mimxrt/modutime: Extend the time module.
Methods added: - time.time() - time.time_ns() - time.gmtime() - time.localtime() - time.mktime() The rp2 port was uses as the template for the change.
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@ -150,6 +150,7 @@ SRC_C = \
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hal/flexspi_nor_flash.c \
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lib/mp-readline/readline.c \
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lib/libc/string0.c \
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lib/timeutils/timeutils.c \
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lib/utils/gchelper_native.c \
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lib/utils/mpirq.c \
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lib/utils/printf.c \
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@ -42,7 +42,7 @@ uint32_t us_offset = 0;
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// Calculate the weekday from the date.
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// The result is zero based with 0 = Monday.
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// by Michael Keith and Tom Craver, 1990.
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static int calc_weekday(int y, int m, int d) {
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int calc_weekday(int y, int m, int d) {
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return ((d += m < 3 ? y-- : y - 2, 23 * m / 9 + d + 4 + y / 4 - y / 100 + y / 400) + 6) % 7;
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}
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@ -25,11 +25,92 @@
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* THE SOFTWARE.
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*/
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#include "py/runtime.h"
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#include "lib/timeutils/timeutils.h"
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#include "extmod/utime_mphal.h"
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#include "fsl_snvs_lp.h"
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extern int calc_weekday(int y, int m, int d);
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// localtime([secs])
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// Convert a time expressed in seconds since the Epoch into an 8-tuple which
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// contains: (year, month, mday, hour, minute, second, weekday, yearday)
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// If secs is not provided or None, then the current time from the RTC is used.
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STATIC mp_obj_t time_localtime(size_t n_args, const mp_obj_t *args) {
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if (n_args == 0 || args[0] == mp_const_none) {
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// Get current date and time.
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snvs_lp_srtc_datetime_t t;
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SNVS_LP_SRTC_GetDatetime(SNVS, &t);
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mp_obj_t tuple[8] = {
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mp_obj_new_int(t.year),
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mp_obj_new_int(t.month),
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mp_obj_new_int(t.day),
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mp_obj_new_int(t.hour),
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mp_obj_new_int(t.minute),
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mp_obj_new_int(t.second),
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mp_obj_new_int(calc_weekday(t.year, t.month, t.day)),
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mp_obj_new_int(timeutils_year_day(t.year, t.month, t.day)),
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};
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return mp_obj_new_tuple(8, tuple);
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} else {
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// Convert given seconds to tuple.
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mp_int_t seconds = mp_obj_get_int(args[0]);
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timeutils_struct_time_t tm;
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timeutils_seconds_since_epoch_to_struct_time(seconds, &tm);
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mp_obj_t tuple[8] = {
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tuple[0] = mp_obj_new_int(tm.tm_year),
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tuple[1] = mp_obj_new_int(tm.tm_mon),
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tuple[2] = mp_obj_new_int(tm.tm_mday),
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tuple[3] = mp_obj_new_int(tm.tm_hour),
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tuple[4] = mp_obj_new_int(tm.tm_min),
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tuple[5] = mp_obj_new_int(tm.tm_sec),
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tuple[6] = mp_obj_new_int(tm.tm_wday),
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tuple[7] = mp_obj_new_int(tm.tm_yday),
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};
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return mp_obj_new_tuple(8, tuple);
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}
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}
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MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(time_localtime_obj, 0, 1, time_localtime);
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// mktime()
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// This is inverse function of localtime. It's argument is a full 8-tuple
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// which expresses a time as per localtime. It returns an integer which is
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// the number of seconds since the Epoch.
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STATIC mp_obj_t time_mktime(mp_obj_t tuple) {
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size_t len;
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mp_obj_t *elem;
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mp_obj_get_array(tuple, &len, &elem);
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// localtime generates a tuple of len 8. CPython uses 9, so we accept both.
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if (len < 8 || len > 9) {
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mp_raise_TypeError(MP_ERROR_TEXT("mktime needs a tuple of length 8 or 9"));
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}
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return mp_obj_new_int_from_uint(timeutils_mktime(mp_obj_get_int(elem[0]),
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mp_obj_get_int(elem[1]), mp_obj_get_int(elem[2]), mp_obj_get_int(elem[3]),
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mp_obj_get_int(elem[4]), mp_obj_get_int(elem[5])));
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}
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MP_DEFINE_CONST_FUN_OBJ_1(time_mktime_obj, time_mktime);
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// time()
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// Return the number of seconds since the Epoch.
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STATIC mp_obj_t time_time(void) {
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snvs_lp_srtc_datetime_t t;
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SNVS_LP_SRTC_GetDatetime(SNVS, &t);
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return mp_obj_new_int_from_ull(timeutils_seconds_since_epoch(t.year, t.month, t.day, t.hour, t.minute, t.second));
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(time_time_obj, time_time);
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STATIC const mp_rom_map_elem_t time_module_globals_table[] = {
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{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_utime) },
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{ MP_ROM_QSTR(MP_QSTR_gmtime), MP_ROM_PTR(&time_localtime_obj) },
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{ MP_ROM_QSTR(MP_QSTR_localtime), MP_ROM_PTR(&time_localtime_obj) },
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{ MP_ROM_QSTR(MP_QSTR_mktime), MP_ROM_PTR(&time_mktime_obj) },
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{ MP_ROM_QSTR(MP_QSTR_time), MP_ROM_PTR(&time_time_obj) },
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{ MP_ROM_QSTR(MP_QSTR_time_ns), MP_ROM_PTR(&mp_utime_time_ns_obj) },
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{ MP_ROM_QSTR(MP_QSTR_sleep), MP_ROM_PTR(&mp_utime_sleep_obj) },
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{ MP_ROM_QSTR(MP_QSTR_sleep_ms), MP_ROM_PTR(&mp_utime_sleep_ms_obj) },
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{ MP_ROM_QSTR(MP_QSTR_sleep_us), MP_ROM_PTR(&mp_utime_sleep_us_obj) },
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@ -28,8 +28,10 @@
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#include "py/runtime.h"
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#include "py/stream.h"
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#include "py/mphal.h"
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#include "lib/timeutils/timeutils.h"
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#include "ticks.h"
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#include "tusb.h"
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#include "fsl_snvs_lp.h"
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#include CPU_HEADER_H
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@ -94,3 +96,10 @@ void mp_hal_stdout_tx_strn(const char *str, mp_uint_t len) {
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// USARTx->USART.DATA.bit.DATA = *str++;
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// }
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}
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uint64_t mp_hal_time_ns(void) {
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snvs_lp_srtc_datetime_t t;
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SNVS_LP_SRTC_GetDatetime(SNVS, &t);
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uint64_t s = timeutils_seconds_since_epoch(t.year, t.month, t.day, t.hour, t.minute, t.second);
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return s * 1000000000ULL;
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}
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@ -76,9 +76,5 @@ static inline mp_uint_t mp_hal_ticks_cpu(void) {
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return 0;
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}
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static inline uint64_t mp_hal_time_ns(void) {
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// TODO: Implement this function.
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return 0UL;
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}
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#endif // MICROPY_INCLUDED_MIMXRT_MPHALPORT_H
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