Add example for teensy boards

examples/teensy/teensy-blink/platformio.ini

@@ -0,0 +1,42 @@
+#
+# Project Configuration File
+#
+# A detailed documentation with the EXAMPLES is located here:
+# http://docs.platformio.org/en/latest/projectconf.html
+#
+
+# A sign `#` at the beginning of the line indicates a comment
+# Comment lines are ignored.
+
+# Simple and base environment
+# [env:mybaseenv]
+# platform = %INSTALLED_PLATFORM_NAME_HERE%
+# framework =
+# board =
+#
+# Automatic targets - enable auto-uploading
+# targets = upload
+
+[env:teensy20]
+platform = teensy
+framework = arduino
+board = teensy20
+build_flags = -DTEENSY20
+
+[env:teensy20pp]
+platform = teensy
+framework = arduino
+board = teensy20pp
+build_flags = -DTEENSY20PP
+
+[env:teensy30]
+platform = teensy
+framework = arduino
+board = teensy30
+build_flags = -DTEENSY30
+
+[env:teensy31]
+platform = teensy
+framework = arduino
+board = teensy31
+build_flags = -DTEENSY31

examples/teensy/teensy-blink/src/Blink.pde

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+/* LED Blink, Teensyduino Tutorial #1
+   http://www.pjrc.com/teensy/tutorial.html
+ 
+   This example code is in the public domain.
+*/
+#ifdef TEENSY20
+	const int ledPin = 11;
+#elif TEENSY20PP
+	const int ledPin = 6;
+#else
+	const int ledPin = 13;
+#endif
+
+void setup() {
+  // initialize the digital pin as an output.
+  pinMode(ledPin, OUTPUT);
+}
+
+// the loop() methor runs over and over again,
+// as long as the board has power
+
+void loop() {
+  digitalWrite(ledPin, HIGH);   // set the LED on
+  delay(300);                  // wait for a second
+  digitalWrite(ledPin, LOW);    // set the LED off
+  delay(100);                  // wait for a second
+}
+