detecting

[Adafruit_Blinka-hackapet.git] / src / microcontroller / pin.py

diff --git a/src/microcontroller/pin.py b/src/microcontroller/pin.py
index c499364f77d669a3a03a2fa0cc3091abd1489f67..911eefe6bc3acf038b802d7995ff1c651a2c4aa1 100644 (file)
--- a/src/microcontroller/pin.py
+++ b/src/microcontroller/pin.py
@@ -97,7 +97,11 @@ elif chip_id == ap_chip.BINHO:
 elif chip_id == ap_chip.LPC4330:
     from adafruit_blinka.microcontroller.nxp_lpc4330.pin import *
 elif chip_id == ap_chip.MCP2221:
-    from adafruit_blinka.microcontroller.mcp2221.pin import *
+    if "BLINKA_FORCECHIP" not in os.environ:
+        from adafruit_blinka.microcontroller.mcp2221.pin import *
+    elif os.environ["BLINKA_FORCECHIP"] == "MCP2221":
+        from adafruit_blinka.microcontroller.fake_mcp2221.pin import *
+
 elif chip_id == ap_chip.A10:
     from adafruit_blinka.microcontroller.allwinner.a20.pin import *
 elif chip_id == ap_chip.A20: