376 lines
9.5 KiB
C
376 lines
9.5 KiB
C
/**
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******************************************************************************
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* @file usbd_desc.c
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* @author MCD Application Team
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* @version V1.2.0
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* @date 09-November-2015
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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 2015 STMicroelectronics</center></h2>
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*
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* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
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* You may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.st.com/software_license_agreement_liberty_v2
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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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_req.h"
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#include "usbd_conf.h"
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#include "usb_regs.h"
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/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
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* @{
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*/
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/** @defgroup USBD_DESC
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* @brief USBD descriptors module
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* @{
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*/
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/** @defgroup USBD_DESC_Private_TypesDefinitions
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* @{
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*/
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/**
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* @}
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*/
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/** @defgroup USBD_DESC_Private_Defines
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* @{
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*/
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#define USBD_VID 0x0483
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#define USBD_PID 0x5740
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/** @defgroup USB_String_Descriptors
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* @{
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*/
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#define USBD_LANGID_STRING 0x409
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#define USBD_MANUFACTURER_STRING "STMicroelectronics"
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#define USBD_PRODUCT_HS_STRING "STM32F429 Virtual COM"
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#define USBD_PRODUCT_FS_STRING "STM32F429 Virtual COM"
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#define USBD_CONFIGURATION_HS_STRING "VCP Config"
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#define USBD_INTERFACE_HS_STRING "VCP Interface"
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#define USBD_CONFIGURATION_FS_STRING "VCP Config"
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#define USBD_INTERFACE_FS_STRING "VCP Interface"
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/**
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* @}
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*/
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/** @defgroup USBD_DESC_Private_Macros
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* @{
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*/
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/**
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* @}
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*/
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/** @defgroup USBD_DESC_Private_Variables
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* @{
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*/
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USBD_DEVICE USR_desc =
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{
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USBD_USR_DeviceDescriptor,
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USBD_USR_LangIDStrDescriptor,
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USBD_USR_ManufacturerStrDescriptor,
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USBD_USR_ProductStrDescriptor,
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USBD_USR_SerialStrDescriptor,
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USBD_USR_ConfigStrDescriptor,
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USBD_USR_InterfaceStrDescriptor,
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};
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#ifdef USB_OTG_HS_INTERNAL_DMA_ENABLED
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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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#endif /* USB_OTG_HS_INTERNAL_DMA_ENABLED */
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/* USB Standard Device Descriptor */
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__ALIGN_BEGIN uint8_t USBD_DeviceDesc[USB_SIZ_DEVICE_DESC] __ALIGN_END =
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{
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0x12, /*bLength */
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USB_DEVICE_DESCRIPTOR_TYPE, /*bDescriptorType*/
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0x00, /*bcdUSB */
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0x02,
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0x02, /*bDeviceClass*/
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0x00, /*bDeviceSubClass*/
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0x00, /*bDeviceProtocol*/
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USB_OTG_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), /*idVendor*/
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HIBYTE(USBD_PID), /*idVendor*/
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0x00, /*bcdDevice rel. 2.00*/
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0x02,
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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_CFG_MAX_NUM /*bNumConfigurations*/
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} ; /* USB_DeviceDescriptor */
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#ifdef USB_OTG_HS_INTERNAL_DMA_ENABLED
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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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#endif /* USB_OTG_HS_INTERNAL_DMA_ENABLED */
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/* USB Standard Device Descriptor */
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__ALIGN_BEGIN uint8_t USBD_DeviceQualifierDesc[USB_LEN_DEV_QUALIFIER_DESC] __ALIGN_END =
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{
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USB_LEN_DEV_QUALIFIER_DESC,
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USB_DESC_TYPE_DEVICE_QUALIFIER,
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0x00,
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0x02,
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0x00,
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0x00,
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0x00,
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0x40,
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0x01,
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0x00,
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};
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#ifdef USB_OTG_HS_INTERNAL_DMA_ENABLED
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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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#endif /* USB_OTG_HS_INTERNAL_DMA_ENABLED */
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/* USB Standard Device Descriptor */
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__ALIGN_BEGIN uint8_t USBD_LangIDDesc[USB_SIZ_STRING_LANGID] __ALIGN_END =
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{
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USB_SIZ_STRING_LANGID,
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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_StringSerial[USB_SIZ_STRING_SERIAL] =
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{
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USB_SIZ_STRING_SERIAL,
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USB_DESC_TYPE_STRING,
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};
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#ifdef USB_OTG_HS_INTERNAL_DMA_ENABLED
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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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#endif /* USB_OTG_HS_INTERNAL_DMA_ENABLED */
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__ALIGN_BEGIN uint8_t USBD_StrDesc[USB_MAX_STR_DESC_SIZ] __ALIGN_END ;
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/**
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* @}
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*/
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/** @defgroup USBD_DESC_Private_FunctionPrototypes
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* @{
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*/
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static void IntToUnicode (uint32_t value , uint8_t *pbuf , uint8_t len);
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static void Get_SerialNum(void);
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/**
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* @}
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*/
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/** @defgroup USBD_DESC_Private_Functions
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* @{
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*/
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/**
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* @brief USBD_USR_DeviceDescriptor
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* return 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_USR_DeviceDescriptor( uint8_t 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 USBD_USR_LangIDStrDescriptor
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* return 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_USR_LangIDStrDescriptor( uint8_t 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 USBD_USR_ProductStrDescriptor
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* return 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_USR_ProductStrDescriptor( uint8_t speed , uint16_t *length)
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{
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if(speed == 0)
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{
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USBD_GetString((uint8_t *)(uint8_t *)USBD_PRODUCT_HS_STRING, USBD_StrDesc, length);
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}
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else
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{
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USBD_GetString((uint8_t *)(uint8_t *)USBD_PRODUCT_FS_STRING, USBD_StrDesc, length);
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}
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return USBD_StrDesc;
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}
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/**
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* @brief USBD_USR_ManufacturerStrDescriptor
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* return 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_USR_ManufacturerStrDescriptor( uint8_t speed , uint16_t *length)
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{
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USBD_GetString((uint8_t *)(uint8_t *)USBD_MANUFACTURER_STRING, USBD_StrDesc, length);
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return USBD_StrDesc;
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}
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/**
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* @brief USBD_USR_SerialStrDescriptor
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* return 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_USR_SerialStrDescriptor( uint8_t speed , uint16_t *length)
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{
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*length = USB_SIZ_STRING_SERIAL;
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/* Update the serial number string descriptor with the data from the unique ID*/
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Get_SerialNum();
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return (uint8_t*)USBD_StringSerial;
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}
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/**
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* @brief USBD_USR_ConfigStrDescriptor
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* return the configuration 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_USR_ConfigStrDescriptor( uint8_t speed , uint16_t *length)
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{
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if(speed == USB_OTG_SPEED_HIGH)
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{
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USBD_GetString((uint8_t *)(uint8_t *)USBD_CONFIGURATION_HS_STRING, USBD_StrDesc, length);
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}
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else
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{
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USBD_GetString((uint8_t *)(uint8_t *)USBD_CONFIGURATION_FS_STRING, USBD_StrDesc, length);
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}
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return USBD_StrDesc;
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}
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/**
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* @brief USBD_USR_InterfaceStrDescriptor
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* return the interface 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_USR_InterfaceStrDescriptor( uint8_t speed , uint16_t *length)
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{
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if(speed == 0)
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{
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USBD_GetString((uint8_t *)(uint8_t *)USBD_INTERFACE_HS_STRING, USBD_StrDesc, length);
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}
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else
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{
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USBD_GetString((uint8_t *)(uint8_t *)USBD_INTERFACE_FS_STRING, USBD_StrDesc, length);
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}
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return USBD_StrDesc;
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}
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/**
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* @brief Create the serial number string descriptor
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* @param None
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* @retval None
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*/
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static void Get_SerialNum(void)
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{
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uint32_t deviceserial0, deviceserial1, deviceserial2;
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deviceserial0 = *(uint32_t*)DEVICE_ID1;
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deviceserial1 = *(uint32_t*)DEVICE_ID2;
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deviceserial2 = *(uint32_t*)DEVICE_ID3;
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deviceserial0 += deviceserial2;
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if (deviceserial0 != 0)
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{
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IntToUnicode (deviceserial0, &USBD_StringSerial[2] ,8);
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IntToUnicode (deviceserial1, &USBD_StringSerial[18] ,4);
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}
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}
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/**
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* @brief Convert Hex 32Bits value into char
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* @param value: value to convert
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* @param pbuf: pointer to the buffer
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* @param len: buffer length
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* @retval None
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*/
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static void IntToUnicode (uint32_t value , uint8_t *pbuf , uint8_t len)
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{
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uint8_t idx = 0;
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for( idx = 0 ; idx < len ; idx ++)
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{
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if( ((value >> 28)) < 0xA )
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{
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pbuf[ 2* idx] = (value >> 28) + '0';
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}
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else
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{
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pbuf[2* idx] = (value >> 28) + 'A' - 10;
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}
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value = value << 4;
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pbuf[ 2* idx + 1] = 0;
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}
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}
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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