31 lines
1.1 KiB
C
31 lines
1.1 KiB
C
//
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// macros.h
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//
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// USPi - An USB driver for Raspberry Pi written in C
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// Copyright (C) 2014 R. Stange <rsta2@o2online.de>
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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#ifndef _uspi_macros_h
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#define _uspi_macros_h
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#define PACKED __attribute__ ((packed))
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#define ALIGN(n) __attribute__ ((aligned (n)))
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#define NOOPT __attribute__ ((optimize (0)))
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#define MAXOPT __attribute__ ((optimize (3)))
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// big endian (to be used for constants only)
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#define BE(value) ((((value) & 0xFF00) >> 8) | (((value) & 0x00FF) << 8))
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#endif
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