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accelerometer_code.ino

@@ -0,0 +1,16 @@
+void setup() {
+  // put your setup code here, to run once:
+  Serial.begin(9600);
+  pinMode(A3, INPUT);
+  pinMode(A4, INPUT);
+  pinMode(A5, INPUT);
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:=
+  Serial.println(analogRead(A3));
+  Serial.println(analogRead(A4));
+  Serial.println(analogRead(A5));
+  Serial.println(" ");
+  delay(1000);
+}

brainwave.ino

@@ -0,0 +1,127 @@
+#define LED 13
+#define BAUDRATE 115200
+#define DEBUGOUTPUT 0
+byte generatedChecksum = 0;
+byte checksum = 0; 
+int payloadLength = 0;
+byte payloadData[64] = {0};
+byte poorQuality = 0;
+byte attention = 0;
+byte meditation = 0;
+long lastReceivedPacket = 0;
+boolean bigPacket = false;
+
+void setup() 
+{
+  pinMode(LED, OUTPUT);
+  pinMode (8,OUTPUT);
+  pinMode(9, OUTPUT);
+  pinMode (10,OUTPUT);
+  pinMode(11, OUTPUT);
+
+
+  Serial.begin(57600);
+}
+
+byte ReadOneByte()
+{
+  int ByteRead;
+  while(!Serial.available());
+  ByteRead = Serial.read();
+
+#if DEBUGOUTPUT  
+  Serial.print((char)ByteRead);
+#endif
+  return ByteRead;
+}
+void loop()
+{
+  if(ReadOneByte() == 170) {
+    if(ReadOneByte() == 170) {
+      payloadLength = ReadOneByte();
+      if(payloadLength > 169)  
+          return;
+
+      generatedChecksum = 0;        
+      for(int i = 0; i < payloadLength; i++)
+      {  
+        payloadData[i] = ReadOneByte(); 
+        generatedChecksum += payloadData[i];
+      }   
+
+      checksum = ReadOneByte();         
+      generatedChecksum = 255 - generatedChecksum; 
+
+        if(checksum == generatedChecksum)
+        {    
+        poorQuality = 200;
+        attention = 0;
+        meditation = 0;
+
+        for(int i = 0; i < payloadLength; i++) 
+        {  
+          switch (payloadData[i]) {
+          case 2:
+            i++;            
+            poorQuality = payloadData[i];
+            bigPacket = true;            
+            break;
+          case 4:
+            i++;
+            attention = payloadData[i];                        
+            break;
+          case 5:
+            i++;
+            meditation = payloadData[i];
+            break;
+          case 0x80:
+            i = i + 3;
+            break;
+          case 0x83:
+            i = i + 25;      
+            break;
+          default:
+            break;
+          } // switch
+        } // for loop
+
+#if !DEBUGOUTPUT
+        if(bigPacket)
+        {
+          Serial.print("PoorQuality: ");
+          Serial.print(poorQuality, DEC);
+          Serial.print(" Attention: ");
+          Serial.print(attention, DEC);
+          Serial.print(" Meditation: ");
+          Serial.print(meditation, DEC);
+          if(attention > 50)
+           { digitalWrite(13,HIGH);
+           digitalWrite (8, HIGH);
+           digitalWrite (9, LOW);
+           digitalWrite (10, HIGH);
+           digitalWrite (11, LOW);
+
+
+           }
+          else
+          {
+            digitalWrite(13,LOW);
+            digitalWrite (8, LOW);
+           digitalWrite (9, LOW);
+           digitalWrite (10, LOW);
+           digitalWrite (11, LOW);
+          }
+          Serial.print(" Time since last packet: ");
+          Serial.print(millis() - lastReceivedPacket, DEC);
+          lastReceivedPacket = millis();
+          Serial.print("\n");
+        }
+#endif        
+        bigPacket = false;        
+      }
+      else {
+        // Checksum Error
+      }  // end if else for checksum
+    } // end if read 0xAA byte
+  } // end if read 0xAA byte
+}