292 lines
8.6 KiB
C
292 lines
8.6 KiB
C
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/**
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******************************************************************************
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* @file USB_Device/MSC_Standalone/Src/usbd_storage.c
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* @author MCD Application Team
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* @version V1.2.0
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* @date 29-December-2017
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* @brief Memory management layer
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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_storage.h"
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#include "sdmmc_sdcard.h"
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#include "w25qxx.h"
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/* Private typedef ----------------------------------------------------------- */
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/* Private define ------------------------------------------------------------ */
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#define STORAGE_LUN_NBR 2
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#define STORAGE_BLK_NBR 0x10000
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#define STORAGE_BLK_SIZ 0x200
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////////////////////////////<2F>Լ<EFBFBD><D4BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>USB״̬<D7B4>ļĴ<C4BC><C4B4><EFBFBD>///////////////////
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//bit0:<3A><>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>SD<53><44>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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//bit1:<3A><>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>SD<53><44><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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//bit2:SD<53><44>д<EFBFBD><D0B4><EFBFBD>ݴ<EFBFBD><DDB4><EFBFBD><EFBFBD><EFBFBD>־λ
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//bit3:SD<53><44><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݴ<EFBFBD><DDB4><EFBFBD><EFBFBD><EFBFBD>־λ
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//bit4:1,<2C><>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѯ<EFBFBD><D1AF><EFBFBD><EFBFBD>(<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӻ<EFBFBD><D3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
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vu8 USB_STATUS_REG=0;
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////////////////////////////////////////////////////////////////////////////////
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/* Private macro ------------------------------------------------------------- */
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/* Private variables --------------------------------------------------------- */
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/* USB Mass storage Standard Inquiry Data */
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int8_t STORAGE_Inquirydata[] = { /* 36 */
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/* LUN 0 */
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0x00,
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0x80,
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0x02,
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0x02,
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(STANDARD_INQUIRY_DATA_LEN - 5),
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0x00,
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0x00,
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0x00,
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/* Vendor Identification */
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'D', 'e', 'v', 'E', 'B', 'o', 'x', ' ', ' ',//9<>ֽ<EFBFBD>
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/* Product Identification */
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'S', 'P', 'I', ' ', 'F', 'l', 'a', 's', 'h',//15<31>ֽ<EFBFBD>
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' ','D', 'i', 's', 'k', ' ',
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/* Product Revision Level */
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'1', '.', '0', ' ', //4<>ֽ<EFBFBD>
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/* LUN 2 */
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0x00,
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0x80,
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0x02,
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0x02,
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(STANDARD_INQUIRY_DATA_LEN - 5),
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0x00,
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0x00,
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0x00,
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/* Vendor Identification */
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'M', 'C', 'U', 'D', 'E', 'V', ' ', ' ',' ', //9<>ֽ<EFBFBD>
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/* Product Identification */
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'S', 'D', ' ', 'F', 'l', 'a', 's', 'h', ' ',//15<31>ֽ<EFBFBD>
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'D', 'i', 's', 'k', ' ', ' ',
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/* Product Revision Level */
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'1', '.', '0' ,' ', //4<>ֽ<EFBFBD>
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};
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/* Private function prototypes ----------------------------------------------- */
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int8_t STORAGE_Init(uint8_t lun);
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int8_t STORAGE_GetCapacity(uint8_t lun, uint32_t * block_num,
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uint16_t * block_size);
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int8_t STORAGE_IsReady(uint8_t lun);
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int8_t STORAGE_IsWriteProtected(uint8_t lun);
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int8_t STORAGE_Read(uint8_t lun, uint8_t * buf, uint32_t blk_addr,
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uint16_t blk_len);
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int8_t STORAGE_Write(uint8_t lun, uint8_t * buf, uint32_t blk_addr,
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uint16_t blk_len);
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int8_t STORAGE_GetMaxLun(void);
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USBD_StorageTypeDef USBD_DISK_fops = {
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STORAGE_Init,
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STORAGE_GetCapacity,
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STORAGE_IsReady,
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STORAGE_IsWriteProtected,
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STORAGE_Read,
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STORAGE_Write,
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STORAGE_GetMaxLun,
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STORAGE_Inquirydata,
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};
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/* Private functions --------------------------------------------------------- */
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/**
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* @brief Initializes the storage unit (medium)
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* @param lun: Logical unit number
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* @retval Status (0 : OK / -1 : Error)
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*/
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int8_t STORAGE_Init(uint8_t lun)
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{
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u8 res=0;
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switch(lun)
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{
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case 0://SPI FLASH
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W25QXX_Init();
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break;
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// case 1://NAND FLASH
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// res=FTL_Init();
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// break;
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case 1://SD<53><44>
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res=SD_Init();
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break;
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}
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return res;
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}
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/**
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* @brief Returns the medium capacity.
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* @param lun: Logical unit number
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* @param block_num: Number of total block number
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* @param block_size: Block size
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* @retval Status (0: OK / -1: Error)
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*/
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int8_t STORAGE_GetCapacity(uint8_t lun, uint32_t * block_num,
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uint16_t * block_size)
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{
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HAL_SD_CardInfoTypeDef info;
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int8_t ret = -1;
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switch(lun)
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{
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case 0://SPI FLASH
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*block_size=512;
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*block_num=1024*1024*8/512; //SPI FLASH<53><48>ǰ<EFBFBD><C7B0>8M<38>ֽ<EFBFBD>,<2C>ļ<EFBFBD>ϵͳ<CFB5><CDB3>
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break;
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// case 1://NAND FLASH
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// *block_size=512;
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// *block_num=nand_dev.valid_blocknum*nand_dev.block_pagenum*nand_dev.page_mainsize/512;
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// break;
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case 1://SD<53><44>
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HAL_SD_GetCardInfo(&SDCARD_Handler,&info);
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*block_num = info.LogBlockNbr - 1;
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*block_size = info.LogBlockSize;
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break;
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}
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return 0;
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}
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/**
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* @brief Checks whether the medium is ready.
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* @param lun: Logical unit number
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* @retval Status (0: OK / -1: Error)
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*/
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int8_t STORAGE_IsReady(uint8_t lun)
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{
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int8_t ret = 0;
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USB_STATUS_REG|=0X10;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѯ
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return ret;
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}
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/**
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* @brief Checks whether the medium is write protected.
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* @param lun: Logical unit number
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* @retval Status (0: write enabled / -1: otherwise)
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*/
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int8_t STORAGE_IsWriteProtected(uint8_t lun)
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{
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return 0;
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}
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/**
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* @brief Reads data from the medium.
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* @param lun: Logical unit number
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* @param blk_addr: Logical block address
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* @param blk_len: Blocks number
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* @retval Status (0: OK / -1: Error)
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*/
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int8_t STORAGE_Read(uint8_t lun, uint8_t * buf, uint32_t blk_addr,
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uint16_t blk_len)
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{
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int8_t res=0;
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USB_STATUS_REG|=0X02;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڶ<EFBFBD><DAB6><EFBFBD><EFBFBD><EFBFBD>
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switch(lun)
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{
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case 0://SPI FLASH
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W25QXX_Read(buf,blk_addr*512,blk_len*512);
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break;
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// case 1://NAND FLASH
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// res=FTL_ReadSectors(buf,blk_addr,512,blk_len);
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// break;
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case 1://SD<53><44>
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res=SD_ReadDisk(buf,blk_addr,blk_len);
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break;
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}
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if(res)
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{
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USB_STATUS_REG|=0X08;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>!
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}
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return res;
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}
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/**
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* @brief Writes data into the medium.
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* @param lun: Logical unit number
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* @param blk_addr: Logical block address
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* @param blk_len: Blocks number
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* @retval Status (0 : OK / -1 : Error)
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*/
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int8_t STORAGE_Write(uint8_t lun, uint8_t * buf, uint32_t blk_addr,
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uint16_t blk_len)
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{
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int8_t res=0;
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USB_STATUS_REG|=0X01;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>
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switch(lun)
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{
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case 0://SPI FLASH
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W25QXX_Write(buf,blk_addr*512,blk_len*512);
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break;
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// case 1://NAND FLASH
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// res=FTL_WriteSectors(buf,blk_addr,512,blk_len);
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// break;
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case 1://SD<53><44>
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res=SD_WriteDisk(buf,blk_addr,blk_len);
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break;
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}
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if(res)
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{
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USB_STATUS_REG|=0X04;//д<><D0B4><EFBFBD><EFBFBD>!
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}
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return res;
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}
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/**
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* @brief Returns the Max Supported LUNs.
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* @param None
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* @retval Lun(s) number
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*/
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int8_t STORAGE_GetMaxLun(void)
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{
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HAL_SD_CardInfoTypeDef info;
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HAL_SD_GetCardInfo(&SDCARD_Handler,&info);
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if(info.LogBlockNbr)return STORAGE_LUN_NBR-1;
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else return STORAGE_LUN_NBR-2;
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}
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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