esp32-hal-time.c

// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at

// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include"esp32-hal.h"
#include"lwip/apps/sntp.h"
//#include "tcpip_adapter.h"
#include"esp_netif.h"

#ifdefCONFIG_LWIP_TCPIP_CORE_LOCKING
#include"lwip/priv/tcpip_priv.h"
#endif

staticvoidsetTimeZone(longoffset, intdaylight) {
charcst[17] = {0};
charcdt[17] ="DST";
chartz[33] = {0};

if (offset % 3600) {
sprintf(cst, "UTC%ld:%02u:%02u", offset / 3600, abs((offset % 3600) / 60), abs(offset % 60));
 } else {
sprintf(cst, "UTC%ld", offset / 3600);
 }
if (daylight!=3600) {
longtz_dst=offset-daylight;
if (tz_dst % 3600) {
sprintf(cdt, "DST%ld:%02u:%02u", tz_dst / 3600, abs((tz_dst % 3600) / 60), abs(tz_dst % 60));
 } else {
sprintf(cdt, "DST%ld", tz_dst / 3600);
 }
 }
sprintf(tz, "%s%s", cst, cdt);
setenv("TZ", tz, 1);
tzset();
}

/*
 * configTime
 * Source: https://github.com/esp8266/Arduino/blob/master/cores/esp8266/time.c
 * */
voidconfigTime(longgmtOffset_sec, intdaylightOffset_sec, constchar*server1, constchar*server2, constchar*server3) {
//tcpip_adapter_init(); // Should not hurt anything if already inited
esp_netif_init();

#ifdefCONFIG_LWIP_TCPIP_CORE_LOCKING
if (!sys_thread_tcpip(LWIP_CORE_LOCK_QUERY_HOLDER)) {
LOCK_TCPIP_CORE();
 }
#endif

if (sntp_enabled()) {
sntp_stop();
 }

sntp_setoperatingmode(SNTP_OPMODE_POLL);
sntp_setservername(0, (char*)server1);
sntp_setservername(1, (char*)server2);
sntp_setservername(2, (char*)server3);
sntp_init();

#ifdefCONFIG_LWIP_TCPIP_CORE_LOCKING
if (sys_thread_tcpip(LWIP_CORE_LOCK_QUERY_HOLDER)) {
UNLOCK_TCPIP_CORE();
 }
#endif

setTimeZone(-gmtOffset_sec, daylightOffset_sec);
}

/*
 * configTzTime
 * sntp setup using TZ environment variable
 * */
voidconfigTzTime(constchar*tz, constchar*server1, constchar*server2, constchar*server3) {
//tcpip_adapter_init(); // Should not hurt anything if already inited
esp_netif_init();

#ifdefCONFIG_LWIP_TCPIP_CORE_LOCKING
if (!sys_thread_tcpip(LWIP_CORE_LOCK_QUERY_HOLDER)) {
LOCK_TCPIP_CORE();
 }
#endif

if (sntp_enabled()) {
sntp_stop();
 }

sntp_setoperatingmode(SNTP_OPMODE_POLL);
sntp_setservername(0, (char*)server1);
sntp_setservername(1, (char*)server2);
sntp_setservername(2, (char*)server3);
sntp_init();

#ifdefCONFIG_LWIP_TCPIP_CORE_LOCKING
if (sys_thread_tcpip(LWIP_CORE_LOCK_QUERY_HOLDER)) {
UNLOCK_TCPIP_CORE();
 }
#endif

setenv("TZ", tz, 1);
tzset();
}

boolgetLocalTime(structtm*info, uint32_tms) {
uint32_tstart=millis();
time_tnow;
while ((millis() -start) <= ms) {
time(&now);
localtime_r(&now, info);
if (info->tm_year> (2016-1900)) {
return true;
 }
delay(10);
 }
return false;
}