初始化提交

arduino-cli/libraries/Blynk/examples/More/Sync/ButtonPoll/ButtonPoll.ino

@@ -0,0 +1,79 @@
+/*************************************************************
+  Download latest Blynk library here:
+    https://github.com/blynkkk/blynk-library/releases/latest
+
+  Blynk is a platform with iOS and Android apps to control
+  Arduino, Raspberry Pi and the likes over the Internet.
+  You can easily build graphic interfaces for all your
+  projects by simply dragging and dropping widgets.
+
+    Downloads, docs, tutorials: http://www.blynk.cc
+    Sketch generator:           http://examples.blynk.cc
+    Blynk community:            http://community.blynk.cc
+    Follow us:                  http://www.fb.com/blynkapp
+                                http://twitter.com/blynk_app
+
+  Blynk library is licensed under MIT license
+  This example code is in public domain.
+
+ *************************************************************
+
+  This example shows how to monitor a button state
+  using polling mechanism.
+
+  App project setup:
+    LED widget on V1
+ *************************************************************/
+
+/* Comment this out to disable prints and save space */
+#define BLYNK_PRINT Serial
+
+
+#include <SPI.h>
+#include <Ethernet.h>
+#include <BlynkSimpleEthernet.h>
+
+// You should get Auth Token in the Blynk App.
+// Go to the Project Settings (nut icon).
+char auth[] = "YourAuthToken";
+
+int prevState = -1;
+int currState = -1;
+long lastChangeTime = 0;
+
+void checkPin()
+{
+  // Invert state, since button is "Active LOW"
+  int state = !digitalRead(2);
+
+  // Debounce mechanism
+  long t = millis();
+  if (state != prevState) {
+    lastChangeTime = t;
+  }
+  if (t - lastChangeTime > 50) {
+    if (state != currState) {
+      currState = state;
+      Blynk.virtualWrite(V1, state);
+    }
+  }
+  prevState = state;
+}
+
+void setup()
+{
+  // Debug console
+  Serial.begin(9600);
+
+  Blynk.begin(auth);
+
+  // Make pin 2 default HIGH, and attach INT to our handler
+  pinMode(2, INPUT_PULLUP);
+}
+
+void loop()
+{
+  Blynk.run();
+  checkPin();
+}
+