max44000: Added new sensor module

Signed-off-by: Kiveisha Yevgeniy <yevgeniy.kiveisha@intel.com>

src/max44000/max44000.h

@@ -0,0 +1,108 @@
+/*
+ * 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 <maa/i2c.h>
+
+#define ADDR               0x4A // device address
+
+// registers address
+#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 MCR                0x01 // Main Configuration Register
+#define RCR                0x02 // Receive Configuration Register
+#define TCR                0x03 // Transmit Configuration Register
+
+#define HIGH               1
+#define LOW                0
+
+namespace upm {
+
+/**
+ * @brief C++ API for MAX44000 chip (Ambient and Infrared Proximity Sensor)
+ *
+ * This file defines the MAX44000 C++ interface for libmax44000
+ *
+ * @snippet proximity.cxx Interesting
+ *
+ * PMOD pins for MAX44000PMB1 board
+ *
+ * ( -= J1 =- )
+ * (1) - NUL
+ * (2) - IRQ
+ * (3) - SCL
+ * (4) - SDA
+ * (5) - GND
+ * (6) - VCC
+ *
+ */
+class MAX44000 {
+    public:
+        /**
+         * Instanciates a MAX44000 object
+         *
+         * @param bus number of used bus
+         * @param devAddr addres of used i2c device
+         */
+        MAX44000 (int bus, int devAddr);
+
+        /**
+         * MAX44000 object destructor, basicaly it close i2c connection.
+         */
+        ~MAX44000 ();
+
+        /**
+         * Read the proximity value from the chip (based on ambient data).
+         */
+        uint16_t getProximity ();
+        /**
+         * Read the ambient value from the chip (based on ambient data).
+         */
+        uint16_t getAmbient ();
+
+        /**
+         * Return name of the component
+         */
+        std::string name()
+        {
+            return m_name;
+        }
+    private:
+        uint16_t getALSData ();
+        uint16_t getPRXData ();
+
+        uint8_t i2cReadReg_8 (int reg);
+        uint16_t i2cReadReg_16 (int reg);
+        maa_result_t i2cWriteReg (uint8_t reg, uint8_t value);
+
+        std::string m_name;
+
+        int m_maxControlAddr;
+        int m_bus;
+        maa_i2c_context m_i2cMaxControlCtx;
+};
+
+}