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libraries/Adafruit_Circuit_Playground/examples/Infrared_Demos/Infrared_Read/Infrared_Read.ino

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+/* Infrared_Read.ino Example sketch for IRLib2 and Circuit Playground Express
+   Illustrates how to receive an IR signal, decode it and print
+   information about it to the serial monitor.
+*/
+#include <Adafruit_CircuitPlayground.h>
+
+#if !defined(ARDUINO_SAMD_CIRCUITPLAYGROUND_EXPRESS)
+  #error "Infrared support is only for the Circuit Playground Express, it doesn't work with the Classic version"
+#endif
+
+
+void setup() {
+  CircuitPlayground.begin();
+  Serial.begin(9600);
+
+  while (!Serial); // Wait until serial console is opened
+  
+  CircuitPlayground.irReceiver.enableIRIn(); // Start the receiver
+  Serial.println("Ready to receive IR signals");
+}
+
+void loop() {
+  //Continue looping until you get a complete signal received
+  if (CircuitPlayground.irReceiver.getResults()) {
+    CircuitPlayground.irDecoder.decode();           //Decode it
+    CircuitPlayground.irDecoder.dumpResults(false);  //Now print results. Use false for less detail
+    CircuitPlayground.irReceiver.enableIRIn();      //Restart receiver
+  }
+}