2017-02-13 14:35:51 -10:00

93 lines
3.2 KiB
C

/****************************************************************************
* config/freedom-k66f/src/k66_bringup.c
*
* Copyright (C) 2016-2017 Gregory Nutt. All rights reserved.
* Authors: Gregory Nutt <gnutt@nuttx.org>
* David Sidrane <david_s5@nscdg.com>
*
* 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 <syslog.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/timers/rtc.h>
#include "freedom-k66f.h"
#include "kinetis_alarm.h"
/****************************************************************************
* Public Functions
****************************************************************************/
/************************************************************************************
* Name: k66_rtc_initialize
*
* Description:
* Called to initialize the RTC FREEDOM-K66F board.
*
************************************************************************************/
int k66_rtc_initialize(void)
{
int ret = -EIO;
FAR struct rtc_lowerhalf_s *lower;
/* Instantiate the KINETIS lower-half RTC driver */
lower = kinetis_rtc_lowerhalf();
if (!lower)
{
syslog(LOG_ERR,
"ERROR: Failed to instantiate the RTC lower-half driver\n");
}
else
{
/* Bind the lower half driver and register the combined RTC driver
* as /dev/rtc0
*/
ret = rtc_initialize(0, lower);
if (ret < 0)
{
syslog(LOG_ERR,
"ERROR: Failed to bind/register the RTC driver: %d\n",
ret);
}
}
return ret;
}