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authorDavid A. Mellis <d.mellis@arduino.cc>2007-10-06 14:47:50 +0000
committerDavid A. Mellis <d.mellis@arduino.cc>2007-10-06 14:47:50 +0000
commit5f3976696ddf5d02ea7e6f805ce655e1f281e6ed (patch)
tree547c97780b4a79c5fac43ebcd017ddfb9b73971c /cores/wiring/Encoder.h
parent72e9f39fbde96b484338cbbd785680e5ab4a2e72 (diff)
Moving hardware/targets to hardware/cores.
Diffstat (limited to 'cores/wiring/Encoder.h')
-rw-r--r--cores/wiring/Encoder.h47
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
+
+