From: brentru <brent@adafruit.com>
Date: Tue, 2 Apr 2024 20:30:37 +0000 (-0400)
Subject: i2c scan and fake_mcp
X-Git-Tag: 8.39.0^2~10
X-Git-Url: https://git.ayoreis.com/Adafruit_Blinka-hackapet.git/commitdiff_plain/11d8e60c2f755a1410b5be5a5ede56ad513fffeb

i2c scan and fake_mcp
---

diff --git a/src/busio.py b/src/busio.py
index 6912f0c..cdce321 100644
--- a/src/busio.py
+++ b/src/busio.py
@@ -9,6 +9,7 @@ See `CircuitPython:busio` in CircuitPython for more details.
 
 * Author(s): cefn
 """
+import os
 
 try:
     import threading
@@ -50,8 +51,10 @@ class I2C(Lockable):
             self._i2c = _I2C(frequency=frequency)
             return
         if detector.board.microchip_mcp2221:
-            from adafruit_blinka.microcontroller.mcp2221.i2c import I2C as _I2C
-
+            if "BLINKA_FORCEBOARD" not in os.environ:
+                from adafruit_blinka.microcontroller.mcp2221.i2c import I2C as _I2C
+            elif os.environ["BLINKA_FORCEBOARD"] == "MICROCHIP_MCP2221":
+                from adafruit_blinka.microcontroller.fake_mcp2221.i2c import I2C as _I2C
             self._i2c = _I2C(frequency=frequency)
             return
         if detector.board.greatfet_one: