a8de37fbec
by this command: git ls-files -z | while IFS= read -rd '' f; do tail -c1 < "$f" | read -r _ || echo >> "$f"; done
119 lines
3.9 KiB
C
119 lines
3.9 KiB
C
/****************************************************************************
|
|
* boards/arm/tiva/dk-tm4c129x/src/tm4c_timer.c
|
|
*
|
|
* Copyright (C) 2015 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 <debug.h>
|
|
|
|
#include "tiva_timer.h"
|
|
#include "dk-tm4c129x.h"
|
|
|
|
#ifdef CONFIG_DK_TM4C129X_TIMER
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
/* Configuration ************************************************************/
|
|
|
|
#ifndef CONFIG_TIMER
|
|
# error CONFIG_TIMER is not defined
|
|
#endif
|
|
|
|
#ifndef CONFIG_TIVA_TIMER32_PERIODIC
|
|
# error CONFIG_TIVA_TIMER32_PERIODIC is not defined
|
|
#endif
|
|
|
|
#if defined(CONFIG_DK_TM4C129X_TIMER0)
|
|
# define GPTM 0
|
|
#elif defined(CONFIG_DK_TM4C129X_TIMER1)
|
|
# define GPTM 1
|
|
#elif defined(CONFIG_DK_TM4C129X_TIMER2)
|
|
# define GPTM 2
|
|
#elif defined(CONFIG_DK_TM4C129X_TIMER3)
|
|
# define GPTM 3
|
|
#elif defined(CONFIG_DK_TM4C129X_TIMER4)
|
|
# define GPTM 4
|
|
#elif defined(CONFIG_DK_TM4C129X_TIMER5)
|
|
# define GPTM 5
|
|
#elif defined(CONFIG_DK_TM4C129X_TIMER6)
|
|
# define GPTM 6
|
|
#elif defined(CONFIG_DK_TM4C129X_TIMER7)
|
|
# define GPTM 7
|
|
#else
|
|
# error No CONFIG_DK_TM4C129X_TIMERn definition
|
|
#endif
|
|
|
|
#ifndef CONFIG_DK_TM4C129X_TIMER_DEVNAME
|
|
# define CONFIG_DK_TM4C129X_TIMER_DEVNAME "/dev/timer0"
|
|
#endif
|
|
|
|
#undef CONFIG_DK_TM4C129X_TIMER_ALTCLK
|
|
#define ALTCLK false
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: tiva_timer_configure
|
|
*
|
|
* Description:
|
|
* Configure the timer driver
|
|
*
|
|
****************************************************************************/
|
|
|
|
int tiva_timer_configure(void)
|
|
{
|
|
int ret;
|
|
|
|
tmrinfo("Registering TIMER%d at %s\n", GPTM,
|
|
CONFIG_DK_TM4C129X_TIMER_DEVNAME);
|
|
|
|
ret = tiva_timer_register(CONFIG_DK_TM4C129X_TIMER_DEVNAME, GPTM, ALTCLK);
|
|
if (ret < 0)
|
|
{
|
|
tmrerr("ERROR: Failed to register timer driver: %d\n", ret);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
#endif /* CONFIG_DK_TM4C129X_TIMER */
|