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@@ -25,136 +25,177 @@
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#include "bsp/board.h"
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#include "tusb.h"
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+#include "flash.h"
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+#include "fsm.h"
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#if CFG_TUD_MSC
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+#define MSC_RO_ORIGIN (0x10180000)
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+#define DISK_BLOCK_NUM 1024
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+#define DISK_BLOCK_SIZE 512
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+
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+#define BLOCKS_PER_SECTOR (SPI_FLASH_SECTOR_SIZE / DISK_BLOCK_SIZE)
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+
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+extern const unsigned char disk0_img[];
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+
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+struct disk_lba {
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+ uint8_t data[DISK_BLOCK_SIZE];
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+};
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+
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+
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+static const uint8_t last_cluster_init_info[4] = { 0xF8, 0xFF, 0xFF, 0xFF };
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+
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+static const uint8_t disk1_mbr[DISK_BLOCK_SIZE] = {
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+ 0xeb, 0x3c, 0x90, 0x6d, 0x6b, 0x66, 0x73, 0x2e, 0x66, 0x61, 0x74, 0x00,
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+ 0x02, 0x04, 0x01, 0x00, 0x02, 0x00, 0x02, 0x00, 0x04, 0xf8, 0x01, 0x00,
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+ 0x10, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x80, 0x00, 0x29, 0x9d, 0x0b, 0x6e, 0xd0, 0x4e, 0x4f, 0x20, 0x4e, 0x41,
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+ 0x4d, 0x45, 0x20, 0x20, 0x20, 0x20, 0x46, 0x41, 0x54, 0x31, 0x32, 0x20,
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+ 0x20, 0x20, 0x0e, 0x1f, 0xbe, 0x5b, 0x7c, 0xac, 0x22, 0xc0, 0x74, 0x0b,
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+ 0x56, 0xb4, 0x0e, 0xbb, 0x07, 0x00, 0xcd, 0x10, 0x5e, 0xeb, 0xf0, 0x32,
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+ 0xe4, 0xcd, 0x16, 0xcd, 0x19, 0xeb, 0xfe, 0x54, 0x68, 0x69, 0x73, 0x20,
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+ 0x69, 0x73, 0x20, 0x6e, 0x6f, 0x74, 0x20, 0x61, 0x20, 0x62, 0x6f, 0x6f,
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+ 0x74, 0x61, 0x62, 0x6c, 0x65, 0x20, 0x64, 0x69, 0x73, 0x6b, 0x2e, 0x20,
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+ 0x20, 0x50, 0x6c, 0x65, 0x61, 0x73, 0x65, 0x20, 0x69, 0x6e, 0x73, 0x65,
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+ 0x72, 0x74, 0x20, 0x61, 0x20, 0x62, 0x6f, 0x6f, 0x74, 0x61, 0x62, 0x6c,
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+ 0x65, 0x20, 0x66, 0x6c, 0x6f, 0x70, 0x70, 0x79, 0x20, 0x61, 0x6e, 0x64,
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+ 0x0d, 0x0a, 0x70, 0x72, 0x65, 0x73, 0x73, 0x20, 0x61, 0x6e, 0x79, 0x20,
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+ 0x6b, 0x65, 0x79, 0x20, 0x74, 0x6f, 0x20, 0x74, 0x72, 0x79, 0x20, 0x61,
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+ 0x67, 0x61, 0x69, 0x6e, 0x20, 0x2e, 0x2e, 0x2e, 0x20, 0x0d, 0x0a, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55, 0xaa
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+};
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+
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+
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// whether host does safe-eject
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static bool ejected = false;
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-// Some MCU doesn't have enough 8KB SRAM to store the whole disk
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-// We will use Flash as read-only disk with board that has
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-// CFG_EXAMPLE_MSC_READONLY defined
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+static struct disk_lba sector_cache[BLOCKS_PER_SECTOR];
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+static int sector_cached = -1;
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-#define README_CONTENTS \
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-"This is the password vault utilities directory.\r\n\r\nWork in progress\r\n"
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+static int sector_cache_load(uint32_t sector)
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+{
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+ int ret;
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+ if (sector * SPI_FLASH_SECTOR_SIZE > DRIVE_FLASH_SIZE) {
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+ sector_cached = -1;
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+ return -1;
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+ }
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+ //ret = flash_decrypt_read_sector(sector, sector_cache[0].data);
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+ ret = flash_read(sector * SPI_FLASH_SECTOR_SIZE + DRIVE_FLASH_OFFSET,
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+ sector_cache[0].data, SPI_FLASH_SECTOR_SIZE);
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+ if (ret < 0) {
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+ sector_cached = -1;
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+ return ret;
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+ }
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+ sector_cached = sector;
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+}
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-enum
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+static void sector_cache_commit(void)
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{
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- DISK_BLOCK_NUM = 16, // 8KB is the smallest size that windows allow to mount
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- DISK_BLOCK_SIZE = 512
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+ int ret;
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+ uint32_t sector = sector_cached;
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+ if (sector * SPI_FLASH_SECTOR_SIZE > DRIVE_FLASH_SIZE)
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+ return;
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+ //flash_encrypt_write_sector(sector, sector_cache[0].data);
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+ flash_write(sector * SPI_FLASH_SECTOR_SIZE + DRIVE_FLASH_OFFSET,
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+ sector_cache[0].data, SPI_FLASH_SECTOR_SIZE);
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+}
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+
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+struct drive {
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+ const uint8_t lun;
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+ const char vid[8];
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+ const char pid[16];
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+ const char rev[4];
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+ const uint32_t n_lba;
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};
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-#ifdef CFG_EXAMPLE_MSC_READONLY
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-const
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-#endif
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-uint8_t msc_disk[DISK_BLOCK_NUM][DISK_BLOCK_SIZE] =
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-{
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- //------------- Block0: Boot Sector -------------//
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- // byte_per_sector = DISK_BLOCK_SIZE; fat12_sector_num_16 = DISK_BLOCK_NUM;
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- // sector_per_cluster = 1; reserved_sectors = 1;
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- // fat_num = 1; fat12_root_entry_num = 16;
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- // sector_per_fat = 1; sector_per_track = 1; head_num = 1; hidden_sectors = 0;
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- // drive_number = 0x80; media_type = 0xf8; extended_boot_signature = 0x29;
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- // filesystem_type = "FAT12 "; volume_serial_number = 0x1234; volume_label = "TinyUSB MSC";
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- // FAT magic code at offset 510-511
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- {
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- 0xEB, 0x3C, 0x90, 0x4D, 0x53, 0x44, 0x4F, 0x53, 0x35, 0x2E, 0x30, 0x00, 0x02, 0x01, 0x01, 0x00,
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- 0x01, 0x10, 0x00, 0x10, 0x00, 0xF8, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
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- 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x29, 0x34, 0x12, 0x00, 0x00, 'V' , 'a' , 'u' , 'l' , 't' ,
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- ' ' , 'T' , 'o' , 'o' , 'l' , 's' , 0x46, 0x41, 0x54, 0x31, 0x32, 0x20, 0x20, 0x20, 0x00, 0x00,
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-
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- // Zero up to 2 last bytes of FAT magic code
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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-
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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-
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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-
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55, 0xAA
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- },
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-
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- //------------- Block1: FAT12 Table -------------//
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- {
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- 0xF8, 0xFF, 0xFF, 0xFF, 0x0F // // first 2 entries must be F8FF, third entry is cluster end of readme file
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- },
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-
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- //------------- Block2: Root Directory -------------//
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- {
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- // first entry is volume label
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- 'V' , 'a' , 'u' , 'l' , 't' , ' ' , 'T' , 'o' , 'o' , 'l' , 's' , 0x08, 0x00, 0x00, 0x00, 0x00,
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- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4F, 0x6D, 0x65, 0x43, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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- // second entry is readme file
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- 'R' , 'E' , 'A' , 'D' , 'M' , 'E' , ' ' , ' ' , 'T' , 'X' , 'T' , 0x20, 0x00, 0xC6, 0x52, 0x6D,
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- 0x65, 0x43, 0x65, 0x43, 0x00, 0x00, 0x88, 0x6D, 0x65, 0x43, 0x02, 0x00,
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- sizeof(README_CONTENTS)-1, 0x00, 0x00, 0x00 // readme's files size (4 Bytes)
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- },
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-
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- //------------- Block3: Readme Content -------------//
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- README_CONTENTS
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+#define N_DRIVES 2
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+
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+static uint8_t drv_active[N_DRIVES] = {1, 1};
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+
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+
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+const char global_vid[8] = "DLX";
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+const char host_pid[16] = "MEP Tools";
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+const char vault_pid[16] = "MEP Vault";
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+const char global_rev[4] = "0.1";
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+
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+static const struct drive Drives[N_DRIVES] = {
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+ { 0, "DLX", "MEP Tools", "0.1", 256},
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+ { 1, "DLX", "MEP Vault", "0.1", 1024}
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};
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+
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+uint8_t tud_msc_get_maxlun_cb(void)
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+{
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+ return 2;
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+}
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+
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// Invoked when received SCSI_CMD_INQUIRY
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// Application fill vendor id, product id and revision with string up to 8, 16, 4 characters respectively
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void tud_msc_inquiry_cb(uint8_t lun, uint8_t vendor_id[8], uint8_t product_id[16], uint8_t product_rev[4])
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{
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- (void) lun;
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|
-
|
|
|
- const char vid[] = "DLX";
|
|
|
- const char pid[] = "Vault tools";
|
|
|
- const char rev[] = "0.1a";
|
|
|
-
|
|
|
- memcpy(vendor_id , vid, strlen(vid));
|
|
|
- memcpy(product_id , pid, strlen(pid));
|
|
|
- memcpy(product_rev, rev, strlen(rev));
|
|
|
+ const struct drive *drv;
|
|
|
+ if (lun >= N_DRIVES) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ drv = &Drives[lun];
|
|
|
+ memcpy(vendor_id , drv->vid, strlen(drv->vid));
|
|
|
+ memcpy(product_id , drv->pid, strlen(drv->pid));
|
|
|
+ memcpy(product_rev, drv->rev, strlen(drv->rev));
|
|
|
}
|
|
|
|
|
|
// Invoked when received Test Unit Ready command.
|
|
|
// return true allowing host to read/write this LUN e.g SD card inserted
|
|
|
bool tud_msc_test_unit_ready_cb(uint8_t lun)
|
|
|
{
|
|
|
- (void) lun;
|
|
|
-
|
|
|
- // RAM disk is ready until ejected
|
|
|
- if (ejected) {
|
|
|
- tud_msc_set_sense(lun, SCSI_SENSE_NOT_READY, 0x3a, 0x00);
|
|
|
- return false;
|
|
|
- }
|
|
|
-
|
|
|
- return true;
|
|
|
+ if (lun >= N_DRIVES) {
|
|
|
+ tud_msc_set_sense(lun, SCSI_SENSE_NOT_READY, 0x3a, 0x00);
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ if (drv_active[lun]) {
|
|
|
+ return true;
|
|
|
+ } else {
|
|
|
+ tud_msc_set_sense(lun, SCSI_SENSE_NOT_READY, 0x3a, 0x00);
|
|
|
+ return false;
|
|
|
+ }
|
|
|
}
|
|
|
|
|
|
// Invoked when received SCSI_CMD_READ_CAPACITY_10 and SCSI_CMD_READ_FORMAT_CAPACITY to determine the disk size
|
|
|
// Application update block count and block size
|
|
|
void tud_msc_capacity_cb(uint8_t lun, uint32_t* block_count, uint16_t* block_size)
|
|
|
{
|
|
|
- (void) lun;
|
|
|
-
|
|
|
- *block_count = DISK_BLOCK_NUM;
|
|
|
- *block_size = DISK_BLOCK_SIZE;
|
|
|
+ if (lun >= N_DRIVES) {
|
|
|
+ *block_count = 0;
|
|
|
+ *block_size = DISK_BLOCK_SIZE;
|
|
|
+ } else {
|
|
|
+ *block_count = Drives[lun].n_lba;
|
|
|
+ *block_size = DISK_BLOCK_SIZE;
|
|
|
+ }
|
|
|
}
|
|
|
|
|
|
// Invoked when received Start Stop Unit command
|
|
@@ -162,58 +203,100 @@ void tud_msc_capacity_cb(uint8_t lun, uint32_t* block_count, uint16_t* block_siz
|
|
|
// - Start = 1 : active mode, if load_eject = 1 : load disk storage
|
|
|
bool tud_msc_start_stop_cb(uint8_t lun, uint8_t power_condition, bool start, bool load_eject)
|
|
|
{
|
|
|
- (void) lun;
|
|
|
- (void) power_condition;
|
|
|
-
|
|
|
- if ( load_eject )
|
|
|
- {
|
|
|
- if (start)
|
|
|
- {
|
|
|
- // load disk storage
|
|
|
- }else
|
|
|
- {
|
|
|
- // unload disk storage
|
|
|
- ejected = true;
|
|
|
+ const struct drive *drv;
|
|
|
+ (void) power_condition;
|
|
|
+
|
|
|
+ if (lun < N_DRIVES) {
|
|
|
+ drv = &Drives[lun];
|
|
|
+ if ( load_eject )
|
|
|
+ {
|
|
|
+ if (start)
|
|
|
+ {
|
|
|
+ drv_active[lun] = 1;
|
|
|
+ }else
|
|
|
+ {
|
|
|
+ drv_active[lun] = 0;
|
|
|
+ }
|
|
|
+ }
|
|
|
}
|
|
|
- }
|
|
|
-
|
|
|
- return true;
|
|
|
+ return true;
|
|
|
}
|
|
|
|
|
|
// Callback invoked when received READ10 command.
|
|
|
// Copy disk's data to buffer (up to bufsize) and return number of copied bytes.
|
|
|
int32_t tud_msc_read10_cb(uint8_t lun, uint32_t lba, uint32_t offset, void* buffer, uint32_t bufsize)
|
|
|
{
|
|
|
- (void) lun;
|
|
|
-
|
|
|
- // out of ramdisk
|
|
|
- if ( lba >= DISK_BLOCK_NUM ) return -1;
|
|
|
-
|
|
|
- uint8_t const* addr = msc_disk[lba] + offset;
|
|
|
- memcpy(buffer, addr, bufsize);
|
|
|
|
|
|
- return bufsize;
|
|
|
+ const struct drive *drv;
|
|
|
+ uint32_t sector, sec_off;
|
|
|
+ if (lun >= N_DRIVES)
|
|
|
+ return -1;
|
|
|
+ drv = &Drives[lun];
|
|
|
+
|
|
|
+ if ( lba >= drv->n_lba )
|
|
|
+ return -1;
|
|
|
+
|
|
|
+ if (lun == 0) {
|
|
|
+ struct disk_lba *msc_ro = (struct disk_lba *)disk0_img;
|
|
|
+ memcpy(buffer, msc_ro[lba].data + offset, bufsize);
|
|
|
+ asm volatile("DMB");
|
|
|
+ return bufsize;
|
|
|
+ } else {
|
|
|
+ if (fsm_get() < VAULT_MAIN_MENU) {
|
|
|
+ memset(buffer, 0, bufsize);
|
|
|
+ return bufsize;
|
|
|
+ }
|
|
|
+ if (lba == 0) {
|
|
|
+ memcpy(buffer, disk1_mbr + offset, bufsize);
|
|
|
+ return bufsize;
|
|
|
+ }
|
|
|
+ sector = lba / BLOCKS_PER_SECTOR;
|
|
|
+ sec_off = lba - (sector * BLOCKS_PER_SECTOR);
|
|
|
+
|
|
|
+ if ( sector != sector_cached) {
|
|
|
+ sector_cache_load(sector);
|
|
|
+ return 0;
|
|
|
+ }
|
|
|
+ memcpy(buffer, sector_cache[sec_off].data + offset, bufsize);
|
|
|
+ asm volatile("DMB");
|
|
|
+ return bufsize;
|
|
|
+ }
|
|
|
}
|
|
|
|
|
|
bool tud_msc_is_writable_cb (uint8_t lun)
|
|
|
{
|
|
|
- (void) lun;
|
|
|
-
|
|
|
- /* Read only. */
|
|
|
- return false;
|
|
|
+ if (lun != 1) {
|
|
|
+ /* Read only. */
|
|
|
+ return false;
|
|
|
+ } else {
|
|
|
+ return true;
|
|
|
+ }
|
|
|
}
|
|
|
|
|
|
// Callback invoked when received WRITE10 command.
|
|
|
// Process data in buffer to disk's storage and return number of written bytes
|
|
|
int32_t tud_msc_write10_cb(uint8_t lun, uint32_t lba, uint32_t offset, uint8_t* buffer, uint32_t bufsize)
|
|
|
{
|
|
|
- (void) lun;
|
|
|
- // out of ramdisk
|
|
|
- if ( lba >= DISK_BLOCK_NUM )
|
|
|
- return -1;
|
|
|
- /* Read only. Silently fail. */
|
|
|
- (void) lba; (void) offset; (void) buffer;
|
|
|
- return bufsize;
|
|
|
+ uint32_t sector, sec_off;
|
|
|
+ if (lun == 0)
|
|
|
+ return bufsize;
|
|
|
+ /*
|
|
|
+ if (lba == 0)
|
|
|
+ return bufsize;
|
|
|
+ */
|
|
|
+ if ( lba >= Drives[lun].n_lba)
|
|
|
+ return -1;
|
|
|
+ if (fsm_get() < VAULT_MAIN_MENU)
|
|
|
+ return -1;
|
|
|
+ sector = lba / BLOCKS_PER_SECTOR;
|
|
|
+ sec_off = lba - (sector * BLOCKS_PER_SECTOR);
|
|
|
+ if ( sector != sector_cached) {
|
|
|
+ sector_cache_load(sector);
|
|
|
+ }
|
|
|
+ memcpy(sector_cache[sec_off].data + offset, buffer, bufsize);
|
|
|
+ sector_cache_commit();
|
|
|
+ asm volatile("DMB");
|
|
|
+ return bufsize;
|
|
|
}
|
|
|
|
|
|
// Callback invoked when received an SCSI command not in built-in list below
|
|
@@ -221,45 +304,80 @@ int32_t tud_msc_write10_cb(uint8_t lun, uint32_t lba, uint32_t offset, uint8_t*
|
|
|
// - READ10 and WRITE10 has their own callbacks
|
|
|
int32_t tud_msc_scsi_cb (uint8_t lun, uint8_t const scsi_cmd[16], void* buffer, uint16_t bufsize)
|
|
|
{
|
|
|
- // read10 & write10 has their own callback and MUST not be handled here
|
|
|
+ // read10 & write10 has their own callback and MUST not be handled here
|
|
|
|
|
|
- void const* response = NULL;
|
|
|
- int32_t resplen = 0;
|
|
|
+ void const* response = NULL;
|
|
|
+ int32_t resplen = 0;
|
|
|
|
|
|
- // most scsi handled is input
|
|
|
- bool in_xfer = true;
|
|
|
+ // most scsi handled is input
|
|
|
+ bool in_xfer = true;
|
|
|
|
|
|
- switch (scsi_cmd[0])
|
|
|
- {
|
|
|
- case SCSI_CMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
|
|
|
- // Host is about to read/write etc ... better not to disconnect disk
|
|
|
- resplen = 0;
|
|
|
- break;
|
|
|
+ switch (scsi_cmd[0])
|
|
|
+ {
|
|
|
+ case SCSI_CMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
|
|
|
+ // Host is about to read/write etc ... better not to disconnect disk
|
|
|
+ resplen = 0;
|
|
|
+ break;
|
|
|
+
|
|
|
+ default:
|
|
|
+ // Set Sense = Invalid Command Operation
|
|
|
+ tud_msc_set_sense(lun, SCSI_SENSE_ILLEGAL_REQUEST, 0x20, 0x00);
|
|
|
+
|
|
|
+ // negative means error -> tinyusb could stall and/or response with failed status
|
|
|
+ resplen = -1;
|
|
|
+ break;
|
|
|
+ }
|
|
|
|
|
|
- default:
|
|
|
- // Set Sense = Invalid Command Operation
|
|
|
- tud_msc_set_sense(lun, SCSI_SENSE_ILLEGAL_REQUEST, 0x20, 0x00);
|
|
|
+ // return resplen must not larger than bufsize
|
|
|
+ if ( resplen > bufsize ) resplen = bufsize;
|
|
|
|
|
|
- // negative means error -> tinyusb could stall and/or response with failed status
|
|
|
- resplen = -1;
|
|
|
- break;
|
|
|
- }
|
|
|
+ if ( response && (resplen > 0) )
|
|
|
+ {
|
|
|
+ if(in_xfer)
|
|
|
+ {
|
|
|
+ memcpy(buffer, response, resplen);
|
|
|
+ }else
|
|
|
+ {
|
|
|
+ // SCSI output
|
|
|
+ }
|
|
|
+ }
|
|
|
|
|
|
- // return resplen must not larger than bufsize
|
|
|
- if ( resplen > bufsize ) resplen = bufsize;
|
|
|
+ return resplen;
|
|
|
+}
|
|
|
|
|
|
- if ( response && (resplen > 0) )
|
|
|
- {
|
|
|
- if(in_xfer)
|
|
|
- {
|
|
|
- memcpy(buffer, response, resplen);
|
|
|
- }else
|
|
|
- {
|
|
|
- // SCSI output
|
|
|
+void disk1_format(void)
|
|
|
+{
|
|
|
+ uint8_t block[DISK_BLOCK_SIZE];
|
|
|
+ int i, j;
|
|
|
+ if (cryptoengine_check_vault() < 0)
|
|
|
+ return;
|
|
|
+
|
|
|
+ memset(block, 0, DISK_BLOCK_SIZE);
|
|
|
+ for (i = 1; i < 5; i++) {
|
|
|
+ if (sector_cached != i) {
|
|
|
+ sector_cache_load(i);
|
|
|
+ }
|
|
|
+ for (j = 0; j < BLOCKS_PER_SECTOR; j++)
|
|
|
+ memcpy(sector_cache[j].data, block, DISK_BLOCK_SIZE);
|
|
|
+ sector_cache_commit();
|
|
|
}
|
|
|
- }
|
|
|
|
|
|
- return resplen;
|
|
|
+ /* Fill "last cluster" info */
|
|
|
+ sector_cache_load(0);
|
|
|
+ for (j = 0; j < BLOCKS_PER_SECTOR; j++)
|
|
|
+ memcpy(sector_cache[j].data, block, DISK_BLOCK_SIZE);
|
|
|
+ memcpy(sector_cache[0].data, disk1_mbr, DISK_BLOCK_SIZE);
|
|
|
+ memcpy(sector_cache[1].data, last_cluster_init_info, 4);
|
|
|
+ memcpy(sector_cache[2].data, last_cluster_init_info, 4);
|
|
|
+ sector_cache_commit();
|
|
|
+}
|
|
|
+
|
|
|
+void disk_crypto_activate(int status)
|
|
|
+{
|
|
|
+ drv_active[1] = status;
|
|
|
+ if (status) {
|
|
|
+
|
|
|
+ }
|
|
|
}
|
|
|
|
|
|
#endif
|