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+/*
+ * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
+ * Copyright (c) 2014 Intel Corporation.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#pragma once
+
+#include <string>
+#include <mraa/i2c.hpp>
+
+#define ADDR               0x4A // device address
+
+// registers address
+#define ISR                0x00 // Interrupt Status Register
+#define MCR                0x01 // Main Configuration Register
+#define RCR                0x02 // Receive Configuration Register
+#define TCR                0x03 // Transmit Configuration Register
+#define ALSDATA_HIGH       0x04 // ambient sensor data high byte
+#define ALSDATA_LOW        0x05 // ambient sensor data low byte
+#define PRXDATA            0x15 // proximity sensor data
+
+#define ALS_UP_THRESH_HIGH 0x06 // ALS Interrupt Threshold Registers High
+#define ALS_UP_THRESH_LOW  0x07 // ALS Interrupt Threshold Registers Low
+#define ALS_LO_THRESH_HIGH 0x08 // ALS Interrupt Threshold Registers High
+#define ALS_LO_THRESH_LOW  0x09 // ALS Interrupt Threshold Registers Low
+#define TPTR               0x0A // ALS/PROX Threshold Persist Timer Register
+#define PROX_THRESH_IND    0x0B // Proximity Threshold Register
+#define PROX_THRESH        0x0C // Proximity Threshold Register
+#define TRIM_GAIN_GREEN    0x0F // Digital Gain Trim Register
+#define TRIM_GAIN_IR       0x10 // Digital Gain Trim Register
+
+#define HIGH               1
+#define LOW                0
+
+namespace upm {
+
+/**
+ * @brief MAX44000 Proximity Sensor library
+ * @defgroup max44000 libupm-max44000
+ * @ingroup maxim i2c light
+ */
+/**
+ * @library max44000
+ * @sensor max44000
+ * @comname MAX44000 Proximity Sensor
+ * @type light
+ * @man maxim
+ * @con i2c
+ *
+ * @brief API for the MAX44000 Ambient and Infrared Proximity Sensor
+ *
+ * Maxim Integrated*
+ * [MAX44000](http://datasheets.maximintegrated.com/en/ds/MAX44000.pdf)
+ * is an ambient and infrared proximity sensor. This module was tested on the
+ * Maxim Integrated 
+ * [MAX44000PMB1 PMOD module]
+ * (http://datasheets.maximintegrated.com/en/ds/MAX44000PMB1.pdf) from the
+ * analog PMOD kit.
+ *
+ * @snippet max44000.cxx Interesting
+ */
+class MAX44000 {
+    public:
+        /**
+         * Instantiates an MAX44000 object
+         *
+         * @param bus Number of the used bus
+         * @param devAddr Address of the used I2C device
+         */
+        MAX44000 (int bus, int devAddr=ADDR);
+
+        /**
+         * MAX44000 object destructor; basically, it closes the I2C connection.
+         * ~MAX44000 ();
+         * no need for the destructor - the I2c connection will be closed when
+         * m_i2cMaxControlCtx variable will be out of context
+         **/
+
+        /**
+         * Reads the proximity value from the sensor (based on ambient data).
+         */
+        uint16_t getProximity ();
+        /**
+         * Reads the ambient value from the sensor (based on ambient data).
+         */
+        uint16_t getAmbient ();
+
+        /**
+         * Returns the name of the component
+         */
+        std::string name()
+        {
+            return m_name;
+        }
+
+        /**
+         * Reads a one-byte register
+         *
+         * @param reg Address of the register
+         */
+        uint8_t i2cReadReg_8 (int reg);
+
+        /**
+         * Reads a two-byte register
+         *
+         * @param reg Address of the register
+         */
+        uint16_t i2cReadReg_16 (int reg);
+
+        /**
+         * Writes to a one-byte register
+         *
+         * @param reg Address of the register
+         * @param value Byte to be written
+         */
+        mraa::Result i2cWriteReg (uint8_t reg, uint8_t value);
+
+    private:
+        std::string m_name;
+
+        int m_maxControlAddr;
+        int m_bus;
+        mraa::I2c m_i2cMaxControlCtx;
+};
+
+}