Implemented first readonly version of ntp settings

include/Configuration.h

@@ -3,12 +3,15 @@
 #include <Arduino.h>
 
 #define CONFIG_FILENAME "/config.bin"
-#define CONFIG_VERSION 0x00010000 // 0.1.0
+#define CONFIG_VERSION 0x00010400 // 0.1.4 // make sure to clean all after change
 
 #define WIFI_MAX_SSID_STRLEN 31
 #define WIFI_MAX_PASSWORD_STRLEN 31
 #define WIFI_MAX_HOSTNAME_STRLEN 31
 
+#define NTP_MAX_SERVER_STRLEN 31
+#define NTP_MAX_TIMEZONE_STRLEN 50
+
 struct CONFIG_T {
     uint32_t Cfg_Version;
     uint Cfg_SaveCount;
@@ -22,6 +25,9 @@ struct CONFIG_T {
     byte WiFi_Dns2[4];
     bool WiFi_Dhcp;
     char WiFi_Hostname[WIFI_MAX_HOSTNAME_STRLEN + 1];
+
+    char Ntp_Server[NTP_MAX_SERVER_STRLEN + 1];
+    char Ntp_Timezone[NTP_MAX_TIMEZONE_STRLEN + 1];
 };
 
 class ConfigurationClass {

include/NtpSettings.h

@@ -0,0 +1,14 @@
+#pragma once
+
+#include <Arduino.h>
+
+class NtpSettingsClass {
+public:
+    NtpSettingsClass();
+    void init();
+
+    void setServer();
+    void setTimezone();
+};
+
+extern NtpSettingsClass NtpSettings;

include/WebApi.h

@@ -18,9 +18,12 @@ private:
 
     void onNetworkStatus(AsyncWebServerRequest* request);
     void onSystemStatus(AsyncWebServerRequest* request);
+    void onNtpStatus(AsyncWebServerRequest* request);
 
     void onNetworkAdminGet(AsyncWebServerRequest* request);
     void onNetworkAdminPost(AsyncWebServerRequest* request);
+
+    void onNtpAdminGet(AsyncWebServerRequest* request);
 };
 
 extern WebApiClass WebApi;

include/defaults.h

@@ -16,3 +16,6 @@
 #define WIFI_SSID ""
 #define WIFI_PASSWORD ""
 #define WIFI_DHCP true
+
+#define NTP_SERVER "pool.ntp.org"
+#define NTP_TIMEZONE "CET-1CEST,M3.5.0,M10.5.0/3"

src/Configuration.cpp

@@ -15,6 +15,10 @@ void ConfigurationClass::init()
     strlcpy(config.WiFi_Password, WIFI_PASSWORD, sizeof(config.WiFi_Password));
     config.WiFi_Dhcp = WIFI_DHCP;
     strlcpy(config.WiFi_Hostname, APP_HOSTNAME, sizeof(config.WiFi_Hostname));
+
+    // NTP Settings
+    strlcpy(config.Ntp_Server, NTP_SERVER, sizeof(config.Ntp_Server));
+    strlcpy(config.Ntp_Timezone, NTP_TIMEZONE, sizeof(config.Ntp_Timezone));
 }
 
 bool ConfigurationClass::write()
@@ -48,6 +52,10 @@ bool ConfigurationClass::read()
 
 void ConfigurationClass::migrate()
 {
+    if (config.Cfg_Version < 0x00010400) {
+        strlcpy(config.Ntp_Server, NTP_SERVER, sizeof(config.Ntp_Server));
+        strlcpy(config.Ntp_Timezone, NTP_TIMEZONE, sizeof(config.Ntp_Timezone));
+    }
     config.Cfg_Version = CONFIG_VERSION;
     write();
 }

src/NtpSettings.cpp

@@ -0,0 +1,26 @@
+#include "NtpSettings.h"
+#include "Configuration.h"
+#include <time.h>
+
+NtpSettingsClass::NtpSettingsClass()
+{
+}
+
+void NtpSettingsClass::init()
+{
+    setServer();
+    setTimezone();
+}
+
+void NtpSettingsClass::setServer()
+{
+    configTime(0, 0, Configuration.get().Ntp_Server);
+}
+
+void NtpSettingsClass::setTimezone()
+{
+    setenv("TZ", Configuration.get().Ntp_Timezone, 1);
+    tzset();
+}
+
+NtpSettingsClass NtpSettings;

src/WebApi.cpp

@@ -30,6 +30,9 @@ void WebApiClass::init()
     _server.on("/api/network/config", HTTP_GET, std::bind(&WebApiClass::onNetworkAdminGet, this, _1));
     _server.on("/api/network/config", HTTP_POST, std::bind(&WebApiClass::onNetworkAdminPost, this, _1));
 
+    _server.on("/api/ntp/status", HTTP_GET, std::bind(&WebApiClass::onNtpStatus, this, _1));
+    _server.on("/api/ntp/config", HTTP_GET, std::bind(&WebApiClass::onNtpAdminGet, this, _1));
+
     _server.serveStatic("/", LITTLEFS, "/", "max-age=86400").setDefaultFile("index.html");
     _server.onNotFound(std::bind(&WebApiClass::onNotFound, this, _1));
     _server.begin();
@@ -271,4 +274,40 @@ void WebApiClass::onNetworkAdminPost(AsyncWebServerRequest* request)
     WiFiSettings.applyConfig();
 }
 
+void WebApiClass::onNtpStatus(AsyncWebServerRequest* request)
+{
+    AsyncJsonResponse* response = new AsyncJsonResponse();
+    JsonObject root = response->getRoot();
+    CONFIG_T& config = Configuration.get();
+
+    root[F("ntp_server")] = config.Ntp_Server;
+    root[F("ntp_timezone")] = config.Ntp_Timezone;
+
+    struct tm timeinfo;
+    if (!getLocalTime(&timeinfo)) {
+        root[F("ntp_status")] = false;
+    } else {
+        root[F("ntp_status")] = true;
+    }
+    char timeStringBuff[50];
+    strftime(timeStringBuff, sizeof(timeStringBuff), "%A, %B %d %Y %H:%M:%S", &timeinfo);
+    root[F("ntp_localtime")] = timeStringBuff;
+
+    response->setLength();
+    request->send(response);
+}
+
+void WebApiClass::onNtpAdminGet(AsyncWebServerRequest* request)
+{
+    AsyncJsonResponse* response = new AsyncJsonResponse();
+    JsonObject root = response->getRoot();
+    CONFIG_T& config = Configuration.get();
+
+    root[F("ntp_server")] = config.Ntp_Server;
+    root[F("ntp_timezone")] = config.Ntp_Timezone;
+
+    response->setLength();
+    request->send(response);
+}
+
 WebApiClass WebApi;

src/main.cpp

@@ -1,4 +1,5 @@
 #include "Configuration.h"
+#include "NtpSettings.h"
 #include "WebApi.h"
 #include "WiFiSettings.h"
 #include "defaults.h"
@@ -45,6 +46,11 @@ void setup()
     Serial.println(F("done"));
     WiFiSettings.applyConfig();
 
+    // Initialize NTP
+    Serial.print(F("Initialize NTP... "));
+    NtpSettings.init();
+    Serial.println(F("done"));
+
     // Initialize WebApi
     Serial.print(F("Initialize WebApi... "));
     WebApi.init();