feat: add test_up.py for controlling UP_PIN with GPIO

Author: sgbaird

scripts/test_up.py

@@ -0,0 +1,33 @@
+# test_up.py
+import time
+import RPi.GPIO as GPIO
+
+UP_PIN = 17  # BCM numbering, physical pin 11
+
+GPIO.setmode(GPIO.BCM)
+
+def release_up():
+    # High-impedance: "button not pressed"
+    GPIO.setup(UP_PIN, GPIO.IN, pull_up_down=GPIO.PUD_OFF)
+
+def press_up():
+    # Drive low: "button pressed"
+    GPIO.setup(UP_PIN, GPIO.OUT, initial=GPIO.LOW)
+
+try:
+    # Make sure we're released at start
+    release_up()
+    print("Ready. Desk should NOT move yet.")
+    
+    input("Press Enter to move UP for 2 seconds...")
+
+    print("Moving UP...")
+    press_up()
+    time.sleep(2.0)   # adjust if you want a shorter/longer test
+    release_up()
+    print("Released UP. Test finished.")
+
+finally:
+    # Ensure we leave the line released
+    release_up()
+    GPIO.cleanup()