88 lines
2.2 KiB
C
88 lines
2.2 KiB
C
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/**
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* \file
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* <!--
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* This file is part of BeRTOS.
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*
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* Bertos 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 2 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, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* As a special exception, you may use this file as part of a free software
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* library without restriction. Specifically, if other files instantiate
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* templates or use macros or inline functions from this file, or you compile
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* this file and link it with other files to produce an executable, this
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* file does not by itself cause the resulting executable to be covered by
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* the GNU General Public License. This exception does not however
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* invalidate any other reasons why the executable file might be covered by
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* the GNU General Public License.
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*
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* Copyright 2003,2004 Develer S.r.l. (http://www.develer.com/)
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* Copyright 1999 Bernie Innocenti <bernie@codewiz.org>
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*
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* -->
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*
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* \brief REVERSE macro test.
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*
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* \author Francesco Sacchi <batt@develer.com>
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*/
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#include <cfg/macros.h>
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#include <cfg/debug.h>
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#include <cfg/test.h>
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/* Silent compiler warning */
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int reverse_testSetup(void);
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int reverse_testRun(void);
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int reverse_testTearDown(void);
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int reverse_testSetup(void)
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{
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kdbg_init();
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return 0;
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}
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int reverse_testTearDown(void)
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{
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return 0;
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}
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/**
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* Naive reverse implementation.
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*/
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static uint8_t reverse(uint8_t b)
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{
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uint8_t r = 0;
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for (int i = 0; i < 8; i++)
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{
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r <<= 1;
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r |= (b & BV(i)) ? 1 : 0;
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}
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return r;
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}
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int reverse_testRun(void)
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{
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for (int i = 0; i < 256; i++)
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{
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kprintf("i [%02X], REVERSE(i) [%02X], reverse(i) [%02X]\n", i, REVERSE_UINT8(i), reverse(i));
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ASSERT(reverse(i) == REVERSE_UINT8(i));
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}
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return 0;
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}
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TEST_MAIN(reverse);
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