Code that measures pressure from 6-piezoresistive force sensors (3 per foot) to the six analog pins of the Arduino

ArduinoAnalogFSR

/* FSR sampling class
@class ArduinoAnalogFSR
@author rohanbk
 */

int rtoe, rfirstm,rfourthm,rheel,ltoe, lfirstm,lfourthm,lheel;

int debugpin=13;
void setup()
{
  Serial.begin(115200);      // sets the serial line to baud rate 115200
  pinMode(debugpin,OUTPUT);
  digitalWrite(debugpin,HIGH);
}

void loop() 
{
  rtoe = map(analogRead(0), 0, 550, 0, 3000);      // read analog input pin 0
  rfirstm = map(analogRead(1), 0, 550, 0, 3000);       // read analog input pin 1
  rheel = map(analogRead(2), 0, 550, 0, 3000);      // read analog input pin 3
  
  ltoe = map(analogRead(3), 0, 550, 0, 3000);      // read analog input pin 0
  lfirstm = map(analogRead(4), 0, 550, 0, 3000);       // read analog input pin 1
  lheel = map(analogRead(5), 0, 550, 0, 3000);
  
 
  Serial.print("(");
  Serial.print(rtoe);
  Serial.print(",");       // prints a space between the numbers
  Serial.print(rfirstm);
  Serial.print(",");       // prints a space between the numbers
  Serial.print(rheel);
  Serial.print(",");       // prints a space between the numbers
  Serial.print(ltoe);
  Serial.print(",");       // prints a space between the numbers
  Serial.print(lfirstm);
  Serial.print(",");       // prints a space between the numbers
  Serial.print(lheel);
  Serial.print(")\n");
}

int RCtime(int RCpin) {
 int reading = 0;  // start with 0
 
  // set the pin to an output and pull to LOW (ground)
  pinMode(RCpin, OUTPUT);
  digitalWrite(RCpin, LOW);
 
  // Now set the pin to an input and...
  pinMode(RCpin, INPUT);
  while (digitalRead(RCpin) == LOW) { // count how long it takes to rise up to HIGH
    reading++;      // increment to keep track of time 
 
    if (reading == 3000) {
      // if we got this far, the resistance is so high
      // its likely that nothing is connected!
      break;           // leave the loop
    }
  }
  // OK either we maxed out at 30000 or hopefully got a reading, return the count
 
  return reading;
}