?? os.h
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/*
************************************************************************************************************************
* uC/OS-III
* The Real-Time Kernel
*
* (c) Copyright 2009-2012; Micrium, Inc.; Weston, FL
* All rights reserved. Protected by international copyright laws.
*
* File : OS.H
* By : JJL
* Version : V3.03.01
*
* LICENSING TERMS:
* ---------------
* uC/OS-III is provided in source form for FREE short-term evaluation, for educational use or
* for peaceful research. If you plan or intend to use uC/OS-III in a commercial application/
* product then, you need to contact Micrium to properly license uC/OS-III for its use in your
* application/product. We provide ALL the source code for your convenience and to help you
* experience uC/OS-III. The fact that the source is provided does NOT mean that you can use
* it commercially without paying a licensing fee.
*
* Knowledge of the source code may NOT be used to develop a similar product.
*
* Please help us continue to provide the embedded community with the finest software available.
* Your honesty is greatly appreciated.
*
* You can contact us at www.micrium.com, or by phone at +1 (954) 217-2036.
************************************************************************************************************************
* Note(s) : (1) Assumes the following versions (or more recent) of software modules are included in the project build:
*
* (a) uC/LIB V1.36.01
* (b) uC/CPU V1.29.00
************************************************************************************************************************
*/
#ifndef OS_H
#define OS_H
/*
************************************************************************************************************************
* uC/OS-III VERSION NUMBER
************************************************************************************************************************
*/
#define OS_VERSION 30301u /* Version of uC/OS-III (Vx.yy.zz mult. by 10000) */
/*
************************************************************************************************************************
* INCLUDE HEADER FILES
************************************************************************************************************************
*/
#ifdef __cplusplus
extern "C" {
#endif
#include <os_cfg.h>
#include <cpu.h>
#include <cpu_core.h>
#include <lib_def.h>
#include <os_type.h>
#include <os_cpu.h>
/*
************************************************************************************************************************
* CRITICAL SECTION HANDLING
************************************************************************************************************************
*/
#if OS_CFG_SCHED_LOCK_TIME_MEAS_EN > 0u && defined(CPU_CFG_INT_DIS_MEAS_EN)
#define OS_SCHED_LOCK_TIME_MEAS_START() OS_SchedLockTimeMeasStart()
#else
#define OS_SCHED_LOCK_TIME_MEAS_START()
#endif
#if OS_CFG_SCHED_LOCK_TIME_MEAS_EN > 0u && defined(CPU_CFG_INT_DIS_MEAS_EN)
#define OS_SCHED_LOCK_TIME_MEAS_STOP() OS_SchedLockTimeMeasStop()
#else
#define OS_SCHED_LOCK_TIME_MEAS_STOP()
#endif
#if OS_CFG_ISR_POST_DEFERRED_EN > 0u /* Deferred ISR Posts ------------------------------ */
/* Lock the scheduler */
#define OS_CRITICAL_ENTER() \
do { \
CPU_CRITICAL_ENTER(); \
OSSchedLockNestingCtr++; \
if (OSSchedLockNestingCtr == 1u) { \
OS_SCHED_LOCK_TIME_MEAS_START(); \
} \
CPU_CRITICAL_EXIT(); \
} while (0)
/* Lock the scheduler but re-enable interrupts */
#define OS_CRITICAL_ENTER_CPU_EXIT() \
do { \
OSSchedLockNestingCtr++; \
\
if (OSSchedLockNestingCtr == 1u) { \
OS_SCHED_LOCK_TIME_MEAS_START(); \
} \
CPU_CRITICAL_EXIT(); \
} while (0)
/* Scheduling occurs only if an interrupt occurs */
#define OS_CRITICAL_EXIT() \
do { \
CPU_CRITICAL_ENTER(); \
OSSchedLockNestingCtr--; \
if (OSSchedLockNestingCtr == (OS_NESTING_CTR)0) { \
OS_SCHED_LOCK_TIME_MEAS_STOP(); \
if (OSIntQNbrEntries > (OS_OBJ_QTY)0) { \
CPU_CRITICAL_EXIT(); \
OS_Sched0(); \
} else { \
CPU_CRITICAL_EXIT(); \
} \
} else { \
CPU_CRITICAL_EXIT(); \
} \
} while (0)
#define OS_CRITICAL_EXIT_NO_SCHED() \
do { \
CPU_CRITICAL_ENTER(); \
OSSchedLockNestingCtr--; \
if (OSSchedLockNestingCtr == (OS_NESTING_CTR)0) { \
OS_SCHED_LOCK_TIME_MEAS_STOP(); \
} \
CPU_CRITICAL_EXIT(); \
} while (0)
#else /* Direct ISR Posts -------------------------------- */
#define OS_CRITICAL_ENTER() CPU_CRITICAL_ENTER()
#define OS_CRITICAL_ENTER_CPU_EXIT()
#define OS_CRITICAL_EXIT() CPU_CRITICAL_EXIT()
#define OS_CRITICAL_EXIT_NO_SCHED() CPU_CRITICAL_EXIT()
#endif
/*
************************************************************************************************************************
* MISCELLANEOUS
************************************************************************************************************************
*/
#ifdef OS_GLOBALS
#define OS_EXT
#else
#define OS_EXT extern
#endif
#define OS_PRIO_TBL_SIZE ((OS_CFG_PRIO_MAX - 1u) / (DEF_INT_CPU_NBR_BITS) + 1u)
#define OS_MSG_EN (((OS_CFG_TASK_Q_EN > 0u) || (OS_CFG_Q_EN > 0u)) ? 1u : 0u)
/*$PAGE*/
/*
************************************************************************************************************************
************************************************************************************************************************
* # D E F I N E S
************************************************************************************************************************
************************************************************************************************************************
*/
/*
========================================================================================================================
* TASK STATUS
========================================================================================================================
*/
#define OS_STATE_OS_STOPPED (OS_STATE)(0u)
#define OS_STATE_OS_RUNNING (OS_STATE)(1u)
#define OS_STATE_NOT_RDY (CPU_BOOLEAN)(0u)
#define OS_STATE_RDY (CPU_BOOLEAN)(1u)
/* ------------------- TASK STATES ------------------ */
#define OS_TASK_STATE_BIT_DLY (OS_STATE)(0x01u) /* /-------- SUSPENDED bit */
/* | */
#define OS_TASK_STATE_BIT_PEND (OS_STATE)(0x02u) /* | /----- PEND bit */
/* | | */
#define OS_TASK_STATE_BIT_SUSPENDED (OS_STATE)(0x04u) /* | | /--- Delayed/Timeout bit */
/* | | | */
/* V V V */
#define OS_TASK_STATE_RDY (OS_STATE)( 0u) /* 0 0 0 Ready */
#define OS_TASK_STATE_DLY (OS_STATE)( 1u) /* 0 0 1 Delayed or Timeout */
#define OS_TASK_STATE_PEND (OS_STATE)( 2u) /* 0 1 0 Pend */
#define OS_TASK_STATE_PEND_TIMEOUT (OS_STATE)( 3u) /* 0 1 1 Pend + Timeout */
#define OS_TASK_STATE_SUSPENDED (OS_STATE)( 4u) /* 1 0 0 Suspended */
#define OS_TASK_STATE_DLY_SUSPENDED (OS_STATE)( 5u) /* 1 0 1 Suspended + Delayed or Timeout */
#define OS_TASK_STATE_PEND_SUSPENDED (OS_STATE)( 6u) /* 1 1 0 Suspended + Pend */
#define OS_TASK_STATE_PEND_TIMEOUT_SUSPENDED (OS_STATE)( 7u) /* 1 1 1 Suspended + Pend + Timeout */
#define OS_TASK_STATE_DEL (OS_STATE)(255u)
/* ----------------- PENDING ON ... ----------------- */
#define OS_TASK_PEND_ON_NOTHING (OS_STATE)( 0u) /* Pending on nothing */
#define OS_TASK_PEND_ON_FLAG (OS_STATE)( 1u) /* Pending on event flag group */
#define OS_TASK_PEND_ON_TASK_Q (OS_STATE)( 2u) /* Pending on message to be sent to task */
#define OS_TASK_PEND_ON_MULTI (OS_STATE)( 3u) /* Pending on multiple semaphores and/or queues */
#define OS_TASK_PEND_ON_MUTEX (OS_STATE)( 4u) /* Pending on mutual exclusion semaphore */
#define OS_TASK_PEND_ON_Q (OS_STATE)( 5u) /* Pending on queue */
#define OS_TASK_PEND_ON_SEM (OS_STATE)( 6u) /* Pending on semaphore */
#define OS_TASK_PEND_ON_TASK_SEM (OS_STATE)( 7u) /* Pending on signal to be sent to task */
/*
------------------------------------------------------------------------------------------------------------------------
* TASK PEND STATUS
* (Status codes for OS_TCBs field .PendStatus)
------------------------------------------------------------------------------------------------------------------------
*/
#define OS_STATUS_PEND_OK (OS_STATUS)( 0u) /* Pending status OK, !pending, or pending complete */
#define OS_STATUS_PEND_ABORT (OS_STATUS)( 1u) /* Pending aborted */
#define OS_STATUS_PEND_DEL (OS_STATUS)( 2u) /* Pending object deleted */
#define OS_STATUS_PEND_TIMEOUT (OS_STATUS)( 3u) /* Pending timed out */
/*
========================================================================================================================
* OS OBJECT TYPES
*
* Note(s) : (1) OS_OBJ_TYPE_&&& #define values specifically chosen as ASCII representations of the kernel
* object types. Memory displays of kernel objects will display the kernel object TYPEs with
* their chosen ASCII names.
========================================================================================================================
*/
#define OS_OBJ_TYPE_NONE (OS_OBJ_TYPE)CPU_TYPE_CREATE('N', 'O', 'N', 'E')
#define OS_OBJ_TYPE_FLAG (OS_OBJ_TYPE)CPU_TYPE_CREATE('F', 'L', 'A', 'G')
#define OS_OBJ_TYPE_MEM (OS_OBJ_TYPE)CPU_TYPE_CREATE('M', 'E', 'M', ' ')
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