FatFs - get_fattime

## get_fattime

The get_fattime function is called to get the current time.

    DWORD get_fattime (void);

#### Return Value

Currnet local time shall be returned as bit-fields packed into a `DWORD` value. The bit fields are as follows:

bit31:25
  Year origin from the 1980 (0..127, e.g. 37 for 2017)
bit24:21
  Month (1..12)
bit20:16
  Day of the month (1..31)
bit15:11
  Hour (0..23)
bit10:5
  Minute (0..59)
bit4:0
  Second / 2 (0..29, e.g. 25 for 50)

#### Description

The `get_fattime` function shall return any valid time even if the system does not support a real time clock. If a zero is returned, the file will not have a valid timestamp.

#### QuickInfo

This function is not needed when `FF_FS_READONLY == 1` or `FF_FS_NORTC == 1`.

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