1 /** 2 ****************************************************************************** 3 * @file utilities_common.h 4 * @author MCD Application Team 5 * @brief Common file to utilities 6 ****************************************************************************** 7 * @attention 8 * 9 * <h2><center>© Copyright (c) 2019 STMicroelectronics. 10 * All rights reserved.</center></h2> 11 * 12 * This software component is licensed by ST under BSD 3-Clause license, 13 * the "License"; You may not use this file except in compliance with the 14 * License. You may obtain a copy of the License at: 15 * opensource.org/licenses/BSD-3-Clause 16 * 17 ****************************************************************************** 18 */ 19 20 21 /* Define to prevent recursive inclusion -------------------------------------*/ 22 #ifndef __UTILITIES_COMMON_H 23 #define __UTILITIES_COMMON_H 24 25 #ifdef __cplusplus 26 extern "C" { 27 #endif 28 29 #include <stdint.h> 30 #include <string.h> 31 #include <stdio.h> 32 #include <stdlib.h> 33 #include <stdarg.h> 34 35 #include "app_conf.h" 36 37 /* -------------------------------- * 38 * Basic definitions * 39 * -------------------------------- */ 40 41 #undef NULL 42 #define NULL 0 43 44 #undef FALSE 45 #define FALSE 0 46 47 #undef TRUE 48 #define TRUE (!0) 49 50 /* -------------------------------- * 51 * Critical Section definition * 52 * -------------------------------- */ 53 #undef BACKUP_PRIMASK 54 #define BACKUP_PRIMASK() uint32_t primask_bit= __get_PRIMASK() 55 56 #undef DISABLE_IRQ 57 #define DISABLE_IRQ() __disable_irq() 58 59 #undef RESTORE_PRIMASK 60 #define RESTORE_PRIMASK() __set_PRIMASK(primask_bit) 61 62 /* -------------------------------- * 63 * Macro delimiters * 64 * -------------------------------- */ 65 #undef M_BEGIN 66 #define M_BEGIN do { 67 68 #undef M_END 69 #define M_END } while(0) 70 71 /* -------------------------------- * 72 * Some useful macro definitions * 73 * -------------------------------- */ 74 #undef MAX 75 #define MAX( x, y ) (((x)>(y))?(x):(y)) 76 77 #undef MIN 78 #define MIN( x, y ) (((x)<(y))?(x):(y)) 79 80 #undef MODINC 81 #define MODINC( a, m ) M_BEGIN (a)++; if ((a)>=(m)) (a)=0; M_END 82 83 #undef MODDEC 84 #define MODDEC( a, m ) M_BEGIN if ((a)==0) (a)=(m); (a)--; M_END 85 86 #undef MODADD 87 #define MODADD( a, b, m ) M_BEGIN (a)+=(b); if ((a)>=(m)) (a)-=(m); M_END 88 89 #undef MODSUB 90 #define MODSUB( a, b, m ) MODADD( a, (m)-(b), m ) 91 92 #undef ALIGN 93 #ifdef WIN32 94 #define ALIGN(n) 95 #else 96 #define ALIGN(n) __attribute__((aligned(n))) 97 #endif 98 99 #undef PAUSE 100 #define PAUSE( t ) M_BEGIN \ 101 volatile int _i; \ 102 for ( _i = t; _i > 0; _i -- ); \ 103 M_END 104 #undef DIVF 105 #define DIVF( x, y ) ((x)/(y)) 106 107 #undef DIVC 108 #define DIVC( x, y ) (((x)+(y)-1)/(y)) 109 110 #undef DIVR 111 #define DIVR( x, y ) (((x)+((y)/2))/(y)) 112 113 #undef SHRR 114 #define SHRR( x, n ) ((((x)>>((n)-1))+1)>>1) 115 116 #undef BITN 117 #define BITN( w, n ) (((w)[(n)/32] >> ((n)%32)) & 1) 118 119 #undef BITNSET 120 #define BITNSET( w, n, b ) M_BEGIN (w)[(n)/32] |= ((U32)(b))<<((n)%32); M_END 121 122 /* -------------------------------- * 123 * Section attribute * 124 * -------------------------------- */ 125 #define PLACE_IN_SECTION( __x__ ) __attribute__((section (__x__))) 126 127 /* ----------------------------------- * 128 * Packed usage (compiler dependent) * 129 * ----------------------------------- */ 130 #undef PACKED__ 131 #undef PACKED_STRUCT 132 133 #if defined ( __CC_ARM ) 134 #if defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) 135 #define PACKED__ __attribute__((packed)) 136 #define PACKED_STRUCT struct PACKED__ 137 #else 138 #define PACKED__(TYPE) __packed TYPE 139 #define PACKED_STRUCT PACKED__(struct) 140 #endif 141 #elif defined ( __GNUC__ ) 142 #define PACKED__ __attribute__((packed)) 143 #define PACKED_STRUCT struct PACKED__ 144 #elif defined (__ICCARM__) 145 #define PACKED_STRUCT __packed struct 146 #elif 147 #define PACKED_STRUCT __packed struct 148 #endif 149 150 #ifdef __cplusplus 151 } 152 #endif 153 154 #endif /*__UTILITIES_COMMON_H */ 155 156 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ 157