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Add Atomthreads RTOS source files.

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Kelvin Lawson
2010-01-14 01:53:45 +00:00
parent 8521dcfe06
commit 6d599c6729
63 changed files with 16629 additions and 0 deletions
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49
kernel/atomqueue.h Executable file
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/*
* Copyright (c) 2010, Kelvin Lawson. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. No personal names or organizations' names associated with the
* Atomthreads project may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE ATOMTHREADS PROJECT 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 THE PROJECT OR 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 __ATOM_QUEUE_H
#define __ATOM_QUEUE_H
typedef struct atom_queue
{
ATOM_TCB * putSuspQ; /* Queue of threads waiting to send */
ATOM_TCB * getSuspQ; /* Queue of threads waiting to receive */
uint8_t * buff_ptr; /* Pointer to queue data area */
uint32_t unit_size; /* Size of each message */
uint32_t max_num_msgs; /* Max number of storable messages */
uint32_t insert_index; /* Next byte index to insert into */
uint32_t remove_index; /* Next byte index to remove from */
uint32_t num_msgs_stored;/* Number of messages stored */
} ATOM_QUEUE;
extern uint8_t atomQueueCreate (ATOM_QUEUE *qptr, uint8_t *buff_ptr, uint32_t unit_size, uint32_t max_num_msgs);
extern uint8_t atomQueueDelete (ATOM_QUEUE *qptr);
extern uint8_t atomQueueGet (ATOM_QUEUE *qptr, int32_t timeout, uint8_t *msgptr);
extern uint8_t atomQueuePut (ATOM_QUEUE *qptr, int32_t timeout, uint8_t *msgptr);
#endif /* __ATOM_QUEUE_H */