watchdog; DNS for static IP

Author: martin-ger

CMakeLists.txt

@@ -2,7 +2,7 @@
 # in this exact order for cmake to work correctly
 cmake_minimum_required(VERSION 3.16)
 
-set(PROJECT_VER "2.4.10")
+set(PROJECT_VER "2.4.11")
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(esp32_nat_router)
 

components/cmd_router/cmd_router.c

@@ -87,6 +87,7 @@ static void register_set_led_gpio(void);
 static void register_set_led_lowactive(void);
 static void register_set_led_strip(void);
 static void register_set_ttl(void);
+static void register_set_watchdog(void);
 static void register_client_stats_cmd(void);
 static void register_set_ap_nat(void);
 static void register_set_tx_power(void);
@@ -306,6 +307,7 @@ void register_router(void)
     register_set_led_lowactive();
     register_set_led_strip();
     register_set_ttl();
+    register_set_watchdog();
     register_client_stats_cmd();
     register_set_ap_nat();
     register_set_tx_power();
@@ -2191,6 +2193,49 @@ static void register_set_ttl(void)
     ESP_ERROR_CHECK( esp_console_cmd_register(&cmd) );
 }
 
+/* 'set_watchdog' command - set reconnect watchdog timeout */
+static int set_watchdog_cmd(int argc, char **argv)
+{
+    if (argc < 2) {
+        printf("Usage: set_watchdog <seconds>\n");
+        printf("  seconds: 0-65535 (0 = disabled, default)\n");
+        printf("\nCurrent setting: %d s", reconnect_watchdog_s);
+        printf(reconnect_watchdog_s == 0 ? " (disabled)\n" : "\n");
+        return 0;
+    }
+
+    char *endptr;
+    long val = strtol(argv[1], &endptr, 10);
+    if (*endptr != '\0' || val < 0 || val > 65535) {
+        printf("Invalid value. Use 0-65535 (0 = disabled).\n");
+        return 1;
+    }
+
+    esp_err_t err = set_config_param_int("wd_s", (int32_t)val);
+    if (err == ESP_OK) {
+        reconnect_watchdog_s = (uint16_t)val;
+        if (val == 0) {
+            printf("Reconnect watchdog disabled.\n");
+        } else {
+            printf("Reconnect watchdog set to %ld s.\n", val);
+        }
+    } else {
+        printf("Failed to save setting\n");
+    }
+    return err;
+}
+
+static void register_set_watchdog(void)
+{
+    const esp_console_cmd_t cmd = {
+        .command = "set_watchdog",
+        .help = "Set reconnect watchdog timeout in seconds (0 = disabled, default)",
+        .hint = NULL,
+        .func = &set_watchdog_cmd,
+    };
+    ESP_ERROR_CHECK( esp_console_cmd_register(&cmd) );
+}
+
 /* 'client_stats' command - enable/disable per-client traffic statistics */
 static int client_stats_cmd(int argc, char **argv)
 {

firmware_esp32/bootloader.bin

@@ -1,7 +1,7 @@
 ESP32 NAT Router Build Information
 =================================
 Target: ESP32 (Original) (esp32)
-Build Time: 2026-05-06 11:52:43
-Git Hash: fec99fb
+Build Time: 2026-05-20 15:48:30
+Git Hash: 3a98b06
 Binary Files: 4
 Build Directory: build

firmware_esp32/build_info.txt

@@ -1,7 +1,7 @@
 ESP32 NAT Router Build Information
 =================================
 Target: ESP32-C3 (esp32c3)
-Build Time: 2026-05-06 12:08:58
-Git Hash: fec99fb
+Build Time: 2026-05-20 16:02:53
+Git Hash: 3a98b06
 Binary Files: 4
 Build Directory: build

firmware_esp32/esp32_nat_router.bin

@@ -1,7 +1,7 @@
 ESP32 NAT Router Build Information
 =================================
 Target: ESP32-C5 (esp32c5)
-Build Time: 2026-05-06 12:02:28
-Git Hash: fec99fb
+Build Time: 2026-05-20 15:57:10
+Git Hash: 3a98b06
 Binary Files: 4
 Build Directory: build