Provide support for spi_transfer16

HISTORY.md

@@ -1,5 +1,10 @@
 # History
 
+## 0.14.0 (2025-09-05)
+
+* Provide support for teensytoany firmware 0.18.0 for ``spi_transfer16`` command.
+* The returned value from ``spi_transfer`` is also returned as an integer.
+
 ## 0.13.0 (2025-08-22)
 
 * Consolidate multiple entry points into a single `teensytoany` command with subcommands:

teensytoany/teensytoany.py

@@ -1085,7 +1085,20 @@ def spi_end_transaction(self):
         return self._ask("spi_end_transaction")
 
     def spi_transfer(self, data):
-        return self._ask(f"spi_transfer {data}")
+        returned = self._ask(f"spi_transfer {data}")
+        if returned is not None and len(returned) > 0:
+            # Before teensytoany firmware version 0.18.0
+            # This function would not return any data
+            # We write this code in a compatible way
+            # https://github.com/ramonaoptics/teensy-to-any/pull/47/files
+            return int(returned, base=0)
+        return None
+
+    def spi_transfer16(self, data):
+        returned = self._ask(f"spi_transfer16 {data}")
+        # It should return exactly one value as a string
+        # We convert it back to an integer for the user.
+        return int(returned, base=0)
 
     def spi_transfer_bulk(self, data):
         returned = self._ask(