2 Copyright (C) 2012 Intel Corporation
4 This library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 This library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with this library; if not, write to the Free Software
16 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 * \addtogroup libcanbus
28 #include <linux/can.h>
30 #include "canframeinfo.h"
33 * \brief Interface. Receives notifications about the CAN bus traffic and errors.
35 * CANBus user has to derive from this interface.
43 * General CAN bus error. Currently only GENERAL_ERROR is specified.
51 virtual ~CANObserver(){} /*LCOV_EXCL_LINE*/
53 * Called when error occurred on the bus.
55 * @param error Bus error code
57 virtual void errorOccured(CANObserver::CANError error) = 0; /* socket error */
59 * Called when standard frame was is received from the bus.
60 * @fn standardFrameReceived
61 * @param frame Received frame
63 virtual void standardFrameReceived(const can_frame& frame) = 0; /* SFF was present */
65 * Called when extended frame was is received from the bus.
66 * @fn extendedFrameReceived
67 * @param frame Received frame
69 virtual void extendedFrameReceived(const can_frame& frame) = 0; /* EFF was present */
71 * Called when error frame was received from the bus.
72 * @fn errorFrameReceived
73 * @param frame Error frame
75 virtual void errorFrameReceived(const can_frame& frame) = 0; /* error frame */
77 * Called when remote transmission frame was received from the bus.
78 * @fn remoteTransmissionRequest
79 * @param frame RTR frame
81 virtual void remoteTransmissionRequest(const can_frame& frame) = 0; /* remote transmission request (SFF/EFF is still present)*/
83 * Called when timeout was detected for a cyclic message.
87 virtual void timeoutDetected(const can_frame& frame) = 0; /* timeout */
90 #endif // CANOBSERVER_H