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-rw-r--r--extmod/vfs_fat.c8
-rw-r--r--lib/timeutils/timeutils.c13
-rw-r--r--lib/timeutils/timeutils.h7
-rw-r--r--ports/atmel-samd/fatfs_port.c9
-rw-r--r--shared-bindings/time/__init__.c14
-rw-r--r--tests/extmod/vfs_fat_ramdisk.py.exp2
6 files changed, 37 insertions, 16 deletions
diff --git a/extmod/vfs_fat.c b/extmod/vfs_fat.c
index e2982c719..945ba9e80 100644
--- a/extmod/vfs_fat.c
+++ b/extmod/vfs_fat.c
@@ -320,7 +320,7 @@ STATIC mp_obj_t fat_vfs_stat(mp_obj_t vfs_in, mp_obj_t path_in) {
} else {
mode |= MP_S_IFREG;
}
- mp_int_t seconds = timeutils_seconds_since_2000(
+ mp_uint_t seconds = timeutils_seconds_since_epoch(
1980 + ((fno.fdate >> 9) & 0x7f),
(fno.fdate >> 5) & 0x0f,
fno.fdate & 0x1f,
@@ -335,9 +335,9 @@ STATIC mp_obj_t fat_vfs_stat(mp_obj_t vfs_in, mp_obj_t path_in) {
t->items[4] = MP_OBJ_NEW_SMALL_INT(0); // st_uid
t->items[5] = MP_OBJ_NEW_SMALL_INT(0); // st_gid
t->items[6] = mp_obj_new_int_from_uint(fno.fsize); // st_size
- t->items[7] = MP_OBJ_NEW_SMALL_INT(seconds); // st_atime
- t->items[8] = MP_OBJ_NEW_SMALL_INT(seconds); // st_mtime
- t->items[9] = MP_OBJ_NEW_SMALL_INT(seconds); // st_ctime
+ t->items[7] = mp_obj_new_int_from_uint(seconds); // st_atime
+ t->items[8] = mp_obj_new_int_from_uint(seconds); // st_mtime
+ t->items[9] = mp_obj_new_int_from_uint(seconds); // st_ctime
return MP_OBJ_FROM_PTR(t);
}
diff --git a/lib/timeutils/timeutils.c b/lib/timeutils/timeutils.c
index eb3dc80d4..b93a85dee 100644
--- a/lib/timeutils/timeutils.c
+++ b/lib/timeutils/timeutils.c
@@ -158,6 +158,17 @@ mp_uint_t timeutils_seconds_since_2000(mp_uint_t year, mp_uint_t month,
+ (year - 2000) * 31536000;
}
+void timeutils_seconds_since_epoch_to_struct_time(mp_uint_t t, timeutils_struct_time_t *tm) {
+ t -= EPOCH1970_EPOCH2000_DIFF_SECS;
+ timeutils_seconds_since_2000_to_struct_time(t, tm);
+}
+
+mp_uint_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) {
+ mp_uint_t t = timeutils_seconds_since_2000(year, month, date, hour, minute, second);
+ return t + EPOCH1970_EPOCH2000_DIFF_SECS;
+}
+
mp_uint_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) {
@@ -211,5 +222,5 @@ mp_uint_t timeutils_mktime(mp_uint_t year, mp_int_t month, mp_int_t mday,
year++;
}
}
- return timeutils_seconds_since_2000(year, month, mday, hours, minutes, seconds);
+ return timeutils_seconds_since_epoch(year, month, mday, hours, minutes, seconds);
}
diff --git a/lib/timeutils/timeutils.h b/lib/timeutils/timeutils.h
index 9b1abeb8f..0ca6bb167 100644
--- a/lib/timeutils/timeutils.h
+++ b/lib/timeutils/timeutils.h
@@ -27,6 +27,8 @@
#ifndef MICROPY_INCLUDED_LIB_TIMEUTILS_TIMEUTILS_H
#define MICROPY_INCLUDED_LIB_TIMEUTILS_TIMEUTILS_H
+#define EPOCH1970_EPOCH2000_DIFF_SECS 946684800
+
typedef struct _timeutils_struct_time_t {
uint16_t tm_year; // i.e. 2014
uint8_t tm_mon; // 1..12
@@ -48,6 +50,11 @@ void timeutils_seconds_since_2000_to_struct_time(mp_uint_t t,
mp_uint_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);
+void timeutils_seconds_since_epoch_to_struct_time(mp_uint_t t, timeutils_struct_time_t *tm);
+
+mp_uint_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);
+
mp_uint_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);
diff --git a/ports/atmel-samd/fatfs_port.c b/ports/atmel-samd/fatfs_port.c
index e1eba350a..67c6c9d35 100644
--- a/ports/atmel-samd/fatfs_port.c
+++ b/ports/atmel-samd/fatfs_port.c
@@ -28,8 +28,13 @@
#include "py/runtime.h"
#include "lib/oofatfs/ff.h" /* FatFs lower layer API */
#include "lib/oofatfs/diskio.h" /* FatFs lower layer API */
+#include "lib/timeutils/timeutils.h"
+#include "shared-bindings/rtc/RTC.h"
DWORD get_fattime(void) {
- // TODO(tannewt): Support the RTC.
- return ((2016 - 1980) << 25) | ((9) << 21) | ((1) << 16) | ((16) << 11) | ((43) << 5) | (35 / 2);
+ timeutils_struct_time_t tm;
+ common_hal_rtc_get_time(&tm);
+
+ return ((tm.tm_year - 1980) << 25) | (tm.tm_mon << 21) | (tm.tm_mday << 16) |
+ (tm.tm_hour << 11) | (tm.tm_min << 5) | (tm.tm_sec >> 1);
}
diff --git a/shared-bindings/time/__init__.c b/shared-bindings/time/__init__.c
index 83bbbe2cd..4d9554569 100644
--- a/shared-bindings/time/__init__.c
+++ b/shared-bindings/time/__init__.c
@@ -36,8 +36,6 @@
#include "shared-bindings/time/__init__.h"
#include "supervisor/shared/translate.h"
-#define EPOCH1970_EPOCH2000_DIFF_SECS 946684800
-
//| :mod:`time` --- time and timing related functions
//| ========================================================
//|
@@ -142,9 +140,9 @@ const mp_obj_namedtuple_type_t struct_time_type_obj = {
mp_obj_t struct_time_from_tm(timeutils_struct_time_t *tm) {
timeutils_struct_time_t tmp;
- mp_uint_t secs = timeutils_seconds_since_2000(tm->tm_year, tm->tm_mon, tm->tm_mday,
+ mp_uint_t secs = timeutils_seconds_since_epoch(tm->tm_year, tm->tm_mon, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec);
- timeutils_seconds_since_2000_to_struct_time(secs, &tmp);
+ timeutils_seconds_since_epoch_to_struct_time(secs, &tmp);
tm->tm_wday = tmp.tm_wday;
tm->tm_yday = tmp.tm_yday;
@@ -202,9 +200,9 @@ mp_obj_t MP_WEAK rtc_get_time_source_time(void) {
STATIC mp_obj_t time_time(void) {
timeutils_struct_time_t tm;
struct_time_to_tm(rtc_get_time_source_time(), &tm);
- mp_uint_t secs = timeutils_seconds_since_2000(tm.tm_year, tm.tm_mon, tm.tm_mday,
+ mp_uint_t secs = timeutils_seconds_since_epoch(tm.tm_year, tm.tm_mon, tm.tm_mday,
tm.tm_hour, tm.tm_min, tm.tm_sec);
- return mp_obj_new_int_from_uint(secs + EPOCH1970_EPOCH2000_DIFF_SECS);
+ return mp_obj_new_int_from_uint(secs);
}
MP_DEFINE_CONST_FUN_OBJ_0(time_time_obj, time_time);
@@ -228,7 +226,7 @@ STATIC mp_obj_t time_localtime(size_t n_args, const mp_obj_t *args) {
mp_raise_msg(&mp_type_OverflowError, translate("timestamp out of range for platform time_t"));
timeutils_struct_time_t tm;
- timeutils_seconds_since_2000_to_struct_time(secs - EPOCH1970_EPOCH2000_DIFF_SECS, &tm);
+ timeutils_seconds_since_epoch_to_struct_time(secs, &tm);
return struct_time_from_tm(&tm);
}
@@ -262,7 +260,7 @@ STATIC mp_obj_t time_mktime(mp_obj_t t) {
mp_uint_t secs = timeutils_mktime(mp_obj_get_int(elem[0]), mp_obj_get_int(elem[1]), mp_obj_get_int(elem[2]),
mp_obj_get_int(elem[3]), mp_obj_get_int(elem[4]), mp_obj_get_int(elem[5]));
- return mp_obj_new_int_from_uint(secs + EPOCH1970_EPOCH2000_DIFF_SECS);
+ return mp_obj_new_int_from_uint(secs);
}
MP_DEFINE_CONST_FUN_OBJ_1(time_mktime_obj, time_mktime);
#endif // MICROPY_LONGINT_IMPL
diff --git a/tests/extmod/vfs_fat_ramdisk.py.exp b/tests/extmod/vfs_fat_ramdisk.py.exp
index ecae81589..704408cd0 100644
--- a/tests/extmod/vfs_fat_ramdisk.py.exp
+++ b/tests/extmod/vfs_fat_ramdisk.py.exp
@@ -5,7 +5,7 @@ statvfs: (512, 512, 16, 16, 16, 0, 0, 0, 0, 255)
getcwd: /
True
[('foo_file.txt', 32768, 0, 6)]
-stat root: (16384, 0, 0, 0, 0, 0, 0, 0, 0, 0)
+stat root: (16384, 0, 0, 0, 0, 0, 0, 946684800, 946684800, 946684800)
stat file: (32768, 0, 0, 0, 0, 0, 6)
True
True
generated by cgit v1.2.3 (git 2.39.1) at 2026-08-08 19:58:20 +0000