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_device_name() const
  60 {
  61         return application_t::instance().get_can_bus_manager()
  62                 .get_can_device_name(bus_);
  63 }
  64
  65 const std::string message_definition_t::get_name() const{
  66         return name_;
  67 }
  68
  69 uint32_t message_definition_t::get_id() const
  70 {
  71         return is_j1939() || ((id_ & CAN_SFF_MASK) == id_) ?
  72                 id_ : id_ | CAN_EFF_FLAG ;
  73 }
  74
  75 bool message_definition_t::is_fd() const
  76 {
  77         return (flags_ & CAN_PROTOCOL_WITH_FD_FRAME);
  78 }
  79
  80 bool message_definition_t::is_j1939() const
  81 {
  82         return (flags_ & J1939_PROTOCOL);
  83 }
  84
  85 bool message_definition_t::is_isotp() const
  86 {
  87         return (flags_ & ISOTP_PROTOCOL);
  88 }
  89
  90 vect_ptr_signal_t& message_definition_t::get_signals()
  91 {
  92         return signals_;
  93 }
  94
  95 void message_definition_t::set_parent(std::shared_ptr<message_set_t> parent)
  96 {
  97         parent_= parent;
  98 }
  99
 100 void message_definition_t::set_last_value(std::shared_ptr<message_t> m)
 101 {
 102         last_value_= m->get_data_vector();
 103 }
 104
 105 uint32_t message_definition_t::get_length() const
 106 {
 107         return length_;
 108 }
 109
 110 uint32_t message_definition_t::get_flags() const
 111 {
 112         return flags_;
 113 }
 114
 115 bool message_definition_t::frame_layout_is_bigendian() const{
 116         return (flags_ & BYTE_FRAME_IS_BIG_ENDIAN);
 117 }