/* * @brief Generic memory tests * Various memory tests for testing external memory integrity. Includes * inverse address, walking bit, and pattern tests. * * @note * Copyright(C) NXP Semiconductors, 2012 * All rights reserved. * * @par * Software that is described herein is for illustrative purposes only * which provides customers with programming information regarding the * LPC products. This software is supplied "AS IS" without any warranties of * any kind, and NXP Semiconductors and its licensor disclaim any and * all warranties, express or implied, including all implied warranties of * merchantability, fitness for a particular purpose and non-infringement of * intellectual property rights. NXP Semiconductors assumes no responsibility * or liability for the use of the software, conveys no license or rights under any * patent, copyright, mask work right, or any other intellectual property rights in * or to any products. NXP Semiconductors reserves the right to make changes * in the software without notification. NXP Semiconductors also makes no * representation or warranty that such application will be suitable for the * specified use without further testing or modification. * * @par * Permission to use, copy, modify, and distribute this software and its * documentation is hereby granted, under NXP Semiconductors' and its * licensor's relevant copyrights in the software, without fee, provided that it * is used in conjunction with NXP Semiconductors microcontrollers. This * copyright, permission, and disclaimer notice must appear in all copies of * this code. */ #ifndef __MEM_TESTS_H_ #define __MEM_TESTS_H_ #include "lpc_types.h" /** @defgroup CHIP_Memory_Tests CHIP: Various RAM memory tests * @ingroup CHIP_Common * @{ */ /** * @brief Memory test address/size and result structure */ typedef struct { uint32_t *start_addr; /*!< Starting address for memory test */ uint32_t bytes; /*!< Size in bytes for memory test */ uint32_t *fail_addr; /*!< Failed address of test (returned only if failed) */ uint32_t is_val; /*!< Failed value of test (returned only if failed) */ uint32_t ex_val; /*!< Expected value of test (returned only if failed) */ } MEM_TEST_SETUP_T; /** * @brief Walking 0 memory test * @param pMemSetup : Memory test setup (and returned results) * @return true if the test passed, or false on failure * Writes a shifting 0 bit pattern to the entire memory range and * verifies the result after all memory locations are written */ bool mem_test_walking0(MEM_TEST_SETUP_T *pMemSetup); /** * @brief Walking 1 memory test * @param pMemSetup : Memory test setup (and returned results) * @return true if the test passed, or false on failure * Writes a shifting 1 bit pattern to the entire memory range and * verifies the result after all memory locations are written */ bool mem_test_walking1(MEM_TEST_SETUP_T *pMemSetup); /** * @brief Address memory test * @param pMemSetup : Memory test setup (and returned results) * @return true if the test passed, or false on failure * Writes the address to each memory location and verifies the * result after all memory locations are written */ bool mem_test_address(MEM_TEST_SETUP_T *pMemSetup); /** * @brief Inverse address memory test * @param pMemSetup : Memory test setup (and returned results) * @return true if the test passed, or false on failure * Writes the inverse address to each memory location and verifies the * result after all memory locations are written */ bool mem_test_invaddress(MEM_TEST_SETUP_T *pMemSetup); /** * @brief Pattern memory test * @param pMemSetup : Memory test setup (and returned results) * @return true if the test passed, or false on failure * Writes the an alternating 0x55/0xAA pattern to each memory location * and verifies the result after all memory locations are written */ bool mem_test_pattern(MEM_TEST_SETUP_T *pMemSetup); /** * @brief Pattern memory test with seed and increment value * @param pMemSetup : Memory test setup (and returned results) * @param seed : Initial seed value for test * @param incr : Increment value for each memory location * @return true if the test passed, or false on failure * Writes the an alternating pattern to each memory location based on a * passed seedn and increment value and verifies the result after all * memory locations are written */ bool mem_test_pattern_seed(MEM_TEST_SETUP_T *pMemSetup, uint32_t seed, uint32_t incr); /** * @} */ #endif /* __MEM_TESTS_H_ */