+
+/// @brief Create a RX_SETUP receive job used by the BCM socket.
+///
+/// @return 0 if ok else -1
+int can_signal_t::create_rx_filter()
+{
+ // Make sure that socket has been opened.
+ if(! socket_)
+ socket_.open(
+ get_message()->get_bus_name());
+
+ uint32_t can_id = get_message()->get_id();
+
+ struct utils::simple_bcm_msg bcm_msg;
+ struct can_frame cfd;
+
+ memset(&cfd, 0, sizeof(cfd));
+ memset(&bcm_msg.msg_head, 0, sizeof(bcm_msg.msg_head));
+ float val = (float)(1 << bit_size_)-1;
+ struct timeval freq = frequency_.get_timeval_from_period();
+
+ bcm_msg.msg_head.opcode = RX_SETUP;
+ bcm_msg.msg_head.can_id = can_id;
+ bcm_msg.msg_head.flags = SETTIMER|RX_NO_AUTOTIMER;
+ bcm_msg.msg_head.ival2.tv_sec = freq.tv_sec ;
+ bcm_msg.msg_head.ival2.tv_usec = freq.tv_usec;
+ bcm_msg.msg_head.nframes = 1;
+ bitfield_encode_float(val,
+ bit_position_,
+ bit_size_,
+ factor_,
+ offset_,
+ cfd.data,
+ CAN_MAX_DLEN);
+
+ bcm_msg.frames = cfd;
+
+ if(socket_ << bcm_msg)
+ return 0;
+ return -1;
+}