support setting ports on DemoBoard, e.g. tt.ui_in = 42

Author: psychogenic

src/ttboard/demoboard.py

@@ -585,3 +585,9 @@ def __repr__(self):
         shuttle_run = self.shuttle.run
         return f"<DemoBoard in {RPMode.to_string(self.mode)}{autoclocking} {shuttle_run} project '{self.shuttle.enabled}'{reset}>"
 
+    def __setattr__(self, name:str, value):
+        if hasattr(self, name) and name in ['ui_in', 'uio_in', 'uio_oe_pico', 'uo_out', 'uio_out']:
+            port = getattr(self, name)
+            port.value = value 
+            return
+        super().__setattr__(name, value)

src/ttboard/ports/io.py

@@ -13,8 +13,6 @@ def __init__(self, name:str, read_byte_fn=None, write_byte_fn=None):
         port = IOPort(name, read_byte_fn, write_byte_fn)
         super().__init__(port)
         self.port = port
-        
-    
         self.byte_read = read_byte_fn 
         self.byte_write = write_byte_fn
 
@@ -35,7 +33,6 @@ def byte_read(self, func):
     @property 
     def byte_write(self):
         return self.port.byte_write
-    
     @byte_write.setter 
     def byte_write(self, func):
         self.port.byte_write = func