1 files changed, 47 insertions, 0 deletions
diff --git a/cores/wiring/Encoder.h b/cores/wiring/Encoder.h
new file mode 100644
index 0000000..c4a36cf
--- /dev/null
+++ b/cores/wiring/Encoder.h
@@ -0,0 +1,47 @@
+/*
+  Encoder.cpp - Encoder library for Wiring & Arduino
+  Copyright (c) 2006 Hernando Barragan and Nicholas Zambetti.
+  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef Encoder_h
+#define Encoder_h
+
+#include <inttypes.h>
+
+class Encoder
+{
+  private:
+    uint8_t _index;
+    uint8_t _pin_a;
+    static volatile uint8_t _pin_b;
+    static volatile int32_t _position;
+    static uint8_t _count;
+    static Encoder* _encoders[];
+    static void service(void);
+  public:
+    Encoder();
+    uint8_t attach(uint8_t, uint8_t);
+    void detach();
+    void write(int32_t);
+    int32_t read(void);
+    uint8_t attached(void);
+};
+
+#endif
+
+