///
can_message_t::can_message_t()
: message_t(),
- maxdlen_{0},
id_{0},
- rtr_flag_{false},
- flags_{0}
+ rtr_flag_{false}
{}
-can_message_t::can_message_t(uint8_t maxdlen,
+can_message_t::can_message_t(uint32_t maxdlen,
uint32_t id,
- uint8_t length,
- can_message_format_t format,
+ uint32_t length,
+ message_format_t format,
bool rtr_flag,
- uint8_t flags,
+ uint32_t flags,
std::vector<uint8_t>& data,
uint64_t timestamp)
- : message_t(length, format, data, timestamp),
- maxdlen_{maxdlen},
+ : message_t(maxdlen, length, format, data, timestamp, flags),
id_{id},
- rtr_flag_{rtr_flag},
- flags_{flags}
+ rtr_flag_{rtr_flag}
{}
///
/// @return True if object correctly initialized and false if not.
bool can_message_t::is_correct_to_send()
{
- if (id_ != 0 && length_ != 0 && format_ != can_message_format_t::INVALID)
+ if (id_ != 0 && length_ != 0 && format_ != message_format_t::INVALID)
{
int i;
- for(i=0;i<CAN_MESSAGE_SIZE;i++)
+ for(i=0;i<length_;i++)
if(data_[i] != 0)
return true;
}
/// @return A can_message_t object fully initialized with canfd_frame values.
std::shared_ptr<can_message_t> can_message_t::convert_from_frame(const struct canfd_frame& frame, size_t nbytes, uint64_t timestamp)
{
- uint8_t maxdlen = 0, length = 0, flags = 0;
+ uint32_t maxdlen = 0, length = 0;
+ uint8_t flags = 0;
uint32_t id;
- can_message_format_t format;
+ message_format_t format;
bool rtr_flag;
std::vector<uint8_t> data;
if (frame.can_id & CAN_ERR_FLAG)
{
- format = can_message_format_t::INVALID;
+ format = message_format_t::INVALID;
id = frame.can_id & (CAN_ERR_MASK|CAN_ERR_FLAG);
}
else if (frame.can_id & CAN_EFF_FLAG)
{
- format = can_message_format_t::EXTENDED;
+ format = message_format_t::EXTENDED;
id = frame.can_id & CAN_EFF_MASK;
}
else
{
- format = can_message_format_t::STANDARD;
+ format = message_format_t::STANDARD;
id = frame.can_id & CAN_SFF_MASK;
}
return std::make_shared<can_message_t>(can_message_t(maxdlen, id, length, format, rtr_flag, flags, data, timestamp));
}
+/// @brief Take all initialized class members and build a
+/// canfd_frame struct that can be use to send a CAN message over
+/// the bus.
+///
+/// @return canfd_frame struct built from class members.
+struct canfd_frame can_message_t::convert_to_canfd_frame()
+{
+ canfd_frame frame;
+
+ if(is_correct_to_send())
+ {
+ frame.can_id = get_id();
+ frame.len = (uint8_t) get_length();
+ ::memcpy(frame.data, get_data(), length_);
+ }
+ else
+ AFB_ERROR("can_message_t not correctly initialized to be sent");
+
+ return frame;
+}
+
+/// @brief Take all initialized class members and build a
+/// canfd_frame struct that can be use to send a CAN message over
+/// the bus.
+///
+/// @return canfd_frame struct built from class members.
+struct std::vector<canfd_frame> can_message_t::convert_to_canfd_frame_vector()
+{
+ std::vector<canfd_frame> ret;
+ if(is_correct_to_send())
+ {
+ if(flags_ & CAN_FD_FRAME)
+ {
+ int i=0;
+ do
+ {
+ canfd_frame frame;
+ frame.can_id = id_;
+ frame.len = 64;
+ std::vector<uint8_t> data = get_data_vector((i*64),(i*64)+63);
+ if(data.size()<64)
+ {
+ ::memset(frame.data,0,sizeof(frame.data));
+ ::memcpy(frame.data,data.data(),data.size());
+ }
+ else
+ {
+ ::memcpy(frame.data,data.data(),64);
+ }
+ ret.push_back(frame);
+ i++;
+ } while (i<(length_ >> 6));
+ }
+ else
+ {
+ int i=0;
+ do
+ {
+ canfd_frame frame;
+ frame.can_id = id_;
+ frame.len = 8;
+ std::vector<uint8_t> data = get_data_vector(i*8,(i*8)+7);
+ if(data.size()<8)
+ {
+ ::memset(frame.data,0,sizeof(frame.data));
+ ::memcpy(frame.data,data.data(),data.size());
+ }
+ else
+ {
+ ::memset(frame.data,0,sizeof(frame.data));
+ ::memcpy(frame.data,data.data(),8);
+ }
+ ret.push_back(frame);
+ i++;
+ } while (i<(length_ >> 3));
+ }
+ }
+ else
+ AFB_ERROR("can_message_t not correctly initialized to be sent");
+
+ return ret;
+}
+
+/// @brief Take all initialized class members and build a
+/// can_frame struct that can be use to send a CAN message over
+/// the bus.
+///
+/// @return can_frame struct built from class members.
+struct can_frame can_message_t::convert_to_can_frame()
+{
+ can_frame frame;
+
+ if(is_correct_to_send())
+ {
+ frame.can_id = get_id();
+ frame.can_dlc = (uint8_t) get_length();
+ ::memcpy(frame.data, get_data(), length_);
+ }
+ else
+ AFB_ERROR("can_message_t not correctly initialized to be sent");
+
+ return frame;
+}
bool can_message_t::is_set()
{
std::string can_message_t::get_debug_message()
{
std::string ret = "";
- ret = ret + "Here is the next can message : id " + std::to_string(id_) + " length " + std::to_string(length_) + ", data ";
- for (size_t i = 0; i < data_.size(); i++)
- {
- ret = ret + std::to_string(data_[i]);
- }
+ ret = ret + "Here is the next can message : id " + std::to_string(id_) + " length " + std::to_string(length_) + ", data ";
+ for (size_t i = 0; i < data_.size(); i++)
+ {
+ ret = ret + std::to_string(data_[i]);
+ }
- return ret;
+ return ret;
}
-struct bcm_msg can_message_t::get_bcm_msg()
+struct bcm_msg& can_message_t::get_bcm_msg()
{
return bcm_msg_;
}
{
bcm_msg_ = bcm_msg;
}
-