improve WiFi

.vscode/settings.json

@@ -6,5 +6,8 @@
         "http_metrics.h": "c",
         "outputs.h": "c",
         "task.h": "c"
-    }
+    },
+    "idf.openOcdConfigs": [
+        "board/esp32-wrover-kit-3.3v.cfg"
+    ]
 }

main/metrics.c

@@ -201,8 +201,12 @@ void connect_wifi(void)
     };
     ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));
     ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_STA, &wifi_config));
+
     ESP_ERROR_CHECK(esp_wifi_start());
 
+    ESP_ERROR_CHECK(esp_wifi_set_max_tx_power(78));      // Set max power to 19.5 dBm (78 in units of 0.25 dBm)
+    ESP_ERROR_CHECK(esp_wifi_set_ps(WIFI_PS_MIN_MODEM)); // Use power-saving mode
+
     ESP_LOGI(TAG, "wifi_init_sta finished.");
 
     EventBits_t bits = xEventGroupWaitBits(s_wifi_event_group,