Added display for dBm (wifi)

main/displays/menus/networksettingsmenu.cpp

@@ -31,6 +31,7 @@ NetworkSettingsMenu::NetworkSettingsMenu()
     constructMenuItem<makeComponentArgs<MenuItem, DnsText,                      DummyAction>>(uint8_t{0});
     constructMenuItem<makeComponentArgs<MenuItem, DnsText,                      DummyAction>>(uint8_t{1});
     constructMenuItem<makeComponentArgs<MenuItem, DnsText,                      DummyAction>>(uint8_t{2});
+    constructMenuItem<makeComponent<MenuItem,     WifiTxPowerText,              DummyAction>>();
     constructMenuItem<makeComponent<MenuItem,     StaticText<TEXT_BACK>,        SwitchScreenAction<SettingsMenu>, StaticMenuItemIcon<&icons::back>>>();
 }
 

main/texthelpers/networktexthelpers.cpp

@@ -40,3 +40,11 @@ std::string DnsText::text() const
         text += wifi_stack::toString(*dns_ip);
     return text;
 }
+
+std::string WifiTxPowerText::text() const
+{
+    int8_t power;
+    if(const auto err = esp_wifi_get_max_tx_power(&power); err == ESP_OK)
+        return fmt::format("&stx-power: {:.2f} dBm ({})&f", power * 0.25f, power);
+    return "";
+}

main/texthelpers/networktexthelpers.h

@@ -25,3 +25,9 @@ public:
 private:
     const uint8_t m_index;
 };
+
+class WifiTxPowerText : public virtual espgui::TextInterface
+{
+public:
+    std::string text() const override;
+};