radio/src/definitions.h

   1 /*
   2  * Copyright (C) OpenTX
   3  *
   4  * Based on code named
   5  *   th9x - http://code.google.com/p/th9x
   6  *   er9x - http://code.google.com/p/er9x
   7  *   gruvin9x - http://code.google.com/p/gruvin9x
   8  *
   9  * License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License version 2 as
  13  * published by the Free Software Foundation.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  */
  20
  21 #ifndef _DEFINITIONS_H_
  22 #define _DEFINITIONS_H_
  23
  24 #include <inttypes.h>
  25 #include <stdbool.h>
  26 #include <stddef.h>
  27
  28 #if !defined(UNUSED)
  29   #define UNUSED(x)           ((void)(x)) /* to avoid warnings */
  30 #endif
  31
  32 #if defined(SIMU)
  33   #define __ALIGNED(x)
  34   #define __SECTION_USED(s)
  35 #else
  36   #define __ALIGNED(x)        __attribute__((aligned(x)))
  37   #define __SECTION_USED(s)   __attribute__((section(s), used))
  38 #endif
  39
  40 #if defined(SIMU)
  41   #define __DMA
  42 #elif (defined(STM32F4) && !defined(BOOT)) || defined(SDRAM)
  43   #define __DMA               __attribute__((section(".ram"), aligned(4)))
  44 #else
  45   #define __DMA               __ALIGNED(4)
  46 #endif
  47
  48 #if defined(SDRAM) && !defined(SIMU)
  49   #define __SDRAM   __attribute__((section(".sdram"), aligned(4)))
  50   #define __NOINIT  __attribute__((section(".noinit")))
  51 #else
  52   #define __SDRAM   __DMA
  53   #define __NOINIT
  54 #endif
  55
  56 #if __GNUC__
  57   #define PACK( __Declaration__ )      __Declaration__ __attribute__((__packed__))
  58 #else
  59   #define PACK( __Declaration__ )      __pragma( pack(push, 1) ) __Declaration__ __pragma( pack(pop) )
  60 #endif
  61
  62 #if defined(SIMU)
  63   #define CONVERT_PTR_UINT(x) ((uint32_t)(uint64_t)(x))
  64   #define CONVERT_UINT_PTR(x) ((uint32_t*)(uint64_t)(x))
  65 #else
  66   #define CONVERT_PTR_UINT(x) ((uint32_t)(x))
  67   #define CONVERT_UINT_PTR(x) ((uint32_t *)(x))
  68 #endif
  69
  70 #if !defined(DIM)
  71   #define DIM(__arr) (sizeof((__arr)) / sizeof((__arr)[0]))
  72 #endif
  73
  74 #endif // _DEFINITIONS_H_