src/can-signals.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 "can-signals.hpp"
  19
  20 #include <fnmatch.h>
  21
  22 #include "low-can-binding.hpp"
  23
  24 /**
  25  * @brief Dumb SIGNALS array. It is composed by CanMessageSet
  26  * SIGNALS[MESSAGE_SET_ID][CanSignal]
  27  */
  28 std::vector<std::vector<CanSignal>> SIGNALS {
  29         {}// message set: example
  30 };
  31
  32 const std::vector<CanSignal> getSignals()
  33 {
  34         return SIGNALS[MESSAGE_SET_ID];
  35 }
  36
  37 size_t getSignalCount()
  38 {
  39         return SIGNALS[MESSAGE_SET_ID].size();
  40 }
  41
  42 std::vector<CanSignal> find_can_signals(openxc_DynamicField& key)
  43 {
  44         std::vector<CanSignal> signals;
  45
  46         switch(key.type)
  47         {
  48                 case openxc_DynamicField_Type::openxc_DynamicField_Type_STRING:
  49                         for(const CanSignal& s : getSignals())
  50                         {
  51                                 if(fnmatch(key.string_value, s.genericName, FNM_CASEFOLD) == 0)
  52                                         signals.push_back(s);
  53                         }
  54                         break;
  55                 case openxc_DynamicField_Type::openxc_DynamicField_Type_NUM:
  56                         for(const CanSignal& s : getSignals())
  57                         {
  58                                 CanMessageDefinition *msg_def = s.message;
  59                                 if(msg_def->id == key.numeric_value)
  60                                         signals.push_back(s);
  61                         }
  62                         break;
  63                 default:
  64                         ERROR(binder_interface, "find_can_signals: wrong openxc_DynamicField specified. Use openxc_DynamicField_Type_NUM or openxc_DynamicField_Type_STRING type only.");
  65                         CanSignal cs;
  66                         ::memset(&cs, 0, sizeof(CanSignal));
  67                         signals.push_back(cs);
  68                         return signals;
  69                         break;
  70         }
  71         return signals;
  72 }
  73
  74 inline uint32_t get_CanSignal_id(const CanSignal& sig)
  75 {
  76         return sig.message->id;
  77 }
  78
  79 const std::map<std::string, struct afb_event> get_subscribed_signals()
  80 {
  81         return subscribed_signals;
  82 }