43d77227a0
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1325 42af7a65-404d-4744-a932-0658087f49c3
126 lines
4.4 KiB
C
126 lines
4.4 KiB
C
/****************************************************************************
|
|
* graphics/nxmu/nx_kbdin.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.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <sys/types.h>
|
|
#include <errno.h>
|
|
#include <debug.h>
|
|
|
|
#include <nuttx/nx.h>
|
|
#include "nxfe.h"
|
|
|
|
#ifdef CONFIG_NX_KBD
|
|
|
|
/****************************************************************************
|
|
* Pre-Processor Definitions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Private Types
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Private Data
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Public Data
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Private Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: nx_kbdin
|
|
*
|
|
* Description:
|
|
* Used by a thread or interrupt handler that manages some kind of keypad
|
|
* hardware to report text information to the NX server. That text
|
|
* data will be routed by the NX server to the appropriate window client.
|
|
*
|
|
****************************************************************************/
|
|
|
|
int int nx_kbdin(NXHANDLE handle, ubyte nch const char *ch)
|
|
{
|
|
FAR struct nxfe_conn_s *conn = (FAR struct nxfe_conn_s *)handle;
|
|
FAR struct nxsvrmsg_kbdin_s *outmsg;
|
|
int size;
|
|
int ret;
|
|
int i;
|
|
|
|
/* Allocate a bigger message to account for the variable amount of character
|
|
* data.
|
|
*/
|
|
|
|
size = sizeof(struct nxsvrmsg_kbdin_s) + nch - 1;
|
|
outmsg = (FAR struct nxsvrmsg_kbdin_s *)malloc(size);
|
|
if (!outmsg)
|
|
{
|
|
errno = ENOMEM;
|
|
return ERROR;
|
|
}
|
|
|
|
/* Inform the server of the new keypad data */
|
|
|
|
outsg->msgid = NX_SVRMSG_KBDIN;
|
|
outmsg->nch = nch;
|
|
|
|
for (i = 0; i < nch; i+)
|
|
{
|
|
outmsg->ch[i] = ch[i];
|
|
}
|
|
|
|
ret = mq_send(conn->c_cwrmq, outmsg, size, NX_SVRMSG_PRIO);
|
|
if (ret < 0)
|
|
{
|
|
gdbg("mq_send failed: %d\n", errno);
|
|
}
|
|
|
|
free(outmsg);
|
|
return ret;
|
|
}
|
|
|
|
#endif /* CONFIG_NX_KBD */
|