Time synchronization is now possible via the LoRaWAN network

Author: argetlam-coder

code/components/jomjol_helper/Helper.cpp

@@ -697,7 +697,6 @@ float temperatureRead()
     return -1.0;
 }
 #endif
-}
 
 time_t addDays(time_t startTime, int days)
 {

code/components/jomjol_lorawan/interface_lorawan.cpp

@@ -173,6 +173,17 @@ void task_lorawan_communication(void *pvParameter) {
     // (state 0 = no downlink, state 1/2 = downlink in window Rx1/Rx2)
     if(state > 0) { 
       if (downlinkSize > 0){
+        uint32_t networkTime = 0;
+        uint8_t fracSecond = 0;
+        if(node->getMacDeviceTimeAns(&networkTime, &fracSecond, true) == RADIOLIB_ERR_NONE) {
+          ESP_LOGE(LORAWAN_LOG_TAG, "DeviceTime Unix:\t%lu", networkTime);
+          ESP_LOGE(LORAWAN_LOG_TAG, "DeviceTime second:\t1/%u", fracSecond);
+          struct timeval now; 
+          now.tv_sec = networkTime;
+          now.tv_usec = static_cast<long>(fracSecond / 256 * 1000000);
+          settimeofday(&now, NULL);
+        }
+
         //check if it is a wifi toggle command
         if (downlinkDetails.fPort == 1 ) {
           if (downlinkPayload[0] == 1){
@@ -233,14 +244,6 @@ void task_lorawan_communication(void *pvParameter) {
         ESP_LOGE(LORAWAN_LOG_TAG, "LinkCheck margin:\t%u",margin);
         ESP_LOGE(LORAWAN_LOG_TAG, "LinkCheck count:\t%u", gwCnt);
       }
-
-      uint32_t networkTime = 0;
-      uint8_t fracSecond = 0;
-      if(node->getMacDeviceTimeAns(&networkTime, &fracSecond, true) == RADIOLIB_ERR_NONE) {
-        ESP_LOGE(LORAWAN_LOG_TAG, "DeviceTime Unix:\t%lu", networkTime);
-        ESP_LOGE(LORAWAN_LOG_TAG, "DeviceTime second:\t1/%u", fracSecond);
-      }
-
     } else {
       ESP_LOGE(LORAWAN_LOG_TAG, "No downlink received");
     }

code/components/jomjol_time_sntp/time_sntp.cpp

@@ -278,9 +278,9 @@ bool setupTime() {
         esp_sntp_config_t config = ESP_NETIF_SNTP_DEFAULT_CONFIG(timeServer.c_str());
         config.sync_cb = time_sync_notification_cb;
         esp_netif_sntp_init(&config);
-
-        setTimeZone(timeZone);
     }
+    
+    setTimeZone(timeZone);
 
     /* The RTC keeps the time after a restart (Except on Power On or Pin Reset) 
      * There should only be a minor correction through NTP */

code/dependencies.lock

@@ -10,6 +10,6 @@ dependencies:
     source:
       type: idf
     version: 5.4.0
-manifest_hash: d0e5c11de62d42d31acd29b96ce1e6a6a70ddaa81415b7ad25e0ff9cc51abe3f
+manifest_hash: 9fbc82b4d26d714ae67e8ed2103405e03969eda639b2c1fd08db12c0195f223d
 target: esp32s3
 version: 1.0.0

code/sdkconfig.esp32-s3-wroom-1

@@ -2174,6 +2174,36 @@ CONFIG_WIFI_PROV_STA_ALL_CHANNEL_SCAN=y
 # CONFIG_WIFI_PROV_STA_FAST_SCAN is not set
 # end of Wi-Fi Provisioning Manager
 
+#
+# mDNS
+#
+CONFIG_MDNS_MAX_INTERFACES=3
+CONFIG_MDNS_MAX_SERVICES=10
+CONFIG_MDNS_TASK_PRIORITY=1
+CONFIG_MDNS_ACTION_QUEUE_LEN=16
+CONFIG_MDNS_TASK_STACK_SIZE=4096
+# CONFIG_MDNS_TASK_AFFINITY_NO_AFFINITY is not set
+CONFIG_MDNS_TASK_AFFINITY_CPU0=y
+# CONFIG_MDNS_TASK_AFFINITY_CPU1 is not set
+CONFIG_MDNS_TASK_AFFINITY=0x0
+CONFIG_MDNS_SERVICE_ADD_TIMEOUT_MS=2000
+CONFIG_MDNS_TIMER_PERIOD_MS=100
+# CONFIG_MDNS_NETWORKING_SOCKET is not set
+# CONFIG_MDNS_SKIP_SUPPRESSING_OWN_QUERIES is not set
+# CONFIG_MDNS_ENABLE_DEBUG_PRINTS is not set
+CONFIG_MDNS_ENABLE_CONSOLE_CLI=y
+# CONFIG_MDNS_RESPOND_REVERSE_QUERIES is not set
+CONFIG_MDNS_MULTIPLE_INSTANCE=y
+
+#
+# MDNS Predefined interfaces
+#
+CONFIG_MDNS_PREDEF_NETIF_STA=y
+CONFIG_MDNS_PREDEF_NETIF_AP=y
+CONFIG_MDNS_PREDEF_NETIF_ETH=y
+# end of MDNS Predefined interfaces
+# end of mDNS
+
 #
 # Camera configuration
 #