153 lines
4.8 KiB
C
153 lines
4.8 KiB
C
/** @mainpage msc_ram_demo_init
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* <table>
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* <tr><th>Project <td>msc_ram_demo
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* <tr><th>Author <td>LiGuo 1570139720@qq.com
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* </table>
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* @section msc ram init demo
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*
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*
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* @section 版本更新历史
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*
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* 版本|作者|时间|描述
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* ----|----|----|----
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* 1.0|LiGuo|2021.11.19|creat project
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*
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* <h2><center>© Copyright 2021 LiGuo.
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* All rights reserved.</center></h2>
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*********************************************************************************
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*/
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/* include ------------------------------------------------------------------*/
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#include "main.h"
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#include "usb_def.h"
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#include "usbd_core.h"
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#include "usbd_msc.h"
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#define MSC_IN_EP 0x81
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#define MSC_OUT_EP 0x01
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#define USBD_VID 0xFFFF
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#define USBD_PID 0xFFFF
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#define USBD_MAX_POWER 100
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#define USBD_LANGID_STRING 1033
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#define USB_CONFIG_SIZE (9 + MSC_DESCRIPTOR_LEN)
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const uint8_t msc_ram_descriptor[] = {
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USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0x00, 0x00, 0x00, USBD_VID, USBD_PID, 0x0200, 0x01),
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USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x01, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
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MSC_DESCRIPTOR_INIT(0x00, MSC_OUT_EP, MSC_IN_EP, 0x02),
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///////////////////////////////////////
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/// string0 descriptor
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///////////////////////////////////////
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USB_LANGID_INIT(USBD_LANGID_STRING),
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///////////////////////////////////////
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/// string1 descriptor
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///////////////////////////////////////
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0x12, /* bLength */
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USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
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'B', 0x00, /* wcChar0 */
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'o', 0x00, /* wcChar1 */
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'u', 0x00, /* wcChar2 */
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'f', 0x00, /* wcChar3 */
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'f', 0x00, /* wcChar4 */
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'a', 0x00, /* wcChar5 */
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'l', 0x00, /* wcChar6 */
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'o', 0x00, /* wcChar7 */
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///////////////////////////////////////
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/// string2 descriptor
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///////////////////////////////////////
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0x24, /* bLength */
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USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
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'B', 0x00, /* wcChar0 */
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'o', 0x00, /* wcChar1 */
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'u', 0x00, /* wcChar2 */
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'f', 0x00, /* wcChar3 */
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'f', 0x00, /* wcChar4 */
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'a', 0x00, /* wcChar5 */
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'l', 0x00, /* wcChar6 */
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'o', 0x00, /* wcChar7 */
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' ', 0x00, /* wcChar8 */
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'M', 0x00, /* wcChar9 */
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'S', 0x00, /* wcChar10 */
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'C', 0x00, /* wcChar11 */
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' ', 0x00, /* wcChar12 */
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'D', 0x00, /* wcChar13 */
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'E', 0x00, /* wcChar14 */
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'M', 0x00, /* wcChar15 */
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'O', 0x00, /* wcChar16 */
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///////////////////////////////////////
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/// string3 descriptor
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///////////////////////////////////////
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0x16, /* bLength */
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USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
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'2', 0x00, /* wcChar0 */
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'0', 0x00, /* wcChar1 */
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'2', 0x00, /* wcChar2 */
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'1', 0x00, /* wcChar3 */
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'0', 0x00, /* wcChar4 */
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'3', 0x00, /* wcChar5 */
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'1', 0x00, /* wcChar6 */
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'0', 0x00, /* wcChar7 */
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'0', 0x00, /* wcChar8 */
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'0', 0x00, /* wcChar9 */
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#ifdef CONFIG_USB_HS
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///////////////////////////////////////
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/// device qualifier descriptor
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///////////////////////////////////////
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0x0a,
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USB_DESCRIPTOR_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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#endif
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0x00
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};
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#define BLOCK_SIZE 512
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#define BLOCK_COUNT 10
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typedef struct
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{
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uint8_t BlockSpace[BLOCK_SIZE];
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} BLOCK_TYPE;
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BLOCK_TYPE mass_block[BLOCK_COUNT];
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void usbd_msc_get_cap(uint8_t lun, uint32_t *block_num, uint16_t *block_size)
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{
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*block_num = 1000; //Pretend having so many buffer,not has actually.
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*block_size = BLOCK_SIZE;
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}
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int usbd_msc_sector_read(uint32_t sector, uint8_t *buffer, uint32_t length)
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{
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if (sector < 10)
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memcpy(buffer, mass_block[sector].BlockSpace, length);
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return 0;
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}
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int usbd_msc_sector_write(uint32_t sector, uint8_t *buffer, uint32_t length)
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{
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if (sector < 10)
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memcpy(mass_block[sector].BlockSpace, buffer, length);
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return 0;
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}
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/* function ------------------------------------------------------------------*/
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/**
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* @brief msc ram init
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* @pre none
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* @param[in] none
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* @retval none
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*/
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void msc_ram_init(void)
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{
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usbd_desc_register(msc_ram_descriptor);
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usbd_msc_class_init(MSC_OUT_EP, MSC_IN_EP);
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}
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