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Diffstat (limited to 'can-signals.h')
-rw-r--r-- | can-signals.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/can-signals.h b/can-signals.h new file mode 100644 index 00000000..3cbbe20b --- /dev/null +++ b/can-signals.h @@ -0,0 +1,85 @@ +/* + * 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 "can-utils.h" + +/** Public: Return the currently active CAN configuration. */ +CanMessageSet* getActiveMessageSet(); + +/** Public: Retrive a list of all possible CAN configurations. + * * + * * Returns a pointer to an array of all configurations. + * */ +CanMessageSet* getMessageSets(); + +/** Public: Return the length of the array returned by getMessageSets() */ +int getMessageSetCount(); + +/* Public: Return the number of CAN buses configured in the active + * * configuration. This is limited to 2, as the hardware controller only has 2 + * * CAN channels. + * */ +int getCanBusCount(); + +/* Public: Return an array of all CAN messages to be processed in the active + * * configuration. + * */ +CanMessageDefinition* getMessages(); + +/* Public: Return an array of all CAN signals to be processed in the active + * * configuration. + * */ +CanSignal* getSignals(); + +/* 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(); + +/* Public: Return the length of the array returned by getSignals(). */ +int getSignalCount(); + +/* Public: Return the length of the array returned by getMessages(). */ +int getMessageCount(); + +/* Public: Return an array of the metadata for the 2 CAN buses you want to + * * monitor. The size of this array is fixed at 2. + * */ +CanBus* getCanBuses(); + +/* Public: Decode CAN signals from raw CAN messages, translate from engineering + * * units to something more human readable, and send the resulting value over USB + * * as an OpenXC-style JSON message. + * * + * * This is the main workhorse function of the VI. Every time a new + * * CAN message is received that matches one of the signals in the list returend + * * by getSignals(), this function is called with the message ID and 64-bit data + * * field. + * * + * * bus - The CAN bus this message was received on. + * * message - The received CAN message. + * */ +void decodeCanMessage(openxc::pipeline::Pipeline* pipeline, CanBus* bus, CanMessage* message); + |