158 lines
4.6 KiB
C
158 lines
4.6 KiB
C
/***************************************************************************
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*
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* Copyright 2015-2019 BES.
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* All rights reserved. All unpublished rights reserved.
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*
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* No part of this work may be used or reproduced in any form or by any
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* means, or stored in a database or retrieval system, without prior written
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* permission of BES.
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*
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* Use of this work is governed by a license granted by BES.
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* This work contains confidential and proprietary information of
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* BES. which is protected by copyright, trade secret,
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* trademark and other intellectual property rights.
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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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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "stdint.h"
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#include "hal_usb.h"
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enum USB_AUDIO_ITF_ID_T {
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USB_AUDIO_ITF_ID_RECV,
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USB_AUDIO_ITF_ID_SEND,
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#ifdef USB_AUDIO_MULTIFUNC
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USB_AUDIO_ITF_ID_RECV2,
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#endif
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USB_AUDIO_ITF_ID_QTY
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};
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enum USB_AUDIO_ITF_CMD_T {
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USB_AUDIO_ITF_STOP,
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USB_AUDIO_ITF_START_16BIT,
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USB_AUDIO_ITF_START_24BIT,
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USB_AUDIO_ITF_START_32BIT,
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USB_AUDIO_ITF_CMD_QTY
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};
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enum USB_AUDIO_STATE_EVENT_T {
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USB_AUDIO_STATE_RESET, // RESET event should be processed as quickly as possible
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USB_AUDIO_STATE_DISCONNECT,
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USB_AUDIO_STATE_SLEEP,
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USB_AUDIO_STATE_WAKEUP,
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USB_AUDIO_STATE_CONFIG,
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USB_AUDIO_STATE_RECV_PAUSE,
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USB_AUDIO_STATE_RECV_CONTINUE,
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USB_AUDIO_STATE_SET_RECV_RATE,
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USB_AUDIO_STATE_SET_SEND_RATE,
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USB_AUDIO_STATE_RECV2_PAUSE,
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USB_AUDIO_STATE_RECV2_CONTINUE,
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USB_AUDIO_STATE_EVENT_QTY
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};
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enum USB_AUDIO_HID_EVENT_T {
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USB_AUDIO_HID_VOL_UP = (1 << 0),
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USB_AUDIO_HID_VOL_DOWN = (1 << 1),
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USB_AUDIO_HID_PLAY_PAUSE = (1 << 2),
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USB_AUDIO_HID_SCAN_NEXT = (1 << 3),
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USB_AUDIO_HID_SCAN_PREV = (1 << 4),
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USB_AUDIO_HID_STOP = (1 << 5),
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USB_AUDIO_HID_FAST_FWD = (1 << 6),
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USB_AUDIO_HID_REWIND = (1 << 7),
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USB_AUDIO_HID_VOL_MUTE = (1 << 8),
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USB_AUDIO_HID_VOICE_CMD = (1 << 9),
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USB_AUDIO_HID_REDIAL = (1 << 10),
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USB_AUDIO_HID_HOOK_SWITCH = (1 << 11),
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USB_AUDIO_HID_MIC_MUTE = (1 << 12),
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USB_AUDIO_HID_VOICE_MAIL = (1 << 13),
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USB_AUDIO_HID_RESERVED_14 = (1 << 14),
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USB_AUDIO_HID_RESERVED_15 = (1 << 15),
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};
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struct USB_AUDIO_XFER_INFO_T {
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const uint8_t *data;
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uint32_t size;
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uint32_t next_size;
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bool pool_enabled;
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int8_t cur_compl_err;
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int8_t next_xfer_err;
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};
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struct USB_AUDIO_VENDOR_MSG_T {
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const struct SETUP_PACKET *pkt;
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uint8_t *data;
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uint16_t length;
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};
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typedef void (*USB_AUDIO_ITF_CALLBACK)(enum USB_AUDIO_ITF_ID_T id, enum USB_AUDIO_ITF_CMD_T cmd);
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typedef void (*USB_AUDIO_MUTE_CALLBACK)(enum USB_AUDIO_ITF_ID_T id, uint32_t mute);
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typedef void (*USB_AUDIO_SET_VOLUME)(enum USB_AUDIO_ITF_ID_T id, uint32_t percent);
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typedef uint32_t (*USB_AUDIO_GET_VOLUME)(enum USB_AUDIO_ITF_ID_T id);
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typedef void (*USB_AUDIO_XFER_CALLBACK)(enum USB_AUDIO_ITF_ID_T id, const struct USB_AUDIO_XFER_INFO_T *info);
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typedef void (*USB_AUDIO_STATE_CALLBACK)(enum USB_AUDIO_STATE_EVENT_T event, uint32_t param);
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typedef void (*HID_XFER_CALLBACK)(enum USB_AUDIO_HID_EVENT_T event, int error);
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typedef int (*USB_AUDIO_VENDOR_MSG_CALLBACK)(struct USB_AUDIO_VENDOR_MSG_T *msg);
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struct USB_AUDIO_CFG_T {
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uint32_t recv_sample_rate;
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uint32_t send_sample_rate;
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uint8_t *vendor_rx_buf;
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uint16_t vendor_rx_size;
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USB_AUDIO_ITF_CALLBACK itf_callback;
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USB_AUDIO_MUTE_CALLBACK mute_callback;
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USB_AUDIO_SET_VOLUME set_volume;
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USB_AUDIO_GET_VOLUME get_volume;
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USB_AUDIO_STATE_CALLBACK state_callback;
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USB_AUDIO_XFER_CALLBACK xfer_callback;
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HID_XFER_CALLBACK hid_send_callback;
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USB_AUDIO_VENDOR_MSG_CALLBACK vendor_msg_callback;
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};
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int usb_audio_open(const struct USB_AUDIO_CFG_T *cfg);
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void usb_audio_close(void);
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int usb_audio_recv_ready(void);
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int usb_audio_send_ready(void);
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int usb_audio_start_recv(uint8_t *buf, uint32_t pos, uint32_t size);
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void usb_audio_stop_recv(void);
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int usb_audio_start_send(const uint8_t *buf, uint32_t pos, uint32_t size);
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void usb_audio_stop_send(void);
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void usb_audio_pause_send(void);
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int usb_audio_continue_send(uint32_t pos);
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int usb_audio_set_recv_pos(uint32_t pos);
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int usb_audio_set_send_pos(uint32_t pos);
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void usb_audio_hid_set_event(enum USB_AUDIO_HID_EVENT_T event, int state);
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const char *usb_audio_get_hid_event_name(enum USB_AUDIO_HID_EVENT_T event);
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int usb_audio_start_recv2(uint8_t *buf, uint32_t pos, uint32_t size);
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void usb_audio_stop_recv2(void);
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int usb_audio_set_recv2_pos(uint32_t pos);
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#ifdef __cplusplus
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}
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#endif
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#endif
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