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import RT-Thread@9217865c without bsp, libcpu and components/net

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This commit is contained in:
Zihao Yu 2023-05-20 16:23:33 +08:00
commit e2376a3709
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65
components/drivers/include/ipc/dataqueue.h Normal file
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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
*/
#ifndef DATAQUEUE_H__
#define DATAQUEUE_H__
#include <rtthread.h>
#define RT_DATAQUEUE_EVENT_UNKNOWN 0x00
#define RT_DATAQUEUE_EVENT_POP 0x01
#define RT_DATAQUEUE_EVENT_PUSH 0x02
#define RT_DATAQUEUE_EVENT_LWM 0x03
struct rt_data_item;
/* data queue implementation */
struct rt_data_queue
{
rt_uint32_t magic;
rt_uint16_t size;
rt_uint16_t lwm;
rt_uint16_t get_index : 15;
rt_uint16_t is_empty : 1;
rt_uint16_t put_index : 15;
rt_uint16_t is_full : 1;
struct rt_data_item *queue;
rt_list_t suspended_push_list;
rt_list_t suspended_pop_list;
/* event notify */
void (*evt_notify)(struct rt_data_queue *queue, rt_uint32_t event);
};
/**
* DataQueue for DeviceDriver
*/
rt_err_t rt_data_queue_init(struct rt_data_queue *queue,
rt_uint16_t size,
rt_uint16_t lwm,
void (*evt_notify)(struct rt_data_queue *queue, rt_uint32_t event));
rt_err_t rt_data_queue_push(struct rt_data_queue *queue,
const void *data_ptr,
rt_size_t data_size,
rt_int32_t timeout);
rt_err_t rt_data_queue_pop(struct rt_data_queue *queue,
const void **data_ptr,
rt_size_t *size,
rt_int32_t timeout);
rt_err_t rt_data_queue_peek(struct rt_data_queue *queue,
const void **data_ptr,
rt_size_t *size);
void rt_data_queue_reset(struct rt_data_queue *queue);
rt_err_t rt_data_queue_deinit(struct rt_data_queue *queue);
rt_uint16_t rt_data_queue_len(struct rt_data_queue *queue);
#endif