Steve Kim
mbed library sources(for async_print)
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mbed-src
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mbed official
api/CircularBuffer.h@566:85de60b2bbaf, 2015-06-15 (annotated)
- Committer:
- mbed_official
- Date:
- Mon Jun 15 13:15:08 2015 +0100
- Revision:
- 566:85de60b2bbaf
- Parent:
- 561:f26bb522183d
Synchronized with git revision bf69fa1cfc0d4d59173af0a2d235c2fbc179e45c
Full URL: https://github.com/mbedmicro/mbed/commit/bf69fa1cfc0d4d59173af0a2d235c2fbc179e45c/
commit c4bf11cb6a0f36a1aca90cce128d7a8292df5bda
Merge: 0d58363 77a973c
Author: Mihail Stoyanov <wm@smode.org>
Date: Mon Jun 15 14:41:28 2015 +0300
Merge branch 'master' of https://github.com/mbedmicro/mbed
Conflicts:
workspace_tools/targets.py
commit 0d58363887d11952b26dcefa3229a9a1457b155c
Author: Mihail Stoyanov <wm@smode.org>
Date: Tue Jun 9 16:17:27 2015 +0300
Added Nordic license for the soft device
commit d504a3b58af390c779cb7383df2223d0a500f70a
Merge: 2c5aab7 8902229
Author: Mihail Stoyanov <wm@smode.org>
Date: Tue Jun 9 16:14:47 2015 +0300
Merge branch 'master' of https://github.com/mbedmicro/mbed
commit 2c5aab74eba507d184b74166da059d4100841ff7
Author: Mihail Stoyanov <wm@smode.org>
Date: Wed Jun 3 20:44:25 2015 +0300
Add base MCU support for Cortex-M4. Tidy up targets.py
commit 59b868a517163bf8984baa6c87ad42f86af18391
Merge: 0e23067 927c31a
Author: Mihail Stoyanov <wm@smode.org>
Date: Wed Jun 3 20:39:56 2015 +0300
Merge branch 'master' of https://github.com/mbedmicro/mbed
commit 0e23067718c61808401311bb594ed25fb4ed62c6
Author: Mihail Stoyanov <wm@smode.org>
Date: Tue Jun 2 16:08:08 2015 +0300
Add the Delta NNN40 platform to releases
commit 62a585dcda553b6e3b5c84e90a55b465f0894863
Merge: e1cd545 7a1d25e
Author: Mihail Stoyanov <wm@smode.org>
Date: Tue Jun 2 16:06:44 2015 +0300
Merge branch 'master' of https://github.com/mbedmicro/mbed
Conflicts:
workspace_tools/tests.py
commit e1cd545a9c92c4177f72da964d50d163dae5990f
Merge: 5c5e61f ffd5586
Author: Mihail Stoyanov <wm@smode.org>
Date: Thu May 7 13:07:48 2015 +0300
Merge branch 'master' of https://github.com/mbedmicro/mbed
commit 5c5e61f0ac38d91ad04738fd33af36f91452d984
Author: Mihail Stoyanov <wm@smode.org>
Date: Thu May 7 13:07:35 2015 +0300
Remove the Disco L053 from RTOS tests as it's not ready yet
commit e75efe346742fa22e124861fddf1b51c291f4219
Author: Mihail Stoyanov <wm@smode.org>
Date: Wed May 6 13:49:05 2015 +0300
Tidy up targets.py
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 |