feat: implement system time synchronization, web server handlers, and clock application components

components/web_server/pages/serial.c

@@ -1,4 +1,4 @@
-#include "web_server_pages.h"
+#include "web_server_pages.h"
 #include "sys_uart.h"
 #include "esp_log.h"
 #include "esp_http_server.h"
@@ -227,7 +227,7 @@ static const char SERIAL_HTML[] =
 "  }"
 "});"
 "log('[ABrobot Web Serial Connected on TX:GPIO21 / RX:GPIO20 (Internal Pull-Up Active)]\\n', 'log-sys');"
-"pollData();"
+"try{fetch('/time/sync?epoch='+Math.floor(Date.now()/1000));}catch(e){}pollData();"
 "</script></body></html>";
 
 static esp_err_t serial_page_get(httpd_req_t *request)

components/web_server/pages/wifi.c

@@ -1,4 +1,4 @@
-#include "web_server_pages.h"
+#include "web_server_pages.h"
 #include "sdkconfig.h"
 #include "esp_log.h"
 #include "esp_wifi.h"
@@ -91,7 +91,7 @@ static const char WIFI_HTML[] =
 "      <label for=\"password\">Wi-Fi Password</label>"
 "      <div class=\"pass-wrap\">"
 "        <input type=\"password\" id=\"password\" name=\"password\" maxlength=\"64\" placeholder=\"Enter Wi-Fi password (WPA/WPA2)...\" required>"
-"        <button type=\"button\" class=\"pass-toggle\" id=\"eyeBtn\" onclick=\"togglePassword()\" title=\"Show/Hide Password\">👁️</button>"
+"        <button type=\"button\" class=\"pass-toggle\" id=\"eyeBtn\" onclick=\"togglePassword()\" title=\"Show/Hide Password\">👁️</button>"
 "      </div>"
 "    </div>"
 "    <button type=\"submit\" class=\"primary\" id=\"btnConnect\">Connect to Network</button>"
@@ -112,12 +112,12 @@ static const char WIFI_HTML[] =
 "const list=document.getElementById('networks'),manual=document.getElementById('manual'),manualBox=document.getElementById('manualBox'),hidden=document.getElementById('hidden'),passInput=document.getElementById('password'),msg=document.getElementById('statusMsg'),btnConnect=document.getElementById('btnConnect'),btnScan=document.getElementById('btnScan'),scanCount=document.getElementById('scanCount');"
 "function showMsg(text,type){msg.className='msg-box msg-'+(type||'info');msg.textContent=text;msg.style.display='block';}"
 "function toggleManual(){let on=hidden.checked;manualBox.style.display=on?'block':'none';manual.required=on;if(on){manual.value='';manual.focus();}else if(list.value)manual.value=list.value;}"
-"function togglePassword(){let isPass=passInput.type==='password';passInput.type=isPass?'text':'password';document.getElementById('eyeBtn').textContent=isPass?'🔒':'👁️';}"
+"function togglePassword(){let isPass=passInput.type==='password';passInput.type=isPass?'text':'password';document.getElementById('eyeBtn').textContent=isPass?'🔒':'👁️';}"
 "async function scan(){btnScan.disabled=true;btnScan.textContent='Scanning...';scanCount.textContent='Scanning...';showMsg('Scanning for 2.4 GHz Wi-Fi access points...','info');try{const res=await fetch('/scan');if(!res.ok)throw new Error('HTTP '+res.status);const data=await res.json();list.innerHTML='';if(!data.length){list.innerHTML='<option value=\"\">No networks found</option>';scanCount.textContent='0 APs';showMsg('No networks found. Check router or use manual SSID entry.','error');}else{data.forEach(n=>{const opt=document.createElement('option');opt.value=n.ssid;const qual=n.rssi>-60?'Strong':(n.rssi>-75?'Good':'Weak');opt.textContent=n.ssid+' ('+n.rssi+' dBm - '+qual+')';list.appendChild(opt);});scanCount.textContent=data.length+' APs';if(!hidden.checked)manual.value=list.value;showMsg('Found '+data.length+' Wi-Fi network(s). Select your network and enter credentials.','success');}}catch(e){scanCount.textContent='Error';showMsg('Wi-Fi scan failed: '+e.message,'error');}finally{btnScan.disabled=false;btnScan.textContent='Refresh';}}"
 "list.onchange=()=>{if(!hidden.checked)manual.value=list.value;};"
 "async function submitWifi(e){e.preventDefault();const ssidVal=manual.value.trim();const passVal=passInput.value;if(!ssidVal){showMsg('Please select or enter an SSID network name.','error');return;}btnConnect.disabled=true;btnConnect.textContent='Connecting...';showMsg('Saving credentials and connecting to \"'+ssidVal+'\"...','info');try{const body='ssid='+encodeURIComponent(ssidVal)+'&password='+encodeURIComponent(passVal);const res=await fetch('/configure',{method:'POST',headers:{'Content-Type':'application/x-www-form-urlencoded'},body:body});if(res.ok){showMsg('Credentials saved for \"'+ssidVal+'\". ESP32 is switching to Station mode. Please connect your device to \"'+ssidVal+'\".','success');}else{const err=await res.text();showMsg('Connection failed: '+err,'error');btnConnect.disabled=false;btnConnect.textContent='Connect to Network';}}catch(e){showMsg('Credentials saved for \"'+ssidVal+'\". ESP32 is connecting to Wi-Fi. Please connect to \"'+ssidVal+'\".','success');}}"
 "if(!hidden.checked&&list.value)manual.value=list.value;"
-"scan();"
+"try{fetch('/time/sync?epoch='+Math.floor(Date.now()/1000));}catch(e){}scan();"
 "</script></body></html>";
 
 static void copy_string(uint8_t *destination, size_t size, const char *source)

components/web_server/web_server.c

@@ -1,11 +1,42 @@
-#include "web_server.h"
+#include "web_server.h"
 #include "web_server_pages.h"
+#include "sys_time.h"
 #include "esp_http_server.h"
 #include "esp_log.h"
+#include <stdlib.h>
+#include <stdio.h>
+#include <time.h>
 
 static const char *TAG = "SYS_WEB";
 static httpd_handle_t s_server;
 
+static esp_err_t time_sync_handler(httpd_req_t *req)
+{
+    char query[128] = {0};
+    if (httpd_req_get_url_query_str(req, query, sizeof(query)) == ESP_OK) {
+        char val[32] = {0};
+        if (httpd_query_key_value(query, "epoch", val, sizeof(val)) == ESP_OK) {
+            time_t epoch = (time_t)strtoull(val, NULL, 10);
+            if (epoch >= 1704067200ULL) {
+                sys_time_set_epoch(epoch);
+            }
+        }
+    }
+
+    struct tm tm_info;
+    bool synced = sys_time_get_local(&tm_info);
+    time_t now = sys_time_get_epoch();
+    char strftime_buf[64];
+    strftime(strftime_buf, sizeof(strftime_buf), "%Y-%m-%d %H:%M:%S", &tm_info);
+
+    char resp[160];
+    snprintf(resp, sizeof(resp), "{\"synced\":%s,\"epoch\":%lld,\"time\":\"%s\",\"tz\":\"%s\"}",
+             synced ? "true" : "false", (long long)now, strftime_buf, sys_time_get_timezone());
+
+    httpd_resp_set_type(req, "application/json");
+    return httpd_resp_sendstr(req, resp);
+}
+
 esp_err_t web_server_start(void)
 {
     if (s_server) return ESP_OK;
@@ -19,6 +50,14 @@ esp_err_t web_server_start(void)
     web_server_register_wifi_pages(s_server);
     web_server_register_ota_page(s_server);
     web_server_register_serial_pages(s_server);
-    ESP_LOGI(TAG, "Web server started");
+
+    const httpd_uri_t time_uri = {
+        .uri = "/time/sync",
+        .method = HTTP_GET,
+        .handler = time_sync_handler
+    };
+    httpd_register_uri_handler(s_server, &time_uri);
+
+    ESP_LOGI(TAG, "Web server started with real-time sync service");
     return ESP_OK;
 }