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/****************************************************************************
* configs/ne64badge/src/up_buttons.c
*
* Copyright (C) 2011 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 <stdint.h>
#include <arch/board/board.h>
#include "ne64badge_internal.h"
#ifdef CONFIG_ARCH_BUTTONS
/****************************************************************************
* Definitions
****************************************************************************/
/* Enables debug output from this file (needs CONFIG_DEBUG with
* CONFIG_DEBUG_VERBOSE too)
*/
#undef BUTTON_DEBUG /* Define to enable debug */
#undef BUTTON_VERBOSE /* Define to enable verbose debug */
#ifdef BUTTON_DEBUG
# define btndbg lldbg
# ifdef BUTTON_VERBOSE
# define btnvdbg lldbg
# else
# define btnvdbg(x...)
# endif
#else
# undef BUTTON_VERBOSE
# define btndbg(x...)
# define btnvdbg(x...)
#endif
/* Dump GPIO registers */
#ifdef BUTTON_VERBOSE
# define btn_dumpgpio(m) m9s12_dumpgpio(m)
#else
# define btn_dumpgpio(m)
#endif
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: up_buttoninit
****************************************************************************/
void up_buttoninit(void)
{
/* Configure all button GPIO lines */
btn_dumpgpio("up_buttoninit() Entry)");
hcs12_configgpio(NE64BADGE_BUTTON1);
hcs12_configgpio(NE64BADGE_BUTTON2);
btn_dumpgpio("up_buttoninit() Exit");
}
/****************************************************************************
* Name: up_buttons
****************************************************************************/
uint8_t up_buttons(void)
{
uint8_t ret = 0;
if (hcs12_gpioread(NE64BADGE_BUTTON1))
{
ret |= BUTTON1;
}
if (hcs12_gpioread(NE64BADGE_BUTTON2))
{
ret |= BUTTON2;
}
return ret;
}
#endif /* CONFIG_ARCH_BUTTONS */
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