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diff --git a/Radio/HW/BladeRF/src/driver/ina219.h b/Radio/HW/BladeRF/src/driver/ina219.h
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+++ b/Radio/HW/BladeRF/src/driver/ina219.h
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+/**
+ * @file ina219.h
+ *
+ * @brief INA219 Support
+ *
+ * This file is part of the bladeRF project:
+ *   http://www.github.com/nuand/bladeRF
+ *
+ * Copyright (C) 2017 Nuand LLC
+ *
+ * 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 Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef DRIVER_INA219_H_
+#define DRIVER_INA219_H_
+
+#include <libbladeRF.h>
+
+#include "board/board.h"
+
+/**
+ * Initialize the INA219 voltage/current/power monitor.
+ *
+ * @param       dev         Device handle
+ * @param[in]   r_shunt     Shunt resistor in ohms
+ *
+ * @return 0 on success, BLADERF_ERR_* value on failure
+ */
+int ina219_init(struct bladerf *dev, float r_shunt);
+
+/**
+ * Read the shunt voltage.
+ *
+ * @param       dev         Device handle
+ * @param[out]  voltage     Shunt voltage in volts
+ *
+ * @return 0 on success, BLADERF_ERR_* value on failure
+ */
+int ina219_read_shunt_voltage(struct bladerf *dev, float *voltage);
+
+/**
+ * Read the bus voltage.
+ *
+ * @param       dev         Device handle
+ * @param[out]  voltage     Bus voltage in volts
+ *
+ * @return 0 on success, BLADERF_ERR_* value on failure
+ */
+int ina219_read_bus_voltage(struct bladerf *dev, float *voltage);
+
+/**
+ * Read the load current.
+ *
+ * @param       dev         Device handle
+ * @param[out]  current     Load current in amps
+ *
+ * @return 0 on success, BLADERF_ERR_* value on failure
+ */
+int ina219_read_current(struct bladerf *dev, float *current);
+
+/**
+ * Read the load power.
+ *
+ * @param       dev         Device handle
+ * @param[out]  power       Load power in watts
+ *
+ * @return 0 on success, BLADERF_ERR_* value on failure
+ */
+int ina219_read_power(struct bladerf *dev, float *power);
+
+#endif