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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2008-03-23 21:22:19 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2008-03-23 21:22:19 +0000 |
commit | ab79926704fe3e83ac5904029ac67c0db89f3e87 (patch) | |
tree | cb3924574e08597d61a00d9f9d27caa3cf226193 /nuttx/arch/z80/include | |
parent | 80962cfd5bd1ba72390abaa35f2aa91cab69fd67 (diff) | |
download | px4-nuttx-ab79926704fe3e83ac5904029ac67c0db89f3e87.tar.gz px4-nuttx-ab79926704fe3e83ac5904029ac67c0db89f3e87.tar.bz2 px4-nuttx-ab79926704fe3e83ac5904029ac67c0db89f3e87.zip |
Fix access to ez80 I/O address space
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@748 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/z80/include')
-rw-r--r-- | nuttx/arch/z80/include/ez80/io.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/nuttx/arch/z80/include/ez80/io.h b/nuttx/arch/z80/include/ez80/io.h new file mode 100644 index 000000000..84ba3f965 --- /dev/null +++ b/nuttx/arch/z80/include/ez80/io.h @@ -0,0 +1,87 @@ +/**************************************************************************** + * arch/z80/include/ez80/io.h + * arch/chip/io.h + * + * Copyright (C) 2008 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. + * + ****************************************************************************/ + +/* This file should never be included directed but, rather, only indirectly + * through arch/io.h + */ + +#ifndef __ARCH_EZ80_IO_H +#define __ARCH_EZ80_IO_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <sys/types.h> + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +/**************************************************************************** + * Public Types + ****************************************************************************/ + +/**************************************************************************** + * Inline functions + ****************************************************************************/ + +/**************************************************************************** + * Public Variables + ****************************************************************************/ + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +#ifndef __ASSEMBLY__ +#ifdef __cplusplus +#define EXTERN extern "C" +extern "C" { +#else +#define EXTERN extern +#endif + +EXTERN void outp(uint16 p, ubyte c); +EXTERN ubyte inp(uint16 p); + +#undef EXTERN +#ifdef __cplusplus +} +#endif +#endif + +#endif /* __ARCH_EZ80_IO_H */ |