gamepad_poll_rate.py

import time
from queue import Queue
from inputs import devices

QUEUESIZE = 20
TARGET_AXIS = "LX"

AXES = {
    "ABS_X": "LX",
    "ABS_Y": "LY",
    "ABS_RX": "RX",
    "ABS_RY": "RY",
    "ABS_Z": "LT",
    "ABS_RZ": "RT"
}

def main():
    gamepads = devices.gamepads
    print(gamepads)
    assert len(gamepads) == 1
    gamepad = devices.gamepads[0]
    
    last_state = None
    q = Queue(maxsize=QUEUESIZE)
    while True:
        if q.qsize() == QUEUESIZE:
            break
        events = gamepad.read()
        for event in events:
            if event.ev_type == "Absolute":
                xbox_axis = AXES[event.code]
                if xbox_axis == TARGET_AXIS and event.state != last_state:
                    current_time = time.time()
                    q.put(current_time)
                    last_state = event.state
    
    while True:
        events = gamepad.read()
        for event in events:
            if event.ev_type == "Absolute":
                xbox_axis = AXES[event.code]
                if xbox_axis == TARGET_AXIS and event.state != last_state:
                    current_time = time.time()
                    prev_time = q.get()
                    q.put(current_time)
                    timedelta = current_time - prev_time
                    rate = (QUEUESIZE - 1) / timedelta
                    print("Polling rate: {:0.2f} Hz".format(rate))
                    last_state = event.state

if __name__ == "__main__":
    main()