Add function get_data_vector with index

This commit adds the function get_data_vector to get
another vector between the index indicates.

Bug-AGL : SPEC-2779

Change-Id: I704d78467839ee7f9a2fec397e9b0db8da43d79d
Signed-off-by: Arthur Guyader <arthur.guyader@iot.bzh>

2 files changed, 35 insertions, 0 deletions

diff --git a/low-can-binding/can/message/message.cpp b/low-can-binding/can/message/message.cpp
index 5384c021..b0a33f78 100644
--- a/low-can-binding/can/message/message.cpp
+++ b/low-can-binding/can/message/message.cpp
@@ -76,6 +76,40 @@ const uint8_t* message_t::get_data() const
 	return data_.data();
 }
 
+
+///
+/// @brief Retrieve data_ member value.
+///
+/// @return pointer to the first element
+///  of class member data_
+///
+const std::vector<uint8_t> message_t::get_data_vector(int start,int end) const
+{
+	std::vector<uint8_t> ret;
+	if(start >= 0)
+	{
+		if(end<length_)
+		{
+			for(int i=start;i<=end;i++)
+			{
+				ret.push_back(data_[i]);
+			}
+		}
+		else
+		{
+			for(int i=start;i<length_;i++)
+			{
+				ret.push_back(data_[i]);
+			}
+		}
+	}
+	else
+	{
+		AFB_ERROR("Error index to get data vector, [%d-%d] - for length %d",start,end,length_);
+	}
+	return ret;
+}
+
 ///
 /// @brief Retrieve data_ member whole vector
 ///
diff --git a/low-can-binding/can/message/message.hpp b/low-can-binding/can/message/message.hpp
index 48f4d98b..f0e1bf0b 100644
--- a/low-can-binding/can/message/message.hpp
+++ b/low-can-binding/can/message/message.hpp
@@ -66,6 +66,7 @@ public:
 	int get_sub_id() const;
 	const uint8_t* get_data() const;
 	const std::vector<uint8_t> get_data_vector() const;
+	const std::vector<uint8_t> get_data_vector(int start,int end) const;
 	uint32_t get_length() const;
 	uint64_t get_timestamp() const;