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rase error if Alarm time >= 512 sec.

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This commit is contained in:
jun2sak 2021-02-26 09:06:11 +09:00
parent 277a67d876
commit 7fd4648cd5
2 changed files with 5 additions and 4 deletions
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2
locale/circuitpython.pot
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@ -308,7 +308,7 @@ msgid "Address type out of range"
msgstr ""
#: ports/nrf/common-hal/alarm/time/TimeAlarm.c
msgid "Alarm time is too far."
msgid "Alarm time must be < 512 seconds."
msgstr ""
#: ports/esp32s2/common-hal/canio/CAN.c

7
ports/nrf/common-hal/alarm/time/TimeAlarm.c
View File

@ -86,12 +86,13 @@ void alarm_time_timealarm_set_alarms(bool deep_sleep, size_t n_alarms, const mp_
mp_float_t now_secs = uint64_to_float(common_hal_time_monotonic_ms()) / 1000.0f;
mp_float_t wakeup_in_secs = MAX(0.0f, timealarm->monotonic_time - now_secs);
int wsecs = (int)(wakeup_in_secs);
if (wsecs > 510) { //XXX
mp_raise_ValueError(translate("Alarm time is too far."));
// timealarm is implemented by RTC, which is a 24bit counter
// running at 32768Hz. So, 2^24 / 32768 = 512sec is an upper limit.
if (wsecs >= 512) {
mp_raise_ValueError(translate("Alarm time must be < 512 seconds."));
}
uint32_t wakeup_in_ticks = (uint32_t)(wakeup_in_secs * 1024.0f);
//printf("alarm_time_timealarm_set_alarms() %d secs 0x%08X ticks\r\n", wsecs, (int)wakeup_in_ticks);
port_interrupt_after_ticks_ch(1, wakeup_in_ticks);
rtc_woke_up_counter = 0;
}