111 lines
3.0 KiB
C
111 lines
3.0 KiB
C
/*
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******************************************************************************
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* @file usb_audio.h
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* @author FreqChip Firmware Team
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* @version V1.0.0
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* @date 2021
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* @brief Header file for usb_audio.c file
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2021 FreqChip.
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* All rights reserved.
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******************************************************************************
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*/
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#ifndef __USB_AUDIO_H__
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#define __USB_AUDIO_H__
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#include "stdint.h"
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#include "stdbool.h"
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#include "string.h"
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#include "usb_core.h"
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#include "usb_dev.h"
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#define USB_AUDIO_VOLUME_MAX (0xAF)
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#define USB_AUDIO_DATA_WIDTH_16BIT (16)
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#define USB_AUDIO_DATA_WIDTH_24BIT (24)
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/* Audio Class Specific Request Codes */
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typedef enum
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{
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SET_CUR = 0x01,
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GET_CUR = 0x81,
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SET_MIN = 0x02,
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GET_MIN = 0x82,
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SET_MAX = 0x03,
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GET_MAX = 0x83,
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SET_RES = 0x04,
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GET_RES = 0x84,
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SET_MEM = 0x05,
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GET_MEM = 0x85,
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GET_STAT = 0xFF,
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}Audio_Class_Specific_Request_Codes;
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/* Feature Unit Control Selectors */
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typedef enum
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{
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FU_CONTROL_UNDEFINED = 0x00,
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MUTE_CONTROL = 0x01,
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VOLUME_CONTROL = 0x02,
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BASS_CONTROL = 0x03,
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MID_CONTROL = 0x04,
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TREBLE_CONTROL = 0x05,
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GRAPHIC_EQUALIZER_CONTROL = 0x06,
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AUTOMATIC_GAIN_CONTROL = 0x07,
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DELAY_CONTROL = 0x08,
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BASS_BOOST_CONTROL = 0x09,
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LOUDNESS_CONTROL = 0x0A,
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}Feature_Unit_Control_Selectors;
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/* Endpoint Control Selectors */
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typedef enum
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{
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EP_CONTROL_UNDEFINED = 0x00,
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SAMPLING_FREQ_CONTROL = 0x01,
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PITCH_CONTROL = 0x02,
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}Endpoint_Control_Selectors;
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/* Audio report */
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typedef enum
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{
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AUDIO_REPORT_MUTE = 0x01,
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AUDIO_REPORT_VOL_DEC = 0x02,
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AUDIO_REPORT_VOL_INC = 0x04,
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AUDIO_REPORT_PREVIOUS = 0x08,
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AUDIO_REPORT_PLAY_PAUSE = 0x10,
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AUDIO_REPORT_NEXT = 0x20,
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AUDIO_REPORT_STOP = 0x40,
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AUDIO_REPORT_RSV = 0x80,
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}Audio_Report;
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/* Exported Variate ----------------------------------------------------------*/
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/* Exported functions --------------------------------------------------------*/
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/* usb_audio_init */
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void usb_audio_init(void);
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/* usb_hid_set_Audio_report */
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void usb_hid_set_Audio_report(uint8_t fu8_Value);
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/* usb_hid_send_Audio_report */
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int usb_hid_send_Audio_report(void);
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/* get Speaker Packet Length/Data Bit Width */
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/* get Mic Packet Length/Data Bit Width */
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uint32_t usb_Audio_get_Speaker_Packet_Length(void);
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uint32_t usb_Audio_get_Speaker_Bit_Width(void);
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uint32_t usb_Audio_get_Mic_Packet_Length(void);
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uint32_t usb_Audio_get_Mic_Bit_Width(void);
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uint32_t usb_Audio_get_Speaker_Mute_status(void);
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uint32_t usb_Audio_get_Mic_Mute_status(void);
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uint32_t usb_Audio_get_Speaker_Volume(void);
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uint32_t usb_Audio_get_Mic_Volume(void);
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uint32_t usb_Audio_get_Speaker_SamplingFreq(void);
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uint32_t usb_Audio_get_Mic_SamplingFreq(void);
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#endif
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