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PLTW Vex Elevator code 
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Joined: Wed May 04, 2016 11:24 pm
Posts: 1
Post PLTW Vex Elevator code
Hi, in my engineering class in school I was instructed to design an elevator with three floors where when each bump switch was pressed, the elevator would move to that floor with its corresponding LED lighting up (floor 1: green, 2: yellow, 3: red). In my class, we haven't learned how to create a toggle out of a bump switch so I tried my best to create a piece of code that would move the elevator if the bump switch was held down. I'm not sure if this works yet because I simply typed it up in a notepad document at home because I don't have the Robot C software at home or my physical project with me. I was wondering if someone could take a look at what I wrote to:
1. Tell me if it works or not regardless of how awkward the inputs might be
2. Give me and pointers on how to improve or optimize it
3. Show me a simple way to create a toggle on the switch so the if requirement isn't just if(SensorValue[bumpn]==1)

btw I am using the PLTW software on robot C in Natural Language

Thank you to anyone who responds and can help me out

code:

int bottom == .1 //check to make sure these values are correct for where you want the elevator to stop at, in inches//
int middle == 2.5
int top == 5

void f1 ()

void f2 ()

void f3 ()

void elevatorfcn ()

void timeout ()

cleartimer[T1]

task main()
{
while(1==1)
{
if(timer1[T1]<30000)
{
elevatorfcn ();
}
else if(time1[T1]==30000)
{
timeout ();
}
}
}

void f1 ()
{
while(1==1)
{
if(SensorValue[bump1]==1 && SensorValue[sonar]>.1)
{
cleartimer[T1];
turnLEDOn(G);
startMotor(elevator, 63); //make sure to test if down or up is negative or positive on the power value//
untilsonarlessthan(.2, sonar);
stopMotor(elevator);
}
}
}

void f2 ()
{
while(1==1)
{
if(SensorValue[bump2]==1 && SensorValue[sonar]<2.5)
{
cleartimer[T1]
turnLEDOn(Y);
startMotor(elevator, 63);
untilsonargreaterthan(2.5, sonar);
stopMotor(elevator);
}
else if(SensorValue[bump2]==1 && SensorValue[sonar]>2.5)
{
cleartimer[T1];
turnLEDOn(Y);
startMotor(elevator, -63);
untilsonarlessthan(2.6, sonar);
stopMotor(elevator);
}
}
}

void f3 ()
{
while(1==1);
{
if(SensorValue[bump3]==1 && SensorValue[sonar]<5)
{
cleartimer[T1];
turnLEDOn(R);
startMotor(elevator, 63);
untilSonargreaterthan(4.9, sonar);
stopMotor(elevator);
}
}
}

void elevatorfcn ()
{
while(1==1)
{
f1 ();
f2 ();
f3 ();
}
}

void timeout ()
{
turnLEDOn(G);
startMotor(elevator, -63)
untilsonarlessthan(.2, sonar);
stopMotor(elevator);
}


Wed May 04, 2016 11:34 pm
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