diff options
author | barthess <barthess@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2014-11-01 15:44:30 +0000 |
---|---|---|
committer | barthess <barthess@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2014-11-01 15:44:30 +0000 |
commit | d37f6cb1f3cac35b1f7f7373062fddb638707570 (patch) | |
tree | e81bc626c722cd995fae688f8605a23e5db1aecc /os/various/chrtclib.c | |
parent | 96f976382d7b94911dac7bea9477b3e2bc560408 (diff) | |
download | ChibiOS-d37f6cb1f3cac35b1f7f7373062fddb638707570.tar.gz ChibiOS-d37f6cb1f3cac35b1f7f7373062fddb638707570.tar.bz2 ChibiOS-d37f6cb1f3cac35b1f7f7373062fddb638707570.zip |
RTCv1. Time converstion functions moved to rtc.c(h). Chrtclib deleted.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@7443 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/various/chrtclib.c')
-rw-r--r-- | os/various/chrtclib.c | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/os/various/chrtclib.c b/os/various/chrtclib.c deleted file mode 100644 index 5512fd42e..000000000 --- a/os/various/chrtclib.c +++ /dev/null @@ -1,129 +0,0 @@ -/* - ChibiOS - Copyright (C) 2014 Uladzimir Pylinsky aka barthess - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. -*/ - -/** - * @file chrtclib.c - * @brief Time conversion routines. - * - * @addtogroup chrtclib - * @{ - */ - -#include <time.h> - -#include "chrtclib.h" - -/** - * @brief Convert @p RTCDateTime to broken-down time structure. - * - * @param[in] timespec pointer to a @p RTCDateTime structure - * @param[out] timp pointer to a broken-down time structure - * - * @api - */ -void rtcConvertDateTimeToStructTm(const RTCDateTime *timespec, - struct tm *timp) { - uint32_t tmp; - - timp->tm_year = timespec->year + (1980 - 1900); - timp->tm_mon = timespec->month - 1; - timp->tm_mday = timespec->day; - timp->tm_isdst = timespec->dstflag; - - tmp = timespec->millisecond / 1000; - timp->tm_sec = tmp % 60; - tmp -= timp->tm_sec; - timp->tm_min = tmp % 3600; - tmp -= timp->tm_min * 60; - timp->tm_hour = tmp / 3600; -} - -/** - * @brief Convert broken-down time structure to @p RTCDateTime. - * - * @param[in] timp pointer to a broken-down time structure - * @param[in] tv_msec milliseconds value - * @param[out] timespec pointer to a @p RTCDateTime structure - * - * @api - */ -void rtcConvertStructTmToDateTime(const struct tm *timp, - uint32_t tv_msec, RTCDateTime *timespec) { - - timespec->year = timp->tm_year - (1980 - 1900); - timespec->month = timp->tm_mon + 1; - timespec->day = timp->tm_mday; - timespec->dayofweek = timp->tm_wday + 1; - if (-1 == timp->tm_isdst) - timespec->dstflag = 0; /* set zero if dst is unknown */ - else - timespec->dstflag = timp->tm_isdst; - timespec->millisecond = tv_msec + - (timp->tm_hour * 3600 + timp->tm_min * 60 + timp->tm_sec) * 1000; -} - -/* - * Lookup table for months' length - */ -static const uint8_t month_len[12] = { - 31, 30, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 -}; - -/** - * @brief Get current time in format suitable for usage in FAT file system. - * @note The information about day of week and DST is lost in DOS - * format, the second field loses its least significant bit. - * - * @param[out] timespec pointer to a @p RTCDateTime structure - * @return FAT date/time value. - * - * @api - */ -uint32_t rtcConvertDateTimeToFAT(const RTCDateTime *timespec) { - uint32_t fattime; - uint32_t sec, min, hour, day, month, tmp; - - tmp = timespec->millisecond / 1000; - sec = tmp % 60; - min = (tmp - sec) % 3600; - hour = (tmp - sec - min * 60) / 3600; - day = timespec->day; - month = timespec->month; - - /* handle DST flag */ - if (1 == timespec->dstflag) { - hour += 1; - if (hour == 24) { - hour = 0; - day += 1; - if (day > month_len[month - 1]) { - day = 1; - month += 1; - } - } - } - - fattime = sec >> 1; - fattime |= min << 5; - fattime |= hour << 11; - fattime |= day << 16; - fattime |= month << 21; - fattime |= timespec->year << 25; - - return fattime; -} - -/** @} */ |