1 files changed, 41 insertions, 0 deletions
diff --git a/week5/week5.ino b/week5/week5.ino
new file mode 100644
index 0000000..52106f7
--- /dev/null
+++ b/week5/week5.ino
@@ -0,0 +1,41 @@
+void setup() {
+	for (int i = 0; i < 8; ++i) pinMode(i, OUTPUT);
+	analogReadResolution(8);
+}
+
+void loop() {
+	int len = 0;
+	int seq[1000];
+	while (len < 3) seq[len++] = random(0, 4); // generate 3 random numbers
+	while (1) {
+		seq[len++] = random(0, 4); // generate another random number
+		for (int i = 0; i < len; ++i) { // flash the LEDs according to seq
+			digitalWrite(2*seq[i], HIGH);
+			delay(500);
+			digitalWrite(2*seq[i], LOW);
+			delay(500);
+		}
+		for (int i = 0; i < len; ++i) {
+			while (analogRead(A0) < 240 && analogRead(A1) < 240 && analogRead(A2) < 240 && analogRead(A3) < 240); // wait for press
+			for (int j = 0; j < 4; ++j) // check which button was pressed and whether it matches seq
+				if (analogRead(A0+j) > 240 && seq[i] != j) goto DONE; // Legit use case of goto to jump out of 3 loops
+			delay(250);
+		}
+		for (int i = 0; i < 8; ++i) { // flash green lights 4 times
+			for (int j = 0; j < 4; ++j) digitalWrite(2*j, (i+1)%2);
+			delay(100);
+		}
+	}
+	DONE:
+	for (int i = 0; i < 2; ++i) { // flash red lights 4 times
+		for (int j = 0; j < 2; ++j) digitalWrite(2*j, 1);
+		delay(500);
+		for (int j = 0; j < 2; ++j) digitalWrite(2*j, 0);
+		delay(500);
+		for (int j = 2; j < 4; ++j) digitalWrite(2*j, 1);
+		delay(500);
+		for (int j = 2; j < 4; ++j) digitalWrite(2*j, 0);
+		delay(500);
+	}
+	delay(1000);
+}