Merge meshcore-dev dev with companion and board integrations

examples/simple_sensor/main.cpp

@@ -165,6 +165,13 @@ void loop() {
 #endif
   Stream& console = mesh::usbConsolePort();
   int len = strlen(command);
+  // `command` must stay NUL-terminated within its bounds. If it ever isn't,
+  // strlen() above can return >= sizeof(command) and the loop below would then
+  // index past the buffer, so clamp defensively.
+  if (len >= (int)sizeof(command)) {
+    command[0] = 0;
+    len = 0;
+  }
   while (usb_ready && console.available() && len < sizeof(command)-1) {
     char c = console.read();
     if (c != '\n') {
@@ -173,8 +180,9 @@ void loop() {
     }
     console.print(c);
   }
-  if (len == sizeof(command)-1) {  // command buffer full
-    command[sizeof(command)-1] = '\r';
+  if (len == sizeof(command)-1) {  // buffer full: treat as a completed line
+    command[sizeof(command)-2] = '\r';  // place end-of-line marker inside the buffer
+    command[sizeof(command)-1] = 0;     // keep the buffer NUL-terminated
   }
 
   if (len > 0 && command[len - 1] == '\r') {  // received complete line