2 * Copyright (C) 2015, 2016 "IoT.bzh"
3 * Author "Romain Forlot" <romain.forlot@iot.bzh>
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
9 * http://www.apache.org/licenses/LICENSE-2.0
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.
26 #include <linux/can.h>
29 #include "openxc.pb.h"
30 #include "can-utils.hpp"
34 #include <afb/afb-binding.h>
35 #include <afb/afb-event-itf.h>
38 #define MESSAGE_SET_ID 0
41 * @brief Can signal event map making access to afb_event
42 * externaly to an openxc existing structure.
44 * @desc Event map is making relation between CanSignal generic name
45 * and the afb_event struct used by application framework to pushed
48 static std::map<std::string, struct afb_event> subscribed_signals;
50 std::mutex& get_subscribed_signals_mutex();
52 /** Public: Return the currently active CAN configuration. */
53 CanMessageSet* getActiveMessageSet();
55 /** Public: Retrive a list of all possible CAN configurations.
57 * Returns a pointer to an array of all configurations.
59 CanMessageSet* getMessageSets();
61 /** Public: Return the length of the array returned by getMessageSets() */
62 int getMessageSetCount();
64 /* Public: Return the number of CAN buses configured in the active
65 * configuration. This is limited to 2, as the hardware controller only has 2
70 /* Public: Return an array of all CAN messages to be processed in the active
73 CanMessageDefinition* getMessages();
75 /* Public: Return signals from an signals array filtered on name.
77 const std::vector<CanSignal> getSignals();
79 /* Public: Return an array of all OpenXC CAN commands enabled in the active
80 * configuration that can write back to CAN with a custom handler.
82 * * Commands not defined here are handled using a 1-1 mapping from the signals
85 CanCommand* getCommands();
87 /* Public: Return the length of the array returned by getCommandCount(). */
88 int getCommandCount();
90 /* Public: Return the length of the array returned by getSignals(). */
91 size_t getSignalCount();
93 /* Public: Return the length of the array returned by getMessages(). */
94 int getMessageCount();
97 * @brief Return an array of the metadata for the 2 CAN buses you want to
98 * monitor. The size of this array is fixed at 2.
100 can_bus_dev_t getCanBuses();
103 * @brief Find one or many signals based on its name or id
104 * passed through openxc_DynamicField.
106 * @param[in] openxc_DynamicField& - a const reference with the key to search into signal.
107 * Key is either a signal name or its CAN arbitration id.
109 * @return std::vector<std::string> return found CanSignal generic name vector.
111 std::vector<CanSignal> find_can_signals(const openxc_DynamicField &key);
114 * @brief Retrieve can arbitration id of a given CanSignal
116 * @param[in] CanSignal& - a const reference to a CanSignal
118 * @return uint32_t - unsigned integer representing the arbitration id.
120 inline uint32_t get_CanSignal_id(const CanSignal& sig);
123 * @brief return the subscribed_signals map.
125 * return std::map<std::string, struct afb_event> - map of subscribed signals.
127 const std::map<std::string, struct afb_event> get_subscribed_signals();