hook analogio

diff --git a/examples/analog_in.py b/examples/analog_in.py
index af936d1ad6318bab4060cabdae78ad16036bc027..52abb43fe8627d5df2bdb37e92325ee0d0d609a3 100644 (file)
--- a/examples/analog_in.py
+++ b/examples/analog_in.py
@@ -6,7 +6,7 @@ import time
 import board
 from analogio import AnalogIn
 
-analog_in = AnalogIn(board.A1)
+analog_in = AnalogIn(board.G1)
 
 
 def get_voltage(pin):

diff --git a/src/analogio.py b/src/analogio.py
index ed1adfe8acc2ace42c588cfaeb4c618af2cdfa61..7d3f92af1ef75b5e02053d764ae566b99be8a411 100644 (file)
--- 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