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configTime(tzsec,dstsec,): fix UTC/local management (#6993)
* configTime(tzsec,dstsec,): fix UTC/local management This PR also remove dead code since probably newlib updates The NTP-TZ-DST example is also updated * restore sntp_set_timezone_in_seconds() fixes #6678 * +configTzTime()
This commit is contained in:
david gauchard
GitHub
parent
e752e96e9f
commit
f066ed2495
@ -281,6 +281,13 @@ void configTime(int timezone, int daylightOffset_sec, const char* server1,
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void configTime(const char* tz, const char* server1,
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const char* server2 = nullptr, const char* server3 = nullptr);
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// esp32 api compatibility
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inline void configTzTime(const char* tz, const char* server1,
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const char* server2 = nullptr, const char* server3 = nullptr)
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{
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configTime(tz, server1, server2, server3);
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}
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#endif // __cplusplus
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#include "pins_arduino.h"
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@ -13,12 +13,14 @@ extern "C" {
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#include <cont.h> // g_pcont declaration
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extern bool timeshift64_is_set;
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extern uint32_t sntp_real_timestamp;
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bool can_yield();
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void esp_yield();
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void esp_schedule();
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void tune_timeshift64 (uint64_t now_us);
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void disable_extra4k_at_link_time (void) __attribute__((noinline));
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bool sntp_set_timezone_in_seconds(int32_t timezone);
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uint32_t sqrt32 (uint32_t n);
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uint32_t crc32 (const void* data, size_t length, uint32_t crc = 0xffffffff);
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@ -40,6 +40,7 @@
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#include <lwip/init.h>
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#include <time.h>
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#include <sys/time.h>
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#include <errno.h>
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#include <osapi.h>
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#include <os_type.h>
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#include "coredecls.h"
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@ -65,7 +66,7 @@ extern "C" {
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static const char stod14[] PROGMEM = "settimeofday() can't set time!\n";
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bool sntp_set_timezone(sint8 timezone);
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bool sntp_set_timezone_in_seconds(sint32 timezone)
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bool sntp_set_timezone_in_seconds(int32_t timezone)
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{
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return sntp_set_timezone((sint8)(timezone/(60*60))); //TODO: move this to the same file as sntp_set_timezone() in lwip1.4, and implement correctly over there.
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}
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@ -99,372 +100,31 @@ int settimeofday(const struct timeval* tv, const struct timezone* tz)
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#include <lwip/apps/sntp.h>
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static uint32 realtime_stamp = 0;
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static uint16 dst = 0;
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static sint32 time_zone = 8 * (60 * 60); // espressif HQ's default timezone
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uint32_t sntp_real_timestamp = 0;
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LOCAL os_timer_t sntp_timer;
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/*****************************************/
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#define SECSPERMIN 60L
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#define MINSPERHOUR 60L
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#define HOURSPERDAY 24L
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#define SECSPERHOUR (SECSPERMIN * MINSPERHOUR)
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#define SECSPERDAY (SECSPERHOUR * HOURSPERDAY)
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#define DAYSPERWEEK 7
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#define MONSPERYEAR 12
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#define YEAR_BASE 1900
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#define EPOCH_YEAR 1970
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#define EPOCH_WDAY 4
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#define EPOCH_YEARS_SINCE_LEAP 2
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#define EPOCH_YEARS_SINCE_CENTURY 70
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#define EPOCH_YEARS_SINCE_LEAP_CENTURY 370
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#define isleap(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0)
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int __tznorth;
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int __tzyear;
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char reult[100];
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static const int mon_lengths[2][12] = {
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{31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
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{31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}
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} ;
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static const int year_lengths[2] = {
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365,
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366
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} ;
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struct tm res_buf;
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__tzrule_type sntp__tzrule[2];
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struct tm *
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sntp_mktm_r(const time_t * tim_p ,struct tm *res ,int is_gmtime)
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{
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long days, rem;
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time_t lcltime;
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int y;
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int yleap;
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const int *ip;
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/* base decision about std/dst time on current time */
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lcltime = *tim_p;
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days = ((long)lcltime) / SECSPERDAY;
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rem = ((long)lcltime) % SECSPERDAY;
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while (rem < 0)
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{
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rem += SECSPERDAY;
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--days;
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}
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while (rem >= SECSPERDAY)
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{
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rem -= SECSPERDAY;
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++days;
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}
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/* compute hour, min, and sec */
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res->tm_hour = (int) (rem / SECSPERHOUR);
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rem %= SECSPERHOUR;
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res->tm_min = (int) (rem / SECSPERMIN);
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res->tm_sec = (int) (rem % SECSPERMIN);
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/* compute day of week */
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if ((res->tm_wday = ((EPOCH_WDAY + days) % DAYSPERWEEK)) < 0)
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res->tm_wday += DAYSPERWEEK;
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/* compute year & day of year */
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y = EPOCH_YEAR;
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if (days >= 0)
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{
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for (;;)
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{
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yleap = isleap(y);
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if (days < year_lengths[yleap])
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break;
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y++;
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days -= year_lengths[yleap];
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}
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}
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else
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{
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do
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{
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--y;
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yleap = isleap(y);
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days += year_lengths[yleap];
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} while (days < 0);
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}
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res->tm_year = y - YEAR_BASE;
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res->tm_yday = days;
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ip = mon_lengths[yleap];
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for (res->tm_mon = 0; days >= ip[res->tm_mon]; ++res->tm_mon)
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days -= ip[res->tm_mon];
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res->tm_mday = days + 1;
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if (!is_gmtime)
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{
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int offset;
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int hours, mins, secs;
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// TZ_LOCK;
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// if (_daylight)
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// {
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// if (y == __tzyear || __tzcalc_limits (y))
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// res->tm_isdst = (__tznorth
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// ? (*tim_p >= __tzrule[0].change && *tim_p < __tzrule[1].change)
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// : (*tim_p >= __tzrule[0].change || *tim_p < __tzrule[1].change));
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// else
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// res->tm_isdst = -1;
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// }
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// else
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res->tm_isdst = -1;
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offset = (res->tm_isdst == 1 ? sntp__tzrule[1].offset : sntp__tzrule[0].offset);
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hours = offset / SECSPERHOUR;
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offset = offset % SECSPERHOUR;
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mins = offset / SECSPERMIN;
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secs = offset % SECSPERMIN;
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res->tm_sec -= secs;
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res->tm_min -= mins;
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res->tm_hour -= hours;
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if (res->tm_sec >= SECSPERMIN)
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{
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res->tm_min += 1;
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res->tm_sec -= SECSPERMIN;
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}
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else if (res->tm_sec < 0)
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{
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res->tm_min -= 1;
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res->tm_sec += SECSPERMIN;
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}
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if (res->tm_min >= MINSPERHOUR)
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{
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res->tm_hour += 1;
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res->tm_min -= MINSPERHOUR;
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}
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else if (res->tm_min < 0)
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{
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res->tm_hour -= 1;
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res->tm_min += MINSPERHOUR;
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}
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if (res->tm_hour >= HOURSPERDAY)
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{
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++res->tm_yday;
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++res->tm_wday;
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if (res->tm_wday > 6)
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res->tm_wday = 0;
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++res->tm_mday;
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res->tm_hour -= HOURSPERDAY;
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if (res->tm_mday > ip[res->tm_mon])
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{
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res->tm_mday -= ip[res->tm_mon];
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res->tm_mon += 1;
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if (res->tm_mon == 12)
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{
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res->tm_mon = 0;
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res->tm_year += 1;
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res->tm_yday = 0;
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}
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}
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}
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else if (res->tm_hour < 0)
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{
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res->tm_yday -= 1;
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res->tm_wday -= 1;
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if (res->tm_wday < 0)
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res->tm_wday = 6;
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res->tm_mday -= 1;
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res->tm_hour += 24;
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if (res->tm_mday == 0)
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{
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res->tm_mon -= 1;
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if (res->tm_mon < 0)
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{
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res->tm_mon = 11;
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res->tm_year -= 1;
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res->tm_yday = 365 + isleap(res->tm_year);
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}
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res->tm_mday = ip[res->tm_mon];
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}
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}
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// TZ_UNLOCK;
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}
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else
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res->tm_isdst = 0;
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// os_printf("res %d %d %d %d %d\n",res->tm_year,res->tm_mon,res->tm_mday,res->tm_yday,res->tm_hour);
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return (res);
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}
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struct tm *
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sntp_localtime_r(const time_t * tim_p ,
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struct tm *res)
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{
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return sntp_mktm_r (tim_p, res, 0);
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}
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struct tm *
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sntp_localtime(const time_t * tim_p)
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{
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return sntp_localtime_r (tim_p, &res_buf);
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}
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int sntp__tzcalc_limits(int year)
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{
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int days, year_days, years;
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int i, j;
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if (year < EPOCH_YEAR)
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return 0;
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__tzyear = year;
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years = (year - EPOCH_YEAR);
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year_days = years * 365 +
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(years - 1 + EPOCH_YEARS_SINCE_LEAP) / 4 - (years - 1 + EPOCH_YEARS_SINCE_CENTURY) / 100 +
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(years - 1 + EPOCH_YEARS_SINCE_LEAP_CENTURY) / 400;
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for (i = 0; i < 2; ++i)
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{
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if (sntp__tzrule[i].ch == 'J')
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days = year_days + sntp__tzrule[i].d + (isleap(year) && sntp__tzrule[i].d >= 60);
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else if (sntp__tzrule[i].ch == 'D')
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days = year_days + sntp__tzrule[i].d;
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else
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{
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int yleap = isleap(year);
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int m_day, m_wday, wday_diff;
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const int *ip = mon_lengths[yleap];
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days = year_days;
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for (j = 1; j < sntp__tzrule[i].m; ++j)
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days += ip[j-1];
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m_wday = (EPOCH_WDAY + days) % DAYSPERWEEK;
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wday_diff = sntp__tzrule[i].d - m_wday;
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if (wday_diff < 0)
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wday_diff += DAYSPERWEEK;
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m_day = (sntp__tzrule[i].n - 1) * DAYSPERWEEK + wday_diff;
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while (m_day >= ip[j-1])
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m_day -= DAYSPERWEEK;
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days += m_day;
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}
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/* store the change-over time in GMT form by adding offset */
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sntp__tzrule[i].change = days * SECSPERDAY + sntp__tzrule[i].s + sntp__tzrule[i].offset;
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}
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__tznorth = (sntp__tzrule[0].change < sntp__tzrule[1].change);
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return 1;
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}
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char* sntp_asctime_r(struct tm *tim_p ,char *result)
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{
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static const char day_name[7][4] = {
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"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
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};
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static const char mon_name[12][4] = {
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"Jan", "Feb", "Mar", "Apr", "May", "Jun",
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"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
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};
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os_sprintf (result, "%s %s %02d %02d:%02d:%02d %02d\n",
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day_name[tim_p->tm_wday],
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mon_name[tim_p->tm_mon],
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tim_p->tm_mday, tim_p->tm_hour, tim_p->tm_min,
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tim_p->tm_sec, 1900 + tim_p->tm_year);
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return result;
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}
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char* sntp_asctime(struct tm *tim_p)
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{
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return sntp_asctime_r (tim_p, reult);
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}
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uint32 ICACHE_RAM_ATTR sntp_get_current_timestamp(void)
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{
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return realtime_stamp;
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}
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char* sntp_get_real_time(time_t t)
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{
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return sntp_asctime(sntp_localtime (&t));
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}
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/* Returns the set timezone in seconds. If the timezone was set as seconds, the fractional part is floored. */
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sint32 sntp_get_timezone_in_seconds(void)
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{
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return time_zone;
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}
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/* Returns the set timezone in hours. If the timezone was set as seconds, the fractional part is floored. */
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sint8 sntp_get_timezone(void)
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{
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return (sint8)(time_zone / (60 * 60));
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}
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/* Sets the timezone in hours. Internally, the timezone is converted to seconds. */
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bool sntp_set_timezone_in_seconds(sint32 timezone)
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{
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if(timezone >= (-11 * (60 * 60)) || timezone <= (13 * (60 * 60))) {
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time_zone = timezone;
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return true;
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}
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return false;
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}
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/* Sets the timezone in hours. Internally, the timezone is converted to seconds. */
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bool sntp_set_timezone(sint8 timezone)
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{
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return sntp_set_timezone_in_seconds((sint32)timezone * 60 * 60);
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}
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void sntp_set_daylight(int daylight)
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{
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dst = daylight;
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}
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void ICACHE_RAM_ATTR sntp_time_inc (void)
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{
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realtime_stamp++;
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}
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static void sntp_set_system_time (uint32_t t)
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{
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realtime_stamp = t + time_zone + dst;
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os_timer_disarm(&sntp_timer);
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os_timer_setfn(&sntp_timer, (os_timer_func_t *)sntp_time_inc, NULL);
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os_timer_arm(&sntp_timer, 1000, 1);
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sntp_real_timestamp++;
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}
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int settimeofday(const struct timeval* tv, const struct timezone* tz)
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{
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if (tz) /*before*/
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{
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sntp_set_timezone_in_seconds(tz->tz_minuteswest * 60);
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// apparently tz->tz_dsttime is a bitfield and should not be further used (cf man)
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sntp_set_daylight(0);
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}
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if (tv) /*after*/
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{
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// reset time subsystem
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tune_timeshift64(tv->tv_sec * 1000000ULL + tv->tv_usec);
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if (tz || !tv)
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// tz is obsolete (cf. man settimeofday)
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return EINVAL;
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sntp_set_system_time(tv->tv_sec);
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// reset time subsystem
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tune_timeshift64(tv->tv_sec * 1000000ULL + tv->tv_usec);
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sntp_real_timestamp = tv->tv_sec;
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os_timer_disarm(&sntp_timer);
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os_timer_setfn(&sntp_timer, (os_timer_func_t *)sntp_time_inc, NULL);
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os_timer_arm(&sntp_timer, 1000, 1);
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if (_settimeofday_cb)
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schedule_recurrent_function_us([](){ _settimeofday_cb(); return false; }, 0);
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if (_settimeofday_cb)
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schedule_recurrent_function_us([](){ _settimeofday_cb(); return false; }, 0);
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}
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return 0;
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}
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@ -1,10 +1,6 @@
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#ifndef __sntp_lwip2_h__
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#define __sntp_lwip2_h__
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extern "C" {
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bool sntp_set_timezone_in_seconds(sint32 timezone);
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}
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#include <coredecls.h>
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#endif
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@ -23,6 +23,8 @@
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#include "sntp.h"
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#include "coredecls.h"
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#include <Arduino.h> // configTime()
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#include "sntp-lwip2.h"
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extern "C" {
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@ -71,14 +73,27 @@ int clock_gettime(clockid_t unused, struct timespec *tp)
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return 0;
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}
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|
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#if LWIP_VERSION_MAJOR == 1
|
||||
// hack for espressif time management included in patched lwIP-1.4
|
||||
#define sntp_real_timestamp sntp_get_current_timestamp()
|
||||
#endif
|
||||
|
||||
#if LWIP_VERSION_MAJOR == 2
|
||||
// backport api
|
||||
bool sntp_set_timezone_in_seconds (int32_t timezone_sec)
|
||||
{
|
||||
configTime(timezone_sec, 0, sntp_getservername(0), sntp_getservername(1), sntp_getservername(2));
|
||||
return true;
|
||||
}
|
||||
#endif
|
||||
|
||||
time_t time(time_t * t)
|
||||
{
|
||||
time_t seconds = sntp_get_current_timestamp();
|
||||
if (t)
|
||||
{
|
||||
*t = seconds;
|
||||
*t = sntp_real_timestamp;
|
||||
}
|
||||
return seconds;
|
||||
return sntp_real_timestamp;
|
||||
}
|
||||
|
||||
int _gettimeofday_r(struct _reent* unused, struct timeval *tp, void *tzp)
|
||||
@ -88,7 +103,7 @@ int _gettimeofday_r(struct _reent* unused, struct timeval *tp, void *tzp)
|
||||
if (tp)
|
||||
{
|
||||
if (!timeshift64_is_set)
|
||||
tune_timeshift64(sntp_get_current_timestamp() * 1000000ULL);
|
||||
tune_timeshift64(sntp_real_timestamp * 1000000ULL);
|
||||
uint64_t currentTime_us = timeshift64 + micros64();
|
||||
tp->tv_sec = currentTime_us / 1000000ULL;
|
||||
tp->tv_usec = currentTime_us % 1000000ULL;
|
||||
@ -100,15 +115,21 @@ int _gettimeofday_r(struct _reent* unused, struct timeval *tp, void *tzp)
|
||||
|
||||
void configTime(int timezone_sec, int daylightOffset_sec, const char* server1, const char* server2, const char* server3)
|
||||
{
|
||||
sntp_stop();
|
||||
char tzstr [64];
|
||||
|
||||
setServer(0, server1);
|
||||
setServer(1, server2);
|
||||
setServer(2, server3);
|
||||
// There is no way to tell when DST starts or stop with this API
|
||||
// So DST is always integrated in TZ
|
||||
// The other API should be preferred
|
||||
|
||||
sntp_set_timezone_in_seconds(timezone_sec);
|
||||
sntp_set_daylight(daylightOffset_sec);
|
||||
sntp_init();
|
||||
int tzs = daylightOffset_sec + timezone_sec;
|
||||
int tzh = tzs / 3600;
|
||||
tzs -= tzh * 3600;
|
||||
int tzm = tzs / 60;
|
||||
tzs -= tzm * 60;
|
||||
|
||||
// man tzset:
|
||||
snprintf(tzstr, sizeof tzstr, "ESPUSER<%+d:%02d:%02d>", tzh, tzm, tzs);
|
||||
return configTime(tzstr, server1, server2, server3);
|
||||
}
|
||||
|
||||
void configTime(const char* tz, const char* server1, const char* server2, const char* server3)
|
||||
@ -118,11 +139,9 @@ void configTime(const char* tz, const char* server1, const char* server2, const
|
||||
setServer(0, server1);
|
||||
setServer(1, server2);
|
||||
setServer(2, server3);
|
||||
|
||||
char tzram[strlen_P(tz) + 1];
|
||||
memcpy_P(tzram, tz, sizeof(tzram));
|
||||
setenv("TZ", tzram, 1/*overwrite*/);
|
||||
sntp_set_timezone_in_seconds(0);
|
||||
tzset();
|
||||
|
||||
sntp_init();
|
||||
|
||||
@ -134,13 +134,14 @@ void showTime() {
|
||||
Serial.println((uint32_t)now);
|
||||
|
||||
// timezone and demo in the future
|
||||
Serial.printf("timezone: %s\n", MYTZ);
|
||||
Serial.printf("timezone: %s\n", getenv("TZ"));
|
||||
|
||||
// human readable
|
||||
Serial.print("ctime: ");
|
||||
Serial.print(ctime(&now));
|
||||
|
||||
#if LWIP_VERSION_MAJOR > 1
|
||||
|
||||
// LwIP v2 is able to list more details about the currently configured SNTP servers
|
||||
for (int i = 0; i < SNTP_MAX_SERVERS; i++) {
|
||||
IPAddress sntp = *sntp_getserver(i);
|
||||
@ -203,8 +204,7 @@ void setup() {
|
||||
// it will be used until NTP server will send us real current time
|
||||
time_t rtc = RTC_UTC_TEST;
|
||||
timeval tv = { rtc, 0 };
|
||||
timezone tz = { 0, 0 };
|
||||
settimeofday(&tv, &tz);
|
||||
settimeofday(&tv, nullptr);
|
||||
|
||||
// install callback - called when settimeofday is called (by SNTP or us)
|
||||
// once enabled (by DHCP), SNTP is updated every hour
|
||||
@ -212,8 +212,18 @@ void setup() {
|
||||
|
||||
// NTP servers may be overriden by your DHCP server for a more local one
|
||||
// (see below)
|
||||
|
||||
// ----> Here is the ONLY ONE LINE needed in your sketch
|
||||
|
||||
configTime(MYTZ, "pool.ntp.org");
|
||||
|
||||
// Here is the ONLY ONE LINE needed in your sketch <----
|
||||
// pick a value from TZ.h (search for this file in your filesystem) for MYTZ
|
||||
|
||||
// former configTime is still valid, here is the call for 7 hours to the west
|
||||
// with an enabled 30mn DST
|
||||
//configTime(7 * 3600, 3600 / 2, "pool.ntp.org");
|
||||
|
||||
// OPTIONAL: disable obtaining SNTP servers from DHCP
|
||||
//sntp_servermode_dhcp(0); // 0: disable obtaining SNTP servers from DHCP (enabled by default)
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user