versione corretta

Dependents:   DISCO_L475VG_IOT01-Sensors-BSP

Committer:
group-Farnell24-IOT-Team
Date:
Tue Aug 21 08:34:28 2018 +0000
Revision:
0:766454e296c3
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
group-Farnell24-IOT-Team 0:766454e296c3 1
group-Farnell24-IOT-Team 0:766454e296c3 2 /**
group-Farnell24-IOT-Team 0:766454e296c3 3 * @file Buffer.cpp
group-Farnell24-IOT-Team 0:766454e296c3 4 * @brief Software Buffer - Templated Ring Buffer for most data types
group-Farnell24-IOT-Team 0:766454e296c3 5 * @author sam grove
group-Farnell24-IOT-Team 0:766454e296c3 6 * @version 1.0
group-Farnell24-IOT-Team 0:766454e296c3 7 * @see
group-Farnell24-IOT-Team 0:766454e296c3 8 *
group-Farnell24-IOT-Team 0:766454e296c3 9 * Copyright (c) 2013
group-Farnell24-IOT-Team 0:766454e296c3 10 *
group-Farnell24-IOT-Team 0:766454e296c3 11 * Licensed under the Apache License, Version 2.0 (the "License");
group-Farnell24-IOT-Team 0:766454e296c3 12 * you may not use this file except in compliance with the License.
group-Farnell24-IOT-Team 0:766454e296c3 13 * You may obtain a copy of the License at
group-Farnell24-IOT-Team 0:766454e296c3 14 *
group-Farnell24-IOT-Team 0:766454e296c3 15 * http://www.apache.org/licenses/LICENSE-2.0
group-Farnell24-IOT-Team 0:766454e296c3 16 *
group-Farnell24-IOT-Team 0:766454e296c3 17 * Unless required by applicable law or agreed to in writing, software
group-Farnell24-IOT-Team 0:766454e296c3 18 * distributed under the License is distributed on an "AS IS" BASIS,
group-Farnell24-IOT-Team 0:766454e296c3 19 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
group-Farnell24-IOT-Team 0:766454e296c3 20 * See the License for the specific language governing permissions and
group-Farnell24-IOT-Team 0:766454e296c3 21 * limitations under the License.
group-Farnell24-IOT-Team 0:766454e296c3 22 */
group-Farnell24-IOT-Team 0:766454e296c3 23
group-Farnell24-IOT-Team 0:766454e296c3 24 #include "MyBuffer.h"
group-Farnell24-IOT-Team 0:766454e296c3 25
group-Farnell24-IOT-Team 0:766454e296c3 26 template <class T>
group-Farnell24-IOT-Team 0:766454e296c3 27 MyBuffer<T>::MyBuffer(uint32_t size)
group-Farnell24-IOT-Team 0:766454e296c3 28 {
group-Farnell24-IOT-Team 0:766454e296c3 29 _buf = new T [size];
group-Farnell24-IOT-Team 0:766454e296c3 30 _size = size;
group-Farnell24-IOT-Team 0:766454e296c3 31 clear();
group-Farnell24-IOT-Team 0:766454e296c3 32
group-Farnell24-IOT-Team 0:766454e296c3 33 return;
group-Farnell24-IOT-Team 0:766454e296c3 34 }
group-Farnell24-IOT-Team 0:766454e296c3 35
group-Farnell24-IOT-Team 0:766454e296c3 36 template <class T>
group-Farnell24-IOT-Team 0:766454e296c3 37 MyBuffer<T>::~MyBuffer()
group-Farnell24-IOT-Team 0:766454e296c3 38 {
group-Farnell24-IOT-Team 0:766454e296c3 39 delete [] _buf;
group-Farnell24-IOT-Team 0:766454e296c3 40
group-Farnell24-IOT-Team 0:766454e296c3 41 return;
group-Farnell24-IOT-Team 0:766454e296c3 42 }
group-Farnell24-IOT-Team 0:766454e296c3 43
group-Farnell24-IOT-Team 0:766454e296c3 44 template <class T>
group-Farnell24-IOT-Team 0:766454e296c3 45 uint32_t MyBuffer<T>::getSize()
group-Farnell24-IOT-Team 0:766454e296c3 46 {
group-Farnell24-IOT-Team 0:766454e296c3 47 return this->_size;
group-Farnell24-IOT-Team 0:766454e296c3 48 }
group-Farnell24-IOT-Team 0:766454e296c3 49
group-Farnell24-IOT-Team 0:766454e296c3 50 template <class T>
group-Farnell24-IOT-Team 0:766454e296c3 51 uint32_t MyBuffer<T>::getNbAvailable()
group-Farnell24-IOT-Team 0:766454e296c3 52 {
group-Farnell24-IOT-Team 0:766454e296c3 53 if ( _wloc >= _rloc) return (_wloc - _rloc);
group-Farnell24-IOT-Team 0:766454e296c3 54 else return (_size - _rloc + _wloc);
group-Farnell24-IOT-Team 0:766454e296c3 55 }
group-Farnell24-IOT-Team 0:766454e296c3 56
group-Farnell24-IOT-Team 0:766454e296c3 57 template <class T>
group-Farnell24-IOT-Team 0:766454e296c3 58 void MyBuffer<T>::clear(void)
group-Farnell24-IOT-Team 0:766454e296c3 59 {
group-Farnell24-IOT-Team 0:766454e296c3 60 _wloc = 0;
group-Farnell24-IOT-Team 0:766454e296c3 61 _rloc = 0;
group-Farnell24-IOT-Team 0:766454e296c3 62 memset(_buf, 0, _size);
group-Farnell24-IOT-Team 0:766454e296c3 63
group-Farnell24-IOT-Team 0:766454e296c3 64 return;
group-Farnell24-IOT-Team 0:766454e296c3 65 }
group-Farnell24-IOT-Team 0:766454e296c3 66
group-Farnell24-IOT-Team 0:766454e296c3 67 template <class T>
group-Farnell24-IOT-Team 0:766454e296c3 68 uint32_t MyBuffer<T>::peek(char c)
group-Farnell24-IOT-Team 0:766454e296c3 69 {
group-Farnell24-IOT-Team 0:766454e296c3 70 return 1;
group-Farnell24-IOT-Team 0:766454e296c3 71 }
group-Farnell24-IOT-Team 0:766454e296c3 72
group-Farnell24-IOT-Team 0:766454e296c3 73 // make the linker aware of some possible types
group-Farnell24-IOT-Team 0:766454e296c3 74 template class MyBuffer<uint8_t>;
group-Farnell24-IOT-Team 0:766454e296c3 75 template class MyBuffer<int8_t>;
group-Farnell24-IOT-Team 0:766454e296c3 76 template class MyBuffer<uint16_t>;
group-Farnell24-IOT-Team 0:766454e296c3 77 template class MyBuffer<int16_t>;
group-Farnell24-IOT-Team 0:766454e296c3 78 template class MyBuffer<uint32_t>;
group-Farnell24-IOT-Team 0:766454e296c3 79 template class MyBuffer<int32_t>;
group-Farnell24-IOT-Team 0:766454e296c3 80 template class MyBuffer<uint64_t>;
group-Farnell24-IOT-Team 0:766454e296c3 81 template class MyBuffer<int64_t>;
group-Farnell24-IOT-Team 0:766454e296c3 82 template class MyBuffer<char>;
group-Farnell24-IOT-Team 0:766454e296c3 83 template class MyBuffer<wchar_t>;