move tests to pyutest test/ dir

[hackapet/Adafruit_Blinka.git] / src / busio.py

diff --git a/src/busio.py b/src/busio.py
index c9c2d4d00e0f66349ec5923b25852bcdad941566..70ead8822875364f40ebb40bdf109db15ad05b25 100644 (file)
--- a/src/busio.py
+++ b/src/busio.py
@@ -9,6 +9,8 @@ See `CircuitPython:busio` in CircuitPython for more details.
 
 * Author(s): cefn
 """
+import os
+
 try:
     import threading
 except ImportError:
@@ -53,6 +55,18 @@ class I2C(Lockable):
 
             self._i2c = _I2C(frequency=frequency)
             return
+
+        if (
+            "BLINKA_FORCECHIP" in os.environ
+            and os.environ["BLINKA_FORCEBOARD"] == "GENERIC_AGNOSTIC_BOARD"
+        ):
+            from adafruit_blinka.microcontroller.generic_agnostic_board.i2c import (
+                I2C as _I2C,
+            )
+
+            self._i2c = _I2C(frequency=frequency)
+            return
+
         if detector.board.greatfet_one:
             from adafruit_blinka.microcontroller.nxp_lpc4330.i2c import I2C as _I2C