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i want better sbc encoding, and no cla will stop me
This commit is contained in:
jacqueline
2024-03-28 14:32:49 +11:00
parent 239e6d8950
commit ee29c25b29
1761 changed files with 737738 additions and 0 deletions
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lib/bt/host/bluedroid/device/bdaddr.c
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/******************************************************************************
*
* Copyright (C) 2014 Google, Inc.
*
* 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 <stdio.h>
#include <string.h>
#include "common/bt_trace.h"
#include "device/bdaddr.h"
static inline bool ets_isxdigit(char c)
{
if ((c >= '0') && (c <= '9')) {
return true;
}
if ((c >= 'a') && (c <= 'f')) {
return true;
}
return ((c >= 'A') && (c <= 'F'));
}
bool bdaddr_is_empty(const bt_bdaddr_t *addr)
{
assert(addr != NULL);
uint8_t zero[sizeof(bt_bdaddr_t)] = { 0 };
return memcmp(addr, &zero, sizeof(bt_bdaddr_t)) == 0;
}
bool bdaddr_equals(const bt_bdaddr_t *first, const bt_bdaddr_t *second)
{
assert(first != NULL);
assert(second != NULL);
return memcmp(first, second, sizeof(bt_bdaddr_t)) == 0;
}
bt_bdaddr_t *bdaddr_copy(bt_bdaddr_t *dest, const bt_bdaddr_t *src)
{
assert(dest != NULL);
assert(src != NULL);
return (bt_bdaddr_t *)memcpy(dest, src, sizeof(bt_bdaddr_t));
}
const char *bdaddr_to_string(const bt_bdaddr_t *addr, char *string, size_t size)
{
assert(addr != NULL);
assert(string != NULL);
if (size < 18) {
return NULL;
}
const uint8_t *ptr = addr->address;
sprintf(string, "%02x:%02x:%02x:%02x:%02x:%02x",
ptr[0], ptr[1], ptr[2],
ptr[3], ptr[4], ptr[5]);
return string;
}
bool string_is_bdaddr(const char *string)
{
assert(string != NULL);
size_t len = strlen(string);
if (len != 17) {
return false;
}
for (size_t i = 0; i < len; ++i) {
// Every 3rd char must be ':'.
if (((i + 1) % 3) == 0 && string[i] != ':') {
return false;
}
// All other chars must be a hex digit.
if (((i + 1) % 3) != 0 && !ets_isxdigit(string[i])) {
return false;
}
}
return true;
}
bool string_to_bdaddr(const char *string, bt_bdaddr_t *addr)
{
assert(string != NULL);
assert(addr != NULL);
bt_bdaddr_t new_addr;
uint8_t *ptr = new_addr.address;
uint32_t ptr_32[6];
bool ret = sscanf(string, "%02x:%02x:%02x:%02x:%02x:%02x",
&ptr_32[0], &ptr_32[1], &ptr_32[2], &ptr_32[3], &ptr_32[4], &ptr_32[5]) == 6;
if (ret) {
for (uint8_t i = 0; i < 6; i++){
ptr[i] = (uint8_t) ptr_32[i];
}
memcpy(addr, &new_addr, sizeof(bt_bdaddr_t));
}
return ret;
}
hash_index_t hash_function_bdaddr(const void *key)
{
hash_index_t hash = 5381;
const char *bytes = (const char *)key;
for (size_t i = 0; i < sizeof(bt_bdaddr_t); ++i) {
hash = ((hash << 5) + hash) + bytes[i];
}
return hash;
}
lib/bt/host/bluedroid/device/controller.c
+600
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@@ -0,0 +1,600 @@
/******************************************************************************
*
* Copyright (C) 2014 Google, Inc.
*
* 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 <stdbool.h>
#include "common/bt_target.h"
#include "common/bt_trace.h"
#include "device/bdaddr.h"
#include "stack/bt_types.h"
#include "device/controller.h"
#include "device/event_mask.h"
#include "stack/hcimsgs.h"
#include "hci/hci_layer.h"
#include "hci/hci_packet_factory.h"
#include "hci/hci_packet_parser.h"
#include "stack/btm_ble_api.h"
#include "device/version.h"
#include "osi/future.h"
#include "config/stack_config.h"
#if (BLE_50_FEATURE_SUPPORT == TRUE)
const bt_event_mask_t BLE_EVENT_MASK = { "\x00\x00\x00\x00\x00\xff\xff\xff" };
#else
const bt_event_mask_t BLE_EVENT_MASK = { "\x00\x00\x00\x00\x00\x00\x06\x7f" };
#endif
#if (BLE_INCLUDED)
const bt_event_mask_t CLASSIC_EVENT_MASK = { HCI_DUMO_EVENT_MASK_EXT };
#else
const bt_event_mask_t CLASSIC_EVENT_MASK = { HCI_LISBON_EVENT_MASK_EXT };
#endif
// TODO(zachoverflow): factor out into common module
const uint8_t SCO_HOST_BUFFER_SIZE = 0xff;
#define HCI_SUPPORTED_COMMANDS_ARRAY_SIZE 64
#define MAX_FEATURES_CLASSIC_PAGE_COUNT 3
#define BLE_SUPPORTED_STATES_SIZE 8
#define BLE_SUPPORTED_FEATURES_SIZE 8
#define BLE_EXT_ADV_DATA_LEN_MAX 1650
typedef struct {
const hci_t *hci;
const hci_packet_factory_t *packet_factory;
const hci_packet_parser_t *packet_parser;
bt_version_t bt_version;
bt_bdaddr_t address;
uint8_t supported_commands[HCI_SUPPORTED_COMMANDS_ARRAY_SIZE];
uint8_t last_features_classic_page_index;
bt_device_features_t features_classic[MAX_FEATURES_CLASSIC_PAGE_COUNT];
uint16_t acl_data_size_classic;
uint16_t acl_data_size_ble;
uint16_t acl_buffer_count_classic;
uint8_t acl_buffer_count_ble;
uint8_t sco_data_size;
uint16_t sco_buffer_count;
uint8_t ble_white_list_size;
uint8_t ble_resolving_list_max_size;
uint8_t ble_supported_states[BLE_SUPPORTED_STATES_SIZE];
bt_device_features_t features_ble;
uint16_t ble_suggested_default_data_length;
uint16_t ble_suggested_default_data_txtime;
bool readable;
bool ble_supported;
bool simple_pairing_supported;
bool secure_connections_supported;
#if (BLE_50_FEATURE_SUPPORT == TRUE)
uint16_t ble_ext_adv_data_max_len;
#endif //#if (BLE_50_FEATURE_SUPPORT == TRUE)
} controller_local_param_t;
#if BT_BLE_DYNAMIC_ENV_MEMORY == FALSE
static controller_local_param_t controller_param;
#else
static controller_local_param_t *controller_param_ptr;
#define controller_param (*controller_param_ptr)
#endif
#define AWAIT_COMMAND(command) future_await(controller_param.hci->transmit_command_futured(command))
// Module lifecycle functions
static void start_up(void)
{
BT_HDR *response;
// Send the initial reset command
response = AWAIT_COMMAND(controller_param.packet_factory->make_reset());
controller_param.packet_parser->parse_generic_command_complete(response);
#if (CLASSIC_BT_INCLUDED)
// Request the classic buffer size next
response = AWAIT_COMMAND(controller_param.packet_factory->make_read_buffer_size());
controller_param.packet_parser->parse_read_buffer_size_response(
response, &controller_param.acl_data_size_classic, &controller_param.acl_buffer_count_classic,
&controller_param.sco_data_size, &controller_param.sco_buffer_count);
#endif
#if (C2H_FLOW_CONTROL_INCLUDED == TRUE)
// Enable controller to host flow control
response = AWAIT_COMMAND(controller_param.packet_factory->make_set_c2h_flow_control(HCI_HOST_FLOW_CTRL_ACL_ON));
controller_param.packet_parser->parse_generic_command_complete(response);
#endif ///C2H_FLOW_CONTROL_INCLUDED == TRUE
#if (BLE_ADV_REPORT_FLOW_CONTROL == TRUE)
// Enable adv flow control
response = AWAIT_COMMAND(controller_param.packet_factory->make_set_adv_report_flow_control(HCI_HOST_FLOW_CTRL_ADV_REPORT_ON, (uint16_t)BLE_ADV_REPORT_FLOW_CONTROL_NUM, (uint16_t)BLE_ADV_REPORT_DISCARD_THRSHOLD));
controller_param.packet_parser->parse_generic_command_complete(response);
#endif
// Tell the controller about our buffer sizes and buffer counts next
// TODO(zachoverflow): factor this out. eww l2cap contamination. And why just a hardcoded 10?
response = AWAIT_COMMAND(
controller_param.packet_factory->make_host_buffer_size(
L2CAP_MTU_SIZE,
SCO_HOST_BUFFER_SIZE,
L2CAP_HOST_FC_ACL_BUFS,
10
)
);
controller_param.packet_parser->parse_generic_command_complete(response);
// Read the local version info off the controller next, including
// information such as manufacturer and supported HCI version
response = AWAIT_COMMAND(controller_param.packet_factory->make_read_local_version_info());
controller_param.packet_parser->parse_read_local_version_info_response(response, &controller_param.bt_version);
// Read the bluetooth address off the controller next
response = AWAIT_COMMAND(controller_param.packet_factory->make_read_bd_addr());
controller_param.packet_parser->parse_read_bd_addr_response(response, &controller_param.address);
// Request the controller's supported commands next
response = AWAIT_COMMAND(controller_param.packet_factory->make_read_local_supported_commands());
controller_param.packet_parser->parse_read_local_supported_commands_response(
response,
controller_param.supported_commands,
HCI_SUPPORTED_COMMANDS_ARRAY_SIZE
);
#if (CLASSIC_BT_INCLUDED)
// Read page 0 of the controller features next
uint8_t page_number = 0;
response = AWAIT_COMMAND(controller_param.packet_factory->make_read_local_extended_features(page_number));
controller_param.packet_parser->parse_read_local_extended_features_response(
response,
&page_number,
&controller_param.last_features_classic_page_index,
controller_param.features_classic,
MAX_FEATURES_CLASSIC_PAGE_COUNT
);
assert(page_number == 0);
page_number++;
#endif
// Inform the controller what page 0 features we support, based on what
// it told us it supports. We need to do this first before we request the
// next page, because the controller's response for page 1 may be
// dependent on what we configure from page 0 and host SSP configuration
controller_param.simple_pairing_supported = HCI_SIMPLE_PAIRING_SUPPORTED(
controller_param.features_classic[0].as_array) &&
(bluedriod_config_get()->get_ssp_enabled());
if (controller_param.simple_pairing_supported) {
response = AWAIT_COMMAND(controller_param.packet_factory->make_write_simple_pairing_mode(HCI_SP_MODE_ENABLED));
controller_param.packet_parser->parse_generic_command_complete(response);
}
#if (BLE_INCLUDED == TRUE)
if (HCI_LE_SPT_SUPPORTED(controller_param.features_classic[0].as_array)) {
uint8_t simultaneous_le_host = HCI_SIMUL_LE_BREDR_SUPPORTED(controller_param.features_classic[0].as_array) ? BTM_BLE_SIMULTANEOUS_HOST : 0;
response = AWAIT_COMMAND(
controller_param.packet_factory->make_ble_write_host_support(BTM_BLE_HOST_SUPPORT, simultaneous_le_host)
);
controller_param.packet_parser->parse_generic_command_complete(response);
}
#endif
#if (CLASSIC_BT_INCLUDED)
// Done telling the controller about what page 0 features we support
// Request the remaining feature pages
while (page_number <= controller_param.last_features_classic_page_index &&
page_number < MAX_FEATURES_CLASSIC_PAGE_COUNT) {
response = AWAIT_COMMAND(controller_param.packet_factory->make_read_local_extended_features(page_number));
controller_param.packet_parser->parse_read_local_extended_features_response(
response,
&page_number,
&controller_param.last_features_classic_page_index,
controller_param.features_classic,
MAX_FEATURES_CLASSIC_PAGE_COUNT
);
page_number++;
}
#endif
#if (SC_MODE_INCLUDED == TRUE)
controller_param.secure_connections_supported = HCI_SC_CTRLR_SUPPORTED(controller_param.features_classic[2].as_array);
if (controller_param.secure_connections_supported) {
response = AWAIT_COMMAND(controller_param.packet_factory->make_write_secure_connections_host_support(HCI_SC_MODE_ENABLED));
controller_param.packet_parser->parse_generic_command_complete(response);
}
#endif
#if (BLE_INCLUDED == TRUE)
#if (CLASSIC_BT_INCLUDED)
controller_param.ble_supported = controller_param.last_features_classic_page_index >= 1 && HCI_LE_HOST_SUPPORTED(controller_param.features_classic[1].as_array);
#else
controller_param.ble_supported = true;
#endif
if (controller_param.ble_supported) {
// Request the ble white list size next
response = AWAIT_COMMAND(controller_param.packet_factory->make_ble_read_white_list_size());
controller_param.packet_parser->parse_ble_read_white_list_size_response(response, &controller_param.ble_white_list_size);
// Request the ble buffer size next
response = AWAIT_COMMAND(controller_param.packet_factory->make_ble_read_buffer_size());
controller_param.packet_parser->parse_ble_read_buffer_size_response(
response,
&controller_param.acl_data_size_ble,
&controller_param.acl_buffer_count_ble
);
// Response of 0 indicates ble has the same buffer size as classic
if (controller_param.acl_data_size_ble == 0) {
controller_param.acl_data_size_ble = controller_param.acl_data_size_classic;
}
// Request the ble supported states next
response = AWAIT_COMMAND(controller_param.packet_factory->make_ble_read_supported_states());
controller_param.packet_parser->parse_ble_read_supported_states_response(
response,
controller_param.ble_supported_states,
sizeof(controller_param.ble_supported_states)
);
// Request the ble supported features next
response = AWAIT_COMMAND(controller_param.packet_factory->make_ble_read_local_supported_features());
controller_param.packet_parser->parse_ble_read_local_supported_features_response(
response,
&controller_param.features_ble
);
if (HCI_LE_ENHANCED_PRIVACY_SUPPORTED(controller_param.features_ble.as_array)) {
response = AWAIT_COMMAND(controller_param.packet_factory->make_ble_read_resolving_list_size());
controller_param.packet_parser->parse_ble_read_resolving_list_size_response(
response,
&controller_param.ble_resolving_list_max_size);
}
#if BLE_50_FEATURE_SUPPORT == TRUE
controller_param.ble_ext_adv_data_max_len = BLE_EXT_ADV_DATA_LEN_MAX;
#endif //#if (BLE_50_FEATURE_SUPPORT == TRUE)
#if (BLE_50_FEATURE_SUPPORT == TRUE && BLE_42_FEATURE_SUPPORT == FALSE)
if (HCI_LE_ENHANCED_PRIVACY_SUPPORTED(controller_param.features_ble.as_array)) {
response = AWAIT_COMMAND(controller_param.packet_factory->make_read_max_adv_data_len());
controller_param.packet_parser->parse_ble_read_adv_max_len_response(
response,
&controller_param.ble_ext_adv_data_max_len);
}
#endif // (BLE_50_FEATURE_SUPPORT == TRUE && BLE_42_FEATURE_SUPPORT == FALSE)
if (HCI_LE_DATA_LEN_EXT_SUPPORTED(controller_param.features_ble.as_array)) {
/* set default tx data length to MAX 251 */
response = AWAIT_COMMAND(controller_param.packet_factory->make_ble_write_suggested_default_data_length(BTM_BLE_DATA_SIZE_MAX, BTM_BLE_DATA_TX_TIME_MAX));
controller_param.packet_parser->parse_generic_command_complete(response);
response = AWAIT_COMMAND(controller_param.packet_factory->make_ble_read_suggested_default_data_length());
controller_param.packet_parser->parse_ble_read_suggested_default_data_length_response(
response,
&controller_param.ble_suggested_default_data_length,
&controller_param.ble_suggested_default_data_txtime);
}
// Set the ble event mask next
response = AWAIT_COMMAND(controller_param.packet_factory->make_ble_set_event_mask(&BLE_EVENT_MASK));
controller_param.packet_parser->parse_generic_command_complete(response);
}
#endif
response = AWAIT_COMMAND(controller_param.packet_factory->make_set_event_mask(&CLASSIC_EVENT_MASK));
controller_param.packet_parser->parse_generic_command_complete(response);
#if (BTM_SCO_HCI_INCLUDED == TRUE)
response = AWAIT_COMMAND(controller_param.packet_factory->make_write_sync_flow_control_enable(1));
controller_param.packet_parser->parse_generic_command_complete(response);
response = AWAIT_COMMAND(controller_param.packet_factory->make_write_default_erroneous_data_report(1));
controller_param.packet_parser->parse_generic_command_complete(response);
#endif
controller_param.readable = true;
// return future_new_immediate(FUTURE_SUCCESS);
return;
}
static void shut_down(void)
{
controller_param.readable = false;
}
static bool get_is_ready(void)
{
return controller_param.readable;
}
static const bt_bdaddr_t *get_address(void)
{
assert(controller_param.readable);
return &controller_param.address;
}
static const bt_version_t *get_bt_version(void)
{
assert(controller_param.readable);
return &controller_param.bt_version;
}
// TODO(zachoverflow): hide inside, move decoder inside too
static const bt_device_features_t *get_features_classic(int index)
{
assert(controller_param.readable);
assert(index < MAX_FEATURES_CLASSIC_PAGE_COUNT);
return &controller_param.features_classic[index];
}
static uint8_t get_last_features_classic_index(void)
{
assert(controller_param.readable);
return controller_param.last_features_classic_page_index;
}
static const bt_device_features_t *get_features_ble(void)
{
assert(controller_param.readable);
assert(controller_param.ble_supported);
return &controller_param.features_ble;
}
static const uint8_t *get_ble_supported_states(void)
{
assert(controller_param.readable);
assert(controller_param.ble_supported);
return controller_param.ble_supported_states;
}
static bool supports_simple_pairing(void)
{
assert(controller_param.readable);
return controller_param.simple_pairing_supported;
}
static bool supports_secure_connections(void)
{
assert(controller_param.readable);
return controller_param.secure_connections_supported;
}
static bool supports_simultaneous_le_bredr(void)
{
assert(controller_param.readable);
return HCI_SIMUL_LE_BREDR_SUPPORTED(controller_param.features_classic[0].as_array);
}
static bool supports_reading_remote_extended_features(void)
{
assert(controller_param.readable);
return HCI_READ_REMOTE_EXT_FEATURES_SUPPORTED(controller_param.supported_commands);
}
static bool supports_interlaced_inquiry_scan(void)
{
assert(controller_param.readable);
return HCI_LMP_INTERLACED_INQ_SCAN_SUPPORTED(controller_param.features_classic[0].as_array);
}
static bool supports_rssi_with_inquiry_results(void)
{
assert(controller_param.readable);
return HCI_LMP_INQ_RSSI_SUPPORTED(controller_param.features_classic[0].as_array);
}
static bool supports_extended_inquiry_response(void)
{
assert(controller_param.readable);
return HCI_EXT_INQ_RSP_SUPPORTED(controller_param.features_classic[0].as_array);
}
static bool supports_master_slave_role_switch(void)
{
assert(controller_param.readable);
return HCI_SWITCH_SUPPORTED(controller_param.features_classic[0].as_array);
}
static bool supports_ble(void)
{
assert(controller_param.readable);
return controller_param.ble_supported;
}
static bool supports_ble_privacy(void)
{
assert(controller_param.readable);
assert(controller_param.ble_supported);
return HCI_LE_ENHANCED_PRIVACY_SUPPORTED(controller_param.features_ble.as_array);
}
static bool supports_ble_packet_extension(void)
{
assert(controller_param.readable);
assert(controller_param.ble_supported);
return HCI_LE_DATA_LEN_EXT_SUPPORTED(controller_param.features_ble.as_array);
}
static bool supports_ble_connection_parameters_request(void)
{
assert(controller_param.readable);
assert(controller_param.ble_supported);
return HCI_LE_CONN_PARAM_REQ_SUPPORTED(controller_param.features_ble.as_array);
}
static uint16_t get_acl_data_size_classic(void)
{
assert(controller_param.readable);
return controller_param.acl_data_size_classic;
}
static uint16_t get_acl_data_size_ble(void)
{
assert(controller_param.readable);
assert(controller_param.ble_supported);
return controller_param.acl_data_size_ble;
}
static uint16_t get_acl_packet_size_classic(void)
{
assert(controller_param.readable);
return controller_param.acl_data_size_classic + HCI_DATA_PREAMBLE_SIZE;
}
static uint16_t get_acl_packet_size_ble(void)
{
assert(controller_param.readable);
return controller_param.acl_data_size_ble + HCI_DATA_PREAMBLE_SIZE;
}
static uint16_t get_ble_suggested_default_data_length(void)
{
assert(controller_param.readable);
assert(controller_param.ble_supported);
return controller_param.ble_suggested_default_data_length;
}
static uint16_t get_ble_suggested_default_data_txtime(void)
{
assert(controller_param.readable);
assert(controller_param.ble_supported);
return controller_param.ble_suggested_default_data_txtime;
}
static uint16_t get_acl_buffer_count_classic(void)
{
assert(controller_param.readable);
return controller_param.acl_buffer_count_classic;
}
static uint8_t get_acl_buffer_count_ble(void)
{
assert(controller_param.readable);
assert(controller_param.ble_supported);
return controller_param.acl_buffer_count_ble;
}
static uint8_t get_ble_white_list_size(void)
{
assert(controller_param.readable);
assert(controller_param.ble_supported);
return controller_param.ble_white_list_size;
}
static uint8_t get_ble_resolving_list_max_size(void)
{
assert(controller_param.readable);
assert(controller_param.ble_supported);
return controller_param.ble_resolving_list_max_size;
}
static void set_ble_resolving_list_max_size(int resolving_list_max_size)
{
assert(controller_param.readable);
assert(controller_param.ble_supported);
controller_param.ble_resolving_list_max_size = resolving_list_max_size;
}
#if (BLE_50_FEATURE_SUPPORT == TRUE)
static uint16_t ble_get_ext_adv_data_max_len(void)
{
assert(controller_param.readable);
assert(controller_param.ble_supported);
return controller_param.ble_ext_adv_data_max_len;
}
#endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
#if (BTM_SCO_HCI_INCLUDED == TRUE)
static uint8_t get_sco_data_size(void)
{
assert(controller_param.readable);
return controller_param.sco_data_size;
}
static uint8_t get_sco_buffer_count(void)
{
assert(controller_param.readable);
return controller_param.sco_buffer_count;
}
#endif /* (BTM_SCO_HCI_INCLUDED == TRUE) */
static const controller_t interface = {
start_up,
shut_down,
get_is_ready,
get_address,
get_bt_version,
get_features_classic,
get_last_features_classic_index,
get_features_ble,
get_ble_supported_states,
supports_simple_pairing,
supports_secure_connections,
supports_simultaneous_le_bredr,
supports_reading_remote_extended_features,
supports_interlaced_inquiry_scan,
supports_rssi_with_inquiry_results,
supports_extended_inquiry_response,
supports_master_slave_role_switch,
supports_ble,
supports_ble_packet_extension,
supports_ble_connection_parameters_request,
supports_ble_privacy,
get_acl_data_size_classic,
get_acl_data_size_ble,
get_acl_packet_size_classic,
get_acl_packet_size_ble,
get_ble_suggested_default_data_length,
get_ble_suggested_default_data_txtime,
get_acl_buffer_count_classic,
get_acl_buffer_count_ble,
get_ble_white_list_size,
get_ble_resolving_list_max_size,
set_ble_resolving_list_max_size,
#if (BLE_50_FEATURE_SUPPORT == TRUE)
ble_get_ext_adv_data_max_len,
#endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
#if (BTM_SCO_HCI_INCLUDED == TRUE)
get_sco_data_size,
get_sco_buffer_count,
#endif /* (BTM_SCO_HCI_INCLUDED == TRUE) */
};
const controller_t *controller_get_interface(void)
{
static bool loaded = false;
if (!loaded) {
loaded = true;
#if (BT_BLE_DYNAMIC_ENV_MEMORY == TRUE)
controller_param_ptr = (controller_local_param_t *)osi_calloc(sizeof(controller_local_param_t));
assert(controller_param_ptr);
#endif
controller_param.hci = hci_layer_get_interface();
controller_param.packet_factory = hci_packet_factory_get_interface();
controller_param.packet_parser = hci_packet_parser_get_interface();
}
return &interface;
}
lib/bt/host/bluedroid/device/include/device/bdaddr.h
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/******************************************************************************
*
* Copyright (C) 2014 Google, Inc.
*
* 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.
*
******************************************************************************/
#ifndef _BDADDR_H_
#define _BDADDR_H_
#include <stdbool.h>
#include <stddef.h>
#include "common/bt_defs.h"
#include "osi/hash_map.h"
// Note: the string representation of a bdaddr is expected to have the format
// xx:xx:xx:xx:xx:xx
// where each 'x' is a hex digit. The API presented in this header will accept
// both uppercase and lowercase digits but will only ever produce lowercase
// digits.
// Returns true if |addr| is the empty address (00:00:00:00:00:00).
// |addr| may not be NULL.
bool bdaddr_is_empty(const bt_bdaddr_t *addr);
// Returns true if |first| and |second| refer to the same address. Neither
// may be NULL.
bool bdaddr_equals(const bt_bdaddr_t *first, const bt_bdaddr_t *second);
// Returns destination bdaddr |dest| after copying |src| to |dest|.
// |dest| and |src| must not be NULL.
bt_bdaddr_t *bdaddr_copy(bt_bdaddr_t *dest, const bt_bdaddr_t *src);
// Makes a string representation of |addr| and places it into |string|. |size|
// refers to the size of |string|'s buffer and must be >= 18. On success, this
// function returns |string|, otherwise it returns NULL. Neither |addr| nor |string|
// may be NULL.
const char *bdaddr_to_string(const bt_bdaddr_t *addr, char *string, size_t size);
// Returns true if |string| represents a Bluetooth address. |string| may not be NULL.
bool string_is_bdaddr(const char *string);
// Converts |string| to bt_bdaddr_t and places it in |addr|. If |string| does not
// represent a Bluetooth address, |addr| is not modified and this function returns
// false. Otherwise, it returns true. Neither |string| nor |addr| may be NULL.
bool string_to_bdaddr(const char *string, bt_bdaddr_t *addr);
// A hash function tailored for bdaddrs.
hash_index_t hash_function_bdaddr(const void *key);
#endif
lib/bt/host/bluedroid/device/include/device/controller.h
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/******************************************************************************
*
* Copyright (C) 2014 Google, Inc.
*
* 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.
*
******************************************************************************/
#ifndef _CONTROLLER_H_
#define _CONTROLLER_H_
#include <stdbool.h>
#include <stdint.h>
#include "common/bt_target.h"
#include "device/bdaddr.h"
#include "device/device_features.h"
#include "hci/hci_layer.h"
#include "hci/hci_packet_factory.h"
#include "hci/hci_packet_parser.h"
typedef struct controller_t {
void (*start_up)(void);
void (*shut_down)(void);
bool (*get_is_ready)(void);
const bt_bdaddr_t *(*get_address)(void);
const bt_version_t *(*get_bt_version)(void);
const bt_device_features_t *(*get_features_classic)(int index);
uint8_t (*get_last_features_classic_index)(void);
const bt_device_features_t *(*get_features_ble)(void);
const uint8_t *(*get_ble_supported_states)(void);
bool (*supports_simple_pairing)(void);
bool (*supports_secure_connections)(void);
bool (*supports_simultaneous_le_bredr)(void);
bool (*supports_reading_remote_extended_features)(void);
bool (*supports_interlaced_inquiry_scan)(void);
bool (*supports_rssi_with_inquiry_results)(void);
bool (*supports_extended_inquiry_response)(void);
bool (*supports_master_slave_role_switch)(void);
bool (*supports_ble)(void);
bool (*supports_ble_packet_extension)(void);
bool (*supports_ble_connection_parameters_request)(void);
bool (*supports_ble_privacy)(void);
// Get the cached acl data sizes for the controller.
uint16_t (*get_acl_data_size_classic)(void);
uint16_t (*get_acl_data_size_ble)(void);
// Get the cached acl packet sizes for the controller.
// This is a convenience function for the respective
// acl data size + size of the acl header.
uint16_t (*get_acl_packet_size_classic)(void);
uint16_t (*get_acl_packet_size_ble)(void);
uint16_t (*get_ble_default_data_packet_length)(void);
uint16_t (*get_ble_default_data_packet_txtime)(void);
// Get the number of acl packets the controller can buffer.
uint16_t (*get_acl_buffer_count_classic)(void);
uint8_t (*get_acl_buffer_count_ble)(void);
uint8_t (*get_ble_white_list_size)(void);
uint8_t (*get_ble_resolving_list_max_size)(void);
void (*set_ble_resolving_list_max_size)(int resolving_list_max_size);
#if (BLE_50_FEATURE_SUPPORT == TRUE)
uint16_t (*ble_get_ext_adv_data_max_len)(void);
#endif // BLE_50_FEATURE_SUPPORT
#if (BTM_SCO_HCI_INCLUDED == TRUE)
// Get the number of sco packets the controller can buffer
uint8_t (*get_sco_data_size)(void);
uint8_t (*get_sco_buffer_count)(void);
#endif /* #if (BTM_SCO_HCI_INCLUDED == TRUE) */
} controller_t;
const controller_t *controller_get_interface(void);
#endif /*_CONTROLLER_H_*/
lib/bt/host/bluedroid/device/include/device/device_features.h
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/******************************************************************************
*
* Copyright (C) 2014 Google, Inc.
*
* 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.
*
******************************************************************************/
#ifndef _DEVICE_FEATURES_H_
#define _DEVICE_FEATURES_H_
#include <stdint.h>
// Represents a page of device feature enabled/disabled bits returned
// by the local controller. See the bluetooth spec for bit indexes.
typedef struct {
uint8_t as_array[8];
} bt_device_features_t;
#endif /*_DEVICE_FEATURES_H_*/
lib/bt/host/bluedroid/device/include/device/event_mask.h
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/******************************************************************************
*
* Copyright (C) 2014 Google, Inc.
*
* 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.
*
******************************************************************************/
#ifndef _EVENT_MASK_H_
#define _EVENT_MASK_H_
#include <stdint.h>
// Represents a mask which can be used to tell the controller which
// HCI events the stack wishes to be informed about. See the bluetooth
// spec for more information on what each bit means.
typedef struct {
uint8_t as_array[8];
} bt_event_mask_t;
#endif /*_EVENT_MASK_H_*/
lib/bt/host/bluedroid/device/include/device/interop.h
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/******************************************************************************
*
* Copyright (C) 2015 Google, Inc.
*
* 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.
*
******************************************************************************/
#ifndef _INTEROP_H_
#define _INTEROP_H_
#include <stdbool.h>
#include "common/bt_defs.h"
#include "common/bt_target.h"
typedef enum {
// Disable secure connections
// This is for pre BT 4.1/2 devices that do not handle secure mode
// very well.
INTEROP_DISABLE_LE_SECURE_CONNECTIONS,
// Some devices have proven problematic during the pairing process, often
// requiring multiple retries to complete pairing. To avoid degrading the user
// experience for those devices, automatically re-try pairing if page
// timeouts are received during pairing.
INTEROP_AUTO_RETRY_PAIRING
} interop_feature_t;
// Check if a given |addr| matches a known interoperability workaround as identified
// by the |interop_feature_t| enum. This API is used for simple address based lookups
// where more information is not available. No look-ups or random address resolution
// is performed on |addr|.
bool interop_match(const interop_feature_t feature, const bt_bdaddr_t *addr);
#endif /*_INTEROP_H_*/
lib/bt/host/bluedroid/device/include/device/interop_database.h
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/******************************************************************************
*
* Copyright (C) 2015 Google, Inc.
*
* 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.
*
******************************************************************************/
#ifndef _INTEROP_DATABASE_H_
#define _INTEROP_DATABASE_H_
#include "device/interop.h"
typedef struct {
bt_bdaddr_t addr;
uint8_t len;
interop_feature_t feature;
} interop_entry_t;
static const interop_entry_t interop_database[] = {
// Nexus Remote (Spike)
// Note: May affect other Asus brand devices
{{{0x08, 0x62, 0x66, 0, 0, 0}}, 3, INTEROP_DISABLE_LE_SECURE_CONNECTIONS},
{{{0x38, 0x2c, 0x4a, 0xc9, 0, 0}}, 4, INTEROP_DISABLE_LE_SECURE_CONNECTIONS},
{{{0x38, 0x2c, 0x4a, 0xe6, 0, 0}}, 4, INTEROP_DISABLE_LE_SECURE_CONNECTIONS},
{{{0x54, 0xa0, 0x50, 0xd9, 0, 0}}, 4, INTEROP_DISABLE_LE_SECURE_CONNECTIONS},
{{{0xac, 0x9e, 0x17, 0, 0, 0}}, 3, INTEROP_DISABLE_LE_SECURE_CONNECTIONS},
{{{0xf0, 0x79, 0x59, 0, 0, 0}}, 3, INTEROP_DISABLE_LE_SECURE_CONNECTIONS},
// Motorola Key Link
{{{0x1c, 0x96, 0x5a, 0, 0, 0}}, 3, INTEROP_DISABLE_LE_SECURE_CONNECTIONS},
// Flic smart button
{{{0x80, 0xe4, 0xda, 0x70, 0, 0}}, 4, INTEROP_DISABLE_LE_SECURE_CONNECTIONS},
// BMW car kits (Harman/Becker)
{{{0x9c, 0xdf, 0x03, 0, 0, 0}}, 3, INTEROP_AUTO_RETRY_PAIRING}
};
#endif /*_INTEROP_DATABASE_H_*/
lib/bt/host/bluedroid/device/include/device/version.h
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/******************************************************************************
*
* Copyright (C) 2014 Google, Inc.
*
* 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.
*
******************************************************************************/
#ifndef _VERSION_H_
#define _VERSION_H_
#include <stdint.h>
typedef struct {
uint8_t hci_version;
uint16_t hci_revision;
uint8_t lmp_version;
uint16_t manufacturer;
uint16_t lmp_subversion;
} bt_version_t;
#endif /*_VERSION_H_*/
lib/bt/host/bluedroid/device/interop.c
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/******************************************************************************
*
* Copyright (C) 2015 Google, Inc.
*
* 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.
*
******************************************************************************/
/*
#define LOG_TAG "bt_device_interop"
*/
#include <string.h> // For memcmp
#include "common/bt_trace.h"
#include "device/bdaddr.h"
#include "device/interop.h"
#include "device/interop_database.h"
#define CASE_RETURN_STR(const) case const: return #const;
#if (SMP_INCLUDED == TRUE)
#if (!CONFIG_BT_STACK_NO_LOG)
static const char *interop_feature_string(const interop_feature_t feature)
{
switch (feature) {
CASE_RETURN_STR(INTEROP_DISABLE_LE_SECURE_CONNECTIONS)
CASE_RETURN_STR(INTEROP_AUTO_RETRY_PAIRING)
}
return "UNKNOWN";
}
#endif // (!CONFIG_BT_STACK_NO_LOG)
// Interface functions
bool interop_match(const interop_feature_t feature, const bt_bdaddr_t *addr)
{
assert(addr);
const size_t db_size = sizeof(interop_database) / sizeof(interop_entry_t);
for (size_t i = 0; i != db_size; ++i) {
if (feature == interop_database[i].feature &&
memcmp(addr, &interop_database[i].addr, interop_database[i].len) == 0) {
#if (!CONFIG_BT_STACK_NO_LOG)
char bdstr[20] = {0};
#endif
LOG_WARN("%s() Device %s is a match for interop workaround %s", __func__,
bdaddr_to_string(addr, bdstr, sizeof(bdstr)), interop_feature_string(feature));
return true;
}
}
return false;
}
#endif ///SMP_INCLUDED == TRUE