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149 lines
4.6 KiB
149 lines
4.6 KiB
/**************************************************************************** |
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* px4/sensors/test_gpio.c |
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* |
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* Copyright (C) 2012 PX4 Development Team. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* 3. Neither the name NuttX nor the names of its contributors may be |
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* used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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****************************************************************************/ |
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/**************************************************************************** |
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* Included Files |
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****************************************************************************/ |
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#include <nuttx/config.h> |
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#include <sys/types.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <unistd.h> |
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#include <fcntl.h> |
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#include <errno.h> |
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#include <debug.h> |
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#include <arch/board/board.h> |
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#include "tests.h" |
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#include <math.h> |
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#include <float.h> |
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/**************************************************************************** |
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* Pre-processor Definitions |
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****************************************************************************/ |
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/**************************************************************************** |
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* Private Types |
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****************************************************************************/ |
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/**************************************************************************** |
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* Private Function Prototypes |
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****************************************************************************/ |
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/**************************************************************************** |
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* Private Data |
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****************************************************************************/ |
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/**************************************************************************** |
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* Public Data |
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****************************************************************************/ |
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/**************************************************************************** |
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* Private Functions |
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****************************************************************************/ |
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/**************************************************************************** |
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* Public Functions |
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****************************************************************************/ |
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/**************************************************************************** |
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* Name: test_led |
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****************************************************************************/ |
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typedef union { |
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int32_t i; |
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int64_t l; |
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uint8_t b[8]; |
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} test_32_64_t; |
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int test_int(int argc, char *argv[]) |
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{ |
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int ret = 0; |
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printf("\n--- 64 BIT MATH TESTS ---\n"); |
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int64_t large = 354156329598; |
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int64_t calc = large * 5; |
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if (calc == 1770781647990) { |
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printf("\t success: 354156329598 * 5 == %lld\n", calc); |
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} else { |
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printf("\t FAIL: 354156329598 * 5 != %lld\n", calc); |
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ret = -1; |
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} |
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fflush(stdout); |
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printf("\n--- 32 BIT / 64 BIT MIXED MATH TESTS ---\n"); |
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int32_t small = 50; |
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int32_t large_int = 2147483647; // MAX INT value |
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uint64_t small_times_large = large_int * (uint64_t)small; |
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if (small_times_large == 107374182350) { |
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printf("\t success: 64bit calculation: 50 * 2147483647 (max int val) == %lld\n", small_times_large); |
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} else { |
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printf("\t FAIL: 50 * 2147483647 != %lld, 64bit cast might fail\n", small_times_large); |
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ret = -1; |
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} |
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fflush(stdout); |
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if (ret == 0) { |
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printf("\n SUCCESS: All float and double tests passed.\n"); |
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} else { |
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printf("\n FAIL: One or more tests failed.\n"); |
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} |
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printf("\n"); |
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return ret; |
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}
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