69 lines
2.7 KiB
C
69 lines
2.7 KiB
C
/*
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* CAN module object for LPC1768 microcontroller using Mbed SDK.
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*
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* @file CO_CAN.h
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* @author Benoit Rapidel
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* @copyright 2016 Benoit Rapidel
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*
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* This file is part of CANopenNode, an opensource CANopen Stack.
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* Project home page is <https://github.com/CANopenNode/CANopenNode>.
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* For more information on CANopen see <http://www.can-cia.org/>.
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*
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* CANopenNode is free and open source software: you can redistribute
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* it and/or modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation, either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* Following clarification and special exception to the GNU General Public
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* License is included to the distribution terms of CANopenNode:
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*
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* Linking this library statically or dynamically with other modules is
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* making a combined work based on this library. Thus, the terms and
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* conditions of the GNU General Public License cover the whole combination.
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*
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* As a special exception, the copyright holders of this library give
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* you permission to link this library with independent modules to
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* produce an executable, regardless of the license terms of these
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* independent modules, and to copy and distribute the resulting
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* executable under terms of your choice, provided that you also meet,
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* for each linked independent module, the terms and conditions of the
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* license of that module. An independent module is a module which is
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* not derived from or based on this library. If you modify this
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* library, you may extend this exception to your version of the
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* library, but you are not obliged to do so. If you do not wish
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* to do so, delete this exception statement from your version.
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*/
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#ifndef CO_CAN_H
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#define CO_CAN_H
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#ifndef MBED_CAN
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#error "MBED_CAN must be defined to select CAN port"
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#endif
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#include "mbed.h"
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#if (MBED_CAN == 0)
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#define MBED_CAN_RX p9
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#define MBED_CAN_TX p10
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#define MBED_CAN_REG LPC_CAN1
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#else
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#define MBED_CAN_RX (p30)
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#define MBED_CAN_TX (p29)
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#define MBED_CAN_REG (LPC_CAN2)
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#endif
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#define MBED_CHECK_TX_BUFFERS (MBED_CAN_REG->SR & 0x4 || MBED_CAN_REG->SR & 0x400 || MBED_CAN_REG->SR & 0x40000)
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#define MBED_CHECK_TX_INTERRUPTS(intStatus) (intStatus & 0x2 || intStatus & 0x200 || intStatus & 0x400)
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extern CAN *CANport;
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#endif // CO_CAN_H
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