os_port.h

00001 /**
00002  * @file os_port.h
00003  * @brief RTOS abstraction layer
00004  *
00005  * @section License
00006  *
00007  * Copyright (C) 2010-2017 Oryx Embedded SARL. All rights reserved.
00008  *
00009  * This program is free software; you can redistribute it and/or
00010  * modify it under the terms of the GNU General Public License
00011  * as published by the Free Software Foundation; either version 2
00012  * of the License, or (at your option) any later version.
00013  *
00014  * This program is distributed in the hope that it will be useful,
00015  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00016  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00017  * GNU General Public License for more details.
00018  *
00019  * You should have received a copy of the GNU General Public License
00020  * along with this program; if not, write to the Free Software Foundation,
00021  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
00022  *
00023  * @author Oryx Embedded SARL (www.oryx-embedded.com)
00024  * @version 1.7.6
00025  **/
00026 
00027 #ifndef _OS_PORT_H
00028 #define _OS_PORT_H
00029 
00030 //Dependencies
00031 #include "os_port_config.h"
00032 #include "compiler_port.h"
00033 
00034 //Compilation flags used to enable/disable features
00035 #define ENABLED  1
00036 #define DISABLED 0
00037 
00038 #define PTR_OFFSET(addr, offset) ((void *) ((uint8_t *) (addr) + (offset)))
00039 
00040 #define timeCompare(t1, t2) ((int32_t) ((t1) - (t2)))
00041 
00042 //Miscellaneous macros
00043 #ifndef FALSE
00044    #define FALSE 0
00045 #endif
00046 
00047 #ifndef TRUE
00048    #define TRUE 1
00049 #endif
00050 
00051 #ifndef LSB
00052    #define LSB(x) ((x) & 0xFF)
00053 #endif
00054 
00055 #ifndef MSB
00056    #define MSB(x) (((x) >> 8) & 0xFF)
00057 #endif
00058 
00059 #ifndef MIN
00060    #define MIN(a, b) ((a) < (b) ? (a) : (b))
00061 #endif
00062 
00063 #ifndef MAX
00064    #define MAX(a, b) ((a) > (b) ? (a) : (b))
00065 #endif
00066 
00067 #ifndef arraysize
00068    #define arraysize(a) (sizeof(a) / sizeof(a[0]))
00069 #endif
00070 
00071 //Infinite delay
00072 #define INFINITE_DELAY ((uint_t) -1)
00073 //Maximum delay
00074 #define MAX_DELAY (INFINITE_DELAY / 2)
00075 
00076 //Invalid handle value
00077 #define OS_INVALID_HANDLE NULL
00078 
00079 //No RTOS?
00080 #if defined(USE_NO_RTOS)
00081    #include "os_port_none.h"
00082 //ChibiOS/RT port?
00083 #elif defined(USE_CHIBIOS)
00084    #include "os_port_chibios.h"
00085 //CMSIS-RTOS port?
00086 #elif defined(USE_CMSIS_RTOS)
00087    #include "os_port_cmsis_rtos.h"
00088 //CMSIS-RTOS2 port?
00089 #elif defined(USE_CMSIS_RTOS2)
00090    #include "os_port_cmsis_rtos2.h"
00091 //FreeRTOS port?
00092 #elif defined(USE_FREERTOS)
00093    #include "os_port_freertos.h"
00094 //Keil RTX port?
00095 #elif defined(USE_RTX)
00096    #include "os_port_rtx.h"
00097 //Micrium uC/OS-II port?
00098 #elif defined(USE_UCOS2)
00099    #include "os_port_ucos2.h"
00100 //Micrium uC/OS-III port?
00101 #elif defined(USE_UCOS3)
00102    #include "os_port_ucos3.h"
00103 //Nut/OS port?
00104 #elif defined(USE_NUTOS)
00105    #include "os_port_nutos.h"
00106 //Segger embOS port?
00107 #elif defined(USE_EMBOS)
00108    #include "os_port_embos.h"
00109 //TI SYS/BIOS port?
00110 #elif defined(USE_SYS_BIOS)
00111    #include "os_port_sys_bios.h"
00112 //Windows port?
00113 #elif defined(_WIN32)
00114    #include "os_port_windows.h"
00115 #endif
00116 
00117 //Delay routines
00118 #ifndef usleep
00119    #define usleep(delay) {volatile uint32_t n = delay * 4; while(n > 0) n--;}
00120 #endif
00121 
00122 #ifndef sleep
00123    #define sleep(delay) {volatile uint32_t n = delay * 4000; while(n > 0) n--;}
00124 #endif
00125 
00126 #endif
00127