usb_msc_mram_steps.h

Go to the documentation of this file.

 
#pragma once
 
#include <stdint.h>

typedef enum : uint32_t {
  k_demo_thread_stack    = 4096U,  
  k_demo_usbx_pool_bytes = 32768U, 
  k_demo_block_size      = 512U,   
  k_demo_idle_ticks      = 50U,    
} demo_config_t;

typedef enum : uint32_t {
  k_mram_base_addr = 0x02000000U, 
  k_mram_bytes     = 0x00100000U, 
} demo_mram_t;

typedef enum : uint32_t {
  k_fat_reserved_sectors = 1U,      
  k_fat_num_fats         = 1U,      
  k_fat_fat_sectors      = 17U,     
  k_fat_root_entries     = 512U,    
  k_fat_root_sectors     = 32U,     
  k_fat_data_sectors     = 4096U,   
  k_fat_fat_lba          = 1U,      
  k_fat_root_lba         = 18U,     
  k_fat_data_lba         = 50U,     
  k_fat_total_sectors    = 4146U,   
  k_fat_first_cluster    = 2U,      
  k_fat_mram_clusters    = 2048U,   
  k_fat_last_mram_clus   = 2049U,   
  k_fat_entries_per_sec  = 256U,    
  k_fat_eoc              = 0xFFFFU, 
  k_fat_entry0           = 0xFFF8U, 
} demo_fat_geom_t;

typedef enum : uint32_t {
  k_boot_jmp0        = 0xEBU,       
  k_boot_jmp1        = 0x3CU,       
  k_boot_jmp2        = 0x90U,       
  k_boot_media       = 0xF8U,       
  k_boot_sec_per_trk = 32U,         
  k_boot_num_heads   = 16U,         
  k_boot_drive_num   = 0x80U,       
  k_boot_ext_sig     = 0x29U,       
  k_boot_volume_id   = 0x52A8D200U, 
  k_boot_sig_lo      = 0x55U,       
  k_boot_sig_hi      = 0xAAU,       
  k_boot_sig_lo_off  = 510U,        
  k_boot_sig_hi_off  = 511U,        
} demo_fat_boot_t;

typedef enum : uint8_t {
  k_bpb_off_jmp        = 0U,    
  k_bpb_off_oem        = 3U,    
  k_bpb_off_bps        = 11U,   
  k_bpb_off_spc        = 13U,   
  k_bpb_off_rsvd       = 14U,   
  k_bpb_off_nfats      = 16U,   
  k_bpb_off_rootent    = 17U,   
  k_bpb_off_totsec16   = 19U,   
  k_bpb_off_media      = 21U,   
  k_bpb_off_fatsz16    = 22U,   
  k_bpb_off_spt        = 24U,   
  k_bpb_off_heads      = 26U,   
  k_bpb_off_drvnum     = 36U,   
  k_bpb_off_bootsig    = 38U,   
  k_bpb_off_volid      = 39U,   
  k_bpb_off_label      = 43U,   
  k_bpb_off_fstype     = 54U,   
  k_dir_entry_bytes    = 32U,   
  k_dir_off_attr       = 11U,   
  k_dir_off_cluster_lo = 26U,   
  k_dir_off_size       = 28U,   
  k_dir_attr_volume    = 0x08U, 
  k_dir_attr_read_only = 0x01U, 
  k_dir_name_bytes     = 11U,   
  k_byte_shift         = 8U,    
  k_byte_mask          = 0xFFU, 
} demo_fat_off_t;

typedef enum : uint32_t {
  k_word_shift = 16U,     
  k_word_mask  = 0xFFFFU, 
} demo_word_pack_t;
 
#ifndef RA8_OFF_TARGET
 
#include "ux_api.h"

void demo_fat_fill_sector(uint32_t lba, UCHAR* out);
 
#endif /* !RA8_OFF_TARGET */