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3ada5c81
编写于
9月 20, 2019
作者:
B
Bernard Xiong
提交者:
GitHub
9月 20, 2019
浏览文件
操作
浏览文件
下载
差异文件
Merge pull request #3090 from Guozhanxin/usb_uac
添加 USB Audio Class
上级
ade78fb1
711ce4a0
变更
6
展开全部
隐藏空白更改
内联
并排
Showing
6 changed file
with
1876 addition
and
3 deletion
+1876
-3
components/drivers/Kconfig
components/drivers/Kconfig
+24
-0
components/drivers/usb/usbdevice/SConscript
components/drivers/usb/usbdevice/SConscript
+6
-0
components/drivers/usb/usbdevice/class/audio.h
components/drivers/usb/usbdevice/class/audio.h
+676
-0
components/drivers/usb/usbdevice/class/audio_mic.c
components/drivers/usb/usbdevice/class/audio_mic.c
+577
-0
components/drivers/usb/usbdevice/class/audio_speaker.c
components/drivers/usb/usbdevice/class/audio_speaker.c
+578
-0
components/drivers/usb/usbdevice/core/core.c
components/drivers/usb/usbdevice/core/core.c
+15
-3
未找到文件。
components/drivers/Kconfig
浏览文件 @
3ada5c81
...
...
@@ -660,6 +660,9 @@ menu "Using USB"
config _RT_USB_DEVICE_WINUSB
bool "Enable to use device as winusb device"
select RT_USB_DEVICE_WINUSB
config _RT_USB_DEVICE_AUDIO
bool "Enable to use device as audio device"
select RT_USB_DEVICE_AUDIO
endchoice
if RT_USB_DEVICE_COMPOSITE
config RT_USB_DEVICE_CDC
...
...
@@ -685,6 +688,9 @@ menu "Using USB"
config RT_USB_DEVICE_WINUSB
bool "Enable to use device as winusb device"
default n
config RT_USB_DEVICE_AUDIO
bool "Enable to use device as audio device"
default n
endif
if RT_USB_DEVICE_CDC
config RT_VCOM_TASK_STK_SIZE
...
...
@@ -752,6 +758,24 @@ menu "Using USB"
bool "Use to HID device as media keyboard"
default y
endif
if RT_USB_DEVICE_AUDIO
config RT_USB_DEVICE_AUDIO_MIC
bool "Use usb mic device as audio device"
default n
if RT_USB_DEVICE_AUDIO_MIC
config RT_USBD_MIC_DEVICE_NAME
string "audio mic device name"
default "mic0"
endif
config RT_USB_DEVICE_AUDIO_SPEAKER
bool "Use usb speaker device as audio device"
default n
if RT_USB_DEVICE_AUDIO_SPEAKER
config RT_USBD_SPEAKER_DEVICE_NAME
string "audio speaker device name"
default "sound0"
endif
endif
endif
endmenu
endmenu
components/drivers/usb/usbdevice/SConscript
浏览文件 @
3ada5c81
...
...
@@ -24,6 +24,12 @@ if GetDepend('RT_USB_DEVICE_RNDIS'):
if
GetDepend
(
'RT_USB_DEVICE_WINUSB'
):
src
+=
Glob
(
'class/winusb.c'
)
if
GetDepend
(
'RT_USB_DEVICE_AUDIO_MIC'
):
src
+=
Glob
(
'class/audio_mic.c'
)
if
GetDepend
(
'RT_USB_DEVICE_AUDIO_SPEAKER'
):
src
+=
Glob
(
'class/audio_speaker.c'
)
CPPPATH
=
[
cwd
]
...
...
components/drivers/usb/usbdevice/class/audio.h
0 → 100644
浏览文件 @
3ada5c81
此差异已折叠。
点击以展开。
components/drivers/usb/usbdevice/class/audio_mic.c
0 → 100644
浏览文件 @
3ada5c81
/*
* Copyright (c) 2006-2019, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-09-07 flybreak the first version
*/
#include <rthw.h>
#include <rtthread.h>
#include <rtservice.h>
#include <rtdevice.h>
#include "drivers/usb_device.h"
#include "audio.h"
#define DBG_TAG "usbd.audio.mic"
#define DBG_LVL DBG_INFO
#include <rtdbg.h>
#define RECORD_SAMPLERATE 16000
#define RECORD_CHANNEL 1
#define RESOLUTION_BITS 16
#define RESOLUTION_BYTE (RESOLUTION_BITS / 8)
#define RECORD_PER_MS_SZ ((RECORD_SAMPLERATE * RECORD_CHANNEL * RESOLUTION_BYTE) / 1000)
#define RECORD_BUFFER_SZ (RECORD_PER_MS_SZ * 20)
/* 20ms */
#if defined(RT_USBD_MIC_DEVICE_NAME)
#define MIC_DEVICE_NAME RT_USBD_MIC_DEVICE_NAME
#else
#define MIC_DEVICE_NAME "mic0"
#endif
#define EVENT_RECORD_START (1 << 0)
#define EVENT_RECORD_STOP (1 << 1)
#define EVENT_RECORD_DATA (1 << 2)
/*
* uac mic descriptor define
*/
#define UAC_CS_INTERFACE 0x24
#define UAC_CS_ENDPOINT 0x25
#define UAC_MAX_PACKET_SIZE 64
#define UAC_EP_MAX_PACKET_SIZE 32
#define UAC_CHANNEL_NUM RECORD_CHANNEL
#define UAC_INTR_NUM 1
#define UAC_CH_NUM 1
#define UAC_FORMAT_NUM 1
struct
uac_ac_descriptor
{
#ifdef RT_USB_DEVICE_COMPOSITE
struct
uiad_descriptor
iad_desc
;
#endif
struct
uinterface_descriptor
intf_desc
;
DECLARE_UAC_AC_HEADER_DESCRIPTOR
(
UAC_INTR_NUM
)
hdr_desc
;
struct
uac_input_terminal_descriptor
it_desc
;
struct
uac1_output_terminal_descriptor
ot_desc
;
#if UAC_USE_FEATURE_UNIT
DECLARE_UAC_FEATURE_UNIT_DESCRIPTOR
(
UAC_CH_NUM
)
feature_unit_desc
;
#endif
};
struct
uac_as_descriptor
{
struct
uinterface_descriptor
intf_desc
;
struct
uac1_as_header_descriptor
hdr_desc
;
DECLARE_UAC_FORMAT_TYPE_I_DISCRETE_DESC
(
UAC_FORMAT_NUM
)
format_type_desc
;
struct
uendpoint_descriptor
ep_desc
;
struct
uac_iso_endpoint_descriptor
as_ep_desc
;
};
/*
* uac mic device type
*/
struct
uac_audio_mic
{
rt_device_t
dev
;
rt_event_t
event
;
rt_uint8_t
open_count
;
rt_uint8_t
*
buffer
;
rt_uint32_t
buffer_index
;
uep_t
ep
;
};
static
struct
uac_audio_mic
mic
;
ALIGN
(
4
)
static
struct
udevice_descriptor
dev_desc
=
{
USB_DESC_LENGTH_DEVICE
,
//bLength;
USB_DESC_TYPE_DEVICE
,
//type;
USB_BCD_VERSION
,
//bcdUSB;
USB_CLASS_DEVICE
,
//bDeviceClass;
0x00
,
//bDeviceSubClass;
0x00
,
//bDeviceProtocol;
UAC_MAX_PACKET_SIZE
,
//bMaxPacketSize0;
_VENDOR_ID
,
//idVendor;
_PRODUCT_ID
,
//idProduct;
USB_BCD_DEVICE
,
//bcdDevice;
USB_STRING_MANU_INDEX
,
//iManufacturer;
USB_STRING_PRODUCT_INDEX
,
//iProduct;
USB_STRING_SERIAL_INDEX
,
//iSerialNumber;Unused.
USB_DYNAMIC
,
//bNumConfigurations;
};
//FS and HS needed
ALIGN
(
4
)
static
struct
usb_qualifier_descriptor
dev_qualifier
=
{
sizeof
(
dev_qualifier
),
//bLength
USB_DESC_TYPE_DEVICEQUALIFIER
,
//bDescriptorType
0x0200
,
//bcdUSB
USB_CLASS_AUDIO
,
//bDeviceClass
0x00
,
//bDeviceSubClass
0x00
,
//bDeviceProtocol
64
,
//bMaxPacketSize0
0x01
,
//bNumConfigurations
0
,
};
ALIGN
(
4
)
const
static
char
*
_ustring
[]
=
{
"Language"
,
"RT-Thread Team."
,
"Microphone"
,
"32021919830108"
,
"Configuration"
,
"Interface"
,
};
ALIGN
(
4
)
static
struct
uac_ac_descriptor
ac_desc
=
{
#ifdef RT_USB_DEVICE_COMPOSITE
/* Interface Association Descriptor */
{
USB_DESC_LENGTH_IAD
,
USB_DESC_TYPE_IAD
,
USB_DYNAMIC
,
0x02
,
USB_CLASS_AUDIO
,
USB_SUBCLASS_AUDIOSTREAMING
,
0x00
,
0x00
,
},
#endif
/* Interface Descriptor */
{
USB_DESC_LENGTH_INTERFACE
,
USB_DESC_TYPE_INTERFACE
,
USB_DYNAMIC
,
0x00
,
0x00
,
USB_CLASS_AUDIO
,
USB_SUBCLASS_AUDIOCONTROL
,
0x00
,
0x00
,
},
/* Header Descriptor */
{
UAC_DT_AC_HEADER_SIZE
(
UAC_INTR_NUM
),
UAC_CS_INTERFACE
,
UAC_HEADER
,
0x0100
,
/* Version: 1.00 */
0x001E
,
/* Total length: 30 */
0x01
,
/* Total number of interfaces: 1 */
{
0x01
},
/* Interface number: 1 */
},
/* Input Terminal Descriptor */
{
UAC_DT_INPUT_TERMINAL_SIZE
,
UAC_CS_INTERFACE
,
UAC_INPUT_TERMINAL
,
0x01
,
/* Terminal ID: 1 */
0x0201
,
/* Terminal Type: Microphone (0x0201) */
0x00
,
/* Assoc Terminal: 0 */
0x01
,
/* Number Channels: 1 */
0x0000
,
/* Channel Config: 0x0000 */
0x00
,
/* Channel Names: 0 */
0x00
,
/* Terminal: 0 */
},
/* Output Terminal Descriptor */
{
UAC_DT_OUTPUT_TERMINAL_SIZE
,
UAC_CS_INTERFACE
,
UAC_OUTPUT_TERMINAL
,
0x02
,
/* Terminal ID: 2 */
0x0101
,
/* Terminal Type: USB Streaming (0x0101) */
0x00
,
/* Assoc Terminal: 0 */
0x01
,
/* Source ID: 1 */
0x00
,
/* Terminal: 0 */
},
#if UAC_USE_FEATURE_UNIT
/* Feature unit Descriptor */
{
UAC_DT_FEATURE_UNIT_SIZE
(
UAC_CH_NUM
),
UAC_CS_INTERFACE
,
UAC_FEATURE_UNIT
,
0x02
,
0x0101
,
0x00
,
0x01
,
},
#endif
};
ALIGN
(
4
)
static
struct
uinterface_descriptor
as_desc0
=
{
USB_DESC_LENGTH_INTERFACE
,
USB_DESC_TYPE_INTERFACE
,
USB_DYNAMIC
,
0x00
,
0x00
,
USB_CLASS_AUDIO
,
USB_SUBCLASS_AUDIOSTREAMING
,
0x00
,
0x00
,
};
ALIGN
(
4
)
static
struct
uac_as_descriptor
as_desc
=
{
/* Interface Descriptor */
{
USB_DESC_LENGTH_INTERFACE
,
USB_DESC_TYPE_INTERFACE
,
USB_DYNAMIC
,
0x01
,
0x01
,
USB_CLASS_AUDIO
,
USB_SUBCLASS_AUDIOSTREAMING
,
0x00
,
0x00
,
},
/* General AS Descriptor */
{
UAC_DT_AS_HEADER_SIZE
,
UAC_CS_INTERFACE
,
UAC_AS_GENERAL
,
0x02
,
/* Terminal ID: 2 */
0x01
,
/* Interface delay in frames: 1 */
UAC_FORMAT_TYPE_I_PCM
,
},
/* Format type i Descriptor */
{
UAC_FORMAT_TYPE_I_DISCRETE_DESC_SIZE
(
UAC_FORMAT_NUM
),
UAC_CS_INTERFACE
,
UAC_FORMAT_TYPE
,
UAC_FORMAT_TYPE_I
,
UAC_CHANNEL_NUM
,
2
,
/* Subframe Size: 2 */
RESOLUTION_BITS
,
0x01
,
/* Samples Frequence Type: 1 */
{
0
},
/* Samples Frequence */
},
/* Endpoint Descriptor */
{
USB_DESC_LENGTH_ENDPOINT
,
USB_DESC_TYPE_ENDPOINT
,
USB_DYNAMIC
|
USB_DIR_IN
,
USB_EP_ATTR_ISOC
,
UAC_EP_MAX_PACKET_SIZE
,
0x01
,
},
/* AS Endpoint Descriptor */
{
UAC_ISO_ENDPOINT_DESC_SIZE
,
UAC_CS_ENDPOINT
,
UAC_MS_GENERAL
,
},
};
void
mic_entry
(
void
*
parameter
)
{
struct
rt_audio_caps
caps
=
{
0
};
rt_uint32_t
e
,
index
;
mic
.
buffer
=
rt_malloc
(
RECORD_BUFFER_SZ
);
if
(
mic
.
buffer
==
RT_NULL
)
{
LOG_E
(
"malloc failed"
);
goto
__exit
;
}
mic
.
dev
=
rt_device_find
(
MIC_DEVICE_NAME
);
if
(
mic
.
dev
==
RT_NULL
)
{
LOG_E
(
"can't find device:%s"
,
MIC_DEVICE_NAME
);
goto
__exit
;
}
while
(
1
)
{
if
(
rt_event_recv
(
mic
.
event
,
EVENT_RECORD_START
|
EVENT_RECORD_STOP
,
RT_EVENT_FLAG_OR
|
RT_EVENT_FLAG_CLEAR
,
1000
,
&
e
)
!=
RT_EOK
)
{
continue
;
}
if
(
mic
.
open_count
==
0
)
{
continue
;
}
LOG_D
(
"record start"
);
rt_device_open
(
mic
.
dev
,
RT_DEVICE_OFLAG_RDONLY
);
caps
.
main_type
=
AUDIO_TYPE_INPUT
;
caps
.
sub_type
=
AUDIO_DSP_PARAM
;
caps
.
udata
.
config
.
samplerate
=
RECORD_SAMPLERATE
;
caps
.
udata
.
config
.
channels
=
RECORD_CHANNEL
;
caps
.
udata
.
config
.
samplebits
=
RESOLUTION_BITS
;
rt_device_control
(
mic
.
dev
,
AUDIO_CTL_CONFIGURE
,
&
caps
);
while
(
1
)
{
if
(
rt_event_recv
(
mic
.
event
,
EVENT_RECORD_DATA
|
EVENT_RECORD_STOP
,
RT_EVENT_FLAG_OR
|
RT_EVENT_FLAG_CLEAR
,
1000
,
&
e
)
!=
RT_EOK
)
{
if
(
mic
.
open_count
>
0
)
continue
;
else
break
;
}
if
(
e
&
EVENT_RECORD_DATA
)
{
index
=
(
mic
.
buffer_index
>=
RECORD_BUFFER_SZ
/
2
)
?
0
:
(
RECORD_BUFFER_SZ
/
2
);
rt_device_read
(
mic
.
dev
,
0
,
mic
.
buffer
+
index
,
RECORD_BUFFER_SZ
/
2
);
}
else
if
(
e
&
EVENT_RECORD_STOP
)
{
break
;
}
}
LOG_D
(
"record stop"
);
rt_device_close
(
mic
.
dev
);
}
__exit:
if
(
mic
.
buffer
)
rt_free
(
mic
.
buffer
);
}
static
rt_err_t
_record_start
(
ufunction_t
func
)
{
mic
.
ep
->
request
.
buffer
=
RT_NULL
;
mic
.
ep
->
request
.
size
=
UAC_EP_MAX_PACKET_SIZE
;
mic
.
ep
->
request
.
req_type
=
UIO_REQUEST_WRITE
;
rt_usbd_io_request
(
func
->
device
,
mic
.
ep
,
&
mic
.
ep
->
request
);
mic
.
open_count
++
;
rt_event_send
(
mic
.
event
,
EVENT_RECORD_START
);
return
0
;
}
static
rt_err_t
_record_stop
(
ufunction_t
func
)
{
mic
.
open_count
--
;
rt_event_send
(
mic
.
event
,
EVENT_RECORD_STOP
);
return
0
;
}
static
rt_err_t
_ep_data_in_handler
(
ufunction_t
func
,
rt_size_t
size
)
{
RT_ASSERT
(
func
!=
RT_NULL
);
LOG_D
(
"_ep_data_in_handler"
);
mic
.
ep
->
request
.
buffer
=
mic
.
buffer
+
mic
.
buffer_index
;
mic
.
ep
->
request
.
size
=
UAC_EP_MAX_PACKET_SIZE
;
mic
.
ep
->
request
.
req_type
=
UIO_REQUEST_WRITE
;
rt_usbd_io_request
(
func
->
device
,
mic
.
ep
,
&
mic
.
ep
->
request
);
mic
.
buffer_index
+=
UAC_EP_MAX_PACKET_SIZE
;
if
(
mic
.
buffer_index
>=
RECORD_BUFFER_SZ
)
{
mic
.
buffer_index
=
0
;
rt_event_send
(
mic
.
event
,
EVENT_RECORD_DATA
);
}
else
if
(
mic
.
buffer_index
==
RECORD_BUFFER_SZ
/
2
)
{
rt_event_send
(
mic
.
event
,
EVENT_RECORD_DATA
);
}
return
RT_EOK
;
}
static
rt_err_t
_interface_as_handler
(
ufunction_t
func
,
ureq_t
setup
)
{
RT_ASSERT
(
func
!=
RT_NULL
);
RT_ASSERT
(
func
->
device
!=
RT_NULL
);
RT_ASSERT
(
setup
!=
RT_NULL
);
LOG_D
(
"_interface_as_handler"
);
if
((
setup
->
request_type
&
USB_REQ_TYPE_MASK
)
==
USB_REQ_TYPE_STANDARD
)
{
switch
(
setup
->
bRequest
)
{
case
USB_REQ_GET_INTERFACE
:
break
;
case
USB_REQ_SET_INTERFACE
:
LOG_D
(
"set interface handler"
);
if
(
setup
->
wValue
==
1
)
{
_record_start
(
func
);
}
else
if
(
setup
->
wValue
==
0
)
{
_record_stop
(
func
);
}
break
;
default:
LOG_D
(
"unknown uac request 0x%x"
,
setup
->
bRequest
);
return
-
RT_ERROR
;
}
}
return
RT_EOK
;
}
static
rt_err_t
_function_enable
(
ufunction_t
func
)
{
RT_ASSERT
(
func
!=
RT_NULL
);
LOG_D
(
"uac function enable"
);
return
RT_EOK
;
}
static
rt_err_t
_function_disable
(
ufunction_t
func
)
{
RT_ASSERT
(
func
!=
RT_NULL
);
LOG_D
(
"uac function disable"
);
_record_stop
(
func
);
return
RT_EOK
;
}
static
struct
ufunction_ops
ops
=
{
_function_enable
,
_function_disable
,
RT_NULL
,
};
/**
* This function will configure uac descriptor.
*
* @param comm the communication interface number.
* @param data the data interface number.
*
* @return RT_EOK on successful.
*/
static
rt_err_t
_uac_descriptor_config
(
struct
uac_ac_descriptor
*
ac
,
rt_uint8_t
cintf_nr
,
struct
uac_as_descriptor
*
as
,
rt_uint8_t
sintf_nr
)
{
ac
->
hdr_desc
.
baInterfaceNr
[
0
]
=
sintf_nr
;
#ifdef RT_USB_DEVICE_COMPOSITE
ac
->
iad_desc
.
bFirstInterface
=
cintf_nr
;
#endif
return
RT_EOK
;
}
static
rt_err_t
_uac_samplerate_config
(
struct
uac_as_descriptor
*
as
,
rt_uint32_t
samplerate
)
{
as
->
format_type_desc
.
tSamFreq
[
0
][
2
]
=
samplerate
>>
16
&
0xff
;
as
->
format_type_desc
.
tSamFreq
[
0
][
1
]
=
samplerate
>>
8
&
0xff
;
as
->
format_type_desc
.
tSamFreq
[
0
][
0
]
=
samplerate
&
0xff
;
return
RT_EOK
;
}
/**
* This function will create a uac function instance.
*
* @param device the usb device object.
*
* @return RT_EOK on successful.
*/
ufunction_t
rt_usbd_function_uac_mic_create
(
udevice_t
device
)
{
ufunction_t
func
;
uintf_t
intf_ac
,
intf_as
;
ualtsetting_t
setting_as0
;
ualtsetting_t
setting_ac
,
setting_as
;
struct
uac_as_descriptor
*
as_desc_t
;
/* parameter check */
RT_ASSERT
(
device
!=
RT_NULL
);
/* set usb device string description */
rt_usbd_device_set_string
(
device
,
_ustring
);
/* create a uac function */
func
=
rt_usbd_function_new
(
device
,
&
dev_desc
,
&
ops
);
//not support HS
//rt_usbd_device_set_qualifier(device, &dev_qualifier);
/* create interface */
intf_ac
=
rt_usbd_interface_new
(
device
,
RT_NULL
);
intf_as
=
rt_usbd_interface_new
(
device
,
_interface_as_handler
);
/* create alternate setting */
setting_ac
=
rt_usbd_altsetting_new
(
sizeof
(
struct
uac_ac_descriptor
));
setting_as0
=
rt_usbd_altsetting_new
(
sizeof
(
struct
uinterface_descriptor
));
setting_as
=
rt_usbd_altsetting_new
(
sizeof
(
struct
uac_as_descriptor
));
/* config desc in alternate setting */
rt_usbd_altsetting_config_descriptor
(
setting_ac
,
&
ac_desc
,
(
rt_off_t
)
&
((
struct
uac_ac_descriptor
*
)
0
)
->
intf_desc
);
rt_usbd_altsetting_config_descriptor
(
setting_as0
,
&
as_desc0
,
0
);
rt_usbd_altsetting_config_descriptor
(
setting_as
,
&
as_desc
,
(
rt_off_t
)
&
((
struct
uac_as_descriptor
*
)
0
)
->
intf_desc
);
/* configure the uac interface descriptor */
_uac_descriptor_config
(
setting_ac
->
desc
,
intf_ac
->
intf_num
,
setting_as
->
desc
,
intf_as
->
intf_num
);
_uac_samplerate_config
(
setting_as
->
desc
,
RECORD_SAMPLERATE
);
/* create endpoint */
as_desc_t
=
(
struct
uac_as_descriptor
*
)
setting_as
->
desc
;
mic
.
ep
=
rt_usbd_endpoint_new
(
&
as_desc_t
->
ep_desc
,
_ep_data_in_handler
);
/* add the endpoint to the alternate setting */
rt_usbd_altsetting_add_endpoint
(
setting_as
,
mic
.
ep
);
/* add the alternate setting to the interface, then set default setting of the interface */
rt_usbd_interface_add_altsetting
(
intf_ac
,
setting_ac
);
rt_usbd_set_altsetting
(
intf_ac
,
0
);
rt_usbd_interface_add_altsetting
(
intf_as
,
setting_as0
);
rt_usbd_interface_add_altsetting
(
intf_as
,
setting_as
);
rt_usbd_set_altsetting
(
intf_as
,
0
);
/* add the interface to the uac function */
rt_usbd_function_add_interface
(
func
,
intf_ac
);
rt_usbd_function_add_interface
(
func
,
intf_as
);
return
func
;
}
int
audio_mic_init
(
void
)
{
rt_thread_t
mic_tid
;
mic
.
event
=
rt_event_create
(
"mic_event"
,
RT_IPC_FLAG_FIFO
);
mic_tid
=
rt_thread_create
(
"mic_thread"
,
mic_entry
,
RT_NULL
,
1024
,
5
,
10
);
if
(
mic_tid
!=
RT_NULL
)
rt_thread_startup
(
mic_tid
);
return
RT_EOK
;
}
INIT_COMPONENT_EXPORT
(
audio_mic_init
);
/*
* register uac class
*/
struct
udclass
uac_class
=
{
.
rt_usbd_function_create
=
rt_usbd_function_uac_mic_create
};
int
rt_usbd_uac_mic_class_register
(
void
)
{
rt_usbd_class_register
(
&
uac_class
);
return
0
;
}
INIT_PREV_EXPORT
(
rt_usbd_uac_mic_class_register
);
components/drivers/usb/usbdevice/class/audio_speaker.c
0 → 100644
浏览文件 @
3ada5c81
/*
* Copyright (c) 2006-2019, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-09-19 flybreak the first version
*/
#include <rthw.h>
#include <rtthread.h>
#include <rtservice.h>
#include <rtdevice.h>
#include "drivers/usb_device.h"
#include "audio.h"
#define DBG_TAG "usbd.audio.speaker"
#define DBG_LVL DBG_INFO
#include <rtdbg.h>
#define AUDIO_SAMPLERATE 16000
#define AUDIO_CHANNEL 1
#define RESOLUTION_BITS 16
#define RESOLUTION_BYTE (RESOLUTION_BITS / 8)
#define AUDIO_PER_MS_SZ ((AUDIO_SAMPLERATE * AUDIO_CHANNEL * RESOLUTION_BYTE) / 1000)
#define AUDIO_BUFFER_SZ (AUDIO_PER_MS_SZ * 20)
/* 20ms */
#if defined(RT_USBD_SPEAKER_DEVICE_NAME)
#define SPEAKER_DEVICE_NAME RT_USBD_SPEAKER_DEVICE_NAME
#else
#define SPEAKER_DEVICE_NAME "sound0"
#endif
#define EVENT_AUDIO_START (1 << 0)
#define EVENT_AUDIO_STOP (1 << 1)
#define EVENT_AUDIO_DATA (1 << 2)
/*
* uac speaker descriptor define
*/
#define UAC_CS_INTERFACE 0x24
#define UAC_CS_ENDPOINT 0x25
#define UAC_MAX_PACKET_SIZE 64
#define UAC_EP_MAX_PACKET_SIZE 32
#define UAC_CHANNEL_NUM AUDIO_CHANNEL
#define UAC_INTR_NUM 1
#define UAC_CH_NUM 1
#define UAC_FORMAT_NUM 1
struct
uac_ac_descriptor
{
#ifdef RT_USB_DEVICE_COMPOSITE
struct
uiad_descriptor
iad_desc
;
#endif
struct
uinterface_descriptor
intf_desc
;
DECLARE_UAC_AC_HEADER_DESCRIPTOR
(
UAC_INTR_NUM
)
hdr_desc
;
struct
uac_input_terminal_descriptor
it_desc
;
struct
uac1_output_terminal_descriptor
ot_desc
;
#if UAC_USE_FEATURE_UNIT
DECLARE_UAC_FEATURE_UNIT_DESCRIPTOR
(
UAC_CH_NUM
)
feature_unit_desc
;
#endif
};
struct
uac_as_descriptor
{
struct
uinterface_descriptor
intf_desc
;
struct
uac1_as_header_descriptor
hdr_desc
;
DECLARE_UAC_FORMAT_TYPE_I_DISCRETE_DESC
(
UAC_FORMAT_NUM
)
format_type_desc
;
struct
uendpoint_descriptor
ep_desc
;
struct
uac_iso_endpoint_descriptor
as_ep_desc
;
};
/*
* uac speaker device type
*/
struct
uac_audio_speaker
{
rt_device_t
dev
;
rt_event_t
event
;
rt_uint8_t
open_count
;
rt_uint8_t
*
buffer
;
rt_uint32_t
buffer_index
;
uep_t
ep
;
};
static
struct
uac_audio_speaker
speaker
;
ALIGN
(
4
)
static
struct
udevice_descriptor
dev_desc
=
{
USB_DESC_LENGTH_DEVICE
,
//bLength;
USB_DESC_TYPE_DEVICE
,
//type;
USB_BCD_VERSION
,
//bcdUSB;
USB_CLASS_DEVICE
,
//bDeviceClass;
0x00
,
//bDeviceSubClass;
0x00
,
//bDeviceProtocol;
UAC_MAX_PACKET_SIZE
,
//bMaxPacketSize0;
_VENDOR_ID
,
//idVendor;
_PRODUCT_ID
,
//idProduct;
USB_BCD_DEVICE
,
//bcdDevice;
USB_STRING_MANU_INDEX
,
//iManufacturer;
USB_STRING_PRODUCT_INDEX
,
//iProduct;
USB_STRING_SERIAL_INDEX
,
//iSerialNumber;Unused.
USB_DYNAMIC
,
//bNumConfigurations;
};
//FS and HS needed
ALIGN
(
4
)
static
struct
usb_qualifier_descriptor
dev_qualifier
=
{
sizeof
(
dev_qualifier
),
//bLength
USB_DESC_TYPE_DEVICEQUALIFIER
,
//bDescriptorType
0x0200
,
//bcdUSB
USB_CLASS_AUDIO
,
//bDeviceClass
0x00
,
//bDeviceSubClass
0x00
,
//bDeviceProtocol
64
,
//bMaxPacketSize0
0x01
,
//bNumConfigurations
0
,
};
ALIGN
(
4
)
const
static
char
*
_ustring
[]
=
{
"Language"
,
"RT-Thread Team."
,
"RT-Thread Speaker"
,
"32021919830108"
,
"Configuration"
,
"Interface"
,
};
ALIGN
(
4
)
static
struct
uac_ac_descriptor
ac_desc
=
{
#ifdef RT_USB_DEVICE_COMPOSITE
/* Interface Association Descriptor */
{
USB_DESC_LENGTH_IAD
,
USB_DESC_TYPE_IAD
,
USB_DYNAMIC
,
0x02
,
USB_CLASS_AUDIO
,
USB_SUBCLASS_AUDIOSTREAMING
,
0x00
,
0x00
,
},
#endif
/* Interface Descriptor */
{
USB_DESC_LENGTH_INTERFACE
,
USB_DESC_TYPE_INTERFACE
,
USB_DYNAMIC
,
0x00
,
0x00
,
USB_CLASS_AUDIO
,
USB_SUBCLASS_AUDIOCONTROL
,
0x00
,
0x00
,
},
/* Header Descriptor */
{
UAC_DT_AC_HEADER_SIZE
(
UAC_INTR_NUM
),
UAC_CS_INTERFACE
,
UAC_HEADER
,
0x0100
,
/* Version: 1.00 */
0x0027
,
/* Total length: 39 */
0x01
,
/* Total number of interfaces: 1 */
{
0x01
},
/* Interface number: 1 */
},
/* Input Terminal Descriptor */
{
UAC_DT_INPUT_TERMINAL_SIZE
,
UAC_CS_INTERFACE
,
UAC_INPUT_TERMINAL
,
0x01
,
/* Terminal ID: 1 */
0x0101
,
/* Terminal Type: USB Streaming (0x0101) */
0x00
,
/* Assoc Terminal: 0 */
0x01
,
/* Number Channels: 1 */
0x0000
,
/* Channel Config: 0x0000 */
0x00
,
/* Channel Names: 0 */
0x00
,
/* Terminal: 0 */
},
/* Output Terminal Descriptor */
{
UAC_DT_OUTPUT_TERMINAL_SIZE
,
UAC_CS_INTERFACE
,
UAC_OUTPUT_TERMINAL
,
0x02
,
/* Terminal ID: 2 */
0x0302
,
/* Terminal Type: Headphones (0x0302) */
0x00
,
/* Assoc Terminal: 0 */
0x01
,
/* Source ID: 1 */
0x00
,
/* Terminal: 0 */
},
#if UAC_USE_FEATURE_UNIT
/* Feature unit Descriptor */
{
UAC_DT_FEATURE_UNIT_SIZE
(
UAC_CH_NUM
),
UAC_CS_INTERFACE
,
UAC_FEATURE_UNIT
,
0x02
,
0x0101
,
0x00
,
0x01
,
},
#endif
};
ALIGN
(
4
)
static
struct
uinterface_descriptor
as_desc0
=
{
USB_DESC_LENGTH_INTERFACE
,
USB_DESC_TYPE_INTERFACE
,
USB_DYNAMIC
,
0x00
,
0x00
,
USB_CLASS_AUDIO
,
USB_SUBCLASS_AUDIOSTREAMING
,
0x00
,
0x00
,
};
ALIGN
(
4
)
static
struct
uac_as_descriptor
as_desc
=
{
/* Interface Descriptor */
{
USB_DESC_LENGTH_INTERFACE
,
USB_DESC_TYPE_INTERFACE
,
USB_DYNAMIC
,
0x01
,
0x01
,
USB_CLASS_AUDIO
,
USB_SUBCLASS_AUDIOSTREAMING
,
0x00
,
0x00
,
},
/* General AS Descriptor */
{
UAC_DT_AS_HEADER_SIZE
,
UAC_CS_INTERFACE
,
UAC_AS_GENERAL
,
0x01
,
/* Terminal ID: 1 */
0x01
,
/* Interface delay in frames: 1 */
UAC_FORMAT_TYPE_I_PCM
,
},
/* Format type i Descriptor */
{
UAC_FORMAT_TYPE_I_DISCRETE_DESC_SIZE
(
UAC_FORMAT_NUM
),
UAC_CS_INTERFACE
,
UAC_FORMAT_TYPE
,
UAC_FORMAT_TYPE_I
,
UAC_CHANNEL_NUM
,
2
,
/* Subframe Size: 2 */
RESOLUTION_BITS
,
0x01
,
/* Samples Frequence Type: 1 */
{
0
},
/* Samples Frequence */
},
/* Endpoint Descriptor */
{
USB_DESC_LENGTH_ENDPOINT
,
USB_DESC_TYPE_ENDPOINT
,
USB_DYNAMIC
|
USB_DIR_OUT
,
USB_EP_ATTR_ISOC
,
UAC_EP_MAX_PACKET_SIZE
,
0x01
,
},
/* AS Endpoint Descriptor */
{
UAC_ISO_ENDPOINT_DESC_SIZE
,
UAC_CS_ENDPOINT
,
UAC_MS_GENERAL
,
},
};
void
speaker_entry
(
void
*
parameter
)
{
struct
rt_audio_caps
caps
=
{
0
};
rt_uint32_t
e
,
index
;
speaker
.
buffer
=
rt_malloc
(
AUDIO_BUFFER_SZ
);
if
(
speaker
.
buffer
==
RT_NULL
)
{
LOG_E
(
"malloc failed"
);
goto
__exit
;
}
speaker
.
dev
=
rt_device_find
(
SPEAKER_DEVICE_NAME
);
if
(
speaker
.
dev
==
RT_NULL
)
{
LOG_E
(
"can't find device:%s"
,
SPEAKER_DEVICE_NAME
);
goto
__exit
;
}
while
(
1
)
{
if
(
rt_event_recv
(
speaker
.
event
,
EVENT_AUDIO_START
|
EVENT_AUDIO_STOP
,
RT_EVENT_FLAG_OR
|
RT_EVENT_FLAG_CLEAR
,
1000
,
&
e
)
!=
RT_EOK
)
{
continue
;
}
if
(
speaker
.
open_count
==
0
)
{
continue
;
}
LOG_D
(
"play start"
);
rt_device_open
(
speaker
.
dev
,
RT_DEVICE_OFLAG_WRONLY
);
caps
.
main_type
=
AUDIO_TYPE_OUTPUT
;
caps
.
sub_type
=
AUDIO_DSP_PARAM
;
caps
.
udata
.
config
.
samplerate
=
AUDIO_SAMPLERATE
;
caps
.
udata
.
config
.
channels
=
AUDIO_CHANNEL
;
caps
.
udata
.
config
.
samplebits
=
RESOLUTION_BITS
;
rt_device_control
(
speaker
.
dev
,
AUDIO_CTL_CONFIGURE
,
&
caps
);
while
(
1
)
{
if
(
rt_event_recv
(
speaker
.
event
,
EVENT_AUDIO_DATA
|
EVENT_AUDIO_STOP
,
RT_EVENT_FLAG_OR
|
RT_EVENT_FLAG_CLEAR
,
1000
,
&
e
)
!=
RT_EOK
)
{
if
(
speaker
.
open_count
>
0
)
continue
;
else
break
;
}
if
(
e
&
EVENT_AUDIO_DATA
)
{
index
=
(
speaker
.
buffer_index
>=
AUDIO_BUFFER_SZ
/
2
)
?
0
:
(
AUDIO_BUFFER_SZ
/
2
);
rt_device_write
(
speaker
.
dev
,
0
,
speaker
.
buffer
+
index
,
AUDIO_BUFFER_SZ
/
2
);
}
else
if
(
e
&
EVENT_AUDIO_STOP
)
{
break
;
}
}
LOG_D
(
"play stop"
);
rt_device_close
(
speaker
.
dev
);
}
__exit:
if
(
speaker
.
buffer
)
rt_free
(
speaker
.
buffer
);
}
static
rt_err_t
_audio_start
(
ufunction_t
func
)
{
speaker
.
ep
->
request
.
buffer
=
speaker
.
buffer
;
speaker
.
ep
->
request
.
size
=
UAC_EP_MAX_PACKET_SIZE
;
speaker
.
ep
->
request
.
req_type
=
UIO_REQUEST_READ_FULL
;
rt_usbd_io_request
(
func
->
device
,
speaker
.
ep
,
&
speaker
.
ep
->
request
);
speaker
.
open_count
++
;
rt_event_send
(
speaker
.
event
,
EVENT_AUDIO_START
);
return
0
;
}
static
rt_err_t
_audio_stop
(
ufunction_t
func
)
{
speaker
.
open_count
--
;
rt_event_send
(
speaker
.
event
,
EVENT_AUDIO_STOP
);
return
0
;
}
static
rt_err_t
_ep_data_handler
(
ufunction_t
func
,
rt_size_t
size
)
{
RT_ASSERT
(
func
!=
RT_NULL
);
LOG_D
(
"_ep_data_handler"
);
speaker
.
ep
->
request
.
buffer
=
speaker
.
buffer
+
speaker
.
buffer_index
;
speaker
.
ep
->
request
.
size
=
UAC_EP_MAX_PACKET_SIZE
;
speaker
.
ep
->
request
.
req_type
=
UIO_REQUEST_READ_FULL
;
rt_usbd_io_request
(
func
->
device
,
speaker
.
ep
,
&
speaker
.
ep
->
request
);
speaker
.
buffer_index
+=
UAC_EP_MAX_PACKET_SIZE
;
if
(
speaker
.
buffer_index
>=
AUDIO_BUFFER_SZ
)
{
speaker
.
buffer_index
=
0
;
rt_event_send
(
speaker
.
event
,
EVENT_AUDIO_DATA
);
}
else
if
(
speaker
.
buffer_index
==
AUDIO_BUFFER_SZ
/
2
)
{
rt_event_send
(
speaker
.
event
,
EVENT_AUDIO_DATA
);
}
return
RT_EOK
;
}
static
rt_err_t
_interface_as_handler
(
ufunction_t
func
,
ureq_t
setup
)
{
RT_ASSERT
(
func
!=
RT_NULL
);
RT_ASSERT
(
func
->
device
!=
RT_NULL
);
RT_ASSERT
(
setup
!=
RT_NULL
);
LOG_D
(
"_interface_as_handler"
);
if
((
setup
->
request_type
&
USB_REQ_TYPE_MASK
)
==
USB_REQ_TYPE_STANDARD
)
{
switch
(
setup
->
bRequest
)
{
case
USB_REQ_GET_INTERFACE
:
break
;
case
USB_REQ_SET_INTERFACE
:
LOG_D
(
"set interface handler"
);
if
(
setup
->
wValue
==
1
)
{
_audio_start
(
func
);
}
else
if
(
setup
->
wValue
==
0
)
{
_audio_stop
(
func
);
}
break
;
default:
LOG_D
(
"unknown uac request 0x%x"
,
setup
->
bRequest
);
return
-
RT_ERROR
;
}
}
return
RT_EOK
;
}
static
rt_err_t
_function_enable
(
ufunction_t
func
)
{
RT_ASSERT
(
func
!=
RT_NULL
);
LOG_D
(
"uac function enable"
);
return
RT_EOK
;
}
static
rt_err_t
_function_disable
(
ufunction_t
func
)
{
RT_ASSERT
(
func
!=
RT_NULL
);
LOG_D
(
"uac function disable"
);
_audio_stop
(
func
);
return
RT_EOK
;
}
static
struct
ufunction_ops
ops
=
{
_function_enable
,
_function_disable
,
RT_NULL
,
};
/**
* This function will configure uac descriptor.
*
* @param comm the communication interface number.
* @param data the data interface number.
*
* @return RT_EOK on successful.
*/
static
rt_err_t
_uac_descriptor_config
(
struct
uac_ac_descriptor
*
ac
,
rt_uint8_t
cintf_nr
,
struct
uac_as_descriptor
*
as
,
rt_uint8_t
sintf_nr
)
{
ac
->
hdr_desc
.
baInterfaceNr
[
0
]
=
sintf_nr
;
#ifdef RT_USB_DEVICE_COMPOSITE
ac
->
iad_desc
.
bFirstInterface
=
cintf_nr
;
#endif
return
RT_EOK
;
}
static
rt_err_t
_uac_samplerate_config
(
struct
uac_as_descriptor
*
as
,
rt_uint32_t
samplerate
)
{
as
->
format_type_desc
.
tSamFreq
[
0
][
2
]
=
samplerate
>>
16
&
0xff
;
as
->
format_type_desc
.
tSamFreq
[
0
][
1
]
=
samplerate
>>
8
&
0xff
;
as
->
format_type_desc
.
tSamFreq
[
0
][
0
]
=
samplerate
&
0xff
;
return
RT_EOK
;
}
/**
* This function will create a uac function instance.
*
* @param device the usb device object.
*
* @return RT_EOK on successful.
*/
ufunction_t
rt_usbd_function_uac_speaker_create
(
udevice_t
device
)
{
ufunction_t
func
;
uintf_t
intf_ac
,
intf_as
;
ualtsetting_t
setting_as0
;
ualtsetting_t
setting_ac
,
setting_as
;
struct
uac_as_descriptor
*
as_desc_t
;
/* parameter check */
RT_ASSERT
(
device
!=
RT_NULL
);
/* set usb device string description */
rt_usbd_device_set_string
(
device
,
_ustring
);
/* create a uac function */
func
=
rt_usbd_function_new
(
device
,
&
dev_desc
,
&
ops
);
//not support HS
//rt_usbd_device_set_qualifier(device, &dev_qualifier);
/* create interface */
intf_ac
=
rt_usbd_interface_new
(
device
,
RT_NULL
);
intf_as
=
rt_usbd_interface_new
(
device
,
_interface_as_handler
);
/* create alternate setting */
setting_ac
=
rt_usbd_altsetting_new
(
sizeof
(
struct
uac_ac_descriptor
));
setting_as0
=
rt_usbd_altsetting_new
(
sizeof
(
struct
uinterface_descriptor
));
setting_as
=
rt_usbd_altsetting_new
(
sizeof
(
struct
uac_as_descriptor
));
/* config desc in alternate setting */
rt_usbd_altsetting_config_descriptor
(
setting_ac
,
&
ac_desc
,
(
rt_off_t
)
&
((
struct
uac_ac_descriptor
*
)
0
)
->
intf_desc
);
rt_usbd_altsetting_config_descriptor
(
setting_as0
,
&
as_desc0
,
0
);
rt_usbd_altsetting_config_descriptor
(
setting_as
,
&
as_desc
,
(
rt_off_t
)
&
((
struct
uac_as_descriptor
*
)
0
)
->
intf_desc
);
/* configure the uac interface descriptor */
_uac_descriptor_config
(
setting_ac
->
desc
,
intf_ac
->
intf_num
,
setting_as
->
desc
,
intf_as
->
intf_num
);
_uac_samplerate_config
(
setting_as
->
desc
,
AUDIO_SAMPLERATE
);
/* create endpoint */
as_desc_t
=
(
struct
uac_as_descriptor
*
)
setting_as
->
desc
;
speaker
.
ep
=
rt_usbd_endpoint_new
(
&
as_desc_t
->
ep_desc
,
_ep_data_handler
);
/* add the endpoint to the alternate setting */
rt_usbd_altsetting_add_endpoint
(
setting_as
,
speaker
.
ep
);
/* add the alternate setting to the interface, then set default setting of the interface */
rt_usbd_interface_add_altsetting
(
intf_ac
,
setting_ac
);
rt_usbd_set_altsetting
(
intf_ac
,
0
);
rt_usbd_interface_add_altsetting
(
intf_as
,
setting_as0
);
rt_usbd_interface_add_altsetting
(
intf_as
,
setting_as
);
rt_usbd_set_altsetting
(
intf_as
,
0
);
/* add the interface to the uac function */
rt_usbd_function_add_interface
(
func
,
intf_ac
);
rt_usbd_function_add_interface
(
func
,
intf_as
);
return
func
;
}
int
audio_speaker_init
(
void
)
{
rt_thread_t
speaker_tid
;
speaker
.
event
=
rt_event_create
(
"speaker_event"
,
RT_IPC_FLAG_FIFO
);
speaker_tid
=
rt_thread_create
(
"speaker_thread"
,
speaker_entry
,
RT_NULL
,
1024
,
5
,
10
);
if
(
speaker_tid
!=
RT_NULL
)
rt_thread_startup
(
speaker_tid
);
return
RT_EOK
;
}
INIT_COMPONENT_EXPORT
(
audio_speaker_init
);
/*
* register uac class
*/
static
struct
udclass
uac_speaker_class
=
{
.
rt_usbd_function_create
=
rt_usbd_function_uac_speaker_create
};
int
rt_usbd_uac_speaker_class_register
(
void
)
{
rt_usbd_class_register
(
&
uac_speaker_class
);
return
0
;
}
INIT_PREV_EXPORT
(
rt_usbd_uac_speaker_class_register
);
components/drivers/usb/usbdevice/core/core.c
浏览文件 @
3ada5c81
...
...
@@ -237,7 +237,8 @@ static rt_err_t _get_interface(struct udevice* device, ureq_t setup)
{
rt_uint8_t
value
;
uintf_t
intf
;
ufunction_t
func
;
/* parameter check */
RT_ASSERT
(
device
!=
RT_NULL
);
RT_ASSERT
(
setup
!=
RT_NULL
);
...
...
@@ -251,12 +252,17 @@ static rt_err_t _get_interface(struct udevice* device, ureq_t setup)
}
/* find the specified interface and its alternate setting */
intf
=
rt_usbd_find_interface
(
device
,
setup
->
wIndex
&
0xFF
,
RT_NULL
);
intf
=
rt_usbd_find_interface
(
device
,
setup
->
wIndex
&
0xFF
,
&
func
);
value
=
intf
->
curr_setting
->
intf_desc
->
bAlternateSetting
;
/* send the interface alternate setting to endpoint 0*/
rt_usbd_ep0_write
(
device
,
&
value
,
1
);
if
(
intf
->
handler
)
{
intf
->
handler
(
func
,
setup
);
}
return
RT_EOK
;
}
...
...
@@ -270,6 +276,7 @@ static rt_err_t _get_interface(struct udevice* device, ureq_t setup)
*/
static
rt_err_t
_set_interface
(
struct
udevice
*
device
,
ureq_t
setup
)
{
ufunction_t
func
;
uintf_t
intf
;
uep_t
ep
;
struct
rt_list_node
*
i
;
...
...
@@ -288,7 +295,7 @@ static rt_err_t _set_interface(struct udevice* device, ureq_t setup)
}
/* find the specified interface */
intf
=
rt_usbd_find_interface
(
device
,
setup
->
wIndex
&
0xFF
,
RT_NULL
);
intf
=
rt_usbd_find_interface
(
device
,
setup
->
wIndex
&
0xFF
,
&
func
);
/* set alternate setting to the interface */
rt_usbd_set_altsetting
(
intf
,
setup
->
wValue
&
0xFF
);
...
...
@@ -303,6 +310,11 @@ static rt_err_t _set_interface(struct udevice* device, ureq_t setup)
}
dcd_ep0_send_status
(
device
->
dcd
);
if
(
intf
->
handler
)
{
intf
->
handler
(
func
,
setup
);
}
return
RT_EOK
;
}
...
...
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