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-rw-r--r--stmhal/modtime.c88
-rw-r--r--stmhal/portmodules.h1
-rw-r--r--tests/pyb/modtime.py38
-rw-r--r--tests/pyb/modtime.py.exp34
4 files changed, 117 insertions, 44 deletions
diff --git a/stmhal/modtime.c b/stmhal/modtime.c
index f6bde274ff..bbcb2a5fd6 100644
--- a/stmhal/modtime.c
+++ b/stmhal/modtime.c
@@ -36,21 +36,6 @@
#include "portmodules.h"
#include "rtc.h"
-#define DAYS_PER_400Y (365*400 + 97)
-#define DAYS_PER_100Y (365*100 + 24)
-#define DAYS_PER_4Y (365*4 + 1)
-
-typedef struct {
- uint16_t tm_year; // i.e. 2014
- uint8_t tm_mon; // 1..12
- uint8_t tm_mday; // 1..31
- uint8_t tm_hour; // 0..23
- uint8_t tm_min; // 0..59
- uint8_t tm_sec; // 0..59
- uint8_t tm_wday; // 0..6 0 = Monday
- uint16_t tm_yday; // 1..366
-} mod_struct_time;
-
/// \module time - time related functions
///
/// The `time` module provides functions for getting the current time and date,
@@ -63,7 +48,7 @@ STATIC bool is_leap_year(mp_uint_t year) {
}
// Month is one based
-STATIC mp_uint_t days_in_month(mp_uint_t year, mp_uint_t month) {
+STATIC mp_uint_t mod_time_days_in_month(mp_uint_t year, mp_uint_t month) {
mp_uint_t mdays = days_since_jan1[month] - days_since_jan1[month - 1];
if (month == 2 && is_leap_year(year)) {
mdays++;
@@ -73,7 +58,7 @@ STATIC mp_uint_t days_in_month(mp_uint_t year, mp_uint_t month) {
// compute the day of the year, between 1 and 366
// month should be between 1 and 12, date should start at 1
-mp_uint_t mod_time_year_day(mp_uint_t year, mp_uint_t month, mp_uint_t date) {
+STATIC mp_uint_t mod_time_year_day(mp_uint_t year, mp_uint_t month, mp_uint_t date) {
mp_uint_t yday = days_since_jan1[month - 1] + date;
if (month >= 3 && is_leap_year(year)) {
yday += 1;
@@ -102,11 +87,24 @@ mp_uint_t mod_time_seconds_since_2000(mp_uint_t year, mp_uint_t month, mp_uint_t
#define LEAPOCH ((31 + 29) * 86400)
-void mod_time_seconds_since_2000_to_struct_time(mp_uint_t t, mod_struct_time *tm) {
- memset(tm, 0, sizeof(*tm));
+#define DAYS_PER_400Y (365*400 + 97)
+#define DAYS_PER_100Y (365*100 + 24)
+#define DAYS_PER_4Y (365*4 + 1)
+
+typedef struct {
+ uint16_t tm_year; // i.e. 2014
+ uint8_t tm_mon; // 1..12
+ uint8_t tm_mday; // 1..31
+ uint8_t tm_hour; // 0..23
+ uint8_t tm_min; // 0..59
+ uint8_t tm_sec; // 0..59
+ uint8_t tm_wday; // 0..6 0 = Monday
+ uint16_t tm_yday; // 1..366
+} mod_struct_time;
+STATIC void mod_time_seconds_since_2000_to_struct_time(mp_uint_t t, mod_struct_time *tm) {
// The following algorithm was adapted from musl's __secs_to_tm and adapted
- // for differences in MicroPython's timebase.
+ // for differences in Micro Python's timebase.
mp_int_t seconds = t - LEAPOCH;
@@ -146,6 +144,7 @@ void mod_time_seconds_since_2000_to_struct_time(mp_uint_t t, mod_struct_time *tm
}
days -= (years * 365);
+ /* We will compute tm_yday at the very end
mp_int_t leap = !years && (q_cycles || !c_cycles);
tm->tm_yday = days + 31 + 28 + leap;
@@ -153,10 +152,13 @@ void mod_time_seconds_since_2000_to_struct_time(mp_uint_t t, mod_struct_time *tm
tm->tm_yday -= 365 + leap;
}
+ tm->tm_yday++; // Make one based
+ */
+
tm->tm_year = 2000 + years + 4 * q_cycles + 100 * c_cycles + 400 * qc_cycles;
// Note: days_in_month[0] corresponds to March
- static const int8_t days_in_month[] = {31, 30, 31, 30, 31, 31, 30, 31, 30, 31, 31, 29};
+ STATIC const int8_t days_in_month[] = {31, 30, 31, 30, 31, 31, 30, 31, 30, 31, 31, 29};
mp_int_t month;
for (month = 0; days_in_month[month] <= days; month++) {
@@ -170,9 +172,9 @@ void mod_time_seconds_since_2000_to_struct_time(mp_uint_t t, mod_struct_time *tm
}
tm->tm_mday = days + 1; // Make one based
tm->tm_mon++; // Make one based
- tm->tm_yday++; // Make one based
-}
+ tm->tm_yday = mod_time_year_day(tm->tm_year, tm->tm_mon, tm->tm_mday);
+}
/// \function localtime([secs])
/// Convert a time expressed in seconds since Jan 1, 2000 into an 8-tuple which
@@ -205,22 +207,22 @@ STATIC mp_obj_t time_localtime(uint n_args, const mp_obj_t *args) {
mp_obj_new_int(mod_time_year_day(2000 + date.Year, date.Month, date.Date)),
};
return mp_obj_new_tuple(8, tuple);
+ } else {
+ mp_int_t seconds = mp_obj_get_int(args[0]);
+ mod_struct_time tm;
+ mod_time_seconds_since_2000_to_struct_time(seconds, &tm);
+ mp_obj_t tuple[8] = {
+ tuple[0] = mp_obj_new_int(tm.tm_year),
+ tuple[1] = mp_obj_new_int(tm.tm_mon),
+ tuple[2] = mp_obj_new_int(tm.tm_mday),
+ tuple[3] = mp_obj_new_int(tm.tm_hour),
+ tuple[4] = mp_obj_new_int(tm.tm_min),
+ tuple[5] = mp_obj_new_int(tm.tm_sec),
+ tuple[6] = mp_obj_new_int(tm.tm_wday),
+ tuple[7] = mp_obj_new_int(tm.tm_yday),
+ };
+ return mp_obj_new_tuple(8, tuple);
}
-
- mp_int_t seconds = mp_obj_get_int(args[0]);
- mod_struct_time tm;
- mod_time_seconds_since_2000_to_struct_time(seconds, &tm);
- mp_obj_t tuple[8] = {
- mp_obj_new_int(tm.tm_year),
- mp_obj_new_int(tm.tm_mon),
- mp_obj_new_int(tm.tm_mday),
- mp_obj_new_int(tm.tm_hour),
- mp_obj_new_int(tm.tm_min),
- mp_obj_new_int(tm.tm_sec),
- mp_obj_new_int(tm.tm_wday),
- mp_obj_new_int(tm.tm_yday),
- };
- return mp_obj_new_tuple(8, tuple);
}
MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(time_localtime_obj, 0, 1, time_localtime);
@@ -248,12 +250,12 @@ STATIC mp_obj_t time_mktime(mp_obj_t tuple) {
mp_int_t minutes = mp_obj_get_int(elem[4]);
mp_int_t seconds = mp_obj_get_int(elem[5]);
- // Normalize the tuple. This allows things like:
+ // Normalise the tuple. This allows things like:
//
// tm_tomorrow = list(time.localtime())
// tm_tomorrow[2] += 1 # Adds 1 to mday
// tomorrow = time.mktime(tm_tommorrow)
- //
+ //
// And not have to worry about all the weird overflows.
//
// You can subtract dates/times this way as well.
@@ -289,10 +291,10 @@ STATIC mp_obj_t time_mktime(mp_obj_t tuple) {
month = 12;
year--;
}
- mday += days_in_month(year, month);
+ mday += mod_time_days_in_month(year, month);
}
- while (mday > days_in_month(year, month)) {
- mday -= days_in_month(year, month);
+ while (mday > mod_time_days_in_month(year, month)) {
+ mday -= mod_time_days_in_month(year, month);
if (++month == 13) {
month = 1;
year++;
diff --git a/stmhal/portmodules.h b/stmhal/portmodules.h
index d8a3d8f879..491df6bc49 100644
--- a/stmhal/portmodules.h
+++ b/stmhal/portmodules.h
@@ -31,5 +31,4 @@ extern const mp_obj_module_t time_module;
// additional helper functions exported by the modules
-mp_uint_t mod_time_year_day(mp_uint_t year, mp_uint_t month, mp_uint_t date);
mp_uint_t mod_time_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);
diff --git a/tests/pyb/modtime.py b/tests/pyb/modtime.py
new file mode 100644
index 0000000000..de6f8fbc6b
--- /dev/null
+++ b/tests/pyb/modtime.py
@@ -0,0 +1,38 @@
+import time
+
+DAYS_PER_MONTH = [0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
+
+def is_leap(year):
+ return (year % 4) == 0
+
+def test():
+ seconds = 0
+ wday = 5 # Jan 1, 2000 was a Saturday
+ for year in range(2000, 2034):
+ print("Testing %d" % year)
+ yday = 1
+ for month in range(1, 13):
+ if month == 2 and is_leap(year):
+ DAYS_PER_MONTH[2] = 29
+ else:
+ DAYS_PER_MONTH[2] = 28
+ for day in range(1, DAYS_PER_MONTH[month] + 1):
+ secs = time.mktime((year, month, day, 0, 0, 0, 0, 0))
+ if secs != seconds:
+ print("mktime failed for %d-%02d-%02d got %d expected %d" % (year, month, day, secs, seconds))
+ tuple = time.localtime(seconds)
+ secs = time.mktime(tuple)
+ if secs != seconds:
+ print("localtime failed for %d-%02d-%02d got %d expected %d" % (year, month, day, secs, seconds))
+ return
+ seconds += 86400
+ if yday != tuple[7]:
+ print("locatime for %d-%02d-%02d got yday %d, expecting %d" % (year, month, day, tuple[7], yday))
+ return
+ if wday != tuple[6]:
+ print("locatime for %d-%02d-%02d got wday %d, expecting %d" % (year, month, day, tuple[6], wday))
+ return
+ yday += 1
+ wday = (wday + 1) % 7
+
+test()
diff --git a/tests/pyb/modtime.py.exp b/tests/pyb/modtime.py.exp
new file mode 100644
index 0000000000..0bf7c43f98
--- /dev/null
+++ b/tests/pyb/modtime.py.exp
@@ -0,0 +1,34 @@
+Testing 2000
+Testing 2001
+Testing 2002
+Testing 2003
+Testing 2004
+Testing 2005
+Testing 2006
+Testing 2007
+Testing 2008
+Testing 2009
+Testing 2010
+Testing 2011
+Testing 2012
+Testing 2013
+Testing 2014
+Testing 2015
+Testing 2016
+Testing 2017
+Testing 2018
+Testing 2019
+Testing 2020
+Testing 2021
+Testing 2022
+Testing 2023
+Testing 2024
+Testing 2025
+Testing 2026
+Testing 2027
+Testing 2028
+Testing 2029
+Testing 2030
+Testing 2031
+Testing 2032
+Testing 2033
generated by cgit v1.2.3 (git 2.39.1) at 2025-06-24 14:28:14 +0000