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| Rev | Author | Line No. | Line |
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| 2 | jlesech | 1 | /**************************************************************************//** |
| 2 | * \brief Bit manipulation library - API |
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| 3 | * \author Copyright (C) 2011 Julien Le Sech - www.idreammicro.com |
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| 4 | * \version 1.0 |
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| 5 | * \date 20110823 |
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| 6 | * |
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| 7 | * This file is part of the iDreamMicro library. |
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| 8 | * |
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| 9 | * This library is free software: you can redistribute it and/or modify it under |
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| 10 | * the terms of the GNU Lesser General Public License as published by the Free |
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| 11 | * Software Foundation, either version 3 of the License, or (at your option) any |
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| 12 | * later version. |
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| 13 | * |
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| 14 | * This library is distributed in the hope that it will be useful, but WITHOUT |
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| 15 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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| 16 | * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more |
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| 17 | * details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU Lesser General Public License |
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| 20 | * along with this program. If not, see http://www.gnu.org/licenses/ |
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| 21 | ******************************************************************************/ |
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| 22 | |||
| 23 | /**************************************************************************//** |
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| 24 | * \headerfile bits.h |
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| 25 | ******************************************************************************/ |
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| 26 | |||
| 27 | #ifndef H__IDREAMMICRO__USEFUL__BITS__H |
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| 28 | #define H__IDREAMMICRO__USEFUL__BITS__H |
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| 29 | |||
| 30 | #ifdef _cplusplus |
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| 31 | extern "C"{ |
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| 32 | #endif |
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| 33 | |||
| 34 | /****************************************************************************** |
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| 35 | * Public macro definitions. |
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| 36 | ******************************************************************************/ |
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| 37 | |||
| 38 | /**************************************************************************//** |
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| 39 | * \def BIT__SET |
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| 40 | * \brief Set a bit in a byte. |
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| 41 | ******************************************************************************/ |
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| 42 | #define BIT__SET(variable, bit) (variable |= (1 << bit)) |
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| 43 | |||
| 44 | /**************************************************************************//** |
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| 45 | * \def BIT__RST |
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| 46 | * \brief Reset a bit in a byte. |
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| 47 | ******************************************************************************/ |
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| 48 | #define BIT__RST(variable, bit) (variable &= ~(1 << bit)) |
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| 49 | |||
| 50 | /**************************************************************************//** |
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| 51 | * \def BIT__TGL |
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| 52 | * \brief Toggle a bit in a byte. |
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| 53 | ******************************************************************************/ |
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| 54 | #define BIT__TGL(variable, bit) (variable ^= (1 << bit)) |
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| 55 | |||
| 56 | /**************************************************************************//** |
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| 57 | * \def BIT__TST |
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| 58 | * \brief Test a bit in a byte. |
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| 59 | ******************************************************************************/ |
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| 60 | #define BIT__TST(variable, bit) (variable & (1 << bit)) |
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| 61 | |||
| 62 | #ifdef _cplusplus |
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| 63 | } |
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| 64 | #endif |
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| 65 | |||
| 66 | #endif /* H__IDREAMMICRO__USEFUL__BITS__H */ |
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| 67 |