;
rt = BTM_SUCCESS;
}
else
{
p_cb->adv_mode = BTM_BLE_ADV_DISABLE;
btm_cb.ble_ctr_cb.wl_state &= ~BTM_BLE_WL_ADV;
}
return rt;
}
/*******************************************************************************
**
** Function btm_ble_stop_adv
**
** Description Stop the BLE advertising.
**
** Returns void
**
*******************************************************************************/
tBTM_STATUS btm_ble_stop_adv(void)
{
tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
tBTM_STATUS rt = BTM_SUCCESS;
if (p_cb->adv_mode == BTM_BLE_ADV_ENABLE)
{
if (btsnd_hcic_ble_set_adv_enable (BTM_BLE_ADV_DISABLE))
{
p_cb->fast_adv_on = FALSE;
p_cb->adv_mode = BTM_BLE_ADV_DISABLE;
btm_cb.ble_ctr_cb.wl_state &= ~BTM_BLE_WL_ADV;
/* clear all adv states */
btm_ble_clear_topology_mask (BTM_BLE_STATE_ALL_ADV_MASK);
}
else
rt = BTM_NO_RESOURCES;
}
return rt;
}
/*******************************************************************************
**
** Function btm_ble_set_topology_mask
**
** Description set BLE topology mask
**
** Returns TRUE is request is allowed, FALSE otherwise.
**
*******************************************************************************/
BOOLEAN btm_ble_set_topology_mask(tBTM_BLE_STATE_MASK request_state_mask)
{
BOOLEAN rt = TRUE;
request_state_mask &= BTM_BLE_STATE_ALL_MASK;
btm_cb.ble_ctr_cb.cur_states |= request_state_mask;
return rt;
}
/*******************************************************************************
**
** Function btm_ble_clear_topology_mask
**
** Description Clear BLE topology bit mask
**
** Returns TRUE is request is allowed, FALSE otherwise.
**
*******************************************************************************/
BOOLEAN btm_ble_clear_topology_mask (tBTM_BLE_STATE_MASK request_state_mask)
{
request_state_mask &= BTM_BLE_STATE_ALL_MASK;
btm_cb.ble_ctr_cb.cur_states &= ~request_state_mask;
return TRUE;
}
/*******************************************************************************
**
** Function btm_ble_update_mode_operation
**
** Description This function update the GAP role operation when a link status
** is updated.
**
** Returns void
**
*******************************************************************************/
void btm_ble_update_mode_operation(UINT8 link_role, BD_ADDR bd_addr, BOOLEAN conn_cancel)
{
tACL_CONN *pa = &btm_cb