nuttx/libc/misc/lib_kbdencode.c
patacongo 9c8152f308 Implement encoding the usbhost HID keyboard driver; configre olimex-lpc1766stk HID keyboard configuration to use the kconfig-frontends tool
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5461 42af7a65-404d-4744-a932-0658087f49c3
2012-12-26 18:54:59 +00:00

85 lines
3.4 KiB
C

/********************************************************************************************
* libc/msic/lib_kbdencode.c
* Encoding side of the Keyboard CODEC
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Authors: 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 <assert.h>
#include <nuttx/streams.h>
#include <nuttx/ascii.h>
#include <nuttx/input/kbd_codec.h>
/********************************************************************************************
* Pre-Processor Definitions
********************************************************************************************/
/********************************************************************************************
* Public Functions
********************************************************************************************/
/****************************************************************************
* Name: kbd_putspecial
*
* Description:
* Put one special, "out-of-band" command into the output stream.
*
* Input Parameters:
* keycode - The command to be added to the output stream.
* stream - An instance of lib_outstream_s to do the low-level put
* operation.
*
* Returned Value:
* None
*
****************************************************************************/
void kbd_putspecial(enum kbd_keycode_e keycode,
FAR struct lib_outstream_s *stream)
{
DEBUGASSERT(stream && keycode >= KEYCODE_FWDDEL && keycode <= LAST_KEYCODE);
stream->put(stream, ASCII_ESC);
stream->put(stream, '[');
stream->put(stream, (int)keycode);
stream->put(stream, ';');
}