fatfs_port.c 1.8 KB

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  1. /*
  2. * This file is part of the MicroPython project, http://micropython.org/
  3. *
  4. * The MIT License (MIT)
  5. *
  6. * Copyright (c) 2013, 2014 Damien P. George
  7. *
  8. * Permission is hereby granted, free of charge, to any person obtaining a copy
  9. * of this software and associated documentation files (the "Software"), to deal
  10. * in the Software without restriction, including without limitation the rights
  11. * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  12. * copies of the Software, and to permit persons to whom the Software is
  13. * furnished to do so, subject to the following conditions:
  14. *
  15. * The above copyright notice and this permission notice shall be included in
  16. * all copies or substantial portions of the Software.
  17. *
  18. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20. * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  21. * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22. * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  23. * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  24. * THE SOFTWARE.
  25. */
  26. #include "py/runtime.h"
  27. #include "lib/oofatfs/ff.h"
  28. #include "rtc.h"
  29. MP_WEAK DWORD get_fattime(void) {
  30. #if MICROPY_HW_ENABLE_RTC
  31. rtc_init_finalise();
  32. RTC_TimeTypeDef time;
  33. RTC_DateTypeDef date;
  34. HAL_RTC_GetTime(&RTCHandle, &time, RTC_FORMAT_BIN);
  35. HAL_RTC_GetDate(&RTCHandle, &date, RTC_FORMAT_BIN);
  36. return ((2000 + date.Year - 1980) << 25) | ((date.Month) << 21) | ((date.Date) << 16) | ((time.Hours) << 11) | ((time.Minutes) << 5) | (time.Seconds / 2);
  37. #else
  38. // Jan 1st, 2018 at midnight. Not sure what timezone.
  39. return ((2018 - 1980) << 25) | ((1) << 21) | ((1) << 16) | ((0) << 11) | ((0) << 5) | (0 / 2);
  40. #endif
  41. }