Msc1G2:Student4

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Prototype

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Video of prototype here?



Group2 151215 2ndprototype.jpg 1st silicone prototype for pneumatic actuators

Group2 151215 3rdprototype.jpg 2nd silicone prototype for pneumatic actuators

Simulation

Put text here? أبجد هوز دولور الجلوس امات ، إيليت ، حوار لا والحيوية ، بحيث العمل و السمنة . على مر السنين، وسوف يأتي ، الذي يمارس ، مدرسة حي ميزة من ذلك، ولكن ل للعمل . وقد انتقد Duis في متعة من الألم في الرغبة في أن يكون irure واحد يهرب غير مؤلمة الاتحاد الأوروبي لا ينتج الناتجة . السود لا نأمل أن تتخلى عن مخنث و معنوياتهم ، وهذا هو ، المتعاقدين في الإهمال وجبات خفيفة خامسة




Setup and arduino code

Group2 20160126 Prototype setup.jpg

//sensor.h defenition (used instead of void)
struct Sensor;

Sensor nextState(Sensor);
// Arduino code for Swarmscape prototype 2015-01-26
// Setup: FSR pressure sensors + array outputs linked to electronic valves

#include "sensor.h"
#include <TimerOne.h>

// Setting constants
int ledPin = 13;
int SENSOR_THRESHOLD = 40;
int SENSOR_TIMEOUT = 50;
int DEFLATE_TIMEOUT = 70;
int PRESSUREMAP_LOW = 0;
int PRESSUREMAP_HIGH = 750;
int MEASURE_TRESHOLD = 7;

// Building the structure
enum sensorState {
  set1,
  set2,
  idle,
  activated,
  measure,
  released,
  timed_out,
  deflate
};

struct Sensor {
  sensorState state;
  int pin;
  int time;
  int pressure;
  int out_pin;
  int defl_pin1;
  int defl_pin2;
};

Sensor sensor1 = {set1, A0, 0, 80, 12, 11, 14};
Sensor sensor2 = {set1, A1, 0, 80, 9, 7, 18};
Sensor sensor3 = {set1, A2, 0, 80, 5, 3, 22};


void setup() {
  Serial.begin(9600);
    
  pinMode(sensor1.pin, INPUT);
  pinMode(sensor2.pin, INPUT);
  pinMode(sensor3.pin, INPUT);
  
  pinMode(sensor1.out_pin, OUTPUT);
  pinMode(sensor2.out_pin, OUTPUT);
  pinMode(sensor3.out_pin, OUTPUT);
  
  pinMode(ledPin, OUTPUT);
  
  pinMode(sensor1.defl_pin1, OUTPUT);
  pinMode(sensor1.defl_pin2, OUTPUT);
  pinMode(sensor2.defl_pin1, OUTPUT);
  pinMode(sensor2.defl_pin2, OUTPUT);
  pinMode(sensor3.defl_pin1, OUTPUT);
  pinMode(sensor3.defl_pin2, OUTPUT);  
  
  Timer1.initialize(50000);         // initialize timer1, and set a 1/2 second period
  
  Timer1.attachInterrupt(callback);  // attaches callback() as a timer overflow interrupt
  
  Serial.println("Start: ");
  Serial.print("sensor1: ");
  Serial.print(sensor1.state); Serial.print(' ');
  Serial.print(sensor1.pin); Serial.print(' ');
  Serial.print(sensor1.time); Serial.print(' ');
  Serial.println(sensor1.out_pin);
  Serial.print("sensor2: ");
  Serial.print(sensor2.state); Serial.print(' ');
  Serial.print(sensor2.pin); Serial.print(' ');
  Serial.print(sensor2.time); Serial.print(' ');
  Serial.println(sensor2.out_pin);
  Serial.print("sensor3: ");
  Serial.print(sensor3.state); Serial.print(' ');
  Serial.print(sensor3.pin); 
}


void callback() {
  sensor1 = nextState(sensor1);
  sensor2 = nextState(sensor2);
  sensor3 = nextState(sensor3);
  
  Serial.print("State 1: ");
  Serial.print(sensor1.state);Serial.print(";");
  Serial.print(sensor1.time);
  
  Serial.print("State 2: ");
  Serial.print(sensor2.state);Serial.print(";");
  Serial.print(sensor2.time);
  
  Serial.print("State 3: ");
  Serial.print(sensor3.state);Serial.print(";");
  Serial.print(sensor3.time);
  Serial.print("\n");
  
}

void loop()
{
  // your program here...
}



Sensor nextState(Sensor sensor) {
  Sensor nextState = {sensor.state, sensor.pin, sensor.time, sensor.pressure, sensor.out_pin, 
sensor.defl_pin1, sensor.defl_pin2};
  boolean pressed = analogRead(sensor.pin) > SENSOR_THRESHOLD;  
  
  switch (sensor.state) {
// Setup state
    case set1:
      digitalWrite(sensor.out_pin, 1);
      nextState.state = set2;
      nextState.state = idle;
      break;
      
    case set2:
      nextState.time ++;  
      if (sensor.time > 50) {
      digitalWrite(sensor.defl_pin1, 0);
      digitalWrite(sensor.defl_pin2, 0);
      nextState.time = 0;
      nextState.state = idle;
      }
      else {
        nextState.state = set2;
      }
      break;
// Idle state
    case idle:
      nextState.time = 0;
      if (pressed) {
        nextState.state = measure;
      } else {
        nextState.state = idle;
      }
      break;
// Measurementstate
    case measure:
        nextState.time++;
        if(sensor.time > MEASURE_TRESHOLD);
          digitalWrite(sensor.out_pin, 0);
          sensor.pressure = analogRead(sensor.pin);
          nextState.time = 0;
          nextState.state = activated;
        }
        else {
          nextState.state = measure;
        }
      break;
// Activated state
    case activated:
      if (pressed) {
        nextState.time ++;
      } else {
        nextState.state = timed_out;
      }
      
      if (sensor.time > SENSOR_TIMEOUT) {
        nextState.state = timed_out;
      }
      
      break;
// Released state (stays up)
    case released:
      digitalWrite(sensor.out_pin, 1);
      nextState.time++;
      if(sensor.time > map(sensor.pressure, 0, 1024, PRESSUREMAP_LOW, PRESSUREMAP_HIGH)) {
        digitalWrite(ledPin, 0);
        nextState.time = 0;
        nextState.state = deflate;
      }
      else {
        digitalWrite(ledPin, 1);
        nextState.state = released;
      }
      break;
// Time-out state      
    case timed_out:    
      digitalWrite(sensor.out_pin, 1);
      if (pressed) {
        nextState.state = timed_out;
      } else {
        nextState.state = released;
      }
      break;
// Deflate state      
    case deflate:
      nextState.time++;
      digitalWrite(sensor.defl_pin1, 0);
      digitalWrite(sensor.defl_pin2, 0); 
      if (sensor.time > DEFLATE_TIMEOUT) {
        digitalWrite(sensor.defl_pin1, 1);
        digitalWrite(sensor.defl_pin2, 1); 
        nextState.state = idle;      
      }
      else {
        nextState.state = deflate;
      }
      break;
    default:
      break;
  }
  return nextState;
}

Documentation