Код:
/* USB CDC device Configuration Descriptor */
__ALIGN_BEGIN uint8_t USBD_CDC_CfgFSDesc[USB_VENDOR_CONFIG_DESC_SIZ] __ALIGN_END =
{
/*Configuration Descriptor*/
0x09, /* bLength: Configuration Descriptor size */
USB_DESC_TYPE_CONFIGURATION, /* bDescriptorType: Configuration */
LOBYTE(USB_VENDOR_CONFIG_DESC_SIZ), /* wTotalLength:no of returned bytes */
HIBYTE(USB_VENDOR_CONFIG_DESC_SIZ),
0x03, /* bNumInterfaces: 3 interfaces */
0x01, /* bConfigurationValue: Configuration value */
0x00, /* iConfiguration: Index of string descriptor describing the configuration */
0x80, /* bmAttributes: bus-powered */
0xFA, /* MaxPower 500 mA */
/*---------------------------------------------------------------------------*/
/*Interface Descriptor */
0x09, /* bLength: Interface Descriptor size */
USB_DESC_TYPE_INTERFACE, /* bDescriptorType: Interface */
/* Interface descriptor type */
0x00, /* bInterfaceNumber: Number of Interface */
0x00, /* bAlternateSetting: Alternate setting */
0x04, /* bNumEndpoints: 4 endpoints total */
0xFF, /* bInterfaceClass: Vendor Device Class */
0x00, /* bInterfaceSubClass: not defined */
0x00, /* bInterfaceProtocol: not defined */
0x00, /* iInterface: */
/*Endpoint 2 Descriptor*/
0x07, /* bLength: Endpoint Descriptor size */
USB_DESC_TYPE_ENDPOINT, /* bDescriptorType: Endpoint */
0x02, /* bEndpointAddress */
0x02, /* bmAttributes: bulk */
LOBYTE(USB_FS_MAX_PACKET_SIZE), /* wMaxPacketSize: */
HIBYTE(USB_FS_MAX_PACKET_SIZE),
0, /* bInterval: */
/*---------------------------------------------------------------------------*/
/*Endpoint 2 Descriptor*/
0x07, /* bLength: Endpoint Descriptor size */
USB_DESC_TYPE_ENDPOINT, /* bDescriptorType: Endpoint */
0x04, /* bEndpointAddress */
0x02, /* bmAttributes: bulk */
LOBYTE(USB_FS_MAX_PACKET_SIZE), /* wMaxPacketSize: */
HIBYTE(USB_FS_MAX_PACKET_SIZE),
0, /* bInterval: */
/*Endpoint 2 Descriptor*/
0x07, /* bLength: Endpoint Descriptor size */
USB_DESC_TYPE_ENDPOINT, /* bDescriptorType: Endpoint */
0x86, /* bEndpointAddress */
0x02, /* bmAttributes: bulk */
LOBYTE(USB_FS_MAX_PACKET_SIZE), /* wMaxPacketSize: */
HIBYTE(USB_FS_MAX_PACKET_SIZE),
0, /* bInterval: */
/*Endpoint 2 Descriptor*/
0x07, /* bLength: Endpoint Descriptor size */
USB_DESC_TYPE_ENDPOINT, /* bDescriptorType: Endpoint */
0x88, /* bEndpointAddress */
0x02, /* bmAttributes: bulk */
LOBYTE(USB_FS_MAX_PACKET_SIZE), /* wMaxPacketSize: */
HIBYTE(USB_FS_MAX_PACKET_SIZE),
0, /* bInterval: */
/*---------------------------------------------------------------------------*/
/* interface association descriptor */
/* IAD to associate the two CDC interfaces */
USB_LEN_INTERFACE_ASSOC_DESC, /* bLength */
USB_DESC_TYPE_INTERFACE_ASSOC, /* bDescriptorType */
USB_CDC_CIF_NUM, /* bFirstInterface */
2, /* bInterfaceCount */
0x02, /* bFunctionClass: Communication Interface Class */
0x02, /* bFunctionSubClass: Abstract Control Model */
0, /* bFunctionProtocol */
0, /* iFunction (Index of string
descriptor describing this function) */
/*---------------------------------------------------------------------------*/
/*Interface Descriptor */
0x09, /* bLength: Interface Descriptor size */
USB_DESC_TYPE_INTERFACE, /* bDescriptorType: Interface */
/* Interface descriptor type */
0x01, /* bInterfaceNumber: Number of Interface */
0x00, /* bAlternateSetting: Alternate setting */
0x01, /* bNumEndpoints: One endpoints used */
0x02, /* bInterfaceClass: Communication Interface Class */
0x02, /* bInterfaceSubClass: Abstract Control Model */
0x01, /* bInterfaceProtocol: Common AT commands */
0x00, /* iInterface: */
/*Header Functional Descriptor*/
0x05, /* bLength: Endpoint Descriptor size */
0x24, /* bDescriptorType: CS_INTERFACE */
0x00, /* bDescriptorSubtype: Header Func Desc */
0x10, /* bcdCDC: spec release number */
0x01,
/*Call Management Functional Descriptor*/
0x05, /* bFunctionLength */
0x24, /* bDescriptorType: CS_INTERFACE */
0x01, /* bDescriptorSubtype: Call Management Func Desc */
0x00, /* bmCapabilities: D0+D1 */
0x02, /* bDataInterface: 2 */
/*ACM Functional Descriptor*/
0x04, /* bFunctionLength */
0x24, /* bDescriptorType: CS_INTERFACE */
0x02, /* bDescriptorSubtype: Abstract Control Management desc */
0x02, /* bmCapabilities */
/*Union Functional Descriptor*/
0x05, /* bFunctionLength */
0x24, /* bDescriptorType: CS_INTERFACE */
0x06, /* bDescriptorSubtype: Union func desc */
0x01, /* bMasterInterface: Communication class interface */
0x02, /* bSlaveInterface0: Data Class Interface */
/*Endpoint 2 Descriptor*/
0x07, /* bLength: Endpoint Descriptor size */
USB_DESC_TYPE_ENDPOINT, /* bDescriptorType: Endpoint */
CDC_CMD_EP, /* bEndpointAddress */
0x03, /* bmAttributes: Interrupt */
LOBYTE(CDC_CMD_PACKET_SIZE), /* wMaxPacketSize: */
HIBYTE(CDC_CMD_PACKET_SIZE),
CDC_FS_BINTERVAL, /* bInterval: */
/*---------------------------------------------------------------------------*/
/*Data class interface descriptor*/
0x09, /* bLength: Endpoint Descriptor size */
USB_DESC_TYPE_INTERFACE, /* bDescriptorType: */
0x02, /* bInterfaceNumber: Number of Interface */
0x00, /* bAlternateSetting: Alternate setting */
0x02, /* bNumEndpoints: Two endpoints used */
0x0A, /* bInterfaceClass: CDC */
0x00, /* bInterfaceSubClass: */
0x00, /* bInterfaceProtocol: */
0x00, /* iInterface: */
/*Endpoint OUT Descriptor*/
0x07, /* bLength: Endpoint Descriptor size */
USB_DESC_TYPE_ENDPOINT, /* bDescriptorType: Endpoint */
CDC_OUT_EP, /* bEndpointAddress */
0x02, /* bmAttributes: Bulk */
LOBYTE(USB_FS_MAX_PACKET_SIZE), /* wMaxPacketSize: */
HIBYTE(USB_FS_MAX_PACKET_SIZE),
0x00, /* bInterval: ignore for Bulk transfer */
/*Endpoint IN Descriptor*/
0x07, /* bLength: Endpoint Descriptor size */
USB_DESC_TYPE_ENDPOINT, /* bDescriptorType: Endpoint */
CDC_IN_EP, /* bEndpointAddress */
0x02, /* bmAttributes: Bulk */
LOBYTE(USB_FS_MAX_PACKET_SIZE), /* wMaxPacketSize: */
HIBYTE(USB_FS_MAX_PACKET_SIZE),
0x00 /* bInterval: ignore for Bulk transfer */
} ;
Что касается старых устройств, то там, скорее всего, и драйвера USB audio нет с асинхронным режимом (типа андроид 4.2) - а по времени, это, примерно, уже 5-7 летней давности железки
ADAU1701+STM32+CY7C68013A+FE1.1+Bluetooth 5>I2S
Сообщение от Senia
потом удалю.
Социальные закладки