/********************************************************************************
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* Copyright: (C) 2012 CoherentPlus Sdn. Bhd.
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* All rights reserved.
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*
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* Filename: cp_time.h
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* Description: This head file
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*
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* Version: 1.0.0(02/23/2012~)
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* Author: Guo Wenxue <guowenxue@gmail.com>
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* ChangeLog: 1, Release initial version on "02/23/2012 07:46:37 AM"
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*
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********************************************************************************/
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#ifndef __CP_TIME_H
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#define __CP_TIME_H
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#include <unistd.h>
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#include <string.h>
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#include <fcntl.h>
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#include <time.h>
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#include <linux/rtc.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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typedef struct __DATE_TIME
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{
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int iYear;
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int iMonth;
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int iDay;
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int iHour;
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int iMinute;
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int iSecond;
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int iDayOfWeek;
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} DATE_TIME;
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static inline void micro_second_sleep(unsigned long ms)
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{
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struct timespec cSleep;
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unsigned long ulTmp;
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cSleep.tv_sec = ms / 1000;
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if (cSleep.tv_sec == 0)
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{
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ulTmp = ms * 10000;
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cSleep.tv_nsec = ulTmp * 100;
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}
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else
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{
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cSleep.tv_nsec = 0;
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}
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nanosleep(&cSleep, 0);
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}
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/*UNIT: micro second*/
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static inline unsigned long time_now()
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{
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struct timeval now;
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gettimeofday(&now, 0);
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return (now.tv_sec * 1000) + (now.tv_usec / 1000);
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}
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/*UNIT: micro second*/
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static inline unsigned long time_elapsed(unsigned long start)
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{
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unsigned long current = time_now();
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if (current < start)
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{
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return (0xFFFFFFFF - start) + current;
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}
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//printf("time_elapsed: %ld\n", current-start);
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return current - start;
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}
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static inline void get_current_time(DATE_TIME * date)
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{
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time_t now = time(NULL);
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struct tm *tnow = localtime(&now);
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memset(date, 0, sizeof(DATE_TIME));
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date->iYear = 1900 + tnow->tm_year;
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date->iMonth = 1 + tnow->tm_mon;
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date->iDay = tnow->tm_mday;
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date->iHour = tnow->tm_hour;
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date->iMinute = tnow->tm_min;
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date->iSecond = tnow->tm_sec;
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date->iDayOfWeek = tnow->tm_wday;
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return;
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}
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#define get_sys_time(date) get_current_time(date)
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static inline int get_rtc_time(DATE_TIME *date)
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{
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int rv, fd = -1;
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struct rtc_time rtc_tm;
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memset(date, 0, sizeof(DATE_TIME));
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if ((fd=open("/dev/rtc0", O_RDONLY)) < 0)
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return -1;
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if((rv=ioctl(fd, RTC_RD_TIME, &rtc_tm)) < 0)
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return -2;
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date->iYear = 1900 + rtc_tm.tm_year;
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date->iMonth = 1 + rtc_tm.tm_mon;
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date->iDay = rtc_tm.tm_mday;
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date->iHour = rtc_tm.tm_hour;
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date->iMinute = rtc_tm.tm_min;
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date->iSecond = rtc_tm.tm_sec;
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date->iDayOfWeek = rtc_tm.tm_wday;
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close(fd);
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return 0;
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}
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#endif
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