*********************************************************************************/
can_message_t::can_message_t(const struct afb_binding_interface* interface)
- : interface_{interface}
+ : interface_{interface}, id_{0}, length_{0}, format_{CanMessageFormat::ERROR}, data_{0,0,0,0,0,0,0,0}
{}
uint32_t can_message_t::get_id() const
{
- if (id_ != 0)
- return id_;
- return 0;
+ return id_;
}
int can_message_t::get_format() const
{
if (format_ != CanMessageFormat::STANDARD || format_ != CanMessageFormat::EXTENDED)
- return -1;
+ return CanMessageFormat::ERROR;
return format_;
}
const uint8_t* can_message_t::get_data() const
{
- return &data_;
+ return data_;
}
uint8_t can_message_t::get_length() const
{
return length_;
}
+bool can_message_t::is_correct_to_send()
+{
+ if (id_ != 0 && length_ != 0 && format_ != CanMessageFormat::ERROR)
+ {
+ int i;
+ for(i=0;i<CAN_MESSAGE_SIZE;i++)
+ if(data_[i] != 0)
+ return true;
+ }
+ return false;
+}
+
void can_message_t::set_id(const uint32_t new_id)
{
switch(format_)
void can_message_t::set_data(const uint8_t new_data)
{
- ::memcpy(&data_, &new_data, sizeof(new_data));
- length_ = sizeof(new_data);
+ if ((sizeof(new_data) / sizeof(uint8_t) > CAN_MESSAGE_SIZE))
+ ERROR(interface_, "Can set data, your data array is too big");
+ else
+ {
+ ::memcpy(&data_, &new_data, sizeof(new_data));
+ length_ = sizeof(new_data);
+ }
}
-/*
- * @brief This is the preferred way to initialize a CanMessage object
- * from a read canfd_frame message.
- *
- * @param: canfd_frame pointer
- */
void can_message_t::convert_from_canfd_frame(const canfd_frame& frame)
{
length_ = (frame.len > CAN_MAX_DLEN) ? (uint8_t)CAN_MAX_DLEN : frame.len;
length_ = (frame.len > CANFD_MAX_DLEN) ? (uint8_t)CANFD_MAX_DLEN : frame.len;
if (frame.can_id & CAN_ERR_FLAG)
+ {
id_ = frame.can_id & (CAN_ERR_MASK|CAN_ERR_FLAG);
+ format_ = CanMessageFormat::ERROR;
+ }
else if (frame.can_id & CAN_EFF_FLAG)
{
id_ = frame.can_id & CAN_EFF_MASK;
{
canfd_frame frame;
- frame.can_id = get_id();
- frame.len = get_length();
- ::memcpy(frame.data, get_data(), length_);
-
+ if(is_correct_to_send())
+ {
+ frame.can_id = get_id();
+ frame.len = get_length();
+ ::memcpy(frame.data, get_data(), length_);
+ }
+ else
+ ERROR(interface_, "can_message_t not correctly initialized to be sent");
+
return frame;
}
+
/********************************************************************************
*
* can_bus_dev_t method implementation
return canfd_frame;
}
-/**
- * @brief start reading threads and set flag is_running_
- *
- */
void can_bus_dev_t::start_reading(can_bus_t& can_bus)
{
th_reading_ = std::thread(can_reader, std::ref(*this), std::ref(can_bus));
return is_running_;
}
-/**
- * @brief Send a can message from a can_message_t object.
- *
- * params[const can_message_t& can_msg] the can message object to send
- *
- */
int can_bus_dev_t::send_can_message(can_message_t& can_msg, const struct afb_binding_interface* interface)
{
ssize_t nbytes;
*********************************************************************************/
can_bus_t::can_bus_t(const struct afb_binding_interface *interface, int& conf_file)
- : interface_{interface}, conf_file_{conf_file}
+ : conf_file_{conf_file}, interface_{interface}
{
}
-/**
- * @brief start threads relative to the can bus: decoding and pushing
- * as the reading is handled by can_bus_dev_t object
- */
void can_bus_t::start_threads()
{
th_decoding_ = std::thread(can_decode_message, std::ref(*this));
th_pushing_ = std::thread(can_event_push, std::ref(*this));
}
-/**
- * @brief Initialize as many as can_bus_dev_t objects with their respective reading thread
- *
- * params[std::ifstream& conf_file] conf_file ifstream to the JSON configuration
- * file located at the rootdir of the binding
- */
+
int can_bus_t::init_can_dev()
{
std::vector<std::string> devices_name;
return 1;
}
-/**
- * @brief Read the conf file and extract device name
- *
- * @return[std:vector<std::string>] return a vector of device name
- */
std::vector<std::string> can_bus_t::read_conf()
{
std::vector<std::string> ret;
return ret;
}
-/**
- * @brief: Get a can_message_t from can_message_q and return it
- * then point to the next can_message_t in queue.
- *
- * @return the next queue element or NULL if queue is empty.
- */
can_message_t can_bus_t::next_can_message()
{
can_message_t can_msg(interface_);
return can_msg;
}
-/**
- * @brief Append a new element to the can message queue and set
- * has_can_message_ boolean to true
- *
- * @params[const can_message_t& can_msg] the can_message_t to append
- *
- */
void can_bus_t::push_new_can_message(const can_message_t& can_msg)
{
can_message_q_.push(can_msg);
}
-/**
- * @brief Flag that let you know when can message queue is exhausted
- *
- * @return[bool] has_can_message_ bool
- */
bool can_bus_t::has_can_message() const
{
return has_can_message_;
}
-/**
- * @brief: Get a VehicleMessage from vehicle_message_q and return it
- * then point to the next VehicleMessage in queue.
- *
- * @return the next queue element or NULL if queue is empty.
- */
openxc_VehicleMessage can_bus_t::next_vehicle_message()
{
openxc_VehicleMessage v_msg;
return v_msg;
}
-/**
- * @brief Append a new element to the vehicle message queue and set
- * has_vehicle_message_ boolean to true
- *
- * @params[const openxc_VehicleMessage& v_msg] the openxc_VehicleMessage to append
- *
- */
void can_bus_t::push_new_vehicle_message(const openxc_VehicleMessage& v_msg)
{
vehicle_message_q_.push(v_msg);
has_vehicle_message_ = true;
}
-/**
- * @brief Flag that let you know when vehicle message queue is exhausted
- *
- * @return[bool] has_vehicle_message_ bool
- */
bool can_bus_t::has_vehicle_message() const
{
return has_vehicle_message_;
Code Review / apps / agl-service-can-low-level.git / blobdiff