clean up

[sketchbook_andrea] / hardware / shift_register / shift_register_pattern / shift_register_pattern.ino

diff --git a/hardware/shift_register/shift_register_pattern/shift_register_pattern.ino b/hardware/shift_register/shift_register_pattern/shift_register_pattern.ino
new file mode 100644 (file)
index 0000000..d59a296
--- /dev/null
+++ b/hardware/shift_register/shift_register_pattern/shift_register_pattern.ino
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+/* SuperCar like pattern with a shift register.
+   Note: first bit/LED is supposed to be 0 and not 7
+   as in many arduino example sketches.
+   
+ Turning on the outputs of a 74HC595 using an array
+ 
+ Hardware:
+ * 74HC595 shift register
+ * LEDs attached to each of the outputs of the shift register
+ */
+
+int clockPin = 12; //IC Pin 11, Yellow Jumper
+int dataPin = 11; //IC Pin 14, Blue Jumper
+int latchPin = 8; //IC Pin 12, Green Jumper
+
+byte patterns[30] = {
+  B00000001, 100,
+  B00000010, 100,
+  B00000100, 100,
+  B00001000, 100,
+  B00010000, 100,
+  B00100000, 100,
+  B01000000, 100,
+  B10000000, 100,
+  B01000000, 100,
+  B00100000, 100,
+  B00010000, 100,
+  B00001000, 100,
+  B00000100, 100,
+  B00000010, 100
+};
+
+int index = 0;
+int count = sizeof(patterns) / 2;
+
+void setup() {
+  pinMode(latchPin, OUTPUT);
+  pinMode(clockPin, OUTPUT);
+  pinMode(dataPin, OUTPUT);
+}
+
+void loop() {
+  digitalWrite(latchPin, LOW);
+  shiftOut(dataPin, clockPin, MSBFIRST, patterns[index * 2]);
+  digitalWrite(latchPin, HIGH);
+  delay(patterns[(index * 2) + 1]);
+  index++;
+  if (index >= count){
+    index = 0;
+  }
+}
+