新增：FPGA 升级后热恢复射频链路

src/atsc_app/Makefile

@@ -104,6 +104,9 @@ all: imx_atsc_app
 install: all
 	cp imx_atsc_app ../../out/upgrade_imx_fs/SMOD/src/aw/anywave/app/
 	cp imx_atsc_app ../../out/rootfs/aw/anywave/app/
+	cp runme.sh ../../out/upgrade_imx_fs/SMOD/runme.sh
+	cp anywave_exc_start.sh ../../out/upgrade_imx_fs/SMOD/src/aw/anywave_exc_start.sh
+	cp anywave_exc_start.sh ../../out/rootfs/aw/anywave_exc_start.sh
 	@echo "\n\n\t ATSC_APP intall ok\n\n"
 
 clean:

src/atsc_app/runme.sh

@@ -0,0 +1,88 @@
+#!/bin/sh
+# The upgrade shell is forked by the running app and inherits every app socket.
+# Re-exec after closing inherited non-stdio descriptors so the old process can
+# release its ports cleanly. Keep upgrade diagnostics on the debug serial port.
+if [ "$SMOD_FD_CLEAN" != "1" ]; then
+    export SMOD_FD_CLEAN=1
+    exec /bin/sh -c '
+        i=3
+        while [ $i -lt 256 ]; do
+            eval "exec ${i}>&-" 2>/dev/null
+            i=$((i + 1))
+        done
+        exec /bin/sh "$1" </dev/null >/dev/ttymxc0 2>&1
+    ' smod_fd_clean "$0"
+fi
+
+# Kernel and device-tree updates only take effect after an IMX reboot.  Pure
+# userspace packages keep the clock/RF hardware powered and restart only the
+# application so RF can recover without a power cycle.
+need_reboot=0
+reboot_reason=""
+
+if [ -f ./src/zImage ]; then
+    need_reboot=1
+    reboot_reason="kernel"
+    echo "kernel image found: reboot required"
+fi
+
+if [ -f ./src/imx6ull-S-gpmi-1024x600c7.dtb ]; then
+    need_reboot=1
+    if [ -n "$reboot_reason" ]; then
+        reboot_reason="$reboot_reason+device-tree"
+    else
+        reboot_reason="device-tree"
+    fi
+    echo "device-tree image found: reboot required"
+fi
+
+killall logrotateStart daemon_system 2>/dev/null
+sh remove.sh
+sh cp.sh
+sync
+sleep 2
+
+if [ "$need_reboot" = "1" ]; then
+    echo "boot component updated ($reboot_reason), reboot IMX now"
+    reboot
+    exit 0
+fi
+
+# pthread_setname_np changes the app's /proc comm, so identify it by the exact
+# executable path. Also match "(deleted)" after cp.sh replaces the running ELF.
+find_app_pids()
+{
+    for exe in /proc/[0-9]*/exe; do
+        target=`readlink "$exe" 2>/dev/null` || continue
+        case "$target" in
+            /aw/anywave/app/imx_atsc_app|/aw/anywave/app/imx_atsc_app\ \(deleted\))
+                echo "$exe" | sed 's#/proc/##;s#/exe##'
+                ;;
+        esac
+    done
+}
+
+old_pids=`find_app_pids`
+[ -n "$old_pids" ] && kill $old_pids 2>/dev/null
+i=0
+while [ -n "`find_app_pids`" ] && [ $i -lt 15 ]; do
+    sleep 1
+    i=$((i + 1))
+done
+old_pids=`find_app_pids`
+[ -n "$old_pids" ] && kill -9 $old_pids 2>/dev/null
+while [ -n "`find_app_pids`" ]; do sleep 1; done
+
+# Remove stale logging pipelines only after the old application has exited.
+killall loglog 2>/dev/null
+
+# Start without the legacy argument 1 so the normal no-power-off RF recovery
+# path rebuilds the TALISE handle and FPGA-side JESD link.
+sleep 2
+cd /aw/anywave/app && nohup sh -c './imx_atsc_app 2>&1 | /usr/sbin/loglog /var/module_log/ imx_atsc_app.log 1' </dev/null >/dev/ttymxc0 2>&1 &
+
+# Restore the system watchdog/housekeeper and log rotation. BusyBox on this
+# target has no setsid, and /usr/sbin is not in the default PATH.
+sleep 2
+nohup sh -c '/usr/sbin/daemon_system 2>&1 | /usr/sbin/loglog /var/module_log/ daemon_system.log 1' >/dev/null 2>&1 &
+nohup sh -c '/usr/sbin/logrotateStart 2>&1 | /usr/sbin/loglog /var/module_log/ logrotateStart.log 0' >/dev/null 2>&1 &

src/atsc_app/task/http_get.c

@@ -1055,14 +1055,13 @@ void http_write_sys(S_CGI_SET *ppara)
     }
 
 	if(ppara->sys_reset)  {
-        log_printf(LOG_DEBUG, I_USER_CFG, "SYSTEM RESET NOW (IMX+FPGA)!!!!!!!!!!!!!\n");
+		/* A Web System Reset is an IMX warm reboot.  Keep FPGA, AD9528 and
-        //复位  FPGA本身复位
+		 * ADRV9009 powered so the normal boot path can preserve the RF link. */
-        fpga_byte_write(0x01,0xfe,0x5a);
+		log_printf(LOG_DEBUG, I_USER_CFG,
-        fpga_byte_write(0x01,0xfe,0xa5);
+				   "WEB SYSTEM RESET NOW (IMX warm reboot, keep RF hardware)\n");
-
-        // [one@20220419 add imx reset]
 		system("sync");
 		system("reboot");
+		return;
 	}
 
 }
@@ -1624,4 +1623,3 @@ void http_save_change_para(void *p)
 /*****************************END**************************************/
 
 
-

src/atsc_app/task/iweb_task.c

@@ -1576,8 +1576,8 @@ int get_tsoip_systs1(char *pbuf, short bufMaxLen)
             ((pnet->udp_rtp&0xff)<<16)|((pnet->packet_len&0xff)<<8)|(pnet->receive_type&0xff),
             pnet->fec,
             pnet->delay,
-            pnet->col,
             pnet->row,
+            pnet->col,
             pnet->dest_ip[0],
             (pnet->dest_ip[1]<<16)|(pnet->dest_ip[2]<<8)|pnet->dest_ip[3],
             pnet->dest_port,
@@ -1777,6 +1777,9 @@ int start_fpga_upgrade(char *value,short maxlen)
 		return 0;
 	}
 	log_printf(LOG_INFO, I_USER_CFG, "get FPGA .mcs upgrade cmd from web.\n");
+	/* Clear the previous request's terminal status before the asynchronous
+	 * imx_up_thr starts. Otherwise the web poll can consume a stale DONE. */
+	fpga_up_write_status("PENDING", 0, 0);
 	set_fpga_up_flg(1);
 	return 0;
 }

src/atsc_app/task/tcp_task.c

@@ -863,7 +863,7 @@ static uint32 fpga_upgrade_process(void)
 #define FPGA_UP_STATUS_PATH      "/tmp/fpga_up_status"
 
 /* Publish flash progress for the web page: one line "<PHASE> <PCT> <RET>".
- * PHASE: PENDING|ERASE|WRITE|DONE|ERROR ; fpga_up_status.cgi serves this file. */
+ * PHASE: PENDING|ERASE|WRITE|RELINK|READY|ERROR ; fpga_up_status.cgi serves this file. */
 void fpga_up_write_status(const char *phase, int pct, int ret)
 {
     FILE *sf = fopen(FPGA_UP_STATUS_PATH, "w");
@@ -990,7 +990,7 @@ int fpga_upgrade_from_file(const char *path)
         delay_ms(200);
     }
     g_now_only_upgrade_fpga = 0;
-    if(ret == 0) fpga_up_write_status("DONE", 100, 0);
+    if(ret == 0) fpga_up_write_status("RELINK", 100, 0);
     else         fpga_up_write_status("ERROR", last_pct < 0 ? 0 : last_pct, ret);
     log_printf(LOG_DEBUG, I_NOUSED, "fpga upgrade: finished ret=%d lines=%d\n", ret, upState.lineCnt);
     return ret;
@@ -2174,8 +2174,8 @@ void check_fpga_up_finished_reboot_sys(void)
 			fpga_up_sys_reboot=0;
 			sec_cnt=0;
 			/* PR10: the FPGA update image was already IPROG-loaded by reset_fpga_system() in
-			 * check_fpga_upgrade_done(). The old reset_imx_system() reboot is a no-op on this
+			 * check_fpga_upgrade_done(). An IMX reboot is unnecessary for an FPGA-only update.
-			 * board (Task10: no HW soft-reboot path). Instead re-establish RF in-place: reconfig
+			 * Re-establish RF in-place: reconfig
 			 * the FPGA + re-handshake the JESD link (skip 9009, which stayed powered) + reload the
 			 * DPD HOLD curve. This makes a web FPGA .mcs upgrade self-recover WITHOUT a power cycle. */
 			extern void hot_reinit_rf(int reload_fpga);

src/atsc_app/task/upgrade.c

@@ -59,6 +59,7 @@ extern int g_trigger_up_start_flg;
 static volatile int g_hot_relink_busy = 0;   /* re-entrancy guard: only one relink at a time
                                                * (the upgrade-completion path and the runtime
                                                * cfg_valid poll can both request one). */
+static volatile int g_fpga_upgrade_relink_pending = 0; /* web upgrade waits for RF relink */
 void hot_reinit_rf(int reload_fpga)
 {
     extern uint8 hot_get_adpc_mode(void);
@@ -70,6 +71,8 @@ void hot_reinit_rf(int reload_fpga)
         return;
     }
     g_hot_relink_busy = 1;
+    if(g_fpga_upgrade_relink_pending)
+        fpga_up_write_status("RELINK", 100, 0);
     prev_adpc = hot_get_adpc_mode();         /* capture DPD mode BEFORE force-stop wipes it */
 
     log_printf(LOG_INFO, I_USER_CFG, "[HOT-RESTART] begin (reload_fpga=%d, jesd-relink, skip TALISE, prev_adpc=%d)\n", reload_fpga, prev_adpc);
@@ -105,6 +108,10 @@ void hot_reinit_rf(int reload_fpga)
         hot_dpd_rearm(prev_adpc);
     }
     log_printf(LOG_INFO, I_USER_CFG, "[HOT-RESTART] done\n");
+    if(g_fpga_upgrade_relink_pending){
+        fpga_up_write_status("READY", 100, 0);
+        g_fpga_upgrade_relink_pending = 0;
+    }
     g_hot_relink_busy = 0;
 }
 
@@ -125,10 +132,9 @@ void sys_upgrade(void)
 	    result = atoi(msg);
 		//usleep(1000000);
 	    if(result == 0){
-	        log_printf(LOG_DEBUG,I_NOUSED,"run upgrade sh, and will reboot\n");
+	        log_printf(LOG_DEBUG,I_NOUSED,"run upgrade sh (kernel/DTB -> reboot, userspace-only -> app restart)\n");
 	        system(DO_UPGRADE_RUN);
-	        log_printf(LOG_DEBUG,I_NOUSED,"system rebooting....\n");
+	        log_printf(LOG_DEBUG,I_NOUSED,"upgrade script started restart/reboot flow\n");
-	        // reboot in runme.sh
 	    }
 	}
 }
@@ -165,8 +171,11 @@ void* imx_up_thr(void * args)
             atsc_adpc_force_stop_flag = TRUE;
             usleep(2000000);
             int fret = fpga_upgrade_from_file(FPGA_UP_MCS_PATH);
-            log_printf(LOG_DEBUG,I_NOUSED,"FPGA upgrade result=%d (0=ok, app will reset+reboot)\n", fret);
+            if(fret == 0)
-            /* success path: check_fpga_upgrade_done() set fpga_up_sys_reboot=1 -> imx6 reboots */
+                g_fpga_upgrade_relink_pending = 1;
+            log_printf(LOG_DEBUG,I_NOUSED,"FPGA upgrade result=%d (0=ok, app will hot-relink RF)\n", fret);
+            /* Success path uses fpga_up_sys_reboot as a legacy delayed-work flag;
+             * check_fpga_up_finished_reboot_sys() now performs an in-place RF relink. */
         }
 
         /* test hook: `touch /tmp/hot_restart_now` (or `echo 1 > ...` for reload_fpga) triggers

src/web/www/sys_set.html

@@ -5,6 +5,7 @@
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
 <title id="webtitle"></title>
+<script src="js/theme.js"></script>
 <link href="css/styles.css" rel="stylesheet" media="screen">
 <script src="js/auth.js"></script>
 <script src="js/jquery.js"></script>
@@ -16,6 +17,13 @@ var lastTime = new Date().getTime();
 var currentTime = new Date().getTime();
 var timeOut = 20 * 60 * 1000; // 20 min
 var upgrade_imx_flg = 0;
+/* Keep the settings page authenticated while a long FPGA upload/flash is active. */
+var fpga_upgrade_in_progress = 0;
+function finishFpgaUpgrade(){
+	fpga_upgrade_in_progress = 0;
+	upgrade_imx_flg = 0;      // resume normal status refresh
+	lastTime = new Date().getTime();
+}
 var remot_local_ctrl = 0; // 0 remote 1 local
 var g_old_adpc_status = 0;
 var g_old_adpc = 0;
@@ -37,7 +45,7 @@ $(function(){
 
 function testTime(){
 	currentTime = new Date().getTime();
-	if(currentTime - lastTime > timeOut){
+	if(!fpga_upgrade_in_progress && currentTime - lastTime > timeOut){
 		window.location.href="login.cgi?logout=1"
 	}
 
@@ -145,6 +153,17 @@ $(document).ready(function(){
 	update_dpd_state();
 });
 
+/* REG-3 (2026-08-05) — ONE canonical control-lock list. The grey/green mismatch the owner
+   reported came from hand-typed parallel lists (the load-lock had 9 IDs; the IMX-upgrade
+   lock was missing #upgrade_fpga_id/#key_set_id/#ntp_set_id; the FPGA flash locked only
+   its own button). Every full-page lock/unlock now goes through lockAllControls();
+   NEVER re-type the ID list anywhere. Text (Loading.../Local Mode/Set) stays owned by
+   each call site — this helper owns only the disabled state. */
+var ALL_CONTROL_IDS = '#para_set_id, #net_set_id, #sys_rtc_id, #sysreset_bt_id, #upgrade_imx_id, #upgrade_fpga_id, #key_set_id, #ntp_set_id, #timezone_set_id';
+function lockAllControls(lock) {
+  $(ALL_CONTROL_IDS).attr("disabled", !!lock);
+}
+
 function SetFormDefaults(){
   if(upgrade_imx_flg == 1) return;
 
@@ -154,7 +173,7 @@ function SetFormDefaults(){
     var queryData = "sys_cfg=&sysnet=&imxsystime=&web_title=&system_a1_key=&ntp_server=&imx_timezone=&";
   } else {
     // Remote mode: show LOADING indicator
-    $('#para_set_id, #net_set_id, #sys_rtc_id, #sysreset_bt_id, #upgrade_imx_id, #upgrade_fpga_id, #key_set_id, #ntp_set_id, #timezone_set_id')
+    $(ALL_CONTROL_IDS)
       .attr("disabled", true)
       .val("Loading...");
     var queryData = "sys_cfg=&sysnet=&imxsystime=&web_title=&system_a1_key=&ntp_server=&imx_timezone=&";
@@ -279,12 +298,12 @@ function SetFormDefaults(){
   var currentCtlValue = Number(cf0.ctl.value);
   if(currentCtlValue == 1) {
     // Local mode: keep buttons disabled
-    $('#para_set_id, #net_set_id, #sys_rtc_id, #sysreset_bt_id, #upgrade_imx_id, #upgrade_fpga_id, #key_set_id, #ntp_set_id, #timezone_set_id')
+    $(ALL_CONTROL_IDS)
       .attr("disabled", true)
       .val("Local Mode");
   } else {
     // Remote mode: enable buttons
-    $('#para_set_id, #net_set_id, #sys_rtc_id, #sysreset_bt_id, #upgrade_imx_id, #upgrade_fpga_id, #key_set_id, #ntp_set_id, #timezone_set_id')
+    $(ALL_CONTROL_IDS)
       .attr("disabled", false)
       .val("Set");
     $('#upgrade_imx_id').val("Upgrade");
@@ -461,7 +480,7 @@ function set_syspara() {
 	postData += "#"+cf.orx_manu_gain.value;
 
 	if(cf.ab_mode.value == "1" && Number(cf.adp.value) > 0) {
-		alert("The ADPC can't be set to Hold or Update or UpdateLIN/UpdateNLIN mode when 'FSSI Refresh' switch 'On' !!! Please change 'FSSI Refresh' to 'Off'.");
+		alert("The ADPC cannot be set to Hold or Update or UpdateLIN/UpdateNLIN mode when 'FSSI Refresh' switch is 'On'. Please change 'FSSI Refresh' to 'Off'.");
 		return;
 	} else {
 		var bak_adpc = Number(g_old_adpc);
@@ -510,6 +529,7 @@ function setsysnet() {
 
 	if(cmd_confirm()){
 		$.post("atsc_status_cfg.cgi?",postData,function(data, status){
+			if(status!="success"){ upgrade_imx_flg = 0; lockAllControls(false); return; }  // P-5: release on failure
 			if(status=="success"){
 				SetFormDefaults();
 			} else{
@@ -522,6 +542,20 @@ function setsysnet() {
 }
 
 function sysresetff() {
+	/* P-5 (2026-08-06). Two gaps closed here, both proven against the 1.0:
+	   (a) LOCAL-LOCKOUT: the 1.0 refuses a restart in Local mode and re-syncs the
+	       form (its sys_set.html:926); smod posted regardless. A restart is
+	       destructive, so it must honour the same lockout as every other write.
+	   (b) CONTROL LOCK: the restart path locked nothing, so every Set/Upgrade
+	       button stayed live (and green) while the unit rebooted — the owner's
+	       hardware finding. REG-3 already built ONE lockAllControls(); the restart
+	       simply never called it. Same single-lock-list class as the upgrades. */
+	if(remot_local_ctrl == 1){
+		cmd_confirm();
+		SetFormDefaults();
+		return;
+	}
+
 	var postData = "sysreset=";
 	var cf = document.getElementById("form_reset");
 	var prog_val = 1;
@@ -534,13 +568,14 @@ function sysresetff() {
 
 	if(cmd_confirm()){
 		upgrade_imx_flg = 1;
+		lockAllControls(true);
 
 		$.post("atsc_status_cfg.cgi?",postData,function(data, status){
 			if(status=="success"){
 				var t = setInterval(function() {
 					$('#rst_tb').hide();
 					$('#rst_progid').show();
-					$('#rst_note').text("System is now reseting. Please don't power off during the reseting. Wait for a minute and the page will automatically refreshed.");
+					$('#rst_note').text("The unit is now restarting. Please do not power off during the restart. Wait for a minute and the page will automatically refresh.");
 
 					var rst_prog_num = document.getElementById("rst_progid");
 					rst_prog_num.value = prog_val;
@@ -599,18 +634,15 @@ function uploadfile(){
 	}
 
 	var result=document.getElementById('result');
-	$('#upgrade_imx_id').attr("disabled",true);
+	// REG-3: ALL controls lock during an upgrade — including the FPGA/key/NTP buttons the
+	// old hand-typed list missed (the grey/green mismatch).
+	lockAllControls(true);
 	$('#formupgrade').attr("disabled",true);
-	$('#net_set_id').attr("disabled",true);
-	$('#para_set_id').attr("disabled",true);
-	$('#sys_rtc_id').attr("disabled",true);
-	$('#sysreset_bt_id').attr("disabled",true);
-	$('#timezone_set_id').attr("disabled",true);
 
 	var file = document.getElementById('Upgrade').files[0];
 	if (!file) {
 		alert('Please select a file');
-		$('#upgrade_imx_id').attr("disabled",false);   // undo the disables above
+		lockAllControls(false);                        // undo the disables above (all of them)
 		$('#formupgrade').attr("disabled",false);
 		return
 	}
@@ -651,7 +683,7 @@ function uploadfile(){
 				$('#formupgrade').hide();
 				$('#prog_id').show();
 				$("#progress").hide();
-				$('#retnote').text("Code package has been uploaded successfully. System is now upgrading and reboot. Please don't power off the system during the upgrade. Wait for a minute and the page will automatically refreshed.");
+				$('#retnote').text("Code package uploaded successfully. System is now upgrading and rebooting. Please do not power off during the upgrade. Wait for a minute and the page will automatically refresh.");
 				SetFormDefaults();
 				var prog_num = document.getElementById("prog_id");
 				prog_num.value = widthddd;
@@ -689,7 +721,8 @@ function uploadFpgaFile(){
 	}
 
 	var result = document.getElementById('fpga_result');
-	document.getElementById('upgrade_fpga_id').disabled = true;
+	// REG-3: a flash locks the whole page's controls, not only its own button
+	lockAllControls(true);
 
 	// The .mcs is ~23 MB and takes ~10 min to land on the board's flash.  The board runs a
 	// small forking httpd; if testTime() keeps firing update_dpd_state/get_ntp_server_state/
@@ -699,6 +732,8 @@ function uploadFpgaFile(){
 	// the imx6 package; the FPGA path was missing it, which is why large .mcs uploads never
 	// finished from the browser while a scripted POST (no background polling) did.
 	upgrade_imx_flg = 1;
+	fpga_upgrade_in_progress = 1;
+	lastTime = new Date().getTime();
 
 	var params = new FormData();
 	params.append('file', file);
@@ -706,12 +741,12 @@ function uploadFpgaFile(){
 	var xhr = new XMLHttpRequest();
 	xhr.onerror = function(){
 		alert('FPGA upload request failed');
-		document.getElementById('upgrade_fpga_id').disabled = false;
+		lockAllControls(false);
-		upgrade_imx_flg = 0;          // let the dashboard resume
+		finishFpgaUpgrade();
 	};
 	xhr.onabort = xhr.ontimeout = function(){
-		document.getElementById('upgrade_fpga_id').disabled = false;
+		lockAllControls(false);
-		upgrade_imx_flg = 0;
+		finishFpgaUpgrade();
 	};
 	xhr.upload.onprogress = function(e){
 		var percent = Math.round(e.loaded / e.total * 100);
@@ -721,7 +756,17 @@ function uploadFpgaFile(){
 			// upload done -> the board now erases+writes the flash; track its progress
 			result.innerHTML = "Upload complete. Flashing FPGA... DO NOT power off.";
 			document.getElementById('fpga_progress').value = 0;
+		}
+	};
+	xhr.onload = function(){
+		if(xhr.status >= 200 && xhr.status < 300){
+			/* The CGI has accepted this request and reset the server-side status.
+			 * Start polling now so a previous DONE result cannot be consumed. */
 			startFpgaFlashPoll();
+		}else{
+			alert('FPGA upload request failed');
+			lockAllControls(false);
+			finishFpgaUpgrade();
 		}
 	};
 	xhr.open('POST', 'fpga_upload.cgi', true);
@@ -747,26 +792,35 @@ function startFpgaFlashPoll(){
 				if(phase==='PENDING'){ result.innerHTML = "Preparing (stopping DPD)..."; bar.value = 0; }
 				else if(phase==='ERASE'){ result.innerHTML = "Erasing flash (~30s)..."; bar.value = 0; }
 				else if(phase==='WRITE'){ sawProgress = true; result.innerHTML = "Writing FPGA image ... " + pct + "%"; bar.value = pct; }
-				else if(phase==='DONE'){
+				else if(phase==='RELINK' || phase==='DONE'){
 					bar.value = 100;
-					result.innerHTML = "FPGA flash complete (100%). System is rebooting.";
+					result.innerHTML = "FPGA flash complete (100%). Re-establishing RF...";
-					note.innerText = "Done. FPGA reloaded + RF re-established automatically (no power cycle needed).";
+					note.innerText = "FPGA reloaded. Waiting for RF/JESD relink...";
-					clearInterval(poll); if(btn) btn.disabled = false;
+				}
+				else if(phase==='READY'){
+					var redirectLeft = 5;
+					bar.value = 100;
+					note.innerText = "RF re-established. Redirecting to login page...";
+					clearInterval(poll); lockAllControls(false); finishFpgaUpgrade();
+					result.innerHTML = "FPGA and RF are ready. Opening login page in " + redirectLeft + " s...";
+					var redirectTimer = setInterval(function(){
+						redirectLeft--;
+						if(redirectLeft <= 0){ clearInterval(redirectTimer); window.location.href = 'login.html'; }
+						else result.innerHTML = "FPGA and RF are ready. Opening login page in " + redirectLeft + " s...";
+					}, 1000);
 				}
 				else if(phase==='ERROR'){
 					result.innerHTML = "<span style='color:#d00;font-weight:bold'>FPGA flash FAILED (code " + ret + "). Aborted — check the device log. The board falls back to golden on cold boot.</span>";
-					clearInterval(poll); if(btn) btn.disabled = false;
+					clearInterval(poll); lockAllControls(false); finishFpgaUpgrade();
 				}
 			},
 			error:function(){
-				// the board reboots on success and drops the connection; if we had
+				// FPGA reload may temporarily interrupt CGI access. Do not redirect
-				// already seen write progress, treat a sustained drop as done-then-reboot
+				// until the backend explicitly publishes READY.
 				errAfterProgress++;
 				if(sawProgress && errAfterProgress >= 4){
-					bar.value = 100;
+					result.innerHTML = "FPGA flashed. Waiting for RF/JESD relink...";
-					result.innerHTML = "FPGA flashed; board is rebooting (connection lost). Cold-restart it when it returns.";
+					note.innerText = "Connection temporarily unavailable; retrying status check.";
-					note.innerText = "Done. FPGA reloaded + RF re-established automatically (no power cycle needed).";
-					clearInterval(poll); if(btn) btn.disabled = false;
 				}
 			}
 		});
@@ -1249,12 +1303,13 @@ function set_timezone() {
 <div class="app-layout">
 	<aside class="app-sidebar">
 		<ul class="items">
+			<li><a href="overview.html" title="Overview">Overview</a></li>
 			<li><a href="status_info.html" title="Status">Status</a></li>
 			<li class="active"><a href="sys_set.html" title="Settings">Settings</a></li>
 			<li><a href="sys_rf.html" title="RF Control">RF Control</a></li>
 			<li><a href="sys_psip.html" title="TSID&PSIP">TSID&PSIP</a></li>
 			<li><a href="sys_ts.html" title="TSoIP">TSoIP</a></li>
-			<li><a href="sys_spectrum.html" title="Spectrum">Spectrum</a></li>
+			<li><a href="sys_spectrum.html" title="RF Performance">RF Performance</a></li>
 			<li><a href="log_output.html" title="Log">Log</a></li>
 		</ul>
 		<div class="sidebar-footer">
@@ -1274,7 +1329,14 @@ function set_timezone() {
 		</button>
 		<h1><a href="https://anywavecom.net/" class="logo-bg" title="Anywave Broadcast Inc."></a></h1>
 		<h2 id="webtitle_header"><span></span></h2>
-		<h3>
+		<h3 class="has-toggle">
+      <div class="utility-cluster">
+      <button class="theme-toggle" onclick="toggleTheme()" aria-label="Switch color theme" title="Switch color theme">
+        <span class="tt-sun" aria-hidden="true"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="5"></circle><line x1="12" y1="1" x2="12" y2="3"></line><line x1="12" y1="21" x2="12" y2="23"></line><line x1="4.22" y1="4.22" x2="5.64" y2="5.64"></line><line x1="18.36" y1="18.36" x2="19.78" y2="19.78"></line><line x1="1" y1="12" x2="3" y2="12"></line><line x1="21" y1="12" x2="23" y2="12"></line><line x1="4.22" y1="19.78" x2="5.64" y2="18.36"></line><line x1="18.36" y1="5.64" x2="19.78" y2="4.22"></line></svg></span>
+        <span class="tt-moon" aria-hidden="true"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 12.79A9 9 0 1 1 11.21 3 7 7 0 0 0 21 12.79z"></path></svg></span>
+        <span class="tt-label"><span class="tt-to-light">Light Mode</span><span class="tt-to-dark">Dark Mode</span></span>
+      </button>
+      <span class="utility-divider" aria-hidden="true"></span>
       <div class="dropdown">
 				<button class="dropbtn-modern">Admin &#9662;</button>
 				<div class="dropdown-content">
@@ -1295,6 +1357,7 @@ function set_timezone() {
 					</a>
 				</div>
 			</div>
+      </div>
      </h3>
 	</header>
 
@@ -1321,16 +1384,6 @@ function set_timezone() {
 					<span class="summary-unit">dB</span>
 				</div>
 			</div>
-			<div class="summary-card">
-				<div class="summary-label-row">
-					<span class="status-dot status-ok" id="dot_uimd" aria-hidden="true"></span>
-					<span class="summary-label">UIMD</span>
-				</div>
-				<div class="summary-value-wrapper">
-					<span class="summary-value value-ok" id="sum_uimd">--</span>
-					<span class="summary-unit">dBc</span>
-				</div>
-			</div>
 			<div class="summary-card">
 				<div class="summary-label-row">
 					<span class="status-dot status-ok" id="dot_limd" aria-hidden="true"></span>
@@ -1341,6 +1394,16 @@ function set_timezone() {
 					<span class="summary-unit">dBc</span>
 				</div>
 			</div>
+			<div class="summary-card">
+				<div class="summary-label-row">
+					<span class="status-dot status-ok" id="dot_uimd" aria-hidden="true"></span>
+					<span class="summary-label">UIMD</span>
+				</div>
+				<div class="summary-value-wrapper">
+					<span class="summary-value value-ok" id="sum_uimd">--</span>
+					<span class="summary-unit">dBc</span>
+				</div>
+			</div>
 			<div class="summary-card">
 				<div class="summary-label-row">
 					<span class="status-dot status-off" id="dot_rf" aria-hidden="true"></span>
@@ -1596,7 +1659,7 @@ function set_timezone() {
 		</div>
 
 		<br>
-		<h2>RTC Configuration</h2>
+		<h2>Time &amp; Clock Configuration</h2>
 		<div class="box">
 			<form id="form_rtc">
 				<table>
@@ -1660,11 +1723,11 @@ function set_timezone() {
 					</tr>
 				</table>
 			</form>
-		</div>
+			<!-- R4 (2026-08-11): RTC and NTP merged into ONE "Time & Clock Configuration"
-
+			     section, matching the 1.0 (sys_set.html:1556-1642), which holds form_rtc and
-		<br>
+			     form_ntp in a single .box separated by this hairline rule. Both forms, both
-		<h2>NTP Server Configuration</h2>
+			     Set buttons and every field id are unchanged - only the section wrapper is. -->
-		<div class="box">
+			<hr style="border:none; border-top:1px solid var(--border-subtle); margin:10px 0;">
 			<form id="form_ntp">
 				<table>
 					<tr>
@@ -1696,16 +1759,16 @@ function set_timezone() {
 		</div>
 
 		<br>
-		<h2>SYSTEM KEY</h2>
+		<h2>System Key</h2>
 		<div class="box">
 			<form id="form_key">
 				<table>
 					<tr>
-						<td>PSIP KEY</td>
+						<td>PSIP Key</td>
 						<td style="width:500px"><fieldset>
 							<input style="width:100px" maxlength="8" size="9" name="psip_key" id="psip_key" value="" oninput="validateHex(this)">
 						</fieldset></td>
-						<td>EAS KEY</td>
+						<td>EAS Key</td>
 						<td style="width:500px"><fieldset>
 							<input style="width:100px" maxlength="8" size="9" name="eas_key" id="eas_key" value="" oninput="validateHex(this)">
 						</fieldset></td>
@@ -1718,51 +1781,51 @@ function set_timezone() {
 		</div>
 
 		<br>
-		<h2>System Reset Configuration</h2>
+		<h2>Remote Restart</h2>
 		<div class="box">
 			<form id="form_reset">
 				<table id="rst_tb">
 					<tr>
-						<td>System Reset</td>
+						<td>Remote Restart</td>
 						<td>
 							<select name="sysreset" id="sysreset">
 								<option value="0">No
 								<option value="1">Yes
 							</select>
 						</td>
-						<td><input type="button" class="btn-modern" disabled id="sysreset_bt_id" alt="Set" value="Set" onclick="return sysresetff();"> </td>
+						<td><input type="button" class="btn-modern" disabled id="sysreset_bt_id" alt="Restart" value="Restart" onclick="return sysresetff();"> </td>
 					</tr>
 				</table>
 			</form>
 		</div>
 
-		<div><span id="rst_note" style="color:#0B77B7; font-size:14px" ></span></div>
+		<div><span id="rst_note" style="color:var(--info-text); font-size:14px" ></span></div>
 		<br><br>
 		<div>
-			<progress id="rst_progid" style="width:100%; margin-left:1px; display:none; color:#0bb710;" value="0" max="100"></progress>
+			<progress id="rst_progid" class="aw-progress" style="width:100%; margin-left:1px; display:none" value="0" max="100"></progress>
-			<span id='rst_progsval' style="color:#0B77B7; font-size:18px;"></span>
+			<span id='rst_progsval' style="color:var(--info-text); font-size:18px;"></span>
 		</div>
 
 		<br>
-		<h2>Remote Update</h2>
+		<h2>MCU Update (.tar.gz)</h2>
 		<div class="box">
 			<form id="formupgrade" target="myIframe" name="formupgrade" method="post" action="upload.cgi" enctype="multipart/form-data">
 				<div id="divupgrade" style="padding: 20px;">
 					<span id="LUpgrade" ></span>
-					<input name="Upgrade" type="file" id="Upgrade"/>
+					<input name="Upgrade" type="file" id="Upgrade" accept=".tar.gz,.tgz"/>
-					<input type="button" class="btn-modern" alt="UPGRADE" value="Upgrade" disabled id="upgrade_imx_id" onclick='uploadfile("imx")'>
+					<input type="button" class="btn-modern" alt="MCU UPGRADE" value="Upgrade MCU" disabled id="upgrade_imx_id" onclick='uploadfile("imx")'>
 				</div>
 			</form>
 			<iframe name="myIframe" id="myIframe" style="display: none;"></iframe>
 		</div>
 
-		<div><span id="retnote" style="color:#0B77B7; font-size:14px" ></span></div>
+		<div><span id="retnote" style="color:var(--info-text); font-size:14px" ></span></div>
 		<br><br>
 		<div>
-			<progress id="prog_id" style="width:100%; margin-left:1px; display:none; color:#0bb710;" value="0" max="100"></progress>
+			<progress id="prog_id" class="aw-progress" style="width:100%; margin-left:1px; display:none" value="0" max="100"></progress>
 			<br><br>
-			<span id='result' style="color: #0B77B7 ;font-size:18px"></span>
+			<span id='result' style="color:var(--info-text);font-size:18px"></span>
-			<progress id='progress' style="width:100%; margin-left:1px; color:#0B77B7; font-size:18px" value="0" max="100"></progress>
+			<progress id='progress' class="aw-progress" style="width:100%; margin-left:1px" value="0" max="100"></progress>
 		</div>
 
 		<br>
@@ -1777,11 +1840,11 @@ function set_timezone() {
 			</form>
 			<iframe name="myIframeFpga" id="myIframeFpga" style="display: none;"></iframe>
 		</div>
-		<div><span id="fpga_retnote" style="color:#0B77B7; font-size:14px"></span></div>
+		<div><span id="fpga_retnote" style="color:var(--info-text); font-size:14px"></span></div>
 		<br>
 		<div>
-			<span id='fpga_result' style="color: #0B77B7 ;font-size:18px"></span>
+			<span id='fpga_result' style="color:var(--info-text);font-size:18px"></span>
-			<progress id='fpga_progress' style="width:100%; margin-left:1px; color:#0B77B7; font-size:18px" value="0" max="100"></progress>
+			<progress id='fpga_progress' class="aw-progress" style="width:100%; margin-left:1px" value="0" max="100"></progress>
 		</div>
 
 	</main>