mraa: add mraa_get_platform_name

getPlatformName for c++/swig API
Closes #35

Signed-off-by: Thomas Ingleby <thomas.c.ingleby@intel.com>

api/mraa/common.h

@@ -26,6 +26,8 @@
 
 #include "types.h"
 
+#define MRAA_PLATFORM_NAME_MAX_SIZE 64
+
 /** @file
  *
  * This file defines the basic shared values for libmraa
@@ -186,6 +188,8 @@ typedef struct {
     int pwm_default_period; /**< The default PWM period is US */
     int pwm_max_period; /**< Maximum period in us */
     int pwm_min_period; /**< Minimum period in us */
+    unsigned int platform_name_length; /**< Platform Name length */
+    char* platform_name; /**< Platform Name pointer */
     mraa_pininfo_t* pins;     /**< Pointer to pin array */
     /*@}*/
 } mraa_board_t;
@@ -247,6 +251,13 @@ unsigned int mraa_adc_supported_bits();
  */
 mraa_result_t mraa_set_log_level(int level);
 
+/**
+ * Return the Platform's Name, If no platform detected return "Unknown"
+ *
+ * @return platform name
+ */
+char* mraa_get_platform_name();
+
 #ifdef __cplusplus
 }
 #endif

api/mraa/common.hpp

@@ -116,6 +116,17 @@ inline unsigned int adcSupportedBits()
     return mraa_adc_supported_bits();
 }
 
+/**
+ * Return Platform Name. "Unknown" if no platform inited.
+ *
+ * @return platform name
+ */
+inline std::string getPlatformName()
+{
+    std::string ret_val(mraa_get_platform_name());
+    return ret_val;
+}
+
 /**
  * Sets the log level to use from 0-7 where 7 is very verbose. These are the
  * syslog log levels, see syslog(3) for more information on the levels.