# Task for testing that the timer functions are working OK. Blue, green

# and yellow LEDs should flash synchronously at 1Hz, red LED should not

# illuminate.

from pyControl.utility import *

from devices import *

# Hardaware

blue_LED = Digital_output("B4")

red_LED = Digital_output("A13")

green_LED = Digital_output("A14")

yellow_LED = Digital_output("A15")

# States and events.

states = ["blue_off", "blue_on", "red_on"]

events = [

"blue_timer",

"green_timer",

"red_timer",

"pause_timer",

"unpause_timer",

"disarm_timer",

"yellow_timer",

"unused_timer",

]

initial_state = "blue_on"

# Variables.

# Define behaviour.

def run_start():

green_LED.on()

yellow_LED.on()

set_timer("green_timer", 0.2 * second)

set_timer("pause_timer", 0.1 * second)

set_timer("yellow_timer", 0.5 * second)

def blue_on(event):

if event == "entry":

timed_goto_state("blue_off", 0.5 * second)

blue_LED.on()

elif event == "exit":

blue_LED.off()

def blue_off(event):

if event == "entry":

set_timer("blue_timer", 0.5 * second)

timed_goto_state("red_on", 0.6 * second)

elif event == "blue_timer":

goto_state("blue_on")

def red_on(event):

if event == "entry":

red_LED.on()

def all_states(event):

if event == "green_timer":

set_timer("green_timer", 0.2 * second, output_event=True)

set_timer("pause_timer", 0.1 * second)

set_timer("red_timer", 50 * ms)

set_timer("disarm_timer", 40 * ms)

green_LED.toggle()

elif event == "pause_timer":

pause_timer("green_timer")

set_timer("unpause_timer", 0.3 * second)

elif event == "unpause_timer":

unpause_timer("green_timer")

print("Timer remaining : {}".format(timer_remaining("green_timer")))

print("Not set remaining: {}".format(timer_remaining("unused_timer")))

elif event == "red_timer":

goto_state("red_on")

elif event == "disarm_timer":

disarm_timer("red_timer")

elif event == "yellow_timer":

reset_timer("yellow_timer", 0.5 * second)

set_timer("yellow_timer", 0.75 * second)

yellow_LED.toggle()