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AT_ControlPlane_netif.h
1 /*
2  * Copyright (c) 2019, Arm Limited and affiliates.
3  * SPDX-License-Identifier: Apache-2.0
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 
18 #include "CellularList.h"
20 #include "ATHandler.h"
21 #include "AT_CellularDevice.h"
22 
23 namespace mbed {
24 
26 public:
27  AT_ControlPlane_netif(ATHandler &at, int cid, AT_CellularDevice &device);
28  virtual ~AT_ControlPlane_netif();
29 
30 protected:
31 // ControlPlane_netif
32 
33  /* Sends data using +CSODCP specified in
34  * 3GPP 27007 10.1.43: Sending of originating data via the control plane
35  */
36  virtual nsapi_size_or_error_t send(const void *cpdata, nsapi_size_t cpdata_length);
37 
38  /* Receives data using +CRTDCP specified in
39  * 3GPP 27007 10.1.44: Reporting of terminating data via the control plane
40  */
41  virtual nsapi_size_or_error_t recv(void *cpdata, nsapi_size_t cpdata_length);
42 
43  virtual void data_received();
44  virtual void attach(void (*callback)(void *), void *data);
45 
46  // Id of the PDP context that enables the control plane data connection
47  int _cid;
48 
49 private:
50  struct packet_t {
51  uint8_t *data;
52  nsapi_size_t data_len;
53  packet_t *next;
54  };
55  CellularList<packet_t> _packet_list;
56  void (*_cb)(void *);
57  void *_data;
58  // Called on receiving URC: +CRTDCP
59  void urc_cp_recv();
60 
61 protected:
62  ATHandler &_at;
63  AT_CellularDevice &_device;
64 };
65 
66 } //mbed namespace
Implements support for data transfer using Control Plane CIoT EPS optimization specified in 3GPP 23...
virtual nsapi_size_or_error_t recv(void *cpdata, nsapi_size_t cpdata_length)
Receive data over cellular control plane.
Implements support for data transfer using Control Plane CIoT EPS optimization.
virtual nsapi_size_or_error_t send(const void *cpdata, nsapi_size_t cpdata_length)
Send data over cellular control plane.
Callback< R(ArgTs...)> callback(R(*func)(ArgTs...)=nullptr) noexcept
Create a callback class with type inferred from the arguments.
Definition: Callback.h:678
signed int nsapi_size_or_error_t
Type used to represent either a size or error passed through sockets.
Definition: nsapi_types.h:106
virtual void data_received()
Receives data from the control plane PDP context.
Class AT_CellularDevice.
unsigned int nsapi_size_t
Type used to represent the size of data passed through sockets.
Definition: nsapi_types.h:99
Definition: ATHandler.h:46
Class for sending AT commands and parsing AT responses.
Definition: ATHandler.h:70
virtual void attach(void(*callback)(void *), void *data)
Register a callback on state change of the socket.
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