ACKme / WiConnect

Host library for controlling a WiConnect enabled Wi-Fi module.

Dependents:   wiconnect-ota_example wiconnect-web_setup_example wiconnect-test-console wiconnect-tcp_server_example ... more

api/types/ReaderFunc.h@29:b6af04b77a56, 2014-10-27 (annotated)

Committer:
dan_ackme
Date:
Mon Oct 27 13:42:26 2014 -0700
Revision:
29:b6af04b77a56
refactored library layout

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dan_ackme 29:b6af04b77a56 1 /**
dan_ackme 29:b6af04b77a56 2 * ACKme WiConnect Host Library is licensed under the BSD licence:
dan_ackme 29:b6af04b77a56 3 *
dan_ackme 29:b6af04b77a56 4 * Copyright (c)2014 ACKme Networks.
dan_ackme 29:b6af04b77a56 5 * All rights reserved.
dan_ackme 29:b6af04b77a56 6 *
dan_ackme 29:b6af04b77a56 7 * Redistribution and use in source and binary forms, with or without modification,
dan_ackme 29:b6af04b77a56 8 * are permitted provided that the following conditions are met:
dan_ackme 29:b6af04b77a56 9 *
dan_ackme 29:b6af04b77a56 10 * 1. Redistributions of source code must retain the above copyright notice,
dan_ackme 29:b6af04b77a56 11 * this list of conditions and the following disclaimer.
dan_ackme 29:b6af04b77a56 12 * 2. Redistributions in binary form must reproduce the above copyright notice,
dan_ackme 29:b6af04b77a56 13 * this list of conditions and the following disclaimer in the documentation
dan_ackme 29:b6af04b77a56 14 * and/or other materials provided with the distribution.
dan_ackme 29:b6af04b77a56 15 * 3. The name of the author may not be used to endorse or promote products
dan_ackme 29:b6af04b77a56 16 * derived from this software without specific prior written permission.
dan_ackme 29:b6af04b77a56 17 *
dan_ackme 29:b6af04b77a56 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS AND ANY EXPRESS OR IMPLIED
dan_ackme 29:b6af04b77a56 19 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
dan_ackme 29:b6af04b77a56 20 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
dan_ackme 29:b6af04b77a56 21 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
dan_ackme 29:b6af04b77a56 22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
dan_ackme 29:b6af04b77a56 23 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
dan_ackme 29:b6af04b77a56 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
dan_ackme 29:b6af04b77a56 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
dan_ackme 29:b6af04b77a56 26 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
dan_ackme 29:b6af04b77a56 27 * OF SUCH DAMAGE.
dan_ackme 29:b6af04b77a56 28 */
dan_ackme 29:b6af04b77a56 29 #pragma once
dan_ackme 29:b6af04b77a56 30
dan_ackme 29:b6af04b77a56 31 #include "api/WiconnectTypes.h"
dan_ackme 29:b6af04b77a56 32 #include "FunctionPointer.h"
dan_ackme 29:b6af04b77a56 33
dan_ackme 29:b6af04b77a56 34
dan_ackme 29:b6af04b77a56 35 namespace wiconnect
dan_ackme 29:b6af04b77a56 36 {
dan_ackme 29:b6af04b77a56 37
dan_ackme 29:b6af04b77a56 38 typedef WiconnectResult (*_ReaderFunc)(void *user, void *data, int maxReadSize, int *bytesRead);
dan_ackme 29:b6af04b77a56 39
dan_ackme 29:b6af04b77a56 40 /**
dan_ackme 29:b6af04b77a56 41 * @ingroup api_core_types
dan_ackme 29:b6af04b77a56 42 *
dan_ackme 29:b6af04b77a56 43 * @brief Generic data reading callback function.
dan_ackme 29:b6af04b77a56 44 */
dan_ackme 29:b6af04b77a56 45 class ReaderFunc : public FunctionPointer
dan_ackme 29:b6af04b77a56 46 {
dan_ackme 29:b6af04b77a56 47 public:
dan_ackme 29:b6af04b77a56 48
dan_ackme 29:b6af04b77a56 49 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 50 ReaderFunc(_ReaderFunc func = 0)
dan_ackme 29:b6af04b77a56 51 {
dan_ackme 29:b6af04b77a56 52 _function = (void*)func;
dan_ackme 29:b6af04b77a56 53 _membercaller = NULL;
dan_ackme 29:b6af04b77a56 54 _object = NULL;
dan_ackme 29:b6af04b77a56 55 }
dan_ackme 29:b6af04b77a56 56
dan_ackme 29:b6af04b77a56 57 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 58 template<typename T>
dan_ackme 29:b6af04b77a56 59 ReaderFunc(T *object, WiconnectResult (T::*member)(void *user, void *data, int maxReadSize, int *bytesRead))
dan_ackme 29:b6af04b77a56 60 {
dan_ackme 29:b6af04b77a56 61 _object = static_cast<void*>(object);
dan_ackme 29:b6af04b77a56 62 memcpy(_member, (char*)&member, sizeof(member));
dan_ackme 29:b6af04b77a56 63 _membercaller = (void*)&ReaderFunc::membercaller<T>;
dan_ackme 29:b6af04b77a56 64 _function = 0;
dan_ackme 29:b6af04b77a56 65 }
dan_ackme 29:b6af04b77a56 66
dan_ackme 29:b6af04b77a56 67 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 68 WiconnectResult call(void *user, void *data, int maxReadSize, int *bytesRead)
dan_ackme 29:b6af04b77a56 69 {
dan_ackme 29:b6af04b77a56 70 if (_function)
dan_ackme 29:b6af04b77a56 71 {
dan_ackme 29:b6af04b77a56 72 return ((_ReaderFunc)_function)(user, data, maxReadSize, bytesRead);
dan_ackme 29:b6af04b77a56 73 }
dan_ackme 29:b6af04b77a56 74 else if (_object)
dan_ackme 29:b6af04b77a56 75 {
dan_ackme 29:b6af04b77a56 76 typedef WiconnectResult (*membercallerFunc)(void*, char*, void *user, void *data, int maxReadSize, int *bytesRead);
dan_ackme 29:b6af04b77a56 77 return ((membercallerFunc)_membercaller)(_object, _member, user, data, maxReadSize, bytesRead);
dan_ackme 29:b6af04b77a56 78 }
dan_ackme 29:b6af04b77a56 79 else
dan_ackme 29:b6af04b77a56 80 {
dan_ackme 29:b6af04b77a56 81 return WICONNECT_ERROR;
dan_ackme 29:b6af04b77a56 82 }
dan_ackme 29:b6af04b77a56 83 }
dan_ackme 29:b6af04b77a56 84
dan_ackme 29:b6af04b77a56 85 private:
dan_ackme 29:b6af04b77a56 86
dan_ackme 29:b6af04b77a56 87 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 88 template<typename T>
dan_ackme 29:b6af04b77a56 89 static WiconnectResult membercaller(void *object, char *member, void *user, void *data, int maxReadSize, int *bytesRead)
dan_ackme 29:b6af04b77a56 90 {
dan_ackme 29:b6af04b77a56 91 T* o = static_cast<T*>(object);
dan_ackme 29:b6af04b77a56 92 WiconnectResult (T::*m)(void *user, void *data, int maxReadSize, int *bytesRead);
dan_ackme 29:b6af04b77a56 93 memcpy((char*)&m, member, sizeof(m));
dan_ackme 29:b6af04b77a56 94 return (o->*m)(user, data, maxReadSize, bytesRead);
dan_ackme 29:b6af04b77a56 95 }
dan_ackme 29:b6af04b77a56 96 };
dan_ackme 29:b6af04b77a56 97
dan_ackme 29:b6af04b77a56 98 }