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+#ifndef ucoolib_intf_adc_hh
+#define ucoolib_intf_adc_hh
+// ucoolib - Microcontroller object oriented library. {{{
+//
+// Copyright (C) 2013 Nicolas Schodet
+//
+// APBTeam:
+// Web: http://apbteam.org/
+// Email: team AT apbteam DOT org
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+//
+// }}}
+
+namespace ucoo {
+
+/// Analog to digital converter. This is a really simple interface which
+/// should be enough for simple needs.
+class Adc
+{
+ /// Make a conversion and return the value.
+ virtual int read () = 0;
+ /// Get resolution (number of possible different values).
+ virtual int get_resolution () const = 0;
+ protected:
+ /// Default constructor.
+ Adc () { }
+};
+
+} // namespace ucoo
+
+#endif // ucoolib_intf_adc_hh