ra8_fs_fat_time_internal.h

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#pragma once
 
#include <stdint.h>
 
#include "ra8_attributes.h"
#include "ra8_fs.h"

typedef enum : uint8_t {
  k_dir_off_crt_time_tenth = 13, 
  k_dir_off_crt_time       = 14, 
  k_dir_off_crt_date       = 16, 
  k_dir_off_lst_acc_date   = 18, 
  k_dir_off_wrt_time       = 22, 
  k_dir_off_wrt_date       = 24, 
} ra8_fs_time_off_t;

typedef enum : uint8_t {
  k_exfat_off_file_ctime = 8,  
  k_exfat_off_file_mtime = 12, 
  k_exfat_off_file_atime = 16, 
  k_exfat_off_file_c10ms = 20, 
  k_exfat_off_file_m10ms = 21, 
  k_exfat_off_file_cutc  = 22, 
  k_exfat_off_file_mutc  = 23, 
  k_exfat_off_file_autc  = 24, 
} ra8_fs_exfat_time_off_t;

typedef enum : uint32_t {
  k_fs_time_epoch_year     = 1980U,   
  k_fs_time_year_max       = 2107U,   
  k_fs_time_month_min      = 1U,      
  k_fs_time_month_max      = 12U,     
  k_fs_time_day_min        = 1U,      
  k_fs_time_day_max        = 31U,     
  k_fs_time_hour_max       = 23U,     
  k_fs_time_minute_max     = 59U,     
  k_fs_time_second_max     = 59U,     
  k_fs_time_centi_max      = 99U,     
  k_fs_date_shift_year     = 9U,      
  k_fs_date_shift_month    = 5U,      
  k_fs_time_shift_hour     = 11U,     
  k_fs_time_shift_minute   = 5U,      
  k_fs_time_second_div     = 2U,      
  k_fs_xf_shift_date       = 16U,     
  k_fs_xf_shift_month      = 5U,      
  k_fs_xf_shift_year       = 9U,      
  k_fs_centi_per_second    = 100U,    
  k_fs_utc_step_min        = 15U,     
  k_fs_utc_valid_bit       = 0x80U,   
  k_fs_utc_field_mask      = 0x7FU,   
  k_fs_utc_unknown         = 0x00U,   
  k_fs_time_epoch_fat_date = 0x0021U, 
} ra8_fs_time_pack_t;

typedef enum : int16_t {
  k_fs_utc_span_min = -720, 
  k_fs_utc_span_max = 840,  
} ra8_fs_utc_span_t;

RA8_PRIV
void priv_fat_entry_stamp_create(uint8_t* entry);

RA8_PRIV
void priv_fat_entry_stamp_write(uint8_t* entry);

RA8_PRIV
void priv_fat_entry_stamp_access(uint8_t* entry);

RA8_PRIV
void priv_exfat_file_stamp_create(uint8_t* file_entry);

RA8_PRIV
void priv_exfat_file_stamp_access(uint8_t* file_entry);

RA8_PRIV
void priv_fat_entry_set_times(uint8_t*                 entry,
                              const ra8_fs_datetime_t* create,
                              const ra8_fs_datetime_t* modify,
                              const ra8_fs_datetime_t* access);

RA8_PRIV
void priv_exfat_file_set_times(uint8_t*                 file_entry,
                               const ra8_fs_datetime_t* create,
                               const ra8_fs_datetime_t* modify,
                               const ra8_fs_datetime_t* access);

RA8_PRIV
void priv_exfat_file_stamp_write(uint8_t* file_entry);