nuttx/boards/arm/lpc17xx_40xx/zkit-arm-1769/src/lpc17_40_can.c
Alin Jerpelea 907d6b085b Merged in alinjerpelea/nuttx (pull request #991)
arm: codestyle fixes 2

* arm: kl: codestyle fixes

    After the board restructuration is time for codestyle cleanup

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

* arm: lc823450: codestyle fixes

    After the board restructuration is time for codestyle cleanup

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

* arm: lpc17xx_40xx: codestyle fixes

    After the board restructuration is time for codestyle cleanup

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

Approved-by: Gregory Nutt <gnutt@nuttx.org>
2019-08-13 16:08:49 +00:00

135 lines
4.2 KiB
C

/****************************************************************************
* boards/arm/lpc17xx_40xx/zkit-arm-1769/src/lpc17_40_can.c
*
* Copyright (C) 2013 Zilogic Systems. All rights reserved.
* Author: Raashid Muhammed <code@zilogic.com>
*
* Based on boards/olimex-lpc1766stk/src/lpc17_40_can.c
*
* Copyright (C) 2012, 2016 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/can/can.h>
#include <arch/board/board.h>
#include "chip.h"
#include "up_arch.h"
#include "lpc17_40_can.h"
#include "zkit-arm-1769.h"
#ifdef CONFIG_CAN
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
#define CAN_PORT1 1
#define CAN_PORT2 2
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: zkit_can_setup
*
* Description:
* Initialize CAN and register the CAN device
*
****************************************************************************/
int zkit_can_setup(void)
{
#if defined(CONFIG_LPC17_40_CAN1) || defined(CONFIG_LPC17_40_CAN2)
struct can_dev_s *can;
int ret;
#ifdef CONFIG_LPC17_40_CAN1
/* Call lpc17_40_caninitialize() to get an instance of the CAN1 interface */
can = lpc17_40_caninitialize(CAN_PORT1);
if (can == NULL)
{
canerr("ERROR: Failed to get CAN1 interface\n");
return -ENODEV;
}
/* Register the CAN1 driver at "/dev/can0" */
ret = can_register("/dev/can0", can);
if (ret < 0)
{
canerr("ERROR: CAN1 register failed: %d\n", ret);
return ret;
}
#endif
#ifdef CONFIG_LPC17_40_CAN2
/* Call lpc17_40_caninitialize() to get an instance of the CAN2 interface */
can = lpc17_40_caninitialize(CAN_PORT2);
if (can == NULL)
{
canerr("ERROR: Failed to get CAN2 interface\n");
return -ENODEV;
}
/* Register the CAN2 driver at "/dev/can1" */
ret = can_register("/dev/can1", can);
if (ret < 0)
{
canerr("ERROR: CAN2 register failed: %d\n", ret);
return ret;
}
#endif
return OK;
#else
return -ENODEV;
#endif
}
#endif /* CONFIG_CAN */