633 lines
16 KiB
C
633 lines
16 KiB
C
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/*
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* File : rtdef.h
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2006, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://openlab.rt-thread.com/license/LICENSE.
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*
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* Change Logs:
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* Date Author Notes
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* 2007-01-10 Bernard the first version
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* 2008-07-12 Bernard remove all rt_int8, rt_uint32_t etc typedef
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*/
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#ifndef __RT_DEF_H__
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#define __RT_DEF_H__
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#include <rtconfig.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef signed char rt_int8_t;
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typedef signed short rt_int16_t;
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typedef signed long rt_int32_t;
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typedef unsigned char rt_uint8_t;
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typedef unsigned short rt_uint16_t;
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typedef unsigned long rt_uint32_t;
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typedef int rt_bool_t;
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#define RT_UINT8_MAX 0xff
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#define RT_UINT16_MAX 0xffff
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#define RT_UINT32_MAX 0xffffffff
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/* 32bit CPU */
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typedef long rt_base_t;
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typedef unsigned long rt_ubase_t;
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/* RT-Thread bool type definitions */
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#define RT_TRUE 1
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#define RT_FALSE 0
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#ifdef __CC_ARM /* ARM Compiler */
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#include <stdarg.h>
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#define SECTION(x) __attribute__((section(x)))
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#define UNUSED __attribute__((unused))
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#define rt_inline static __inline
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#elif defined (__ICCARM__) /* for IAR Compiler */
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#include <stdarg.h>
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#define SECTION(x) @ x
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#define UNUSED
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#define rt_inline inline
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#elif defined (__GNUC__) /* GNU GCC Compiler */
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#ifdef RT_USING_NEWLIB
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#include <stdarg.h>
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#else
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typedef void *__sys_va_list;
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typedef __sys_va_list va_list;
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#define __va_rounded_size(type) \
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(((sizeof (type) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
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#define va_start(ap, lastarg) \
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(ap = ((char *) &(lastarg) + __va_rounded_size(lastarg)))
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#define va_end(ap) ((void)0)
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/* little endian */
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#define va_arg(ap, type) \
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(ap = (__sys_va_list) ((char *) (ap) + __va_rounded_size (type)), \
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*((type *) (void *) ((char *) (ap) - __va_rounded_size (type))))
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#endif
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#define SECTION(x) __attribute__((section(x)))
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#define UNUSED __attribute__((unused))
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#define rt_inline static __inline
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#endif
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/* event length */
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#define RT_EVENT_LENGTH 32
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/* memory management option */
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#define RT_MM_PAGE_SIZE 4096
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#define RT_MM_PAGE_MASK (RT_MM_PAGE_SIZE - 1)
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#define RT_MM_PAGE_BITS 12
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/* RT-Thread definitions */
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typedef rt_base_t rt_err_t; /* Type for error number. */
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typedef rt_uint32_t rt_time_t; /* Type for time stamp. */
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typedef rt_uint32_t rt_tick_t; /* Type for tick count. */
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typedef rt_base_t rt_flag_t; /* Type for flags. */
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typedef rt_ubase_t rt_size_t; /* Type for size number. */
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typedef rt_ubase_t rt_dev_t; /* Type for device. */
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typedef rt_uint32_t rt_off_t; /* Type for offset. */
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/* maximun value of base type */
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#define RT_UINT8_MAX 0xff /* Maxium number of UINT8. */
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#define RT_UINT16_MAX 0xffff /* Maxium number of UINT16. */
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#define RT_UINT32_MAX 0xffffffff /* Maxium number of UINT32. */
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/* RT-Thread version information */
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#define RT_VERSION 3
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#define RT_SUBVERSION 0
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/**
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* @addtogroup Error
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*/
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/*@{*/
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/* RT-Thread error code definitions */
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#define RT_EOK 0 /* There is no error */
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#define RT_ERROR 1 /* A generic error happens */
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#define RT_ETIMEOUT 2 /* Timed out */
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#define RT_EFULL 3 /* The resource is full */
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#define RT_EEMPTY 4 /* The resource is empty */
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#define RT_ENOMEM 5 /* No memory */
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#define RT_ENOSYS 6 /* No system */
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#define RT_EBUSY 7 /* Busy */
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/*@}*/
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#ifdef RT_DEBUG
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#define RT_ASSERT(EX) if (!(EX)) { rt_kprintf("(%s) assert failed at %s:%d \n", #EX, __FUNCTION__, __LINE__); while (1);}
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#else
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#define RT_ASSERT(EX)
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#endif
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/**
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* @def RT_ALIGN(size, align)
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* Return the most contiguous size aligned at specified width. RT_ALIGN(13, 4)
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* would equal to 16. It is needed in some critical contexts.
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*/
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#define RT_ALIGN(size, align) (((size) + (align) - 1) & ~((align)-1))
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/**
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* @def RT_NULL
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* Similar as the \c NULL in C library.
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*/
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#define RT_NULL ((void *)0)
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struct rt_list_node
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{
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struct rt_list_node *next; /* point to next node. */
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struct rt_list_node *prev; /* point to prev node. */
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};
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typedef struct rt_list_node rt_list_t; /* Type for lists. */
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/**
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* @addtogroup KernelObject
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*/
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/*@{*/
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/*
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* Base structure of Kernel object
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*/
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struct rt_object
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{
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/* name of kernel object */
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char name[RT_NAME_MAX];
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/* type of kernel object */
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rt_uint8_t type;
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/* flag of kernel object */
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rt_uint8_t flag;
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/* list pointer of kernel object */
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rt_list_t list;
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};
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typedef struct rt_object* rt_object_t; /* Type for kernel objects. */
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/**
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* The object type can be one of the follows with specific
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* macros enabled:
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* - Thread
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* - Process
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* - Semaphore
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* - Mutex
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* - FastEvent
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* - Event
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* - MailBox
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* - MessageQueue
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* - MemPool
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* - Device
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* - Timer
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* - Unknown
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* - Static
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*/
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enum rt_object_class_type
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{
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RT_Object_Class_Thread = 0, /* The object is a thread. */
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#ifdef RT_USING_SEMAPHORE
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RT_Object_Class_Semaphore, /* The object is a semaphore. */
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#endif
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#ifdef RT_USING_MUTEX
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RT_Object_Class_Mutex, /* The object is a mutex. */
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#endif
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#ifdef RT_USING_FASTEVENT
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RT_Object_Class_FastEvent, /* The object is a fast event. */
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#endif
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#ifdef RT_USING_EVENT
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RT_Object_Class_Event, /* The object is a event. */
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#endif
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#ifdef RT_USING_MAILBOX
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RT_Object_Class_MailBox, /* The object is a mail box. */
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#endif
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#ifdef RT_USING_MESSAGEQUEUE
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RT_Object_Class_MessageQueue,/* The object is a message queue. */
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#endif
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#ifdef RT_USING_MEMPOOL
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RT_Object_Class_MemPool, /* The object is a memory pool. */
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#endif
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#ifdef RT_USING_DEVICE
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RT_Object_Class_Device, /* The object is a device */
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#endif
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RT_Object_Class_Timer, /* The object is a timer. */
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#ifdef RT_USING_MODULE
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RT_Object_Class_Module, /* The object is a module. */
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#endif
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RT_Object_Class_Unknown, /* The object is unknown. */
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RT_Object_Class_Static = 0x80/* The object is a static object. */
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};
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/*
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* the information of the kernel object
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*/
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struct rt_object_information
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{
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enum rt_object_class_type type; /* object class type. */
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rt_list_t object_list; /* object list. */
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rt_size_t object_size; /* object size. */
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};
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/*@}*/
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/**
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* @addtogroup Clock
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*/
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/*@{*/
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/*
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* clock & timer macros
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*/
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#define RT_TIMER_FLAG_DEACTIVATED 0x0 /* timer is deactive. */
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#define RT_TIMER_FLAG_ACTIVATED 0x1 /* timer is active. */
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#define RT_TIMER_FLAG_ONE_SHOT 0x0 /* one shot timer. */
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#define RT_TIMER_FLAG_PERIODIC 0x2 /* periodic timer. */
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#define RT_TIMER_CTRL_SET_TIME 0x0 /* set timer. */
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#define RT_TIMER_CTRL_GET_TIME 0x1 /* get timer. */
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#define RT_TIMER_CTRL_SET_ONESHOT 0x2 /* change timer to one shot. */
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#define RT_TIMER_CTRL_SET_PERIODIC 0x3 /* change timer to periodic. */
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/*
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* timer structure
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*
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*/
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struct rt_timer
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{
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struct rt_object parent;
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rt_list_t list; /* the node of timer list. */
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void (*timeout_func)(void* parameter);/* timeout function. */
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void *parameter; /* timeout function's parameter. */
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rt_tick_t init_tick; /* timer timeout tick. */
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rt_tick_t timeout_tick; /* timeout tick. */
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};
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typedef struct rt_timer* rt_timer_t;
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/*@}*/
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/**
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* @addtogroup Thread
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*/
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/*@{*/
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/*
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* Thread
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*/
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/* thread state definitions */
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#define RT_THREAD_RUNNING 0x0 /* Running. */
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#define RT_THREAD_READY 0x1 /* Ready. */
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#define RT_THREAD_SUSPEND 0x2 /* Suspend. */
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#define RT_THREAD_BLOCK RT_THREAD_SUSPEND /* Blocked. */
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#define RT_THREAD_CLOSE 0x3 /* Closed. */
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#define RT_THREAD_INIT RT_THREAD_CLOSE /* Inited. */
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#define RT_THREAD_FLAGS_TIMERSLICE 0x01
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#define RT_THREAD_CTRL_STARTUP 0x00 /* Starup thread. */
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#define RT_THREAD_CTRL_CLOSE 0x01 /* Close thread. */
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#define RT_THREAD_CTRL_CHANGE_PRIORITY 0x02 /* Change thread priority. */
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#define RT_THREAD_CTRL_INFO 0x03 /* Get thread information. */
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typedef struct rt_thread* rt_thread_t;
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typedef struct rt_module* rt_module_t;
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/*
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* Thread related structure
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*/
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struct rt_thread
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{
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/* rt object */
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char name[RT_NAME_MAX]; /* the name of thread */
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rt_uint8_t type; /* type of object */
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rt_uint8_t flags; /* thread's flags */
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rt_list_t list; /* the object list */
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rt_thread_t tid; /* the thread id */
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rt_list_t tlist; /* the thread list */
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/* stack point and entry */
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void* sp; /* stack point */
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void* entry; /* entry */
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void* parameter; /* parameter */
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void* stack_addr; /* stack address */
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rt_uint16_t stack_size; /* stack size */
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/* error code */
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rt_err_t error; /* error code */
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/* priority */
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rt_uint8_t current_priority; /* current priority */
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rt_uint8_t init_priority; /* initialized priority */
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#if RT_THREAD_PRIORITY_MAX > 32
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rt_uint8_t number;
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rt_uint8_t high_mask;
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#endif
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rt_uint32_t number_mask;
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#if defined(RT_USING_EVENT) || defined(RT_USING_FASTEVENT)
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/* thread event */
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rt_uint32_t event_set;
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rt_uint8_t event_info;
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#endif
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rt_uint8_t stat; /* thread stat */
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rt_ubase_t init_tick; /* thread's tick */
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rt_ubase_t remaining_tick; /* remaining tick */
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struct rt_timer thread_timer; /* thread timer */
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#ifdef RT_USING_MODULE
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rt_module_t module_parent; /* module parent */
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#endif
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rt_uint32_t user_data; /* user data */
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};
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/*@}*/
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#ifdef RT_USING_MODULE
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struct rt_module
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{
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/* inherit from object */
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struct rt_object parent;
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rt_uint32_t module_data;
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void* module_space;
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void* module_entry;
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rt_uint32_t stack_size;
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rt_uint32_t thread_priority;
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rt_thread_t module_thread;
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/* module memory pool */
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rt_uint32_t mempool_size;
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void* module_mempool;
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/* object in this module, module object is the last basic object type */
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struct rt_object_information module_object[RT_Object_Class_Module];
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};
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#endif
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/**
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* @addtogroup IPC
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*/
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/*@{*/
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/*
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* ipc & sync
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*/
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#define RT_IPC_FLAG_FIFO 0x00 /* FIFOed IPC. @ref IPC. */
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#define RT_IPC_FLAG_PRIO 0x01 /* PRIOed IPC. @ref IPC. */
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#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. */
|
||
|
|
rt_uint32_t suspend_thread_count; /* numbers of thread 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_base_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_base_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_base_t hold; /* numbers of thread hold the mutex. Only 0 or 1 is legal. */
|
||
|
|
};
|
||
|
|
typedef struct rt_mutex* rt_mutex_t;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(RT_USING_EVENT) || defined(RT_USING_FASTEVENT)
|
||
|
|
#define RT_EVENT_FLAG_AND 0x01
|
||
|
|
#define RT_EVENT_FLAG_OR 0x02
|
||
|
|
#define RT_EVENT_FLAG_CLEAR 0x04
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef RT_USING_FASTEVENT
|
||
|
|
/*
|
||
|
|
* fast_event
|
||
|
|
*/
|
||
|
|
struct rt_fast_event
|
||
|
|
{
|
||
|
|
struct rt_object parent;
|
||
|
|
|
||
|
|
rt_uint32_t set; /* event set. */
|
||
|
|
|
||
|
|
rt_list_t thread_list[RT_EVENT_LENGTH]; /* threads blocked on this resource. */
|
||
|
|
};
|
||
|
|
typedef struct rt_fast_event* rt_fast_event_t;
|
||
|
|
#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_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
|