1 files changed, 139 insertions, 0 deletions
diff --git a/arduino/blinkme.ino b/arduino/blinkme.ino
new file mode 100644
index 0000000..09a1c14
--- /dev/null
+++ b/arduino/blinkme.ino
@@ -0,0 +1,139 @@
+/*
+  Blink
+  Turns on an LED on for one second, then off for one second, repeatedly.
+ 
+  This example code is in the public domain.
+ */
+ 
+
+// the setup routine runs once when you press reset:
+void setup() {                
+  // initialize the digital pin as an output.
+  pinMode(13, OUTPUT);
+  pinMode(12, OUTPUT);
+  pinMode(11, OUTPUT);
+  pinMode(10, OUTPUT);
+}
+
+int LED0 = 0x01;
+int LED1 = 0x02;
+int LED2 = 0x04;
+int LED3 = 0x08;
+
+int PWM_BASE = 15;
+
+void channel_set (int duration, int leds, int pwm)
+{
+  for (int i = 0; i < duration; i+=PWM_BASE) {
+    digitalWrite (10, leds & LED0);
+    digitalWrite (11, leds & LED1);
+    digitalWrite (12, leds & LED2);
+    digitalWrite (13, leds & LED3);
+    if ((pwm > PWM_BASE) || (pwm == 0)) {
+      delay (PWM_BASE);
+      continue;
+    }
+    delay (PWM_BASE-pwm);
+    digitalWrite (10, 0); 
+    digitalWrite (11, 0);
+    digitalWrite (12, 0);
+    digitalWrite (13, 0);
+    delay (PWM_BASE-(PWM_BASE-pwm));    
+  }
+}
+
+void run_left(int num, int f, int pwm)
+{
+  int i = 1;
+  
+  while (num) {
+    channel_set (f, LED3, pwm);
+    channel_set (f, LED2, pwm);
+    channel_set (f, LED1, pwm);
+    if (i >= num)
+      break;
+    channel_set (f, LED0, pwm);
+    i++;
+  }
+}
+
+void run_right(int num, int f, int pwm)
+{
+  int i = 1;
+ 
+  while (num) {
+    channel_set (f, LED0, pwm);
+    channel_set (f, LED1, pwm);
+    channel_set (f, LED2, pwm);
+    if (i >= num)
+      break;
+    channel_set (f, LED3, pwm);
+    i++;
+  }
+}
+
+void red_white (int num, int f, int pwm)
+{
+  for (int i=0; i<num; i++)
+  {
+    channel_set (f, LED0|LED2, pwm);
+    channel_set (f, 0, pwm);
+  }
+  for (int i=0; i<num; i++)
+  {
+    channel_set (f, LED1|LED3, pwm);
+    channel_set (f, 0, pwm);
+  }
+  for (int i=0; i<num; i++)
+  {
+    channel_set (f, LED1, pwm);
+    channel_set (f, LED3, pwm);
+  }
+  for (int i=0; i<num; i++)
+  {
+    channel_set (f, LED0, pwm);
+    channel_set (f, LED2, pwm);
+  }  
+}
+
+void lr_speedup (int num, int pwm)
+{
+  int f_start = 100;
+  int i = 0;
+  do {
+    run_right (num-i, f_start, pwm);
+    run_left (num-i, f_start, pwm);
+    i++;
+    f_start += (5 * i);
+  } while (i < num);
+}
+
+void flash (int num, int on, int off, int pwm)
+{
+  for (int i=0; i<num; i++)
+  {
+    channel_set (on, LED0|LED2, pwm);    
+    channel_set (off, 0, pwm);
+    channel_set (on, LED1|LED3, pwm);
+    channel_set (off, 0, pwm);
+  }
+}
+
+void dimmer (int f)
+{ 
+  for (int i = PWM_BASE; i > 0; i--)
+    channel_set (f*(i/4), LED0|LED1|LED2|LED3, i);
+  
+  channel_set (f*20, LED0|LED1|LED2|LED3, 0);
+  
+  for (int i = 1; i <= PWM_BASE; i++)
+    channel_set (f*(i/4), LED0|LED1|LED2|LED3, i);  
+}
+
+// the loop routine runs over and over again forever:
+void loop() {
+  dimmer (250);
+  red_white (3, 400, PWM_BASE-1);
+  flash (10, 200, 80, PWM_BASE-1);  
+  lr_speedup (4, PWM_BASE-1);
+}