From cca6a86268d55ac69b483ff0feb8a7a93f8f8133 Mon Sep 17 00:00:00 2001
From: Adelin Dobre <adelin.dobre@rinftech.com>
Date: Wed, 11 Jul 2018 17:06:39 +0300
Subject: [PATCH] APDS-9002: Add string based constructor for Luminance Sensor

Signed-off-by: Adelin Dobre <adelin.dobre@rinftech.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
---
 src/apds9002/apds9002.cxx | 21 +++++++++++++++++++++
 src/apds9002/apds9002.hpp |  8 ++++++++
 2 files changed, 29 insertions(+)

diff --git a/src/apds9002/apds9002.cxx b/src/apds9002/apds9002.cxx
index 02b2611e..7faa7c12 100644
--- a/src/apds9002/apds9002.cxx
+++ b/src/apds9002/apds9002.cxx
@@ -27,6 +27,7 @@
 #include <stdexcept>
 
 #include "apds9002.hpp"
+#include "upm_string_parser.hpp"
 
 using namespace upm;
 
@@ -40,6 +41,26 @@ APDS9002::APDS9002(int pin)
     }
 }
 
+APDS9002::APDS9002(std::string initStr) : mraaIo(initStr)
+{
+  mraa_io_descriptor* descs = mraaIo.getMraaDescriptors();
+
+  if(!descs->aios)
+  {
+    throw std::invalid_argument(std::string(__FUNCTION__) +
+                                  ": mraa_aio_init() failed, invalid pin?");
+  }
+  else
+  {
+    if( !(m_aio = descs->aios[0]) )
+    {
+      throw std::invalid_argument(std::string(__FUNCTION__) +
+                              ": mraa_aio_init() failed, invalid pin?");
+
+    }
+  }
+}
+
 APDS9002::~APDS9002()
 {
   mraa_aio_close(m_aio);
diff --git a/src/apds9002/apds9002.hpp b/src/apds9002/apds9002.hpp
index 8ad393a3..e248bcc2 100644
--- a/src/apds9002/apds9002.hpp
+++ b/src/apds9002/apds9002.hpp
@@ -25,6 +25,7 @@
 
 #include <string>
 #include <mraa/aio.h>
+#include <mraa/initio.hpp>
 #include <interfaces/iLight.hpp>
 
 namespace upm {
@@ -61,6 +62,12 @@ namespace upm {
      * @param pin Analog pin to use
      */
     APDS9002(int pin);
+    /**
+     * Instantiates APDS-9002 Luminance Sensor based on a given string.
+     *
+     * @param initStr string containing specific information for APDS-9002 initialization.
+     */
+    APDS9002(std::string initStr);
     /**
      * APDS9002 destructor
      */
@@ -81,6 +88,7 @@ namespace upm {
 
   private:
     mraa_aio_context m_aio;
+    mraa::MraaIo mraaIo;
   };
 }