Vex CORTEX Manual de instrucciones descargar pdf (Pagina 55)

Reference

Project Lead The Way

and Carnegie Mellon Robotics Academy

/ For use with VEX

Robotics Systems

Main Title • 2

#pragma cong(Sensor, dgtl1, Estop, sensorTouch)

#pragma cong(Sensor, dgtl2, controlBtn, sensorTouch)

#pragma cong(Sensor, dgtl3, LED, sensorDigitalOut)

task main()

{

while(SensorValue[Estop] == 0)

{

if(SensorValue[controlBtn] == 1)

{

turnLEDOn(LED);

}

else

{

turnLEDOff(LED);

}

Checks if count is “less than” 4.

task main()

{

int count = 0;

while(count < 4)

{

startMotor(port2, 63);

wait(5.0);

startMotor(port2, -63);

wait(5.0);

count = count + 1;

}

Below is an example of a program using a counter-controlled While Loop.

Creates an integer variable named

“count” and gives it an initial value of 0.

Adds 1 to count every time the loop runs.

Result: The loop repeats 4 times, caus-

ing the port2 motor to turn back and

forth, four times.

Checks if the “Estop” touch sensor

is equal to 0 (unpressed).

Below is an example of a program using a sensor-controlled While Loop.

If the “controlBtn” is pressed, turn the

LED on; if it’s not, turn the LED off.

Result: The loop repeats continuously,

allowing the LED to be turned on while

the “controlBtn” is pressed, and off while

“controlBtn” is released. The loop will

stop as soon as the “Estop” touch sensor

is pressed.

While Loops with Natural Language

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Vex CORTEX Manual de instrucciones Pagina 55

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