Set DYLD search path for homebrew libusb on macOS

Author: cdwilson

bin/detect.py

@@ -21,8 +21,15 @@
 
 """
 
+import os
+import sys
+
 import adafruit_platformdetect
 
+# Needed to find libusb installed by homebrew on Apple Silicon
+if sys.platform == "darwin":
+    os.environ["DYLD_FALLBACK_LIBRARY_PATH"] = "/opt/homebrew/lib/"
+
 detector = adafruit_platformdetect.Detector()
 
 print("Chip id: ", detector.chip.id)