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FatFs integration (SDIO backend)

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rus 2016-10-20 12:29:34 +05:00 • committed by UncleRus
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examples/fatfs_rtc/README.md Normal file
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This example shows how to use real-time clock (e.g. ds1307)
with FatFs for real timestamps on the filesystem objects.
1. Set `FATFS_FS_NORTC` to 0 (it's 1 by default) in application makefile.
2. Define function `uint32_t get_fattime()` which will return current time in
timestamp format:
Bits | Date part
-------|----------
0..4 | Second / 2 (0..29)
5..10 | Minute (0..59)
11..15 | Hour (0..23)
16..20 | Day (1..31)
21..24 | Month (1..12)
25..31 | Year origin from 1980 (0..127)