upm: Add sensor groups based on IO types

This commit also fixes adds some default constructor arguments to some i2c
sensors.

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>

src/upm.h

@@ -0,0 +1,57 @@
+/*
+ * Author: Brendan Le Foll <brendan.le.foll@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
+
+/// @cond DEV
+/**
+ * This file only serves to describe sensor groups based on libmraa groups.
+ * Sensors may belong to multiple groups. This is purely a documentation header
+ * and is not meant to be installed anywhere.
+ */
+/// @endcond DEV
+
+/**
+ * @brief Sensors requiring an ADC value to be read
+ * @defgroup analog Analog Sensors
+ */
+
+/**
+ * @brief Modules using the i2c bus
+ * @defgroup i2c I2c
+ */
+
+/**
+ * @brief Modules using the SPI bus
+ * @defgroup spi SPI
+ */
+
+/**
+ * @brief Modules using GPIOs directly
+ * @defgroup gpio GPIO
+ */
+
+/**
+ * @brief Modules using a PWM capable GPIO pin
+ * @defgroup pwm PWM
+ */