110 lines
4.5 KiB
C
Executable File
110 lines
4.5 KiB
C
Executable File
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2020 Jerzy Kasenberg
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* This file is part of the TinyUSB stack.
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*/
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#ifndef _TUSB_BTH_DEVICE_H_
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#define _TUSB_BTH_DEVICE_H_
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#include <common/tusb_common.h>
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#include <device/usbd.h>
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//--------------------------------------------------------------------+
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// Class Driver Configuration
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//--------------------------------------------------------------------+
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#ifndef CFG_TUD_BTH_EVENT_EPSIZE
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#define CFG_TUD_BTH_EVENT_EPSIZE 16
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#endif
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#ifndef CFG_TUD_BTH_DATA_EPSIZE
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#define CFG_TUD_BTH_DATA_EPSIZE 64
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#endif
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typedef struct TU_ATTR_PACKED
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{
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uint16_t op_code;
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uint8_t param_length;
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uint8_t param[255];
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} bt_hci_cmd_t;
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#ifdef __cplusplus
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extern "C" {
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#endif
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//--------------------------------------------------------------------+
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// Application Callback API (weak is optional)
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//--------------------------------------------------------------------+
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// Invoked when HCI command was received over USB from Bluetooth host.
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// Detailed format is described in Bluetooth core specification Vol 2,
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// Part E, 5.4.1.
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// Length of the command is from 3 bytes (2 bytes for OpCode,
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// 1 byte for parameter total length) to 258.
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TU_ATTR_WEAK void tud_bt_hci_cmd_cb(void *hci_cmd, size_t cmd_len);
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// Invoked when ACL data was received over USB from Bluetooth host.
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// Detailed format is described in Bluetooth core specification Vol 2,
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// Part E, 5.4.2.
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// Length is from 4 bytes, (12 bits for Handle, 4 bits for flags
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// and 16 bits for data total length) to endpoint size.
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TU_ATTR_WEAK void tud_bt_acl_data_received_cb(void *acl_data, uint16_t data_len);
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// Called when event sent with tud_bt_event_send() was delivered to BT stack.
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// Controller can release/reuse buffer with Event packet at this point.
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TU_ATTR_WEAK void tud_bt_event_sent_cb(uint16_t sent_bytes);
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// Called when ACL data that was sent with tud_bt_acl_data_send()
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// was delivered to BT stack.
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// Controller can release/reuse buffer with ACL packet at this point.
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TU_ATTR_WEAK void tud_bt_acl_data_sent_cb(uint16_t sent_bytes);
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// Bluetooth controller calls this function when it wants to send even packet
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// as described in Bluetooth core specification Vol 2, Part E, 5.4.4.
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// Event has at least 2 bytes, first is Event code second contains parameter
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// total length. Controller can release/reuse event memory after
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// tud_bt_event_sent_cb() is called.
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bool tud_bt_event_send(void *event, uint16_t event_len);
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// Bluetooth controller calls this to send ACL data packet
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// as described in Bluetooth core specification Vol 2, Part E, 5.4.2
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// Minimum length is 4 bytes, (12 bits for Handle, 4 bits for flags
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// and 16 bits for data total length). Upper limit is not limited
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// to endpoint size since buffer is allocate by controller
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// and must not be reused till tud_bt_acl_data_sent_cb() is called.
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bool tud_bt_acl_data_send(void *acl_data, uint16_t data_len);
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//--------------------------------------------------------------------+
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// Internal Class Driver API
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//--------------------------------------------------------------------+
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void btd_init (void);
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void btd_reset (uint8_t rhport);
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uint16_t btd_open (uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint16_t max_len);
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bool btd_control_xfer_cb (uint8_t rhport, uint8_t stage, tusb_control_request_t const *request);
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bool btd_xfer_cb (uint8_t rhport, uint8_t edpt_addr, xfer_result_t result, uint32_t xferred_bytes);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _TUSB_BTH_DEVICE_H_ */
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