- use bigger screen fonts on Wiphone

- erase oldest entry from NodeDB if it is full.

src/graphics/Screen.cpp

@@ -97,7 +97,7 @@ static uint16_t displayWidth, displayHeight;
 #define SCREEN_WIDTH displayWidth
 #define SCREEN_HEIGHT displayHeight
 
-#if defined(USE_EINK) || defined(ILI9341_DRIVER)
+#if defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ST7735_CS)
 // The screen is bigger so use bigger fonts
 #define FONT_SMALL ArialMT_Plain_16
 #define FONT_MEDIUM ArialMT_Plain_24

src/mesh/NodeDB.cpp

@@ -699,11 +699,23 @@ NodeInfo *NodeDB::getOrCreateNode(NodeNum n)
 
     if (!info) {
         if (*numNodes >= MAX_NUM_NODES) {
-            screen->print("error: node_db full!\n");
+            screen->print("warning: node_db full! erasing oldest entry\n");
-            DEBUG_MSG("ERROR! could not create new node, node_db is full! (%d nodes)", *numNodes);
+            // look for oldest node and erase it
-            return NULL;
+            uint32_t oldest = UINT32_MAX;
+            int oldestIndex = -1;
+            for (int i = 0; i < *numNodes; i++) {
+                if (nodes[i].last_heard < oldest) {
+                    oldest = nodes[i].last_heard;
+                    oldestIndex = i;
+                }
+            }
+            // Shove the remaining nodes down the chain
+            for (int i = oldestIndex; i < *numNodes - 1; i++) {
+                nodes[i] = nodes[i + 1];
+            }
+            (*numNodes)--;
         }
-        // add the node
+        // add the node at the end
         info = &nodes[(*numNodes)++];
 
         // everything is missing except the nodenum

src/modules/CannedMessageModule.cpp

@@ -11,7 +11,7 @@
 #include "graphics/fonts/OLEDDisplayFontsRU.h"
 #endif
 
-#if defined(USE_EINK) || defined(ILI9341_DRIVER)
+#if defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ST7735_CS)
 // The screen is bigger so use bigger fonts
 #define FONT_SMALL ArialMT_Plain_16
 #define FONT_MEDIUM ArialMT_Plain_24