1 files changed, 28 insertions, 0 deletions
diff --git a/src/gpio.h b/src/gpio.h
new file mode 100644
index 0000000..addc6e8
--- /dev/null
+++ b/src/gpio.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2016 by Daniel Friesel
+ *
+ * License: You may use, redistribute and/or modify this file under the terms
+ * of either:
+ * * The GNU LGPL v3 (see COPYING and COPYING.LESSER), or
+ * * The 3-clause BSD License (see COPYING.BSD)
+ *
+ */
+
+#include <avr/io.h>
+#include <stdlib.h>
+
+/**
+ * GPIO class for the GPIO pins E1 ... E4
+ *
+ * For now, we only support very simple Arduino-like digital pin operations.
+ */
+class GPIO {
+	public:
+		GPIO() {};
+
+		void pinMode(const uint8_t pin, uint8_t mode);
+		void digitalWrite(const uint8_t pin, uint8_t value);
+		uint8_t digitalRead(const uint8_t pin);
+};
+
+extern GPIO gpio;