48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
/**
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* @file usbd_audio.h
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* @brief
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*
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* Copyright (c) 2022 sakumisu
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. 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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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*/
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#ifndef _USBD_AUDIO_H_
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#define _USBD_AUDIO_H_
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#include "usb_audio.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct usbd_audio_control_info {
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uint16_t vol_min;
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uint16_t vol_max;
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uint16_t vol_res;
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uint16_t vol_current;
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uint8_t mute;
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};
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void usbd_audio_add_interface(usbd_class_t *class, usbd_interface_t *intf);
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void usbd_audio_set_interface_callback(uint8_t value);
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void usbd_audio_set_volume(uint8_t vol);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _USB_AUDIO_H_ */
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