From f824ac271c8ebfac66f9b85f7a4d5119d5acfa7e Mon Sep 17 00:00:00 2001
From: bnewbold <bnewbold@ziggy.(none)>
Date: Thu, 10 Sep 2009 21:55:35 -0400
Subject: audioprogprog

---
 src/audio_test/audio_test.pde | 59 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 src/audio_test/audio_test.pde

diff --git a/src/audio_test/audio_test.pde b/src/audio_test/audio_test.pde
new file mode 100644
index 0000000..bc01e20
--- /dev/null
+++ b/src/audio_test/audio_test.pde
@@ -0,0 +1,59 @@
+/*
+ * SQRLS Audio Test
+ */
+
+  int speakerOnePin = 5;
+  int speakerTwoPin = 6;
+  int motionSensorPin = 7;
+
+void setup() {
+
+  pinMode(motionSensorPin, INPUT);
+  pinMode(speakerOnePin, OUTPUT);
+  pinMode(speakerTwoPin, OUTPUT);
+  
+  // Set pins 5&6 to a 62500Hz PWM clock
+  TCCR0B = TCCR0B & 0b11111000 | 0x01;
+}
+
+void loop() {
+ 
+ bark(random(50,100)^2/100);
+ 
+ delay(random(50000,200000)^2/100000);
+  
+}
+
+
+void bark(int ll) {
+  
+  /*
+  for(float j=300; j>0; j-=20) {
+    //if(random(5) == 1) {
+    //    delayMicroseconds(100);
+    //}
+    triangleWave(j*j/300);
+  }
+  */
+  
+  for(int j=500; j>200; j-=3000/ll) {
+    sawWave(j+random(50));
+  }
+
+}
+
+void triangleWave(int len) {
+  
+  for(int i = 0; i < len; i++)  {
+    analogWrite(speakerOnePin, i*255/len);
+  }
+  for(int i = 0; i < len; i++)  {
+    analogWrite(speakerOnePin, 255 - i*255/len);
+  }
+}
+
+void sawWave(int len) {
+  for(int i = 0; i < len; i++)  {
+    analogWrite(speakerOnePin, i);
+  }
+}
-- 
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