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;
}
bcm_msg.msg_head.nframes++;
}
+/// @brief Take an existing bcm_msg struct and add a can_frame.
+/// Currently only 1 uniq can_frame can be added, it's not possible to build
+/// a multiplexed message with several can_frame.
+void low_can_subscription_t::remove_last_bcm_frame(struct bcm_msg& bcm_msg)
+{
+ struct canfd_frame cf;
+ memset(&cf,0,sizeof(cf));
+ bcm_msg.fd_frames[bcm_msg.msg_head.nframes] = cf;
+ bcm_msg.msg_head.nframes--;
+}
+
#ifdef USE_FEATURE_J1939
int low_can_subscription_t::create_rx_filter_j1939(low_can_subscription_t &subscription, std::shared_ptr<signal_t> sig)
{
struct timeval freq, timeout = {0, 0};
struct canfd_frame cfd;
subscription.signal_= sig;
+ bool is_fd = sig->get_message()->is_fd();
+
+ std::vector<uint8_t> data;
+ uint32_t length_msg = sig->get_message()->get_length();
+
+ if(length_msg == 0)
+ {
+ AFB_ERROR("Error in the length of message with id %d",sig->get_message()->get_id());
+ return -1;
+ }
+
+ for(int i = 0; i<length_msg;i++)
+ {
+ data.push_back(0);
+ }
+
+ encoder_t::encode_data(subscription.signal_,data,true,false,true);
+
+ can_message_t cm;
- if (sig->get_message()->is_fd())
+ if (is_fd)
{
flags = SETTIMER|RX_NO_AUTOTIMER|CAN_FD_FRAME;
cfd.len = CANFD_MAX_DLEN;
+ cm = can_message_t(CANFD_MAX_DLEN,sig->get_message()->get_id(),length_msg,sig->get_message()->get_format(),false,CAN_FD_FRAME,data,0);
}
else
{
flags = SETTIMER|RX_NO_AUTOTIMER;
cfd.len = CAN_MAX_DLEN;
+ cm = can_message_t(CAN_MAX_DLEN,sig->get_message()->get_id(),length_msg,sig->get_message()->get_format(),false,0,data,0);
}
- val = (float)(1 << subscription.signal_->get_bit_size()) - 1;
- if(! bitfield_encode_float(val,
- subscription.signal_->get_bit_position(),
- subscription.signal_->get_bit_size(),
- 1,
- subscription.signal_->get_offset(),
- cfd.data,
- cfd.len))
- return -1;
frequency_clock_t f = subscription.event_filter_.frequency == 0 ? subscription.signal_->get_frequency() : frequency_clock_t(subscription.event_filter_.frequency);
freq = f.get_timeval_from_period();
struct bcm_msg bcm_msg = subscription.make_bcm_head(RX_SETUP, subscription.signal_->get_message()->get_id(), flags, timeout, freq);
- subscription.add_one_bcm_frame(cfd, bcm_msg);
+
+ std::vector<canfd_frame> cfd_vect = cm.convert_to_canfd_frame_vector();
+
+ if(cfd_vect.size() > 1) //multi
+ {
+ AFB_ERROR("Not implemented yet");
+ return -1;
+ }
+ else if(cfd_vect.size() == 1)
+ {
+ canfd_frame cf = cfd_vect[0];
+ for(int i=0;i<cfd.len;i++)
+ {
+ cfd.data[i] = cf.data[i];
+ }
+ subscription.add_one_bcm_frame(cfd, bcm_msg);
+ }
+ else
+ {
+ AFB_ERROR("No data available");
+ return -1;
+ }
return create_rx_filter_bcm(subscription, bcm_msg);
}
{
can_message_t *cm = static_cast<can_message_t*>(message);
- struct bcm_msg bcm_msg = subscription.make_bcm_head(TX_SEND, cm->get_id(),cm->get_flags());
- canfd_frame cfd = cm->convert_to_canfd_frame();
- subscription.add_one_bcm_frame(cfd, bcm_msg);
+ struct bcm_msg bcm_msg = subscription.make_bcm_head(TX_SEND, cm->get_id(),cm->get_flags() | TX_CP_CAN_ID); // TX_CP_CAN_ID -> copy in cfd the id of bcm
+ std::vector<canfd_frame> cfd_vect = cm->convert_to_canfd_frame_vector();
+ for(auto cfd: cfd_vect)
+ {
+ subscription.add_one_bcm_frame(cfd, bcm_msg);
+ }
if(subscription.open_socket(subscription, bus_name,socket_type::BCM) < 0)
{