* drivers/note/noterpmsg_server.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/kmalloc.h>
#include <nuttx/rpmsg/rpmsg.h>
#include <nuttx/sched_note.h>
#include "noterpmsg.h"
* Pre-processor Definitions
****************************************************************************/
* Private Types
****************************************************************************/
struct noterpmsg_server_s
{
struct rpmsg_endpoint ept;
};
* Private Data
****************************************************************************/
* Private Functions
****************************************************************************/
static int noterpmsg_ept_cb(FAR struct rpmsg_endpoint *ept,
FAR void *data, size_t len,
uint32_t src, FAR void *priv)
{
* data packet.
*/
sched_note_add(data, len);
return 0;
}
static void noterpmsg_ns_unbind(FAR struct rpmsg_endpoint *ept)
{
FAR struct noterpmsg_server_s *srv = ept->priv;
rpmsg_destroy_ept(ept);
kmm_free(srv);
}
static bool noterpmsg_ns_match(FAR struct rpmsg_device *rdev,
FAR void *priv, FAR const char *name,
uint32_t dest)
{
return !strcmp(name, NOTERPMSG_EPT_NAME);
}
static void noterpmsg_ns_bind(FAR struct rpmsg_device *rdev,
FAR void *priv, FAR const char *name,
uint32_t dest)
{
FAR struct noterpmsg_server_s *srv;
int ret;
srv = kmm_zalloc(sizeof(struct noterpmsg_server_s));
if (srv == NULL)
{
return;
}
srv->ept.priv = srv;
ret = rpmsg_create_ept(&srv->ept, rdev, NOTERPMSG_EPT_NAME,
RPMSG_ADDR_ANY, dest,
noterpmsg_ept_cb, noterpmsg_ns_unbind);
if (ret < 0)
{
kmm_free(srv);
}
}
* Public Functions
****************************************************************************/
* Name: noterpmsg_server_init
*
* Description:
* Register a rmpsg channel to note.
*
* Input Parameters:
* None.
*
* Returned Value:
* Zero on success. A negated errno value is returned on a failure.
*
****************************************************************************/
int noterpmsg_server_init(void)
{
return rpmsg_register_callback(NULL,
NULL,
NULL,
noterpmsg_ns_match,
noterpmsg_ns_bind);
}