Build message in printBytes, to not spam BLE log (#4843)

src/meshUtils.cpp

@@ -60,10 +60,17 @@ char *strnstr(const char *s, const char *find, size_t slen)
 
 void printBytes(const char *label, const uint8_t *p, size_t numbytes)
 {
-    LOG_DEBUG("%s: ", label);
-    for (size_t i = 0; i < numbytes; i++)
-        LOG_DEBUG("%02x ", p[i]);
-    LOG_DEBUG("\n");
+    char *messageBuffer;
+    int labelSize = strlen(label);
+    if (labelSize < 100 && numbytes < 64) {
+        messageBuffer = new char[labelSize + (numbytes * 3) + 2];
+        strncpy(messageBuffer, label, labelSize);
+        for (size_t i = 0; i < numbytes; i++)
+            snprintf(messageBuffer + labelSize + i * 3, 4, " %02x", p[i]);
+        strcpy(messageBuffer + labelSize + numbytes * 3, "\n");
+        LOG_DEBUG(messageBuffer);
+        delete messageBuffer;
+    }
 }
 
 bool memfll(const uint8_t *mem, uint8_t find, size_t numbytes)