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components/bt/host/bluedroid/stack/btm/btm_ble_batchscan.c
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/******************************************************************************
*
* Copyright (C) 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.
*
******************************************************************************/
#include <string.h>
//#include <stdio.h>
#include <stddef.h>
#include "common/bt_target.h"
#include "stack/btm_ble_api.h"
#include "stack/bt_types.h"
//#include "bt_utils.h"
#include "stack/btu.h"
#include "btm_int.h"
#include "device/controller.h"
#include "stack/hcimsgs.h"
#if (BLE_INCLUDED == TRUE)
#if BTM_DYNAMIC_MEMORY == FALSE
tBTM_BLE_BATCH_SCAN_CB ble_batchscan_cb;
tBTM_BLE_ADV_TRACK_CB ble_advtrack_cb;
#else
tBTM_BLE_BATCH_SCAN_CB *ble_batchscan_cb_ptr;
tBTM_BLE_ADV_TRACK_CB *ble_advtrack_cb_ptr;
#define ble_batchscan_cb (*ble_batchscan_cb_ptr)
#define ble_advtrack_cb (*ble_advtrack_cb_ptr)
#endif
/* length of each batch scan command */
#define BTM_BLE_BATCH_SCAN_STORAGE_CFG_LEN 4
#define BTM_BLE_BATCH_SCAN_PARAM_CONFIG_LEN 12
#define BTM_BLE_BATCH_SCAN_ENB_DISB_LEN 2
#define BTM_BLE_BATCH_SCAN_READ_RESULTS_LEN 2
#define BTM_BLE_BATCH_SCAN_CB_EVT_MASK 0xF0
#define BTM_BLE_BATCH_SCAN_SUBCODE_MASK 0x0F
/*******************************************************************************
** Local functions
*******************************************************************************/
void btm_ble_batchscan_vsc_cmpl_cback (tBTM_VSC_CMPL *p_params);
void btm_ble_batchscan_cleanup(void);
/*******************************************************************************
**
** Function btm_ble_batchscan_filter_track_adv_vse_cback
**
** Description VSE callback for batch scan, filter, and tracking events.
**
** Returns None
**
*******************************************************************************/
void btm_ble_batchscan_filter_track_adv_vse_cback(UINT8 len, UINT8 *p)
{
tBTM_BLE_TRACK_ADV_DATA adv_data;
UINT8 sub_event = 0;
tBTM_BLE_VSC_CB cmn_ble_vsc_cb;
STREAM_TO_UINT8(sub_event, p);
BTM_TRACE_EVENT("btm_ble_batchscan_filter_track_adv_vse_cback called with event:%x", sub_event);
if (HCI_VSE_SUBCODE_BLE_THRESHOLD_SUB_EVT == sub_event &&
NULL != ble_batchscan_cb.p_thres_cback) {
ble_batchscan_cb.p_thres_cback(ble_batchscan_cb.ref_value);
return;
}
if (HCI_VSE_SUBCODE_BLE_TRACKING_SUB_EVT == sub_event && NULL != ble_advtrack_cb.p_track_cback) {
if (len < 10) {
return;
}
memset(&adv_data, 0 , sizeof(tBTM_BLE_TRACK_ADV_DATA));
BTM_BleGetVendorCapabilities(&cmn_ble_vsc_cb);
adv_data.client_if = (UINT8)ble_advtrack_cb.ref_value;
if (cmn_ble_vsc_cb.version_supported > BTM_VSC_CHIP_CAPABILITY_L_VERSION) {
STREAM_TO_UINT8(adv_data.filt_index, p);
STREAM_TO_UINT8(adv_data.advertiser_state, p);
STREAM_TO_UINT8(adv_data.advertiser_info_present, p);
STREAM_TO_BDADDR(adv_data.bd_addr.address, p);
STREAM_TO_UINT8(adv_data.addr_type, p);
/* Extract the adv info details */
if (ADV_INFO_PRESENT == adv_data.advertiser_info_present) {
STREAM_TO_UINT8(adv_data.tx_power, p);
STREAM_TO_UINT8(adv_data.rssi_value, p);
STREAM_TO_UINT16(adv_data.time_stamp, p);
STREAM_TO_UINT8(adv_data.adv_pkt_len, p);
if (adv_data.adv_pkt_len > 0) {
adv_data.p_adv_pkt_data = osi_malloc(adv_data.adv_pkt_len);
memcpy(adv_data.p_adv_pkt_data, p, adv_data.adv_pkt_len);
}
STREAM_TO_UINT8(adv_data.scan_rsp_len, p);
if (adv_data.scan_rsp_len > 0) {
adv_data.p_scan_rsp_data = osi_malloc(adv_data.scan_rsp_len);
memcpy(adv_data.p_scan_rsp_data, p, adv_data.scan_rsp_len);
}
}
} else {
/* Based on L-release version */
STREAM_TO_UINT8(adv_data.filt_index, p);
STREAM_TO_UINT8(adv_data.addr_type, p);
STREAM_TO_BDADDR(adv_data.bd_addr.address, p);
STREAM_TO_UINT8(adv_data.advertiser_state, p);
}
BTM_TRACE_EVENT("track_adv_vse_cback called: %d, %d, %d", adv_data.filt_index,
adv_data.addr_type, adv_data.advertiser_state);
ble_advtrack_cb.p_track_cback(&adv_data);
return;
}
}
/*******************************************************************************
**
** Function btm_ble_batchscan_enq_op_q
**
** Description enqueue a batchscan operation in q to check command complete
** status
**
** Returns void
**
*******************************************************************************/
void btm_ble_batchscan_enq_op_q(UINT8 opcode, tBTM_BLE_BATCH_SCAN_STATE cur_state,
UINT8 cb_evt, tBTM_BLE_REF_VALUE ref_value)
{
ble_batchscan_cb.op_q.sub_code[ble_batchscan_cb.op_q.next_idx] = (opcode | (cb_evt << 4));
ble_batchscan_cb.op_q.cur_state[ble_batchscan_cb.op_q.next_idx] = cur_state;
ble_batchscan_cb.op_q.ref_value[ble_batchscan_cb.op_q.next_idx] = ref_value;
BTM_TRACE_DEBUG("btm_ble_batchscan_enq_op_q: subcode:%d, Cur_state:%d, ref_value:%d",
ble_batchscan_cb.op_q.sub_code[ble_batchscan_cb.op_q.next_idx],
ble_batchscan_cb.op_q.cur_state[ble_batchscan_cb.op_q.next_idx],
ble_batchscan_cb.op_q.ref_value[ble_batchscan_cb.op_q.next_idx]);
ble_batchscan_cb.op_q.next_idx = (ble_batchscan_cb.op_q.next_idx + 1)
% BTM_BLE_BATCH_SCAN_MAX;
}
/*******************************************************************************
**
** Function btm_ble_batchscan_enq_rep_q
**
** Description enqueue a batchscan report operation in q to check command complete
** status
**
** Returns void
**
*******************************************************************************/
tBTM_STATUS btm_ble_batchscan_enq_rep_q(UINT8 report_format, tBTM_BLE_REF_VALUE ref_value)
{
int i = 0;
for (i = 0; i < BTM_BLE_BATCH_REP_MAIN_Q_SIZE; i++) {
if (report_format == ble_batchscan_cb.main_rep_q.rep_mode[i]) {
return BTM_ILLEGAL_VALUE;
}
}
ble_batchscan_cb.main_rep_q.rep_mode[ble_batchscan_cb.main_rep_q.next_idx] = report_format;
ble_batchscan_cb.main_rep_q.ref_value[ble_batchscan_cb.main_rep_q.next_idx] = ref_value;
ble_batchscan_cb.main_rep_q.num_records[ble_batchscan_cb.main_rep_q.next_idx] = 0;
ble_batchscan_cb.main_rep_q.data_len[ble_batchscan_cb.main_rep_q.next_idx] = 0;
ble_batchscan_cb.main_rep_q.p_data[ble_batchscan_cb.main_rep_q.next_idx] = NULL;
BTM_TRACE_DEBUG("btm_ble_batchscan_enq_rep_q: index:%d, rep %d, ref %d",
ble_batchscan_cb.main_rep_q.next_idx, report_format, ref_value);
ble_batchscan_cb.main_rep_q.next_idx = (ble_batchscan_cb.main_rep_q.next_idx + 1)
% BTM_BLE_BATCH_REP_MAIN_Q_SIZE;
return BTM_SUCCESS;
}
/*******************************************************************************
**
** Function btm_ble_batchscan_enq_rep_data
**
** Description setup the data in the main report queue
**
** Returns void
**
*******************************************************************************/
void btm_ble_batchscan_enq_rep_data(UINT8 report_format, UINT8 num_records, UINT8 *p_data,
UINT8 data_len)
{
int index = 0, len = 0;
UINT8 *p_orig_data = NULL, *p_app_data = NULL;
for (index = 0; index < BTM_BLE_BATCH_REP_MAIN_Q_SIZE; index++) {
if (report_format == ble_batchscan_cb.main_rep_q.rep_mode[index]) {
break;
}
}
BTM_TRACE_DEBUG("btm_ble_batchscan_enq_rep_data: index:%d, rep %d, num %d len : %d",
index, report_format, num_records, data_len);
if (index < BTM_BLE_BATCH_REP_MAIN_Q_SIZE && data_len > 0 && num_records > 0) {
len = ble_batchscan_cb.main_rep_q.data_len[index];
p_orig_data = ble_batchscan_cb.main_rep_q.p_data[index];
if (NULL != p_orig_data) {
p_app_data = osi_malloc(len + data_len);
memcpy(p_app_data, p_orig_data, len);
memcpy(p_app_data + len, p_data, data_len);
osi_free(p_orig_data);
ble_batchscan_cb.main_rep_q.p_data[index] = p_app_data;
ble_batchscan_cb.main_rep_q.num_records[index] += num_records;
ble_batchscan_cb.main_rep_q.data_len[index] += data_len;
} else {
p_app_data = osi_malloc(data_len);
memcpy(p_app_data, p_data, data_len);
ble_batchscan_cb.main_rep_q.p_data[index] = p_app_data;
ble_batchscan_cb.main_rep_q.num_records[index] = num_records;
ble_batchscan_cb.main_rep_q.data_len[index] = data_len;
}
}
}
/*******************************************************************************
**
** Function btm_ble_batchscan_deq_rep_q
**
** Description dequeue a batchscan report in q when command complete
** is received
**
** Returns void
**
*******************************************************************************/
void btm_ble_batchscan_deq_rep_data(UINT8 report_format, tBTM_BLE_REF_VALUE *p_ref_value,
UINT8 *p_num_records, UINT8 **p_data, UINT16 *p_data_len)
{
int index = 0;
for (index = 0; index < BTM_BLE_BATCH_REP_MAIN_Q_SIZE; index++) {
if (report_format == ble_batchscan_cb.main_rep_q.rep_mode[index]) {
break;
}
}
if (BTM_BLE_BATCH_REP_MAIN_Q_SIZE == index) {
BTM_TRACE_ERROR("btm_ble_batchscan_deq_rep_data: rep_format:%d not found", report_format);
return;
}
*p_num_records = ble_batchscan_cb.main_rep_q.num_records[index];
*p_ref_value = ble_batchscan_cb.main_rep_q.ref_value[index];
*p_data = ble_batchscan_cb.main_rep_q.p_data[index];
*p_data_len = ble_batchscan_cb.main_rep_q.data_len[index];
ble_batchscan_cb.main_rep_q.p_data[index] = NULL;
ble_batchscan_cb.main_rep_q.data_len[index] = 0;
ble_batchscan_cb.main_rep_q.rep_mode[index] = 0;
ble_batchscan_cb.main_rep_q.ref_value[index] = 0;
ble_batchscan_cb.main_rep_q.num_records[index] = 0;
BTM_TRACE_DEBUG("btm_ble_batchscan_deq_rep_data: index:%d, rep %d, num %d, data_len %d",
index, report_format, *p_num_records, *p_data_len);
ble_batchscan_cb.main_rep_q.pending_idx = (ble_batchscan_cb.main_rep_q.pending_idx + 1)
% BTM_BLE_BATCH_SCAN_MAX;
}
/*******************************************************************************
**
** Function btm_ble_batchscan_deq_op_q
**
** Description dequeue a batch scan operation from q when command complete
** is received
**
** Returns void
**
*******************************************************************************/
void btm_ble_batchscan_deq_op_q(UINT8 *p_opcode, tBTM_BLE_BATCH_SCAN_STATE *cur_state,
UINT8 *p_cb_evt, tBTM_BLE_REF_VALUE *p_ref)
{
*p_cb_evt = (ble_batchscan_cb.op_q.sub_code[ble_batchscan_cb.op_q.pending_idx] >> 4);
*p_opcode = (ble_batchscan_cb.op_q.sub_code[ble_batchscan_cb.op_q.pending_idx]
& BTM_BLE_BATCH_SCAN_SUBCODE_MASK);
*p_ref = ble_batchscan_cb.op_q.ref_value[ble_batchscan_cb.op_q.pending_idx];
*cur_state = (ble_batchscan_cb.op_q.cur_state[ble_batchscan_cb.op_q.pending_idx]);
ble_batchscan_cb.op_q.pending_idx = (ble_batchscan_cb.op_q.pending_idx + 1)
% BTM_BLE_BATCH_SCAN_MAX;
}
/*******************************************************************************
**
** Function btm_ble_read_batchscan_reports
**
** Description This function reads the reports from controller
**
** Parameters scan_mode - The mode for which the reports are to be read out from the controller
** ref_value - Reference value
**
** Returns status
**
*******************************************************************************/
tBTM_STATUS btm_ble_read_batchscan_reports(tBTM_BLE_BATCH_SCAN_MODE scan_mode,
tBTM_BLE_REF_VALUE ref_value)
{
tBTM_STATUS status = BTM_NO_RESOURCES;
UINT8 param[BTM_BLE_BATCH_SCAN_READ_RESULTS_LEN], *pp;
pp = param;
memset(param, 0, BTM_BLE_BATCH_SCAN_READ_RESULTS_LEN);
UINT8_TO_STREAM (pp, BTM_BLE_BATCH_SCAN_READ_RESULTS);
UINT8_TO_STREAM (pp, scan_mode);
if ((status = BTM_VendorSpecificCommand (HCI_BLE_BATCH_SCAN_OCF,
BTM_BLE_BATCH_SCAN_READ_RESULTS_LEN, param, btm_ble_batchscan_vsc_cmpl_cback))
!= BTM_CMD_STARTED) {
BTM_TRACE_ERROR("btm_ble_read_batchscan_reports %d", status);
return BTM_ILLEGAL_VALUE;
}
if (BTM_CMD_STARTED == status) {
/* The user needs to be provided scan read reports event */
btm_ble_batchscan_enq_op_q(BTM_BLE_BATCH_SCAN_READ_RESULTS, ble_batchscan_cb.cur_state,
BTM_BLE_BATCH_SCAN_READ_REPTS_EVT, ref_value);
}
return status;
}
/*******************************************************************************
**
** Function btm_ble_batchscan_vsc_cmpl_cback
**
** Description Batch scan VSC complete callback
**
** Parameters p_params - VSC completed callback parameters
**
** Returns void
**
*******************************************************************************/
void btm_ble_batchscan_vsc_cmpl_cback (tBTM_VSC_CMPL *p_params)
{
UINT8 *p = p_params->p_param_buf;
UINT16 len = p_params->param_len;
tBTM_BLE_REF_VALUE ref_value = 0;
UINT8 status = 0, subcode = 0, opcode = 0;
UINT8 report_format = 0, num_records = 0, cb_evt = 0;
UINT16 data_len = 0;
tBTM_BLE_BATCH_SCAN_STATE cur_state = 0;
tBTM_STATUS btm_status = 0;
UINT8 *p_data = NULL;
if (len < 2) {
BTM_TRACE_ERROR("wrong length for btm_ble_batch_scan_vsc_cmpl_cback");
btm_ble_batchscan_deq_op_q(&opcode, &cur_state, &cb_evt, &ref_value);
return;
}
STREAM_TO_UINT8(status, p);
STREAM_TO_UINT8(subcode, p);
btm_ble_batchscan_deq_op_q(&opcode, &cur_state, &cb_evt, &ref_value);
BTM_TRACE_DEBUG("btm_ble_batchscan op_code = %02x state = %02x cb_evt = %02x,ref_value=%d",
opcode, cur_state, cb_evt, ref_value);
if (opcode != subcode) {
BTM_TRACE_ERROR("Got unexpected VSC cmpl, expected: %d got: %d", subcode, opcode);
return;
}
switch (subcode) {
case BTM_BLE_BATCH_SCAN_ENB_DISAB_CUST_FEATURE: {
if (BTM_SUCCESS == status && BTM_BLE_SCAN_ENABLE_CALLED == cur_state) {
ble_batchscan_cb.cur_state = BTM_BLE_SCAN_ENABLED_STATE;
} else if (BTM_BLE_SCAN_ENABLE_CALLED == cur_state) {
BTM_TRACE_ERROR("SCAN_ENB_DISAB_CUST_FEATURE - Invalid state after enb");
ble_batchscan_cb.cur_state = BTM_BLE_SCAN_INVALID_STATE;
}
BTM_TRACE_DEBUG("BTM_BLE_BATCH_SCAN_ENB_DISAB_CUST_FEAT status = %d, state: %d,evt=%d",
status, ble_batchscan_cb.cur_state, cb_evt);
if (cb_evt != 0 && NULL != ble_batchscan_cb.p_setup_cback) {
ble_batchscan_cb.p_setup_cback(cb_evt, ref_value, status);
}
break;
}
case BTM_BLE_BATCH_SCAN_SET_STORAGE_PARAM: {
BTM_TRACE_DEBUG("BTM_BLE_BATCH_SCAN_SET_STORAGE_PARAM status = %d, evt=%d",
status, cb_evt);
if (cb_evt != 0 && NULL != ble_batchscan_cb.p_setup_cback) {
ble_batchscan_cb.p_setup_cback(cb_evt, ref_value, status);
}
break;
}
case BTM_BLE_BATCH_SCAN_SET_PARAMS: {
BTM_TRACE_DEBUG("BTM_BLE_BATCH_SCAN_SET_PARAMS status = %d,evt=%d", status, cb_evt);
if (BTM_BLE_SCAN_DISABLE_CALLED == cur_state) {
if (BTM_SUCCESS == status) {
ble_batchscan_cb.cur_state = BTM_BLE_SCAN_DISABLED_STATE;
} else {
BTM_TRACE_ERROR("BTM_BLE_BATCH_SCAN_SET_PARAMS - Invalid state after disabled");
ble_batchscan_cb.cur_state = BTM_BLE_SCAN_INVALID_STATE;
}
}
if (cb_evt != 0 && NULL != ble_batchscan_cb.p_setup_cback) {
ble_batchscan_cb.p_setup_cback(cb_evt, ref_value, status);
}
break;
}
case BTM_BLE_BATCH_SCAN_READ_RESULTS: {
if (cb_evt != 0 && NULL != ble_batchscan_cb.p_scan_rep_cback) {
STREAM_TO_UINT8(report_format, p);
STREAM_TO_UINT8(num_records, p);
p = (uint8_t *)(p_params->p_param_buf + 4);
BTM_TRACE_DEBUG("BTM_BLE_BATCH_SCAN_READ_RESULTS status=%d,len=%d,rec=%d",
status, len - 4, num_records);
if (0 == num_records) {
btm_ble_batchscan_deq_rep_data(report_format, &ref_value, &num_records,
&p_data, &data_len);
if (NULL != ble_batchscan_cb.p_scan_rep_cback) {
ble_batchscan_cb.p_scan_rep_cback(ref_value, report_format, num_records,
data_len, p_data, status);
}
} else {
if ((len - 4) > 0) {
btm_ble_batchscan_enq_rep_data(report_format, num_records, p, len - 4);
/* More records could be in the buffer and needs to be pulled out */
btm_status = btm_ble_read_batchscan_reports(report_format, ref_value);
if (BTM_CMD_STARTED != btm_status) {
btm_ble_batchscan_deq_rep_data(report_format, &ref_value, &num_records,
&p_data, &data_len);
/* Send whatever is available, in case of a command failure */
if (NULL != ble_batchscan_cb.p_scan_rep_cback && NULL != p_data) {
ble_batchscan_cb.p_scan_rep_cback(ref_value, report_format,
num_records, data_len, p_data, status);
}
}
}
}
}
break;
}
default:
break;
}
return;
}
/*******************************************************************************
**
** Function btm_ble_set_storage_config
**
** Description This function writes the storage configuration in controller
**
** Parameters batch_scan_full_max -Max storage space (in %) allocated to full scanning
** batch_scan_trunc_max -Max storage space (in %) allocated to truncated scanning
** batch_scan_notify_threshold - Setup notification level based on total space
**
** Returns status
**
*******************************************************************************/
tBTM_STATUS btm_ble_set_storage_config(UINT8 batch_scan_full_max, UINT8 batch_scan_trunc_max,
UINT8 batch_scan_notify_threshold)
{
tBTM_STATUS status = BTM_NO_RESOURCES;
UINT8 param[BTM_BLE_BATCH_SCAN_STORAGE_CFG_LEN], *pp;
pp = param;
memset(param, 0, BTM_BLE_BATCH_SCAN_STORAGE_CFG_LEN);
UINT8_TO_STREAM (pp, BTM_BLE_BATCH_SCAN_SET_STORAGE_PARAM);
UINT8_TO_STREAM (pp, batch_scan_full_max);
UINT8_TO_STREAM (pp, batch_scan_trunc_max);
UINT8_TO_STREAM (pp, batch_scan_notify_threshold);
if ((status = BTM_VendorSpecificCommand (HCI_BLE_BATCH_SCAN_OCF,
BTM_BLE_BATCH_SCAN_STORAGE_CFG_LEN, param,
btm_ble_batchscan_vsc_cmpl_cback)) != BTM_CMD_STARTED) {
BTM_TRACE_ERROR("btm_ble_set_storage_config %d", status);
return BTM_ILLEGAL_VALUE;
}
return status;
}
/*******************************************************************************
**
** Function btm_ble_set_batchscan_param
**
** Description This function writes the batch scan params in controller
**
** Parameters scan_mode -Batch scan mode
** scan_interval - Scan interval
** scan_window - Scan window
** discard_rule -Discard rules
** addr_type - Address type
**
** Returns status
**
*******************************************************************************/
tBTM_STATUS btm_ble_set_batchscan_param(tBTM_BLE_BATCH_SCAN_MODE scan_mode,
UINT32 scan_interval, UINT32 scan_window, tBLE_ADDR_TYPE addr_type,
tBTM_BLE_DISCARD_RULE discard_rule)
{
tBTM_STATUS status = BTM_NO_RESOURCES;
UINT8 scan_param[BTM_BLE_BATCH_SCAN_PARAM_CONFIG_LEN], *pp_scan;
pp_scan = scan_param;
memset(scan_param, 0, BTM_BLE_BATCH_SCAN_PARAM_CONFIG_LEN);
// Override param and decide addr_type based on own addr type
// TODO: Remove upper layer parameter?
addr_type = btm_cb.ble_ctr_cb.addr_mgnt_cb.own_addr_type;
UINT8_TO_STREAM (pp_scan, BTM_BLE_BATCH_SCAN_SET_PARAMS);
UINT8_TO_STREAM (pp_scan, scan_mode);
UINT32_TO_STREAM (pp_scan, scan_window);
UINT32_TO_STREAM (pp_scan, scan_interval);
UINT8_TO_STREAM (pp_scan, addr_type);
UINT8_TO_STREAM (pp_scan, discard_rule);
if ((status = BTM_VendorSpecificCommand (HCI_BLE_BATCH_SCAN_OCF,
BTM_BLE_BATCH_SCAN_PARAM_CONFIG_LEN,
scan_param, btm_ble_batchscan_vsc_cmpl_cback)) != BTM_CMD_STARTED) {
BTM_TRACE_ERROR("btm_ble_set_batchscan_param %d", status);
return BTM_ILLEGAL_VALUE;
}
return status;
}
/*******************************************************************************
**
** Function btm_ble_enable_disable_batchscan
**
** Description This function enables the customer specific feature in controller
**
** Parameters enable_disable: true - enable, false - disable
**
** Returns status
**
*******************************************************************************/
tBTM_STATUS btm_ble_enable_disable_batchscan(BOOLEAN should_enable)
{
tBTM_STATUS status = BTM_NO_RESOURCES;
UINT8 shld_enable = 0x01;
UINT8 enable_param[BTM_BLE_BATCH_SCAN_ENB_DISB_LEN], *pp_enable;
if (!should_enable) {
shld_enable = 0x00;
}
if (should_enable) {
pp_enable = enable_param;
memset(enable_param, 0, BTM_BLE_BATCH_SCAN_ENB_DISB_LEN);
UINT8_TO_STREAM (pp_enable, BTM_BLE_BATCH_SCAN_ENB_DISAB_CUST_FEATURE);
UINT8_TO_STREAM (pp_enable, shld_enable);
if ((status = BTM_VendorSpecificCommand(HCI_BLE_BATCH_SCAN_OCF,
BTM_BLE_BATCH_SCAN_ENB_DISB_LEN, enable_param,
btm_ble_batchscan_vsc_cmpl_cback)) != BTM_CMD_STARTED) {
status = BTM_MODE_UNSUPPORTED;
BTM_TRACE_ERROR("btm_ble_enable_disable_batchscan %d", status);
return BTM_ILLEGAL_VALUE;
}
} else if ((status = btm_ble_set_batchscan_param(BTM_BLE_BATCH_SCAN_MODE_DISABLE,
ble_batchscan_cb.scan_interval, ble_batchscan_cb.scan_window,
ble_batchscan_cb.addr_type, ble_batchscan_cb.discard_rule)) != BTM_CMD_STARTED) {
status = BTM_MODE_UNSUPPORTED;
BTM_TRACE_ERROR("btm_ble_enable_disable_batchscan %d", status);
return BTM_ILLEGAL_VALUE;
}
if (should_enable) {
ble_batchscan_cb.cur_state = BTM_BLE_SCAN_ENABLE_CALLED;
} else {
ble_batchscan_cb.cur_state = BTM_BLE_SCAN_DISABLE_CALLED;
}
return status;
}
/*******************************************************************************
**
** Function BTM_BleSetStorageConfig
**
** Description This function is called to write storage config params.
**
** Parameters: batch_scan_full_max - Max storage space (in %) allocated to full style
** batch_scan_trunc_max - Max storage space (in %) allocated to trunc style
** batch_scan_notify_threshold - Setup notification level based on total space
** p_setup_cback - Setup callback pointer
** p_thres_cback - Threshold callback pointer
** p_rep_cback - Reports callback pointer
** ref_value - Reference value
**
** Returns tBTM_STATUS
**
*******************************************************************************/
tBTM_STATUS BTM_BleSetStorageConfig(UINT8 batch_scan_full_max, UINT8 batch_scan_trunc_max,
UINT8 batch_scan_notify_threshold,
tBTM_BLE_SCAN_SETUP_CBACK *p_setup_cback,
tBTM_BLE_SCAN_THRESHOLD_CBACK *p_thres_cback,
tBTM_BLE_SCAN_REP_CBACK *p_rep_cback,
tBTM_BLE_REF_VALUE ref_value)
{
tBTM_STATUS status = BTM_NO_RESOURCES;
tBTM_BLE_VSC_CB cmn_ble_vsc_cb;
BTM_TRACE_EVENT (" BTM_BleSetStorageConfig: %d, %d, %d, %d, %d",
ble_batchscan_cb.cur_state, ref_value, batch_scan_full_max, batch_scan_trunc_max,
batch_scan_notify_threshold);
if (!controller_get_interface()->supports_ble()) {
return BTM_ILLEGAL_VALUE;
}
BTM_BleGetVendorCapabilities(&cmn_ble_vsc_cb);
if (0 == cmn_ble_vsc_cb.tot_scan_results_strg) {
BTM_TRACE_ERROR("Controller does not support batch scan");
return BTM_ERR_PROCESSING;
}
ble_batchscan_cb.p_setup_cback = p_setup_cback;
ble_batchscan_cb.p_thres_cback = p_thres_cback;
ble_batchscan_cb.p_scan_rep_cback = p_rep_cback;
ble_batchscan_cb.ref_value = ref_value;
if (batch_scan_full_max > BTM_BLE_ADV_SCAN_FULL_MAX ||
batch_scan_trunc_max > BTM_BLE_ADV_SCAN_TRUNC_MAX ||
batch_scan_notify_threshold > BTM_BLE_ADV_SCAN_THR_MAX) {
BTM_TRACE_ERROR("Illegal set storage config params");
return BTM_ILLEGAL_VALUE;
}
if (BTM_BLE_SCAN_INVALID_STATE == ble_batchscan_cb.cur_state ||
BTM_BLE_SCAN_DISABLED_STATE == ble_batchscan_cb.cur_state ||
BTM_BLE_SCAN_DISABLE_CALLED == ble_batchscan_cb.cur_state) {
status = btm_ble_enable_disable_batchscan(TRUE);
if (BTM_CMD_STARTED != status) {
return status;
}
ble_batchscan_cb.cur_state = BTM_BLE_SCAN_ENABLE_CALLED;
btm_ble_batchscan_enq_op_q(BTM_BLE_BATCH_SCAN_ENB_DISAB_CUST_FEATURE,
BTM_BLE_SCAN_ENABLE_CALLED, 0, ref_value);
}
status = btm_ble_set_storage_config(batch_scan_full_max, batch_scan_trunc_max,
batch_scan_notify_threshold);
if (BTM_CMD_STARTED != status) {
return status;
}
/* The user needs to be provided scan config storage event */
btm_ble_batchscan_enq_op_q(BTM_BLE_BATCH_SCAN_SET_STORAGE_PARAM, ble_batchscan_cb.cur_state,
BTM_BLE_BATCH_SCAN_CFG_STRG_EVT, ref_value);
return status;
}
/*******************************************************************************
**
** Function BTM_BleEnableBatchScan
**
** Description This function is called to configure and enable batch scanning
**
** Parameters: scan_mode -Batch scan mode
** scan_interval - Scan interval value
** scan_window - Scan window value
** discard_rule - Data discard rule
** ref_value - Reference value
**
** Returns tBTM_STATUS
**
*******************************************************************************/
tBTM_STATUS BTM_BleEnableBatchScan(tBTM_BLE_BATCH_SCAN_MODE scan_mode,
UINT32 scan_interval, UINT32 scan_window, tBLE_ADDR_TYPE addr_type,
tBTM_BLE_DISCARD_RULE discard_rule, tBTM_BLE_REF_VALUE ref_value)
{
tBTM_STATUS status = BTM_NO_RESOURCES;
tBTM_BLE_VSC_CB cmn_ble_vsc_cb;
BTM_TRACE_EVENT (" BTM_BleEnableBatchScan: %d, %d, %d, %d, %d, %d",
scan_mode, scan_interval, scan_window, addr_type, discard_rule, ref_value);
if (!controller_get_interface()->supports_ble()) {
return BTM_ILLEGAL_VALUE;
}
BTM_BleGetVendorCapabilities(&cmn_ble_vsc_cb);
if (0 == cmn_ble_vsc_cb.tot_scan_results_strg) {
BTM_TRACE_ERROR("Controller does not support batch scan");
return BTM_ERR_PROCESSING;
}
BTM_TRACE_DEBUG("BTM_BleEnableBatchScan: %d, %x, %x, %d, %d", scan_mode, scan_interval,
scan_window, discard_rule, ble_batchscan_cb.cur_state);
/* Only 16 bits will be used for scan interval and scan window as per agreement with Google */
/* So the standard LE range would suffice for scan interval and scan window */
if ((BTM_BLE_ISVALID_PARAM(scan_interval, BTM_BLE_SCAN_INT_MIN, BTM_BLE_SCAN_INT_MAX) ||
BTM_BLE_ISVALID_PARAM(scan_window, BTM_BLE_SCAN_WIN_MIN, BTM_BLE_SCAN_WIN_MAX))
&& (BTM_BLE_BATCH_SCAN_MODE_PASS == scan_mode || BTM_BLE_BATCH_SCAN_MODE_ACTI == scan_mode
|| BTM_BLE_BATCH_SCAN_MODE_PASS_ACTI == scan_mode)
&& (BTM_BLE_DISCARD_OLD_ITEMS == discard_rule ||
BTM_BLE_DISCARD_LOWER_RSSI_ITEMS == discard_rule)) {
if (BTM_BLE_SCAN_INVALID_STATE == ble_batchscan_cb.cur_state ||
BTM_BLE_SCAN_DISABLED_STATE == ble_batchscan_cb.cur_state ||
BTM_BLE_SCAN_DISABLE_CALLED == ble_batchscan_cb.cur_state) {
status = btm_ble_enable_disable_batchscan(TRUE);
if (BTM_CMD_STARTED != status) {
return status;
}
btm_ble_batchscan_enq_op_q(BTM_BLE_BATCH_SCAN_ENB_DISAB_CUST_FEATURE,
BTM_BLE_SCAN_ENABLE_CALLED, 0, ref_value);
}
ble_batchscan_cb.scan_mode = scan_mode;
ble_batchscan_cb.scan_interval = scan_interval;
ble_batchscan_cb.scan_window = scan_window;
ble_batchscan_cb.addr_type = addr_type;
ble_batchscan_cb.discard_rule = discard_rule;
/* This command starts batch scanning, if enabled */
status = btm_ble_set_batchscan_param(scan_mode, scan_interval, scan_window, addr_type,
discard_rule);
if (BTM_CMD_STARTED != status) {
return status;
}
/* The user needs to be provided scan enable event */
btm_ble_batchscan_enq_op_q(BTM_BLE_BATCH_SCAN_SET_PARAMS, ble_batchscan_cb.cur_state,
BTM_BLE_BATCH_SCAN_ENABLE_EVT, ref_value);
} else {
BTM_TRACE_ERROR("Illegal enable scan params");
return BTM_ILLEGAL_VALUE;
}
return status;
}
/*******************************************************************************
**
** Function BTM_BleDisableBatchScan
**
** Description This function is called to disable batch scanning
**
** Parameters: ref_value - Reference value
**
** Returns tBTM_STATUS
**
*******************************************************************************/
tBTM_STATUS BTM_BleDisableBatchScan(tBTM_BLE_REF_VALUE ref_value)
{
tBTM_STATUS status = BTM_NO_RESOURCES;
tBTM_BLE_VSC_CB cmn_ble_vsc_cb;
BTM_TRACE_EVENT (" BTM_BleDisableBatchScan");
if (!controller_get_interface()->supports_ble()) {
return BTM_ILLEGAL_VALUE;
}
BTM_BleGetVendorCapabilities(&cmn_ble_vsc_cb);
if (0 == cmn_ble_vsc_cb.tot_scan_results_strg) {
BTM_TRACE_ERROR("Controller does not support batch scan");
return BTM_ERR_PROCESSING;
}
status = btm_ble_enable_disable_batchscan(FALSE);
if (BTM_CMD_STARTED == status) {
/* The user needs to be provided scan disable event */
btm_ble_batchscan_enq_op_q(BTM_BLE_BATCH_SCAN_SET_PARAMS,
BTM_BLE_SCAN_DISABLE_CALLED, BTM_BLE_BATCH_SCAN_DISABLE_EVT,
ref_value);
}
return status;
}
/*******************************************************************************
**
** Function BTM_BleReadScanReports
**
** Description This function is called to start reading batch scan reports
**
** Parameters: scan_mode - Batch scan mode
** ref_value - Reference value
**
** Returns tBTM_STATUS
**
*******************************************************************************/
tBTM_STATUS BTM_BleReadScanReports(tBTM_BLE_BATCH_SCAN_MODE scan_mode,
tBTM_BLE_REF_VALUE ref_value)
{
tBTM_STATUS status = BTM_NO_RESOURCES;
tBTM_BLE_VSC_CB cmn_ble_vsc_cb;
UINT8 read_scan_mode = 0;
UINT8 *p_data = NULL, num_records = 0;
UINT16 data_len = 0;
BTM_TRACE_EVENT (" BTM_BleReadScanReports; %d, %d", scan_mode, ref_value);
if (!controller_get_interface()->supports_ble()) {
return BTM_ILLEGAL_VALUE;
}
BTM_BleGetVendorCapabilities(&cmn_ble_vsc_cb);
if (0 == cmn_ble_vsc_cb.tot_scan_results_strg) {
BTM_TRACE_ERROR("Controller does not support batch scan");
return BTM_ERR_PROCESSING;
}
/* Check if the requested scan mode has already been setup by the user */
read_scan_mode = ble_batchscan_cb.scan_mode & BTM_BLE_BATCH_SCAN_MODE_ACTI;
if (0 == read_scan_mode) {
read_scan_mode = ble_batchscan_cb.scan_mode & BTM_BLE_BATCH_SCAN_MODE_PASS;
}
/* Check only for modes, as scan reports can be called after disabling batch scan */
if (read_scan_mode > 0 && (BTM_BLE_BATCH_SCAN_MODE_PASS == scan_mode ||
BTM_BLE_BATCH_SCAN_MODE_ACTI == scan_mode)) {
status = btm_ble_batchscan_enq_rep_q(scan_mode, ref_value);
if (BTM_SUCCESS == status) {
status = btm_ble_read_batchscan_reports(scan_mode, ref_value);
if (BTM_CMD_STARTED != status) {
btm_ble_batchscan_deq_rep_data(scan_mode, &ref_value,
&num_records, &p_data, &data_len);
}
}
} else {
BTM_TRACE_ERROR("Illegal read scan params: %d, %d, %d", read_scan_mode, scan_mode,
ble_batchscan_cb.cur_state);
return BTM_ILLEGAL_VALUE;
}
return status;
}
/*******************************************************************************
**
** Function BTM_BleTrackAdvertiser
**
** Description This function is called to setup the callback for tracking advertisers
**
** Parameters: p_track_cback - Tracking callback pointer
** ref_value - Reference value
**
** Returns tBTM_STATUS
**
*******************************************************************************/
tBTM_STATUS BTM_BleTrackAdvertiser(tBTM_BLE_TRACK_ADV_CBACK *p_track_cback,
tBTM_BLE_REF_VALUE ref_value)
{
tBTM_BLE_VSC_CB cmn_ble_vsc_cb;
BTM_TRACE_EVENT (" BTM_BleTrackAdvertiser");
if (!controller_get_interface()->supports_ble()) {
return BTM_ILLEGAL_VALUE;
}
BTM_BleGetVendorCapabilities(&cmn_ble_vsc_cb);
if (0 == cmn_ble_vsc_cb.tot_scan_results_strg) {
BTM_TRACE_ERROR("Controller does not support scan storage");
return BTM_ERR_PROCESSING;
}
ble_advtrack_cb.p_track_cback = p_track_cback;
ble_advtrack_cb.ref_value = ref_value;
return BTM_CMD_STARTED;
}
/*******************************************************************************
**
** Function btm_ble_batchscan_init
**
** Description This function initialize the batch scan control block.
**
** Parameters None
**
** Returns status
**
*******************************************************************************/
void btm_ble_batchscan_init(void)
{
#if BTM_DYNAMIC_MEMORY == TRUE
ble_batchscan_cb_ptr = (tBTM_BLE_BATCH_SCAN_CB *)osi_malloc(sizeof(tBTM_BLE_BATCH_SCAN_CB));
ble_advtrack_cb_ptr = (tBTM_BLE_ADV_TRACK_CB *)osi_malloc(sizeof(tBTM_BLE_ADV_TRACK_CB));
if (ble_batchscan_cb_ptr == NULL || ble_advtrack_cb_ptr == NULL) {
BTM_TRACE_ERROR("%s malloc failed", __func__);
return;
}
#endif
BTM_TRACE_EVENT (" btm_ble_batchscan_init");
memset(&ble_batchscan_cb, 0, sizeof(tBTM_BLE_BATCH_SCAN_CB));
memset(&ble_advtrack_cb, 0, sizeof(tBTM_BLE_ADV_TRACK_CB));
BTM_RegisterForVSEvents(btm_ble_batchscan_filter_track_adv_vse_cback, TRUE);
}
/*******************************************************************************
**
** Function btm_ble_batchscan_cleanup
**
** Description This function cleans the batch scan control block.
**
** Parameters None
**
** Returns void
**
*******************************************************************************/
void btm_ble_batchscan_cleanup(void)
{
int index = 0;
BTM_TRACE_EVENT (" btm_ble_batchscan_cleanup");
for (index = 0; index < BTM_BLE_BATCH_REP_MAIN_Q_SIZE; index++) {
if (NULL != ble_batchscan_cb.main_rep_q.p_data[index]) {
osi_free(ble_batchscan_cb.main_rep_q.p_data[index]);
ble_batchscan_cb.main_rep_q.p_data[index] = NULL;
}
}
memset(&ble_batchscan_cb, 0, sizeof(tBTM_BLE_BATCH_SCAN_CB));
memset(&ble_advtrack_cb, 0, sizeof(tBTM_BLE_ADV_TRACK_CB));
#if BTM_DYNAMIC_MEMORY == TRUE
osi_free(ble_batchscan_cb_ptr);
osi_free(ble_advtrack_cb_ptr);
ble_batchscan_cb_ptr = NULL;
ble_advtrack_cb_ptr = NULL;
#endif
}
#endif
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