decoder: Fix bit_position swapping

-Added an attribute to signals that tells if the bit_position
has been swapped.
-Test if bit_size and bit_position gives an "out of range" data

Bug-AGL: SPEC-3022

Change-Id: I589565ca923ec807da2d4f0db7c4c92fb737b579
Signed-off-by: Corentin Le Gall <corentin.legall@iot.bzh>
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

1 files changed, 12 insertions, 0 deletions

diff --git a/low-can-binding/can/signals.cpp b/low-can-binding/can/signals.cpp
index da8df988..28246a05 100755
--- a/low-can-binding/can/signals.cpp
+++ b/low-can-binding/can/signals.cpp
@@ -71,6 +71,7 @@ signal_t::signal_t(
 	, sign_{sign}
 	, bit_sign_position_{bit_sign_position}
 	, unit_{unit}
+	,bit_position_is_swapped_{false}
 {}
 
 signal_t::signal_t(
@@ -104,6 +105,7 @@ signal_t::signal_t(
 	, decoder_{decoder}
 	, encoder_{encoder}
 	, received_{received}
+	, bit_position_is_swapped_{false}
 {}
 
 std::shared_ptr<message_definition_t> signal_t::get_message() const
@@ -251,3 +253,13 @@ const std::string signal_t::get_unit() const
 {
 	return unit_;
 }
+
+bool signal_t::bit_position_is_swapped() const
+{
+	return bit_position_is_swapped_;
+}
+
+void signal_t::bit_position_is_swapped_reverse()
+{
+	bit_position_is_swapped_ = !bit_position_is_swapped_;
+}