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Make seconds flow evenly and further throttle RTC reads solution partially thanks to amiconn

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8938 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Brandon Low 2006-03-06 22:53:59 +00:00
parent 48a336851e
commit 40d0d752aa
1 changed files with 13 additions and 13 deletions
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26
firmware/common/timefuncs.c
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@ -46,13 +46,13 @@ bool valid_time(const struct tm *tm)
struct tm *get_time(void)
{
#ifndef SIMULATOR
#ifdef CONFIG_RTC
static long last_tick = 0;
/* Don't read the RTC more than 4 times per second */
if (last_tick + HZ/4 < current_tick) {
if (last_tick + HZ < current_tick) {
#ifdef CONFIG_RTC
char rtcbuf[7];
last_tick = current_tick;
last_tick = HZ * (current_tick / HZ);
rtc_read_datetime(rtcbuf);
tm.tm_sec = ((rtcbuf[0] & 0x70) >> 4) * 10 + (rtcbuf[0] & 0x0f);
@ -65,18 +65,18 @@ struct tm *get_time(void)
tm.tm_yday = 0; /* Not implemented for now */
tm.tm_isdst = -1; /* Not implemented for now */
}
#else
tm.tm_sec = 0;
tm.tm_min = 0;
tm.tm_hour = 0;
tm.tm_mday = 1;
tm.tm_mon = 0;
tm.tm_year = 70;
tm.tm_wday = 1;
tm.tm_yday = 0; /* Not implemented for now */
tm.tm_isdst = -1; /* Not implemented for now */
tm.tm_sec = 0;
tm.tm_min = 0;
tm.tm_hour = 0;
tm.tm_mday = 1;
tm.tm_mon = 0;
tm.tm_year = 70;
tm.tm_wday = 1;
tm.tm_yday = 0; /* Not implemented for now */
tm.tm_isdst = -1; /* Not implemented for now */
#endif
}
return &tm;
#else
time_t now = time(NULL);