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Dependents: Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more
Superseded
This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.
Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.
If you are looking for a stable and tested release, please import one of the official mbed library releases:
Import librarymbed
The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
api/CircularBuffer.h@606:12ecb532fd15, 2015-08-13 (annotated)
- Committer:
- mbed_official
- Date:
- Thu Aug 13 11:45:08 2015 +0100
- Revision:
- 606:12ecb532fd15
- Parent:
- 561:f26bb522183d
Synchronized with git revision bd9a1685058d09a17953431dba5541ef33b688bf
Full URL: https://github.com/mbedmicro/mbed/commit/bd9a1685058d09a17953431dba5541ef33b688bf/
KL46Z - Ensure the NVIC table gets copied to RAM even when it is not at 0x0000
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 525:c320967f86b9 | 1 | /* mbed Microcontroller Library |
mbed_official | 525:c320967f86b9 | 2 | * Copyright (c) 2015 ARM Limited |
mbed_official | 525:c320967f86b9 | 3 | * |
mbed_official | 525:c320967f86b9 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
mbed_official | 525:c320967f86b9 | 5 | * you may not use this file except in compliance with the License. |
mbed_official | 525:c320967f86b9 | 6 | * You may obtain a copy of the License at |
mbed_official | 525:c320967f86b9 | 7 | * |
mbed_official | 525:c320967f86b9 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
mbed_official | 525:c320967f86b9 | 9 | * |
mbed_official | 525:c320967f86b9 | 10 | * Unless required by applicable law or agreed to in writing, software |
mbed_official | 525:c320967f86b9 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
mbed_official | 525:c320967f86b9 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
mbed_official | 525:c320967f86b9 | 13 | * See the License for the specific language governing permissions and |
mbed_official | 525:c320967f86b9 | 14 | * limitations under the License. |
mbed_official | 525:c320967f86b9 | 15 | */ |
mbed_official | 525:c320967f86b9 | 16 | #ifndef MBED_CIRCULARBUFFER_H |
mbed_official | 525:c320967f86b9 | 17 | #define MBED_CIRCULARBUFFER_H |
mbed_official | 525:c320967f86b9 | 18 | |
mbed_official | 525:c320967f86b9 | 19 | namespace mbed { |
mbed_official | 525:c320967f86b9 | 20 | |
mbed_official | 525:c320967f86b9 | 21 | /** Templated Circular buffer class |
mbed_official | 525:c320967f86b9 | 22 | */ |
mbed_official | 525:c320967f86b9 | 23 | template<typename T, uint32_t BufferSize, typename CounterType = uint32_t> |
mbed_official | 525:c320967f86b9 | 24 | class CircularBuffer { |
mbed_official | 525:c320967f86b9 | 25 | public: |
mbed_official | 525:c320967f86b9 | 26 | CircularBuffer() : _head(0), _tail(0), _full(false) { |
mbed_official | 525:c320967f86b9 | 27 | } |
mbed_official | 525:c320967f86b9 | 28 | |
mbed_official | 525:c320967f86b9 | 29 | ~CircularBuffer() { |
mbed_official | 525:c320967f86b9 | 30 | } |
mbed_official | 525:c320967f86b9 | 31 | |
mbed_official | 525:c320967f86b9 | 32 | /** Push the transaction to the buffer. This overwrites the buffer if it's |
mbed_official | 525:c320967f86b9 | 33 | * full |
mbed_official | 525:c320967f86b9 | 34 | * |
mbed_official | 525:c320967f86b9 | 35 | * @param data Data to be pushed to the buffer |
mbed_official | 525:c320967f86b9 | 36 | */ |
mbed_official | 525:c320967f86b9 | 37 | void push(const T& data) { |
mbed_official | 525:c320967f86b9 | 38 | if (full()) { |
mbed_official | 525:c320967f86b9 | 39 | _tail++; |
mbed_official | 525:c320967f86b9 | 40 | _tail %= BufferSize; |
mbed_official | 525:c320967f86b9 | 41 | } |
mbed_official | 525:c320967f86b9 | 42 | _pool[_head++] = data; |
mbed_official | 525:c320967f86b9 | 43 | _head %= BufferSize; |
mbed_official | 525:c320967f86b9 | 44 | if (_head == _tail) { |
mbed_official | 525:c320967f86b9 | 45 | _full = true; |
mbed_official | 525:c320967f86b9 | 46 | } |
mbed_official | 525:c320967f86b9 | 47 | } |
mbed_official | 525:c320967f86b9 | 48 | |
mbed_official | 525:c320967f86b9 | 49 | /** Pop the transaction from the buffer |
mbed_official | 525:c320967f86b9 | 50 | * |
mbed_official | 525:c320967f86b9 | 51 | * @param data Data to be pushed to the buffer |
mbed_official | 525:c320967f86b9 | 52 | * @return True if the buffer is not empty and data contains a transaction, false otherwise |
mbed_official | 525:c320967f86b9 | 53 | */ |
mbed_official | 525:c320967f86b9 | 54 | bool pop(T& data) { |
mbed_official | 525:c320967f86b9 | 55 | if (!empty()) { |
mbed_official | 525:c320967f86b9 | 56 | data = _pool[_tail++]; |
mbed_official | 525:c320967f86b9 | 57 | _tail %= BufferSize; |
mbed_official | 525:c320967f86b9 | 58 | _full = false; |
mbed_official | 525:c320967f86b9 | 59 | return true; |
mbed_official | 525:c320967f86b9 | 60 | } |
mbed_official | 525:c320967f86b9 | 61 | return false; |
mbed_official | 525:c320967f86b9 | 62 | } |
mbed_official | 525:c320967f86b9 | 63 | |
mbed_official | 525:c320967f86b9 | 64 | /** Check if the buffer is empty |
mbed_official | 525:c320967f86b9 | 65 | * |
mbed_official | 525:c320967f86b9 | 66 | * @return True if the buffer is empty, false if not |
mbed_official | 525:c320967f86b9 | 67 | */ |
mbed_official | 525:c320967f86b9 | 68 | bool empty() { |
mbed_official | 525:c320967f86b9 | 69 | return (_head == _tail) && !_full; |
mbed_official | 525:c320967f86b9 | 70 | } |
mbed_official | 525:c320967f86b9 | 71 | |
mbed_official | 525:c320967f86b9 | 72 | /** Check if the buffer is full |
mbed_official | 525:c320967f86b9 | 73 | * |
mbed_official | 525:c320967f86b9 | 74 | * @return True if the buffer is full, false if not |
mbed_official | 525:c320967f86b9 | 75 | */ |
mbed_official | 525:c320967f86b9 | 76 | bool full() { |
mbed_official | 525:c320967f86b9 | 77 | return _full; |
mbed_official | 525:c320967f86b9 | 78 | } |
mbed_official | 525:c320967f86b9 | 79 | |
mbed_official | 525:c320967f86b9 | 80 | /** Reset the buffer |
mbed_official | 525:c320967f86b9 | 81 | * |
mbed_official | 525:c320967f86b9 | 82 | */ |
mbed_official | 525:c320967f86b9 | 83 | void reset() { |
mbed_official | 525:c320967f86b9 | 84 | _head = 0; |
mbed_official | 525:c320967f86b9 | 85 | _tail = 0; |
mbed_official | 525:c320967f86b9 | 86 | _full = false; |
mbed_official | 525:c320967f86b9 | 87 | } |
mbed_official | 525:c320967f86b9 | 88 | |
mbed_official | 525:c320967f86b9 | 89 | private: |
mbed_official | 525:c320967f86b9 | 90 | T _pool[BufferSize]; |
mbed_official | 561:f26bb522183d | 91 | volatile CounterType _head; |
mbed_official | 561:f26bb522183d | 92 | volatile CounterType _tail; |
mbed_official | 561:f26bb522183d | 93 | volatile bool _full; |
mbed_official | 525:c320967f86b9 | 94 | }; |
mbed_official | 525:c320967f86b9 | 95 | |
mbed_official | 525:c320967f86b9 | 96 | } |
mbed_official | 525:c320967f86b9 | 97 | |
mbed_official | 525:c320967f86b9 | 98 | #endif |