/**
******************************************************************************
* @file usbd_desc_template.c
* @author MCD Application Team
* @brief This file provides the USBD descriptors and string formatting method.
* This template should be copied to the user folder,
* renamed and customized following user needs.
******************************************************************************
* @attention
*
* Copyright (c) 2015 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "usbd_core.h"
#include "usbd_desc.h"
#include "usbd_conf.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#define USBD_VID 1155
#define USBD_PID 22314 /* Replace '0xaaaa' with your device product ID */
#define USBD_LANGID_STRING 1033 /* Replace '0xbbb' with your device language ID */
#define USBD_MANUFACTURER_STRING "STMicroelectronics" /* Add your manufacturer string */
#define USBD_PRODUCT_HS_STRING "STM32 Mass Storage" /* Add your product High Speed string */
#define USBD_PRODUCT_FS_STRING "STM32 Mass Storage" /* Add your product Full Speed string */
#define USBD_CONFIGURATION_HS_STRING "MSC Config" /* Add your configuration High Speed string */
#define USBD_INTERFACE_HS_STRING "MSC Interface" /* Add your Interface High Speed string */
#define USBD_CONFIGURATION_FS_STRING "MSC Config" /* Add your configuration Full Speed string */
#define USBD_INTERFACE_FS_STRING "MSC Interface" /* Add your Interface Full Speed string */
/* Private macro -------------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
uint8_t *USBD_Class_DeviceDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
uint8_t *USBD_Class_LangIDStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
uint8_t *USBD_Class_ManufacturerStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
uint8_t *USBD_Class_ProductStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
uint8_t *USBD_Class_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
uint8_t *USBD_Class_ConfigStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
uint8_t *USBD_Class_InterfaceStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
#if (USBD_CLASS_USER_STRING_DESC == 1)
uint8_t *USBD_Class_UserStrDescriptor(USBD_SpeedTypeDef speed, uint8_t idx, uint16_t *length);
#endif /* USB_CLASS_USER_STRING_DESC */
#if ((USBD_LPM_ENABLED == 1) || (USBD_CLASS_BOS_ENABLED == 1))
uint8_t *USBD_USR_BOSDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
#endif /* (USBD_LPM_ENABLED == 1) || (USBD_CLASS_BOS_ENABLED == 1) */
/* Private variables ---------------------------------------------------------*/
USBD_DescriptorsTypeDef USBD_MSC_Desc =
{
USBD_Class_DeviceDescriptor,
USBD_Class_LangIDStrDescriptor,
USBD_Class_ManufacturerStrDescriptor,
USBD_Class_ProductStrDescriptor,
USBD_Class_SerialStrDescriptor,
USBD_Class_ConfigStrDescriptor,
USBD_Class_InterfaceStrDescriptor,
#if (USBD_CLASS_USER_STRING_DESC == 1)
USBD_CLASS_UserStrDescriptor,
#endif /* USB_CLASS_USER_STRING_DESC */
#if ((USBD_LPM_ENABLED == 1) || (USBD_CLASS_BOS_ENABLED == 1))
USBD_USR_BOSDescriptor,
#endif /* (USBD_LPM_ENABLED == 1) || (USBD_CLASS_BOS_ENABLED == 1) */
};
/* USB Standard Device Descriptor */
#if defined ( __ICCARM__ ) /*!< IAR Compiler */
#pragma data_alignment=4
#endif /* __ICCARM__ */
__ALIGN_BEGIN uint8_t USBD_DeviceDesc[USB_LEN_DEV_DESC] __ALIGN_END =
{
0x12, /* bLength */
USB_DESC_TYPE_DEVICE, /* bDescriptorType */
#if ((USBD_LPM_ENABLED == 1) || (USBD_CLASS_BOS_ENABLED == 1))
0x01, /*bcdUSB */ /* changed to USB version 2.01
in order to support BOS Desc */
#else
0x00, /* bcdUSB */
#endif /* (USBD_LPM_ENABLED == 1) || (USBD_CLASS_BOS_ENABLED == 1) */
0x02,
0x00, /* bDeviceClass */
0x00, /* bDeviceSubClass */
0x00, /* bDeviceProtocol */
USB_MAX_EP0_SIZE, /* bMaxPacketSize */
LOBYTE(USBD_VID), /* idVendor */
HIBYTE(USBD_VID), /* idVendor */
LOBYTE(USBD_PID), /* idVendor */
HIBYTE(USBD_PID), /* idVendor */
0x00, /* bcdDevice rel. 2.00 */
0x02,
USBD_IDX_MFC_STR, /* Index of manufacturer string */
USBD_IDX_PRODUCT_STR, /* Index of product string */
USBD_IDX_SERIAL_STR, /* Index of serial number string */
USBD_MAX_NUM_CONFIGURATION /* bNumConfigurations */
}; /* USB_DeviceDescriptor */
/* USB Device LPM BOS descriptor */
#if (USBD_LPM_ENABLED == 1)
#if defined ( __ICCARM__ ) /*!< IAR Compiler */
#pragma data_alignment=4
#endif /* __ICCARM__ */
__ALIGN_BEGIN uint8_t USBD_BOSDesc[USB_SIZ_BOS_DESC] __ALIGN_END =
{
0x5,
USB_DESC_TYPE_BOS,
0xC,
0x0,
0x1, /* 1 device capability */
/* device capability */
0x7,
USB_DEVICE_CAPABITY_TYPE,
0x2,
0x6, /*LPM capability bit set */
0x0,
0x0,
0x0
};
#endif /* USBD_LPM_ENABLED */
/* USB Device Billboard BOS descriptor Template */
#if (USBD_CLASS_BOS_ENABLED == 1)
#if defined ( __ICCARM__ ) /*!< IAR Compiler */
#pragma data_alignment=4
#endif /* __ICCARM__ */
__ALIGN_BEGIN uint8_t USBD_BOSDesc[USB_SIZ_BOS_DESC] __ALIGN_END =
{
0x05, /* bLength */
USB_DESC_TYPE_BOS, /* Device Descriptor Type */
USB_SIZ_BOS_DESC, /* Total length of BOS descriptor and all of its sub descs */
0x00,
0x04, /* The number of separate device capability descriptors in the BOS */
/* ----------- Device Capability Descriptor: CONTAINER_ID ---------- */
0x14, /* bLength */
0x10, /* bDescriptorType: DEVICE CAPABILITY Type */
0x04, /* bDevCapabilityType: CONTAINER_ID */
0x00, /* bReserved */
0xa7, 0xd6, 0x1b, 0xfa, /* ContainerID: This is a Unique 128-bit number GUID */
0x91, 0xa6, 0xa8, 0x4e,
0xa8, 0x21, 0x9f, 0x2b,
0xaf, 0xf7, 0x94, 0xd4,
/* ----------- Device Capability Descriptor: BillBoard ---------- */
0x34, /* bLength */
0x10, /* bDescriptorType: DEVICE CAPABILITY Type */
0x0D, /* bDevCapabilityType: BILLBOARD_CAPABILITY */
USBD_BB_URL_STRING_INDEX, /* iAddtionalInfoURL: Index of string descriptor providing a URL where the user
can go to get more detailed information about the product and the various
Alternate Modes it supports */
0x02, /* bNumberOfAlternateModes: Number of Alternate modes supported. The
maximum value that this field can be set to is MAX_NUM_ALT_MODE. */
0x00, /* bPreferredAlternateMode: Index of the preferred Alternate Mode. System
software may use this information to provide the user with a better
user experience. */
0x00, 0x00, /* VCONN Power needed by the adapter for full functionality 000b = 1W */
0x01, 0x00, 0x00, 0x00, /* bmConfigured. 01b: Alternate Mode configuration not attempted or exited */
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x21, 0x01, /* bcdVersion = 0x0121 */
0x00, /* bAdditionalFailureInfo */
0x00, /* bReserved */
LOBYTE(USBD_VID),
HIBYTE(USBD_VID), /* wSVID[0]: Standard or Vendor ID. This shall match one of the SVIDs
returned in response to a USB PD Discover SVIDs command */
0x00, /* bAlternateMode[0] Index of the Alternate Mode within the SVID as
returned in response to a Discover Modes command. Example:
0 first Mode entry
1 second mode entry */
USBD_BB_ALTMODE0_STRING_INDEX, /* iAlternateModeString[0]: Index of string descriptor describing protocol.
It is optional to support this string. */
LOBYTE(USBD_VID),
HIBYTE(USBD_VID), /* wSVID[1]: Standard or Vendor ID. This shall match one of the SVIDs
returned in response to a USB PD Discover SVIDs command */
0x01, /* bAlternateMode[1] Index of the Alternate Mode within the SVID as
returned in response to a Discover Modes command. Example:
0 first Mode entry
1 second Mode entry */
USBD_BB_ALTMODE1_STRING_INDEX, /* iAlternateModeString[1]: Index of string descriptor describing protocol.
It is optional to support this string. */
/* Alternate Mode Desc */
/* ----------- Device Capability Descriptor: BillBoard Alternate Mode Desc ---------- */
0x08, /* bLength */
0x10, /* bDescriptorType: Device Descriptor Type */
0x0F, /* bDevCapabilityType: BILLBOARD ALTERNATE MODE CAPABILITY */
0x00, /* bIndex: Index of Alternate Mode described in the Billboard Capability Desc */
0x10, 0x00, 0x00, 0x00, /* dwAlternateModeVdo: contents of the Mode VDO for the alternate mode
identified by bIndex */
0x08, /* bLength */
0x10, /* bDescriptorType: Device Descriptor Type */
0x0F, /* bDevCapabilityType: BILLBOARD ALTERNATE MODE CAPABILITY */
0x01, /* bIndex: Index of Alternate Mode described in the Billboard Capability Desc */
0x20, 0x00, 0x00, 0x00, /* dwAlternateModeVdo: contents of the Mode VDO for the alternate mode
identified by bIndex */
};
#endif /* USBD_CLASS_BOS_ENABLED */
/* USB Standard Device Descriptor */
#if defined ( __ICCARM__ ) /*!< IAR Compiler */
#pragma data_alignment=4
#endif /* __ICCARM__ */
__ALIGN_BEGIN uint8_t USBD_LangIDDesc[USB_LEN_LANGID_STR_DESC] __ALIGN_END =
{
USB_LEN_LANGID_STR_DESC,
USB_DESC_TYPE_STRING,
LOBYTE(USBD_LANGID_STRING),
HIBYTE(USBD_LANGID_STRING),
};
#if defined ( __ICCARM__ ) /*!< IAR Compiler */
#pragma data_alignment=4
#endif /* __ICCARM__ */
__ALIGN_BEGIN uint8_t USBD_StringSerial[USB_SIZ_STRING_SERIAL] =
{
USB_SIZ_STRING_SERIAL,
USB_DESC_TYPE_STRING,
};
#if defined ( __ICCARM__ ) /*!< IAR Compiler */
#pragma data_alignment=4
#endif /* __ICCARM__ */
__ALIGN_BEGIN uint8_t USBD_StrDesc[USBD_MAX_STR_DESC_SIZ] __ALIGN_END;
/* Private functions ---------------------------------------------------------*/
static void IntToUnicode(uint32_t value, uint8_t *pbuf, uint8_t len);
static void Get_SerialNum(void);
/**
* @brief Returns the device descriptor.
* @param speed: Current device speed
* @param length: Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
uint8_t *USBD_Class_DeviceDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
UNUSED(speed);
*length = sizeof(USBD_DeviceDesc);
return (uint8_t *)USBD_DeviceDesc;
}
/**
* @brief Returns the LangID string descriptor.
* @param speed: Current device speed
* @param length: Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
uint8_t *USBD_Class_LangIDStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
UNUSED(speed);
*length = sizeof(USBD_LangIDDesc);
return (uint8_t *)USBD_LangIDDesc;
}
/**
* @brief Returns the product string descriptor.
* @param speed: Current device speed
* @param length: Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
uint8_t *USBD_Class_ProductStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
if (speed == USBD_SPEED_HIGH)
{
USBD_GetString((uint8_t *)USBD_PRODUCT_HS_STRING, USBD_StrDesc, length);
}
else
{
USBD_GetString((uint8_t *)USBD_PRODUCT_FS_STRING, USBD_StrDesc, length);
}
return USBD_StrDesc;
}
/**
* @brief Returns the manufacturer string descriptor.
* @param speed: Current device speed
* @param length: Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
uint8_t *USBD_Class_ManufacturerStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
UNUSED(speed);
USBD_GetString((uint8_t *)USBD_MANUFACTURER_STRING, USBD_StrDesc, length);
return USBD_StrDesc;
}
/**
* @brief Returns the serial number string descriptor.
* @param speed: Current device speed
* @param length: Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
uint8_t *USBD_Class_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
UNUSED(speed);
*length = USB_SIZ_STRING_SERIAL;
/* Update the serial number string descriptor with the data from the unique ID*/
Get_SerialNum();
return (uint8_t *)USBD_StringSerial;
}
/**
* @brief Returns the configuration string descriptor.
* @param speed: Current device speed
* @param length: Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
uint8_t *USBD_Class_ConfigStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
if (speed == USBD_SPEED_HIGH)
{
USBD_GetString((uint8_t *)USBD_CONFIGURATION_HS_STRING, USBD_StrDesc, length);
}
else
{
USBD_GetString((uint8_t *)USBD_CONFIGURATION_FS_STRING, USBD_StrDesc, length);
}
return USBD_StrDesc;
}
/**
* @brief Returns the interface string descriptor.
* @param speed: Current device speed
* @param length: Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
uint8_t *USBD_Class_InterfaceStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
if (speed == USBD_SPEED_HIGH)
{
USBD_GetString((uint8_t *)USBD_INTERFACE_HS_STRING, USBD_StrDesc, length);
}
else
{
USBD_GetString((uint8_t *)USBD_INTERFACE_FS_STRING, USBD_StrDesc, length);
}
return USBD_StrDesc;
}
/**
* @brief Create the serial number string descriptor
* @param None
* @retval None
*/
static void Get_SerialNum(void)
{
uint32_t deviceserial0, deviceserial1, deviceserial2;
deviceserial0 = *(uint32_t *)DEVICE_ID1;
deviceserial1 = *(uint32_t *)DEVICE_ID2;
deviceserial2 = *(uint32_t *)DEVICE_ID3;
deviceserial0 += deviceserial2;
if (deviceserial0 != 0U)
{
IntToUnicode(deviceserial0, &USBD_StringSerial[2], 8U);
IntToUnicode(deviceserial1, &USBD_StringSerial[18], 4U);
}
}
#if ((USBD_LPM_ENABLED == 1) || (USBD_CLASS_BOS_ENABLED == 1))
/**
* @brief USBD_USR_BOSDescriptor
* return the BOS descriptor
* @param speed : current device speed
* @param length : pointer to data length variable
* @retval pointer to descriptor buffer
*/
uint8_t *USBD_USR_BOSDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
*length = sizeof(USBD_BOSDesc);
return (uint8_t *)USBD_BOSDesc;
}
#endif /* (USBD_LPM_ENABLED == 1) || (USBD_CLASS_BOS_ENABLED == 1) */
#if (USBD_CLASS_USER_STRING_DESC == 1)
/**
* @brief Returns the Class User string descriptor.
* @param speed: Current device speed
* @param idx: index of string descriptor
* @param length: Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
uint8_t *USBD_Class_UserStrDescriptor(USBD_SpeedTypeDef speed, uint8_t idx, uint16_t *length)
{
static uint8_t USBD_StrDesc[255];
return USBD_StrDesc;
}
#endif /* USBD_CLASS_USER_STRING_DESC */
/**
* @brief Convert Hex 32Bits value into char
* @param value: value to convert
* @param pbuf: pointer to the buffer
* @param len: buffer length
* @retval None
*/
static void IntToUnicode(uint32_t value, uint8_t *pbuf, uint8_t len)
{
uint8_t idx = 0U;
for (idx = 0U ; idx < len ; idx ++)
{
if (((value >> 28)) < 0xAU)
{
pbuf[ 2U * idx] = (value >> 28) + '0';
}
else
{
pbuf[2U * idx] = (value >> 28) + 'A' - 10U;
}
value = value << 4;
pbuf[2U * idx + 1] = 0U;
}
}