From e3d16c3798aea007efaf6e956390d1e6b5da5774 Mon Sep 17 00:00:00 2001
From: neingeist <neingeist@bl0rg.net>
Date: Sun, 4 Apr 2010 17:37:39 +0200
Subject: [PATCH 1/3] comment macro, remove semicolon

---
 projekte/protothreads/example.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/projekte/protothreads/example.c b/projekte/protothreads/example.c
index 82844a4..366d407 100644
--- a/projekte/protothreads/example.c
+++ b/projekte/protothreads/example.c
@@ -7,12 +7,12 @@
 #include "timer/clock.h"
 #include "timer/timer.h"
 
-/* TIMER_DELAY macro for convenience */
+/* TIMER_DELAY macro for convenience, do { } while(0) is just a macro trick */
 #define TIMER_DELAY(pt, timer, t) \
   do { \
   timer_set(&timer, t); \
   PT_WAIT_UNTIL(pt, timer_expired(&timer)); \
-  } while(0);
+  } while(0)
 
 /* Two timers for the two protothreads. */
 static struct timer timer1, timer2;

From 72aefc8c729fef43fb53fb15d5da7262d3eadc36 Mon Sep 17 00:00:00 2001
From: neingeist <neingeist@bl0rg.net>
Date: Mon, 5 Apr 2010 20:44:40 +0200
Subject: [PATCH 2/3] actually use MAGIC_BREATH

---
 projekte/soundz/arpeggio/arpeggio.pde | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/projekte/soundz/arpeggio/arpeggio.pde b/projekte/soundz/arpeggio/arpeggio.pde
index 6ceb64a..862d18b 100644
--- a/projekte/soundz/arpeggio/arpeggio.pde
+++ b/projekte/soundz/arpeggio/arpeggio.pde
@@ -93,12 +93,12 @@ void arpeggio_play(int32_t note, uint32_t len) {
   // clock tick is 1s/18.2 == 54ms
   #define MAGIC_CLOCK_TICK 54
   #define MAGIC_DELAY_FACTOR 400 // well, should be 1000 us?!
-  #define MAGIC_BREATH 50
   _delay_us(MAGIC_DELAY_FACTOR*(len*MAGIC_CLOCK_TICK/10));
     
   // breath
   curNote=REST;
-  _delay_us(50);
+  #define MAGIC_BREATH 50
+  _delay_us(MAGIC_BREATH);
 }
   
 void arpeggio(int32_t n1, int32_t n2, int32_t n3, int32_t len) { 

From 8b50243dada2a5458958da143dff94957c4ec74c Mon Sep 17 00:00:00 2001
From: xeno <xeno@ovo.localdomain>
Date: Tue, 6 Apr 2010 22:21:52 +0200
Subject: [PATCH 3/3] =?UTF-8?q?xeno=20macht=20L=C3=A4rm?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 projekte/soundz/quak/quak.pde | 53 +++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 projekte/soundz/quak/quak.pde

diff --git a/projekte/soundz/quak/quak.pde b/projekte/soundz/quak/quak.pde
new file mode 100644
index 0000000..b9000ed
--- /dev/null
+++ b/projekte/soundz/quak/quak.pde
@@ -0,0 +1,53 @@
+byte foo;
+int bar;
+byte mul;
+byte cnt;
+float wow;
+boolean b;
+int inv;
+
+#define WOW_FACTOR 512
+#define WOW_LIMIT 4
+
+void setup() {
+    pinMode(8, OUTPUT);
+    cnt = 0;
+    mul = 1;
+    wow = WOW_FACTOR;
+    inv = 1;
+}
+
+
+
+void loop() {
+  
+  if( cnt == 0 ) {
+    mul = random(6)+1;
+    cnt = 25;
+  }
+  
+  cnt--;
+  
+  foo = random(5*mul)+2;
+  
+  for(bar = 0; bar < (255-(foo*20)); bar++) {
+    
+    
+    if( inv == 1 )
+      wow /= 2;
+    else
+      wow *= 2;
+      
+    if( wow < WOW_LIMIT || wow > WOW_FACTOR ) {
+      inv = inv == 1 ? -1 : 1;
+    }
+    
+    digitalWrite(8, b = !b);
+    delayMicroseconds((WOW_FACTOR+(wow*inv))*foo+(bar*2*b));
+    
+    // NOISE
+    if( random(10) == 0 ) {
+      digitalWrite(8, b = !b); delayMicroseconds(4500); digitalWrite(8, b = !b);
+    } 
+  }
+}