You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
100 lines
3.3 KiB
100 lines
3.3 KiB
/**************************************************************************** |
|
* examples/serloop/serloop_main.c |
|
* |
|
* Copyright (C) 2008-2009, 2011 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. |
|
* |
|
****************************************************************************/ |
|
|
|
/**************************************************************************** |
|
* Included Files |
|
****************************************************************************/ |
|
|
|
#include <nuttx/config.h> |
|
|
|
#include <stdint.h> |
|
#include <stdio.h> |
|
#include <unistd.h> |
|
|
|
/**************************************************************************** |
|
* Definitions |
|
****************************************************************************/ |
|
|
|
/**************************************************************************** |
|
* Private Data |
|
****************************************************************************/ |
|
|
|
/**************************************************************************** |
|
* Public Functions |
|
****************************************************************************/ |
|
|
|
/**************************************************************************** |
|
* serloop_main |
|
****************************************************************************/ |
|
|
|
int serloop_main(int argc, char *argv[]) |
|
{ |
|
#ifdef CONFIG_EXAMPLES_SERLOOP_BUFIO |
|
int ch; |
|
|
|
for (;;) |
|
{ |
|
ch = getchar(); |
|
if (ch < 1) |
|
{ |
|
ch = '!'; |
|
} |
|
else if ((ch < 0x20 || ch > 0x7e) && ch != '\n') |
|
{ |
|
ch = '.'; |
|
} |
|
putchar(ch); |
|
} |
|
#else |
|
uint8_t ch; |
|
int ret; |
|
|
|
for (;;) |
|
{ |
|
ret = read(0, &ch, 1); |
|
if (ret < 1) |
|
{ |
|
ch = '!'; |
|
} |
|
else if ((ch < 0x20 || ch > 0x7e) && ch != '\n') |
|
{ |
|
ch = '.'; |
|
} |
|
ret = write(1, &ch, 1); |
|
} |
|
#endif |
|
return 0; |
|
} |
|
|
|
|