Day11


lab 11
//Servo Potentiometer Control
#include <Servo.h>
const int SERVO1 = 9; //Servo on Pin 9
const int SERVO2 = 8;
const int GREEN = 10;
const int BLUE = 11;
const int POT = 0; //POT on Analog Pin 0
Servo myServo1;
Servo myServo2;
int val1 = 0; //for storing the reading from the POT
int val2 =0;
void setup()
{
  Serial.begin(9600); //Serial Port at 9600 baud
  //Set pins as outputs
  myServo1.attach(SERVO1);
  myServo2.attach(SERVO2);
  pinMode(GREEN, OUTPUT);
pinMode(BLUE, OUTPUT);
}
void loop()
{
  //Keep working as long as data is in the buffer
  while (Serial.available() > 0)
  {
    //
       val1 = Serial.parseInt(); //First valid integer
       val2 = Serial.parseInt(); //Second valid integer
    //    bval = Serial.parseInt(); //Third valid integer
    //
    //
   
    if (Serial.read() == '\n') //Done transmitting
    {
      if (val2 >= 0 && val2 <= 179)
      {
        digitalWrite(GREEN, LOW);
        myServo1.write(val2);
      }
      else
        digitalWrite(GREEN, HIGH);
       
        if (val1 >= 0 && val1 <= 179)
      {
        digitalWrite(11, LOW);
        myServo2.write(val1);
      }
      else
        digitalWrite(11, HIGH);

    }

  }

}


Homework
/*  This program generates a summary report from              */
/*  a data file that has a trailer record with                */
/*  negative values.                                          */
#include <stdio.h>
#define FILENAME "sensor2.txt"
int main(void)
{
/*  Declare and initialize variables.  */
int num_data_pts=0;
double time, motion, sum=0, max, min;
FILE *sensor;
/*  Open file and read the first data point.  */
sensor = fopen(FILENAME,"r");
if (sensor == NULL)
printf("Error opening input file.  \n");
else
{
fscanf(sensor,"%lf %lf",&time,&motion);
/*  Initialize variables using first data point.  */
max = min = motion;
/*  Update summary data until trailer record read.  */
do
{
sum += motion;
if (motion > max)
max = motion;
if (motion < min)
min = motion;
num_data_pts++;
fscanf(sensor,"%lf %lf",&time,&motion);
} while (time >= 0);
/*  Print summary information.  */
printf("Number of sensor readings: %d \n",num_data_pts);
printf("Maximum reading:           %.2f \n",max);
printf("Minimum reading:           %.2f \n",min);
printf("Average:                   %.2f \n",sum/num_data_pts);
fclose(sensor);   /*  Close file.  */
}
return 0;/*  Exit program.  */
}

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