/****************************************************************************
* arch/hc/src/m9s12/m9s12_serial.c
*
* Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* 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 "up_internal.h"
/****************************************************************************
* Definitions
****************************************************************************/
/* Some sanity checks *******************************************************/
/* Is there an SCI enabled? */
#if !defined(CONFIG_HCS12_SCI0) && !defined(CONFIG_HCS12_SCI1)
# undef HAVE_SERIAL
#else
# define HAVE_SERIAL 1
#endif
/* Is there a serial console? Need to have (1) at least SCI enabled, and (2)
* serial console and file descriptors selected in the configuration
*/
#if defined(HAVE_SERIAL) && defined(CONFIG_USE_SERIALDRIVER)
# if defined(CONFIG_SCI0_SERIAL_CONSOLE) && defined(CONFIG_HCS12_SCI0)
# undef CONFIG_SCI1_SERIAL_CONSOLE
# define HAVE_SERIAL_CONSOLE 1
# elif defined(CONFIG_SCI1_SERIAL_CONSOLE) && defined(CONFIG_HCS12_SCI1)
# undef CONFIG_SCI0_SERIAL_CONSOLE
# define HAVE_SERIAL_CONSOLE 1
# else
# undef CONFIG_SCI0_SERIAL_CONSOLE
# undef CONFIG_SCI1_SERIAL_CONSOLE
# undef HAVE_SERIAL_CONSOLE
# endif
#else
# undef CONFIG_SCI0_SERIAL_CONSOLE
# undef CONFIG_SCI1_SERIAL_CONSOLE
# undef HAVE_SERIAL_CONSOLE
# undef CONFIG_USE_SERIALDRIVER
# undef CONFIG_USE_EARLYSERIALINIT
#endif
#ifdef CONFIG_USE_SERIALDRIVER
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Private Variables
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: up_earlyserialinit
*
* Description:
* Performs the low level SCI initialization early in debug so that the
* serial console will be available during bootup. This must be called
* before up_serialinit.
*
****************************************************************************/
#ifdef CONFIG_USE_EARLYSERIALINIT
void up_earlyserialinit(void)
{
#error "Serial support not-implemented"
}
#endif
/****************************************************************************
* Name: up_serialinit
*
* Description:
* Register serial console and serial ports. This assumes
* that up_earlyserialinit was called previously.
*
****************************************************************************/
void up_serialinit(void)
{
#error "Serial support not-implemented"
}
/****************************************************************************
* Name: up_putc
*
* Description:
* Provide priority, low-level access to support OS debug writes
*
****************************************************************************/
int up_putc(int ch)
{
#error "Serial support not-implemented"
}
#else /* CONFIG_USE_SERIALDRIVER */
/****************************************************************************
* Name: up_putc
*
* Description:
* Provide priority, low-level access to support OS debug writes
*
****************************************************************************/
int up_putc(int ch)
{
#ifdef CONFIG_ARCH_LOWPUTC
/* Check for LF */
if (ch == '\n')
{
/* Add CR */
up_lowputc('\r');
}
up_lowputc(ch);
#endif
return ch;
}
#endif /* CONFIG_USE_SERIALDRIVER */
