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PL286/system/bt/stack/btm/btm_devctl.cc

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/******************************************************************************
*
* Copyright (C) 1999-2012 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/******************************************************************************
*
* This file contains functions that handle BTM interface functions for the
* Bluetooth device including Rest, HCI buffer size and others
*
******************************************************************************/
#include <base/logging.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "bt_types.h"
#include "bt_utils.h"
#include "btcore/include/module.h"
#include "btm_int.h"
#include "btu.h"
#include "device/include/controller.h"
#include "hci_layer.h"
#include "hcimsgs.h"
#include "l2c_int.h"
#include "osi/include/osi.h"
#include "osi/include/thread.h"
#include "gatt_int.h"
extern thread_t* bt_workqueue_thread;
/******************************************************************************/
/* L O C A L D A T A D E F I N I T I O N S */
/******************************************************************************/
#ifndef BTM_DEV_RESET_TIMEOUT
#define BTM_DEV_RESET_TIMEOUT 4
#endif
// TODO: Reevaluate this value in the context of timers with ms granularity
#define BTM_DEV_NAME_REPLY_TIMEOUT_MS \
(2 * 1000) /* 2 seconds for name reply \
*/
#define BTM_INFO_TIMEOUT 5 /* 5 seconds for info response */
/******************************************************************************/
/* L O C A L F U N C T I O N P R O T O T Y P E S */
/******************************************************************************/
static void btm_decode_ext_features_page(uint8_t page_number,
const BD_FEATURES p_features);
/*******************************************************************************
*
* Function btm_dev_init
*
* Description This function is on the BTM startup
*
* Returns void
*
******************************************************************************/
void btm_dev_init(void) {
/* Initialize nonzero defaults */
memset(btm_cb.cfg.bd_name, 0, sizeof(tBTM_LOC_BD_NAME));
btm_cb.devcb.read_local_name_timer = alarm_new("btm.read_local_name_timer");
btm_cb.devcb.read_rssi_timer = alarm_new("btm.read_rssi_timer");
btm_cb.devcb.read_failed_contact_counter_timer =
alarm_new("btm.read_failed_contact_counter_timer");
btm_cb.devcb.read_automatic_flush_timeout_timer =
alarm_new("btm.read_automatic_flush_timeout_timer");
btm_cb.devcb.read_link_quality_timer =
alarm_new("btm.read_link_quality_timer");
btm_cb.devcb.read_inq_tx_power_timer =
alarm_new("btm.read_inq_tx_power_timer");
btm_cb.devcb.qos_setup_timer = alarm_new("btm.qos_setup_timer");
btm_cb.devcb.read_tx_power_timer = alarm_new("btm.read_tx_power_timer");
btm_cb.btm_acl_pkt_types_supported =
BTM_ACL_PKT_TYPES_MASK_DH1 + BTM_ACL_PKT_TYPES_MASK_DM1 +
BTM_ACL_PKT_TYPES_MASK_DH3 + BTM_ACL_PKT_TYPES_MASK_DM3 +
BTM_ACL_PKT_TYPES_MASK_DH5 + BTM_ACL_PKT_TYPES_MASK_DM5;
btm_cb.btm_sco_pkt_types_supported =
ESCO_PKT_TYPES_MASK_HV1 + ESCO_PKT_TYPES_MASK_HV2 +
ESCO_PKT_TYPES_MASK_HV3 + ESCO_PKT_TYPES_MASK_EV3 +
ESCO_PKT_TYPES_MASK_EV4 + ESCO_PKT_TYPES_MASK_EV5;
}
/*******************************************************************************
*
* Function btm_db_reset
*
* Description This function is called by BTM_DeviceReset and clears out
* any pending callbacks for inquiries, discoveries, other
* pending functions that may be in progress.
*
* Returns void
*
******************************************************************************/
static void btm_db_reset(void) {
tBTM_CMPL_CB* p_cb;
tBTM_STATUS status = BTM_DEV_RESET;
btm_inq_db_reset();
if (btm_cb.devcb.p_rln_cmpl_cb) {
p_cb = btm_cb.devcb.p_rln_cmpl_cb;
btm_cb.devcb.p_rln_cmpl_cb = NULL;
if (p_cb) (*p_cb)((void*)NULL);
}
if (btm_cb.devcb.p_rssi_cmpl_cb) {
p_cb = btm_cb.devcb.p_rssi_cmpl_cb;
btm_cb.devcb.p_rssi_cmpl_cb = NULL;
if (p_cb) (*p_cb)((tBTM_RSSI_RESULT*)&status);
}
if (btm_cb.devcb.p_failed_contact_counter_cmpl_cb) {
p_cb = btm_cb.devcb.p_failed_contact_counter_cmpl_cb;
btm_cb.devcb.p_failed_contact_counter_cmpl_cb = NULL;
if (p_cb) (*p_cb)((tBTM_FAILED_CONTACT_COUNTER_RESULT*)&status);
}
if (btm_cb.devcb.p_automatic_flush_timeout_cmpl_cb) {
p_cb = btm_cb.devcb.p_automatic_flush_timeout_cmpl_cb;
btm_cb.devcb.p_automatic_flush_timeout_cmpl_cb = NULL;
if (p_cb) (*p_cb)((tBTM_AUTOMATIC_FLUSH_TIMEOUT_RESULT*)&status);
}
}
bool set_sec_state_idle(void* data, void* context) {
tBTM_SEC_DEV_REC* p_dev_rec = static_cast<tBTM_SEC_DEV_REC*>(data);
p_dev_rec->sec_state = BTM_SEC_STATE_IDLE;
return true;
}
static void reset_complete(void* result) {
CHECK(result == FUTURE_SUCCESS);
const controller_t* controller = controller_get_interface();
/* Tell L2CAP that all connections are gone */
l2cu_device_reset();
/* Clear current security state */
list_foreach(btm_cb.sec_dev_rec, set_sec_state_idle, NULL);
/* After the reset controller should restore all parameters to defaults. */
btm_cb.btm_inq_vars.inq_counter = 1;
btm_cb.btm_inq_vars.inq_scan_window = HCI_DEF_INQUIRYSCAN_WINDOW;
btm_cb.btm_inq_vars.inq_scan_period = HCI_DEF_INQUIRYSCAN_INTERVAL;
btm_cb.btm_inq_vars.inq_scan_type = HCI_DEF_SCAN_TYPE;
btm_cb.btm_inq_vars.page_scan_window = HCI_DEF_PAGESCAN_WINDOW;
btm_cb.btm_inq_vars.page_scan_period = HCI_DEF_PAGESCAN_INTERVAL;
btm_cb.btm_inq_vars.page_scan_type = HCI_DEF_SCAN_TYPE;
btm_cb.ble_ctr_cb.conn_state = BLE_CONN_IDLE;
btm_cb.ble_ctr_cb.bg_conn_type = BTM_BLE_CONN_NONE;
gatt_reset_bgdev_list();
btm_pm_reset();
l2c_link_processs_num_bufs(controller->get_acl_buffer_count_classic());
#if (BLE_PRIVACY_SPT == TRUE)
/* Set up the BLE privacy settings */
if (controller->supports_ble() && controller->supports_ble_privacy() &&
controller->get_ble_resolving_list_max_size() > 0) {
btm_ble_resolving_list_init(controller->get_ble_resolving_list_max_size());
/* set the default random private address timeout */
btsnd_hcic_ble_set_rand_priv_addr_timeout(BTM_BLE_PRIVATE_ADDR_INT_MS /
1000);
}
#endif
if (controller->supports_ble()) {
btm_ble_white_list_init(controller->get_ble_white_list_size());
l2c_link_processs_ble_num_bufs(controller->get_acl_buffer_count_ble());
}
BTM_SetPinType(btm_cb.cfg.pin_type, btm_cb.cfg.pin_code,
btm_cb.cfg.pin_code_len);
for (int i = 0; i <= controller->get_last_features_classic_index(); i++) {
btm_decode_ext_features_page(i,
controller->get_features_classic(i)->as_array);
}
btm_report_device_status(BTM_DEV_STATUS_UP);
}
// TODO(zachoverflow): remove this function
void BTM_DeviceReset(UNUSED_ATTR tBTM_CMPL_CB* p_cb) {
/* Flush all ACL connections */
btm_acl_device_down();
/* Clear the callback, so application would not hang on reset */
btm_db_reset();
module_start_up_callbacked_wrapper(get_module(CONTROLLER_MODULE),
bt_workqueue_thread, reset_complete);
}
/*******************************************************************************
*
* Function BTM_IsDeviceUp
*
* Description This function is called to check if the device is up.
*
* Returns true if device is up, else false
*
******************************************************************************/
bool BTM_IsDeviceUp(void) { return controller_get_interface()->get_is_ready(); }
/*******************************************************************************
*
* Function btm_read_local_name_timeout
*
* Description Callback when reading the local name times out.
*
* Returns void
*
******************************************************************************/
void btm_read_local_name_timeout(UNUSED_ATTR void* data) {
tBTM_CMPL_CB* p_cb = btm_cb.devcb.p_rln_cmpl_cb;
btm_cb.devcb.p_rln_cmpl_cb = NULL;
if (p_cb) (*p_cb)((void*)NULL);
}
/*******************************************************************************
*
* Function btm_decode_ext_features_page
*
* Description This function is decodes a features page.
*
* Returns void
*
******************************************************************************/
static void btm_decode_ext_features_page(uint8_t page_number,
const uint8_t* p_features) {
BTM_TRACE_DEBUG("btm_decode_ext_features_page page: %d", page_number);
switch (page_number) {
/* Extended (Legacy) Page 0 */
case 0:
/* Create ACL supported packet types mask */
btm_cb.btm_acl_pkt_types_supported =
(BTM_ACL_PKT_TYPES_MASK_DH1 + BTM_ACL_PKT_TYPES_MASK_DM1);
if (HCI_3_SLOT_PACKETS_SUPPORTED(p_features))
btm_cb.btm_acl_pkt_types_supported |=
(BTM_ACL_PKT_TYPES_MASK_DH3 + BTM_ACL_PKT_TYPES_MASK_DM3);
if (HCI_5_SLOT_PACKETS_SUPPORTED(p_features))
btm_cb.btm_acl_pkt_types_supported |=
(BTM_ACL_PKT_TYPES_MASK_DH5 + BTM_ACL_PKT_TYPES_MASK_DM5);
/* Add in EDR related ACL types */
if (!HCI_EDR_ACL_2MPS_SUPPORTED(p_features)) {
btm_cb.btm_acl_pkt_types_supported |=
(BTM_ACL_PKT_TYPES_MASK_NO_2_DH1 + BTM_ACL_PKT_TYPES_MASK_NO_2_DH3 +
BTM_ACL_PKT_TYPES_MASK_NO_2_DH5);
}
if (!HCI_EDR_ACL_3MPS_SUPPORTED(p_features)) {
btm_cb.btm_acl_pkt_types_supported |=
(BTM_ACL_PKT_TYPES_MASK_NO_3_DH1 + BTM_ACL_PKT_TYPES_MASK_NO_3_DH3 +
BTM_ACL_PKT_TYPES_MASK_NO_3_DH5);
}
/* Check to see if 3 and 5 slot packets are available */
if (HCI_EDR_ACL_2MPS_SUPPORTED(p_features) ||
HCI_EDR_ACL_3MPS_SUPPORTED(p_features)) {
if (!HCI_3_SLOT_EDR_ACL_SUPPORTED(p_features))
btm_cb.btm_acl_pkt_types_supported |=
(BTM_ACL_PKT_TYPES_MASK_NO_2_DH3 +
BTM_ACL_PKT_TYPES_MASK_NO_3_DH3);
if (!HCI_5_SLOT_EDR_ACL_SUPPORTED(p_features))
btm_cb.btm_acl_pkt_types_supported |=
(BTM_ACL_PKT_TYPES_MASK_NO_2_DH5 +
BTM_ACL_PKT_TYPES_MASK_NO_3_DH5);
}
BTM_TRACE_DEBUG("Local supported ACL packet types: 0x%04x",
btm_cb.btm_acl_pkt_types_supported);
/* Create (e)SCO supported packet types mask */
btm_cb.btm_sco_pkt_types_supported = 0;
#if (BTM_SCO_INCLUDED == TRUE)
btm_cb.sco_cb.esco_supported = false;
#endif
if (HCI_SCO_LINK_SUPPORTED(p_features)) {
btm_cb.btm_sco_pkt_types_supported = ESCO_PKT_TYPES_MASK_HV1;
if (HCI_HV2_PACKETS_SUPPORTED(p_features))
btm_cb.btm_sco_pkt_types_supported |= ESCO_PKT_TYPES_MASK_HV2;
if (HCI_HV3_PACKETS_SUPPORTED(p_features))
btm_cb.btm_sco_pkt_types_supported |= ESCO_PKT_TYPES_MASK_HV3;
}
if (HCI_ESCO_EV3_SUPPORTED(p_features))
btm_cb.btm_sco_pkt_types_supported |= ESCO_PKT_TYPES_MASK_EV3;
if (HCI_ESCO_EV4_SUPPORTED(p_features))
btm_cb.btm_sco_pkt_types_supported |= ESCO_PKT_TYPES_MASK_EV4;
if (HCI_ESCO_EV5_SUPPORTED(p_features))
btm_cb.btm_sco_pkt_types_supported |= ESCO_PKT_TYPES_MASK_EV5;
if (btm_cb.btm_sco_pkt_types_supported & BTM_ESCO_LINK_ONLY_MASK) {
btm_cb.sco_cb.esco_supported = true;
/* Add in EDR related eSCO types */
if (HCI_EDR_ESCO_2MPS_SUPPORTED(p_features)) {
if (!HCI_3_SLOT_EDR_ESCO_SUPPORTED(p_features))
btm_cb.btm_sco_pkt_types_supported |= ESCO_PKT_TYPES_MASK_NO_2_EV5;
} else {
btm_cb.btm_sco_pkt_types_supported |=
(ESCO_PKT_TYPES_MASK_NO_2_EV3 + ESCO_PKT_TYPES_MASK_NO_2_EV5);
}
if (HCI_EDR_ESCO_3MPS_SUPPORTED(p_features)) {
if (!HCI_3_SLOT_EDR_ESCO_SUPPORTED(p_features))
btm_cb.btm_sco_pkt_types_supported |= ESCO_PKT_TYPES_MASK_NO_3_EV5;
} else {
btm_cb.btm_sco_pkt_types_supported |=
(ESCO_PKT_TYPES_MASK_NO_3_EV3 + ESCO_PKT_TYPES_MASK_NO_3_EV5);
}
}
BTM_TRACE_DEBUG("Local supported SCO packet types: 0x%04x",
btm_cb.btm_sco_pkt_types_supported);
/* Create Default Policy Settings */
if (HCI_SWITCH_SUPPORTED(p_features))
btm_cb.btm_def_link_policy |= HCI_ENABLE_MASTER_SLAVE_SWITCH;
else
btm_cb.btm_def_link_policy &= ~HCI_ENABLE_MASTER_SLAVE_SWITCH;
if (HCI_HOLD_MODE_SUPPORTED(p_features))
btm_cb.btm_def_link_policy |= HCI_ENABLE_HOLD_MODE;
else
btm_cb.btm_def_link_policy &= ~HCI_ENABLE_HOLD_MODE;
if (HCI_SNIFF_MODE_SUPPORTED(p_features))
btm_cb.btm_def_link_policy |= HCI_ENABLE_SNIFF_MODE;
else
btm_cb.btm_def_link_policy &= ~HCI_ENABLE_SNIFF_MODE;
if (HCI_PARK_MODE_SUPPORTED(p_features))
btm_cb.btm_def_link_policy |= HCI_ENABLE_PARK_MODE;
else
btm_cb.btm_def_link_policy &= ~HCI_ENABLE_PARK_MODE;
btm_sec_dev_reset();
if (HCI_LMP_INQ_RSSI_SUPPORTED(p_features)) {
if (HCI_EXT_INQ_RSP_SUPPORTED(p_features))
BTM_SetInquiryMode(BTM_INQ_RESULT_EXTENDED);
else
BTM_SetInquiryMode(BTM_INQ_RESULT_WITH_RSSI);
}
#if (L2CAP_NON_FLUSHABLE_PB_INCLUDED == TRUE)
if (HCI_NON_FLUSHABLE_PB_SUPPORTED(p_features))
l2cu_set_non_flushable_pbf(true);
else
l2cu_set_non_flushable_pbf(false);
#endif
BTM_SetPageScanType(BTM_DEFAULT_SCAN_TYPE);
BTM_SetInquiryScanType(BTM_DEFAULT_SCAN_TYPE);
break;
default:
BTM_TRACE_WARNING("%s: feature page %d ignored", __func__, page_number);
break;
}
}
/*******************************************************************************
*
* Function BTM_SetLocalDeviceName
*
* Description This function is called to set the local device name.
*
* Returns status of the operation
*
******************************************************************************/
tBTM_STATUS BTM_SetLocalDeviceName(char* p_name) {
uint8_t* p;
if (!p_name || !p_name[0] || (strlen((char*)p_name) > BD_NAME_LEN))
return (BTM_ILLEGAL_VALUE);
if (!controller_get_interface()->get_is_ready()) return (BTM_DEV_RESET);
/* Save the device name if local storage is enabled */
p = (uint8_t*)btm_cb.cfg.bd_name;
if (p != (uint8_t*)p_name)
strlcpy(btm_cb.cfg.bd_name, p_name, BTM_MAX_LOC_BD_NAME_LEN);
btsnd_hcic_change_name(p);
return (BTM_CMD_STARTED);
}
/*******************************************************************************
*
* Function BTM_ReadLocalDeviceName
*
* Description This function is called to read the local device name.
*
* Returns status of the operation
* If success, BTM_SUCCESS is returned and p_name points stored
* local device name
* If BTM doesn't store local device name, BTM_NO_RESOURCES is
* is returned and p_name is set to NULL
*
******************************************************************************/
tBTM_STATUS BTM_ReadLocalDeviceName(char** p_name) {
*p_name = btm_cb.cfg.bd_name;
return (BTM_SUCCESS);
}
/*******************************************************************************
*
* Function BTM_ReadLocalDeviceNameFromController
*
* Description Get local device name from controller. Do not use cached
* name (used to get chip-id prior to btm reset complete).
*
* Returns BTM_CMD_STARTED if successful, otherwise an error
*
******************************************************************************/
tBTM_STATUS BTM_ReadLocalDeviceNameFromController(
tBTM_CMPL_CB* p_rln_cmpl_cback) {
/* Check if rln already in progress */
if (btm_cb.devcb.p_rln_cmpl_cb) return (BTM_NO_RESOURCES);
/* Save callback */
btm_cb.devcb.p_rln_cmpl_cb = p_rln_cmpl_cback;
btsnd_hcic_read_name();
alarm_set_on_mloop(btm_cb.devcb.read_local_name_timer,
BTM_DEV_NAME_REPLY_TIMEOUT_MS, btm_read_local_name_timeout,
NULL);
return BTM_CMD_STARTED;
}
/*******************************************************************************
*
* Function btm_read_local_name_complete
*
* Description This function is called when local name read complete.
* message is received from the HCI.
*
* Returns void
*
******************************************************************************/
void btm_read_local_name_complete(uint8_t* p, UNUSED_ATTR uint16_t evt_len) {
tBTM_CMPL_CB* p_cb = btm_cb.devcb.p_rln_cmpl_cb;
uint8_t status;
alarm_cancel(btm_cb.devcb.read_local_name_timer);
/* If there was a callback address for read local name, call it */
btm_cb.devcb.p_rln_cmpl_cb = NULL;
if (p_cb) {
STREAM_TO_UINT8(status, p);
if (status == HCI_SUCCESS)
(*p_cb)(p);
else
(*p_cb)(NULL);
}
}
/*******************************************************************************
*
* Function BTM_SetDeviceClass
*
* Description This function is called to set the local device class
*
* Returns status of the operation
*
******************************************************************************/
tBTM_STATUS BTM_SetDeviceClass(DEV_CLASS dev_class) {
if (!memcmp(btm_cb.devcb.dev_class, dev_class, DEV_CLASS_LEN))
return (BTM_SUCCESS);
memcpy(btm_cb.devcb.dev_class, dev_class, DEV_CLASS_LEN);
if (!controller_get_interface()->get_is_ready()) return (BTM_DEV_RESET);
btsnd_hcic_write_dev_class(dev_class);
return (BTM_SUCCESS);
}
/*******************************************************************************
*
* Function BTM_ReadDeviceClass
*
* Description This function is called to read the local device class
*
* Returns pointer to the device class
*
******************************************************************************/
uint8_t* BTM_ReadDeviceClass(void) {
return ((uint8_t*)btm_cb.devcb.dev_class);
}
/*******************************************************************************
*
* Function BTM_ReadLocalFeatures
*
* Description This function is called to read the local features
*
* Returns pointer to the local features string
*
******************************************************************************/
// TODO(zachoverflow): get rid of this function
uint8_t* BTM_ReadLocalFeatures(void) {
// Discarding const modifier for now, until this function dies
return (uint8_t*)controller_get_interface()
->get_features_classic(0)
->as_array;
}
/*******************************************************************************
*
* Function BTM_RegisterForDeviceStatusNotif
*
* Description This function is called to register for device status
* change notifications.
*
* If one registration is already there calling function should
* save the pointer to the function that is return and
* call it when processing of the event is complete
*
* Returns status of the operation
*
******************************************************************************/
tBTM_DEV_STATUS_CB* BTM_RegisterForDeviceStatusNotif(tBTM_DEV_STATUS_CB* p_cb) {
tBTM_DEV_STATUS_CB* p_prev = btm_cb.devcb.p_dev_status_cb;
btm_cb.devcb.p_dev_status_cb = p_cb;
return (p_prev);
}
/*******************************************************************************
*
* Function BTM_VendorSpecificCommand
*
* Description Send a vendor specific HCI command to the controller.
*
* Notes
* Opcode will be OR'd with HCI_GRP_VENDOR_SPECIFIC.
*
******************************************************************************/
void BTM_VendorSpecificCommand(uint16_t opcode, uint8_t param_len,
uint8_t* p_param_buf, tBTM_VSC_CMPL_CB* p_cb) {
/* Allocate a buffer to hold HCI command plus the callback function */
void* p_buf = osi_malloc(sizeof(BT_HDR) + sizeof(tBTM_CMPL_CB*) + param_len +
HCIC_PREAMBLE_SIZE);
BTM_TRACE_EVENT("BTM: %s: Opcode: 0x%04X, ParamLen: %i.", __func__, opcode,
param_len);
/* Send the HCI command (opcode will be OR'd with HCI_GRP_VENDOR_SPECIFIC) */
btsnd_hcic_vendor_spec_cmd(p_buf, opcode, param_len, p_param_buf,
(void*)p_cb);
}
/*******************************************************************************
*
* Function btm_vsc_complete
*
* Description This function is called when local HCI Vendor Specific
* Command complete message is received from the HCI.
*
* Returns void
*
******************************************************************************/
void btm_vsc_complete(uint8_t* p, uint16_t opcode, uint16_t evt_len,
tBTM_CMPL_CB* p_vsc_cplt_cback) {
tBTM_VSC_CMPL vcs_cplt_params;
/* If there was a callback address for vcs complete, call it */
if (p_vsc_cplt_cback) {
/* Pass paramters to the callback function */
vcs_cplt_params.opcode = opcode; /* Number of bytes in return info */
vcs_cplt_params.param_len = evt_len; /* Number of bytes in return info */
vcs_cplt_params.p_param_buf = p;
(*p_vsc_cplt_cback)(
&vcs_cplt_params); /* Call the VSC complete callback function */
}
}
/*******************************************************************************
*
* Function BTM_RegisterForVSEvents
*
* Description This function is called to register/deregister for vendor
* specific HCI events.
*
* If is_register=true, then the function will be registered;
* otherwise, the the function will be deregistered.
*
* Returns BTM_SUCCESS if successful,
* BTM_BUSY if maximum number of callbacks have already been
* registered.
*
******************************************************************************/
tBTM_STATUS BTM_RegisterForVSEvents(tBTM_VS_EVT_CB* p_cb, bool is_register) {
tBTM_STATUS retval = BTM_SUCCESS;
uint8_t i, free_idx = BTM_MAX_VSE_CALLBACKS;
/* See if callback is already registered */
for (i = 0; i < BTM_MAX_VSE_CALLBACKS; i++) {
if (btm_cb.devcb.p_vend_spec_cb[i] == NULL) {
/* Found a free slot. Store index */
free_idx = i;
} else if (btm_cb.devcb.p_vend_spec_cb[i] == p_cb) {
/* Found callback in lookup table. If deregistering, clear the entry. */
if (is_register == false) {
btm_cb.devcb.p_vend_spec_cb[i] = NULL;
BTM_TRACE_EVENT("BTM Deregister For VSEvents is successfully");
}
return (BTM_SUCCESS);
}
}
/* Didn't find callback. Add callback to free slot if registering */
if (is_register) {
if (free_idx < BTM_MAX_VSE_CALLBACKS) {
btm_cb.devcb.p_vend_spec_cb[free_idx] = p_cb;
BTM_TRACE_EVENT("BTM Register For VSEvents is successfully");
} else {
/* No free entries available */
BTM_TRACE_ERROR("BTM_RegisterForVSEvents: too many callbacks registered");
retval = BTM_NO_RESOURCES;
}
}
return (retval);
}
/*******************************************************************************
*
* Function btm_vendor_specific_evt
*
* Description Process event HCI_VENDOR_SPECIFIC_EVT
*
* Note: Some controllers do not send command complete, so
* the callback and busy flag are cleared here also.
*
* Returns void
*
******************************************************************************/
void btm_vendor_specific_evt(uint8_t* p, uint8_t evt_len) {
uint8_t i;
BTM_TRACE_DEBUG("BTM Event: Vendor Specific event from controller");
for (i = 0; i < BTM_MAX_VSE_CALLBACKS; i++) {
if (btm_cb.devcb.p_vend_spec_cb[i])
(*btm_cb.devcb.p_vend_spec_cb[i])(evt_len, p);
}
}
/*******************************************************************************
*
* Function BTM_WritePageTimeout
*
* Description Send HCI Write Page Timeout.
*
******************************************************************************/
void BTM_WritePageTimeout(uint16_t timeout) {
BTM_TRACE_EVENT("BTM: BTM_WritePageTimeout: Timeout: %d.", timeout);
/* Send the HCI command */
btsnd_hcic_write_page_tout(timeout);
}
/*******************************************************************************
*
* Function BTM_WriteVoiceSettings
*
* Description Send HCI Write Voice Settings command.
* See hcidefs.h for settings bitmask values.
*
******************************************************************************/
void BTM_WriteVoiceSettings(uint16_t settings) {
BTM_TRACE_EVENT("BTM: BTM_WriteVoiceSettings: Settings: 0x%04x.", settings);
/* Send the HCI command */
btsnd_hcic_write_voice_settings((uint16_t)(settings & 0x03ff));
}
/*******************************************************************************
*
* Function BTM_EnableTestMode
*
* Description Send HCI the enable device under test command.
*
* Note: Controller can only be taken out of this mode by
* resetting the controller.
*
* Returns
* BTM_SUCCESS Command sent.
* BTM_NO_RESOURCES If out of resources to send the command.
*
*
******************************************************************************/
tBTM_STATUS BTM_EnableTestMode(void) {
uint8_t cond;
BTM_TRACE_EVENT("BTM: BTM_EnableTestMode");
/* set auto accept connection as this is needed during test mode */
/* Allocate a buffer to hold HCI command */
cond = HCI_DO_AUTO_ACCEPT_CONNECT;
btsnd_hcic_set_event_filter(HCI_FILTER_CONNECTION_SETUP,
HCI_FILTER_COND_NEW_DEVICE, &cond, sizeof(cond));
/* put device to connectable mode */
if (BTM_SetConnectability(BTM_CONNECTABLE, BTM_DEFAULT_CONN_WINDOW,
BTM_DEFAULT_CONN_INTERVAL) != BTM_SUCCESS) {
return BTM_NO_RESOURCES;
}
/* put device to discoverable mode */
if (BTM_SetDiscoverability(BTM_GENERAL_DISCOVERABLE, BTM_DEFAULT_DISC_WINDOW,
BTM_DEFAULT_DISC_INTERVAL) != BTM_SUCCESS) {
return BTM_NO_RESOURCES;
}
/* mask off all of event from controller */
hci_layer_get_interface()->transmit_command(
hci_packet_factory_get_interface()->make_set_event_mask(
(const bt_event_mask_t*)("\x00\x00\x00\x00\x00\x00\x00\x00")),
NULL, NULL, NULL);
/* Send the HCI command */
btsnd_hcic_enable_test_mode();
return (BTM_SUCCESS);
}
/*******************************************************************************
*
* Function BTM_DeleteStoredLinkKey
*
* Description This function is called to delete link key for the specified
* device addresses from the NVRAM storage attached to the
* Bluetooth controller.
*
* Parameters: bd_addr - Addresses of the devices
* p_cb - Call back function to be called to return
* the results
*
******************************************************************************/
tBTM_STATUS BTM_DeleteStoredLinkKey(const RawAddress* bd_addr,
tBTM_CMPL_CB* p_cb) {
/* Check if the previous command is completed */
if (btm_cb.devcb.p_stored_link_key_cmpl_cb) return (BTM_BUSY);
bool delete_all_flag = !bd_addr;
BTM_TRACE_EVENT("BTM: BTM_DeleteStoredLinkKey: delete_all_flag: %s",
delete_all_flag ? "true" : "false");
btm_cb.devcb.p_stored_link_key_cmpl_cb = p_cb;
if (!bd_addr) {
/* This is to delete all link keys */
/* We don't care the BD address. Just pass a non zero pointer */
RawAddress local_bd_addr = RawAddress::kEmpty;
btsnd_hcic_delete_stored_key(local_bd_addr, delete_all_flag);
} else {
btsnd_hcic_delete_stored_key(*bd_addr, delete_all_flag);
}
return (BTM_SUCCESS);
}
/*******************************************************************************
*
* Function btm_delete_stored_link_key_complete
*
* Description This function is called when the command complete message
* is received from the HCI for the delete stored link key
* command.
*
* Returns void
*
******************************************************************************/
void btm_delete_stored_link_key_complete(uint8_t* p) {
tBTM_CMPL_CB* p_cb = btm_cb.devcb.p_stored_link_key_cmpl_cb;
tBTM_DELETE_STORED_LINK_KEY_COMPLETE result;
/* If there was a callback registered for read stored link key, call it */
btm_cb.devcb.p_stored_link_key_cmpl_cb = NULL;
if (p_cb) {
/* Set the call back event to indicate command complete */
result.event = BTM_CB_EVT_DELETE_STORED_LINK_KEYS;
/* Extract the result fields from the HCI event */
STREAM_TO_UINT8(result.status, p);
STREAM_TO_UINT16(result.num_keys, p);
/* Call the call back and pass the result */
(*p_cb)(&result);
}
}
/*******************************************************************************
*
* Function btm_report_device_status
*
* Description This function is called when there is a change in the device
* status. This function will report the new device status to
* the application
*
* Returns void
*
******************************************************************************/
void btm_report_device_status(tBTM_DEV_STATUS status) {
tBTM_DEV_STATUS_CB* p_cb = btm_cb.devcb.p_dev_status_cb;
/* Call the call back to pass the device status to application */
if (p_cb) (*p_cb)(status);
}