X-Git-Url: https://git.ayoreis.com/Adafruit_Blinka-hackapet.git/blobdiff_plain/f3cf1b70552edcc205d694ce9814717be1c07679..987e70e7a61beeb703cf33ab9f9fa6b0ebc6ce1f:/src/analogio.py

diff --git a/src/analogio.py b/src/analogio.py
index ed1adfe..7d3f92a 100644
--- a/src/analogio.py
+++ b/src/analogio.py
@@ -9,7 +9,7 @@ Not supported by all boards.
 
 * Author(s): Carter Nelson, Melissa LeBlanc-Williams
 """
-
+import os
 import sys
 
 from adafruit_blinka.agnostic import detector
@@ -17,8 +17,12 @@ from adafruit_blinka.agnostic import detector
 # pylint: disable=ungrouped-imports,wrong-import-position,unused-import
 
 if detector.board.microchip_mcp2221:
-    from adafruit_blinka.microcontroller.mcp2221.analogio import AnalogIn
-    from adafruit_blinka.microcontroller.mcp2221.analogio import AnalogOut
+    if "BLINKA_FORCECHIP" not in os.environ:
+        from adafruit_blinka.microcontroller.mcp2221.analogio import AnalogIn
+        from adafruit_blinka.microcontroller.mcp2221.analogio import AnalogOut
+    elif os.environ["BLINKA_FORCECHIP"] == "MCP2221":
+        from adafruit_blinka.microcontroller.fake_mcp2221.analogio import AnalogIn
+        from adafruit_blinka.microcontroller.fake_mcp2221.analogio import AnalogOut
 elif detector.board.greatfet_one:
     from adafruit_blinka.microcontroller.nxp_lpc4330.analogio import AnalogIn
     from adafruit_blinka.microcontroller.nxp_lpc4330.analogio import AnalogOut