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/*
* Copyright (C) 2001 G.M. Bertani <gmbertani@yahoo.it>
* Copyright (C) 2002 P. Mantegazza <mantegazza@aero.polimi.it>
* (LXRT extensions).
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _RTAI_TBX_H
#define _RTAI_TBX_H
#include <rtai_types.h>
/* TYPED MAILBOXES */
#define RT_TBX_MAGIC 0x6e93ad4b
#define TYPE_NONE 0x00
#define TYPE_NORMAL 0x01
#define TYPE_BROADCAST 0x02
#define TYPE_URGENT 0x04
#ifdef __KERNEL__
struct rt_typed_mailbox;
#ifndef __cplusplus
#include <rtai_sem.h>
typedef struct rt_typed_mailbox {
int magic;
int waiting_nr; /* number of tasks waiting for a broadcast */
SEM sndsmx, rcvsmx;
SEM bcbsmx; /* binary sem needed to wakeup the sleeping tasks
when the broadcasting of a message is terminated */
RT_TASK *waiting_task;
char *bufadr; /* mailbox buffer */
char *bcbadr; /* broadcasting buffer */
int size; /* mailbox size */
int fbyte; /* circular buffer read pointer */
int avbs; /* bytes occupied */
int frbs; /* bytes free */
spinlock_t buflock;
} TBX;
#else /* __cplusplus */
extern "C" {
#endif /* !__cplusplus */
int __rtai_tbx_init(void);
void __rtai_tbx_exit(void);
/*
* send_wp and receive_wp are not implemented because
* the packed message must be sent/received atomically
*/
int rt_tbx_init(struct rt_typed_mailbox *tbx,
int size,
int flags);
int rt_tbx_delete(struct rt_typed_mailbox *tbx);
int rt_tbx_send(struct rt_typed_mailbox *tbx,
void *msg,
int msg_size);
int rt_tbx_send_if(struct rt_typed_mailbox *tbx,
void *msg,
int msg_size);
int rt_tbx_send_until(struct rt_typed_mailbox *tbx,
void *msg,
int msg_size,
RTIME time);
int rt_tbx_send_timed(struct rt_typed_mailbox *tbx,
void *msg,
int msg_size,
RTIME delay);
int rt_tbx_receive(struct rt_typed_mailbox *tbx,
void *msg,
int msg_size);
int rt_tbx_receive_if(struct rt_typed_mailbox *tbx,
void *msg,
int msg_size);
int rt_tbx_receive_until(struct rt_typed_mailbox *tbx,
void *msg,
int msg_size,
RTIME time);
int rt_tbx_receive_timed(struct rt_typed_mailbox *tbx,
void *msg,
int msg_size,
RTIME delay);
int rt_tbx_broadcast(struct rt_typed_mailbox *tbx,
void *msg,
int msg_size);
int rt_tbx_broadcast_if(struct rt_typed_mailbox *tbx,
void *msg,
int msg_size);
int rt_tbx_broadcast_until(struct rt_typed_mailbox *tbx,
void *msg,
int msg_size,
RTIME time);
int rt_tbx_broadcast_timed(struct rt_typed_mailbox *tbx,
void *msg,
int msg_size,
RTIME delay);
int rt_tbx_urgent(struct rt_typed_mailbox *tbx,
void *msg,
int msg_size);
int rt_tbx_urgent_if(struct rt_typed_mailbox *tbx,
void *msg,
int msg_size);
int rt_tbx_urgent_until(struct rt_typed_mailbox *tbx,
void *msg,
int msg_size,
RTIME time);
int rt_tbx_urgent_timed(struct rt_typed_mailbox *tbx,
void *msg,
int msg_size,
RTIME delay);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#else /* !__KERNEL__ */
#include <rtai_lxrt.h>
#define TBXIDX 0
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
RTAI_PROTO(struct rt_typed_mailbox *, rt_tbx_init,(unsigned long name, int size, int flags))
{
struct { unsigned long name; int size; int flags; } arg = { name, size, flags };
return (struct rt_typed_mailbox *)rtai_lxrt(TBXIDX, SIZARG, TBX_INIT, &arg).v[LOW];
}
RTAI_PROTO(int, rt_tbx_delete,(struct rt_typed_mailbox *tbx))
{
struct { struct rt_typed_mailbox *tbx; } arg = { tbx };
return rtai_lxrt(TBXIDX, SIZARG, TBX_DELETE, &arg).i[LOW];
}
RTAI_PROTO(int, rt_tbx_send,(struct rt_typed_mailbox *tbx, void *msg, int msg_size))
{
struct { struct rt_typed_mailbox *tbx; void *msg; int msg_size; } arg = { tbx, msg, msg_size };
return rtai_lxrt(TBXIDX, SIZARG, TBX_SEND, &arg).i[LOW];
}
RTAI_PROTO(int, rt_tbx_send_if,(struct rt_typed_mailbox *tbx, void *msg, int msg_size))
{
struct { struct rt_typed_mailbox *tbx; void *msg; int msg_size; } arg = { tbx, msg, msg_size };
return rtai_lxrt(TBXIDX, SIZARG, TBX_SEND_IF, &arg).i[LOW];
}
RTAI_PROTO(int, rt_tbx_send_until,(struct rt_typed_mailbox *tbx, void *msg, int msg_size, RTIME time))
{
struct { struct rt_typed_mailbox *tbx; void *msg; int msg_size; RTIME time; } arg = { tbx, msg, msg_size, time };
return rtai_lxrt(TBXIDX, SIZARG, TBX_SEND_UNTIL, &arg).i[LOW];
}
RTAI_PROTO(int, rt_tbx_send_timed,(struct rt_typed_mailbox *tbx, void *msg, int msg_size, RTIME delay))
{
struct { struct rt_typed_mailbox *tbx; void *msg; int msg_size; RTIME delay; } arg = { tbx, msg, msg_size, delay };
return rtai_lxrt(TBXIDX, SIZARG, TBX_SEND_TIMED, &arg).i[LOW];
}
RTAI_PROTO(int, rt_tbx_receive,(struct rt_typed_mailbox *tbx, void *msg, int msg_size))
{
struct { struct rt_typed_mailbox *tbx; void *msg; int msg_size; } arg = { tbx, msg, msg_size };
return rtai_lxrt(TBXIDX, SIZARG, TBX_RECEIVE, &arg).i[LOW];
}
RTAI_PROTO(int, rt_tbx_receive_if,(struct rt_typed_mailbox *tbx, void *msg, int msg_size))
{
struct { struct rt_typed_mailbox *tbx; void *msg; int msg_size; } arg = { tbx, msg, msg_size };
return rtai_lxrt(TBXIDX, SIZARG, TBX_RECEIVE_IF, &arg).i[LOW];
}
RTAI_PROTO(int, rt_tbx_receive_until,(struct rt_typed_mailbox *tbx, void *msg, int msg_size, RTIME time))
{
struct { struct rt_typed_mailbox *tbx; void *msg; int msg_size; RTIME time; } arg = { tbx, msg, msg_size, time };
return rtai_lxrt(TBXIDX, SIZARG, TBX_RECEIVE_UNTIL, &arg).i[LOW];
}
RTAI_PROTO(int, rt_tbx_receive_timed,(struct rt_typed_mailbox *tbx, void *msg, int msg_size, RTIME delay))
{
struct { struct rt_typed_mailbox *tbx; void *msg; int msg_size; RTIME delay; } arg = { tbx, msg, msg_size, delay };
return rtai_lxrt(TBXIDX, SIZARG, TBX_RECEIVE_TIMED, &arg).i[LOW];
}
RTAI_PROTO(int, rt_tbx_broadcast,(struct rt_typed_mailbox *tbx, void *msg, int msg_size))
{
struct { struct rt_typed_mailbox *tbx; void *msg; int msg_size; } arg = { tbx, msg, msg_size };
return rtai_lxrt(TBXIDX, SIZARG, TBX_BROADCAST, &arg).i[LOW];
}
RTAI_PROTO(int, rt_tbx_broadcast_if,(struct rt_typed_mailbox *tbx, void *msg, int msg_size))
{
struct { struct rt_typed_mailbox *tbx; void *msg; int msg_size; } arg = { tbx, msg, msg_size };
return rtai_lxrt(TBXIDX, SIZARG, TBX_BROADCAST_IF, &arg).i[LOW];
}
RTAI_PROTO(int, rt_tbx_broadcast_until,(struct rt_typed_mailbox *tbx, void *msg, int msg_size, RTIME time))
{
struct { struct rt_typed_mailbox *tbx; void *msg; int msg_size; RTIME time; } arg = { tbx, msg, msg_size, time };
return rtai_lxrt(TBXIDX, SIZARG, TBX_BROADCAST_UNTIL, &arg).i[LOW];
}
RTAI_PROTO(int, rt_tbx_broadcast_timed,(struct rt_typed_mailbox *tbx, void *msg, int msg_size, RTIME delay))
{
struct { struct rt_typed_mailbox *tbx; void *msg; int msg_size; RTIME delay; } arg = { tbx, msg, msg_size, delay };
return rtai_lxrt(TBXIDX, SIZARG, TBX_BROADCAST_TIMED, &arg).i[LOW];
}
RTAI_PROTO(int, rt_tbx_urgent,(struct rt_typed_mailbox *tbx, void *msg, int msg_size))
{
struct { struct rt_typed_mailbox *tbx; void *msg; int msg_size; } arg = { tbx, msg, msg_size };
return rtai_lxrt(TBXIDX, SIZARG, TBX_URGENT, &arg).i[LOW];
}
RTAI_PROTO(int, rt_tbx_urgent_if,(struct rt_typed_mailbox *tbx, void *msg, int msg_size))
{
struct { struct rt_typed_mailbox *tbx; void *msg; int msg_size; } arg = { tbx, msg, msg_size };
return rtai_lxrt(TBXIDX, SIZARG, TBX_URGENT_IF, &arg).i[LOW];
}
RTAI_PROTO(int, rt_tbx_urgent_until,(struct rt_typed_mailbox *tbx, void *msg, int msg_size, RTIME time))
{
struct { struct rt_typed_mailbox *tbx; void *msg; int msg_size; RTIME time; } arg = { tbx, msg, msg_size, time };
return rtai_lxrt(TBXIDX, SIZARG, TBX_URGENT_UNTIL, &arg).i[LOW];
}
RTAI_PROTO(int, rt_tbx_urgent_timed,(struct rt_typed_mailbox *tbx, void *msg, int msg_size, RTIME delay))
{
struct { struct rt_typed_mailbox *tbx; void *msg; int msg_size; RTIME delay; } arg = { tbx, msg, msg_size, delay };
return rtai_lxrt(TBXIDX, SIZARG, TBX_URGENT_TIMED, &arg).i[LOW];
}
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __KERNEL__ */
#if !defined(__KERNEL__) || defined(__cplusplus)
typedef struct rt_typed_mailbox {
int opaque;
} TBX;
#endif /* !__KERNEL__ || __cplusplus */
#endif /* !_RTAI_TBX_H */
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