void _psp_time_to_ticks
(
TIME_STRUCT_PTR time_ptr,
PSP_TICK_STRUCT_PTR tick_ptr
)
{ /* Body */
PSP_TICK_STRUCT tick1;
PSP_TICK_STRUCT tick2;
_psp_seconds_to_ticks(time_ptr->SECONDS, &tick1);
_psp_msecs_to_ticks(time_ptr->MILLISECONDS, &tick2);
_psp_add_ticks(&tick1, &tick2, tick_ptr);
} /* Endbody */
boolean _psp_ticks_to_xdate
(
/* [IN] pointer to tick structure */
PSP_TICK_STRUCT_PTR tick_ptr,
/* [OUT] pointer to a xdate structure */
MQX_XDATE_STRUCT_PTR xdate_ptr
)
{ /* Body */
PSP_TICK_STRUCT tmp_ticks1;
PSP_TICK_STRUCT tmp_ticks2;
uint_64 seconds;
uint_64 leftover_ticks;
KERNEL_DATA_STRUCT_PTR kernel_data;
uint_32 days,years;
uint_32 tps, tmp;
boolean over_flow;
uint_16 leap;
_GET_KERNEL_DATA(kernel_data);
tps = kernel_data->TICKS_PER_SECOND;
/* Convert ticks to seconds */
seconds = tick_ptr->TICKS[0] / tps;
leftover_ticks = tick_ptr->TICKS[0] % tps;
/* Convert to minutes */
tmp = seconds / SECS_IN_MINUTE;
xdate_ptr->SEC = seconds % SECS_IN_MINUTE;
/* Convert to hours */
xdate_ptr->MIN = tmp % MINUTES_IN_HOUR;
tmp /= MINUTES_IN_HOUR;
/* Convert to days */
xdate_ptr->HOUR = tmp % HOURS_IN_DAY;
days = tmp / HOURS_IN_DAY;
/* Make an educated quess where to start in table */
years = days / 366;
if (years > 511) {
/* This is out of range of the xdate structure */
return FALSE;
} /* Endif */
xdate_ptr->YEAR = (uint_16)years;
while (days >= _time_days_before_year_internal[xdate_ptr->YEAR + 1]) {
xdate_ptr->YEAR++;
} /* Endwhile */
/* Jan 1, 1970 was a Thursday */
xdate_ptr->WDAY = (uint_16)((days + 3 + 1) % 7);
/* Calculate the number of days since the beginning of the year */
days -= _time_days_before_year_internal[xdate_ptr->YEAR];
xdate_ptr->YEAR += (uint_16)1970;
xdate_ptr->YDAY = (uint_16)days;
/*
** Find out if we are in a leap year.
**
** if (the year is a century year not divisible by 400
** then it is not a leap year, otherwise if year divisible by
** four then it is a leap year
*/
if ((xdate_ptr->YEAR % (uint_16)100) == (uint_16)0) {
if ((xdate_ptr->YEAR % (uint_16)400) == (uint_16)0) {
leap = (uint_16)LEAP_YEAR;
} else {
leap = (uint_16)NON_LEAP_YEAR;
} /* Endif */
} else {
if ((xdate_ptr->YEAR % (uint_16)4) == (uint_16)0) {
leap = (uint_16)LEAP_YEAR;
} else {
leap = (uint_16)NON_LEAP_YEAR;
} /* Endif */
} /* Endif */
/* calculate the month */
xdate_ptr->MONTH = days/31;
while (days >= _time_days_before_month_internal[leap][xdate_ptr->MONTH]) {
xdate_ptr->MONTH++;
} /* Endwhile */
days -= _time_days_before_month_internal[leap][xdate_ptr->MONTH - 1];
/* calculate the day */
xdate_ptr->MDAY = (uint_16)(days);
/* first day is 1*/
xdate_ptr->MDAY++;
/*
** Calculate ms, us, ns and ps from remaining ticks
*/
tmp_ticks1.TICKS[0] = leftover_ticks;
tmp_ticks1.HW_TICKS[0] = tick_ptr->HW_TICKS[0];
/* Calculate milliseconds */
tmp = _psp_ticks_to_milliseconds_truncate(&tmp_ticks1, &over_flow);
xdate_ptr->MSEC = (uint_16)tmp;
_psp_msecs_to_ticks(tmp, &tmp_ticks2);
PSP_SUB_TICKS(&tmp_ticks1, &tmp_ticks2, &tmp_ticks1);
if ((tmp_ticks1.TICKS[0] == 0) && (tmp_ticks2.HW_TICKS[0] == 0)) {
xdate_ptr->USEC = xdate_ptr->NSEC = xdate_ptr->PSEC = 0;
return TRUE;
} /* Endif */
/* Calculate microseconds */
tmp = _psp_ticks_to_microseconds_truncate(&tmp_ticks1, &over_flow);
xdate_ptr->USEC = (uint_16)tmp;
_psp_usecs_to_ticks(tmp, &tmp_ticks2);
PSP_SUB_TICKS(&tmp_ticks1, &tmp_ticks2, &tmp_ticks1);
if ((tmp_ticks1.TICKS[0] == 0) && (tmp_ticks2.HW_TICKS[0] == 0)) {
xdate_ptr->NSEC = xdate_ptr->PSEC = 0;
return TRUE;
} /* Endif */
/* Calculate nanoseconds */
tmp = _psp_ticks_to_nanoseconds_truncate(&tmp_ticks1, &over_flow);
xdate_ptr->NSEC = (uint_16)tmp;
_psp_nsecs_to_ticks(tmp, &tmp_ticks2);
PSP_SUB_TICKS(&tmp_ticks1, &tmp_ticks2, &tmp_ticks1);
if ((tmp_ticks1.TICKS[0] == 0) && (tmp_ticks2.HW_TICKS[0] == 0)) {
xdate_ptr->PSEC = 0;
return TRUE;
} /* Endif */
/* Calculate picoseconds */
tmp = _psp_ticks_to_picoseconds_truncate(&tmp_ticks1, &over_flow);
xdate_ptr->PSEC = (uint_16)tmp;
return TRUE;
} /* Endbody */