[aravis/wip/emmanuel/bigendian] genicam: bigendian support

[Emmanuel Pacaud <emmanuel src gnome org>]

commit 0cfce0245a310ec96ecefc7002aa4614528a689c
Author: Emmanuel Pacaud <emmanuel gnome org>
Date:   Sat May 2 19:29:15 2015 +0200

    genicam: bigendian support

 src/arvgcregisternode.c |   23 +++++++++++++++++++++--
 1 files changed, 21 insertions(+), 2 deletions(-)
---
diff --git a/src/arvgcregisternode.c b/src/arvgcregisternode.c
index 5d40c8b..48e2da9 100644
--- a/src/arvgcregisternode.c
+++ b/src/arvgcregisternode.c
@@ -713,6 +713,10 @@ _get_integer_value (ArvGcRegisterNode *gc_register_node, guint register_lsb, gui
                        lsb = 8 * gc_register_node->cache_size - register_lsb - 1;
                        msb = 8 * gc_register_node->cache_size - register_msb - 1;
                }
+               arv_log_genicam ("[GcRegisterNode::_get_integer_value] reglsb = %d, regmsb, %d, lsb = %d, msb 
= %d",
+                                register_lsb, register_msb, lsb, msb);
+               arv_log_genicam ("[GcRegisterNode::_get_integer_value] value = 0x%08Lx", value);
+
 
 #if G_BYTE_ORDER == G_LITTLE_ENDIAN
                if (msb - lsb < 63)
@@ -722,8 +726,14 @@ _get_integer_value (ArvGcRegisterNode *gc_register_node, guint register_lsb, gui
 
                value = (value & mask) >> lsb;
 #else
-               g_assert_not_reached ();
+               if (lsb - msb < 63)
+                       mask = ((((guint64) 1) << (lsb - msb + 1)) - 1) << msb;
+               else
+                       mask = G_MAXUINT64;
+
+               value = (value & mask) >> lsb;
 #endif
+               arv_log_genicam ("[GcRegisterNode::_get_integer_value] mask  = 0x%08Lx", mask);
        }
 
        arv_log_genicam ("[GcRegisterNode::_get_integer_value] address = 0x%Lx, value = 0x%Lx",
@@ -802,6 +812,9 @@ _set_integer_value (ArvGcRegisterNode *gc_register_node, guint register_lsb, gui
                        lsb = 8 * gc_register_node->cache_size - register_lsb - 1;
                        msb = 8 * gc_register_node->cache_size - register_msb - 1;
                }
+               arv_log_genicam ("[GcRegisterNode::_get_integer_value] reglsb = %d, regmsb, %d, lsb = %d, msb 
= %d",
+                                register_lsb, register_msb, lsb, msb);
+               arv_log_genicam ("[GcRegisterNode::_get_integer_value] value = 0x%08Lx", value);
 
 #if G_BYTE_ORDER == G_LITTLE_ENDIAN
                if (msb - lsb < 63)
@@ -811,8 +824,14 @@ _set_integer_value (ArvGcRegisterNode *gc_register_node, guint register_lsb, gui
 
                value = ((value << lsb) & mask) | (current_value & ~mask);
 #else
-               g_assert_not_reached ();
+                  if (lsb - msb < 63)
+                        mask = ((((guint64) 1) << (lsb - msb + 1)) - 1) << msb;
+                else
+                        mask = G_MAXUINT64;
+
+                value = ((value << msb) & mask) | (current_value & ~mask);
 #endif
+               arv_log_genicam ("[GcRegisterNode::_get_integer_value] mask  = 0x%08Lx", mask);
        }
 
        arv_log_genicam ("[GcRegisterNode::_set_integer_value] address = 0x%Lx, value = 0x%Lx",