ABPDRRT005PG2A5: Initial Commit

This commit enables the ABP Honeywell sensor. Java examples is
yet to be tested and has not been provided with the current commit
and will be provided in a future commit.

Signed-off-by: Abhishek Malik <abhishek.malik@intel.com>

src/abpdrrt005pg2a5/abpdrrt005pg2a5.h

@@ -0,0 +1,92 @@
+/*
+ * Author: Abhishek Malik <abhishek.malik@intel.com>
+ * Copyright (c) 2017 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 <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "upm.h"
+#include "mraa/i2c.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define ABPDRRT005PG2A5_ADDRESS       0x28
+#define OUTPUT_10_PERCENT_COUNT       1638
+#define OUTPUT_90_PERCENT_COUNT       14746
+#define ABPDRRT005PG2A5_PRESSURE_MAX  5
+#define ABPDRRT005PG2A5_PRESSURE_MIN  0
+
+/**
+ * @file abpdrrt005pg2a5.h
+ * @library abpdrrt005pg2a5
+ * @brief C API for the ABPDRRT005PG2A5 Honeywell Pressure Sensor
+ *
+ * @include abpdrrt005pg2a5.c
+ */
+ 
+ typedef struct _abpdrrt005pg2a5_context {
+    mraa_i2c_context       i2c;
+    uint8_t                i2c_bus_number;
+	uint8_t                address;
+} *abpdrrt005pg2a5_context;
+
+/**
+ * ABPDRRT005PG2A5 Initialization function
+ *
+ * @param bus I2C bus to use
+ * @return device context pointer
+ */
+abpdrrt005pg2a5_context abpdrrt005pg2a5_init(uint8_t bus, uint8_t dev_address);
+
+/**
+ * ABPDRRT005PG2A5 Close function
+ *
+ * @param dev abpdrrt005pg2a5_context pointer
+ */
+void abpdrrt005pg2a5_close(abpdrrt005pg2a5_context dev);
+
+/**
+ * Function to get the pressure in psi
+ * The datasheet provides a way to calculate the pressure
+ * in psi.
+ *
+ * @return upm_result_t UPM success/error code
+ */
+upm_result_t abpdrrt005pg2a5_get_pressure_psi(abpdrrt005pg2a5_context dev, float* pressure_psi);
+
+/**
+ * Function to get the pressure in pascal
+ * This is calculated using a conversion function.
+ *
+ * @return upm_result_t UPM success/error code
+ */
+upm_result_t abpdrrt005pg2a5_get_pressure_pascal(abpdrrt005pg2a5_context dev, float* pressure_pascal);
+
+#ifdef __cplusplus
+}
+#endif