100 lines
3.4 KiB
C
100 lines
3.4 KiB
C
/******************************************************************************
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*
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* Copyright (C) 2014 Google, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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#ifndef _HCI_LAYER_H_
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#define _HCI_LAYER_H_
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#include "bt_types.h"
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#include "allocator.h"
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#include "fixed_queue.h"
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#include "osi.h"
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#include "future.h"
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///// LEGACY DEFINITIONS /////
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/* Message event mask across Host/Controller lib and stack */
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#define MSG_EVT_MASK 0xFF00 /* eq. BT_EVT_MASK */
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#define MSG_SUB_EVT_MASK 0x00FF /* eq. BT_SUB_EVT_MASK */
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/* Message event ID passed from Host/Controller lib to stack */
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#define MSG_HC_TO_STACK_HCI_ERR 0x1300 /* eq. BT_EVT_TO_BTU_HCIT_ERR */
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#define MSG_HC_TO_STACK_HCI_ACL 0x1100 /* eq. BT_EVT_TO_BTU_HCI_ACL */
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#define MSG_HC_TO_STACK_HCI_SCO 0x1200 /* eq. BT_EVT_TO_BTU_HCI_SCO */
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#define MSG_HC_TO_STACK_HCI_EVT 0x1000 /* eq. BT_EVT_TO_BTU_HCI_EVT */
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#define MSG_HC_TO_STACK_L2C_SEG_XMIT 0x1900 /* eq. BT_EVT_TO_BTU_L2C_SEG_XMIT */
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/* Message event ID passed from stack to vendor lib */
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#define MSG_STACK_TO_HC_HCI_ACL 0x2100 /* eq. BT_EVT_TO_LM_HCI_ACL */
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#define MSG_STACK_TO_HC_HCI_SCO 0x2200 /* eq. BT_EVT_TO_LM_HCI_SCO */
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#define MSG_STACK_TO_HC_HCI_CMD 0x2000 /* eq. BT_EVT_TO_LM_HCI_CMD */
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/* Local Bluetooth Controller ID for BR/EDR */
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#define LOCAL_BR_EDR_CONTROLLER_ID 0
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///// END LEGACY DEFINITIONS /////
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typedef struct hci_hal_t hci_hal_t;
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//typedef struct btsnoop_t btsnoop_t;
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typedef struct controller_t controller_t;
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//typedef struct hci_inject_t hci_inject_t;
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typedef struct packet_fragmenter_t packet_fragmenter_t;
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//typedef struct vendor_t vendor_t;
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//typedef struct low_power_manager_t low_power_manager_t;
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//typedef unsigned char * bdaddr_t;
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typedef uint16_t command_opcode_t;
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/*
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typedef enum {
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LPM_DISABLE,
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LPM_ENABLE,
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LPM_WAKE_ASSERT,
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LPM_WAKE_DEASSERT
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} low_power_command_t;
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*/
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typedef void (*command_complete_cb)(BT_HDR *response, void *context);
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typedef void (*command_status_cb)(uint8_t status, BT_HDR *command, void *context);
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typedef struct hci_t {
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// Send a low power command, if supported and the low power manager is enabled.
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//void (*send_low_power_command)(low_power_command_t command);
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// Do the postload sequence (call after the rest of the BT stack initializes).
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void (*do_postload)(void);
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// Send a command through the HCI layer
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void (*transmit_command)(
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BT_HDR *command,
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command_complete_cb complete_callback,
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command_status_cb status_cb,
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void *context
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);
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future_t *(*transmit_command_futured)(BT_HDR *command);
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// Send some data downward through the HCI layer
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void (*transmit_downward)(uint16_t type, void *data);
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} hci_t;
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const hci_t *hci_layer_get_interface();
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int hci_start_up(void);
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void hci_shut_down(void);
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#endif /* _HCI_LAYER_H_ */
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