lsm6dsox: Improve handling of step interrupt.

Signed-off-by: Sebastian Romero <s.romero@arduino.cc>

Author: sebromero

micropython/drivers/imu/lsm6dsox/lsm6dsox_pedometer.py

@@ -25,21 +25,25 @@
 lsm.pedometer_config(debounce=5, int1_enable=True, int2_enable=True)
 
 # Register interrupt handler on a Pin. e.g. D8
-# The interrupt pins are open-drain, so they will be pulled low when a step is detected.
-# We configure the host pin with a pull-up resistor to ensure it stays high when not active.
-interrupt_pin = Pin("D8", Pin.IN, Pin.PULL_UP)
-
+# The interrupt pins are push-pull outputs by default that go low when a step is detected.
+# You can connect either INT1 or INT2 to the interrupt pin.
+interrupt_pin = Pin("D8", Pin.IN) # Change this to your desired interrupt pin.
+interrupt_fired = False  # Flag to indicate if the interrupt has been fired.
 
 def on_step_detected(pin):
-    print("Steps detected!")
-
+    global interrupt_fired
+    interrupt_fired = True
 
 # Configure the interrupt pin to trigger on falling edge (active low) when a step is detected.
 interrupt_pin.irq(trigger=Pin.IRQ_FALLING, handler=on_step_detected)
 
 last_steps = None  # Keep track of the last step count to detect changes.
 
 while True:
+    if interrupt_fired:
+        print("Step detected!")
+        interrupt_fired = False  # Reset the flag after handling the interrupt.
+
     steps = lsm.steps()
 
     if steps != last_steps: