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.
25 #include <linux/can.h>
28 #include "openxc.pb.h"
29 #include "can-utils.hpp"
33 #include <afb/afb-binding.h>
34 #include <afb/afb-event-itf.h>
37 #define MESSAGE_SET_ID 0
40 * @brief Can signal event map making access to afb_event
41 * externaly to an openxc existing structure.
43 * @desc Event map is making relation between CanSignal generic name
44 * and the afb_event struct used by application framework to pushed
47 static std::map<std::string, struct afb_event> subscribed_signals;
49 /** Public: Return the currently active CAN configuration. */
50 CanMessageSet* getActiveMessageSet();
52 /** Public: Retrive a list of all possible CAN configurations.
54 * Returns a pointer to an array of all configurations.
56 CanMessageSet* getMessageSets();
58 /** Public: Return the length of the array returned by getMessageSets() */
59 int getMessageSetCount();
61 /* Public: Return the number of CAN buses configured in the active
62 * configuration. This is limited to 2, as the hardware controller only has 2
67 /* Public: Return an array of all CAN messages to be processed in the active
70 CanMessageDefinition* getMessages();
72 /* Public: Return signals from an signals array filtered on name.
74 const std::vector<CanSignal> getSignals();
76 /* Public: Return an array of all OpenXC CAN commands enabled in the active
77 * configuration that can write back to CAN with a custom handler.
79 * * Commands not defined here are handled using a 1-1 mapping from the signals
82 CanCommand* getCommands();
84 /* Public: Return the length of the array returned by getCommandCount(). */
85 int getCommandCount();
87 /* Public: Return the length of the array returned by getSignals(). */
88 size_t getSignalCount();
90 /* Public: Return the length of the array returned by getMessages(). */
91 int getMessageCount();
94 * @brief Return an array of the metadata for the 2 CAN buses you want to
95 * monitor. The size of this array is fixed at 2.
97 CanBus* getCanBuses();
100 * @brief Find one or many signals based on its name or id
101 * passed through openxc_DynamicField.
103 * @param[in] openxc_DynamicField& - a const reference with the key to search into signal.
104 * Key is either a signal name or its CAN arbitration id.
106 * @return std::vector<std::string> return found CanSignal generic name vector.
108 std::vector<CanSignal> find_can_signals(const openxc_DynamicField &key);
111 * @brief Retrieve can arbitration id of a given CanSignal
113 * @param[in] CanSignal& - a const reference to a CanSignal
115 * @return uint32_t - unsigned integer representing the arbitration id.
117 inline uint32_t get_CanSignal_id(const CanSignal& sig);
120 * @brief return the subscribed_signals map.
122 * return std::map<std::string, struct afb_event> - map of subscribed signals.
124 const std::map<std::string, struct afb_event> get_subscribed_signals();