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[[streams]]
name = "Default"
priority = 25
kground-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
/*
 * Copyright (C) 2015, 2016 "IoT.bzh"
 * Author "Romain Forlot" <romain.forlot@iot.bzh>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *	 http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once

#include "openxc.pb.h"
#include "can-signals.hpp"

/**
 * @brief The type signature for a function to handle a custom OpenXC command.
 *
 * @param[in] char* name - the name of the received command.
 * @param[in] openxc_DynamicField* value - the value of the received command, in a DynamicField. The actual type
 *		may be a number, string or bool.
 * @param[in] openxc_DynamicField* event - an optional event from the received command, in a DynamicField. The
 *		actual type may be a number, string or bool.
 * @param[in] CanSignal* signals - The list of all signals.
 * @param[in] int signalCount - The length of the signals array.
 */
typedef void (*CommandHandler)(const char* name, openxc_DynamicField* value,
		openxc_DynamicField* event, CanSignal* signals, int signalCount);

/* @struct CanCommand
 * @brief The structure to represent a supported custom OpenXC command.
 *
 * @desc For completely customized CAN commands without a 1-1 mapping between an
 * OpenXC message from the host and a CAN signal, you can define the name of the
 * command and a custom function to handle it in the VI. An example is
 * the "turn_signal_status" command in OpenXC, which has a value of "left" or
 * "right". The vehicle may have separate CAN signals for the left and right
 * turn signals, so you will need to implement a custom command handler to send
 * the correct signals.
 *
 * Command handlers are also useful if you want to trigger multiple CAN messages
 * or signals from a signal OpenXC message.
 */
typedef struct {
	const char* generic_name; /*!< generic_name - The name of the command.*/
	CommandHandler handler; /*!< handler - An function to process the received command's data and perform some
 							*	action.*/
} CanCommand;

/* Public: Return an array of all OpenXC CAN commands enabled in the active
 * configuration that can write back to CAN with a custom handler.
 *
 * * Commands not defined here are handled using a 1-1 mapping from the signals
 * list.
 *		*/
CanCommand* getCommands();

/* Public: Return the length of the array returned by getCommandCount(). */
int getCommandCount();