| commit | author | age | ||
| 8c7455 | 1 | // PingPong.h |
| JS | 2 | |
| 3 | ||
| 4 | /* | |
| 5 | Polhemus Tracker Terminal version 1.0.0 -- Terminal Interface to Polhemus Trackers: Fastrak, Patriot, and Liberty | |
| 6 | Copyright © 2009 Polhemus, Inc. | |
| 7 | ||
| 8 | This file is part of Tracker Terminal. | |
| 9 | ||
| 10 | Tracker Terminal is free software: you can redistribute it and/or modify | |
| 11 | it under the terms of the GNU General Public License as published by | |
| 12 | the Free Software Foundation, either version 3 of the License, or | |
| 13 | (at your option) any later version. | |
| 14 | ||
| 15 | Tracker Terminal is distributed in the hope that it will be useful, | |
| 16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 18 | GNU General Public License for more details. | |
| 19 | ||
| 20 | You should have received a copy of the GNU General Public License | |
| 21 | along with Tracker Terminal. If not, see <http://www.gnu.org/licenses/>. | |
| 22 | ||
| 23 | ************************************************************************* | |
| 24 | ||
| 25 | Tracker Terminal version 1.0.0 uses the libusb library version 1.0 | |
| 26 | libusb Copyright © 2007-2008 Daniel Drake <dsd@gentoo.org> | |
| 27 | libusb Copyright © 2001 Johannes Erdfelt <johannes@erdfelt.com> | |
| 28 | Licensed under the GNU Lesser General Public License version 2.1 or later. | |
| 29 | */ | |
| 30 | ||
| 31 | ||
| 32 | ||
| 33 | #ifndef PINGPONG_H_ | |
| 34 | #define PINGPONG_H_ | |
| 35 | ||
| 36 | #define NUMBUFS 100 | |
| 37 | #define BYTE unsigned char | |
| 38 | ||
| 39 | class PingPong { | |
| 40 | ||
| 41 | private: | |
| 42 | ||
| 43 | BYTE* m_buf[NUMBUFS]; | |
| 44 | int m_readInd; | |
| 45 | int m_writeInd; | |
| 46 | int m_size; | |
| 47 | int m_len[NUMBUFS]; | |
| 48 | pthread_mutex_t m_mutex; | |
| 49 | ||
| 50 | void IncrInd(int& ind); | |
| 51 | ||
| 52 | public: | |
| 53 | ||
| 54 | PingPong(); | |
| 55 | ~PingPong(); | |
| 56 | ||
| 57 | int InitPingPong(int); | |
| 58 | int GetBufferSize(); | |
| 59 | int IsDataAvail(); | |
| 60 | int ReadPP(BYTE*); | |
| 61 | int WritePP(BYTE*,int); | |
| 62 | void ClearBuffers(); | |
| 63 | }; | |
| 64 | ||
| 65 | ||
| 66 | ||
| 67 | ||
| 68 | ||
| 69 | #endif | |
