+ return "";
+}
+
+const std::string low_can_subscription_t::get_name(uint32_t pid) const
+{
+ if (!diagnostic_message_.empty())
+ return get_diagnostic_message(pid)->get_name() ;
+
+ return "";
+}
+
+float low_can_subscription_t::get_frequency() const
+{
+ return event_filter_.frequency;
+}
+
+float low_can_subscription_t::get_min() const
+{
+ return event_filter_.min;
+}
+
+float low_can_subscription_t::get_max() const
+{
+ return event_filter_.max;
+}
+
+utils::socketcan_bcm_t& low_can_subscription_t::get_socket()
+{
+ return socket_;
+}
+
+void low_can_subscription_t::set_event(struct afb_event event)
+{
+ event_ = event;
+}
+
+void low_can_subscription_t::set_frequency(float freq)
+{
+ event_filter_.frequency = freq;
+}
+
+void low_can_subscription_t::set_min(float min)
+{
+ event_filter_.min = min;
+}
+
+void low_can_subscription_t::set_max(float max)
+{
+ event_filter_.max = max;
+}
+
+int low_can_subscription_t::open_socket()
+{
+ int ret = 0;
+ if(! socket_)
+ {
+ if( can_signal_ != nullptr)
+ {ret = socket_.open(can_signal_->get_message()->get_bus_device_name());}
+ else if (! diagnostic_message_ .empty())
+ {ret = socket_.open(application_t::instance().get_diagnostic_manager().get_bus_device_name());}
+ index_ = (int)socket_.socket();
+ }
+ return ret;
+}
+
+struct utils::simple_bcm_msg low_can_subscription_t::make_bcm_head(uint32_t can_id, uint32_t flags, const struct timeval& timeout, const struct timeval& frequency_thinning) const
+{
+ struct utils::simple_bcm_msg bcm_msg;
+
+ memset(&bcm_msg, 0, sizeof(bcm_msg));
+
+ bcm_msg.msg_head.opcode = RX_SETUP;
+ bcm_msg.msg_head.can_id = can_id;
+ bcm_msg.msg_head.flags = flags;
+ bcm_msg.msg_head.ival1.tv_sec = timeout.tv_sec ;
+ bcm_msg.msg_head.ival1.tv_usec = timeout.tv_usec;
+ bcm_msg.msg_head.ival2.tv_sec = frequency_thinning.tv_sec ;
+ bcm_msg.msg_head.ival2.tv_usec = frequency_thinning.tv_usec;
+
+ return bcm_msg;
+}
+
+void low_can_subscription_t::add_bcm_frame(const struct can_frame& cfd, struct utils::simple_bcm_msg& bcm_msg) const
+{
+ for(int i=0; i < CAN_MAX_DLEN; i++)
+ {
+ if(cfd.data[i] != 0)
+ {
+ bcm_msg.msg_head.nframes = 1;
+ bcm_msg.frames = cfd;
+ return;
+ }
+ }
+}
+
+/// @brief Create a RX_SETUP receive job used by the BCM socket.
+///
+/// @return 0 if ok else -1
+int low_can_subscription_t::create_rx_filter()
+{
+ int ret = -1;
+ if ( can_signal_ != nullptr)
+ {ret = create_rx_filter(can_signal_);}
+ else if (! diagnostic_message_ .empty())
+ {ret = create_rx_filter(diagnostic_message_.front());}
+
+ return ret;
+}
+
+/// @brief Create a RX_SETUP receive job used by the BCM socket.
+///
+/// @return 0 if ok else -1
+int low_can_subscription_t::create_rx_filter(std::shared_ptr<can_signal_t> sig)
+{
+ can_signal_= sig;
+
+ struct can_frame cfd;
+ memset(&cfd, 0, sizeof(cfd));
+
+ float val = (float)(1 << can_signal_->get_bit_size()) - 1;
+ bitfield_encode_float(val,
+ can_signal_->get_bit_position(),
+ can_signal_->get_bit_size(),
+ can_signal_->get_factor(),
+ can_signal_->get_offset(),
+ cfd.data,
+ CAN_MAX_DLEN);
+
+ struct timeval freq, timeout = {0, 0};
+ frequency_clock_t f = std::isnan(event_filter_.frequency) ? can_signal_->get_frequency() : frequency_clock_t(event_filter_.frequency);
+ freq = f.get_timeval_from_period();
+
+ utils::simple_bcm_msg bcm_msg = make_bcm_head(can_signal_->get_message()->get_id(), SETTIMER|RX_NO_AUTOTIMER, timeout, freq);
+ add_bcm_frame(cfd, bcm_msg);
+
+ return create_rx_filter(bcm_msg);
+}
+
+/// @brief Create a RX_SETUP receive job used by the BCM socket.
+///
+/// @return 0 if ok else -1
+int low_can_subscription_t::create_rx_filter(std::shared_ptr<diagnostic_message_t> sig)
+{
+ diagnostic_message_.push_back(sig);
+
+ struct timeval freq = frequency_clock_t(event_filter_.frequency).get_timeval_from_period();
+ //struct timeval timeout = frequency_clock_t(10).get_timeval_from_period();
+ struct timeval timeout = {0,0};
+
+ utils::simple_bcm_msg bcm_msg = make_bcm_head(OBD2_FUNCTIONAL_BROADCAST_ID, SETTIMER|RX_NO_AUTOTIMER|RX_FILTER_ID, timeout, freq);
+ return create_rx_filter(bcm_msg);
+}
+
+/// @brief Create a RX_SETUP receive job used by the BCM socket.
+///
+/// @return 0 if ok else -1
+int low_can_subscription_t::create_rx_filter(utils::simple_bcm_msg& bcm_msg)
+{
+ // Make sure that socket has been opened.
+ if(open_socket() < 0)
+ {return -1;}
+
+ // If it isn't an OBD2 CAN ID then just add a simple RX_SETUP job
+ // else monitor all standard 8 CAN OBD2 ID response.
+ if(bcm_msg.msg_head.can_id != OBD2_FUNCTIONAL_BROADCAST_ID)
+ {
+ socket_ << bcm_msg;
+ if(! socket_)
+ return -1;
+ }
+ else