From 7cf9de2f1d8c2fd9ebf7114d5a488b568ada57bc Mon Sep 17 00:00:00 2001
From: wancat <wancat@wancat.cc>
Date: Wed, 9 Mar 2022 11:21:32 +0800
Subject: [PATCH] Week3

---
 week3-2/week3-2.ino | 20 ++++++++++++++++++++
 week3-3/week3-3.ino | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 52 insertions(+)
 create mode 100644 week3-2/week3-2.ino
 create mode 100644 week3-3/week3-3.ino

diff --git a/week3-2/week3-2.ino b/week3-2/week3-2.ino
new file mode 100644
index 0000000..3f5a7aa
--- /dev/null
+++ b/week3-2/week3-2.ino
@@ -0,0 +1,20 @@
+#define LED 7
+#define pbOn A0
+#define pbOff A1
+
+void setup() {
+  pinMode(LED, OUTPUT);
+  pinMode(pbOn, INPUT);
+  pinMode(pbOff, INPUT);
+}
+
+void loop() {
+  if (!digitalRead(pbOff)) {
+    digitalWrite(LED, HIGH);
+    while (!digitalRead(pbOff));
+  }
+  else if (!digitalRead(pbOn)) {
+    digitalWrite(LED, LOW);
+    while (!digitalRead(pbOn));
+  }
+}
diff --git a/week3-3/week3-3.ino b/week3-3/week3-3.ino
new file mode 100644
index 0000000..b3f8fe9
--- /dev/null
+++ b/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);
+}