beaglebone.h: added Beaglebone Black Platform

src/arm/CMakeLists.txt added beaglebone.c as a dependency src/arm/arm.c added
initialization of beaglebone black platform src/arm/beaglebone.c mraa support
for the Beaglebone Black Rev B+C includes support for mmap access to gpio

Signed-off-by: Michael Ring <mail@michael-ring.org>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>

api/mraa/types.h

@@ -43,6 +43,7 @@ typedef enum {
     MRAA_INTEL_DE3815 = 3,          /**< The Intel DE3815 Baytrail NUC */
     MRAA_INTEL_MINNOWBOARD_MAX = 4, /**< The Intel Minnow Board Max */
     MRAA_RASPBERRY_PI = 5,          /**< The different Raspberry PI Models -like  A,B,A+,B+ */
+    MRAA_BEAGLEBONE = 6,            /**< The different BeagleBone Black Modes B/C */
 
     MRAA_UNKNOWN_PLATFORM =
     99 /**< An unknown platform type, typically will load INTEL_GALILEO_GEN1 */

include/arm/beaglebone.h

@@ -0,0 +1,41 @@
+/*
+ * Author: Thomas Ingleby <thomas.c.ingleby@intel.com>
+ * Author: Michael Ring <mail@michael-ring.org>
+ * 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
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "mraa_internal.h"
+
+#define MRAA_BEAGLEBONE_BLACK_PINCOUNT 93
+
+mraa_board_t *
+        mraa_beaglebone();
+
+#ifdef __cplusplus
+}
+#endif

src/arm/CMakeLists.txt

@@ -2,5 +2,6 @@ message (INFO " - Adding ARM platforms")
 set (mraa_LIB_SRCS_NOAUTO ${mraa_LIB_SRCS_NOAUTO}
   ${PROJECT_SOURCE_DIR}/src/arm/arm.c
   ${PROJECT_SOURCE_DIR}/src/arm/raspberry_pi.c
+  ${PROJECT_SOURCE_DIR}/src/arm/beaglebone.c
   PARENT_SCOPE
 )

src/arm/arm.c

@@ -28,6 +28,7 @@
 
 #include "mraa_internal.h"
 #include "arm/raspberry_pi.h"
+#include "arm/beaglebone.h"
 
 mraa_platform_t
 mraa_arm_platform()
@@ -45,6 +46,9 @@ mraa_arm_platform()
                 if (strstr(line, "BCM2709")) {
                     platform_type = MRAA_RASPBERRY_PI;
                 }
+                if (strstr(line, "Generic AM33XX")) {
+                    platform_type = MRAA_BEAGLEBONE;
+                }
             }
         }
         fclose(fh);
@@ -55,9 +59,12 @@ mraa_arm_platform()
         case MRAA_RASPBERRY_PI:
             plat = mraa_raspberry_pi();
             break;
+        case MRAA_BEAGLEBONE:
+            plat = mraa_beaglebone();
+            break;
         default:
-            plat = mraa_raspberry_pi();
-            syslog(LOG_ERR, "Platform not supported, initialising as MRAA_RASPBERRY_PI");
+            plat = NULL;
+            syslog(LOG_ERR, "Unknown Platform, currently not supported by MRAA");
     }
     return platform_type;
 }