def __init__(self, connected_brick):
self._brick = connected_brick
self.left_motor = ev3.Motor(connected_brick, ev3.MOTOR_PORTS.PORT_D)
self.right_motor = ev3.Motor(connected_brick, ev3.MOTOR_PORTS.PORT_A)
self.ultrasonic = ev3.EV3UltrasonicSensor(connected_brick, ev3.SENSOR_PORTS.PORT_1).get_distance_mode()
# -*- coding: utf-8 -*-
import time
import ev3
import threading
print "starting"
time.sleep(1000)
# brick = ev3.connect_to_brick(address='10.0.1.1')
brick = ev3.connect_to_brick('00:16:53:3D:E4:77')
ultrasonic = ev3.EV3UltrasonicSensor(brick, 1)
distance = ultrasonic.get_selected_mode()
print "opened ultrasonic"
def time_that(iterations):
time_taken = 0.0
for _ in range(iterations + 1):
start = time.time()
sample = distance.fetch_sample()
end = time.time()
time_taken += end - start
print(end - start, sample)
print "time taken", time_taken
print "avg time", time_taken / iterations
print "Starting timer"
time_that(100000)
# -*- coding: utf-8 -*-
import time
from behaviors.fuzzy import *
import ev3
MIN_BLOCKING_DISTANCE = 0.20
MAX_BLOCKING_DISTANCE = 0.50
BRICK = ev3.connect_to_brick('10.0.1.1')
distance = ev3.EV3UltrasonicSensor(BRICK, 1).get_distance_mode()
class Cache(object):
def __init__(self):
self.value = 0
self.counter = 0
def get_distance(self):
if self.counter <= 0:
self.value = distance.fetch_sample()[0]
self.counter = 2
self.counter -= 1
if self.value <= -1: # means infinity, setting it to a high value
self.value = 1
return self.value
cache = Cache()