--- /dev/null
+/* -*- c++ -*- */
+/*
+ * Copyright 2007,2008 Free Software Foundation, Inc.
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef INCLUDED_AD9777_H
+#define INCLUDED_AD9777_H
+
+#include <stdint.h>
+#include "ad9777_regs.h"
+
+/*
+ * Analog Devices AD9777 16-bit, 160 MS/s, Dual Interpolating TxDAC
+ */
+
+void ad9777_write_reg(int regno, uint8_t value);
+int ad9777_read_reg(int regno);
+
+#endif /* INCLUDED_AD9777_H */