diff options
Diffstat (limited to 'shared/timeutils/timeutils.h')
| -rw-r--r-- | shared/timeutils/timeutils.h | 118 |
1 files changed, 91 insertions, 27 deletions
diff --git a/shared/timeutils/timeutils.h b/shared/timeutils/timeutils.h index 874d16e976..35356b462a 100644 --- a/shared/timeutils/timeutils.h +++ b/shared/timeutils/timeutils.h @@ -27,9 +27,23 @@ #ifndef MICROPY_INCLUDED_LIB_TIMEUTILS_TIMEUTILS_H #define MICROPY_INCLUDED_LIB_TIMEUTILS_TIMEUTILS_H +#include "py/obj.h" +#if MICROPY_PY_BUILTINS_FLOAT && MICROPY_FLOAT_IMPL == MICROPY_FLOAT_IMPL_DOUBLE +#include <math.h> // required for trunc() +#endif + +// `timeutils_timestamp_t` is the type used internally by timeutils to +// represent timestamps, and is always referenced to 1970. +// It may not match the platform-specific `mp_timestamp_t`. +#if MICROPY_TIME_SUPPORT_Y2100_AND_BEYOND || MICROPY_TIME_SUPPORT_Y1969_AND_BEFORE +typedef long long timeutils_timestamp_t; +#else +typedef mp_uint_t timeutils_timestamp_t; +#endif + // The number of seconds between 1970/1/1 and 2000/1/1 is calculated using: // time.mktime((2000,1,1,0,0,0,0,0,0)) - time.mktime((1970,1,1,0,0,0,0,0,0)) -#define TIMEUTILS_SECONDS_1970_TO_2000 (946684800ULL) +#define TIMEUTILS_SECONDS_1970_TO_2000 (946684800LL) typedef struct _timeutils_struct_time_t { uint16_t tm_year; // i.e. 2014 @@ -45,66 +59,116 @@ typedef struct _timeutils_struct_time_t { bool timeutils_is_leap_year(mp_uint_t year); mp_uint_t timeutils_days_in_month(mp_uint_t year, mp_uint_t month); mp_uint_t timeutils_year_day(mp_uint_t year, mp_uint_t month, mp_uint_t date); +int timeutils_calc_weekday(int y, int m, int d); -void timeutils_seconds_since_2000_to_struct_time(mp_uint_t t, +void timeutils_seconds_since_1970_to_struct_time(timeutils_timestamp_t t, timeutils_struct_time_t *tm); // Year is absolute, month/date are 1-based, hour/minute/second are 0-based. -mp_uint_t timeutils_seconds_since_2000(mp_uint_t year, mp_uint_t month, +timeutils_timestamp_t timeutils_seconds_since_1970(mp_uint_t year, mp_uint_t month, mp_uint_t date, mp_uint_t hour, mp_uint_t minute, mp_uint_t second); // Year is absolute, month/mday are 1-based, hours/minutes/seconds are 0-based. -mp_uint_t timeutils_mktime_2000(mp_uint_t year, mp_int_t month, mp_int_t mday, +timeutils_timestamp_t timeutils_mktime_1970(mp_uint_t year, mp_int_t month, mp_int_t mday, mp_int_t hours, mp_int_t minutes, mp_int_t seconds); +static inline mp_timestamp_t timeutils_obj_get_timestamp(mp_obj_t o_in) { + #if MICROPY_PY_BUILTINS_FLOAT && MICROPY_FLOAT_IMPL == MICROPY_FLOAT_IMPL_DOUBLE + mp_float_t val = mp_obj_get_float(o_in); + return (mp_timestamp_t)MICROPY_FLOAT_C_FUN(trunc)(val); + #elif MICROPY_TIMESTAMP_IMPL == MICROPY_TIMESTAMP_IMPL_UINT + return mp_obj_get_uint(o_in); + #else + return mp_obj_get_ll(o_in); + #endif +} + +static inline mp_obj_t timeutils_obj_from_timestamp(mp_timestamp_t t) { + #if MICROPY_TIMESTAMP_IMPL == MICROPY_TIMESTAMP_IMPL_UINT + return mp_obj_new_int_from_uint(t); + #else + return mp_obj_new_int_from_ll(t); + #endif +} + +static inline void timeutils_seconds_since_2000_to_struct_time(mp_timestamp_t t, timeutils_struct_time_t *tm) { + timeutils_seconds_since_1970_to_struct_time((timeutils_timestamp_t)(t + TIMEUTILS_SECONDS_1970_TO_2000), tm); +} + +// Year is absolute, month/date are 1-based, hour/minute/second are 0-based. +static inline mp_timestamp_t timeutils_seconds_since_2000(mp_uint_t year, mp_uint_t month, mp_uint_t date, + mp_uint_t hour, mp_uint_t minute, mp_uint_t second) { + return (mp_timestamp_t)timeutils_seconds_since_1970(year, month, date, hour, minute, second) - TIMEUTILS_SECONDS_1970_TO_2000; +} + +// Year is absolute, month/mday are 1-based, hours/minutes/seconds are 0-based. +static inline mp_timestamp_t timeutils_mktime_2000(mp_uint_t year, mp_int_t month, mp_int_t mday, + mp_int_t hours, mp_int_t minutes, mp_int_t seconds) { + return (mp_timestamp_t)timeutils_mktime_1970(year, month, mday, hours, minutes, seconds) - TIMEUTILS_SECONDS_1970_TO_2000; +} + + // Select the Epoch used by the port. #if MICROPY_EPOCH_IS_1970 -static inline void timeutils_seconds_since_epoch_to_struct_time(uint64_t t, timeutils_struct_time_t *tm) { - // TODO this will give incorrect results for dates before 2000/1/1 - timeutils_seconds_since_2000_to_struct_time((mp_uint_t)(t - TIMEUTILS_SECONDS_1970_TO_2000), tm); +static inline void timeutils_seconds_since_epoch_to_struct_time(mp_timestamp_t t, timeutils_struct_time_t *tm) { + timeutils_seconds_since_1970_to_struct_time(t, tm); +} + +// Year is absolute, month/date are 1-based, hour/minute/second are 0-based. +static inline mp_timestamp_t timeutils_seconds_since_epoch(mp_uint_t year, mp_uint_t month, mp_uint_t date, + mp_uint_t hour, mp_uint_t minute, mp_uint_t second) { + return timeutils_seconds_since_1970(year, month, date, hour, minute, second); } // Year is absolute, month/mday are 1-based, hours/minutes/seconds are 0-based. -static inline uint64_t timeutils_mktime(mp_uint_t year, mp_int_t month, mp_int_t mday, mp_int_t hours, mp_int_t minutes, mp_int_t seconds) { - return timeutils_mktime_2000(year, month, mday, hours, minutes, seconds) + TIMEUTILS_SECONDS_1970_TO_2000; +static inline mp_timestamp_t timeutils_mktime(mp_uint_t year, mp_int_t month, mp_int_t mday, + mp_int_t hours, mp_int_t minutes, mp_int_t seconds) { + return timeutils_mktime_1970(year, month, mday, hours, minutes, seconds); } -// Year is absolute, month/date are 1-based, hour/minute/second are 0-based. -static inline uint64_t timeutils_seconds_since_epoch(mp_uint_t year, mp_uint_t month, - mp_uint_t date, mp_uint_t hour, mp_uint_t minute, mp_uint_t second) { - // TODO this will give incorrect results for dates before 2000/1/1 - return timeutils_seconds_since_2000(year, month, date, hour, minute, second) + TIMEUTILS_SECONDS_1970_TO_2000; +static inline mp_timestamp_t timeutils_seconds_since_epoch_from_nanoseconds_since_1970(int64_t ns) { + return (mp_timestamp_t)(ns / 1000000000LL); } -static inline mp_uint_t timeutils_seconds_since_epoch_from_nanoseconds_since_1970(uint64_t ns) { - return (mp_uint_t)(ns / 1000000000ULL); +static inline int64_t timeutils_seconds_since_epoch_to_nanoseconds_since_1970(mp_timestamp_t s) { + return (int64_t)s * 1000000000LL; } -static inline uint64_t timeutils_nanoseconds_since_epoch_to_nanoseconds_since_1970(uint64_t ns) { +static inline int64_t timeutils_nanoseconds_since_epoch_to_nanoseconds_since_1970(int64_t ns) { return ns; } #else // Epoch is 2000 -#define timeutils_seconds_since_epoch_to_struct_time timeutils_seconds_since_2000_to_struct_time -#define timeutils_seconds_since_epoch timeutils_seconds_since_2000 -#define timeutils_mktime timeutils_mktime_2000 +static inline void timeutils_seconds_since_epoch_to_struct_time(mp_timestamp_t t, timeutils_struct_time_t *tm) { + timeutils_seconds_since_2000_to_struct_time(t, tm); +} + +// Year is absolute, month/date are 1-based, hour/minute/second are 0-based. +static inline mp_timestamp_t timeutils_seconds_since_epoch(mp_uint_t year, mp_uint_t month, mp_uint_t date, + mp_uint_t hour, mp_uint_t minute, mp_uint_t second) { + return timeutils_seconds_since_2000(year, month, date, hour, minute, second); +} + +// Year is absolute, month/mday are 1-based, hours/minutes/seconds are 0-based. +static inline mp_timestamp_t timeutils_mktime(mp_uint_t year, mp_int_t month, mp_int_t mday, + mp_int_t hours, mp_int_t minutes, mp_int_t seconds) { + return timeutils_mktime_2000(year, month, mday, hours, minutes, seconds); +} -static inline uint64_t timeutils_seconds_since_epoch_to_nanoseconds_since_1970(mp_uint_t s) { - return ((uint64_t)s + TIMEUTILS_SECONDS_1970_TO_2000) * 1000000000ULL; +static inline mp_timestamp_t timeutils_seconds_since_epoch_from_nanoseconds_since_1970(int64_t ns) { + return (mp_timestamp_t)(ns / 1000000000LL - TIMEUTILS_SECONDS_1970_TO_2000); } -static inline mp_uint_t timeutils_seconds_since_epoch_from_nanoseconds_since_1970(uint64_t ns) { - return ns / 1000000000ULL - TIMEUTILS_SECONDS_1970_TO_2000; +static inline int64_t timeutils_seconds_since_epoch_to_nanoseconds_since_1970(mp_timestamp_t s) { + return ((int64_t)s + TIMEUTILS_SECONDS_1970_TO_2000) * 1000000000LL; } static inline int64_t timeutils_nanoseconds_since_epoch_to_nanoseconds_since_1970(int64_t ns) { - return ns + TIMEUTILS_SECONDS_1970_TO_2000 * 1000000000ULL; + return ns + TIMEUTILS_SECONDS_1970_TO_2000 * 1000000000LL; } #endif -int timeutils_calc_weekday(int y, int m, int d); - #endif // MICROPY_INCLUDED_LIB_TIMEUTILS_TIMEUTILS_H |