blacken

Author: brentru

src/adafruit_blinka/microcontroller/fake_mcp2221/pin.py

@@ -27,18 +27,24 @@ def init(self, mode=IN, pull=None):
         if self.id is None:
             raise RuntimeError("Can not init a None type pin.")
         if pull is not None:
-            raise NotImplementedError(
-                "Internal pullups and pulldowns not supported on the MCP2221"
-            )
-        if mode == Pin.ADC:
+            raise NotImplementedError("Internal pullups and pulldowns not supported")
+        if mode in (Pin.IN, Pin.OUT):
+            # All pins can do GPIO
+            # mcp2221.gp_set_mode(self.id, mcp2221.GP_GPIO)
+            # mcp2221.gpio_set_direction(self.id, mode)
+            self._mode = mode
+        elif mode == Pin.ADC:
             # ADC only available on these pins
             if self.id not in (1, 2, 3):
                 raise ValueError("Pin does not have ADC capabilities")
-            # Do nothing
+            # mcp2221.gp_set_mode(self.id, mcp2221.GP_ALT0)
+            # mcp2221.adc_configure()
         elif mode == Pin.DAC:
             # DAC only available on these pins
             if self.id not in (2, 3):
                 raise ValueError("Pin does not have DAC capabilities")
+            # mcp2221.gp_set_mode(self.id, mcp2221.GP_ALT1)
+            # mcp2221.dac_configure()
         else:
             raise ValueError("Incorrect pin mode: {}".format(mode))
         self._mode = mode