hid_device.h

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/*
 * Copyright 2025 Xiaomi Corporation
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_BLUETOOTH_CLASSIC_HID_DEVICE_H_
#define ZEPHYR_INCLUDE_BLUETOOTH_CLASSIC_HID_DEVICE_H_

 
#include <stdbool.h>
#include <stdint.h>
 
#include <zephyr/bluetooth/conn.h>
#include <zephyr/net_buf.h>
 
#ifdef __cplusplus
extern "C" {
#endif

#define BT_HID_PROTOCOL_BOOT_MODE   0x00
#define BT_HID_PROTOCOL_REPORT_MODE 0x01

#define BT_HID_REPORT_TYPE_INPUT   0x01
#define BT_HID_REPORT_TYPE_OUTPUT  0x02
#define BT_HID_REPORT_TYPE_FEATURE 0x03
 
struct bt_hid_device;

struct bt_hid_device_cb {
        void (*connected)(struct bt_hid_device *hid);

        void (*disconnected)(struct bt_hid_device *hid);

        int (*set_report)(struct bt_hid_device *hid, uint8_t type, struct net_buf *buf);

        int (*get_report)(struct bt_hid_device *hid, uint8_t type, bool size_present,
                          struct net_buf *req, struct net_buf *rsp);

        int (*set_protocol)(struct bt_hid_device *hid, uint8_t protocol);

        void (*output_report)(struct bt_hid_device *hid, struct net_buf *buf);

        void (*vc_unplug)(struct bt_hid_device *hid);

        void (*suspend)(struct bt_hid_device *hid, bool suspended);
};

int bt_hid_device_register(const struct bt_hid_device_cb *cb);

int bt_hid_device_unregister(void);

int bt_hid_device_connect(struct bt_conn *conn, struct bt_hid_device **hid);

int bt_hid_device_disconnect(struct bt_hid_device *hid);

struct net_buf *bt_hid_device_create_pdu(struct net_buf_pool *pool);

int bt_hid_device_input_report(struct bt_hid_device *hid, struct net_buf *buf);

int bt_hid_device_virtual_cable_unplug(struct bt_hid_device *hid);

struct bt_conn *bt_hid_device_get_conn(struct bt_hid_device *hid);
 
#ifdef __cplusplus
}
#endif

 
#endif /* ZEPHYR_INCLUDE_BLUETOOTH_CLASSIC_HID_DEVICE_H_ */