632 lines
26 KiB
C
632 lines
26 KiB
C
/**
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**************************************************************************
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* @file audio_desc.c
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* @version v2.0.9
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* @date 2022-06-28
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* @brief usb audio device descriptor
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**************************************************************************
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* Copyright notice & Disclaimer
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*
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* The software Board Support Package (BSP) that is made available to
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* download from Artery official website is the copyrighted work of Artery.
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* Artery authorizes customers to use, copy, and distribute the BSP
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* software and its related documentation for the purpose of design and
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* development in conjunction with Artery microcontrollers. Use of the
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* software is governed by this copyright notice and the following disclaimer.
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*
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* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
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* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
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* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
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* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
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* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
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*
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**************************************************************************
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*/
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#include "usb_std.h"
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#include "usbd_sdr.h"
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#include "usbd_core.h"
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#include "audio_desc.h"
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/** @addtogroup AT32F435_437_middlewares_usbd_class
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* @{
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*/
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/** @defgroup USB_audio_desc
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* @brief usb device audio descriptor
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* @{
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*/
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/** @defgroup USB_audio_desc_private_functions
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* @{
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*/
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static usbd_desc_t *get_device_descriptor(void);
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static usbd_desc_t *get_device_qualifier(void);
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static usbd_desc_t *get_device_configuration(void);
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static usbd_desc_t *get_device_other_speed(void);
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static usbd_desc_t *get_device_lang_id(void);
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static usbd_desc_t *get_device_manufacturer_string(void);
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static usbd_desc_t *get_device_product_string(void);
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static usbd_desc_t *get_device_serial_string(void);
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static usbd_desc_t *get_device_interface_string(void);
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static usbd_desc_t *get_device_config_string(void);
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static uint16_t usbd_unicode_convert(uint8_t *string, uint8_t *unicode_buf);
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static void usbd_int_to_unicode (uint32_t value , uint8_t *pbuf , uint8_t len);
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static void get_serial_num(void);
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static uint8_t g_usbd_desc_buffer[256];
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/**
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* @brief device descriptor handler structure
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*/
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usbd_desc_handler audio_desc_handler =
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{
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get_device_descriptor,
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get_device_qualifier,
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get_device_configuration,
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get_device_other_speed,
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get_device_lang_id,
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get_device_manufacturer_string,
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get_device_product_string,
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get_device_serial_string,
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get_device_interface_string,
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get_device_config_string,
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};
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/**
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* @brief usb device standard descriptor
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*/
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#if defined ( __ICCARM__ ) /* iar compiler */
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#pragma data_alignment=4
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#endif
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ALIGNED_HEAD static uint8_t g_usbd_descriptor[USB_DEVICE_DESC_LEN] ALIGNED_TAIL =
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{
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USB_DEVICE_DESC_LEN, /* bLength */
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USB_DESCIPTOR_TYPE_DEVICE, /* bDescriptorType */
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0x00, /* bcdUSB */
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0x02,
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0x00, /* bDeviceClass */
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0x00, /* bDeviceSubClass */
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0x00, /* bDeviceProtocol */
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USB_MAX_EP0_SIZE, /* bMaxPacketSize */
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LBYTE(USBD_AUDIO_VENDOR_ID), /* idVendor */
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HBYTE(USBD_AUDIO_VENDOR_ID), /* idVendor */
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LBYTE(USBD_AUDIO_PRODUCT_ID), /* idProduct */
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HBYTE(USBD_AUDIO_PRODUCT_ID), /* idProduct */
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0x00, /* bcdDevice rel. 2.00 */
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0x02,
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USB_MFC_STRING, /* Index of manufacturer string */
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USB_PRODUCT_STRING, /* Index of product string */
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USB_SERIAL_STRING, /* Index of serial number string */
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0x01 /* bNumConfigurations */
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};
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/**
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* @brief usb configuration standard descriptor
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*/
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#if defined ( __ICCARM__ ) /* iar compiler */
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#pragma data_alignment=4
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#endif
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ALIGNED_HEAD static uint8_t g_usbd_configuration[USBD_AUDIO_CONFIG_DESC_SIZE] ALIGNED_TAIL =
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{
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USB_DEVICE_CFG_DESC_LEN, /* bLength: configuration descriptor size */
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USB_DESCIPTOR_TYPE_CONFIGURATION, /* bDescriptorType: configuration */
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LBYTE(USBD_AUDIO_CONFIG_DESC_SIZE), /* wTotalLength: bytes returned */
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HBYTE(USBD_AUDIO_CONFIG_DESC_SIZE), /* wTotalLength: bytes returned */
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0x1 + AUDIO_INTERFACE_NUM, /* bNumInterfaces: n interface */
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0x01, /* bConfigurationValue: configuration value */
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0x00, /* iConfiguration: index of string descriptor describing
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the configuration */
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0xC0, /* bmAttributes: self powered */
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0x32, /* MaxPower 100 mA: this current is used for detecting vbus */
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USB_DEVICE_IF_DESC_LEN, /* bLength: interface descriptor size */
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USB_DESCIPTOR_TYPE_INTERFACE, /* bDescriptorType: interface descriptor type */
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0x00, /* bInterfaceNumber: number of interface */
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0x00, /* bAlternateSetting: alternate set */
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0x00, /* bNumEndpoints: number of endpoints */
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USB_CLASS_CODE_AUDIO, /* bInterfaceClass: audio class code */
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AUDIO_SUBCLASS_AUDIOCONTROL, /* bInterfaceSubClass: audio control */
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AUDIO_PROTOCOL_UNDEFINED, /* bInterfaceProtocol: undefined */
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0x00, /* iInterface: index of string descriptor */
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0x08+AUDIO_INTERFACE_NUM, /* bLength: size of this descriptor, in bytes 8+n */
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AUDIO_CS_INTERFACE, /* bDescriptorType: cs interface descriptor type */
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AUDIO_AC_HEADER, /* bDescriptorSubtype: Header function Descriptor*/
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LBYTE(AUDIO_BCD_NUM),
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HBYTE(AUDIO_BCD_NUM), /* bcdCDC: audio device class specification release number */
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LBYTE(AUDIO_INTERFACE_LEN),
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HBYTE(AUDIO_INTERFACE_LEN), /* wTotalLength: total number of bytes returned for the class-specific audio control interface */
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AUDIO_INTERFACE_NUM, /* bInClollection: the number of audio streaming */
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#if (AUDIO_INTERFACE_NUM == 2) /* two interface */
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0x02,
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0x01,
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#else
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0x01,
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#endif
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/* usb microphone config */
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#if (AUDIO_SUPPORT_MIC == 1)
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AUDIO_INPUT_TERMINAL_SIZE, /* bLength: descriptor size */
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AUDIO_CS_INTERFACE, /* bDescriptorType: configuration */
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AUDIO_AC_INPUT_TERMINAL, /* bDescriptorSubtype: input_terminal type*/
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AUDIO_MIC_INPUT_TERMINAL_ID, /* bTerminalID: id of this input terminal*/
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LBYTE(AUDIO_INPUT_TERMINAL_MICROPHONE),
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HBYTE(AUDIO_INPUT_TERMINAL_MICROPHONE),/* wTerminalType: terminal is microphone */
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0x00, /* bAssocTerminal: no association */
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AUDIO_MIC_CHR, /* bNrChannels: two channel */
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#if (AUDIO_MIC_CHR == 2)
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0x03, /* wChannelConfig: left front and right front */
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#endif
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#if (AUDIO_MIC_CHR == 1)
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0x00, /* wChannelConfig */
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#endif
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0x00, /* wChannelConfig */
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0x00, /* iChannelNames: unused */
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0x00, /* iTerminal: unused */
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AUDIO_FEATURE_UNIT_SIZE, /* bLength: descriptor size */
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AUDIO_CS_INTERFACE, /* bDescriptorType: configuration */
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AUDIO_AC_FEATURE_UNIT, /* bDescriptorSubtype: feature unit type*/
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AUDIO_MIC_FEATURE_UNIT_ID, /* bUnitID: id of this feature unit */
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AUDIO_MIC_INPUT_TERMINAL_ID, /* bSourceID: from input terminal */
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0x01, /* bControlSize: 1 byte */
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0x01, /* bmaControls0: mute */
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0x02, /* bmaControls1: volume */
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0x00, /* iFeature: unused */
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AUDIO_OUTPUT_TERMINAL_SIZE, /* bLength: descriptor size */
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AUDIO_CS_INTERFACE, /* bDescriptorType: configuration */
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AUDIO_AC_OUTPUT_TERMINAL, /* bDescriptorSubtype: output_terminal type*/
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AUDIO_MIC_OUTPUT_TERMINAL_ID, /* bTerminalID: id of this output terminal*/
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LBYTE(AUDIO_TERMINAL_TYPE_STREAMING),
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HBYTE(AUDIO_TERMINAL_TYPE_STREAMING), /* wTerminalType: usb streaming */
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0x00, /* bAssocTerminal: unused */
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AUDIO_MIC_FEATURE_UNIT_ID, /* bSourceID: from feature unit terminal */
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0x00, /* iTerminal: unused */
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#endif
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#if (AUDIO_SUPPORT_SPK == 1)
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/* speaker config */
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AUDIO_INPUT_TERMINAL_SIZE, /* bLength: descriptor size */
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AUDIO_CS_INTERFACE, /* bDescriptorType: configuration */
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AUDIO_AC_INPUT_TERMINAL, /* bDescriptorSubtype: input_terminal type*/
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AUDIO_SPK_INPUT_TERMINAL_ID, /* bTerminalID: id of this input terminal*/
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LBYTE(AUDIO_TERMINAL_TYPE_STREAMING), /* wTerminalType: usb streaming */
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HBYTE(AUDIO_TERMINAL_TYPE_STREAMING), /* wTerminalType: usb streaming */
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0x00, /* bAssocTerminal: no association */
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AUDIO_SPK_CHR, /* bNrChannels: two channel */
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#if (AUDIO_SPK_CHR == 2)
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0x03, /* wChannelConfig: left front and right front */
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#endif
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#if (AUDIO_SPK_CHR == 1)
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0x00, /* wChannelConfig */
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#endif
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0x00, /* wChannelConfig */
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0x00, /* iChannelNames: unused */
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0x00, /* iTerminal: unused */
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AUDIO_FEATURE_UNIT_SIZE, /* bLength: descriptor size */
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AUDIO_CS_INTERFACE, /* bDescriptorType: configuration */
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AUDIO_AC_FEATURE_UNIT, /* bDescriptorSubtype: feature unit type*/
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AUDIO_SPK_FEATURE_UNIT_ID, /* bUnitID: id of this feature unit */
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AUDIO_SPK_INPUT_TERMINAL_ID, /* bSourceID: from input terminal */
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0x01, /* bControlSize: 1 byte */
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0x01, /* bmaControls0: mute*/
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0x02, /* bmaControls1: volume */
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0x00, /* iFeature: unused */
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AUDIO_OUTPUT_TERMINAL_SIZE, /* bLength: descriptor size */
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AUDIO_CS_INTERFACE, /* bDescriptorType: configuration */
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AUDIO_AC_OUTPUT_TERMINAL, /* bDescriptorSubtype: output_terminal type*/
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AUDIO_SPK_OUTPUT_TERMINAL_ID, /* bTerminalID: id of this output terminal*/
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LBYTE(AUDIO_OUTPUT_TERMINAL_SPEAKER), /* wTerminalType: usb speaker */
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HBYTE(AUDIO_OUTPUT_TERMINAL_SPEAKER), /* wTerminalType: usb speaker */
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0x00, /* bAssocTerminal: unused */
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AUDIO_SPK_FEATURE_UNIT_ID, /* bSourceID: from feature unit terminal */
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0x00, /* iTerminal: unused */
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#endif
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#if (AUDIO_SUPPORT_MIC == 1)
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/* microphone interface */
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0x09, /* bLength: descriptor size */
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USB_DESCIPTOR_TYPE_INTERFACE, /* bDescriptorType: interface descriptor type */
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AUDIO_MIC_INTERFACE_NUMBER, /* bInterfaceNumber: index of this interface */
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0x00, /* bAlternateSetting: index of this setting */
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0x00, /* bNumEndpoints: 0 endpoints */
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USB_CLASS_CODE_AUDIO, /* bInterfaceClass: audio */
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AUDIO_SUBCLASS_AUDIOSTREAMING, /* bInterfaceSubclass: audio streaming */
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0x00, /* bInterfaceProtocol: unused */
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0x00, /* iInterface: unused */
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0x09, /* bLength: descriptor size */
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USB_DESCIPTOR_TYPE_INTERFACE, /* bDescriptorType: interface descriptor type */
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AUDIO_MIC_INTERFACE_NUMBER, /* bInterfaceNumber: index of this interface */
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0x01, /* bAlternateSetting: index of this setting */
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0x01, /* bNumEndpoints: 1 endpoints */
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USB_CLASS_CODE_AUDIO, /* bInterfaceClass: audio */
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AUDIO_SUBCLASS_AUDIOSTREAMING, /* bInterfaceSubclass: audio streaming */
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0x00, /* bInterfaceProtocol: unused */
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0x00, /* iInterface: unused */
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0x07, /* bLength: configuration descriptor size */
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AUDIO_CS_INTERFACE, /* bDescriptorType: interface descriptor type */
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AUDIO_AS_GENERAL, /* bDescriptorSubtype: general sub type*/
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AUDIO_MIC_OUTPUT_TERMINAL_ID, /* bTerminalLink: unit id of the output terminal */
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0x01, /* bDelay: interface delay */
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0x01, /* wFormatTag: pcm format*/
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0x00, /* wFormatTag: pcm format*/
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0x08 + AUDIO_MIC_FREQ_SIZE * 3, /* bLength: descriptor size */
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AUDIO_CS_INTERFACE, /* bDescriptorType: interface descriptor type */
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AUDIO_AS_FORMAT_TYPE, /* bDescriptorSubtype: format subtype */
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AUDIO_FORMAT_TYPE_I, /* bFormatType: format type 1 */
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AUDIO_MIC_CHR, /* bNrChannels: channel number */
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AUDIO_MIC_BITW / 8, /* bSubFrameSize: per audio subframe */
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AUDIO_MIC_BITW, /* bBitResolution: n bits per sample */
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AUDIO_MIC_FREQ_SIZE, /* bSamFreqType: n frequency supported */
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#if (AUDIO_SUPPORT_FREQ_16K == 1)
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SAMPLE_FREQ(AT32_AUDIO_FREQ_16K), /* tSamFreq: 16000hz */
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#endif
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#if (AUDIO_SUPPORT_FREQ_48K == 1)
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SAMPLE_FREQ(AT32_AUDIO_FREQ_48K), /* tSamFreq: 48000hz */
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#endif
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0x09, /* bLength: size of endpoint descriptor in bytes */
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USB_DESCIPTOR_TYPE_ENDPOINT, /* bDescriptorType: endpoint descriptor type */
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USBD_AUDIO_MIC_IN_EPT, /* bEndpointAddress: the address of endpoint on usb device described by this descriptor */
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USB_EPT_DESC_ISO | USB_ETP_DESC_ASYNC, /* bmAttributes: endpoint attributes */
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LBYTE(AUDIO_MIC_IN_MAXPACKET_SIZE),
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HBYTE(AUDIO_MIC_IN_MAXPACKET_SIZE), /* wMaxPacketSize: maximum packe size this endpoint */
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AUDIO_BINTERVAL_TIME, /* bInterval: interval for polling endpoint for data transfers */
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0x00, /* bRefresh: unused */
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0x00, /* bSynchAddress: unused */
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0x07, /* bLength: size of endpoint descriptor in bytes */
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AUDIO_CS_ENDPOINT, /* bDescriptorType: cs endpoint descriptor type */
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0x01, /* bDescriptorSubtype: general subtype */
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0x01, /* bmAttributes */
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0x00, /* bLockDelayUnits: unused */
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0x00, /* wLockDelay: unused */
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0x00, /* wLockDelay: unused */
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#endif
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#if (AUDIO_SUPPORT_SPK == 1)
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/* speaker interface */
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0x09, /* bLength: descriptor size */
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USB_DESCIPTOR_TYPE_INTERFACE, /* bDescriptorType: interface descriptor type */
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AUDIO_SPK_INTERFACE_NUMBER, /* bInterfaceNumber: index of this interface */
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0x00, /* bAlternateSetting: index of this setting */
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0x00, /* bNumEndpoints: 0 endpoints */
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USB_CLASS_CODE_AUDIO, /* bInterfaceClass: audio */
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AUDIO_SUBCLASS_AUDIOSTREAMING, /* bInterfaceSubclass: audio streaming */
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0x00, /* bInterfaceProtocol: unused */
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0x00, /* iInterface: unused */
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0x09, /* bLength: descriptor size */
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USB_DESCIPTOR_TYPE_INTERFACE, /* bDescriptorType: interface descriptor type */
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AUDIO_SPK_INTERFACE_NUMBER, /* bInterfaceNumber: index of this interface */
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0x01, /* bAlternateSetting: index of this setting */
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0x01 + AUDIO_SUPPORT_FEEDBACK, /* bNumEndpoints: endpoints */
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USB_CLASS_CODE_AUDIO, /* bInterfaceClass: audio */
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AUDIO_SUBCLASS_AUDIOSTREAMING, /* bInterfaceSubclass: audio streaming */
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0x00, /* bInterfaceProtocol: unused */
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0x00, /* iInterface: unused */
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0x07, /* bLength: configuration descriptor size */
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AUDIO_CS_INTERFACE, /* bDescriptorType: interface descriptor type */
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AUDIO_AS_GENERAL, /* bDescriptorSubtype: general sub type*/
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AUDIO_SPK_INPUT_TERMINAL_ID, /* bTerminalLink: unit id of the input terminal */
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0x01, /* bDelay: interface delay */
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0x01, /* wFormatTag: pcm format*/
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0x00, /* wFormatTag: pcm format*/
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0x08 + AUDIO_SPK_FREQ_SIZE * 3, /* bLength: descriptor size */
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AUDIO_CS_INTERFACE, /* bDescriptorType: interface descriptor type */
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AUDIO_AS_FORMAT_TYPE, /* bDescriptorSubtype: format subtype */
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AUDIO_FORMAT_TYPE_I, /* bFormatType: format type 1 */
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AUDIO_SPK_CHR, /* bNrChannels: channel number */
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AUDIO_SPK_BITW / 8, /* bSubFrameSize: per audio subframe */
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AUDIO_SPK_BITW, /* bBitResolution: n bits per sample */
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AUDIO_SPK_FREQ_SIZE, /* bSamFreqType: n frequency supported */
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#if (AUDIO_SUPPORT_FREQ_16K == 1)
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SAMPLE_FREQ(AT32_AUDIO_FREQ_16K), /* tSamFreq: 16000hz */
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#endif
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#if (AUDIO_SUPPORT_FREQ_48K == 1)
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SAMPLE_FREQ(AT32_AUDIO_FREQ_48K), /* tSamFreq: 48000hz */
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#endif
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0x09, /* bLength: size of endpoint descriptor in bytes */
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USB_DESCIPTOR_TYPE_ENDPOINT, /* bDescriptorType: endpoint descriptor type */
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USBD_AUDIO_SPK_OUT_EPT, /* bEndpointAddress: the address of endpoint on usb device described by this descriptor */
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USB_EPT_DESC_ISO | USB_ETP_DESC_ASYNC, /* bmAttributes: endpoint attributes */
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LBYTE(AUDIO_SPK_OUT_MAXPACKET_SIZE),
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HBYTE(AUDIO_SPK_OUT_MAXPACKET_SIZE), /* wMaxPacketSize: maximum packe size this endpoint */
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AUDIO_BINTERVAL_TIME, /* bInterval: interval for polling endpoint for data transfers */
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0x00, /* bRefresh: unused */
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#if (AUDIO_SUPPORT_FEEDBACK == 1)
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USBD_AUDIO_FEEDBACK_EPT, /* bSynchAddress: feedback endpoint */
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#else
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0x00, /* bSynchAddress: unused */
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#endif
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0x07, /* bLength: size of endpoint descriptor in bytes */
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AUDIO_CS_ENDPOINT, /* bDescriptorType: cs endpoint descriptor type */
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0x01, /* bDescriptorSubtype: general subtype */
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0x01, /* bmAttributes */
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0x00, /* bLockDelayUnits: unused */
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0x00, /* wLockDelay: unused */
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0x00, /* wLockDelay: unused */
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#if (AUDIO_SUPPORT_FEEDBACK == 1)
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0x09, /* bLength: size of endpoint descriptor in bytes */
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USB_DESCIPTOR_TYPE_ENDPOINT, /* bDescriptorType: endpoint descriptor type */
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USBD_AUDIO_FEEDBACK_EPT, /* bEndpointAddress: the address of endpoint on usb device described by this descriptor */
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0x11, /* bmAttributes: endpoint attributes */
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LBYTE(AUDIO_FEEDBACK_MAXPACKET_SIZE), /* wMaxPacketSize: maximum packe size this endpoint */
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HBYTE(AUDIO_FEEDBACK_MAXPACKET_SIZE), /* wMaxPacketSize: maximum packe size this endpoint */
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1, /* bInterval: interval for polling endpoint for data transfers */
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FEEDBACK_REFRESH_TIME, /* bRefresh: this field indicates the rate at which an iso syncronization
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pipe provides new syncronization feedback data. this rate must be a power of
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2, therefore only the power is reported back and the range of this field is from
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1(2ms) to 9(512ms) */
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0x00 /* bSynchAddress: 0x00*/
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#endif
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#endif
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};
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/**
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* @brief usb string lang id
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*/
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#if defined ( __ICCARM__ ) /* iar compiler */
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#pragma data_alignment=4
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#endif
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ALIGNED_HEAD static uint8_t g_string_lang_id[USBD_AUDIO_SIZ_STRING_LANGID] ALIGNED_TAIL =
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{
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USBD_AUDIO_SIZ_STRING_LANGID,
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USB_DESCIPTOR_TYPE_STRING,
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0x09,
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0x04,
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};
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/**
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* @brief usb string serial
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*/
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#if defined ( __ICCARM__ ) /* iar compiler */
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#pragma data_alignment=4
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#endif
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ALIGNED_HEAD static uint8_t g_string_serial[USBD_AUDIO_SIZ_STRING_SERIAL] ALIGNED_TAIL =
|
|
{
|
|
USBD_AUDIO_SIZ_STRING_SERIAL,
|
|
USB_DESCIPTOR_TYPE_STRING,
|
|
};
|
|
|
|
|
|
/* device descriptor */
|
|
static usbd_desc_t device_descriptor =
|
|
{
|
|
USB_DEVICE_DESC_LEN,
|
|
g_usbd_descriptor
|
|
};
|
|
|
|
/* config descriptor */
|
|
static usbd_desc_t config_descriptor =
|
|
{
|
|
USBD_AUDIO_CONFIG_DESC_SIZE,
|
|
g_usbd_configuration
|
|
};
|
|
|
|
/* langid descriptor */
|
|
static usbd_desc_t langid_descriptor =
|
|
{
|
|
USBD_AUDIO_SIZ_STRING_LANGID,
|
|
g_string_lang_id
|
|
};
|
|
|
|
/* serial descriptor */
|
|
static usbd_desc_t serial_descriptor =
|
|
{
|
|
USBD_AUDIO_SIZ_STRING_SERIAL,
|
|
g_string_serial
|
|
};
|
|
|
|
static usbd_desc_t vp_desc;
|
|
|
|
/**
|
|
* @brief standard usb unicode convert
|
|
* @param string: source string
|
|
* @param unicode_buf: unicode buffer
|
|
* @retval length
|
|
*/
|
|
static uint16_t usbd_unicode_convert(uint8_t *string, uint8_t *unicode_buf)
|
|
{
|
|
uint16_t str_len = 0, id_pos = 2;
|
|
uint8_t *tmp_str = string;
|
|
|
|
while(*tmp_str != '\0')
|
|
{
|
|
str_len ++;
|
|
unicode_buf[id_pos ++] = *tmp_str ++;
|
|
unicode_buf[id_pos ++] = 0x00;
|
|
}
|
|
|
|
str_len = str_len * 2 + 2;
|
|
unicode_buf[0] = str_len;
|
|
unicode_buf[1] = USB_DESCIPTOR_TYPE_STRING;
|
|
|
|
return str_len;
|
|
}
|
|
|
|
/**
|
|
* @brief usb int convert to unicode
|
|
* @param value: int value
|
|
* @param pbus: unicode buffer
|
|
* @param len: length
|
|
* @retval none
|
|
*/
|
|
static void usbd_int_to_unicode (uint32_t value , uint8_t *pbuf , uint8_t len)
|
|
{
|
|
uint8_t idx = 0;
|
|
|
|
for( idx = 0 ; idx < len ; idx ++)
|
|
{
|
|
if( ((value >> 28)) < 0xA )
|
|
{
|
|
pbuf[2 * idx] = (value >> 28) + '0';
|
|
}
|
|
else
|
|
{
|
|
pbuf[2 * idx] = (value >> 28) + 'A' - 10;
|
|
}
|
|
|
|
value = value << 4;
|
|
|
|
pbuf[2 * idx + 1] = 0;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief usb get serial number
|
|
* @param none
|
|
* @retval none
|
|
*/
|
|
static void get_serial_num(void)
|
|
{
|
|
uint32_t serial0, serial1, serial2;
|
|
|
|
serial0 = *(uint32_t*)MCU_ID1;
|
|
serial1 = *(uint32_t*)MCU_ID2;
|
|
serial2 = *(uint32_t*)MCU_ID3;
|
|
|
|
serial0 += serial2;
|
|
|
|
if (serial0 != 0)
|
|
{
|
|
usbd_int_to_unicode (serial0, &g_string_serial[2] ,8);
|
|
usbd_int_to_unicode (serial1, &g_string_serial[18] ,4);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief get device descriptor
|
|
* @param none
|
|
* @retval usbd_desc
|
|
*/
|
|
static usbd_desc_t *get_device_descriptor(void)
|
|
{
|
|
return &device_descriptor;
|
|
}
|
|
|
|
/**
|
|
* @brief get device qualifier
|
|
* @param none
|
|
* @retval usbd_desc
|
|
*/
|
|
static usbd_desc_t * get_device_qualifier(void)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* @brief get config descriptor
|
|
* @param none
|
|
* @retval usbd_desc
|
|
*/
|
|
static usbd_desc_t *get_device_configuration(void)
|
|
{
|
|
return &config_descriptor;
|
|
}
|
|
|
|
/**
|
|
* @brief get other speed descriptor
|
|
* @param none
|
|
* @retval usbd_desc
|
|
*/
|
|
static usbd_desc_t *get_device_other_speed(void)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* @brief get lang id descriptor
|
|
* @param none
|
|
* @retval usbd_desc
|
|
*/
|
|
static usbd_desc_t *get_device_lang_id(void)
|
|
{
|
|
return &langid_descriptor;
|
|
}
|
|
|
|
|
|
/**
|
|
* @brief get manufacturer descriptor
|
|
* @param none
|
|
* @retval usbd_desc
|
|
*/
|
|
static usbd_desc_t *get_device_manufacturer_string(void)
|
|
{
|
|
vp_desc.length = usbd_unicode_convert((uint8_t *)USBD_AUDIO_DESC_MANUFACTURER_STRING, g_usbd_desc_buffer);
|
|
vp_desc.descriptor = g_usbd_desc_buffer;
|
|
return &vp_desc;
|
|
}
|
|
|
|
/**
|
|
* @brief get product descriptor
|
|
* @param none
|
|
* @retval usbd_desc
|
|
*/
|
|
static usbd_desc_t *get_device_product_string(void)
|
|
{
|
|
vp_desc.length = usbd_unicode_convert((uint8_t *)USBD_AUDIO_DESC_PRODUCT_STRING, g_usbd_desc_buffer);
|
|
vp_desc.descriptor = g_usbd_desc_buffer;
|
|
return &vp_desc;
|
|
}
|
|
|
|
/**
|
|
* @brief get serial descriptor
|
|
* @param none
|
|
* @retval usbd_desc
|
|
*/
|
|
static usbd_desc_t *get_device_serial_string(void)
|
|
{
|
|
get_serial_num();
|
|
return &serial_descriptor;
|
|
}
|
|
|
|
/**
|
|
* @brief get interface descriptor
|
|
* @param none
|
|
* @retval usbd_desc
|
|
*/
|
|
static usbd_desc_t *get_device_interface_string(void)
|
|
{
|
|
vp_desc.length = usbd_unicode_convert((uint8_t *)USBD_AUDIO_DESC_INTERFACE_STRING, g_usbd_desc_buffer);
|
|
vp_desc.descriptor = g_usbd_desc_buffer;
|
|
return &vp_desc;
|
|
}
|
|
|
|
/**
|
|
* @brief get device config descriptor
|
|
* @param none
|
|
* @retval usbd_desc
|
|
*/
|
|
static usbd_desc_t *get_device_config_string(void)
|
|
{
|
|
vp_desc.length = usbd_unicode_convert((uint8_t *)USBD_AUDIO_DESC_CONFIGURATION_STRING, g_usbd_desc_buffer);
|
|
vp_desc.descriptor = g_usbd_desc_buffer;
|
|
return &vp_desc;
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|