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git.gir.st - tmk_keyboard.git/blob - tmk_core/tool/mbed/mbed-sdk/libraries/net/cellular/CellularModem/core/MtxCircBuffer.h
2 /* Copyright (C) 2012 mbed.org, MIT License
4 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
5 * and associated documentation files (the "Software"), to deal in the Software without restriction,
6 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
7 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
8 * furnished to do so, subject to the following conditions:
10 * The above copyright notice and this permission notice shall be included in all copies or
11 * substantial portions of the Software.
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
14 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
15 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
17 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20 #ifndef MTXCIRCBUFFER_H
21 #define MTXCIRCBUFFER_H
25 //Mutex protected circualr buffer
26 template<typename T
, int size
>
40 bool r
= (((write
+ 1) % size
) == read
);
48 bool r
= (read
== write
);
69 uint16_t a
= (write
>= read
) ? (write
- read
) : (size
- read
+ write
);
77 bool empty
= (read
== write
);
88 volatile uint16_t write
;
89 volatile uint16_t read
;