198 lines
7.5 KiB
C
198 lines
7.5 KiB
C
/**
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******************************************************************************
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* @file USB_Device/HID_Standalone/Src/usbd_desc.c
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* @author MCD Application Team
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* @brief This file provides the USBD descriptors and string formating method.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2017 STMicroelectronics International N.V.
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* All rights reserved.</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted, provided that the following conditions are met:
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*
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* 1. Redistribution of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of other
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* contributors to this software may be used to endorse or promote products
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* derived from this software without specific written permission.
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* 4. This software, including modifications and/or derivative works of this
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* software, must execute solely and exclusively on microcontroller or
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* microprocessor devices manufactured by or for STMicroelectronics.
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* 5. Redistribution and use of this software other than as permitted under
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* this license is void and will automatically terminate your rights under
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* this license.
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*
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* THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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* PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
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* RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
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* SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "usbd_core.h"
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#include "usbd_desc.h"
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#include "usbd_conf.h"
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#include APP_CONFIG
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#define USBD_VID 0x0483
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#define USBD_PID 0xA2CA
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#define USBD_LANGID_STRING 0x409
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#define USBD_MANUFACTURER_STRING "SoloKeys"
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#define USBD_PRODUCT_FS_STRING SOLO_PRODUCT_NAME
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#define USBD_SERIAL_NUM "0123456789ABCDEF"
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uint8_t *USBD_HID_DeviceDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
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uint8_t *USBD_HID_LangIDStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
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uint8_t *USBD_HID_ManufacturerStrDescriptor (USBD_SpeedTypeDef speed, uint16_t *length);
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uint8_t *USBD_HID_ProductStrDescriptor (USBD_SpeedTypeDef speed, uint16_t *length);
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uint8_t *USBD_HID_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
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#ifdef USB_SUPPORT_USER_STRING_DESC
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uint8_t *USBD_HID_USRStringDesc (USBD_SpeedTypeDef speed, uint8_t idx, uint16_t *length);
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#endif
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USBD_DescriptorsTypeDef Solo_Desc = {
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USBD_HID_DeviceDescriptor,
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USBD_HID_LangIDStrDescriptor,
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USBD_HID_ManufacturerStrDescriptor,
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USBD_HID_ProductStrDescriptor,
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USBD_HID_SerialStrDescriptor,
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};
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/* USB Standard Device Descriptor */
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const uint8_t USBD_DeviceDesc[USB_LEN_DEV_DESC]= {
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0x12, /* bLength */
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USB_DESC_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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LOBYTE(USBD_VID), /* idVendor */
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HIBYTE(USBD_VID), /* idVendor */
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LOBYTE(USBD_PID), /* idProduct */
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HIBYTE(USBD_PID), /* idProduct */
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// should put SOLO_VERSION_MAJ/MIN here too, but binary coded decimal
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0x00, /* bcdDevice version */
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0x01,
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USBD_IDX_MFC_STR, /* Index of manufacturer string */
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USBD_IDX_PRODUCT_STR, /* Index of product string */
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USBD_IDX_SERIAL_STR, /* Index of serial number string */
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USBD_MAX_NUM_CONFIGURATION /* bNumConfigurations */
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}; /* USB_DeviceDescriptor */
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/* USB Standard Device Descriptor */
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const uint8_t USBD_LangIDDesc[USB_LEN_LANGID_STR_DESC]=
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{
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USB_LEN_LANGID_STR_DESC,
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USB_DESC_TYPE_STRING,
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LOBYTE(USBD_LANGID_STRING),
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HIBYTE(USBD_LANGID_STRING),
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};
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uint8_t USBD_StrDesc[48];
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/**
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* @brief Returns the device descriptor.
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* @param speed: Current device speed
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* @param length: Pointer to data length variable
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* @retval Pointer to descriptor buffer
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*/
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uint8_t *USBD_HID_DeviceDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
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{
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*length = sizeof(USBD_DeviceDesc);
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return (uint8_t*)USBD_DeviceDesc;
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}
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/**
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* @brief Returns the LangID string descriptor.
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* @param speed: Current device speed
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* @param length: Pointer to data length variable
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* @retval Pointer to descriptor buffer
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*/
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uint8_t *USBD_HID_LangIDStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
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{
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*length = sizeof(USBD_LangIDDesc);
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return (uint8_t*)USBD_LangIDDesc;
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}
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/**
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* @brief Returns the product string descriptor.
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* @param speed: Current device speed
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* @param length: Pointer to data length variable
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* @retval Pointer to descriptor buffer
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*/
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uint8_t *USBD_HID_ProductStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
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{
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USBD_GetString((uint8_t *)USBD_PRODUCT_FS_STRING, USBD_StrDesc, sizeof(USBD_StrDesc), length);
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return USBD_StrDesc;
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}
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/**
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* @brief Returns the manufacturer string descriptor.
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* @param speed: Current device speed
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* @param length: Pointer to data length variable
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* @retval Pointer to descriptor buffer
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*/
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uint8_t *USBD_HID_ManufacturerStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
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{
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USBD_GetString((uint8_t *)USBD_MANUFACTURER_STRING, USBD_StrDesc, sizeof(USBD_StrDesc), length);
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return USBD_StrDesc;
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}
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/**
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* @brief Returns the serial number string descriptor.
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* @param speed: Current device speed
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* @param length: Pointer to data length variable
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* @retval Pointer to descriptor buffer
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*/
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uint8_t *USBD_HID_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
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{
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// Match the same alg as the DFU to make serial number
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volatile uint8_t * UUID = (volatile uint8_t *)0x1FFF7590;
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const char hexdigit[] = "0123456789ABCDEF";
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uint8_t uuid[6];
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uint8_t uuid_str[13];
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uint8_t c;
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int i;
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uuid_str[12] = 0;
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uuid[0] = UUID[11];
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uuid[1] = UUID[10] + UUID[2];
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uuid[2] = UUID[9];
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uuid[3] = UUID[8] + UUID[0];
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uuid[4] = UUID[7];
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uuid[5] = UUID[6];
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// quick method to convert to hex string
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for (i = 0; i < 6; i++)
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{
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c = (uuid[i]>>4) & 0x0f;
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uuid_str[i * 2 + 0] = hexdigit[ c ];
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c = (uuid[i]>>0) & 0x0f;
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uuid_str[i * 2 + 1] = hexdigit[ c ];
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}
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USBD_GetString((uint8_t *)uuid_str, USBD_StrDesc, sizeof(USBD_StrDesc), length);
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return USBD_StrDesc;
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}
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