Week3

week3-3/week3-3.ino

@@ -0,0 +1,32 @@
+#define LED 7
+#define BUTTON A0
+#define BLINK 8
+#define DELAY 100
+
+void setup() {
+  pinMode(LED, OUTPUT);
+  pinMode(BUTTON, INPUT);
+  pinMode(BLINK, OUTPUT);
+}
+
+bool mode() {
+  static bool last = HIGH;
+  static bool m = HIGH;
+  if (last && !digitalRead(BUTTON)) {
+    m = !m;
+  }
+  last = digitalRead(BUTTON);
+  return m;
+}
+
+void loop() {
+  static unsigned long clk = 0;
+  static bool blinkValue = HIGH;
+  digitalWrite(LED, mode());
+  if (millis() - clk > DELAY) {
+     blinkValue = !blinkValue;
+     clk = millis();
+  }
+  digitalWrite(BLINK, blinkValue);
+  delay(1);
+}