/*----------------------------------------------------------------------------
 *      CMSIS-RTOS  -  RTX
 *----------------------------------------------------------------------------
 *      Name:    RT_TYPEDEF.H
 *      Purpose: Type Definitions
 *      Rev.:    V4.79
 *----------------------------------------------------------------------------
 *
 * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
 * All rights reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *  - Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  - Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *  - Neither the name of ARM  nor the names of its contributors may be used
 *    to endorse or promote products derived from this software without
 *    specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *---------------------------------------------------------------------------*/
#ifndef RT_TYPE_DEF_H
#define RT_TYPE_DEF_H

/* Types */
typedef char               S8;
typedef unsigned char      U8;
typedef short              S16;
typedef unsigned short     U16;
typedef int                S32;
typedef unsigned int       U32;
typedef long long          S64;
typedef unsigned long long U64;
typedef unsigned char      BIT;
typedef unsigned int       BOOL;
typedef void               (*FUNCP)(void);

typedef U32     OS_TID;
typedef void    *OS_ID;
typedef U32     OS_RESULT;

typedef struct OS_TCB {
  /* General part: identical for all implementations.                        */
  U8     cb_type;                 /* Control Block Type                      */
  U8     state;                   /* Task state                              */
  U8     prio;                    /* Execution priority                      */
  U8     task_id;                 /* Task ID value for optimized TCB access  */
  struct OS_TCB *p_lnk;           /* Link pointer for ready/sem. wait list   */
  struct OS_TCB *p_rlnk;          /* Link pointer for sem./mbx lst backwards */
  struct OS_TCB *p_dlnk;          /* Link pointer for delay list             */
  struct OS_TCB *p_blnk;          /* Link pointer for delay list backwards   */
  U16    delta_time;              /* Time until time out                     */
  U16    interval_time;           /* Time interval for periodic waits        */
  U16    events;                  /* Event flags                             */
  U16    waits;                   /* Wait flags                              */
  void   **msg;                   /* Direct message passing when task waits  */
  struct OS_MUCB *p_mlnk;         /* Link pointer for mutex owner list       */
  U8     prio_base;               /* Base priority                           */

  /* Hardware dependant part: specific for CM processor                      */
  U8     stack_frame;             /* Stack frame: 0=Basic, 1=Extended,       */
  U16    reserved;                /* Two reserved bytes for alignment        */
                                  /* (2=VFP/D16 stacked, 4=NEON/D32 stacked) */
  U32    priv_stack;              /* Private stack size, 0= system assigned  */
  U32    tsk_stack;               /* Current task Stack pointer (R13)        */
  U32    *stack;                  /* Pointer to Task Stack memory block      */

  /* Task entry point used for uVision debugger                              */
  FUNCP  ptask;                   /* Task entry address                      */
  void   *context;                /* Pointer to thread context               */
} *P_TCB;
#define TCB_STACKF      37        /* 'stack_frame' offset                    */
#define TCB_TSTACK      44        /* 'tsk_stack' offset                      */

typedef struct OS_PSFE {          /* Post Service Fifo Entry                 */
  void  *id;                      /* Object Identification                   */
  U32    arg;                     /* Object Argument                         */
} *P_PSFE;

typedef struct OS_PSQ {           /* Post Service Queue                      */
  U8     first;                   /* FIFO Head Index                         */
  U8     last;                    /* FIFO Tail Index                         */
  U8     count;                   /* Number of stored items in FIFO          */
  U8     size;                    /* FIFO Size                               */
  struct OS_PSFE q[1];            /* FIFO Content                            */
} *P_PSQ;

typedef struct OS_TSK {
  P_TCB  run;                     /* Current running task                    */
  P_TCB  new_tsk;                /* Scheduled task to run                   */
} *P_TSK;

typedef struct OS_ROBIN {         /* Round Robin Control                     */
  P_TCB  task;                    /* Round Robin task                        */
  U16    time;                    /* Round Robin switch time                 */
  U16    tout;                    /* Round Robin timeout                     */
} *P_ROBIN;

typedef struct OS_XCB {
  U8     cb_type;                 /* Control Block Type                      */
  struct OS_TCB *p_lnk;           /* Link pointer for ready/sem. wait list   */
  struct OS_TCB *p_rlnk;          /* Link pointer for sem./mbx lst backwards */
  struct OS_TCB *p_dlnk;          /* Link pointer for delay list             */
  struct OS_TCB *p_blnk;          /* Link pointer for delay list backwards   */
  U16    delta_time;              /* Time until time out                     */
} *P_XCB;

typedef struct OS_MCB {
  U8     cb_type;                 /* Control Block Type                      */
  U8     state;                   /* State flag variable                     */
  U8     isr_st;                  /* State flag variable for isr functions   */
  struct OS_TCB *p_lnk;           /* Chain of tasks waiting for message      */
  U16    first;                   /* Index of the message list begin         */
  U16    last;                    /* Index of the message list end           */
  U16    count;                   /* Actual number of stored messages        */
  U16    size;                    /* Maximum number of stored messages       */
  void   *msg[1];                 /* FIFO for Message pointers 1st element   */
} *P_MCB;

typedef struct OS_SCB {
  U8     cb_type;                 /* Control Block Type                      */
  U8     mask;                    /* Semaphore token mask                    */
  U16    tokens;                  /* Semaphore tokens                        */
  struct OS_TCB *p_lnk;           /* Chain of tasks waiting for tokens       */
} *P_SCB;

typedef struct OS_MUCB {
  U8     cb_type;                 /* Control Block Type                      */
  U16    level;                   /* Call nesting level                      */
  struct OS_TCB *p_lnk;           /* Chain of tasks waiting for mutex        */
  struct OS_TCB *owner;           /* Mutex owner task                        */
  struct OS_MUCB *p_mlnk;         /* Chain of mutexes by owner task          */
} *P_MUCB;

typedef struct OS_XTMR {
  struct OS_TMR  *next;
  U16    tcnt;
} *P_XTMR;

typedef struct OS_TMR {
  struct OS_TMR  *next;           /* Link pointer to Next timer              */
  U16    tcnt;                    /* Timer delay count                       */
  U16    info;                    /* User defined call info                  */
} *P_TMR;

typedef struct OS_BM {
  void *free;                     /* Pointer to first free memory block      */
  void *end;                      /* Pointer to memory block end             */
  U32  blk_size;                  /* Memory block size                       */
} *P_BM;

/* Definitions */
#define __TRUE          1U
#define __FALSE         0U
#define NULL            ((void *) 0)

#endif
