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-rw-r--r--examples/device/src/msc_device_ramdisk.c236
1 files changed, 0 insertions, 236 deletions
diff --git a/examples/device/src/msc_device_ramdisk.c b/examples/device/src/msc_device_ramdisk.c
deleted file mode 100644
index 37ea923b3..000000000
--- a/examples/device/src/msc_device_ramdisk.c
+++ /dev/null
@@ -1,236 +0,0 @@
-/**************************************************************************/
-/*!
- @file msc_device_ramdisk.c
- @author hathach (tinyusb.org)
-
- @section LICENSE
-
- Software License Agreement (BSD License)
-
- Copyright (c) 2013, hathach (tinyusb.org)
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are met:
- 1. Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
- 2. Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
- 3. Neither the name of the copyright holders nor the
- names of its contributors may be used to endorse or promote products
- derived from this software without specific prior written permission.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
- EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
- DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
- This file is part of the tinyusb stack.
-*/
-/**************************************************************************/
-
-#include "msc_device_app.h"
-
-#if TUSB_CFG_DEVICE_MSC && defined (MSCD_APP_RAMDISK)
-
-//--------------------------------------------------------------------+
-// MACRO CONSTANT TYPEDEF
-//--------------------------------------------------------------------+
-
-//--------------------------------------------------------------------+
-// INTERNAL OBJECT & FUNCTION DECLARATION
-//--------------------------------------------------------------------+
-TUSB_CFG_ATTR_USBRAM
-uint8_t msc_device_ramdisk[DISK_BLOCK_NUM][DISK_BLOCK_SIZE] =
-{
- //------------- Boot Sector -------------//
- // byte_per_sector = DISK_BLOCK_SIZE; fat12_sector_num_16 = DISK_BLOCK_NUM;
- // sector_per_cluster = 1; reserved_sectors = 1;
- // fat_num = 1; fat12_root_entry_num = 16;
- // sector_per_fat = 1; sector_per_track = 1; head_num = 1; hidden_sectors = 0;
- // drive_number = 0x80; media_type = 0xf8; extended_boot_signature = 0x29;
- // filesystem_type = "FAT12 "; volume_serial_number = 0x1234; volume_label = "tinyusb msc";
- [0] =
- {
- 0xEB, 0x3C, 0x90, 0x4D, 0x53, 0x44, 0x4F, 0x53, 0x35, 0x2E, 0x30, 0x00, 0x02, 0x01, 0x01, 0x00,
- 0x01, 0x10, 0x00, 0x10, 0x00, 0xF8, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x29, 0x34, 0x12, 0x00, 0x00, 0x74, 0x69, 0x6E, 0x79, 0x75,
- 0x73, 0x62, 0x20, 0x6D, 0x73, 0x63, 0x46, 0x41, 0x54, 0x31, 0x32, 0x20, 0x20, 0x20, 0x00, 0x00,
- [510] = 0x55, [511] = 0xAA // FAT magic code
- },
-
- //------------- FAT12 Table -------------//
- [1] =
- {
- 0xF8, 0xFF, 0xFF, 0xFF, 0x0F // // first 2 entries must be F8FF, third entry is cluster end of readme file
- },
-
- //------------- Root Directory -------------//
- [2] =
- {
- // first entry is volume label
- 0x54, 0x49, 0x4E, 0x59, 0x55, 0x53, 0x42, 0x20, 0x4D, 0x53, 0x43, 0x08, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4F, 0x6D, 0x65, 0x43, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- // second entry is readme file
- 'R' , 'E' , 'A' , 'D' , 'M' , 'E' , ' ' , ' ' , 'T' , 'X' , 'T' , 0x20, 0x00, 0xC6, 0x52, 0x6D,
- 0x65, 0x43, 0x65, 0x43, 0x00, 0x00, 0x88, 0x6D, 0x65, 0x43, 0x02, 0x00,
- sizeof(README_CONTENTS)-1, 0x00, 0x00, 0x00 // readme's filesize (4 Bytes)
- },
-
- //------------- Readme Content -------------//
- [3] = README_CONTENTS
-};
-
-//--------------------------------------------------------------------+
-// IMPLEMENTATION
-//--------------------------------------------------------------------+
-uint16_t tud_msc_read10_cb (uint8_t coreid, uint8_t lun, void** pp_buffer, uint32_t lba, uint16_t block_count)
-{
- (*pp_buffer) = msc_device_ramdisk[lba];
-
- return min16_of(block_count, DISK_BLOCK_NUM);
-}
-uint16_t tud_msc_write10_cb(uint8_t coreid, uint8_t lun, void** pp_buffer, uint32_t lba, uint16_t block_count)
-{
- (*pp_buffer) = msc_device_ramdisk[lba];
-
- return min16_of(block_count, DISK_BLOCK_NUM);
-}
-
-//--------------------------------------------------------------------+
-// HELPER
-//--------------------------------------------------------------------+
-
-#if 0 // no need to use fat12 helper
-typedef ATTR_PACKED_STRUCT(struct) {
- //------------- common -------------//
- uint8_t jump_code[3] ; ///< Assembly instruction to jump to boot code.
- uint8_t oem_name[8] ; ///< OEM Name in ASCII.
- uint16_t byte_per_sector ; ///< Bytes per sector. Allowed values include 512, 1024, 2048, and 4096.
- uint8_t sector_per_cluster ; ///< Sectors per cluster (data unit). Allowed values are powers of 2, but the cluster size must be 32KB or smaller.
- uint16_t reserved_sectors ; ///< Size in sectors of the reserved area.
- uint8_t fat_num ; ///< Number of FATs. Typically two for redundancy, but according to Microsoft it can be one for some small storage devices.
- uint16_t fat12_root_entry_num ; ///< Maximum number of files in the root directory for FAT12 and FAT16. This is 0 for FAT32 and typically 512 for FAT16.
- uint16_t fat12_sector_num_16 ; ///< 16-bit number of sectors in file system. If the number of sectors is larger than can be represented in this 2-byte value, a 4-byte value exists later in the data structure and this should be 0.
- uint8_t media_type ; ///< 0xf8 should be used for fixed disks and 0xf0 for removable.
- uint16_t sector_per_fat ; ///< 16-bit size in sectors of each FAT for FAT12 and FAT16. For FAT32, this field is 0.
- uint16_t sector_per_track ; ///< Sectors per track of storage device.
- uint16_t head_num ; ///< Number of heads in storage device.
- uint32_t hidden_sectors ; ///< Number of sectors before the start of partition.
- uint32_t sector_num_32 ; ///< 32-bit value of number of sectors in file system. Either this value or the 16-bit value above must be 0.
-
- //------------- FAT32 -------------//
- uint8_t drive_number ; ///< Physical drive number (0x00 for (first) removable media, 0x80 for (first) fixed disk
- uint8_t reserved ;
- uint8_t extended_boot_signature ; ///< should be 0x29
- uint32_t volume_serial_number ; ///< Volume serial number, which some versions of Windows will calculate based on the creation date and time.
- uint8_t volume_label[11] ;
- uint8_t filesystem_type[8] ; ///< File system type label in ASCII, padded with blank (0x20). Standard values include "FAT," "FAT12," and "FAT16," but nothing is required.
- uint8_t reserved2[448] ;
- uint16_t fat_signature ; ///< Signature value (0xAA55).
-}fat12_boot_sector_t;
-
-STATIC_ASSERT(sizeof(fat12_boot_sector_t) == 512, "size is not correct");
-
-typedef ATTR_PACKED_STRUCT(struct) {
- uint8_t name[11];
-
- ATTR_PACKED_STRUCT(struct){
- uint8_t readonly : 1;
- uint8_t hidden : 1;
- uint8_t system : 1;
- uint8_t volume_label : 1;
- uint8_t directory : 1;
- uint8_t archive : 1;
- } attr; // Long File Name = 0x0f
-
- uint8_t reserved;
- uint8_t created_time_tenths_of_seconds;
- uint16_t created_time;
- uint16_t created_date;
- uint16_t accessed_date;
- uint16_t cluster_high;
- uint16_t written_time;
- uint16_t written_date;
- uint16_t cluster_low;
- uint32_t file_size;
-}fat_directory_t;
-
-STATIC_ASSERT(sizeof(fat_directory_t) == 32, "size is not correct");
-
-void fat12_fs_init(uint8_t msc_device_ramdisk[DISK_BLOCK_NUM][DISK_BLOCK_SIZE])
-{
- uint8_t const readme_contents[] =
-"This is tinyusb's MassStorage Class demo.\r\n\r\n\
-If you find any bugs or get any questions, feel free to file an\r\n\
-issue at https://github.com/hathach/tinyusb";
-
- //------------- Boot Sector -------------//
- fat12_boot_sector_t* p_boot_fat = (fat12_boot_sector_t* ) msc_device_ramdisk[0];
- memclr_(p_boot_fat, sizeof(fat12_boot_sector_t));
-
- memcpy(p_boot_fat->jump_code, "\xEB\x3C\x90", 3);
- memcpy(p_boot_fat->oem_name, "MSDOS5.0", 8);
- p_boot_fat->byte_per_sector = DISK_BLOCK_SIZE;
- p_boot_fat->sector_per_cluster = 1;
- p_boot_fat->reserved_sectors = 1;
- p_boot_fat->fat_num = 1;
- p_boot_fat->fat12_root_entry_num = 16;
- p_boot_fat->fat12_sector_num_16 = DISK_BLOCK_NUM;
- p_boot_fat->media_type = 0xf8; // fixed disk
- p_boot_fat->sector_per_fat = 1;
- p_boot_fat->sector_per_track = 1;
- p_boot_fat->head_num = 1;
- p_boot_fat->hidden_sectors = 0;
-
- p_boot_fat->drive_number = 0x80;
- p_boot_fat->extended_boot_signature = 0x29;
- p_boot_fat->volume_serial_number = 0x1234;
- memcpy(p_boot_fat->volume_label , "tinyusb msc", 11);
- memcpy(p_boot_fat->filesystem_type, "FAT12 ", 8);
- p_boot_fat->fat_signature = 0xAA55;
-
- //------------- FAT12 Table (first 2 entries are F8FF, third entry is cluster end of readme file-------------//
- memcpy(msc_device_ramdisk[1], "\xF8\xFF\xFF\xFF\x0F", 5);
-
- //------------- Root Directory -------------//
- fat_directory_t* p_entry = (fat_directory_t*) msc_device_ramdisk[2];
-
- // first entry is volume label
- (*p_entry) = (fat_directory_t)
- {
- .name = "TINYUSB MSC",
- .attr.volume_label = 1,
- };
-
- p_entry += 1; // advance to second entry, second entry is readme file
- (*p_entry) = (fat_directory_t)
- {
- .name = "README TXT",
-
- .created_time = 0x6D52,
- .written_time = 0x6D52,
-
- .created_date = 0x4365,
- .accessed_date = 0x4365,
- .written_date = 0x4365,
-
- .cluster_high = 0,
- .cluster_low = 2,
- .file_size = sizeof(readme_contents)-1 // exculde NULL
- }; // first entry is volume label
-
- //------------- Readme Content -------------//
- memcpy(msc_device_ramdisk[3], readme_contents, sizeof(readme_contents)-1);
-
-}
-#endif
-
-#endif
generated by cgit v1.3.1 (git 2.54.0) at 2026-08-19 20:54:10 +0000