| /****************************************************************************** |
| * |
| * 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 fixed_queue_t* btu_general_alarm_queue; |
| 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_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_RESULTS*)&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_queue(btm_cb.devcb.read_local_name_timer, |
| BTM_DEV_NAME_REPLY_TIMEOUT_MS, btm_read_local_name_timeout, |
| NULL, btu_general_alarm_queue); |
| |
| 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(BD_ADDR bd_addr, tBTM_CMPL_CB* p_cb) { |
| BD_ADDR local_bd_addr; |
| bool delete_all_flag = false; |
| |
| /* Check if the previous command is completed */ |
| if (btm_cb.devcb.p_stored_link_key_cmpl_cb) return (BTM_BUSY); |
| |
| if (!bd_addr) { |
| /* This is to delete all link keys */ |
| delete_all_flag = true; |
| |
| /* We don't care the BD address. Just pass a non zero pointer */ |
| bd_addr = local_bd_addr; |
| } |
| |
| BTM_TRACE_EVENT("BTM: BTM_DeleteStoredLinkKey: delete_all_flag: %s", |
| delete_all_flag ? "true" : "false"); |
| |
| /* Send the HCI command */ |
| btm_cb.devcb.p_stored_link_key_cmpl_cb = p_cb; |
| 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); |
| } |
