add new ENABLE_WIFI_INTERFACE build flag for companions without providing ssid and pwd

examples/companion_radio/MyMesh.cpp

@@ -1,7 +1,7 @@
 #include "MyMesh.h"
 
 #include <Arduino.h> // needed for PlatformIO
-#ifdef WIFI_SSID
+#ifdef ENABLE_WIFI_INTERFACE
 #include <WiFi.h>
 #endif
 #include <Mesh.h>
@@ -2160,7 +2160,7 @@ bool MyMesh::handleCommand(const char* command, uint32_t sender_timestamp, char*
     return true;
   }
 
-#ifdef WIFI_SSID
+#ifdef ENABLE_WIFI_INTERFACE
   if (memcmp(command, "set wifi.ssid ", 14) == 0) {
     StrHelper::strncpy(_prefs.wifi_ssid, &command[14], sizeof(_prefs.wifi_ssid));
     savePrefs();
@@ -2438,7 +2438,7 @@ void MyMesh::loop() {
     checkCLIRescueCmd();
   } else {
     checkSerialInterface();
-#if defined(WIFI_SSID) && defined(RP2040_PLATFORM) && !defined(ENABLE_USB_INTERFACE)
+#if defined(ENABLE_WIFI_INTERFACE) && defined(RP2040_PLATFORM) && !defined(ENABLE_USB_INTERFACE)
     // RP2040 WiFi builds are headless and have no way into the rescue CLI (that needs a
     // display + long-press), so serve config commands on the otherwise unused USB serial
     checkCLIRescueCmd();

examples/companion_radio/NodePrefs.h

@@ -44,7 +44,10 @@ public:
   char default_scope_name[31];
   uint8_t default_scope_key[16];
   int8_t tz_offset = 0;
-#ifdef WIFI_SSID
+#ifdef ENABLE_WIFI_INTERFACE
+  #ifndef WIFI_SSID
+    #define WIFI_SSID ""
+  #endif
   char wifi_ssid[33] = {0};   // if empty, the compile-time WIFI_SSID is used
   char wifi_pwd[64] = {0};
   uint8_t wifi_enabled = 1; // enabled by default to allow wifi only builds to work. wifi won't be started if ssid is empty
@@ -167,7 +170,7 @@ private:
 
   DynamicConfigSerializer custom;
 
-#ifdef WIFI_SSID
+#ifdef ENABLE_WIFI_INTERFACE
   class WiFiPrefs : public ConfigSerializer {
     NodePrefs* _parent;
   protected:
@@ -194,13 +197,13 @@ protected:
     def("repeat", repeat);
     def("comp", companion);
     def("custom", custom);
-#ifdef WIFI_SSID
+#ifdef ENABLE_WIFI_INTERFACE
     def("wifi", wifi);
 #endif
   }
 public:
   NodePrefs() : radio(this), gps(this), companion(this), custom(&radio)
-#ifdef WIFI_SSID
+#ifdef ENABLE_WIFI_INTERFACE
     , wifi(this)
 #endif
   {

examples/companion_radio/main.cpp

@@ -36,7 +36,13 @@ MultiSerialInterface interface_manager;
 #endif
 
 // include wifi interface
-#ifdef WIFI_SSID
+#ifdef ENABLE_WIFI_INTERFACE
+  #ifndef WIFI_SSID
+    #define WIFI_SSID ""
+  #endif
+  #ifndef WIFI_PWD
+    #define WIFI_PWD ""
+  #endif
   #ifndef TCP_PORT
     #define TCP_PORT 5000
   #endif
@@ -121,7 +127,7 @@ void halt() {
 }
 
 /* WIFI RECONNECT TRACKERS */
-#ifdef WIFI_SSID
+#ifdef ENABLE_WIFI_INTERFACE
   bool wifi_needs_reconnect = false;
   unsigned long last_wifi_reconnect_attempt = 0;
   char wifi_ssid[33] = WIFI_SSID;   // replaced by stored prefs at boot, if set
@@ -208,7 +214,7 @@ void setup() {
 #endif
 
 // add wifi interface
-#ifdef WIFI_SSID
+#ifdef ENABLE_WIFI_INTERFACE
   // use wifi ssid and password from prefs if ssid is not empty, otherwise use the build flag defaults
   if (the_mesh.getNodePrefs()->wifi_ssid[0]) {
     strcpy(wifi_ssid, the_mesh.getNodePrefs()->wifi_ssid);
@@ -302,7 +308,7 @@ void loop() {
 #endif
   }
 
-#ifdef WIFI_SSID
+#ifdef ENABLE_WIFI_INTERFACE
   if (wifi_enabled) {
     // RP2040 has no WiFi event callbacks, so poll the link state instead
   #if defined(RP2040_PLATFORM)

examples/companion_radio/ui-new/UITask.cpp

@@ -3,7 +3,7 @@
 #include "../MyMesh.h"
 #include "target.h"
 #include <time.h>
-#ifdef WIFI_SSID
+#ifdef ENABLE_WIFI_INTERFACE
   #include <WiFi.h>
 #endif
 
@@ -260,7 +260,7 @@ public:
       sprintf(tmp, "%02d/%02d/%d", dt.day(), dt.month(), dt.year());
       display.drawTextCentered(display.width() / 2, 80, tmp);
       #endif
-      #ifdef WIFI_SSID
+      #ifdef ENABLE_WIFI_INTERFACE
         IPAddress ip = WiFi.localIP();
         snprintf(tmp, sizeof(tmp), "IP: %d.%d.%d.%d", ip[0], ip[1], ip[2], ip[3]);
         display.setTextSize(1);

examples/companion_radio/ui-tiny/UITask.cpp

@@ -4,7 +4,7 @@
 #include "target.h"
 #include "u8g2_icons.h"
 
-#ifdef WIFI_SSID
+#ifdef ENABLE_WIFI_INTERFACE
   #include <WiFi.h>
 #endif
 
@@ -173,7 +173,7 @@ public:
       display.setCursor(0, 19);
       display.print(tmp);
 
-      #ifdef WIFI_SSID
+      #ifdef ENABLE_WIFI_INTERFACE
         IPAddress ip = WiFi.localIP();
         snprintf(tmp, sizeof(tmp), "IP: %d.%d.%d.%d", ip[0], ip[1], ip[2], ip[3]);
         display.setTextSize(1);