188 lines
5.2 KiB
C
188 lines
5.2 KiB
C
/*
|
|
* File : rtdevice.h
|
|
* This file is part of RT-Thread RTOS
|
|
* COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team
|
|
*
|
|
* The license and distribution terms for this file may be
|
|
* found in the file LICENSE in this distribution or at
|
|
* http://www.rt-thread.org/license/LICENSE
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2012-01-08 bernard first version.
|
|
*/
|
|
|
|
#ifndef __RT_DEVICE_H__
|
|
#define __RT_DEVICE_H__
|
|
|
|
#include <rtthread.h>
|
|
|
|
#define RT_DEVICE(device) ((rt_device_t)device)
|
|
|
|
/* completion flag */
|
|
struct rt_completion
|
|
{
|
|
rt_uint32_t flag;
|
|
|
|
/* suspended list */
|
|
rt_list_t suspended_list;
|
|
};
|
|
|
|
#define RT_RINGBUFFER_SIZE(rb) ((rb)->write_index - (rb)->read_index)
|
|
#define RT_RINGBUFFER_EMPTY(rb) ((rb)->buffer_size - RT_RINGBUFFER_SIZE(rb))
|
|
/* ring buffer */
|
|
struct rt_ringbuffer
|
|
{
|
|
rt_uint16_t read_index, write_index;
|
|
rt_uint8_t *buffer_ptr;
|
|
rt_uint16_t buffer_size;
|
|
};
|
|
|
|
/* pipe device */
|
|
#define PIPE_DEVICE(device) ((struct rt_pipe_device*)(device))
|
|
struct rt_pipe_device
|
|
{
|
|
struct rt_device parent;
|
|
|
|
/* ring buffer in pipe device */
|
|
struct rt_ringbuffer ringbuffer;
|
|
|
|
/* suspended list */
|
|
rt_list_t suspended_read_list;
|
|
rt_list_t suspended_write_list;
|
|
};
|
|
|
|
#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;
|
|
#define RT_DATAQUEUE_SIZE(dq) ((dq)->put_index - (dq)->get_index)
|
|
#define RT_DATAQUEUE_EMPTY(dq) ((dq)->size - RT_DATAQUEUE_SIZE(dq))
|
|
/* data queue implementation */
|
|
struct rt_data_queue
|
|
{
|
|
rt_uint16_t size;
|
|
rt_uint16_t lwm;
|
|
rt_bool_t waiting_lwm;
|
|
|
|
rt_uint16_t get_index;
|
|
rt_uint16_t put_index;
|
|
|
|
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);
|
|
};
|
|
|
|
/**
|
|
* Completion
|
|
*/
|
|
void rt_completion_init(struct rt_completion *completion);
|
|
rt_err_t rt_completion_wait(struct rt_completion *completion,
|
|
rt_int32_t timeout);
|
|
void rt_completion_done(struct rt_completion *completion);
|
|
|
|
/**
|
|
* RingBuffer for DeviceDriver
|
|
*
|
|
* Please note that the ring buffer implementation of RT-Thread
|
|
* has no thread wait or resume feature.
|
|
*/
|
|
void rt_ringbuffer_init(struct rt_ringbuffer *rb,
|
|
rt_uint8_t *pool,
|
|
rt_uint16_t size);
|
|
rt_size_t rt_ringbuffer_put(struct rt_ringbuffer *rb,
|
|
const rt_uint8_t *ptr,
|
|
rt_uint16_t length);
|
|
rt_size_t rt_ringbuffer_putchar(struct rt_ringbuffer *rb,
|
|
const rt_uint8_t ch);
|
|
rt_size_t rt_ringbuffer_get(struct rt_ringbuffer *rb,
|
|
rt_uint8_t *ptr,
|
|
rt_uint16_t length);
|
|
rt_size_t rt_ringbuffer_getchar(struct rt_ringbuffer *rb, rt_uint8_t *ch);
|
|
rt_inline rt_uint16_t rt_ringbuffer_get_size(struct rt_ringbuffer *rb)
|
|
{
|
|
RT_ASSERT(rb != RT_NULL);
|
|
return rb->buffer_size;
|
|
}
|
|
|
|
/**
|
|
* Pipe Device
|
|
*/
|
|
rt_err_t rt_pipe_create(const char *name, rt_size_t size);
|
|
void rt_pipe_destroy(struct rt_pipe_device *pipe);
|
|
|
|
/**
|
|
* 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,
|
|
void *data_ptr,
|
|
rt_size_t data_size,
|
|
rt_int32_t timeout);
|
|
rt_err_t rt_data_queue_pop(struct rt_data_queue *queue,
|
|
void **data_ptr,
|
|
rt_size_t *size,
|
|
rt_int32_t timeout);
|
|
rt_err_t rt_data_queue_peak(struct rt_data_queue *queue,
|
|
void **data_ptr,
|
|
rt_size_t *size);
|
|
void rt_data_queue_reset(struct rt_data_queue *queue);
|
|
|
|
#ifdef RT_USING_RTC
|
|
#include "drivers/rtc.h"
|
|
#ifdef RT_USING_ALARM
|
|
#include "drivers/alarm.h"
|
|
#endif
|
|
#endif /* RT_USING_RTC */
|
|
|
|
#ifdef RT_USING_SPI
|
|
#include "drivers/spi.h"
|
|
#endif /* RT_USING_SPI */
|
|
|
|
#ifdef RT_USING_MTD_NOR
|
|
#include "drivers/mtd_nor.h"
|
|
#endif /* RT_USING_MTD_NOR */
|
|
|
|
#ifdef RT_USING_MTD_NAND
|
|
#include "drivers/mtd_nand.h"
|
|
#endif /* RT_USING_MTD_NAND */
|
|
|
|
#ifdef RT_USING_USB_DEVICE
|
|
#include "drivers/usb_device.h"
|
|
#endif /* RT_USING_USB_DEVICE */
|
|
|
|
#ifdef RT_USING_USB_HOST
|
|
#include "drivers/usb_host.h"
|
|
#endif /* RT_USING_USB_HOST */
|
|
|
|
#ifdef RT_USING_SERIAL
|
|
#include "drivers/serial.h"
|
|
#endif /* RT_USING_SERIAL */
|
|
|
|
#ifdef RT_USING_I2C
|
|
#include "drivers/i2c.h"
|
|
#include "drivers/i2c_dev.h"
|
|
|
|
#ifdef RT_USING_I2C_BITOPS
|
|
#include "drivers/i2c-bit-ops.h"
|
|
#endif /* RT_USING_I2C_BITOPS */
|
|
#endif /* RT_USING_I2C */
|
|
|
|
#ifdef RT_USING_SDIO
|
|
#include "drivers/mmcsd_core.h"
|
|
#include "drivers/sd.h"
|
|
#include "drivers/sdio.h"
|
|
#endif
|
|
|
|
#endif /* __RT_DEVICE_H__ */
|
|
|