Atelier CAO

 //Mux_Shield_AnalogIn_Example
 
 //http://mayhewlabs.com/arduino-mux-shield
 
 
 
 /*
 
 This example shows how to read and store all 48 pins as analog inputs into arrays and print the results over serial.
 
 Multiplexer pin inputs that do not have a voltage reading (i.e nothing connected) will have erratic values.
 
 
 
 To simplify this code further, one might use nested for loops or function calls.
 
 */
 
 
 
 //Give convenient names to the control pins
 
 #define CONTROL0 5    
 
 #define CONTROL1 4
 
 #define CONTROL2 3
 
 #define CONTROL3 2
 
 
 
 //Create arrays for data from the the MUXs
 
 //See the Arduino Array Reference: http://www.arduino.cc/en/Reference/Array
 
 int mux0array[16];
 
 int mux1array[16];
 
 int mux2array[16];
 
 
 
 void setup()
 
 {
 
   //Set MUX control pins to output
 
   pinMode(CONTROL0, OUTPUT);
 
   pinMode(CONTROL1, OUTPUT);
 
   pinMode(CONTROL2, OUTPUT);
 
   pinMode(CONTROL3, OUTPUT);
 
   
 
   //Open the serial port at 28800 bps
 
   Serial.begin(28800);
 
 }
 
   
 
 
 
 void loop()
 
 {
 
   //This for loop is used to scroll through and store the 16 inputs on the FIRST multiplexer
 
   for (int i=0; i<16; i++)
 
   {
 
     //The following 4 commands set the correct logic for the control pins to select the desired input
 
     //See the Arduino Bitwise AND Reference: http://www.arduino.cc/en/Reference/BitwiseAnd
 
     //See the Aruino Bitshift Reference: http://www.arduino.cc/en/Reference/Bitshift
 
     digitalWrite(CONTROL0, (i&15)>>3); 
 
     digitalWrite(CONTROL1, (i&7)>>2);  
 
     digitalWrite(CONTROL2, (i&3)>>1);  
 
     digitalWrite(CONTROL3, (i&1));     
 
     
 
     //Read and store the input value at a location in the array
 
     mux0array[i] = analogRead(0);
 
   }
 
   
 
   //This for loop is used to scroll through the SECOND multiplexer
 
   for (int i=0; i<16; i++)
 
   {
 
     digitalWrite(CONTROL0, (i&15)>>3); 
 
     digitalWrite(CONTROL1, (i&7)>>2);  
 
     digitalWrite(CONTROL2, (i&3)>>1);  
 
     digitalWrite(CONTROL3, (i&1));     
 
     mux1array[i] = analogRead(1);
 
   }
 
   
 
   //This for loop is used to scroll through the THIRD multiplexer
 
   for (int i=0; i<16; i++)
 
   {
 
     digitalWrite(CONTROL0, (i&15)>>3); 
 
     digitalWrite(CONTROL1, (i&7)>>2);  
 
     digitalWrite(CONTROL2, (i&3)>>1);  
 
     digitalWrite(CONTROL3, (i&1));     
 
     mux2array[i] = analogRead(2);
 
   }    
 
   
 
   //The following lines are for printing out results of array0
 
   Serial.print("mux0array: ");
 
   for (int i=0; i<16; i++)
 
   {
 
     Serial.print(mux0array[i]);
 
     Serial.print("-");
 
   }
 
   Serial.println();  //line feed
 
   
 
   //The following lines are for printing out results of array1
 
   Serial.print("mux1array: ");
 
   for (int i=0; i<16; i++)
 
   {
 
     Serial.print(mux1array[i]);
 
     Serial.print("-");
 
   }
 
   Serial.println();
 
   
 
   //The following lines are for printing out results of array2
 
   Serial.print("mux2array: ");
 
   for (int i=0; i<16; i++)
 
   {
 
     Serial.print(mux2array[i]);
 
     Serial.print("-");
 
   }
 
   Serial.println();
 
   
 
 }