mirror of
https://github.com/ArteryTek/AT32F415_Firmware_Library.git
synced 2026-05-21 01:12:20 +00:00
upload version v2.0.0
This commit is contained in:
Artery-MCU
631
middlewares/usbd_class/audio/audio_class.c
Normal file
631
middlewares/usbd_class/audio/audio_class.c
Normal file
@@ -0,0 +1,631 @@
|
||||
/**
|
||||
**************************************************************************
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||||
* @file audio_class.c
|
||||
* @version v2.0.0
|
||||
* @date 2021-11-26
|
||||
* @brief usb audio class type
|
||||
**************************************************************************
|
||||
* Copyright notice & Disclaimer
|
||||
*
|
||||
* The software Board Support Package (BSP) that is made available to
|
||||
* download from Artery official website is the copyrighted work of Artery.
|
||||
* Artery authorizes customers to use, copy, and distribute the BSP
|
||||
* software and its related documentation for the purpose of design and
|
||||
* development in conjunction with Artery microcontrollers. Use of the
|
||||
* software is governed by this copyright notice and the following disclaimer.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
|
||||
* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
|
||||
* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
|
||||
* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
|
||||
* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
|
||||
*
|
||||
**************************************************************************
|
||||
*/
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||||
#include "usbd_core.h"
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||||
#include "audio_class.h"
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#include "audio_desc.h"
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#include "audio_codec.h"
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/** @addtogroup AT32F415_middlewares_usbd_class
|
||||
* @{
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||||
*/
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||||
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||||
/** @defgroup USB_audio_class
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||||
* @brief usb device class audio demo
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||||
* @{
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||||
*/
|
||||
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||||
/** @defgroup USB_audio_class_private_functions
|
||||
* @{
|
||||
*/
|
||||
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||||
usb_sts_type class_init_handler(void *udev);
|
||||
usb_sts_type class_clear_handler(void *udev);
|
||||
usb_sts_type class_setup_handler(void *udev, usb_setup_type *setup);
|
||||
usb_sts_type class_ept0_tx_handler(void *udev);
|
||||
usb_sts_type class_ept0_rx_handler(void *udev);
|
||||
usb_sts_type class_in_handler(void *udev, uint8_t ept_num);
|
||||
usb_sts_type class_out_handler(void *udev, uint8_t ept_num);
|
||||
usb_sts_type class_sof_handler(void *udev);
|
||||
usb_sts_type class_event_handler(void *udev, usbd_event_type event);
|
||||
|
||||
void audio_inisoincom_event(void *udev);
|
||||
void audio_req_get_cur(void *udev, usb_setup_type *setup);
|
||||
void audio_req_set_cur(void *udev, usb_setup_type *setup);
|
||||
void audio_req_get_min(void *udev, usb_setup_type *setup);
|
||||
void audio_req_get_max(void *udev, usb_setup_type *setup);
|
||||
void audio_req_get_res(void *udev, usb_setup_type *setup);
|
||||
void audio_get_interface(void *udev, usb_setup_type *setup);
|
||||
void audio_set_interface(void *udev, usb_setup_type *setup);
|
||||
|
||||
usb_audio_type audio_struct = {0, 0, 0, 0, 0, 0x1400, 0, 0, 0, {0x0000, 0x1400, 0x33}, {0x0000, 0x1400, 0x33}};
|
||||
|
||||
/* usb device class handler */
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||||
usbd_class_handler audio_class_handler =
|
||||
{
|
||||
class_init_handler,
|
||||
class_clear_handler,
|
||||
class_setup_handler,
|
||||
class_ept0_tx_handler,
|
||||
class_ept0_rx_handler,
|
||||
class_in_handler,
|
||||
class_out_handler,
|
||||
class_sof_handler,
|
||||
class_event_handler,
|
||||
};
|
||||
|
||||
/**
|
||||
* @brief initialize usb custom hid endpoint
|
||||
* @param udev: usb device core handler type
|
||||
* @retval status of usb_sts_type
|
||||
*/
|
||||
usb_sts_type class_init_handler(void *udev)
|
||||
{
|
||||
usb_sts_type status = USB_OK;
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||||
usbd_core_type *pudev = (usbd_core_type *)udev;
|
||||
|
||||
/* open microphone in endpoint */
|
||||
usbd_ept_open(pudev, USBD_AUDIO_MIC_IN_EPT, EPT_ISO_TYPE, AUDIO_MIC_IN_MAXPACKET_SIZE);
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||||
|
||||
/* open speaker out endpoint */
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||||
usbd_ept_open(pudev, USBD_AUDIO_SPK_OUT_EPT, EPT_ISO_TYPE, AUDIO_SPK_OUT_MAXPACKET_SIZE);
|
||||
#if AUDIO_SUPPORT_FEEDBACK
|
||||
/* open speaker feedback endpoint */
|
||||
usbd_ept_open(pudev, USBD_AUDIO_FEEDBACK_EPT, EPT_ISO_TYPE, AUDIO_FEEDBACK_MAXPACKET_SIZE);
|
||||
#endif
|
||||
/* start receive speaker out data */
|
||||
usbd_ept_recv(pudev, USBD_AUDIO_SPK_OUT_EPT, audio_struct.audio_spk_data, AUDIO_SPK_OUT_MAXPACKET_SIZE);
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief clear endpoint or other state
|
||||
* @param udev: usb device core handler type
|
||||
* @retval status of usb_sts_type
|
||||
*/
|
||||
usb_sts_type class_clear_handler(void *udev)
|
||||
{
|
||||
usb_sts_type status = USB_OK;
|
||||
usbd_core_type *pudev = (usbd_core_type *)udev;
|
||||
|
||||
/* close in endpoint */
|
||||
usbd_ept_close(pudev, USBD_AUDIO_MIC_IN_EPT);
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||||
|
||||
/* close in endpoint */
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||||
usbd_ept_close(pudev, USBD_AUDIO_FEEDBACK_EPT);
|
||||
|
||||
/* close out endpoint */
|
||||
usbd_ept_close(pudev, USBD_AUDIO_SPK_OUT_EPT);
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief usb device class setup request handler
|
||||
* @param udev: usb device core handler type
|
||||
* @param setup: setup packet
|
||||
* @retval status of usb_sts_type
|
||||
*/
|
||||
usb_sts_type class_setup_handler(void *udev, usb_setup_type *setup)
|
||||
{
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||||
usb_sts_type status = USB_OK;
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||||
usbd_core_type *pudev = (usbd_core_type *)udev;
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||||
uint16_t len;
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||||
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||||
switch(setup->bmRequestType & USB_REQ_TYPE_RESERVED)
|
||||
{
|
||||
/* class request */
|
||||
case USB_REQ_TYPE_CLASS:
|
||||
switch(setup->bRequest)
|
||||
{
|
||||
case AUDIO_REQ_GET_CUR:
|
||||
audio_req_get_cur(pudev, setup);
|
||||
break;
|
||||
|
||||
case AUDIO_REQ_SET_CUR:
|
||||
audio_req_set_cur(pudev, setup);
|
||||
break;
|
||||
|
||||
case AUDIO_REQ_GET_MIN:
|
||||
audio_req_get_min(pudev, setup);
|
||||
break;
|
||||
|
||||
case AUDIO_REQ_GET_MAX:
|
||||
audio_req_get_max(pudev, setup);
|
||||
break;
|
||||
|
||||
case AUDIO_REQ_GET_RES:
|
||||
audio_req_get_res(pudev, setup);
|
||||
break;
|
||||
|
||||
default:
|
||||
usbd_ctrl_unsupport(pudev);
|
||||
break;
|
||||
}
|
||||
break;
|
||||
/* standard request */
|
||||
case USB_REQ_TYPE_STANDARD:
|
||||
switch(setup->bRequest)
|
||||
{
|
||||
case USB_STD_REQ_GET_DESCRIPTOR:
|
||||
if((setup->wValue >> 8) == AUDIO_DESCRIPTOR_TYPE)
|
||||
{
|
||||
len = MIN(AUDIO_DESCRIPTOR_SIZE, setup->wLength);
|
||||
usbd_ctrl_send(pudev, g_usbd_configuration+18, len);
|
||||
}
|
||||
else
|
||||
{
|
||||
usbd_ctrl_unsupport(pudev);
|
||||
}
|
||||
break;
|
||||
case USB_STD_REQ_GET_INTERFACE:
|
||||
audio_get_interface(udev, setup);
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||||
break;
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||||
|
||||
case USB_STD_REQ_SET_INTERFACE:
|
||||
audio_set_interface(udev, setup);
|
||||
usbd_ctrl_send_status(pudev);
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
usbd_ctrl_unsupport(pudev);
|
||||
break;
|
||||
}
|
||||
return status;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief usb device endpoint 0 in status stage complete
|
||||
* @param udev: usb device core handler type
|
||||
* @retval status of usb_sts_type
|
||||
*/
|
||||
usb_sts_type class_ept0_tx_handler(void *udev)
|
||||
{
|
||||
usb_sts_type status = USB_OK;
|
||||
|
||||
/* ...user code... */
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief usb device endpoint 0 out status stage complete
|
||||
* @param udev: usb device core handler type
|
||||
* @retval status of usb_sts_type
|
||||
*/
|
||||
usb_sts_type class_ept0_rx_handler(void *udev)
|
||||
{
|
||||
usb_sts_type status = USB_OK;
|
||||
usbd_core_type *pudev = (usbd_core_type *)udev;
|
||||
uint32_t recv_len = usbd_get_recv_len(pudev, 0);
|
||||
/* ...user code... */
|
||||
if( audio_struct.audio_cmd == AUDIO_REQ_SET_CUR)
|
||||
{
|
||||
/* class process */
|
||||
switch(audio_struct.request_no)
|
||||
{
|
||||
case AUDIO_VOLUME_CONTROL:
|
||||
if(audio_struct.interface == AUDIO_SPK_FEATURE_UNIT_ID)
|
||||
{
|
||||
audio_struct.spk_volume = (uint16_t)(audio_struct.g_audio_cur[0] |
|
||||
(audio_struct.g_audio_cur[1] << 8));
|
||||
/* set volume */
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||||
audio_codec_set_spk_volume(audio_struct.spk_volume*100/audio_struct.spk_volume_limits[1]);
|
||||
}
|
||||
else
|
||||
{
|
||||
audio_struct.mic_volume = (uint16_t)(audio_struct.g_audio_cur[0] |
|
||||
(audio_struct.g_audio_cur[1] << 8));
|
||||
|
||||
audio_codec_set_mic_volume(audio_struct.mic_volume*256/audio_struct.mic_volume_limits[1]);
|
||||
}
|
||||
break;
|
||||
case AUDIO_MUTE_CONTROL:
|
||||
if(audio_struct.interface == AUDIO_SPK_FEATURE_UNIT_ID)
|
||||
{
|
||||
audio_struct.spk_mute = audio_struct.g_audio_cur[0];
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||||
audio_codec_set_spk_mute(audio_struct.spk_mute);
|
||||
}
|
||||
else
|
||||
{
|
||||
audio_struct.mic_mute = audio_struct.g_audio_cur[0];
|
||||
audio_codec_set_mic_mute(audio_struct.mic_mute);
|
||||
}
|
||||
|
||||
break;
|
||||
case AUDIO_FREQ_SET_CONTROL:
|
||||
if(audio_struct.enpd == USBD_AUDIO_MIC_IN_EPT)
|
||||
{
|
||||
audio_struct.mic_freq = (audio_struct.g_audio_cur[0] |
|
||||
(audio_struct.g_audio_cur[1] << 8) |
|
||||
(audio_struct.g_audio_cur[2] << 16));
|
||||
audio_codec_set_mic_freq(audio_struct.mic_freq);
|
||||
}
|
||||
else
|
||||
{
|
||||
audio_struct.spk_freq = (audio_struct.g_audio_cur[0] |
|
||||
(audio_struct.g_audio_cur[1] << 8) |
|
||||
(audio_struct.g_audio_cur[2] << 16));
|
||||
audio_codec_set_spk_freq(audio_struct.spk_freq);
|
||||
}
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief usb device transmision complete handler
|
||||
* @param udev: usb device core handler type
|
||||
* @param ept_num: endpoint number
|
||||
* @retval status of usb_sts_type
|
||||
*/
|
||||
usb_sts_type class_in_handler(void *udev, uint8_t ept_num)
|
||||
{
|
||||
usb_sts_type status = USB_OK;
|
||||
usbd_core_type *pudev = (usbd_core_type *)udev;
|
||||
uint32_t len = 0;
|
||||
|
||||
/* ...user code...
|
||||
trans next packet data
|
||||
*/
|
||||
if((ept_num & 0x7F) == (USBD_AUDIO_MIC_IN_EPT & 0x7F))
|
||||
{
|
||||
len = audio_codec_mic_get_data(audio_struct.audio_mic_data);
|
||||
usb_flush_tx_fifo(pudev->usb_reg, USBD_AUDIO_MIC_IN_EPT & 0x7F);
|
||||
usbd_ept_send(pudev, USBD_AUDIO_MIC_IN_EPT, audio_struct.audio_mic_data, len);
|
||||
}
|
||||
|
||||
else if((ept_num & 0x7F) == (USBD_AUDIO_FEEDBACK_EPT & 0x7F))
|
||||
{
|
||||
len = audio_codec_spk_feedback(audio_struct.audio_feed_back);
|
||||
usb_flush_tx_fifo(pudev->usb_reg, USBD_AUDIO_FEEDBACK_EPT & 0x7F);
|
||||
usbd_ept_send(pudev, USBD_AUDIO_FEEDBACK_EPT, audio_struct.audio_feed_back, len);
|
||||
}
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief usb device endpoint receive data
|
||||
* @param udev: usb device core handler type
|
||||
* @param ept_num: endpoint number
|
||||
* @retval status of usb_sts_type
|
||||
*/
|
||||
usb_sts_type class_out_handler(void *udev, uint8_t ept_num)
|
||||
{
|
||||
usb_sts_type status = USB_OK;
|
||||
usbd_core_type *pudev = (usbd_core_type *)udev;
|
||||
uint16_t g_rxlen;
|
||||
|
||||
/* get endpoint receive data length */
|
||||
g_rxlen = usbd_get_recv_len(pudev, ept_num);
|
||||
|
||||
if((ept_num & 0x7F) == (USBD_AUDIO_SPK_OUT_EPT & 0x7F))
|
||||
{
|
||||
/* speaker data*/
|
||||
audio_codec_spk_fifo_write(audio_struct.audio_spk_data, g_rxlen);
|
||||
|
||||
/* get next data */
|
||||
usbd_ept_recv(pudev, USBD_AUDIO_SPK_OUT_EPT, audio_struct.audio_spk_data, AUDIO_SPK_OUT_MAXPACKET_SIZE);
|
||||
}
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief usb device sof handler
|
||||
* @param udev: usb device core handler type
|
||||
* @retval status of usb_sts_type
|
||||
*/
|
||||
usb_sts_type class_sof_handler(void *udev)
|
||||
{
|
||||
usb_sts_type status = USB_OK;
|
||||
|
||||
/* ...user code... */
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief usb device event handler
|
||||
* @param udev: usb device core handler type
|
||||
* @param event: usb device event
|
||||
* @retval status of usb_sts_type
|
||||
*/
|
||||
usb_sts_type class_event_handler(void *udev, usbd_event_type event)
|
||||
{
|
||||
usb_sts_type status = USB_OK;
|
||||
switch(event)
|
||||
{
|
||||
case USBD_RESET_EVENT:
|
||||
|
||||
/* ...user code... */
|
||||
|
||||
break;
|
||||
case USBD_SUSPEND_EVENT:
|
||||
audio_struct.spk_alt_setting = 0;
|
||||
audio_codec_spk_alt_setting(audio_struct.spk_alt_setting);
|
||||
audio_struct.mic_alt_setting = 0;
|
||||
audio_codec_mic_alt_setting(audio_struct.spk_alt_setting);
|
||||
/* ...user code... */
|
||||
|
||||
break;
|
||||
case USBD_WAKEUP_EVENT:
|
||||
/* ...user code... */
|
||||
|
||||
break;
|
||||
case USBD_INISOINCOM_EVENT:
|
||||
audio_inisoincom_event(udev);
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
return status;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief usb audio in iso incom event
|
||||
* @param udev: usb device core handler type
|
||||
* @retval none
|
||||
*/
|
||||
void audio_inisoincom_event(void *udev)
|
||||
{
|
||||
usbd_core_type *pudev = (usbd_core_type *)udev;
|
||||
uint32_t fnsof = OTG_DEVICE(pudev->usb_reg)->dsts_bit.soffn;
|
||||
uint32_t epctl_fb = USB_INEPT(pudev->usb_reg, (USBD_AUDIO_FEEDBACK_EPT&0x7F))->diepctl_bit.dpid;
|
||||
uint32_t epctl_in = USB_INEPT(pudev->usb_reg, (USBD_AUDIO_MIC_IN_EPT&0x7F))->diepctl_bit.dpid;
|
||||
uint32_t len = 0;
|
||||
|
||||
if((fnsof & 0x1) == epctl_fb)
|
||||
{
|
||||
USB_INEPT(pudev->usb_reg, (USBD_AUDIO_FEEDBACK_EPT&0x7F))->diepctl_bit.eptdis = 1;
|
||||
USB_INEPT(pudev->usb_reg, (USBD_AUDIO_FEEDBACK_EPT&0x7F))->diepctl_bit.snak = 1;
|
||||
usb_flush_tx_fifo(pudev->usb_reg, USBD_AUDIO_FEEDBACK_EPT&0x7F);
|
||||
|
||||
usbd_ept_send(pudev, USBD_AUDIO_FEEDBACK_EPT, audio_struct.audio_feed_back, 3);
|
||||
}
|
||||
|
||||
if((fnsof & 0x1) == epctl_in)
|
||||
{
|
||||
USB_INEPT(pudev->usb_reg, (USBD_AUDIO_MIC_IN_EPT&0x7F))->diepctl_bit.eptdis = 1;
|
||||
USB_INEPT(pudev->usb_reg, (USBD_AUDIO_MIC_IN_EPT&0x7F))->diepctl_bit.snak = 1;
|
||||
usb_flush_tx_fifo(pudev->usb_reg, USBD_AUDIO_MIC_IN_EPT&0x7F);
|
||||
|
||||
len = audio_codec_mic_get_data(audio_struct.audio_mic_data);
|
||||
usbd_ept_send(pudev, USBD_AUDIO_MIC_IN_EPT, audio_struct.audio_mic_data, len);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief usb audio request get cur
|
||||
* @param udev: usb device core handler type
|
||||
* @param setup: setup class
|
||||
* @retval none
|
||||
*/
|
||||
void audio_req_get_cur(void *udev, usb_setup_type *setup)
|
||||
{
|
||||
usbd_core_type *pudev = (usbd_core_type *)udev;
|
||||
if(HBYTE(setup->wIndex) == AUDIO_SPK_FEATURE_UNIT_ID)
|
||||
{
|
||||
if(HBYTE(setup->wValue) == AUDIO_MUTE_CONTROL)
|
||||
{
|
||||
usbd_ctrl_send(pudev, &audio_struct.spk_mute, setup->wLength);
|
||||
}
|
||||
else
|
||||
{
|
||||
usbd_ctrl_send(pudev, (uint8_t *)&audio_struct.spk_volume, setup->wLength);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if(HBYTE(setup->wValue) == AUDIO_MUTE_CONTROL)
|
||||
{
|
||||
usbd_ctrl_send(pudev, &audio_struct.mic_mute, setup->wLength);
|
||||
}
|
||||
else
|
||||
{
|
||||
usbd_ctrl_send(pudev, (uint8_t *)&audio_struct.mic_volume, setup->wLength);
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief usb audio request set cur
|
||||
* @param udev: usb device core handler type
|
||||
* @param setup: setup class
|
||||
* @retval none
|
||||
*/
|
||||
void audio_req_set_cur(void *udev, usb_setup_type *setup)
|
||||
{
|
||||
usbd_core_type *pudev = (usbd_core_type *)udev;
|
||||
if(setup->wLength > 0)
|
||||
{
|
||||
usbd_ctrl_recv(pudev, audio_struct.g_audio_cur, setup->wLength);
|
||||
|
||||
audio_struct.audio_cmd = AUDIO_REQ_SET_CUR;
|
||||
audio_struct.audio_cmd_len = setup->wLength;
|
||||
|
||||
switch(setup->bmRequestType & AUDIO_REQ_CONTROL_MASK)
|
||||
{
|
||||
case AUDIO_REQ_CONTROL_INTERFACE:
|
||||
audio_struct.interface = HBYTE(setup->wIndex);
|
||||
if(HBYTE(setup->wValue) == AUDIO_MUTE_CONTROL)
|
||||
{
|
||||
audio_struct.request_no = AUDIO_MUTE_CONTROL;
|
||||
}
|
||||
else
|
||||
{
|
||||
audio_struct.request_no = AUDIO_VOLUME_CONTROL;
|
||||
}
|
||||
break;
|
||||
case AUDIO_REQ_CONTROL_ENDPOINT:
|
||||
audio_struct.enpd = setup->wIndex;
|
||||
audio_struct.request_no = AUDIO_FREQ_SET_CONTROL;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief usb audio request get min
|
||||
* @param udev: usb device core handler type
|
||||
* @param setup: setup class
|
||||
* @retval none
|
||||
*/
|
||||
void audio_req_get_min(void *udev, usb_setup_type *setup)
|
||||
{
|
||||
usbd_core_type *pudev = (usbd_core_type *)udev;
|
||||
if(HBYTE(setup->wIndex) == AUDIO_SPK_FEATURE_UNIT_ID)
|
||||
{
|
||||
usbd_ctrl_send(pudev, (uint8_t *)&audio_struct.spk_volume_limits[0], setup->wLength);
|
||||
}
|
||||
else
|
||||
{
|
||||
usbd_ctrl_send(pudev, (uint8_t *)&audio_struct.mic_volume_limits[0], setup->wLength);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief usb audio request get max
|
||||
* @param udev: usb device core handler type
|
||||
* @param setup: setup class
|
||||
* @retval none
|
||||
*/
|
||||
void audio_req_get_max(void *udev, usb_setup_type *setup)
|
||||
{
|
||||
usbd_core_type *pudev = (usbd_core_type *)udev;
|
||||
if(HBYTE(setup->wIndex) == AUDIO_SPK_FEATURE_UNIT_ID)
|
||||
{
|
||||
usbd_ctrl_send(pudev, (uint8_t *)&audio_struct.spk_volume_limits[1], setup->wLength);
|
||||
}
|
||||
else
|
||||
{
|
||||
usbd_ctrl_send(pudev, (uint8_t *)&audio_struct.mic_volume_limits[1], setup->wLength);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief usb audio request get res
|
||||
* @param udev: usb device core handler type
|
||||
* @param setup: setup class
|
||||
* @retval none
|
||||
*/
|
||||
void audio_req_get_res(void *udev, usb_setup_type *setup)
|
||||
{
|
||||
usbd_core_type *pudev = (usbd_core_type *)udev;
|
||||
if(HBYTE(setup->wIndex) == AUDIO_SPK_FEATURE_UNIT_ID)
|
||||
{
|
||||
usbd_ctrl_send(pudev, (uint8_t *)&audio_struct.spk_volume_limits[2], setup->wLength);
|
||||
}
|
||||
else
|
||||
{
|
||||
usbd_ctrl_send(pudev, (uint8_t *)&audio_struct.mic_volume_limits[2], setup->wLength);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief usb audio set interface
|
||||
* @param udev: usb device core handler type
|
||||
* @param setup: setup class
|
||||
* @retval none
|
||||
*/
|
||||
void audio_set_interface(void *udev, usb_setup_type *setup)
|
||||
{
|
||||
uint32_t len;
|
||||
usbd_core_type *pudev = (usbd_core_type *)udev;
|
||||
if(LBYTE(setup->wIndex) == AUDIO_SPK_INTERFACE_NUMBER)
|
||||
{
|
||||
audio_struct.spk_alt_setting = setup->wValue;
|
||||
audio_codec_spk_alt_setting(audio_struct.spk_alt_setting);
|
||||
if(audio_struct.spk_alt_setting )
|
||||
{
|
||||
usbd_ept_recv(pudev, USBD_AUDIO_SPK_OUT_EPT, audio_struct.audio_spk_data, AUDIO_SPK_OUT_MAXPACKET_SIZE);
|
||||
usbd_ept_send(pudev, USBD_AUDIO_FEEDBACK_EPT, audio_struct.audio_feed_back, 3);
|
||||
}
|
||||
|
||||
}
|
||||
else if(LBYTE(setup->wIndex) == AUDIO_MIC_INTERFACE_NUMBER)
|
||||
{
|
||||
audio_struct.mic_alt_setting = setup->wValue;
|
||||
audio_codec_mic_alt_setting(audio_struct.mic_alt_setting);
|
||||
if(audio_struct.mic_alt_setting)
|
||||
{
|
||||
len = audio_codec_mic_get_data(audio_struct.audio_mic_data);
|
||||
usbd_ept_send(pudev, USBD_AUDIO_MIC_IN_EPT, audio_struct.audio_mic_data, len);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @brief usb audio get interface
|
||||
* @param udev: usb device core handler type
|
||||
* @param setup: setup class
|
||||
* @retval none
|
||||
*/
|
||||
void audio_get_interface(void *udev, usb_setup_type *setup)
|
||||
{
|
||||
usbd_core_type *pudev = (usbd_core_type *)udev;
|
||||
if(LBYTE(setup->wIndex) == AUDIO_SPK_INTERFACE_NUMBER)
|
||||
{
|
||||
usbd_ctrl_send(pudev, (uint8_t *)&audio_struct.spk_alt_setting, 1);
|
||||
}
|
||||
else if(LBYTE(setup->wIndex) == AUDIO_MIC_INTERFACE_NUMBER)
|
||||
{
|
||||
usbd_ctrl_send(pudev, (uint8_t *)&audio_struct.mic_alt_setting, 1);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
|
||||
Reference in New Issue
Block a user