nuttx/arch/z80/src/z180/z180_serial.h
patacongo 7767f8a6c6 Add z180 system timer
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5438 42af7a65-404d-4744-a932-0658087f49c3
2012-12-15 15:03:35 +00:00

112 lines
3.9 KiB
C

/****************************************************************************
* arch/z80/src/z180/z180_serial.h
*
* Copyright (C) 2012 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.
*
****************************************************************************/
#ifndef __ARCH_Z80_SRC_Z180_Z180_SERIAL_H
#define __ARCH_Z80_SRC_Z180_Z180_SERIAL_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include "up_internal.h"
#include "z180_config.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: z180_uart_lowinit
*
* Description:
* Called early in the boot sequence to initialize the uart console
* channel (only).
*
****************************************************************************/
#if defined(HAVE_UART) && defined(USE_LOWSERIALINIT)
void z180_uart_lowinit(void);
#else
# define z180_uart_lowinit()
#endif
/****************************************************************************
* Name: z180_scc_lowinit
*
* Description:
* Called early in the boot sequence to initialize the [E]SCC console
* channel (only).
*
****************************************************************************/
#if defined(HAVE_SCC) && defined(USE_LOWSERIALINIT)
void z180_scc_lowinit(void);
#else
# define z180_scc_lowinit()
#endif
/****************************************************************************
* Name: z180_putc
*
* Description:
* Low-level character output
*
****************************************************************************/
void z180_putc(uint8_t ch) __naked;
/****************************************************************************
* Name: up_putc/up_lowputc
*
* Description:
* Low-level console output
*
****************************************************************************/
#ifdef USE_SERIALDRIVER
int up_lowputc(int ch);
#else
int up_putc(int ch);
# define up_lowputc(ch) up_putc(ch)
#endif
#endif /* __ARCH_Z80_SRC_Z180_Z180_SERIAL_H */