MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/targets/TARGET_Atmel/TARGET_SAM_CortexM4/utils/compiler.h@46:b156ef445742, 2017-06-03 (annotated)

Committer:
sahilmgandhi
Date:
Sat Jun 03 00:22:44 2017 +0000
Revision:
46:b156ef445742
Parent:
18:6a4db94011d3 
Final code for internal battlebot competition.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sahilmgandhi 18:6a4db94011d3 1 /**
sahilmgandhi 18:6a4db94011d3 2 * \file
sahilmgandhi 18:6a4db94011d3 3 *
sahilmgandhi 18:6a4db94011d3 4 * \brief Commonly used includes, types and macros.
sahilmgandhi 18:6a4db94011d3 5 *
sahilmgandhi 18:6a4db94011d3 6 * Copyright (c) 2010-2015 Atmel Corporation. All rights reserved.
sahilmgandhi 18:6a4db94011d3 7 *
sahilmgandhi 18:6a4db94011d3 8 * \asf_license_start
sahilmgandhi 18:6a4db94011d3 9 *
sahilmgandhi 18:6a4db94011d3 10 * \page License
sahilmgandhi 18:6a4db94011d3 11 *
sahilmgandhi 18:6a4db94011d3 12 * Redistribution and use in source and binary forms, with or without
sahilmgandhi 18:6a4db94011d3 13 * modification, are permitted provided that the following conditions are met:
sahilmgandhi 18:6a4db94011d3 14 *
sahilmgandhi 18:6a4db94011d3 15 * 1. Redistributions of source code must retain the above copyright notice,
sahilmgandhi 18:6a4db94011d3 16 * this list of conditions and the following disclaimer.
sahilmgandhi 18:6a4db94011d3 17 *
sahilmgandhi 18:6a4db94011d3 18 * 2. Redistributions in binary form must reproduce the above copyright notice,
sahilmgandhi 18:6a4db94011d3 19 * this list of conditions and the following disclaimer in the documentation
sahilmgandhi 18:6a4db94011d3 20 * and/or other materials provided with the distribution.
sahilmgandhi 18:6a4db94011d3 21 *
sahilmgandhi 18:6a4db94011d3 22 * 3. The name of Atmel may not be used to endorse or promote products derived
sahilmgandhi 18:6a4db94011d3 23 * from this software without specific prior written permission.
sahilmgandhi 18:6a4db94011d3 24 *
sahilmgandhi 18:6a4db94011d3 25 * 4. This software may only be redistributed and used in connection with an
sahilmgandhi 18:6a4db94011d3 26 * Atmel microcontroller product.
sahilmgandhi 18:6a4db94011d3 27 *
sahilmgandhi 18:6a4db94011d3 28 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
sahilmgandhi 18:6a4db94011d3 29 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
sahilmgandhi 18:6a4db94011d3 30 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
sahilmgandhi 18:6a4db94011d3 31 * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
sahilmgandhi 18:6a4db94011d3 32 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
sahilmgandhi 18:6a4db94011d3 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
sahilmgandhi 18:6a4db94011d3 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sahilmgandhi 18:6a4db94011d3 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
sahilmgandhi 18:6a4db94011d3 36 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
sahilmgandhi 18:6a4db94011d3 37 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
sahilmgandhi 18:6a4db94011d3 38 * POSSIBILITY OF SUCH DAMAGE.
sahilmgandhi 18:6a4db94011d3 39 *
sahilmgandhi 18:6a4db94011d3 40 * \asf_license_stop
sahilmgandhi 18:6a4db94011d3 41 *
sahilmgandhi 18:6a4db94011d3 42 */
sahilmgandhi 18:6a4db94011d3 43 /*
sahilmgandhi 18:6a4db94011d3 44 * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
sahilmgandhi 18:6a4db94011d3 45 */
sahilmgandhi 18:6a4db94011d3 46
sahilmgandhi 18:6a4db94011d3 47 #ifndef UTILS_COMPILER_H
sahilmgandhi 18:6a4db94011d3 48 #define UTILS_COMPILER_H
sahilmgandhi 18:6a4db94011d3 49
sahilmgandhi 18:6a4db94011d3 50 /**
sahilmgandhi 18:6a4db94011d3 51 * \defgroup group_sam_utils Compiler abstraction layer and code utilities
sahilmgandhi 18:6a4db94011d3 52 *
sahilmgandhi 18:6a4db94011d3 53 * Compiler abstraction layer and code utilities for AT91SAM.
sahilmgandhi 18:6a4db94011d3 54 * This module provides various abstraction layers and utilities to make code compatible between different compilers.
sahilmgandhi 18:6a4db94011d3 55 *
sahilmgandhi 18:6a4db94011d3 56 * \{
sahilmgandhi 18:6a4db94011d3 57 */
sahilmgandhi 18:6a4db94011d3 58 #include <stddef.h>
sahilmgandhi 18:6a4db94011d3 59
sahilmgandhi 18:6a4db94011d3 60 #if (defined __ICCARM__)
sahilmgandhi 18:6a4db94011d3 61 # include <intrinsics.h>
sahilmgandhi 18:6a4db94011d3 62 #endif
sahilmgandhi 18:6a4db94011d3 63
sahilmgandhi 18:6a4db94011d3 64 #include <parts.h>
sahilmgandhi 18:6a4db94011d3 65 #include "preprocessor.h"
sahilmgandhi 18:6a4db94011d3 66
sahilmgandhi 18:6a4db94011d3 67 #include <io.h>
sahilmgandhi 18:6a4db94011d3 68
sahilmgandhi 18:6a4db94011d3 69 //_____ D E C L A R A T I O N S ____________________________________________
sahilmgandhi 18:6a4db94011d3 70
sahilmgandhi 18:6a4db94011d3 71 #ifndef __ASSEMBLY__ // Not defined for assembling.
sahilmgandhi 18:6a4db94011d3 72
sahilmgandhi 18:6a4db94011d3 73 #include <stdio.h>
sahilmgandhi 18:6a4db94011d3 74 #include <stdbool.h>
sahilmgandhi 18:6a4db94011d3 75 #include <stdint.h>
sahilmgandhi 18:6a4db94011d3 76 #include <stdlib.h>
sahilmgandhi 18:6a4db94011d3 77
sahilmgandhi 18:6a4db94011d3 78 #ifdef __ICCARM__
sahilmgandhi 18:6a4db94011d3 79 /*! \name Compiler Keywords
sahilmgandhi 18:6a4db94011d3 80 *
sahilmgandhi 18:6a4db94011d3 81 * Port of some keywords from GCC to IAR Embedded Workbench.
sahilmgandhi 18:6a4db94011d3 82 */
sahilmgandhi 18:6a4db94011d3 83 //! @{
sahilmgandhi 18:6a4db94011d3 84 #define __asm__ asm
sahilmgandhi 18:6a4db94011d3 85 #define __inline__ inline
sahilmgandhi 18:6a4db94011d3 86 #define __volatile__
sahilmgandhi 18:6a4db94011d3 87 //! @}
sahilmgandhi 18:6a4db94011d3 88
sahilmgandhi 18:6a4db94011d3 89 #endif
sahilmgandhi 18:6a4db94011d3 90
sahilmgandhi 18:6a4db94011d3 91 #define FUNC_PTR void *
sahilmgandhi 18:6a4db94011d3 92 /**
sahilmgandhi 18:6a4db94011d3 93 * \def UNUSED
sahilmgandhi 18:6a4db94011d3 94 * \brief Marking \a v as a unused parameter or value.
sahilmgandhi 18:6a4db94011d3 95 */
sahilmgandhi 18:6a4db94011d3 96 #define UNUSED(v) (void)(v)
sahilmgandhi 18:6a4db94011d3 97
sahilmgandhi 18:6a4db94011d3 98 /**
sahilmgandhi 18:6a4db94011d3 99 * \def unused
sahilmgandhi 18:6a4db94011d3 100 * \brief Marking \a v as a unused parameter or value.
sahilmgandhi 18:6a4db94011d3 101 */
sahilmgandhi 18:6a4db94011d3 102 #define unused(v) do { (void)(v); } while(0)
sahilmgandhi 18:6a4db94011d3 103
sahilmgandhi 18:6a4db94011d3 104 /**
sahilmgandhi 18:6a4db94011d3 105 * \def barrier
sahilmgandhi 18:6a4db94011d3 106 * \brief Memory barrier
sahilmgandhi 18:6a4db94011d3 107 */
sahilmgandhi 18:6a4db94011d3 108 #define barrier() __DMB()
sahilmgandhi 18:6a4db94011d3 109
sahilmgandhi 18:6a4db94011d3 110 /**
sahilmgandhi 18:6a4db94011d3 111 * \brief Emit the compiler pragma \a arg.
sahilmgandhi 18:6a4db94011d3 112 *
sahilmgandhi 18:6a4db94011d3 113 * \param arg The pragma directive as it would appear after \e \#pragma
sahilmgandhi 18:6a4db94011d3 114 * (i.e. not stringified).
sahilmgandhi 18:6a4db94011d3 115 */
sahilmgandhi 18:6a4db94011d3 116 #define COMPILER_PRAGMA(arg) _Pragma(#arg)
sahilmgandhi 18:6a4db94011d3 117
sahilmgandhi 18:6a4db94011d3 118 /**
sahilmgandhi 18:6a4db94011d3 119 * \def COMPILER_PACK_SET(alignment)
sahilmgandhi 18:6a4db94011d3 120 * \brief Set maximum alignment for subsequent struct and union
sahilmgandhi 18:6a4db94011d3 121 * definitions to \a alignment.
sahilmgandhi 18:6a4db94011d3 122 */
sahilmgandhi 18:6a4db94011d3 123 #define COMPILER_PACK_SET(alignment) COMPILER_PRAGMA(pack(alignment))
sahilmgandhi 18:6a4db94011d3 124
sahilmgandhi 18:6a4db94011d3 125 /**
sahilmgandhi 18:6a4db94011d3 126 * \def COMPILER_PACK_RESET()
sahilmgandhi 18:6a4db94011d3 127 * \brief Set default alignment for subsequent struct and union
sahilmgandhi 18:6a4db94011d3 128 * definitions.
sahilmgandhi 18:6a4db94011d3 129 */
sahilmgandhi 18:6a4db94011d3 130 #define COMPILER_PACK_RESET() COMPILER_PRAGMA(pack())
sahilmgandhi 18:6a4db94011d3 131
sahilmgandhi 18:6a4db94011d3 132
sahilmgandhi 18:6a4db94011d3 133 /**
sahilmgandhi 18:6a4db94011d3 134 * \brief Set aligned boundary.
sahilmgandhi 18:6a4db94011d3 135 */
sahilmgandhi 18:6a4db94011d3 136 #if (defined __GNUC__) || (defined __CC_ARM)
sahilmgandhi 18:6a4db94011d3 137 # define COMPILER_ALIGNED(a) __attribute__((__aligned__(a)))
sahilmgandhi 18:6a4db94011d3 138 #elif (defined __ICCARM__)
sahilmgandhi 18:6a4db94011d3 139 # define COMPILER_ALIGNED(a) COMPILER_PRAGMA(data_alignment = a)
sahilmgandhi 18:6a4db94011d3 140 #endif
sahilmgandhi 18:6a4db94011d3 141
sahilmgandhi 18:6a4db94011d3 142 /**
sahilmgandhi 18:6a4db94011d3 143 * \brief Set word-aligned boundary.
sahilmgandhi 18:6a4db94011d3 144 */
sahilmgandhi 18:6a4db94011d3 145 #if (defined __GNUC__) || defined(__CC_ARM)
sahilmgandhi 18:6a4db94011d3 146 #define COMPILER_WORD_ALIGNED __attribute__((__aligned__(4)))
sahilmgandhi 18:6a4db94011d3 147 #elif (defined __ICCARM__)
sahilmgandhi 18:6a4db94011d3 148 #define COMPILER_WORD_ALIGNED COMPILER_PRAGMA(data_alignment = 4)
sahilmgandhi 18:6a4db94011d3 149 #endif
sahilmgandhi 18:6a4db94011d3 150
sahilmgandhi 18:6a4db94011d3 151 /**
sahilmgandhi 18:6a4db94011d3 152 * \def __always_inline
sahilmgandhi 18:6a4db94011d3 153 * \brief The function should always be inlined.
sahilmgandhi 18:6a4db94011d3 154 *
sahilmgandhi 18:6a4db94011d3 155 * This annotation instructs the compiler to ignore its inlining
sahilmgandhi 18:6a4db94011d3 156 * heuristics and inline the function no matter how big it thinks it
sahilmgandhi 18:6a4db94011d3 157 * becomes.
sahilmgandhi 18:6a4db94011d3 158 */
sahilmgandhi 18:6a4db94011d3 159 #if defined(__CC_ARM)
sahilmgandhi 18:6a4db94011d3 160 # define __always_inline __forceinline
sahilmgandhi 18:6a4db94011d3 161 #elif (defined __GNUC__)
sahilmgandhi 18:6a4db94011d3 162 # define __always_inline inline __attribute__((__always_inline__))
sahilmgandhi 18:6a4db94011d3 163 #elif (defined __ICCARM__)
sahilmgandhi 18:6a4db94011d3 164 # define __always_inline _Pragma("inline=forced")
sahilmgandhi 18:6a4db94011d3 165 #endif
sahilmgandhi 18:6a4db94011d3 166
sahilmgandhi 18:6a4db94011d3 167 /**
sahilmgandhi 18:6a4db94011d3 168 * \def __no_inline
sahilmgandhi 18:6a4db94011d3 169 * \brief The function should not be inlined.
sahilmgandhi 18:6a4db94011d3 170 *
sahilmgandhi 18:6a4db94011d3 171 * This annotation instructs the compiler to ignore its inlining
sahilmgandhi 18:6a4db94011d3 172 * heuristics and not inline the function.
sahilmgandhi 18:6a4db94011d3 173 */
sahilmgandhi 18:6a4db94011d3 174 #if defined(__CC_ARM)
sahilmgandhi 18:6a4db94011d3 175 # define __no_inline __attribute__((noinline))
sahilmgandhi 18:6a4db94011d3 176 #elif (defined __GNUC__)
sahilmgandhi 18:6a4db94011d3 177 # define __no_inline __attribute__((__noinline__))
sahilmgandhi 18:6a4db94011d3 178 #elif (defined __ICCARM__)
sahilmgandhi 18:6a4db94011d3 179 # define __no_inline _Pragma("inline=never")
sahilmgandhi 18:6a4db94011d3 180 #endif
sahilmgandhi 18:6a4db94011d3 181
sahilmgandhi 18:6a4db94011d3 182 /*! \brief This macro is used to test fatal errors.
sahilmgandhi 18:6a4db94011d3 183 *
sahilmgandhi 18:6a4db94011d3 184 * The macro tests if the expression is false. If it is, a fatal error is
sahilmgandhi 18:6a4db94011d3 185 * detected and the application hangs up. If TEST_SUITE_DEFINE_ASSERT_MACRO
sahilmgandhi 18:6a4db94011d3 186 * is defined, a unit test version of the macro is used, to allow execution
sahilmgandhi 18:6a4db94011d3 187 * of further tests after a false expression.
sahilmgandhi 18:6a4db94011d3 188 *
sahilmgandhi 18:6a4db94011d3 189 * \param expr Expression to evaluate and supposed to be nonzero.
sahilmgandhi 18:6a4db94011d3 190 */
sahilmgandhi 18:6a4db94011d3 191 #if defined(_ASSERT_ENABLE_)
sahilmgandhi 18:6a4db94011d3 192 # if defined(TEST_SUITE_DEFINE_ASSERT_MACRO)
sahilmgandhi 18:6a4db94011d3 193 // Assert() is defined in unit_test/suite.h
sahilmgandhi 18:6a4db94011d3 194 # include "unit_test/suite.h"
sahilmgandhi 18:6a4db94011d3 195 # else
sahilmgandhi 18:6a4db94011d3 196 #undef TEST_SUITE_DEFINE_ASSERT_MACRO
sahilmgandhi 18:6a4db94011d3 197 # define Assert(expr) \
sahilmgandhi 18:6a4db94011d3 198 {\
sahilmgandhi 18:6a4db94011d3 199 if (!(expr)) while (true);\
sahilmgandhi 18:6a4db94011d3 200 }
sahilmgandhi 18:6a4db94011d3 201 # endif
sahilmgandhi 18:6a4db94011d3 202 #else
sahilmgandhi 18:6a4db94011d3 203 # define Assert(expr) ((void) 0)
sahilmgandhi 18:6a4db94011d3 204 #endif
sahilmgandhi 18:6a4db94011d3 205
sahilmgandhi 18:6a4db94011d3 206 /* Define WEAK attribute */
sahilmgandhi 18:6a4db94011d3 207 #if defined ( __CC_ARM ) /* Keil µVision 4 */
sahilmgandhi 18:6a4db94011d3 208 # define WEAK __attribute__ ((weak))
sahilmgandhi 18:6a4db94011d3 209 #elif defined ( __ICCARM__ ) /* IAR Ewarm 5.41+ */
sahilmgandhi 18:6a4db94011d3 210 # define WEAK __weak
sahilmgandhi 18:6a4db94011d3 211 #elif defined ( __GNUC__ ) /* GCC CS3 2009q3-68 */
sahilmgandhi 18:6a4db94011d3 212 # define WEAK __attribute__ ((weak))
sahilmgandhi 18:6a4db94011d3 213 #endif
sahilmgandhi 18:6a4db94011d3 214
sahilmgandhi 18:6a4db94011d3 215 /* Define NO_INIT attribute */
sahilmgandhi 18:6a4db94011d3 216 #if defined ( __CC_ARM )
sahilmgandhi 18:6a4db94011d3 217 # define NO_INIT __attribute__((zero_init))
sahilmgandhi 18:6a4db94011d3 218 #elif defined ( __ICCARM__ )
sahilmgandhi 18:6a4db94011d3 219 # define NO_INIT __no_init
sahilmgandhi 18:6a4db94011d3 220 #elif defined ( __GNUC__ )
sahilmgandhi 18:6a4db94011d3 221 # define NO_INIT __attribute__((section(".no_init")))
sahilmgandhi 18:6a4db94011d3 222 #endif
sahilmgandhi 18:6a4db94011d3 223
sahilmgandhi 18:6a4db94011d3 224 /* Define RAMFUNC attribute */
sahilmgandhi 18:6a4db94011d3 225 #if defined ( __CC_ARM ) /* Keil µVision 4 */
sahilmgandhi 18:6a4db94011d3 226 # define RAMFUNC __attribute__ ((section(".ramfunc")))
sahilmgandhi 18:6a4db94011d3 227 #elif defined ( __ICCARM__ ) /* IAR Ewarm 5.41+ */
sahilmgandhi 18:6a4db94011d3 228 # define RAMFUNC __ramfunc
sahilmgandhi 18:6a4db94011d3 229 #elif defined ( __GNUC__ ) /* GCC CS3 2009q3-68 */
sahilmgandhi 18:6a4db94011d3 230 # define RAMFUNC __attribute__ ((section(".ramfunc")))
sahilmgandhi 18:6a4db94011d3 231 #endif
sahilmgandhi 18:6a4db94011d3 232
sahilmgandhi 18:6a4db94011d3 233 /* Define OPTIMIZE_HIGH attribute */
sahilmgandhi 18:6a4db94011d3 234 #if defined ( __CC_ARM ) /* Keil µVision 4 */
sahilmgandhi 18:6a4db94011d3 235 # define OPTIMIZE_HIGH _Pragma("O3")
sahilmgandhi 18:6a4db94011d3 236 #elif defined ( __ICCARM__ ) /* IAR Ewarm 5.41+ */
sahilmgandhi 18:6a4db94011d3 237 # define OPTIMIZE_HIGH _Pragma("optimize=high")
sahilmgandhi 18:6a4db94011d3 238 #elif defined ( __GNUC__ ) /* GCC CS3 2009q3-68 */
sahilmgandhi 18:6a4db94011d3 239 # define OPTIMIZE_HIGH __attribute__((optimize(s)))
sahilmgandhi 18:6a4db94011d3 240 #endif
sahilmgandhi 18:6a4db94011d3 241
sahilmgandhi 18:6a4db94011d3 242 #include "interrupt.h"
sahilmgandhi 18:6a4db94011d3 243
sahilmgandhi 18:6a4db94011d3 244 /*! \name Usual Types
sahilmgandhi 18:6a4db94011d3 245 */
sahilmgandhi 18:6a4db94011d3 246 //! @{
sahilmgandhi 18:6a4db94011d3 247 typedef unsigned char Bool; //!< Boolean.
sahilmgandhi 18:6a4db94011d3 248 #ifndef __cplusplus
sahilmgandhi 18:6a4db94011d3 249 #if !defined(__bool_true_false_are_defined)
sahilmgandhi 18:6a4db94011d3 250 typedef unsigned char bool; //!< Boolean.
sahilmgandhi 18:6a4db94011d3 251 #endif
sahilmgandhi 18:6a4db94011d3 252 #endif
sahilmgandhi 18:6a4db94011d3 253 typedef int8_t S8 ; //!< 8-bit signed integer.
sahilmgandhi 18:6a4db94011d3 254 typedef uint8_t U8 ; //!< 8-bit unsigned integer.
sahilmgandhi 18:6a4db94011d3 255 typedef int16_t S16; //!< 16-bit signed integer.
sahilmgandhi 18:6a4db94011d3 256 typedef uint16_t U16; //!< 16-bit unsigned integer.
sahilmgandhi 18:6a4db94011d3 257 typedef uint16_t le16_t;
sahilmgandhi 18:6a4db94011d3 258 typedef uint16_t be16_t;
sahilmgandhi 18:6a4db94011d3 259 typedef int32_t S32; //!< 32-bit signed integer.
sahilmgandhi 18:6a4db94011d3 260 typedef uint32_t U32; //!< 32-bit unsigned integer.
sahilmgandhi 18:6a4db94011d3 261 typedef uint32_t le32_t;
sahilmgandhi 18:6a4db94011d3 262 typedef uint32_t be32_t;
sahilmgandhi 18:6a4db94011d3 263 typedef int64_t S64; //!< 64-bit signed integer.
sahilmgandhi 18:6a4db94011d3 264 typedef uint64_t U64; //!< 64-bit unsigned integer.
sahilmgandhi 18:6a4db94011d3 265 typedef float F32; //!< 32-bit floating-point number.
sahilmgandhi 18:6a4db94011d3 266 typedef double F64; //!< 64-bit floating-point number.
sahilmgandhi 18:6a4db94011d3 267 typedef uint32_t iram_size_t;
sahilmgandhi 18:6a4db94011d3 268 //! @}
sahilmgandhi 18:6a4db94011d3 269
sahilmgandhi 18:6a4db94011d3 270
sahilmgandhi 18:6a4db94011d3 271 /*! \name Status Types
sahilmgandhi 18:6a4db94011d3 272 */
sahilmgandhi 18:6a4db94011d3 273 //! @{
sahilmgandhi 18:6a4db94011d3 274 typedef bool Status_bool_t; //!< Boolean status.
sahilmgandhi 18:6a4db94011d3 275 typedef U8 Status_t; //!< 8-bit-coded status.
sahilmgandhi 18:6a4db94011d3 276 //! @}
sahilmgandhi 18:6a4db94011d3 277
sahilmgandhi 18:6a4db94011d3 278
sahilmgandhi 18:6a4db94011d3 279 /*! \name Aliasing Aggregate Types
sahilmgandhi 18:6a4db94011d3 280 */
sahilmgandhi 18:6a4db94011d3 281 //! @{
sahilmgandhi 18:6a4db94011d3 282
sahilmgandhi 18:6a4db94011d3 283 //! 16-bit union.
sahilmgandhi 18:6a4db94011d3 284 typedef union {
sahilmgandhi 18:6a4db94011d3 285 S16 s16 ;
sahilmgandhi 18:6a4db94011d3 286 U16 u16 ;
sahilmgandhi 18:6a4db94011d3 287 S8 s8 [2];
sahilmgandhi 18:6a4db94011d3 288 U8 u8 [2];
sahilmgandhi 18:6a4db94011d3 289 } Union16;
sahilmgandhi 18:6a4db94011d3 290
sahilmgandhi 18:6a4db94011d3 291 //! 32-bit union.
sahilmgandhi 18:6a4db94011d3 292 typedef union {
sahilmgandhi 18:6a4db94011d3 293 S32 s32 ;
sahilmgandhi 18:6a4db94011d3 294 U32 u32 ;
sahilmgandhi 18:6a4db94011d3 295 S16 s16[2];
sahilmgandhi 18:6a4db94011d3 296 U16 u16[2];
sahilmgandhi 18:6a4db94011d3 297 S8 s8 [4];
sahilmgandhi 18:6a4db94011d3 298 U8 u8 [4];
sahilmgandhi 18:6a4db94011d3 299 } Union32;
sahilmgandhi 18:6a4db94011d3 300
sahilmgandhi 18:6a4db94011d3 301 //! 64-bit union.
sahilmgandhi 18:6a4db94011d3 302 typedef union {
sahilmgandhi 18:6a4db94011d3 303 S64 s64 ;
sahilmgandhi 18:6a4db94011d3 304 U64 u64 ;
sahilmgandhi 18:6a4db94011d3 305 S32 s32[2];
sahilmgandhi 18:6a4db94011d3 306 U32 u32[2];
sahilmgandhi 18:6a4db94011d3 307 S16 s16[4];
sahilmgandhi 18:6a4db94011d3 308 U16 u16[4];
sahilmgandhi 18:6a4db94011d3 309 S8 s8 [8];
sahilmgandhi 18:6a4db94011d3 310 U8 u8 [8];
sahilmgandhi 18:6a4db94011d3 311 } Union64;
sahilmgandhi 18:6a4db94011d3 312
sahilmgandhi 18:6a4db94011d3 313 //! Union of pointers to 64-, 32-, 16- and 8-bit unsigned integers.
sahilmgandhi 18:6a4db94011d3 314 typedef union {
sahilmgandhi 18:6a4db94011d3 315 S64 *s64ptr;
sahilmgandhi 18:6a4db94011d3 316 U64 *u64ptr;
sahilmgandhi 18:6a4db94011d3 317 S32 *s32ptr;
sahilmgandhi 18:6a4db94011d3 318 U32 *u32ptr;
sahilmgandhi 18:6a4db94011d3 319 S16 *s16ptr;
sahilmgandhi 18:6a4db94011d3 320 U16 *u16ptr;
sahilmgandhi 18:6a4db94011d3 321 S8 *s8ptr ;
sahilmgandhi 18:6a4db94011d3 322 U8 *u8ptr ;
sahilmgandhi 18:6a4db94011d3 323 } UnionPtr;
sahilmgandhi 18:6a4db94011d3 324
sahilmgandhi 18:6a4db94011d3 325 //! Union of pointers to volatile 64-, 32-, 16- and 8-bit unsigned integers.
sahilmgandhi 18:6a4db94011d3 326 typedef union {
sahilmgandhi 18:6a4db94011d3 327 volatile S64 *s64ptr;
sahilmgandhi 18:6a4db94011d3 328 volatile U64 *u64ptr;
sahilmgandhi 18:6a4db94011d3 329 volatile S32 *s32ptr;
sahilmgandhi 18:6a4db94011d3 330 volatile U32 *u32ptr;
sahilmgandhi 18:6a4db94011d3 331 volatile S16 *s16ptr;
sahilmgandhi 18:6a4db94011d3 332 volatile U16 *u16ptr;
sahilmgandhi 18:6a4db94011d3 333 volatile S8 *s8ptr ;
sahilmgandhi 18:6a4db94011d3 334 volatile U8 *u8ptr ;
sahilmgandhi 18:6a4db94011d3 335 } UnionVPtr;
sahilmgandhi 18:6a4db94011d3 336
sahilmgandhi 18:6a4db94011d3 337 //! Union of pointers to constant 64-, 32-, 16- and 8-bit unsigned integers.
sahilmgandhi 18:6a4db94011d3 338 typedef union {
sahilmgandhi 18:6a4db94011d3 339 const S64 *s64ptr;
sahilmgandhi 18:6a4db94011d3 340 const U64 *u64ptr;
sahilmgandhi 18:6a4db94011d3 341 const S32 *s32ptr;
sahilmgandhi 18:6a4db94011d3 342 const U32 *u32ptr;
sahilmgandhi 18:6a4db94011d3 343 const S16 *s16ptr;
sahilmgandhi 18:6a4db94011d3 344 const U16 *u16ptr;
sahilmgandhi 18:6a4db94011d3 345 const S8 *s8ptr ;
sahilmgandhi 18:6a4db94011d3 346 const U8 *u8ptr ;
sahilmgandhi 18:6a4db94011d3 347 } UnionCPtr;
sahilmgandhi 18:6a4db94011d3 348
sahilmgandhi 18:6a4db94011d3 349 //! Union of pointers to constant volatile 64-, 32-, 16- and 8-bit unsigned integers.
sahilmgandhi 18:6a4db94011d3 350 typedef union {
sahilmgandhi 18:6a4db94011d3 351 const volatile S64 *s64ptr;
sahilmgandhi 18:6a4db94011d3 352 const volatile U64 *u64ptr;
sahilmgandhi 18:6a4db94011d3 353 const volatile S32 *s32ptr;
sahilmgandhi 18:6a4db94011d3 354 const volatile U32 *u32ptr;
sahilmgandhi 18:6a4db94011d3 355 const volatile S16 *s16ptr;
sahilmgandhi 18:6a4db94011d3 356 const volatile U16 *u16ptr;
sahilmgandhi 18:6a4db94011d3 357 const volatile S8 *s8ptr ;
sahilmgandhi 18:6a4db94011d3 358 const volatile U8 *u8ptr ;
sahilmgandhi 18:6a4db94011d3 359 } UnionCVPtr;
sahilmgandhi 18:6a4db94011d3 360
sahilmgandhi 18:6a4db94011d3 361 //! Structure of pointers to 64-, 32-, 16- and 8-bit unsigned integers.
sahilmgandhi 18:6a4db94011d3 362 typedef struct {
sahilmgandhi 18:6a4db94011d3 363 S64 *s64ptr;
sahilmgandhi 18:6a4db94011d3 364 U64 *u64ptr;
sahilmgandhi 18:6a4db94011d3 365 S32 *s32ptr;
sahilmgandhi 18:6a4db94011d3 366 U32 *u32ptr;
sahilmgandhi 18:6a4db94011d3 367 S16 *s16ptr;
sahilmgandhi 18:6a4db94011d3 368 U16 *u16ptr;
sahilmgandhi 18:6a4db94011d3 369 S8 *s8ptr ;
sahilmgandhi 18:6a4db94011d3 370 U8 *u8ptr ;
sahilmgandhi 18:6a4db94011d3 371 } StructPtr;
sahilmgandhi 18:6a4db94011d3 372
sahilmgandhi 18:6a4db94011d3 373 //! Structure of pointers to volatile 64-, 32-, 16- and 8-bit unsigned integers.
sahilmgandhi 18:6a4db94011d3 374 typedef struct {
sahilmgandhi 18:6a4db94011d3 375 volatile S64 *s64ptr;
sahilmgandhi 18:6a4db94011d3 376 volatile U64 *u64ptr;
sahilmgandhi 18:6a4db94011d3 377 volatile S32 *s32ptr;
sahilmgandhi 18:6a4db94011d3 378 volatile U32 *u32ptr;
sahilmgandhi 18:6a4db94011d3 379 volatile S16 *s16ptr;
sahilmgandhi 18:6a4db94011d3 380 volatile U16 *u16ptr;
sahilmgandhi 18:6a4db94011d3 381 volatile S8 *s8ptr ;
sahilmgandhi 18:6a4db94011d3 382 volatile U8 *u8ptr ;
sahilmgandhi 18:6a4db94011d3 383 } StructVPtr;
sahilmgandhi 18:6a4db94011d3 384
sahilmgandhi 18:6a4db94011d3 385 //! Structure of pointers to constant 64-, 32-, 16- and 8-bit unsigned integers.
sahilmgandhi 18:6a4db94011d3 386 typedef struct {
sahilmgandhi 18:6a4db94011d3 387 const S64 *s64ptr;
sahilmgandhi 18:6a4db94011d3 388 const U64 *u64ptr;
sahilmgandhi 18:6a4db94011d3 389 const S32 *s32ptr;
sahilmgandhi 18:6a4db94011d3 390 const U32 *u32ptr;
sahilmgandhi 18:6a4db94011d3 391 const S16 *s16ptr;
sahilmgandhi 18:6a4db94011d3 392 const U16 *u16ptr;
sahilmgandhi 18:6a4db94011d3 393 const S8 *s8ptr ;
sahilmgandhi 18:6a4db94011d3 394 const U8 *u8ptr ;
sahilmgandhi 18:6a4db94011d3 395 } StructCPtr;
sahilmgandhi 18:6a4db94011d3 396
sahilmgandhi 18:6a4db94011d3 397 //! Structure of pointers to constant volatile 64-, 32-, 16- and 8-bit unsigned integers.
sahilmgandhi 18:6a4db94011d3 398 typedef struct {
sahilmgandhi 18:6a4db94011d3 399 const volatile S64 *s64ptr;
sahilmgandhi 18:6a4db94011d3 400 const volatile U64 *u64ptr;
sahilmgandhi 18:6a4db94011d3 401 const volatile S32 *s32ptr;
sahilmgandhi 18:6a4db94011d3 402 const volatile U32 *u32ptr;
sahilmgandhi 18:6a4db94011d3 403 const volatile S16 *s16ptr;
sahilmgandhi 18:6a4db94011d3 404 const volatile U16 *u16ptr;
sahilmgandhi 18:6a4db94011d3 405 const volatile S8 *s8ptr ;
sahilmgandhi 18:6a4db94011d3 406 const volatile U8 *u8ptr ;
sahilmgandhi 18:6a4db94011d3 407 } StructCVPtr;
sahilmgandhi 18:6a4db94011d3 408
sahilmgandhi 18:6a4db94011d3 409 //! @}
sahilmgandhi 18:6a4db94011d3 410
sahilmgandhi 18:6a4db94011d3 411 #endif // #ifndef __ASSEMBLY__
sahilmgandhi 18:6a4db94011d3 412
sahilmgandhi 18:6a4db94011d3 413 /*! \name Usual Constants
sahilmgandhi 18:6a4db94011d3 414 */
sahilmgandhi 18:6a4db94011d3 415 //! @{
sahilmgandhi 18:6a4db94011d3 416 #define DISABLE 0
sahilmgandhi 18:6a4db94011d3 417 #define ENABLE 1
sahilmgandhi 18:6a4db94011d3 418 #ifndef __cplusplus
sahilmgandhi 18:6a4db94011d3 419 #if !defined(__bool_true_false_are_defined)
sahilmgandhi 18:6a4db94011d3 420 #define false 0
sahilmgandhi 18:6a4db94011d3 421 #define true 1
sahilmgandhi 18:6a4db94011d3 422 #endif
sahilmgandhi 18:6a4db94011d3 423 #endif
sahilmgandhi 18:6a4db94011d3 424 #define PASS 0
sahilmgandhi 18:6a4db94011d3 425 #define FAIL 1
sahilmgandhi 18:6a4db94011d3 426 #define LOW 0
sahilmgandhi 18:6a4db94011d3 427 #define HIGH 1
sahilmgandhi 18:6a4db94011d3 428 //! @}
sahilmgandhi 18:6a4db94011d3 429
sahilmgandhi 18:6a4db94011d3 430
sahilmgandhi 18:6a4db94011d3 431 #ifndef __ASSEMBLY__ // not for assembling.
sahilmgandhi 18:6a4db94011d3 432
sahilmgandhi 18:6a4db94011d3 433 //! \name Optimization Control
sahilmgandhi 18:6a4db94011d3 434 //@{
sahilmgandhi 18:6a4db94011d3 435
sahilmgandhi 18:6a4db94011d3 436 /**
sahilmgandhi 18:6a4db94011d3 437 * \def likely(exp)
sahilmgandhi 18:6a4db94011d3 438 * \brief The expression \a exp is likely to be true
sahilmgandhi 18:6a4db94011d3 439 */
sahilmgandhi 18:6a4db94011d3 440 #ifndef likely
sahilmgandhi 18:6a4db94011d3 441 # define likely(exp) (exp)
sahilmgandhi 18:6a4db94011d3 442 #endif
sahilmgandhi 18:6a4db94011d3 443
sahilmgandhi 18:6a4db94011d3 444 /**
sahilmgandhi 18:6a4db94011d3 445 * \def unlikely(exp)
sahilmgandhi 18:6a4db94011d3 446 * \brief The expression \a exp is unlikely to be true
sahilmgandhi 18:6a4db94011d3 447 */
sahilmgandhi 18:6a4db94011d3 448 #ifndef unlikely
sahilmgandhi 18:6a4db94011d3 449 # define unlikely(exp) (exp)
sahilmgandhi 18:6a4db94011d3 450 #endif
sahilmgandhi 18:6a4db94011d3 451
sahilmgandhi 18:6a4db94011d3 452 /**
sahilmgandhi 18:6a4db94011d3 453 * \def is_constant(exp)
sahilmgandhi 18:6a4db94011d3 454 * \brief Determine if an expression evaluates to a constant value.
sahilmgandhi 18:6a4db94011d3 455 *
sahilmgandhi 18:6a4db94011d3 456 * \param exp Any expression
sahilmgandhi 18:6a4db94011d3 457 *
sahilmgandhi 18:6a4db94011d3 458 * \return true if \a exp is constant, false otherwise.
sahilmgandhi 18:6a4db94011d3 459 */
sahilmgandhi 18:6a4db94011d3 460 #if (defined __GNUC__) || (defined __CC_ARM)
sahilmgandhi 18:6a4db94011d3 461 # define is_constant(exp) __builtin_constant_p(exp)
sahilmgandhi 18:6a4db94011d3 462 #else
sahilmgandhi 18:6a4db94011d3 463 # define is_constant(exp) (0)
sahilmgandhi 18:6a4db94011d3 464 #endif
sahilmgandhi 18:6a4db94011d3 465
sahilmgandhi 18:6a4db94011d3 466 //! @}
sahilmgandhi 18:6a4db94011d3 467
sahilmgandhi 18:6a4db94011d3 468 /*! \name Bit-Field Handling
sahilmgandhi 18:6a4db94011d3 469 */
sahilmgandhi 18:6a4db94011d3 470 //! @{
sahilmgandhi 18:6a4db94011d3 471
sahilmgandhi 18:6a4db94011d3 472 /*! \brief Reads the bits of a value specified by a given bit-mask.
sahilmgandhi 18:6a4db94011d3 473 *
sahilmgandhi 18:6a4db94011d3 474 * \param value Value to read bits from.
sahilmgandhi 18:6a4db94011d3 475 * \param mask Bit-mask indicating bits to read.
sahilmgandhi 18:6a4db94011d3 476 *
sahilmgandhi 18:6a4db94011d3 477 * \return Read bits.
sahilmgandhi 18:6a4db94011d3 478 */
sahilmgandhi 18:6a4db94011d3 479 #define Rd_bits( value, mask) ((value) & (mask))
sahilmgandhi 18:6a4db94011d3 480
sahilmgandhi 18:6a4db94011d3 481 /*! \brief Writes the bits of a C lvalue specified by a given bit-mask.
sahilmgandhi 18:6a4db94011d3 482 *
sahilmgandhi 18:6a4db94011d3 483 * \param lvalue C lvalue to write bits to.
sahilmgandhi 18:6a4db94011d3 484 * \param mask Bit-mask indicating bits to write.
sahilmgandhi 18:6a4db94011d3 485 * \param bits Bits to write.
sahilmgandhi 18:6a4db94011d3 486 *
sahilmgandhi 18:6a4db94011d3 487 * \return Resulting value with written bits.
sahilmgandhi 18:6a4db94011d3 488 */
sahilmgandhi 18:6a4db94011d3 489 #define Wr_bits(lvalue, mask, bits) ((lvalue) = ((lvalue) & ~(mask)) |\
sahilmgandhi 18:6a4db94011d3 490 ((bits ) & (mask)))
sahilmgandhi 18:6a4db94011d3 491
sahilmgandhi 18:6a4db94011d3 492 /*! \brief Tests the bits of a value specified by a given bit-mask.
sahilmgandhi 18:6a4db94011d3 493 *
sahilmgandhi 18:6a4db94011d3 494 * \param value Value of which to test bits.
sahilmgandhi 18:6a4db94011d3 495 * \param mask Bit-mask indicating bits to test.
sahilmgandhi 18:6a4db94011d3 496 *
sahilmgandhi 18:6a4db94011d3 497 * \return \c 1 if at least one of the tested bits is set, else \c 0.
sahilmgandhi 18:6a4db94011d3 498 */
sahilmgandhi 18:6a4db94011d3 499 #define Tst_bits( value, mask) (Rd_bits(value, mask) != 0)
sahilmgandhi 18:6a4db94011d3 500
sahilmgandhi 18:6a4db94011d3 501 /*! \brief Clears the bits of a C lvalue specified by a given bit-mask.
sahilmgandhi 18:6a4db94011d3 502 *
sahilmgandhi 18:6a4db94011d3 503 * \param lvalue C lvalue of which to clear bits.
sahilmgandhi 18:6a4db94011d3 504 * \param mask Bit-mask indicating bits to clear.
sahilmgandhi 18:6a4db94011d3 505 *
sahilmgandhi 18:6a4db94011d3 506 * \return Resulting value with cleared bits.
sahilmgandhi 18:6a4db94011d3 507 */
sahilmgandhi 18:6a4db94011d3 508 #define Clr_bits(lvalue, mask) ((lvalue) &= ~(mask))
sahilmgandhi 18:6a4db94011d3 509
sahilmgandhi 18:6a4db94011d3 510 /*! \brief Sets the bits of a C lvalue specified by a given bit-mask.
sahilmgandhi 18:6a4db94011d3 511 *
sahilmgandhi 18:6a4db94011d3 512 * \param lvalue C lvalue of which to set bits.
sahilmgandhi 18:6a4db94011d3 513 * \param mask Bit-mask indicating bits to set.
sahilmgandhi 18:6a4db94011d3 514 *
sahilmgandhi 18:6a4db94011d3 515 * \return Resulting value with set bits.
sahilmgandhi 18:6a4db94011d3 516 */
sahilmgandhi 18:6a4db94011d3 517 #define Set_bits(lvalue, mask) ((lvalue) |= (mask))
sahilmgandhi 18:6a4db94011d3 518
sahilmgandhi 18:6a4db94011d3 519 /*! \brief Toggles the bits of a C lvalue specified by a given bit-mask.
sahilmgandhi 18:6a4db94011d3 520 *
sahilmgandhi 18:6a4db94011d3 521 * \param lvalue C lvalue of which to toggle bits.
sahilmgandhi 18:6a4db94011d3 522 * \param mask Bit-mask indicating bits to toggle.
sahilmgandhi 18:6a4db94011d3 523 *
sahilmgandhi 18:6a4db94011d3 524 * \return Resulting value with toggled bits.
sahilmgandhi 18:6a4db94011d3 525 */
sahilmgandhi 18:6a4db94011d3 526 #define Tgl_bits(lvalue, mask) ((lvalue) ^= (mask))
sahilmgandhi 18:6a4db94011d3 527
sahilmgandhi 18:6a4db94011d3 528 /*! \brief Reads the bit-field of a value specified by a given bit-mask.
sahilmgandhi 18:6a4db94011d3 529 *
sahilmgandhi 18:6a4db94011d3 530 * \param value Value to read a bit-field from.
sahilmgandhi 18:6a4db94011d3 531 * \param mask Bit-mask indicating the bit-field to read.
sahilmgandhi 18:6a4db94011d3 532 *
sahilmgandhi 18:6a4db94011d3 533 * \return Read bit-field.
sahilmgandhi 18:6a4db94011d3 534 */
sahilmgandhi 18:6a4db94011d3 535 #define Rd_bitfield( value, mask) (Rd_bits( value, mask) >> ctz(mask))
sahilmgandhi 18:6a4db94011d3 536
sahilmgandhi 18:6a4db94011d3 537 /*! \brief Writes the bit-field of a C lvalue specified by a given bit-mask.
sahilmgandhi 18:6a4db94011d3 538 *
sahilmgandhi 18:6a4db94011d3 539 * \param lvalue C lvalue to write a bit-field to.
sahilmgandhi 18:6a4db94011d3 540 * \param mask Bit-mask indicating the bit-field to write.
sahilmgandhi 18:6a4db94011d3 541 * \param bitfield Bit-field to write.
sahilmgandhi 18:6a4db94011d3 542 *
sahilmgandhi 18:6a4db94011d3 543 * \return Resulting value with written bit-field.
sahilmgandhi 18:6a4db94011d3 544 */
sahilmgandhi 18:6a4db94011d3 545 #define Wr_bitfield(lvalue, mask, bitfield) (Wr_bits(lvalue, mask, (U32)(bitfield) << ctz(mask)))
sahilmgandhi 18:6a4db94011d3 546
sahilmgandhi 18:6a4db94011d3 547 //! @}
sahilmgandhi 18:6a4db94011d3 548
sahilmgandhi 18:6a4db94011d3 549
sahilmgandhi 18:6a4db94011d3 550 /*! \name Zero-Bit Counting
sahilmgandhi 18:6a4db94011d3 551 *
sahilmgandhi 18:6a4db94011d3 552 * Under GCC, __builtin_clz and __builtin_ctz behave like macros when
sahilmgandhi 18:6a4db94011d3 553 * applied to constant expressions (values known at compile time), so they are
sahilmgandhi 18:6a4db94011d3 554 * more optimized than the use of the corresponding assembly instructions and
sahilmgandhi 18:6a4db94011d3 555 * they can be used as constant expressions e.g. to initialize objects having
sahilmgandhi 18:6a4db94011d3 556 * static storage duration, and like the corresponding assembly instructions
sahilmgandhi 18:6a4db94011d3 557 * when applied to non-constant expressions (values unknown at compile time), so
sahilmgandhi 18:6a4db94011d3 558 * they are more optimized than an assembly periphrasis. Hence, clz and ctz
sahilmgandhi 18:6a4db94011d3 559 * ensure a possible and optimized behavior for both constant and non-constant
sahilmgandhi 18:6a4db94011d3 560 * expressions.
sahilmgandhi 18:6a4db94011d3 561 */
sahilmgandhi 18:6a4db94011d3 562 //! @{
sahilmgandhi 18:6a4db94011d3 563
sahilmgandhi 18:6a4db94011d3 564 /*! \brief Counts the leading zero bits of the given value considered as a 32-bit integer.
sahilmgandhi 18:6a4db94011d3 565 *
sahilmgandhi 18:6a4db94011d3 566 * \param u Value of which to count the leading zero bits.
sahilmgandhi 18:6a4db94011d3 567 *
sahilmgandhi 18:6a4db94011d3 568 * \return The count of leading zero bits in \a u.
sahilmgandhi 18:6a4db94011d3 569 */
sahilmgandhi 18:6a4db94011d3 570 #if (defined __GNUC__) || (defined __CC_ARM)
sahilmgandhi 18:6a4db94011d3 571 # define clz(u) __builtin_clz(u)
sahilmgandhi 18:6a4db94011d3 572 #elif (defined __ICCARM__)
sahilmgandhi 18:6a4db94011d3 573 # define clz(u) __CLZ(u)
sahilmgandhi 18:6a4db94011d3 574 #else
sahilmgandhi 18:6a4db94011d3 575 # define clz(u) (((u) == 0) ? 32 : \
sahilmgandhi 18:6a4db94011d3 576 ((u) & (1ul << 31)) ? 0 : \
sahilmgandhi 18:6a4db94011d3 577 ((u) & (1ul << 30)) ? 1 : \
sahilmgandhi 18:6a4db94011d3 578 ((u) & (1ul << 29)) ? 2 : \
sahilmgandhi 18:6a4db94011d3 579 ((u) & (1ul << 28)) ? 3 : \
sahilmgandhi 18:6a4db94011d3 580 ((u) & (1ul << 27)) ? 4 : \
sahilmgandhi 18:6a4db94011d3 581 ((u) & (1ul << 26)) ? 5 : \
sahilmgandhi 18:6a4db94011d3 582 ((u) & (1ul << 25)) ? 6 : \
sahilmgandhi 18:6a4db94011d3 583 ((u) & (1ul << 24)) ? 7 : \
sahilmgandhi 18:6a4db94011d3 584 ((u) & (1ul << 23)) ? 8 : \
sahilmgandhi 18:6a4db94011d3 585 ((u) & (1ul << 22)) ? 9 : \
sahilmgandhi 18:6a4db94011d3 586 ((u) & (1ul << 21)) ? 10 : \
sahilmgandhi 18:6a4db94011d3 587 ((u) & (1ul << 20)) ? 11 : \
sahilmgandhi 18:6a4db94011d3 588 ((u) & (1ul << 19)) ? 12 : \
sahilmgandhi 18:6a4db94011d3 589 ((u) & (1ul << 18)) ? 13 : \
sahilmgandhi 18:6a4db94011d3 590 ((u) & (1ul << 17)) ? 14 : \
sahilmgandhi 18:6a4db94011d3 591 ((u) & (1ul << 16)) ? 15 : \
sahilmgandhi 18:6a4db94011d3 592 ((u) & (1ul << 15)) ? 16 : \
sahilmgandhi 18:6a4db94011d3 593 ((u) & (1ul << 14)) ? 17 : \
sahilmgandhi 18:6a4db94011d3 594 ((u) & (1ul << 13)) ? 18 : \
sahilmgandhi 18:6a4db94011d3 595 ((u) & (1ul << 12)) ? 19 : \
sahilmgandhi 18:6a4db94011d3 596 ((u) & (1ul << 11)) ? 20 : \
sahilmgandhi 18:6a4db94011d3 597 ((u) & (1ul << 10)) ? 21 : \
sahilmgandhi 18:6a4db94011d3 598 ((u) & (1ul << 9)) ? 22 : \
sahilmgandhi 18:6a4db94011d3 599 ((u) & (1ul << 8)) ? 23 : \
sahilmgandhi 18:6a4db94011d3 600 ((u) & (1ul << 7)) ? 24 : \
sahilmgandhi 18:6a4db94011d3 601 ((u) & (1ul << 6)) ? 25 : \
sahilmgandhi 18:6a4db94011d3 602 ((u) & (1ul << 5)) ? 26 : \
sahilmgandhi 18:6a4db94011d3 603 ((u) & (1ul << 4)) ? 27 : \
sahilmgandhi 18:6a4db94011d3 604 ((u) & (1ul << 3)) ? 28 : \
sahilmgandhi 18:6a4db94011d3 605 ((u) & (1ul << 2)) ? 29 : \
sahilmgandhi 18:6a4db94011d3 606 ((u) & (1ul << 1)) ? 30 : \
sahilmgandhi 18:6a4db94011d3 607 31)
sahilmgandhi 18:6a4db94011d3 608 #endif
sahilmgandhi 18:6a4db94011d3 609
sahilmgandhi 18:6a4db94011d3 610 /*! \brief Counts the trailing zero bits of the given value considered as a 32-bit integer.
sahilmgandhi 18:6a4db94011d3 611 *
sahilmgandhi 18:6a4db94011d3 612 * \param u Value of which to count the trailing zero bits.
sahilmgandhi 18:6a4db94011d3 613 *
sahilmgandhi 18:6a4db94011d3 614 * \return The count of trailing zero bits in \a u.
sahilmgandhi 18:6a4db94011d3 615 */
sahilmgandhi 18:6a4db94011d3 616 #if (defined __GNUC__) || (defined __CC_ARM)
sahilmgandhi 18:6a4db94011d3 617 # define ctz(u) __builtin_ctz(u)
sahilmgandhi 18:6a4db94011d3 618 #else
sahilmgandhi 18:6a4db94011d3 619 # define ctz(u) ((u) & (1ul << 0) ? 0 : \
sahilmgandhi 18:6a4db94011d3 620 (u) & (1ul << 1) ? 1 : \
sahilmgandhi 18:6a4db94011d3 621 (u) & (1ul << 2) ? 2 : \
sahilmgandhi 18:6a4db94011d3 622 (u) & (1ul << 3) ? 3 : \
sahilmgandhi 18:6a4db94011d3 623 (u) & (1ul << 4) ? 4 : \
sahilmgandhi 18:6a4db94011d3 624 (u) & (1ul << 5) ? 5 : \
sahilmgandhi 18:6a4db94011d3 625 (u) & (1ul << 6) ? 6 : \
sahilmgandhi 18:6a4db94011d3 626 (u) & (1ul << 7) ? 7 : \
sahilmgandhi 18:6a4db94011d3 627 (u) & (1ul << 8) ? 8 : \
sahilmgandhi 18:6a4db94011d3 628 (u) & (1ul << 9) ? 9 : \
sahilmgandhi 18:6a4db94011d3 629 (u) & (1ul << 10) ? 10 : \
sahilmgandhi 18:6a4db94011d3 630 (u) & (1ul << 11) ? 11 : \
sahilmgandhi 18:6a4db94011d3 631 (u) & (1ul << 12) ? 12 : \
sahilmgandhi 18:6a4db94011d3 632 (u) & (1ul << 13) ? 13 : \
sahilmgandhi 18:6a4db94011d3 633 (u) & (1ul << 14) ? 14 : \
sahilmgandhi 18:6a4db94011d3 634 (u) & (1ul << 15) ? 15 : \
sahilmgandhi 18:6a4db94011d3 635 (u) & (1ul << 16) ? 16 : \
sahilmgandhi 18:6a4db94011d3 636 (u) & (1ul << 17) ? 17 : \
sahilmgandhi 18:6a4db94011d3 637 (u) & (1ul << 18) ? 18 : \
sahilmgandhi 18:6a4db94011d3 638 (u) & (1ul << 19) ? 19 : \
sahilmgandhi 18:6a4db94011d3 639 (u) & (1ul << 20) ? 20 : \
sahilmgandhi 18:6a4db94011d3 640 (u) & (1ul << 21) ? 21 : \
sahilmgandhi 18:6a4db94011d3 641 (u) & (1ul << 22) ? 22 : \
sahilmgandhi 18:6a4db94011d3 642 (u) & (1ul << 23) ? 23 : \
sahilmgandhi 18:6a4db94011d3 643 (u) & (1ul << 24) ? 24 : \
sahilmgandhi 18:6a4db94011d3 644 (u) & (1ul << 25) ? 25 : \
sahilmgandhi 18:6a4db94011d3 645 (u) & (1ul << 26) ? 26 : \
sahilmgandhi 18:6a4db94011d3 646 (u) & (1ul << 27) ? 27 : \
sahilmgandhi 18:6a4db94011d3 647 (u) & (1ul << 28) ? 28 : \
sahilmgandhi 18:6a4db94011d3 648 (u) & (1ul << 29) ? 29 : \
sahilmgandhi 18:6a4db94011d3 649 (u) & (1ul << 30) ? 30 : \
sahilmgandhi 18:6a4db94011d3 650 (u) & (1ul << 31) ? 31 : \
sahilmgandhi 18:6a4db94011d3 651 32)
sahilmgandhi 18:6a4db94011d3 652 #endif
sahilmgandhi 18:6a4db94011d3 653
sahilmgandhi 18:6a4db94011d3 654 //! @}
sahilmgandhi 18:6a4db94011d3 655
sahilmgandhi 18:6a4db94011d3 656
sahilmgandhi 18:6a4db94011d3 657 /*! \name Bit Reversing
sahilmgandhi 18:6a4db94011d3 658 */
sahilmgandhi 18:6a4db94011d3 659 //! @{
sahilmgandhi 18:6a4db94011d3 660
sahilmgandhi 18:6a4db94011d3 661 /*! \brief Reverses the bits of \a u8.
sahilmgandhi 18:6a4db94011d3 662 *
sahilmgandhi 18:6a4db94011d3 663 * \param u8 U8 of which to reverse the bits.
sahilmgandhi 18:6a4db94011d3 664 *
sahilmgandhi 18:6a4db94011d3 665 * \return Value resulting from \a u8 with reversed bits.
sahilmgandhi 18:6a4db94011d3 666 */
sahilmgandhi 18:6a4db94011d3 667 #define bit_reverse8(u8) ((U8)(bit_reverse32((U8)(u8)) >> 24))
sahilmgandhi 18:6a4db94011d3 668
sahilmgandhi 18:6a4db94011d3 669 /*! \brief Reverses the bits of \a u16.
sahilmgandhi 18:6a4db94011d3 670 *
sahilmgandhi 18:6a4db94011d3 671 * \param u16 U16 of which to reverse the bits.
sahilmgandhi 18:6a4db94011d3 672 *
sahilmgandhi 18:6a4db94011d3 673 * \return Value resulting from \a u16 with reversed bits.
sahilmgandhi 18:6a4db94011d3 674 */
sahilmgandhi 18:6a4db94011d3 675 #define bit_reverse16(u16) ((U16)(bit_reverse32((U16)(u16)) >> 16))
sahilmgandhi 18:6a4db94011d3 676
sahilmgandhi 18:6a4db94011d3 677 /*! \brief Reverses the bits of \a u32.
sahilmgandhi 18:6a4db94011d3 678 *
sahilmgandhi 18:6a4db94011d3 679 * \param u32 U32 of which to reverse the bits.
sahilmgandhi 18:6a4db94011d3 680 *
sahilmgandhi 18:6a4db94011d3 681 * \return Value resulting from \a u32 with reversed bits.
sahilmgandhi 18:6a4db94011d3 682 */
sahilmgandhi 18:6a4db94011d3 683 #define bit_reverse32(u32) __RBIT(u32)
sahilmgandhi 18:6a4db94011d3 684
sahilmgandhi 18:6a4db94011d3 685 /*! \brief Reverses the bits of \a u64.
sahilmgandhi 18:6a4db94011d3 686 *
sahilmgandhi 18:6a4db94011d3 687 * \param u64 U64 of which to reverse the bits.
sahilmgandhi 18:6a4db94011d3 688 *
sahilmgandhi 18:6a4db94011d3 689 * \return Value resulting from \a u64 with reversed bits.
sahilmgandhi 18:6a4db94011d3 690 */
sahilmgandhi 18:6a4db94011d3 691 #define bit_reverse64(u64) ((U64)(((U64)bit_reverse32((U64)(u64) >> 32)) |\
sahilmgandhi 18:6a4db94011d3 692 ((U64)bit_reverse32((U64)(u64)) << 32)))
sahilmgandhi 18:6a4db94011d3 693
sahilmgandhi 18:6a4db94011d3 694 //! @}
sahilmgandhi 18:6a4db94011d3 695
sahilmgandhi 18:6a4db94011d3 696
sahilmgandhi 18:6a4db94011d3 697 /*! \name Alignment
sahilmgandhi 18:6a4db94011d3 698 */
sahilmgandhi 18:6a4db94011d3 699 //! @{
sahilmgandhi 18:6a4db94011d3 700
sahilmgandhi 18:6a4db94011d3 701 /*! \brief Tests alignment of the number \a val with the \a n boundary.
sahilmgandhi 18:6a4db94011d3 702 *
sahilmgandhi 18:6a4db94011d3 703 * \param val Input value.
sahilmgandhi 18:6a4db94011d3 704 * \param n Boundary.
sahilmgandhi 18:6a4db94011d3 705 *
sahilmgandhi 18:6a4db94011d3 706 * \return \c 1 if the number \a val is aligned with the \a n boundary, else \c 0.
sahilmgandhi 18:6a4db94011d3 707 */
sahilmgandhi 18:6a4db94011d3 708 #define Test_align(val, n ) (!Tst_bits( val, (n) - 1 ) )
sahilmgandhi 18:6a4db94011d3 709
sahilmgandhi 18:6a4db94011d3 710 /*! \brief Gets alignment of the number \a val with respect to the \a n boundary.
sahilmgandhi 18:6a4db94011d3 711 *
sahilmgandhi 18:6a4db94011d3 712 * \param val Input value.
sahilmgandhi 18:6a4db94011d3 713 * \param n Boundary.
sahilmgandhi 18:6a4db94011d3 714 *
sahilmgandhi 18:6a4db94011d3 715 * \return Alignment of the number \a val with respect to the \a n boundary.
sahilmgandhi 18:6a4db94011d3 716 */
sahilmgandhi 18:6a4db94011d3 717 #define Get_align( val, n ) ( Rd_bits( val, (n) - 1 ) )
sahilmgandhi 18:6a4db94011d3 718
sahilmgandhi 18:6a4db94011d3 719 /*! \brief Sets alignment of the lvalue number \a lval to \a alg with respect to the \a n boundary.
sahilmgandhi 18:6a4db94011d3 720 *
sahilmgandhi 18:6a4db94011d3 721 * \param lval Input/output lvalue.
sahilmgandhi 18:6a4db94011d3 722 * \param n Boundary.
sahilmgandhi 18:6a4db94011d3 723 * \param alg Alignment.
sahilmgandhi 18:6a4db94011d3 724 *
sahilmgandhi 18:6a4db94011d3 725 * \return New value of \a lval resulting from its alignment set to \a alg with respect to the \a n boundary.
sahilmgandhi 18:6a4db94011d3 726 */
sahilmgandhi 18:6a4db94011d3 727 #define Set_align(lval, n, alg) ( Wr_bits(lval, (n) - 1, alg) )
sahilmgandhi 18:6a4db94011d3 728
sahilmgandhi 18:6a4db94011d3 729 /*! \brief Aligns the number \a val with the upper \a n boundary.
sahilmgandhi 18:6a4db94011d3 730 *
sahilmgandhi 18:6a4db94011d3 731 * \param val Input value.
sahilmgandhi 18:6a4db94011d3 732 * \param n Boundary.
sahilmgandhi 18:6a4db94011d3 733 *
sahilmgandhi 18:6a4db94011d3 734 * \return Value resulting from the number \a val aligned with the upper \a n boundary.
sahilmgandhi 18:6a4db94011d3 735 */
sahilmgandhi 18:6a4db94011d3 736 #define Align_up( val, n ) (((val) + ((n) - 1)) & ~((n) - 1))
sahilmgandhi 18:6a4db94011d3 737
sahilmgandhi 18:6a4db94011d3 738 /*! \brief Aligns the number \a val with the lower \a n boundary.
sahilmgandhi 18:6a4db94011d3 739 *
sahilmgandhi 18:6a4db94011d3 740 * \param val Input value.
sahilmgandhi 18:6a4db94011d3 741 * \param n Boundary.
sahilmgandhi 18:6a4db94011d3 742 *
sahilmgandhi 18:6a4db94011d3 743 * \return Value resulting from the number \a val aligned with the lower \a n boundary.
sahilmgandhi 18:6a4db94011d3 744 */
sahilmgandhi 18:6a4db94011d3 745 #define Align_down(val, n ) ( (val) & ~((n) - 1))
sahilmgandhi 18:6a4db94011d3 746
sahilmgandhi 18:6a4db94011d3 747 //! @}
sahilmgandhi 18:6a4db94011d3 748
sahilmgandhi 18:6a4db94011d3 749
sahilmgandhi 18:6a4db94011d3 750 /*! \name Mathematics
sahilmgandhi 18:6a4db94011d3 751 *
sahilmgandhi 18:6a4db94011d3 752 * The same considerations as for clz and ctz apply here but GCC does not
sahilmgandhi 18:6a4db94011d3 753 * provide built-in functions to access the assembly instructions abs, min and
sahilmgandhi 18:6a4db94011d3 754 * max and it does not produce them by itself in most cases, so two sets of
sahilmgandhi 18:6a4db94011d3 755 * macros are defined here:
sahilmgandhi 18:6a4db94011d3 756 * - Abs, Min and Max to apply to constant expressions (values known at
sahilmgandhi 18:6a4db94011d3 757 * compile time);
sahilmgandhi 18:6a4db94011d3 758 * - abs, min and max to apply to non-constant expressions (values unknown at
sahilmgandhi 18:6a4db94011d3 759 * compile time), abs is found in stdlib.h.
sahilmgandhi 18:6a4db94011d3 760 */
sahilmgandhi 18:6a4db94011d3 761 //! @{
sahilmgandhi 18:6a4db94011d3 762
sahilmgandhi 18:6a4db94011d3 763 /*! \brief Takes the absolute value of \a a.
sahilmgandhi 18:6a4db94011d3 764 *
sahilmgandhi 18:6a4db94011d3 765 * \param a Input value.
sahilmgandhi 18:6a4db94011d3 766 *
sahilmgandhi 18:6a4db94011d3 767 * \return Absolute value of \a a.
sahilmgandhi 18:6a4db94011d3 768 *
sahilmgandhi 18:6a4db94011d3 769 * \note More optimized if only used with values known at compile time.
sahilmgandhi 18:6a4db94011d3 770 */
sahilmgandhi 18:6a4db94011d3 771 #define Abs(a) (((a) < 0 ) ? -(a) : (a))
sahilmgandhi 18:6a4db94011d3 772
sahilmgandhi 18:6a4db94011d3 773 /*! \brief Takes the minimal value of \a a and \a b.
sahilmgandhi 18:6a4db94011d3 774 *
sahilmgandhi 18:6a4db94011d3 775 * \param a Input value.
sahilmgandhi 18:6a4db94011d3 776 * \param b Input value.
sahilmgandhi 18:6a4db94011d3 777 *
sahilmgandhi 18:6a4db94011d3 778 * \return Minimal value of \a a and \a b.
sahilmgandhi 18:6a4db94011d3 779 *
sahilmgandhi 18:6a4db94011d3 780 * \note More optimized if only used with values known at compile time.
sahilmgandhi 18:6a4db94011d3 781 */
sahilmgandhi 18:6a4db94011d3 782 #define Min(a, b) (((a) < (b)) ? (a) : (b))
sahilmgandhi 18:6a4db94011d3 783
sahilmgandhi 18:6a4db94011d3 784 /*! \brief Takes the maximal value of \a a and \a b.
sahilmgandhi 18:6a4db94011d3 785 *
sahilmgandhi 18:6a4db94011d3 786 * \param a Input value.
sahilmgandhi 18:6a4db94011d3 787 * \param b Input value.
sahilmgandhi 18:6a4db94011d3 788 *
sahilmgandhi 18:6a4db94011d3 789 * \return Maximal value of \a a and \a b.
sahilmgandhi 18:6a4db94011d3 790 *
sahilmgandhi 18:6a4db94011d3 791 * \note More optimized if only used with values known at compile time.
sahilmgandhi 18:6a4db94011d3 792 */
sahilmgandhi 18:6a4db94011d3 793 #define Max(a, b) (((a) > (b)) ? (a) : (b))
sahilmgandhi 18:6a4db94011d3 794
sahilmgandhi 18:6a4db94011d3 795 // abs() is already defined by stdlib.h
sahilmgandhi 18:6a4db94011d3 796
sahilmgandhi 18:6a4db94011d3 797 /*! \brief Takes the minimal value of \a a and \a b.
sahilmgandhi 18:6a4db94011d3 798 *
sahilmgandhi 18:6a4db94011d3 799 * \param a Input value.
sahilmgandhi 18:6a4db94011d3 800 * \param b Input value.
sahilmgandhi 18:6a4db94011d3 801 *
sahilmgandhi 18:6a4db94011d3 802 * \return Minimal value of \a a and \a b.
sahilmgandhi 18:6a4db94011d3 803 *
sahilmgandhi 18:6a4db94011d3 804 * \note More optimized if only used with values unknown at compile time.
sahilmgandhi 18:6a4db94011d3 805 */
sahilmgandhi 18:6a4db94011d3 806 #define min(a, b) Min(a, b)
sahilmgandhi 18:6a4db94011d3 807
sahilmgandhi 18:6a4db94011d3 808 /*! \brief Takes the maximal value of \a a and \a b.
sahilmgandhi 18:6a4db94011d3 809 *
sahilmgandhi 18:6a4db94011d3 810 * \param a Input value.
sahilmgandhi 18:6a4db94011d3 811 * \param b Input value.
sahilmgandhi 18:6a4db94011d3 812 *
sahilmgandhi 18:6a4db94011d3 813 * \return Maximal value of \a a and \a b.
sahilmgandhi 18:6a4db94011d3 814 *
sahilmgandhi 18:6a4db94011d3 815 * \note More optimized if only used with values unknown at compile time.
sahilmgandhi 18:6a4db94011d3 816 */
sahilmgandhi 18:6a4db94011d3 817 #define max(a, b) Max(a, b)
sahilmgandhi 18:6a4db94011d3 818
sahilmgandhi 18:6a4db94011d3 819 //! @}
sahilmgandhi 18:6a4db94011d3 820
sahilmgandhi 18:6a4db94011d3 821
sahilmgandhi 18:6a4db94011d3 822 /*! \brief Calls the routine at address \a addr.
sahilmgandhi 18:6a4db94011d3 823 *
sahilmgandhi 18:6a4db94011d3 824 * It generates a long call opcode.
sahilmgandhi 18:6a4db94011d3 825 *
sahilmgandhi 18:6a4db94011d3 826 * For example, `Long_call(0x80000000)' generates a software reset on a UC3 if
sahilmgandhi 18:6a4db94011d3 827 * it is invoked from the CPU supervisor mode.
sahilmgandhi 18:6a4db94011d3 828 *
sahilmgandhi 18:6a4db94011d3 829 * \param addr Address of the routine to call.
sahilmgandhi 18:6a4db94011d3 830 *
sahilmgandhi 18:6a4db94011d3 831 * \note It may be used as a long jump opcode in some special cases.
sahilmgandhi 18:6a4db94011d3 832 */
sahilmgandhi 18:6a4db94011d3 833 #define Long_call(addr) ((*(void (*)(void))(addr))())
sahilmgandhi 18:6a4db94011d3 834
sahilmgandhi 18:6a4db94011d3 835
sahilmgandhi 18:6a4db94011d3 836 /*! \name MCU Endianism Handling
sahilmgandhi 18:6a4db94011d3 837 * ARM is MCU little endianism.
sahilmgandhi 18:6a4db94011d3 838 */
sahilmgandhi 18:6a4db94011d3 839 //! @{
sahilmgandhi 18:6a4db94011d3 840 #define MSB(u16) (((U8 *)&(u16))[1]) //!< Most significant byte of \a u16.
sahilmgandhi 18:6a4db94011d3 841 #define LSB(u16) (((U8 *)&(u16))[0]) //!< Least significant byte of \a u16.
sahilmgandhi 18:6a4db94011d3 842
sahilmgandhi 18:6a4db94011d3 843 #define MSH(u32) (((U16 *)&(u32))[1]) //!< Most significant half-word of \a u32.
sahilmgandhi 18:6a4db94011d3 844 #define LSH(u32) (((U16 *)&(u32))[0]) //!< Least significant half-word of \a u32.
sahilmgandhi 18:6a4db94011d3 845 #define MSB0W(u32) (((U8 *)&(u32))[3]) //!< Most significant byte of 1st rank of \a u32.
sahilmgandhi 18:6a4db94011d3 846 #define MSB1W(u32) (((U8 *)&(u32))[2]) //!< Most significant byte of 2nd rank of \a u32.
sahilmgandhi 18:6a4db94011d3 847 #define MSB2W(u32) (((U8 *)&(u32))[1]) //!< Most significant byte of 3rd rank of \a u32.
sahilmgandhi 18:6a4db94011d3 848 #define MSB3W(u32) (((U8 *)&(u32))[0]) //!< Most significant byte of 4th rank of \a u32.
sahilmgandhi 18:6a4db94011d3 849 #define LSB3W(u32) MSB0W(u32) //!< Least significant byte of 4th rank of \a u32.
sahilmgandhi 18:6a4db94011d3 850 #define LSB2W(u32) MSB1W(u32) //!< Least significant byte of 3rd rank of \a u32.
sahilmgandhi 18:6a4db94011d3 851 #define LSB1W(u32) MSB2W(u32) //!< Least significant byte of 2nd rank of \a u32.
sahilmgandhi 18:6a4db94011d3 852 #define LSB0W(u32) MSB3W(u32) //!< Least significant byte of 1st rank of \a u32.
sahilmgandhi 18:6a4db94011d3 853
sahilmgandhi 18:6a4db94011d3 854 #define MSW(u64) (((U32 *)&(u64))[1]) //!< Most significant word of \a u64.
sahilmgandhi 18:6a4db94011d3 855 #define LSW(u64) (((U32 *)&(u64))[0]) //!< Least significant word of \a u64.
sahilmgandhi 18:6a4db94011d3 856 #define MSH0(u64) (((U16 *)&(u64))[3]) //!< Most significant half-word of 1st rank of \a u64.
sahilmgandhi 18:6a4db94011d3 857 #define MSH1(u64) (((U16 *)&(u64))[2]) //!< Most significant half-word of 2nd rank of \a u64.
sahilmgandhi 18:6a4db94011d3 858 #define MSH2(u64) (((U16 *)&(u64))[1]) //!< Most significant half-word of 3rd rank of \a u64.
sahilmgandhi 18:6a4db94011d3 859 #define MSH3(u64) (((U16 *)&(u64))[0]) //!< Most significant half-word of 4th rank of \a u64.
sahilmgandhi 18:6a4db94011d3 860 #define LSH3(u64) MSH0(u64) //!< Least significant half-word of 4th rank of \a u64.
sahilmgandhi 18:6a4db94011d3 861 #define LSH2(u64) MSH1(u64) //!< Least significant half-word of 3rd rank of \a u64.
sahilmgandhi 18:6a4db94011d3 862 #define LSH1(u64) MSH2(u64) //!< Least significant half-word of 2nd rank of \a u64.
sahilmgandhi 18:6a4db94011d3 863 #define LSH0(u64) MSH3(u64) //!< Least significant half-word of 1st rank of \a u64.
sahilmgandhi 18:6a4db94011d3 864 #define MSB0D(u64) (((U8 *)&(u64))[7]) //!< Most significant byte of 1st rank of \a u64.
sahilmgandhi 18:6a4db94011d3 865 #define MSB1D(u64) (((U8 *)&(u64))[6]) //!< Most significant byte of 2nd rank of \a u64.
sahilmgandhi 18:6a4db94011d3 866 #define MSB2D(u64) (((U8 *)&(u64))[5]) //!< Most significant byte of 3rd rank of \a u64.
sahilmgandhi 18:6a4db94011d3 867 #define MSB3D(u64) (((U8 *)&(u64))[4]) //!< Most significant byte of 4th rank of \a u64.
sahilmgandhi 18:6a4db94011d3 868 #define MSB4D(u64) (((U8 *)&(u64))[3]) //!< Most significant byte of 5th rank of \a u64.
sahilmgandhi 18:6a4db94011d3 869 #define MSB5D(u64) (((U8 *)&(u64))[2]) //!< Most significant byte of 6th rank of \a u64.
sahilmgandhi 18:6a4db94011d3 870 #define MSB6D(u64) (((U8 *)&(u64))[1]) //!< Most significant byte of 7th rank of \a u64.
sahilmgandhi 18:6a4db94011d3 871 #define MSB7D(u64) (((U8 *)&(u64))[0]) //!< Most significant byte of 8th rank of \a u64.
sahilmgandhi 18:6a4db94011d3 872 #define LSB7D(u64) MSB0D(u64) //!< Least significant byte of 8th rank of \a u64.
sahilmgandhi 18:6a4db94011d3 873 #define LSB6D(u64) MSB1D(u64) //!< Least significant byte of 7th rank of \a u64.
sahilmgandhi 18:6a4db94011d3 874 #define LSB5D(u64) MSB2D(u64) //!< Least significant byte of 6th rank of \a u64.
sahilmgandhi 18:6a4db94011d3 875 #define LSB4D(u64) MSB3D(u64) //!< Least significant byte of 5th rank of \a u64.
sahilmgandhi 18:6a4db94011d3 876 #define LSB3D(u64) MSB4D(u64) //!< Least significant byte of 4th rank of \a u64.
sahilmgandhi 18:6a4db94011d3 877 #define LSB2D(u64) MSB5D(u64) //!< Least significant byte of 3rd rank of \a u64.
sahilmgandhi 18:6a4db94011d3 878 #define LSB1D(u64) MSB6D(u64) //!< Least significant byte of 2nd rank of \a u64.
sahilmgandhi 18:6a4db94011d3 879 #define LSB0D(u64) MSB7D(u64) //!< Least significant byte of 1st rank of \a u64.
sahilmgandhi 18:6a4db94011d3 880
sahilmgandhi 18:6a4db94011d3 881 #define BE16(x) Swap16(x)
sahilmgandhi 18:6a4db94011d3 882 #define LE16(x) (x)
sahilmgandhi 18:6a4db94011d3 883
sahilmgandhi 18:6a4db94011d3 884 #define le16_to_cpu(x) (x)
sahilmgandhi 18:6a4db94011d3 885 #define cpu_to_le16(x) (x)
sahilmgandhi 18:6a4db94011d3 886 #define LE16_TO_CPU(x) (x)
sahilmgandhi 18:6a4db94011d3 887 #define CPU_TO_LE16(x) (x)
sahilmgandhi 18:6a4db94011d3 888
sahilmgandhi 18:6a4db94011d3 889 #define be16_to_cpu(x) Swap16(x)
sahilmgandhi 18:6a4db94011d3 890 #define cpu_to_be16(x) Swap16(x)
sahilmgandhi 18:6a4db94011d3 891 #define BE16_TO_CPU(x) Swap16(x)
sahilmgandhi 18:6a4db94011d3 892 #define CPU_TO_BE16(x) Swap16(x)
sahilmgandhi 18:6a4db94011d3 893
sahilmgandhi 18:6a4db94011d3 894 #define le32_to_cpu(x) (x)
sahilmgandhi 18:6a4db94011d3 895 #define cpu_to_le32(x) (x)
sahilmgandhi 18:6a4db94011d3 896 #define LE32_TO_CPU(x) (x)
sahilmgandhi 18:6a4db94011d3 897 #define CPU_TO_LE32(x) (x)
sahilmgandhi 18:6a4db94011d3 898
sahilmgandhi 18:6a4db94011d3 899 #define be32_to_cpu(x) swap32(x)
sahilmgandhi 18:6a4db94011d3 900 #define cpu_to_be32(x) swap32(x)
sahilmgandhi 18:6a4db94011d3 901 #define BE32_TO_CPU(x) swap32(x)
sahilmgandhi 18:6a4db94011d3 902 #define CPU_TO_BE32(x) swap32(x)
sahilmgandhi 18:6a4db94011d3 903 //! @}
sahilmgandhi 18:6a4db94011d3 904
sahilmgandhi 18:6a4db94011d3 905
sahilmgandhi 18:6a4db94011d3 906 /*! \name Endianism Conversion
sahilmgandhi 18:6a4db94011d3 907 *
sahilmgandhi 18:6a4db94011d3 908 * The same considerations as for clz and ctz apply here but GCC's
sahilmgandhi 18:6a4db94011d3 909 * __builtin_bswap_32 and __builtin_bswap_64 do not behave like macros when
sahilmgandhi 18:6a4db94011d3 910 * applied to constant expressions, so two sets of macros are defined here:
sahilmgandhi 18:6a4db94011d3 911 * - Swap16, Swap32 and Swap64 to apply to constant expressions (values known
sahilmgandhi 18:6a4db94011d3 912 * at compile time);
sahilmgandhi 18:6a4db94011d3 913 * - swap16, swap32 and swap64 to apply to non-constant expressions (values
sahilmgandhi 18:6a4db94011d3 914 * unknown at compile time).
sahilmgandhi 18:6a4db94011d3 915 */
sahilmgandhi 18:6a4db94011d3 916 //! @{
sahilmgandhi 18:6a4db94011d3 917
sahilmgandhi 18:6a4db94011d3 918 /*! \brief Toggles the endianism of \a u16 (by swapping its bytes).
sahilmgandhi 18:6a4db94011d3 919 *
sahilmgandhi 18:6a4db94011d3 920 * \param u16 U16 of which to toggle the endianism.
sahilmgandhi 18:6a4db94011d3 921 *
sahilmgandhi 18:6a4db94011d3 922 * \return Value resulting from \a u16 with toggled endianism.
sahilmgandhi 18:6a4db94011d3 923 *
sahilmgandhi 18:6a4db94011d3 924 * \note More optimized if only used with values known at compile time.
sahilmgandhi 18:6a4db94011d3 925 */
sahilmgandhi 18:6a4db94011d3 926 #define Swap16(u16) ((U16)(((U16)(u16) >> 8) |\
sahilmgandhi 18:6a4db94011d3 927 ((U16)(u16) << 8)))
sahilmgandhi 18:6a4db94011d3 928
sahilmgandhi 18:6a4db94011d3 929 /*! \brief Toggles the endianism of \a u32 (by swapping its bytes).
sahilmgandhi 18:6a4db94011d3 930 *
sahilmgandhi 18:6a4db94011d3 931 * \param u32 U32 of which to toggle the endianism.
sahilmgandhi 18:6a4db94011d3 932 *
sahilmgandhi 18:6a4db94011d3 933 * \return Value resulting from \a u32 with toggled endianism.
sahilmgandhi 18:6a4db94011d3 934 *
sahilmgandhi 18:6a4db94011d3 935 * \note More optimized if only used with values known at compile time.
sahilmgandhi 18:6a4db94011d3 936 */
sahilmgandhi 18:6a4db94011d3 937 #define Swap32(u32) ((U32)(((U32)Swap16((U32)(u32) >> 16)) |\
sahilmgandhi 18:6a4db94011d3 938 ((U32)Swap16((U32)(u32)) << 16)))
sahilmgandhi 18:6a4db94011d3 939
sahilmgandhi 18:6a4db94011d3 940 /*! \brief Toggles the endianism of \a u64 (by swapping its bytes).
sahilmgandhi 18:6a4db94011d3 941 *
sahilmgandhi 18:6a4db94011d3 942 * \param u64 U64 of which to toggle the endianism.
sahilmgandhi 18:6a4db94011d3 943 *
sahilmgandhi 18:6a4db94011d3 944 * \return Value resulting from \a u64 with toggled endianism.
sahilmgandhi 18:6a4db94011d3 945 *
sahilmgandhi 18:6a4db94011d3 946 * \note More optimized if only used with values known at compile time.
sahilmgandhi 18:6a4db94011d3 947 */
sahilmgandhi 18:6a4db94011d3 948 #define Swap64(u64) ((U64)(((U64)Swap32((U64)(u64) >> 32)) |\
sahilmgandhi 18:6a4db94011d3 949 ((U64)Swap32((U64)(u64)) << 32)))
sahilmgandhi 18:6a4db94011d3 950
sahilmgandhi 18:6a4db94011d3 951 /*! \brief Toggles the endianism of \a u16 (by swapping its bytes).
sahilmgandhi 18:6a4db94011d3 952 *
sahilmgandhi 18:6a4db94011d3 953 * \param u16 U16 of which to toggle the endianism.
sahilmgandhi 18:6a4db94011d3 954 *
sahilmgandhi 18:6a4db94011d3 955 * \return Value resulting from \a u16 with toggled endianism.
sahilmgandhi 18:6a4db94011d3 956 *
sahilmgandhi 18:6a4db94011d3 957 * \note More optimized if only used with values unknown at compile time.
sahilmgandhi 18:6a4db94011d3 958 */
sahilmgandhi 18:6a4db94011d3 959 #define swap16(u16) Swap16(u16)
sahilmgandhi 18:6a4db94011d3 960
sahilmgandhi 18:6a4db94011d3 961 /*! \brief Toggles the endianism of \a u32 (by swapping its bytes).
sahilmgandhi 18:6a4db94011d3 962 *
sahilmgandhi 18:6a4db94011d3 963 * \param u32 U32 of which to toggle the endianism.
sahilmgandhi 18:6a4db94011d3 964 *
sahilmgandhi 18:6a4db94011d3 965 * \return Value resulting from \a u32 with toggled endianism.
sahilmgandhi 18:6a4db94011d3 966 *
sahilmgandhi 18:6a4db94011d3 967 * \note More optimized if only used with values unknown at compile time.
sahilmgandhi 18:6a4db94011d3 968 */
sahilmgandhi 18:6a4db94011d3 969 #if (defined __GNUC__)
sahilmgandhi 18:6a4db94011d3 970 # define swap32(u32) ((U32)__builtin_bswap32((U32)(u32)))
sahilmgandhi 18:6a4db94011d3 971 #else
sahilmgandhi 18:6a4db94011d3 972 # define swap32(u32) Swap32(u32)
sahilmgandhi 18:6a4db94011d3 973 #endif
sahilmgandhi 18:6a4db94011d3 974
sahilmgandhi 18:6a4db94011d3 975 /*! \brief Toggles the endianism of \a u64 (by swapping its bytes).
sahilmgandhi 18:6a4db94011d3 976 *
sahilmgandhi 18:6a4db94011d3 977 * \param u64 U64 of which to toggle the endianism.
sahilmgandhi 18:6a4db94011d3 978 *
sahilmgandhi 18:6a4db94011d3 979 * \return Value resulting from \a u64 with toggled endianism.
sahilmgandhi 18:6a4db94011d3 980 *
sahilmgandhi 18:6a4db94011d3 981 * \note More optimized if only used with values unknown at compile time.
sahilmgandhi 18:6a4db94011d3 982 */
sahilmgandhi 18:6a4db94011d3 983 #if (defined __GNUC__)
sahilmgandhi 18:6a4db94011d3 984 # define swap64(u64) ((U64)__builtin_bswap64((U64)(u64)))
sahilmgandhi 18:6a4db94011d3 985 #else
sahilmgandhi 18:6a4db94011d3 986 # define swap64(u64) ((U64)(((U64)swap32((U64)(u64) >> 32)) |\
sahilmgandhi 18:6a4db94011d3 987 ((U64)swap32((U64)(u64)) << 32)))
sahilmgandhi 18:6a4db94011d3 988 #endif
sahilmgandhi 18:6a4db94011d3 989
sahilmgandhi 18:6a4db94011d3 990 //! @}
sahilmgandhi 18:6a4db94011d3 991
sahilmgandhi 18:6a4db94011d3 992
sahilmgandhi 18:6a4db94011d3 993 /*! \name Target Abstraction
sahilmgandhi 18:6a4db94011d3 994 */
sahilmgandhi 18:6a4db94011d3 995 //! @{
sahilmgandhi 18:6a4db94011d3 996
sahilmgandhi 18:6a4db94011d3 997 #define _GLOBEXT_ extern //!< extern storage-class specifier.
sahilmgandhi 18:6a4db94011d3 998 #define _CONST_TYPE_ const //!< const type qualifier.
sahilmgandhi 18:6a4db94011d3 999 #define _MEM_TYPE_SLOW_ //!< Slow memory type.
sahilmgandhi 18:6a4db94011d3 1000 #define _MEM_TYPE_MEDFAST_ //!< Fairly fast memory type.
sahilmgandhi 18:6a4db94011d3 1001 #define _MEM_TYPE_FAST_ //!< Fast memory type.
sahilmgandhi 18:6a4db94011d3 1002
sahilmgandhi 18:6a4db94011d3 1003 typedef U8 Byte; //!< 8-bit unsigned integer.
sahilmgandhi 18:6a4db94011d3 1004
sahilmgandhi 18:6a4db94011d3 1005 #define memcmp_ram2ram memcmp //!< Target-specific memcmp of RAM to RAM.
sahilmgandhi 18:6a4db94011d3 1006 #define memcmp_code2ram memcmp //!< Target-specific memcmp of RAM to NVRAM.
sahilmgandhi 18:6a4db94011d3 1007 #define memcpy_ram2ram memcpy //!< Target-specific memcpy from RAM to RAM.
sahilmgandhi 18:6a4db94011d3 1008 #define memcpy_code2ram memcpy //!< Target-specific memcpy from NVRAM to RAM.
sahilmgandhi 18:6a4db94011d3 1009
sahilmgandhi 18:6a4db94011d3 1010 #define LSB0(u32) LSB0W(u32) //!< Least significant byte of 1st rank of \a u32.
sahilmgandhi 18:6a4db94011d3 1011 #define LSB1(u32) LSB1W(u32) //!< Least significant byte of 2nd rank of \a u32.
sahilmgandhi 18:6a4db94011d3 1012 #define LSB2(u32) LSB2W(u32) //!< Least significant byte of 3rd rank of \a u32.
sahilmgandhi 18:6a4db94011d3 1013 #define LSB3(u32) LSB3W(u32) //!< Least significant byte of 4th rank of \a u32.
sahilmgandhi 18:6a4db94011d3 1014 #define MSB3(u32) MSB3W(u32) //!< Most significant byte of 4th rank of \a u32.
sahilmgandhi 18:6a4db94011d3 1015 #define MSB2(u32) MSB2W(u32) //!< Most significant byte of 3rd rank of \a u32.
sahilmgandhi 18:6a4db94011d3 1016 #define MSB1(u32) MSB1W(u32) //!< Most significant byte of 2nd rank of \a u32.
sahilmgandhi 18:6a4db94011d3 1017 #define MSB0(u32) MSB0W(u32) //!< Most significant byte of 1st rank of \a u32.
sahilmgandhi 18:6a4db94011d3 1018
sahilmgandhi 18:6a4db94011d3 1019 //! @}
sahilmgandhi 18:6a4db94011d3 1020
sahilmgandhi 18:6a4db94011d3 1021 /**
sahilmgandhi 18:6a4db94011d3 1022 * \brief Calculate \f$ \left\lceil \frac{a}{b} \right\rceil \f$ using
sahilmgandhi 18:6a4db94011d3 1023 * integer arithmetic.
sahilmgandhi 18:6a4db94011d3 1024 *
sahilmgandhi 18:6a4db94011d3 1025 * \param a An integer
sahilmgandhi 18:6a4db94011d3 1026 * \param b Another integer
sahilmgandhi 18:6a4db94011d3 1027 *
sahilmgandhi 18:6a4db94011d3 1028 * \return (\a a / \a b) rounded up to the nearest integer.
sahilmgandhi 18:6a4db94011d3 1029 */
sahilmgandhi 18:6a4db94011d3 1030 #define div_ceil(a, b) (((a) + (b) - 1) / (b))
sahilmgandhi 18:6a4db94011d3 1031
sahilmgandhi 18:6a4db94011d3 1032 #endif // #ifndef __ASSEMBLY__
sahilmgandhi 18:6a4db94011d3 1033
sahilmgandhi 18:6a4db94011d3 1034
sahilmgandhi 18:6a4db94011d3 1035 #if defined(__ICCARM__)
sahilmgandhi 18:6a4db94011d3 1036 #define SHORTENUM __packed
sahilmgandhi 18:6a4db94011d3 1037 #elif defined(__GNUC__)
sahilmgandhi 18:6a4db94011d3 1038 #define SHORTENUM __attribute__((packed))
sahilmgandhi 18:6a4db94011d3 1039 #endif
sahilmgandhi 18:6a4db94011d3 1040
sahilmgandhi 18:6a4db94011d3 1041 /* No operation */
sahilmgandhi 18:6a4db94011d3 1042 #if defined(__ICCARM__)
sahilmgandhi 18:6a4db94011d3 1043 #define nop() __no_operation()
sahilmgandhi 18:6a4db94011d3 1044 #elif defined(__GNUC__)
sahilmgandhi 18:6a4db94011d3 1045 #define nop() (__NOP())
sahilmgandhi 18:6a4db94011d3 1046 #endif
sahilmgandhi 18:6a4db94011d3 1047
sahilmgandhi 18:6a4db94011d3 1048 #define FLASH_DECLARE(x) const x
sahilmgandhi 18:6a4db94011d3 1049 #define FLASH_EXTERN(x) extern const x
sahilmgandhi 18:6a4db94011d3 1050 #define PGM_READ_BYTE(x) *(x)
sahilmgandhi 18:6a4db94011d3 1051 #define PGM_READ_WORD(x) *(x)
sahilmgandhi 18:6a4db94011d3 1052 #define PGM_READ_DWORD(x) *(x)
sahilmgandhi 18:6a4db94011d3 1053 #define MEMCPY_ENDIAN memcpy
sahilmgandhi 18:6a4db94011d3 1054 #define PGM_READ_BLOCK(dst, src, len) memcpy((dst), (src), (len))
sahilmgandhi 18:6a4db94011d3 1055
sahilmgandhi 18:6a4db94011d3 1056 /*Defines the Flash Storage for the request and response of MAC*/
sahilmgandhi 18:6a4db94011d3 1057 #define CMD_ID_OCTET (0)
sahilmgandhi 18:6a4db94011d3 1058
sahilmgandhi 18:6a4db94011d3 1059 /* Converting of values from CPU endian to little endian. */
sahilmgandhi 18:6a4db94011d3 1060 #define CPU_ENDIAN_TO_LE16(x) (x)
sahilmgandhi 18:6a4db94011d3 1061 #define CPU_ENDIAN_TO_LE32(x) (x)
sahilmgandhi 18:6a4db94011d3 1062 #define CPU_ENDIAN_TO_LE64(x) (x)
sahilmgandhi 18:6a4db94011d3 1063
sahilmgandhi 18:6a4db94011d3 1064 /* Converting of values from little endian to CPU endian. */
sahilmgandhi 18:6a4db94011d3 1065 #define LE16_TO_CPU_ENDIAN(x) (x)
sahilmgandhi 18:6a4db94011d3 1066 #define LE32_TO_CPU_ENDIAN(x) (x)
sahilmgandhi 18:6a4db94011d3 1067 #define LE64_TO_CPU_ENDIAN(x) (x)
sahilmgandhi 18:6a4db94011d3 1068
sahilmgandhi 18:6a4db94011d3 1069 /* Converting of constants from little endian to CPU endian. */
sahilmgandhi 18:6a4db94011d3 1070 #define CLE16_TO_CPU_ENDIAN(x) (x)
sahilmgandhi 18:6a4db94011d3 1071 #define CLE32_TO_CPU_ENDIAN(x) (x)
sahilmgandhi 18:6a4db94011d3 1072 #define CLE64_TO_CPU_ENDIAN(x) (x)
sahilmgandhi 18:6a4db94011d3 1073
sahilmgandhi 18:6a4db94011d3 1074 /* Converting of constants from CPU endian to little endian. */
sahilmgandhi 18:6a4db94011d3 1075 #define CCPU_ENDIAN_TO_LE16(x) (x)
sahilmgandhi 18:6a4db94011d3 1076 #define CCPU_ENDIAN_TO_LE32(x) (x)
sahilmgandhi 18:6a4db94011d3 1077 #define CCPU_ENDIAN_TO_LE64(x) (x)
sahilmgandhi 18:6a4db94011d3 1078
sahilmgandhi 18:6a4db94011d3 1079 #define ADDR_COPY_DST_SRC_16(dst, src) ((dst) = (src))
sahilmgandhi 18:6a4db94011d3 1080 #define ADDR_COPY_DST_SRC_64(dst, src) ((dst) = (src))
sahilmgandhi 18:6a4db94011d3 1081
sahilmgandhi 18:6a4db94011d3 1082 /**
sahilmgandhi 18:6a4db94011d3 1083 * @brief Converts a 64-Bit value into a 8 Byte array
sahilmgandhi 18:6a4db94011d3 1084 *
sahilmgandhi 18:6a4db94011d3 1085 * @param[in] value 64-Bit value
sahilmgandhi 18:6a4db94011d3 1086 * @param[out] data Pointer to the 8 Byte array to be updated with 64-Bit value
sahilmgandhi 18:6a4db94011d3 1087 * @ingroup apiPalApi
sahilmgandhi 18:6a4db94011d3 1088 */
sahilmgandhi 18:6a4db94011d3 1089 static inline void convert_64_bit_to_byte_array(uint64_t value, uint8_t *data)
sahilmgandhi 18:6a4db94011d3 1090 {
sahilmgandhi 18:6a4db94011d3 1091 uint8_t val_index = 0;
sahilmgandhi 18:6a4db94011d3 1092
sahilmgandhi 18:6a4db94011d3 1093 while (val_index < 8) {
sahilmgandhi 18:6a4db94011d3 1094 data[val_index++] = value & 0xFF;
sahilmgandhi 18:6a4db94011d3 1095 value = value >> 8;
sahilmgandhi 18:6a4db94011d3 1096 }
sahilmgandhi 18:6a4db94011d3 1097 }
sahilmgandhi 18:6a4db94011d3 1098
sahilmgandhi 18:6a4db94011d3 1099 /**
sahilmgandhi 18:6a4db94011d3 1100 * @brief Converts a 16-Bit value into a 2 Byte array
sahilmgandhi 18:6a4db94011d3 1101 *
sahilmgandhi 18:6a4db94011d3 1102 * @param[in] value 16-Bit value
sahilmgandhi 18:6a4db94011d3 1103 * @param[out] data Pointer to the 2 Byte array to be updated with 16-Bit value
sahilmgandhi 18:6a4db94011d3 1104 * @ingroup apiPalApi
sahilmgandhi 18:6a4db94011d3 1105 */
sahilmgandhi 18:6a4db94011d3 1106 static inline void convert_16_bit_to_byte_array(uint16_t value, uint8_t *data)
sahilmgandhi 18:6a4db94011d3 1107 {
sahilmgandhi 18:6a4db94011d3 1108 data[0] = value & 0xFF;
sahilmgandhi 18:6a4db94011d3 1109 data[1] = (value >> 8) & 0xFF;
sahilmgandhi 18:6a4db94011d3 1110 }
sahilmgandhi 18:6a4db94011d3 1111
sahilmgandhi 18:6a4db94011d3 1112 /* Converts a 16-Bit value into a 2 Byte array */
sahilmgandhi 18:6a4db94011d3 1113 static inline void convert_spec_16_bit_to_byte_array(uint16_t value, uint8_t *data)
sahilmgandhi 18:6a4db94011d3 1114 {
sahilmgandhi 18:6a4db94011d3 1115 data[0] = value & 0xFF;
sahilmgandhi 18:6a4db94011d3 1116 data[1] = (value >> 8) & 0xFF;
sahilmgandhi 18:6a4db94011d3 1117 }
sahilmgandhi 18:6a4db94011d3 1118
sahilmgandhi 18:6a4db94011d3 1119 /* Converts a 16-Bit value into a 2 Byte array */
sahilmgandhi 18:6a4db94011d3 1120 static inline void convert_16_bit_to_byte_address(uint16_t value, uint8_t *data)
sahilmgandhi 18:6a4db94011d3 1121 {
sahilmgandhi 18:6a4db94011d3 1122 data[0] = value & 0xFF;
sahilmgandhi 18:6a4db94011d3 1123 data[1] = (value >> 8) & 0xFF;
sahilmgandhi 18:6a4db94011d3 1124 }
sahilmgandhi 18:6a4db94011d3 1125
sahilmgandhi 18:6a4db94011d3 1126 /*
sahilmgandhi 18:6a4db94011d3 1127 * @brief Converts a 2 Byte array into a 16-Bit value
sahilmgandhi 18:6a4db94011d3 1128 *
sahilmgandhi 18:6a4db94011d3 1129 * @param data Specifies the pointer to the 2 Byte array
sahilmgandhi 18:6a4db94011d3 1130 *
sahilmgandhi 18:6a4db94011d3 1131 * @return 16-Bit value
sahilmgandhi 18:6a4db94011d3 1132 * @ingroup apiPalApi
sahilmgandhi 18:6a4db94011d3 1133 */
sahilmgandhi 18:6a4db94011d3 1134 static inline uint16_t convert_byte_array_to_16_bit(uint8_t *data)
sahilmgandhi 18:6a4db94011d3 1135 {
sahilmgandhi 18:6a4db94011d3 1136 return (data[0] | ((uint16_t)data[1] << 8));
sahilmgandhi 18:6a4db94011d3 1137 }
sahilmgandhi 18:6a4db94011d3 1138
sahilmgandhi 18:6a4db94011d3 1139 /* Converts a 8 Byte array into a 32-Bit value */
sahilmgandhi 18:6a4db94011d3 1140 static inline uint32_t convert_byte_array_to_32_bit(uint8_t *data)
sahilmgandhi 18:6a4db94011d3 1141 {
sahilmgandhi 18:6a4db94011d3 1142 union {
sahilmgandhi 18:6a4db94011d3 1143 uint32_t u32;
sahilmgandhi 18:6a4db94011d3 1144 uint8_t u8[8];
sahilmgandhi 18:6a4db94011d3 1145 } long_addr;
sahilmgandhi 18:6a4db94011d3 1146 uint8_t index;
sahilmgandhi 18:6a4db94011d3 1147 for (index = 0; index < 4; index++) {
sahilmgandhi 18:6a4db94011d3 1148 long_addr.u8[index] = *data++;
sahilmgandhi 18:6a4db94011d3 1149 }
sahilmgandhi 18:6a4db94011d3 1150 return long_addr.u32;
sahilmgandhi 18:6a4db94011d3 1151 }
sahilmgandhi 18:6a4db94011d3 1152
sahilmgandhi 18:6a4db94011d3 1153 /**
sahilmgandhi 18:6a4db94011d3 1154 * @brief Converts a 8 Byte array into a 64-Bit value
sahilmgandhi 18:6a4db94011d3 1155 *
sahilmgandhi 18:6a4db94011d3 1156 * @param data Specifies the pointer to the 8 Byte array
sahilmgandhi 18:6a4db94011d3 1157 *
sahilmgandhi 18:6a4db94011d3 1158 * @return 64-Bit value
sahilmgandhi 18:6a4db94011d3 1159 * @ingroup apiPalApi
sahilmgandhi 18:6a4db94011d3 1160 */
sahilmgandhi 18:6a4db94011d3 1161 static inline uint64_t convert_byte_array_to_64_bit(uint8_t *data)
sahilmgandhi 18:6a4db94011d3 1162 {
sahilmgandhi 18:6a4db94011d3 1163 union {
sahilmgandhi 18:6a4db94011d3 1164 uint64_t u64;
sahilmgandhi 18:6a4db94011d3 1165 uint8_t u8[8];
sahilmgandhi 18:6a4db94011d3 1166 } long_addr;
sahilmgandhi 18:6a4db94011d3 1167
sahilmgandhi 18:6a4db94011d3 1168 uint8_t val_index;
sahilmgandhi 18:6a4db94011d3 1169
sahilmgandhi 18:6a4db94011d3 1170 for (val_index = 0; val_index < 8; val_index++) {
sahilmgandhi 18:6a4db94011d3 1171 long_addr.u8[val_index] = *data++;
sahilmgandhi 18:6a4db94011d3 1172 }
sahilmgandhi 18:6a4db94011d3 1173
sahilmgandhi 18:6a4db94011d3 1174 return long_addr.u64;
sahilmgandhi 18:6a4db94011d3 1175 }
sahilmgandhi 18:6a4db94011d3 1176 /**
sahilmgandhi 18:6a4db94011d3 1177 * \}
sahilmgandhi 18:6a4db94011d3 1178 */
sahilmgandhi 18:6a4db94011d3 1179
sahilmgandhi 18:6a4db94011d3 1180 #endif /* UTILS_COMPILER_H */