98 lines
2.8 KiB
C
98 lines
2.8 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "esp32-hal.h"
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#include "lwip/apps/sntp.h"
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//#include "tcpip_adapter.h"
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#include "esp_netif.h"
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static void setTimeZone(long offset, int daylight)
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{
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char cst[17] = {0};
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char cdt[17] = "DST";
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char tz[33] = {0};
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if(offset % 3600){
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sprintf(cst, "UTC%ld:%02u:%02u", offset / 3600, abs((offset % 3600) / 60), abs(offset % 60));
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} else {
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sprintf(cst, "UTC%ld", offset / 3600);
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}
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if(daylight != 3600){
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long tz_dst = offset - daylight;
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if(tz_dst % 3600){
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sprintf(cdt, "DST%ld:%02u:%02u", tz_dst / 3600, abs((tz_dst % 3600) / 60), abs(tz_dst % 60));
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} else {
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sprintf(cdt, "DST%ld", tz_dst / 3600);
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}
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}
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sprintf(tz, "%s%s", cst, cdt);
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setenv("TZ", tz, 1);
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tzset();
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}
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/*
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* configTime
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* Source: https://github.com/esp8266/Arduino/blob/master/cores/esp8266/time.c
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* */
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void configTime(long gmtOffset_sec, int daylightOffset_sec, const char* server1, const char* server2, const char* server3)
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{
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//tcpip_adapter_init(); // Should not hurt anything if already inited
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esp_netif_init();
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if(sntp_enabled()){
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sntp_stop();
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}
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sntp_setoperatingmode(SNTP_OPMODE_POLL);
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sntp_setservername(0, (char*)server1);
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sntp_setservername(1, (char*)server2);
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sntp_setservername(2, (char*)server3);
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sntp_init();
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setTimeZone(-gmtOffset_sec, daylightOffset_sec);
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}
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/*
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* configTzTime
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* sntp setup using TZ environment variable
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* */
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void configTzTime(const char* tz, const char* server1, const char* server2, const char* server3)
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{
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//tcpip_adapter_init(); // Should not hurt anything if already inited
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esp_netif_init();
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if(sntp_enabled()){
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sntp_stop();
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}
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sntp_setoperatingmode(SNTP_OPMODE_POLL);
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sntp_setservername(0, (char*)server1);
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sntp_setservername(1, (char*)server2);
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sntp_setservername(2, (char*)server3);
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sntp_init();
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setenv("TZ", tz, 1);
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tzset();
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}
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bool getLocalTime(struct tm * info, uint32_t ms)
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{
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uint32_t start = millis();
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time_t now;
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while((millis()-start) <= ms) {
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time(&now);
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localtime_r(&now, info);
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if(info->tm_year > (2016 - 1900)){
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return true;
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}
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delay(10);
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}
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return false;
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}
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