1 /* 2 * Copyright 2018-2020 NXP 3 * All rights reserved. 4 * 5 * SPDX-License-Identifier: BSD-3-Clause 6 * 7 */ 8 9 #ifndef FSL_FLASH_UTILITIES_H_ 10 #define FSL_FLASH_UTILITIES_H_ 11 12 /******************************************************************************* 13 * Definitions 14 ******************************************************************************/ 15 16 /*! @brief Constructs the version number for drivers. */ 17 #if !defined(MAKE_VERSION) 18 #define MAKE_VERSION(major, minor, bugfix) (((major) << 16) | ((minor) << 8) | (bugfix)) 19 #endif 20 21 /*! @brief Constructs a status code value from a group and a code number. */ 22 #if !defined(MAKE_STATUS) 23 #define MAKE_STATUS(group, code) ((((group)*100) + (code))) 24 #endif 25 26 /*! @brief Constructs the four character code for the Flash driver API key. */ 27 #if !defined(FOUR_CHAR_CODE) 28 #define FOUR_CHAR_CODE(a, b, c, d) (((d) << 24) | ((c) << 16) | ((b) << 8) | ((a))) 29 #endif 30 31 /*! @brief Alignment(down) utility. */ 32 #if !defined(ALIGN_DOWN) 33 #define ALIGN_DOWN(x, a) (((uint32_t)(x)) & ~((uint32_t)(a)-1u)) 34 #endif 35 36 /*! @brief Alignment(up) utility. */ 37 #if !defined(ALIGN_UP) 38 #define ALIGN_UP(x, a) ALIGN_DOWN((uint32_t)(x) + (uint32_t)(a)-1u, a) 39 #endif 40 41 /*! @brief bytes2word utility. */ 42 #define B1P4(b) (((uint32_t)(b)&0xFFU) << 24) 43 #define B1P3(b) (((uint32_t)(b)&0xFFU) << 16) 44 #define B1P2(b) (((uint32_t)(b)&0xFFU) << 8) 45 #define B1P1(b) ((uint32_t)(b)&0xFFU) 46 #define B2P3(b) (((uint32_t)(b)&0xFFFFU) << 16) 47 #define B2P2(b) (((uint32_t)(b)&0xFFFFU) << 8) 48 #define B2P1(b) ((uint32_t)(b)&0xFFFFU) 49 #define B3P2(b) (((uint32_t)(b)&0xFFFFFFU) << 8) 50 #define B3P1(b) ((uint32_t)(b)&0xFFFFFFU) 51 52 #define BYTE2WORD_1_3(x, y) (B1P4(x) | B3P1(y)) 53 #define BYTE2WORD_2_2(x, y) (B2P3(x) | B2P1(y)) 54 #define BYTE2WORD_3_1(x, y) (B3P2(x) | B1P1(y)) 55 #define BYTE2WORD_1_1_2(x, y, z) (B1P4(x) | B1P3(y) | B2P1(z)) 56 #define BYTE2WORD_1_2_1(x, y, z) (B1P4(x) | B2P2(y) | B1P1(z)) 57 #define BYTE2WORD_2_1_1(x, y, z) (B2P3(x) | B1P2(y) | B1P1(z)) 58 #define BYTE2WORD_1_1_1_1(x, y, z, w) (B1P4(x) | B1P3(y) | B1P2(z) | B1P1(w)) 59 60 #endif /* FSL_FLASH_UTILITIES_H_ */ 61
