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Diffstat (limited to 'nuttx/examples/pashello/device.c')
-rw-r--r-- | nuttx/examples/pashello/device.c | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/nuttx/examples/pashello/device.c b/nuttx/examples/pashello/device.c deleted file mode 100644 index 5f0038ad7..000000000 --- a/nuttx/examples/pashello/device.c +++ /dev/null @@ -1,110 +0,0 @@ -/**************************************************************************** - * examples/pashello/device.c - * - * 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. - * - ****************************************************************************/ - -/**************************************************************************** - * Compilation Switches - ****************************************************************************/ - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include <nuttx/config.h> - -#include <sys/types.h> -#include <string.h> -#include <errno.h> -#include <nuttx/fs.h> - -#include "hello.h" -#include "pashello.h" - -/**************************************************************************** - * Private Function Prototypes - ****************************************************************************/ - -static ssize_t hello_read(struct file *, char *, size_t); - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -static const struct file_operations hello_fops = -{ - 0, /* open */ - 0, /* close */ - hello_read, /* read */ - 0, /* write */ - 0, /* seek */ - 0, /* ioctl */ -#ifndef CONFIG_DISABLE_POLL - 0 /* poll */ -#endif -}; - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -static ssize_t hello_read(struct file *filep, char *buffer, size_t len) -{ - off_t offset = filep->f_pos; /* Start read position */ - ssize_t nread = 0; /* Bytes read -- assume EOF */ - - /* Make sure that the offset is within the .pex file */ - - if (offset < hello_pex_len) - { - /* Make sure the read does not extend beyond the .pex file */ - - nread = len; - if (nread + offset > hello_pex_len) - { - nread = hello_pex_len - offset; - } - memcpy(buffer, &hello_pex[offset], nread); - filep->f_pos += nread; - } - return nread; -} - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -void hello_register(void) -{ - (void)register_driver("/dev/hello", &hello_fops, 0444, NULL); -} |