Goldsmiths

2013-03-18 10:51:33 +00:00
parent d938b31e91
commit 05fc0c94af
38 changed files with 152 additions and 1544 deletions
@@ -0,0 +1,66 @@
+//Plucks - four bumps / three notes (400,500,600hz)
+#define NUM_OSCILLATORS 3
+#include <Music.h>
+#include <Motor.h>
+
+int x, xold, xt, F; // input position x, output force F
+int K = 10; // slope constant
+byte count; //for print count-down
+
+void setup(){
+  Music.init();
+  Music.setFrequency1(200);
+  Music.setFrequency2(250);
+  Music.setFrequency3(300);  
+  
+  MotorA.init();
+  
+  Serial.begin(9600);
+  x = analogRead(A0); // initialize x
+}
+
+void loop(){
+  
+  xold = x;
+  x =  analogRead(A0);
+
+if (((xold <= 125) && (x > 125)) || ((xold >= 125) && (x < 125))){
+  Music.setGain1(1.0f);
+}
+if (((xold <= 375) && (x > 375)) || ((xold >= 375) && (x < 375))){
+  Music.setGain2(1.0f);
+}
+if (((xold <= 625) && (x > 625)) || ((xold >= 625) && (x < 625))){
+  Music.setGain3(1.0f);
+}
+if (((xold <= 875) && (x > 875)) || ((xold >= 875) && (x < 875))){
+  Music.setGain1(1.0f);
+  }
+  else{
+    Music.setGain1(0.995f*Music.getGain1());
+    Music.setGain2(0.995f*Music.getGain2());
+    Music.setGain3(0.995f*Music.getGain3());
+  }
+  
+
+
+  xt = x % 250; //same force for each 250 ranage
+  F = 0;
+  if (xt > 60) F = - K * (xt - 60);
+  if (xt > 80) F = - K * (100 - xt);
+  if (xt > 120) F =  K * (140 - xt);
+  if (xt > 140) F = 0;
+  MotorA.torque(F);
+  
+ 
+ // print every 256 cycles
+  if(count++==0){
+    Serial.print(x);
+    Serial.print(" ");
+    Serial.print(xt);
+    Serial.print(" ");
+    Serial.println(F);
+  }
+
+}
+