Minutero

Introducción

El temporizador de VEX IQ (2.ª generación) permite controlar el tiempo transcurrido y realizar acciones en función de intervalos de tiempo. Se puede usar para medir la duración de una tarea o para reiniciarla y realizar nuevas operaciones de temporización.

A continuación se muestra una lista de todos los métodos:

Métodos: Controlar e interactuar con el temporizador del cerebro.

• time — Returns how much time has passed.

• clear — Resets the timer to zero.

• system — Returns the number of milliseconds the Brain has been powered on.

• system_high_res — Returns the number of microseconds the Brain has been powered on.

• event — Registers a function to be called after a specified number of milliseconds.

Constructor: crea temporizadores adicionales.

• Timer — Creates an additional timer.

tiempo

time returns the time since the timer was last reset as a decimal. The timer is automatically reset at the start of a project.

Usage:
brain.timer.time(units)

Parámetros	Descripción
units	The unit that represents the time: MSEC (default) – milliseconds, or SECONDS

# Display the current time on the timer
while True:
    brain.screen.set_cursor(1, 1)
    brain.screen.clear_screen()
    brain.screen.print(brain.timer.time(SECONDS))
    wait(50, MSEC)

claro

clear sets the timer to zero. This can be used to time additional sections of code within the same project.

Usage:
brain.timer.clear()

Parámetros	Descripción
	Este método no tiene parámetros.

# Reset the timer when a button is pressed
while True:
    brain.screen.set_cursor(1, 1)
    brain.screen.clear_screen()
    brain.screen.print(brain.timer.time(SECONDS))
    wait(50, MSEC)
    if brain.buttonCheck.pressing():
        brain.timer.clear()

sistema

system returns the number of milliseconds the brain has been powered on.

Usage:
brain.timer.system()

Parámetros	Descripción
	Este método no tiene parámetros.

# Display the time the brain has been on in milliseconds
while True:
    brain.screen.set_cursor(1, 1)
    brain.screen.clear_screen()
    brain.screen.print(brain.timer.system())
    brain.screen.print(" MSEC")
    wait(50, MSEC)

sistema_de_alta_resolución

system_high_res returns the number of microseconds the brain has been powered on.

Usage:
brain.timer.system_high_res()

Parámetros	Descripción
	Este método no tiene parámetros.

# Display the time the brain has been on in microseconds
while True:
    brain.screen.set_cursor(1, 1)
    brain.screen.clear_screen()
    brain.screen.print(brain.timer.system_high_res())
    wait(50, MSEC)

evento

event calls a function after a specified amount of time passes.

Usage:
brain.timer.event(callback, delay, arg)

Parámetros	Descripción
callback	Una función a ejecutar cuando ocurre el evento del temporizador.
delay	El retraso antes de que se llame a la función, en milisegundos.
arg	Opcional. Una tupla que contiene los argumentos que se pasarán a la función de devolución de llamada. Consulte Funciones con parámetros para obtener más información.

# Define a function timer_event
def timer_event():
    drivetrain.drive_for(FORWARD, 200, MM)

# Drive forward after a 5000 millisecond delay
brain.timer.event(timer_event, 5000)

Constructores

Constructors are used to manually create Timer objects, which are necessary for creating any additional timers besides brain.timer.

For the examples below, the configured Timer will be named timer_1 and will be used in all subsequent examples throughout this API documentation when referring to Timer class methods.

Timer

Timer creates a new timer. A Timer object will immediately begin counting the moment it is created and will work with all brain.timer methods.

Usage:
Timer()

Parámetros	Descripción
	Este constructor no tiene parámetros.

wait(2, SECONDS)
timer_1 = Timer()
while True:
    brain.screen.clear_screen()
    brain.screen.set_cursor(1, 1)
    brain.screen.print("Brain: ")
    brain.screen.print(brain.timer.time(SECONDS))
    brain.screen.next_row()
    brain.screen.print("timer_1: ")
    brain.screen.print(timer_1.time(SECONDS))
    wait(15, MSEC)