fff9db3c57
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3595 42af7a65-404d-4744-a932-0658087f49c3
105 lines
3.2 KiB
C
105 lines
3.2 KiB
C
/****************************************************************************
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* arch/rgmp/src/bridge.c
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*
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* Copyright (C) 2011 Yu Qiang. All rights reserved.
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* Author: Yu Qiang <yuq825@gmail.com>
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*
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* This file is a part of NuttX:
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*
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* Copyright (C) 2011 Gregory Nutt. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#include <sys/types.h>
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#include <stdbool.h>
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#include <nuttx/fs.h>
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#include <nuttx/kmalloc.h>
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#include <fs_internal.h>
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#include <queue.h>
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#include <arch/irq.h>
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#include <rgmp/bridge.h>
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#include <rgmp/string.h>
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#include <rgmp/stdio.h>
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static ssize_t up_bridge_read(struct file *filp, char *buffer, size_t len)
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{
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struct rgmp_bridge *b;
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b = filp->f_inode->i_private;
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return rgmp_bridge_read(b, buffer, len);
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}
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static ssize_t up_bridge_write(struct file *filp, const char *buffer, size_t len)
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{
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struct rgmp_bridge *b;
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b = filp->f_inode->i_private;
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return rgmp_bridge_write(b, (char *)buffer, len);
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}
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static int up_bridge_open(struct file *filp)
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{
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return 0;
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}
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static int up_bridge_close(struct file *filp)
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{
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return 0;
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}
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static const struct file_operations up_bridge_fops =
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{
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.read = up_bridge_read,
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.write = up_bridge_write,
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.open = up_bridge_open,
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.close = up_bridge_close,
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};
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void up_register_bridges(void)
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{
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int err;
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char path[30] = {'/', 'd', 'e', 'v', '/'};
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struct rgmp_bridge *b;
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for (b=bridge_list.next; b!=NULL; b=b->next) {
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// make rgmp_bridge0 to be the console
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if (strcmp(b->vdev->name, "rgmp_bridge0") == 0)
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strlcpy(path+5, "console", 25);
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else
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strlcpy(path+5, b->vdev->name, 25);
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err = register_driver(path, &up_bridge_fops, 0666, b);
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if (err == ERROR)
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cprintf("NuttX: register bridge %s fail\n", b->vdev->name);
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}
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}
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