635 lines
18 KiB
C
635 lines
18 KiB
C
/*
|
|
* File : rtdef.h
|
|
* This file is part of RT-Thread RTOS
|
|
* COPYRIGHT (C) 2006, 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://openlab.rt-thread.com/license/LICENSE.
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2007-01-10 Bernard the first version
|
|
* 2008-07-12 Bernard remove all rt_int8, rt_uint32_t etc typedef
|
|
*/
|
|
#ifndef __RT_DEF_H__
|
|
#define __RT_DEF_H__
|
|
|
|
#include <rtconfig.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* RT-Thread version information */
|
|
#define RT_VERSION 4L
|
|
#define RT_SUBVERSION 0L
|
|
|
|
/* date type defination */
|
|
typedef signed char rt_int8_t;
|
|
typedef signed short rt_int16_t;
|
|
typedef signed long rt_int32_t;
|
|
typedef unsigned char rt_uint8_t;
|
|
typedef unsigned short rt_uint16_t;
|
|
typedef unsigned long rt_uint32_t;
|
|
typedef int rt_bool_t;
|
|
|
|
/* 32bit CPU */
|
|
typedef long rt_base_t;
|
|
typedef unsigned long rt_ubase_t;
|
|
|
|
/* RT-Thread definitions */
|
|
typedef rt_base_t rt_err_t; /* Type for error number. */
|
|
typedef rt_uint32_t rt_time_t; /* Type for time stamp. */
|
|
typedef rt_uint32_t rt_tick_t; /* Type for tick count. */
|
|
typedef rt_base_t rt_flag_t; /* Type for flags. */
|
|
typedef rt_ubase_t rt_size_t; /* Type for size number. */
|
|
typedef rt_ubase_t rt_dev_t; /* Type for device. */
|
|
typedef rt_uint32_t rt_off_t; /* Type for offset. */
|
|
|
|
/* RT-Thread bool type definitions */
|
|
#define RT_TRUE 1
|
|
#define RT_FALSE 0
|
|
|
|
/* maximun value of base type */
|
|
#define RT_UINT8_MAX 0xff /* Maxium number of UINT8. */
|
|
#define RT_UINT16_MAX 0xffff /* Maxium number of UINT16. */
|
|
#define RT_UINT32_MAX 0xffffffff /* Maxium number of UINT32. */
|
|
|
|
/* Compiler Related Definitions */
|
|
#ifdef __CC_ARM /* ARM Compiler */
|
|
#include <stdarg.h>
|
|
#define SECTION(x) __attribute__((section(x)))
|
|
#define UNUSED __attribute__((unused))
|
|
#define ALIGN(n) __attribute__((aligned(n)))
|
|
#define rt_inline static __inline
|
|
/* module compiling */
|
|
#ifdef RT_USING_MODULE
|
|
#define RTT_API __declspec(dllimport)
|
|
#else
|
|
#define RTT_API __declspec(dllexport)
|
|
#endif
|
|
|
|
#elif defined (__ICCARM__) /* for IAR Compiler */
|
|
#include <stdarg.h>
|
|
#define SECTION(x) @ x
|
|
#define UNUSED
|
|
#define ALIGN(n) #pragma pack(n)
|
|
#define rt_inline inline
|
|
#define RTT_API
|
|
|
|
#elif defined (__GNUC__) /* GNU GCC Compiler */
|
|
#ifdef RT_USING_NEWLIB
|
|
#include <stdarg.h>
|
|
#else
|
|
typedef void *__sys_va_list;
|
|
typedef __sys_va_list va_list;
|
|
#define __va_rounded_size(type) \
|
|
(((sizeof (type) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
|
|
#define va_start(ap, lastarg) \
|
|
(ap = ((char *) &(lastarg) + __va_rounded_size(lastarg)))
|
|
#define va_end(ap) ((void)0)
|
|
/* little endian */
|
|
#define va_arg(ap, type) \
|
|
(ap = (__sys_va_list) ((char *) (ap) + __va_rounded_size (type)), \
|
|
*((type *) (void *) ((char *) (ap) - __va_rounded_size (type))))
|
|
#endif
|
|
|
|
#define SECTION(x) __attribute__((section(x)))
|
|
#define UNUSED __attribute__((unused))
|
|
#define ALIGN(n) __attribute__((aligned(n)))
|
|
#define rt_inline static __inline
|
|
#define RTT_API
|
|
|
|
#elif defined (__ICCM16C__) /* for IAR EW M16C Compiler */
|
|
#include <stdarg.h>
|
|
#define SECTION(x) @ x
|
|
#define UNUSED
|
|
#define rt_inline inline
|
|
#define RTT_API
|
|
|
|
#endif
|
|
|
|
/* event length */
|
|
#define RT_EVENT_LENGTH 32
|
|
|
|
/* memory management option */
|
|
#define RT_MM_PAGE_SIZE 4096
|
|
#define RT_MM_PAGE_MASK (RT_MM_PAGE_SIZE - 1)
|
|
#define RT_MM_PAGE_BITS 12
|
|
|
|
/**
|
|
* @addtogroup Error
|
|
*/
|
|
/*@{*/
|
|
/* RT-Thread error code definitions */
|
|
#define RT_EOK 0 /* There is no error */
|
|
#define RT_ERROR 1 /* A generic error happens */
|
|
#define RT_ETIMEOUT 2 /* Timed out */
|
|
#define RT_EFULL 3 /* The resource is full */
|
|
#define RT_EEMPTY 4 /* The resource is empty */
|
|
#define RT_ENOMEM 5 /* No memory */
|
|
#define RT_ENOSYS 6 /* No system */
|
|
#define RT_EBUSY 7 /* Busy */
|
|
/*@}*/
|
|
|
|
#ifdef RT_DEBUG
|
|
#define RT_ASSERT(EX) if (!(EX)) {volatile char dummy=0; rt_kprintf("(%s) assert failed at %s:%d \n", \
|
|
#EX, __FUNCTION__, __LINE__); while (dummy==0);}
|
|
#else
|
|
#define RT_ASSERT(EX)
|
|
#endif
|
|
|
|
/**
|
|
* @def RT_ALIGN(size, align)
|
|
* Return the most contiguous size aligned at specified width. RT_ALIGN(13, 4)
|
|
* would equal to 16. It is needed in some critical contexts.
|
|
*/
|
|
#define RT_ALIGN(size, align) (((size) + (align) - 1) & ~((align)-1))
|
|
|
|
/**
|
|
* @def RT_NULL
|
|
* Similar as the \c NULL in C library.
|
|
*/
|
|
#define RT_NULL ((void *)0)
|
|
|
|
struct rt_list_node
|
|
{
|
|
struct rt_list_node *next; /* point to next node. */
|
|
struct rt_list_node *prev; /* point to prev node. */
|
|
};
|
|
typedef struct rt_list_node rt_list_t; /* Type for lists. */
|
|
|
|
/**
|
|
* @addtogroup KernelObject
|
|
*/
|
|
/*@{*/
|
|
/*
|
|
* Base structure of Kernel object
|
|
*/
|
|
struct rt_object
|
|
{
|
|
/* name of kernel object */
|
|
char name[RT_NAME_MAX];
|
|
/* type of kernel object */
|
|
rt_uint8_t type;
|
|
/* flag of kernel object */
|
|
rt_uint8_t flag;
|
|
/* list pointer of kernel object */
|
|
rt_list_t list;
|
|
};
|
|
typedef struct rt_object* rt_object_t; /* Type for kernel objects. */
|
|
|
|
/**
|
|
* The object type can be one of the follows with specific
|
|
* macros enabled:
|
|
* - Thread
|
|
* - Process
|
|
* - Semaphore
|
|
* - Mutex
|
|
* - Event
|
|
* - MailBox
|
|
* - MessageQueue
|
|
* - MemPool
|
|
* - Device
|
|
* - Timer
|
|
* - Unknown
|
|
* - Static
|
|
*/
|
|
enum rt_object_class_type
|
|
{
|
|
RT_Object_Class_Thread = 0, /* The object is a thread. */
|
|
#ifdef RT_USING_SEMAPHORE
|
|
RT_Object_Class_Semaphore, /* The object is a semaphore. */
|
|
#endif
|
|
#ifdef RT_USING_MUTEX
|
|
RT_Object_Class_Mutex, /* The object is a mutex. */
|
|
#endif
|
|
#ifdef RT_USING_EVENT
|
|
RT_Object_Class_Event, /* The object is a event. */
|
|
#endif
|
|
#ifdef RT_USING_MAILBOX
|
|
RT_Object_Class_MailBox, /* The object is a mail box. */
|
|
#endif
|
|
#ifdef RT_USING_MESSAGEQUEUE
|
|
RT_Object_Class_MessageQueue, /* The object is a message queue. */
|
|
#endif
|
|
#ifdef RT_USING_MEMPOOL
|
|
RT_Object_Class_MemPool, /* The object is a memory pool. */
|
|
#endif
|
|
#ifdef RT_USING_DEVICE
|
|
RT_Object_Class_Device, /* The object is a device */
|
|
#endif
|
|
RT_Object_Class_Timer, /* The object is a timer. */
|
|
#ifdef RT_USING_MODULE
|
|
RT_Object_Class_Module, /* The object is a module. */
|
|
#endif
|
|
RT_Object_Class_Unknown, /* The object is unknown. */
|
|
RT_Object_Class_Static = 0x80 /* The object is a static object. */
|
|
};
|
|
|
|
/*
|
|
* the information of the kernel object
|
|
*/
|
|
struct rt_object_information
|
|
{
|
|
enum rt_object_class_type type; /* object class type. */
|
|
rt_list_t object_list; /* object list. */
|
|
rt_size_t object_size; /* object size. */
|
|
};
|
|
/*@}*/
|
|
|
|
/**
|
|
* @addtogroup Clock
|
|
*/
|
|
/*@{*/
|
|
|
|
/*
|
|
* clock & timer macros
|
|
*/
|
|
#define RT_TIMER_FLAG_DEACTIVATED 0x0 /* timer is deactive. */
|
|
#define RT_TIMER_FLAG_ACTIVATED 0x1 /* timer is active. */
|
|
#define RT_TIMER_FLAG_ONE_SHOT 0x0 /* one shot timer. */
|
|
#define RT_TIMER_FLAG_PERIODIC 0x2 /* periodic timer. */
|
|
|
|
#define RT_TIMER_FLAG_HARD_TIMER 0x0 /* hard timer,the timer's callback function will be called in tick isr. */
|
|
#define RT_TIMER_FLAG_SOFT_TIMER 0x4 /* soft timer,the timer's callback function will be called in timer thread. */
|
|
|
|
#define RT_TIMER_CTRL_SET_TIME 0x0 /* set timer. */
|
|
#define RT_TIMER_CTRL_GET_TIME 0x1 /* get timer. */
|
|
#define RT_TIMER_CTRL_SET_ONESHOT 0x2 /* change timer to one shot. */
|
|
#define RT_TIMER_CTRL_SET_PERIODIC 0x3 /* change timer to periodic. */
|
|
|
|
/*
|
|
* timer structure
|
|
*
|
|
*/
|
|
struct rt_timer
|
|
{
|
|
struct rt_object parent;
|
|
|
|
rt_list_t list; /* the node of timer list. */
|
|
|
|
void (*timeout_func)(void* parameter); /* timeout function. */
|
|
void *parameter; /* timeout function's parameter. */
|
|
|
|
rt_tick_t init_tick; /* timer timeout tick. */
|
|
rt_tick_t timeout_tick; /* timeout tick. */
|
|
};
|
|
typedef struct rt_timer* rt_timer_t;
|
|
/*@}*/
|
|
|
|
/**
|
|
* @addtogroup Thread
|
|
*/
|
|
/*@{*/
|
|
|
|
/*
|
|
* Thread
|
|
*/
|
|
|
|
/* thread state definitions */
|
|
#define RT_THREAD_RUNNING 0x0 /* Running. */
|
|
#define RT_THREAD_READY 0x1 /* Ready. */
|
|
#define RT_THREAD_SUSPEND 0x2 /* Suspend. */
|
|
#define RT_THREAD_BLOCK RT_THREAD_SUSPEND /* Blocked. */
|
|
#define RT_THREAD_CLOSE 0x3 /* Closed. */
|
|
#define RT_THREAD_INIT RT_THREAD_CLOSE /* Inited. */
|
|
|
|
#define RT_THREAD_FLAGS_TIMERSLICE 0x01
|
|
|
|
#define RT_THREAD_CTRL_STARTUP 0x00 /* Starup thread. */
|
|
#define RT_THREAD_CTRL_CLOSE 0x01 /* Close thread. */
|
|
#define RT_THREAD_CTRL_CHANGE_PRIORITY 0x02 /* Change thread priority. */
|
|
#define RT_THREAD_CTRL_INFO 0x03 /* Get thread information. */
|
|
|
|
typedef struct rt_thread* rt_thread_t;
|
|
typedef struct rt_module* rt_module_t;
|
|
|
|
/*
|
|
* Thread related structure
|
|
*/
|
|
struct rt_thread
|
|
{
|
|
/* rt object */
|
|
char name[RT_NAME_MAX]; /* the name of thread */
|
|
rt_uint8_t type; /* type of object */
|
|
rt_uint8_t flags; /* thread's flags */
|
|
|
|
rt_list_t list; /* the object list */
|
|
|
|
rt_thread_t tid; /* the thread id */
|
|
rt_list_t tlist; /* the thread list */
|
|
|
|
/* stack point and entry */
|
|
void* sp; /* stack point */
|
|
void* entry; /* entry */
|
|
void* parameter; /* parameter */
|
|
void* stack_addr; /* stack address */
|
|
rt_uint16_t stack_size; /* stack size */
|
|
|
|
/* error code */
|
|
rt_err_t error; /* error code */
|
|
|
|
/* priority */
|
|
rt_uint8_t current_priority; /* current priority */
|
|
rt_uint8_t init_priority; /* initialized priority */
|
|
#if RT_THREAD_PRIORITY_MAX > 32
|
|
rt_uint8_t number;
|
|
rt_uint8_t high_mask;
|
|
#endif
|
|
rt_uint32_t number_mask;
|
|
|
|
#if defined(RT_USING_EVENT)
|
|
/* thread event */
|
|
rt_uint32_t event_set;
|
|
rt_uint8_t event_info;
|
|
#endif
|
|
|
|
rt_uint8_t stat; /* thread stat */
|
|
|
|
rt_ubase_t init_tick; /* thread's tick */
|
|
rt_ubase_t remaining_tick; /* remaining tick */
|
|
|
|
struct rt_timer thread_timer; /* thread timer */
|
|
|
|
#ifdef RT_USING_MODULE
|
|
rt_module_t module_parent; /* module parent */
|
|
#endif
|
|
|
|
rt_uint32_t user_data; /* user data */
|
|
};
|
|
/*@}*/
|
|
|
|
#ifdef RT_USING_MODULE
|
|
struct rt_module
|
|
{
|
|
/* inherit from object */
|
|
struct rt_object parent;
|
|
|
|
rt_uint32_t module_data;
|
|
void* module_space;
|
|
|
|
void* module_entry;
|
|
rt_uint32_t stack_size;
|
|
rt_uint32_t thread_priority;
|
|
rt_thread_t module_thread;
|
|
|
|
/* module memory pool */
|
|
rt_uint32_t mempool_size;
|
|
void* module_mempool;
|
|
|
|
/* object in this module, module object is the last basic object type */
|
|
struct rt_object_information module_object[RT_Object_Class_Module];
|
|
};
|
|
#endif
|
|
|
|
/**
|
|
* @addtogroup IPC
|
|
*/
|
|
/*@{*/
|
|
/*
|
|
* ipc & sync
|
|
*/
|
|
#define RT_IPC_FLAG_FIFO 0x00 /* FIFOed IPC. @ref IPC. */
|
|
#define RT_IPC_FLAG_PRIO 0x01 /* PRIOed IPC. @ref IPC. */
|
|
|
|
#define RT_WAITING_FOREVER -1 /* Block forever until get resource. */
|
|
#define RT_WAITING_NO 0 /* Non-block. */
|
|
|
|
/*
|
|
* Base structure of IPC object
|
|
*/
|
|
struct rt_ipc_object
|
|
{
|
|
struct rt_object parent;
|
|
|
|
rt_list_t suspend_thread; /* threads pended on this resource. */
|
|
};
|
|
|
|
#ifdef RT_USING_SEMAPHORE
|
|
/*
|
|
* semaphore
|
|
*
|
|
* Binary and counter semaphore are both supported.
|
|
*/
|
|
struct rt_semaphore
|
|
{
|
|
struct rt_ipc_object parent;
|
|
|
|
rt_ubase_t value; /* value of semaphore. */
|
|
};
|
|
typedef struct rt_semaphore* rt_sem_t;
|
|
#endif
|
|
|
|
#ifdef RT_USING_MUTEX
|
|
/*
|
|
* mutex
|
|
*/
|
|
struct rt_mutex
|
|
{
|
|
struct rt_ipc_object parent;
|
|
|
|
rt_ubase_t value; /* value of mutex. */
|
|
|
|
struct rt_thread *owner; /* current owner of mutex. */
|
|
rt_uint8_t original_priority; /* priority of last thread hold the mutex. */
|
|
|
|
rt_ubase_t hold; /* numbers of thread hold the mutex. */
|
|
};
|
|
typedef struct rt_mutex* rt_mutex_t;
|
|
#endif
|
|
|
|
#if defined(RT_USING_EVENT)
|
|
#define RT_EVENT_FLAG_AND 0x01
|
|
#define RT_EVENT_FLAG_OR 0x02
|
|
#define RT_EVENT_FLAG_CLEAR 0x04
|
|
#endif
|
|
|
|
#ifdef RT_USING_EVENT
|
|
/*
|
|
* event
|
|
*/
|
|
struct rt_event
|
|
{
|
|
struct rt_ipc_object parent;
|
|
|
|
rt_uint32_t set; /* event set. */
|
|
};
|
|
typedef struct rt_event* rt_event_t;
|
|
#endif
|
|
|
|
#ifdef RT_USING_MAILBOX
|
|
/*
|
|
* mailbox
|
|
*
|
|
*/
|
|
struct rt_mailbox
|
|
{
|
|
struct rt_ipc_object parent;
|
|
|
|
rt_uint32_t* msg_pool; /* start address of message buffer. */
|
|
|
|
rt_size_t size; /* size of message pool. */
|
|
|
|
rt_ubase_t entry; /* index of messages in msg_pool. */
|
|
rt_ubase_t in_offset, out_offset; /* in/output offset of the message buffer. */
|
|
};
|
|
typedef struct rt_mailbox* rt_mailbox_t;
|
|
#endif
|
|
|
|
#ifdef RT_USING_MESSAGEQUEUE
|
|
/*
|
|
* messagequeue
|
|
*/
|
|
struct rt_messagequeue
|
|
{
|
|
struct rt_ipc_object parent;
|
|
|
|
void* msg_pool; /* start address of message queue. */
|
|
|
|
rt_size_t msg_size; /* message size of each message. */
|
|
rt_size_t max_msgs; /* max number of messages. */
|
|
|
|
void* msg_queue_head; /* list head. */
|
|
void* msg_queue_tail; /* list tail. */
|
|
void* msg_queue_free; /* pointer indicated the free node of queue. */
|
|
|
|
rt_ubase_t entry; /* index of messages in the queue. */
|
|
};
|
|
typedef struct rt_messagequeue* rt_mq_t;
|
|
#endif
|
|
/*@}*/
|
|
|
|
/**
|
|
* @addtogroup MM
|
|
*/
|
|
/*@{*/
|
|
/*
|
|
* memory management
|
|
* heap & partition
|
|
*/
|
|
#ifdef RT_USING_MEMPOOL
|
|
/*
|
|
* Base structure of Memory pool object
|
|
*/
|
|
struct rt_mempool
|
|
{
|
|
struct rt_object parent;
|
|
|
|
void *start_address; /* memory pool start */
|
|
rt_size_t size; /* size of memory pool */
|
|
|
|
rt_size_t block_size; /* size of memory blocks */
|
|
rt_uint8_t *block_list; /* memory blocks list */
|
|
|
|
rt_size_t block_total_count; /* numbers of memory block */
|
|
rt_size_t block_free_count; /* numbers of free memory block */
|
|
|
|
rt_list_t suspend_thread; /* threads pended on this resource */
|
|
rt_size_t suspend_thread_count; /* numbers of thread pended on this resource */
|
|
};
|
|
typedef struct rt_mempool* rt_mp_t;
|
|
#endif
|
|
/*@}*/
|
|
|
|
#ifdef RT_USING_DEVICE
|
|
/**
|
|
* @addtogroup Device
|
|
*/
|
|
/*@{*/
|
|
|
|
/*
|
|
* device (I/O) system
|
|
*/
|
|
enum rt_device_class_type
|
|
{
|
|
RT_Device_Class_Char = 0, /* character device */
|
|
RT_Device_Class_Block, /* block device */
|
|
RT_Device_Class_NetIf, /* net interface */
|
|
RT_Device_Class_MTD, /* memory device */
|
|
RT_Device_Class_CAN, /* CAN device */
|
|
RT_Device_Class_RTC, /* RTC device */
|
|
RT_Device_Class_Sound, /* Sound device */
|
|
RT_Device_Class_Unknown /* unknown device */
|
|
};
|
|
|
|
/* device flags */
|
|
#define RT_DEVICE_FLAG_DEACTIVATE 0x000 /* not inited */
|
|
|
|
#define RT_DEVICE_FLAG_RDONLY 0x001 /* read only */
|
|
#define RT_DEVICE_FLAG_WRONLY 0x002 /* write only */
|
|
#define RT_DEVICE_FLAG_RDWR 0x003 /* read and write */
|
|
|
|
#define RT_DEVICE_FLAG_REMOVABLE 0x004 /* removable device */
|
|
#define RT_DEVICE_FLAG_STANDALONE 0x008 /* standalone device */
|
|
#define RT_DEVICE_FLAG_ACTIVATED 0x010 /* device is activated */
|
|
#define RT_DEVICE_FLAG_SUSPENDED 0x020 /* device is suspended */
|
|
#define RT_DEVICE_FLAG_STREAM 0x040 /* stream mode */
|
|
|
|
#define RT_DEVICE_FLAG_INT_RX 0x100 /* INT mode on Rx */
|
|
#define RT_DEVICE_FLAG_DMA_RX 0x200 /* DMA mode on Rx */
|
|
#define RT_DEVICE_FLAG_INT_TX 0x400 /* INT mode on Tx */
|
|
#define RT_DEVICE_FLAG_DMA_TX 0x800 /* DMA mode on Tx */
|
|
|
|
#define RT_DEVICE_OFLAG_CLOSE 0x000 /* device is closed */
|
|
#define RT_DEVICE_OFLAG_RDONLY 0x001 /* read only access */
|
|
#define RT_DEVICE_OFLAG_WRONLY 0x002 /* write only access */
|
|
#define RT_DEVICE_OFLAG_RDWR 0x003 /* read and write */
|
|
#define RT_DEVICE_OFLAG_OPEN 0x008 /* device is opened */
|
|
|
|
/* general device commands */
|
|
#define RT_DEVICE_CTRL_RESUME 0x01 /* resume device */
|
|
#define RT_DEVICE_CTRL_SUSPEND 0x02 /* suspend device */
|
|
|
|
/* special device commands */
|
|
#define RT_DEVICE_CTRL_CHAR_STREAM 0x10 /* stream mode on char device */
|
|
#define RT_DEVICE_CTRL_BLK_GETGEOME 0x10 /* get geometry information */
|
|
#define RT_DEVICE_CTRL_NETIF_GETMAC 0x10 /* get mac address */
|
|
#define RT_DEVICE_CTRL_MTD_FORMAT 0x10 /* format a MTD device */
|
|
#define RT_DEVICE_CTRL_RTC_GET_TIME 0x10 /* get time */
|
|
#define RT_DEVICE_CTRL_RTC_SET_TIME 0x11 /* set time */
|
|
|
|
typedef struct rt_device* rt_device_t;
|
|
/*
|
|
* Device related structure
|
|
*/
|
|
struct rt_device
|
|
{
|
|
struct rt_object parent;
|
|
|
|
/* device type */
|
|
enum rt_device_class_type type;
|
|
/* device flag and device open flag*/
|
|
rt_uint16_t flag, open_flag;
|
|
|
|
/* device call back */
|
|
rt_err_t (*rx_indicate)(rt_device_t dev, rt_size_t size);
|
|
rt_err_t (*tx_complete)(rt_device_t dev, void* buffer);
|
|
|
|
/* common device interface */
|
|
rt_err_t (*init) (rt_device_t dev);
|
|
rt_err_t (*open) (rt_device_t dev, rt_uint16_t oflag);
|
|
rt_err_t (*close) (rt_device_t dev);
|
|
rt_size_t (*read) (rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size);
|
|
rt_size_t (*write) (rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size);
|
|
rt_err_t (*control)(rt_device_t dev, rt_uint8_t cmd, void *args);
|
|
|
|
#ifdef RT_USING_DEVICE_SUSPEND
|
|
rt_err_t (*suspend) (rt_device_t dev);
|
|
rt_err_t (*resumed) (rt_device_t dev);
|
|
#endif
|
|
|
|
/* device private data */
|
|
void* private;
|
|
};
|
|
|
|
/*@}*/
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|