low-can-binding/can/message-definition.cpp

   1 /*
   2  * Copyright (C) 2015, 2016 "IoT.bzh"
   3  * Author "Romain Forlot" <romain.forlot@iot.bzh>
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *       http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  */
  17
  18 #include "message-definition.hpp"
  19
  20 #include "../binding/application.hpp"
  21
  22 message_definition_t::message_definition_t(
  23         const std::string bus,
  24         uint32_t id,
  25         uint32_t flags,
  26         frequency_clock_t frequency_clock,
  27         bool force_send_changed,
  28         const vect_ptr_signal_t& signals)
  29         :  parent_{nullptr},
  30         bus_{bus},
  31         id_{id},
  32         flags_{flags},
  33         frequency_clock_{frequency_clock},
  34         force_send_changed_{force_send_changed},
  35         last_value_{CAN_MESSAGE_SIZE},
  36         signals_{signals}
  37 {}
  38
  39 message_definition_t::message_definition_t(const std::string bus,
  40         uint32_t id,
  41         const std::string name,
  42         uint32_t length,
  43         uint32_t flags,
  44         frequency_clock_t frequency_clock,
  45         bool force_send_changed,
  46         const vect_ptr_signal_t& signals)
  47         : parent_{nullptr},
  48         bus_{bus},
  49         id_{id},
  50         name_{name},
  51         length_{length},
  52         flags_{flags},
  53         frequency_clock_{frequency_clock},
  54         force_send_changed_{force_send_changed},
  55         last_value_{CAN_MESSAGE_SIZE},
  56         signals_{signals}
  57 {}
  58
  59 const std::string message_definition_t::get_bus_name() const{
  60         return bus_;
  61 }
  62
  63 const std::string message_definition_t::get_bus_device_name() const
  64 {
  65         return application_t::instance().get_can_bus_manager()
  66                 .get_can_device_name(bus_);
  67 }
  68
  69 const std::string message_definition_t::get_name() const{
  70         return name_;
  71 }
  72
  73 uint32_t message_definition_t::get_id() const
  74 {
  75         return is_j1939() || ((id_ & CAN_SFF_MASK) == id_) ?
  76                 id_ : id_ | CAN_EFF_FLAG ;
  77 }
  78
  79 bool message_definition_t::is_fd() const
  80 {
  81         return (flags_ & CAN_PROTOCOL_WITH_FD_FRAME);
  82 }
  83
  84 bool message_definition_t::is_j1939() const
  85 {
  86         return (flags_ & J1939_PROTOCOL);
  87 }
  88
  89 bool message_definition_t::is_isotp() const
  90 {
  91         return (flags_ & ISOTP_PROTOCOL);
  92 }
  93
  94 vect_ptr_signal_t& message_definition_t::get_signals()
  95 {
  96         return signals_;
  97 }
  98
  99 void message_definition_t::set_parent(std::shared_ptr<message_set_t> parent)
 100 {
 101         parent_= parent;
 102 }
 103
 104 void message_definition_t::set_last_value(std::shared_ptr<message_t> m)
 105 {
 106         last_value_= m->get_data_vector();
 107 }
 108
 109 uint32_t message_definition_t::get_length() const
 110 {
 111         return length_;
 112 }
 113
 114 uint32_t message_definition_t::get_flags() const
 115 {
 116         return flags_;
 117 }
 118
 119 bool message_definition_t::frame_layout_is_bigendian() const{
 120         return (flags_ & BYTE_FRAME_IS_BIG_ENDIAN);
 121 }