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AP_RTC: add get_date_and_time_utc

This commit is contained in:
Randy Mackay 2023-06-27 10:36:58 +09:00
parent cf77a564fd
commit e213e7e428
2 changed files with 27 additions and 0 deletions
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23
libraries/AP_RTC/AP_RTC.cpp
View File

@ -205,6 +205,29 @@ uint32_t AP_RTC::get_time_utc(int32_t hour, int32_t min, int32_t sec, int32_t ms
return static_cast<uint32_t>(total_delay_ms);
}
// get date and time. Returns true on success and fills in year, month, day, hour, min, sec and ms
// year is the regular Gregorian year, month is 0~11, day is 1~31, hour is 0~23, minute is 0~59, second is 0~60 (1 leap second)
bool AP_RTC::get_date_and_time_utc(uint16_t& year, uint8_t& month, uint8_t& day, uint8_t &hour, uint8_t &min, uint8_t &sec) const
{
// get local time of day in ms
uint64_t time_us = 0;
if (!get_utc_usec(time_us)) {
return false;
}
time_t utc_sec = time_us / (1000U * 1000U);
struct tm* tm = gmtime(&utc_sec);
if (tm == nullptr) {
return false;
}
year = tm->tm_year+1900; /* Year - 1900. */
month = tm->tm_mon; /* Month. [0-11] */
day = tm->tm_mday; /* Day. [1-31] */
hour = tm->tm_hour; /* Hours. [0-23] */
min = tm->tm_min; /* Minutes. [0-59] */
sec = tm->tm_sec; /* Seconds. [0-60] (1 leap second) */
return true;
}
// singleton instance
AP_RTC *AP_RTC::_singleton;

4
libraries/AP_RTC/AP_RTC.h
View File

@ -44,6 +44,10 @@ public:
uint32_t get_time_utc(int32_t hour, int32_t min, int32_t sec, int32_t ms);
// get date and time. Returns true on success and fills in year, month, day, hour, min, sec and ms
// year is the regular Gregorian year, month is 0~11, day is 1~31, hour is 0~23, minute is 0~59, second is 0~60 (1 leap second)
bool get_date_and_time_utc(uint16_t& year, uint8_t& month, uint8_t& day, uint8_t &hour, uint8_t &min, uint8_t &sec) const;
// get singleton instance
static AP_RTC *get_singleton() {
return _singleton;