mirror of
https://github.com/Valeh2012/PersonalVotingMachine
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60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
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/**
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* @file SNTPModule.cpp
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* @brief SNTPModule implementation file
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* */
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#include "lwip/apps/sntp.h"
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#include "sntp/sntp.h"
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#include "module.h"
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void time_sync_notification_cb(struct timeval *tv){
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ESP_LOGI("Global","Notification of a time synchronization event");
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}
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/** Sample code to sync time with NTP server from ESP-IDF
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* https://github.com/espressif/esp-idf/tree/master/examples/protocols/sntp
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**/
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void SNTPModule::initialize_sntp(void){
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sntp_setoperatingmode(SNTP_OPMODE_POLL);
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sntp_setservername(0, (char*) "pool.ntp.org");
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sntp_set_time_sync_notification_cb(time_sync_notification_cb);
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sntp_init();
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}
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esp_err_t SNTPModule::init(){
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// Sync time
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time_t now;
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struct tm timeinfo;
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time(&now);
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localtime_r(&now, &timeinfo);
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// Is time set? If not, tm_year will be (1970 - 1900).
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if (timeinfo.tm_year < (2019 - 1900)) {
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ESP_LOGI(TAG, "Time is not set yet. Connecting to WiFi and getting time over NTP.");
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ESP_LOGI(TAG, "Initializing SNTP");
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initialize_sntp();
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int retry = 0;
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const int retry_count = 10;
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while (sntp_get_sync_status() == SNTP_SYNC_STATUS_RESET && ++retry < retry_count) {
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ESP_LOGI(TAG, "Waiting for system time to be set... (%d/%d)", retry, retry_count);
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vTaskDelay(2000 / portTICK_PERIOD_MS);
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}
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// update 'now' variable with current time
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time(&now);
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localtime_r(&now, &timeinfo);
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char curr[20];
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strftime(curr, 20,"%Y-%m-%dT%XZ", localtime(&now));
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ESP_LOGI(TAG, "Time is set: %s", curr);
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}
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return ESP_OK;
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}
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esp_err_t SNTPModule::deinit(){
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sntp_stop();
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ESP_LOGI(TAG, "deinited");
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return ESP_OK;
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}
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