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author | Romain Forlot <romain.forlot@iot.bzh> | 2017-02-28 12:00:43 +0100 |
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committer | Romain Forlot <romain.forlot@iot.bzh> | 2017-02-28 21:45:49 +0100 |
commit | c009c3c329d30acfb6be3a8ed0671a9a07266546 (patch) | |
tree | e840446be82046d908d0e498d430fc8307c4c30e /src/can-command.hpp | |
parent | d4c6484ca4f8d9eb8f97d7e0555e461f2831baa3 (diff) |
Re-arranging objects splitting all objects over
separated files.
Change-Id: Ifbdb2ea08704324e505a48ba3124df6f2af63c6b
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>
Diffstat (limited to 'src/can-command.hpp')
-rw-r--r-- | src/can-command.hpp | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/can-command.hpp b/src/can-command.hpp new file mode 100644 index 0000000..ee9ea37 --- /dev/null +++ b/src/can-command.hpp @@ -0,0 +1,66 @@ +/* + * 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* genericName; /*!< genericName - 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();
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