| /****************************************************************************** |
| * |
| * 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. |
| * |
| ******************************************************************************/ |
| |
| #pragma once |
| |
| #include <stdbool.h> |
| |
| #include "osi/include/allocator.h" |
| #include "osi/include/data_dispatcher.h" |
| #include "osi/include/fixed_queue.h" |
| #include "osi/include/future.h" |
| #include "osi/include/osi.h" |
| #include "bt_types.h" |
| |
| static const char HCI_MODULE[] = "hci_module"; |
| |
| ///// LEGACY DEFINITIONS ///// |
| |
| /* Message event mask across Host/Controller lib and stack */ |
| #define MSG_EVT_MASK 0xFF00 /* eq. BT_EVT_MASK */ |
| #define MSG_SUB_EVT_MASK 0x00FF /* eq. BT_SUB_EVT_MASK */ |
| |
| /* Message event ID passed from Host/Controller lib to stack */ |
| #define MSG_HC_TO_STACK_HCI_ERR 0x1300 /* eq. BT_EVT_TO_BTU_HCIT_ERR */ |
| #define MSG_HC_TO_STACK_HCI_ACL 0x1100 /* eq. BT_EVT_TO_BTU_HCI_ACL */ |
| #define MSG_HC_TO_STACK_HCI_SCO 0x1200 /* eq. BT_EVT_TO_BTU_HCI_SCO */ |
| #define MSG_HC_TO_STACK_HCI_EVT 0x1000 /* eq. BT_EVT_TO_BTU_HCI_EVT */ |
| #define MSG_HC_TO_STACK_L2C_SEG_XMIT 0x1900 /* eq. BT_EVT_TO_BTU_L2C_SEG_XMIT */ |
| |
| /* Message event ID passed from stack to vendor lib */ |
| #define MSG_STACK_TO_HC_HCI_ACL 0x2100 /* eq. BT_EVT_TO_LM_HCI_ACL */ |
| #define MSG_STACK_TO_HC_HCI_SCO 0x2200 /* eq. BT_EVT_TO_LM_HCI_SCO */ |
| #define MSG_STACK_TO_HC_HCI_CMD 0x2000 /* eq. BT_EVT_TO_LM_HCI_CMD */ |
| |
| /* Local Bluetooth Controller ID for BR/EDR */ |
| #define LOCAL_BR_EDR_CONTROLLER_ID 0 |
| |
| ///// END LEGACY DEFINITIONS ///// |
| |
| typedef struct hci_hal_t hci_hal_t; |
| typedef struct btsnoop_t btsnoop_t; |
| typedef struct controller_t controller_t; |
| typedef struct hci_inject_t hci_inject_t; |
| typedef struct packet_fragmenter_t packet_fragmenter_t; |
| typedef struct vendor_t vendor_t; |
| typedef struct low_power_manager_t low_power_manager_t; |
| |
| typedef unsigned char * bdaddr_t; |
| typedef uint16_t command_opcode_t; |
| |
| typedef enum { |
| LPM_DISABLE, |
| LPM_ENABLE, |
| LPM_WAKE_ASSERT, |
| LPM_WAKE_DEASSERT |
| } low_power_command_t; |
| |
| typedef void (*command_complete_cb)(BT_HDR *response, void *context); |
| typedef void (*command_status_cb)(uint8_t status, BT_HDR *command, void *context); |
| |
| typedef struct hci_t { |
| // Send a low power command, if supported and the low power manager is enabled. |
| void (*send_low_power_command)(low_power_command_t command); |
| |
| // Do the postload sequence (call after the rest of the BT stack initializes). |
| void (*do_postload)(void); |
| |
| // Register with this data dispatcher to receive events flowing upward out of the HCI layer |
| data_dispatcher_t *event_dispatcher; |
| |
| // Set the queue to receive ACL data in |
| void (*set_data_queue)(fixed_queue_t *queue); |
| |
| // Send a command through the HCI layer |
| void (*transmit_command)( |
| BT_HDR *command, |
| command_complete_cb complete_callback, |
| command_status_cb status_cb, |
| void *context |
| ); |
| |
| future_t *(*transmit_command_futured)(BT_HDR *command); |
| |
| // Send some data downward through the HCI layer |
| void (*transmit_downward)(data_dispatcher_type_t type, void *data); |
| } hci_t; |
| |
| const hci_t *hci_layer_get_interface(); |
| |
| const hci_t *hci_layer_get_test_interface( |
| const allocator_t *buffer_allocator_interface, |
| const hci_hal_t *hal_interface, |
| const btsnoop_t *btsnoop_interface, |
| const hci_inject_t *hci_inject_interface, |
| const packet_fragmenter_t *packet_fragmenter_interface, |
| const vendor_t *vendor_interface, |
| const low_power_manager_t *low_power_manager_interface); |