diff options
Diffstat (limited to 'c/src/lib/libbsp/arm/nds/libfat/source/filetime.c')
| -rw-r--r-- | c/src/lib/libbsp/arm/nds/libfat/source/filetime.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/filetime.c b/c/src/lib/libbsp/arm/nds/libfat/source/filetime.c index 1dc545d960..4619225d71 100644 --- a/c/src/lib/libbsp/arm/nds/libfat/source/filetime.c +++ b/c/src/lib/libbsp/arm/nds/libfat/source/filetime.c @@ -3,7 +3,7 @@ Conversion of file time and date values to various other types Copyright (c) 2006 Michael "Chishm" Chisholm - + Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: @@ -27,11 +27,11 @@ 2006-07-11 - Chishm * Original release - + 2006-09-30 - Chishm * Validity checks performed on the time supplied by the IPC * Cleaned up magic numbers - + 2006-10-01 - Chishm * Fixed incorrect use of bitwise-or instead of logical-or */ @@ -70,17 +70,17 @@ u16 _FAT_filetime_getTimeFromRTC (void) { hour = (IPC->time.rtc.hours >= HOUR_PM_INDICATOR ? IPC->time.rtc.hours - HOUR_PM_INDICATOR : IPC->time.rtc.hours); minute = IPC->time.rtc.minutes; second = IPC->time.rtc.seconds; - + // Check that the values are all in range. // If they are not, return 0 (no timestamp) if ((hour < 0) || (hour > MAX_HOUR)) return 0; if ((minute < 0) || (minute > MAX_MINUTE)) return 0; if ((second < 0) || (second > MAX_SECOND)) return 0; - + return ( ((hour & 0x1F) << 11) | ((minute & 0x3F) << 5) | - ((second >> 1) & 0x1F) + ((second >> 1) & 0x1F) ); #else return 0; @@ -91,16 +91,16 @@ u16 _FAT_filetime_getTimeFromRTC (void) { u16 _FAT_filetime_getDateFromRTC (void) { #ifdef NDS int year, month, day; - + year = IPC->time.rtc.year; month = IPC->time.rtc.month; day = IPC->time.rtc.day; - + if ((year < MIN_YEAR) || (year > MAX_YEAR)) return 0; if ((month < MIN_MONTH) || (month > MAX_MONTH)) return 0; if ((day < MIN_DAY) || (day > MAX_DAY)) return 0; - - return ( + + return ( (((year + 20) & 0x7F) <<9) | // Adjust for MS-FAT base year (1980 vs 2000 for DS clock) ((month & 0xF) << 5) | (day & 0x1F) @@ -113,17 +113,17 @@ u16 _FAT_filetime_getDateFromRTC (void) { time_t _FAT_filetime_to_time_t (u16 time, u16 date) { int hour, minute, second; int day, month, year; - + time_t result; - + hour = time >> 11; minute = (time >> 5) & 0x3F; second = (time & 0x1F) << 1; - + day = date & 0x1F; month = (date >> 5) & 0x0F; year = date >> 9; - + // Second values are averages, so time value won't be 100% accurate, // but should be within the correct month. result = second |