incubator-nuttx/libs/libnx/nxmu/nx_kbdchin.c

67 lines
2.3 KiB
C

/****************************************************************************
* libs/libnx/nxmu/nx_kbdchin.c
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/nx/nx.h>
#include <nuttx/nx/nxmu.h>
#ifdef CONFIG_NX_KBD
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nx_kbdchin
*
* 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 nx_kbdchin(NXHANDLE handle, uint8_t ch)
{
FAR struct nxmu_conn_s *conn = (FAR struct nxmu_conn_s *)handle;
struct nxsvrmsg_kbdin_s outmsg;
/* Inform the server of the new keypad data */
outmsg.msgid = NX_SVRMSG_KBDIN;
outmsg.nch = 1;
outmsg.ch[0] = ch;
return nxmu_sendserver(conn, &outmsg, sizeof(struct nxsvrmsg_kbdin_s));
}
#endif /* CONFIG_NX_KBD */