130 lines
4.1 KiB
C
130 lines
4.1 KiB
C
/****************************************************************************
|
|
* drivers/note/noterpmsg_server.c
|
|
*
|
|
* 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)
|
|
{
|
|
/* The client ensures that the packet sent is the correct note
|
|
* 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);
|
|
}
|