C++ (Cpp) LEDnum Examples

Example #1

File: Race code track A.c Project: nathan-leung/Line-Following-Car

// line following function (black line on white ground)
void stayOnTrack (int PWR) // PWR is the desired power for the motors
{
  setMotor(MOTOR_A, -PWR);
  setMotor(MOTOR_B, PWR);
  
  LEDnum(0);
  while(getSensor(BUMPER) == 0) // make sure it hasn't crashed
  {
    //Both sensors detect white -> Go straight
    while (getSensor(REFLECT_1) >= 200 && getSensor(REFLECT_2) >= 200
           && getSensor(BUMPER) == 0)
    {
      
      setMotor(MOTOR_A, -PWR);
      setMotor(MOTOR_B, PWR);
      LEDnum(7);
    }
      
    //REFLECT_1 detects black, REFLECT_2 detects white -> Pivot right
    if (getSensor(REFLECT_1) < 200 && getSensor(REFLECT_2) >= 200)
    {
      setMotor(MOTOR_A, PWR); 
      setMotor(MOTOR_B, PWR);
      LEDnum(1);
    }
    
    //REFLECT_1 detects white, REFLECT_2 detects black -> Turn left
    if (getSensor(REFLECT_1) >= 200 && getSensor(REFLECT_2) < 200)
    {
      setMotor(MOTOR_A, -PWR);
      setMotor(MOTOR_B, PWR / 1.5); 
      LEDnum(0);
    }
   
    //Both detect black -> Pivot Right
    if(getSensor(REFLECT_1) < 200 && getSensor(REFLECT_2) < 200)
    {
    	setMotor(MOTOR_A, PWR); 
     	setMotor(MOTOR_B, PWR);
			
    }
    wait1Msec(10);

    
  }
}

Example #2

File: Group01_CourseC.c Project: ashwynchadha/Fuel-Cell-Car

void main (void)
{
  initialize();
  wait1Msec(200);
  
  //initialize values
  int pwr = 15;
  int sensorState = -1;
  //determine these values by running the calibration program first
  int threshold1 = 150;
  int threshold2 = 150;
  int delay = 10;
  
  //initialize motors and LED indicators
  setMotor (MOTOR_A, 0);
  setMotor (MOTOR_B, 0);
  LEDnum(0);
  LEDoff(RED_LED);
  LEDoff(GREEN_LED);

  //waits for a button press
  while(getSensor(BUTTON) == 0);
  wait1Msec(100);
  while(getSensor(BUTTON) == 1);
  
  resetTimer(); 
  while(getSensor(BUTTON)== 0 && time100() < 64) { 
  //line follows for 6.4 seconds
    if (sensorState != getSensorState(threshold1, threshold2)) { 
    //only change direction if conditions are different than before. 
      sensorState = getSensorState(threshold1,threshold2);
      if (sensorState == 0) { //go straight
        drive(15, delay);
      } else if (sensorState == 1){
        rightTurn(15,delay);
      } else if (sensorState == 2){
        leftTurn(15, delay);
      } else if (sensorState == 3){
        rightTurn(15, delay);
      }  
    }
  } 
  //hard code exit 2
  rightTurn(pwr,2400);
  drive(pwr,9400);
  leftTurn(pwr,1500);
  drive(pwr,20000);
}

Example #3

File: ex3.cpp Project: arunjey/Cplusplus-Code

void main()
{
  initialize();
  
  
  while (getSensor(BUTTON) != 1){}
  wait1Msec(200);
  while (getSensor(BUTTON) != 0){}
  LEDon(RED_LED);
  LEDoff(GREEN_LED);
  
  for (int i = 0; i < 8; i++)
  {
    LEDnum(i);
    wait1Msec(500);
  }
  

}

Example #4

File: light sensor.cpp Project: arunjey/Cplusplus-Code

void main()
{
	initialize();
        wait1Sec(2);
  
  LEDon(RED_LED);
  LEDoff(GREEN_LED);
    LEDnum(3);
  volatile int x = 0;
  
  while (getSensor(BUTTON) != 1){}
  wait1Msec(200);
  while (getSensor(BUTTON) != 0){}
         
  LEDon(GREEN_LED);
  LEDoff(RED_LED);
  LEDnum(3);
  while (getSensor(BUMPER) != 1)
  {
  if (getSensor(REFLECT_2) <0)
    LEDnum(0);
  else if (getSensor(REFLECT_2)<75)
  {
    LEDnum(1);
    setMotor(MOTOR_A, 10);
  }
  else if (getSensor(REFLECT_2)<150)
    LEDnum(2);
  else if (getSensor(REFLECT_2)<175)
    LEDnum(3);
  else if (getSensor(REFLECT_2)<200)
    LEDnum(4);  
  else if (getSensor(REFLECT_2)<250)
    LEDnum(5);  
   else if (getSensor(REFLECT_2)<300)
    LEDnum(6); 
  else if (getSensor(REFLECT_2)>300)
    LEDnum(7);   
  }
  wait1Msec(200);
  while (getSensor(BUMPER) != 0);
  wait1Msec(200);
while (getSensor(BUMPER) != 1)
  {
  if (getSensor(REFLECT_1) <0)
    LEDnum(0);
  else if (getSensor(REFLECT_1)<75)
    LEDnum(1);
  else if (getSensor(REFLECT_1)<150)
    LEDnum(2);
  else if (getSensor(REFLECT_1)<175)
    LEDnum(3);
  else if (getSensor(REFLECT_1)<200)
    LEDnum(4);  
  else if (getSensor(REFLECT_1)<250)
    LEDnum(5);  
   else if (getSensor(REFLECT_1)<300)
    LEDnum(6); 
  else if (getSensor(REFLECT_1)>300)
    LEDnum(7);   
  }
  wait1Msec(200);
  while (getSensor(BUMPER) != 0);
}