706 lines
21 KiB
C
706 lines
21 KiB
C
/*
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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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* 2010-10-26 yi.qiu add module support
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* 2010-11-10 Bernard add cleanup callback function in thread exit.
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* 2011-05-09 Bernard use builtin va_arg in GCC 4.x
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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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/**
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* @addtogroup BasicDef
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*/
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/*@{*/
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/**
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* RT-Thread version information
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*/
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#define RT_VERSION 4L /**< major version number */
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#define RT_SUBVERSION 0L /**< minor version number */
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/**
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* RT-Thread basic data type definitions
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*/
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typedef signed char rt_int8_t; /**< 8bit integer type */
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typedef signed short rt_int16_t; /**< 16bit integer type */
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typedef signed long rt_int32_t; /**< 32bit integer type */
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typedef unsigned char rt_uint8_t; /**< 8bit unsigned integer type */
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typedef unsigned short rt_uint16_t; /**< 16bit unsigned integer type */
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typedef unsigned long rt_uint32_t; /**< 32bit unsigned integer type */
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typedef int rt_bool_t; /**< boolean type */
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/* 32bit CPU */
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typedef long rt_base_t; /**< Nbit CPU related date type */
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typedef unsigned long rt_ubase_t; /**< Nbit unsigned CPU related data type */
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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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/**
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* boolean type definitions
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*/
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#define RT_TRUE 1 /**< boolean true */
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#define RT_FALSE 0 /**< boolean fails */
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/*@}*/
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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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#define RT_TICK_MAX RT_UINT32_MAX /* Maxium number of tick */
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/* Compiler Related Definitions */
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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 ALIGN(n) __attribute__((aligned(n)))
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#define rt_inline static __inline
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/* module compiling */
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#ifdef RT_USING_MODULE
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#define RTT_API __declspec(dllimport)
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#else
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#define RTT_API __declspec(dllexport)
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#endif
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#elif defined (__IAR_SYSTEMS_ICC__) /* 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 PRAGMA(x) _Pragma(#x)
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#define ALIGN(n) PRAGMA(data_alignment=n)
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#define rt_inline static inline
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#define RTT_API
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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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#if __GNUC__ < 4
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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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#else
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typedef __builtin_va_list __gnuc_va_list;
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typedef __gnuc_va_list va_list;
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#define va_start(v,l) __builtin_va_start(v,l)
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#define va_end(v) __builtin_va_end(v)
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#define va_arg(v,l) __builtin_va_arg(v,l)
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#endif
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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 ALIGN(n) __attribute__((aligned(n)))
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#define rt_inline static __inline
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#define RTT_API
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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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/**
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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)) {volatile char dummy=0; rt_kprintf("(%s) assert failed at %s:%d \n", \
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#EX, __FUNCTION__, __LINE__); while (dummy==0);}
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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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* @ingroup BasicDef
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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 return 16.
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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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* @ingroup BasicDef
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*
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* @def RT_ALIGN_DOWN(size, align)
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* Return the down number of aligned at specified width. RT_ALIGN_DOWN(13, 4)
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* would return 12.
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*/
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#define RT_ALIGN_DOWN(size, align) ((size) & ~((align) -1))
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/**
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* @ingroup BasicDef
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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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* kernel object macros
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*/
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#define RT_OBJECT_FLAG_MODULE 0x80 /* is module object. */
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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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char name[RT_NAME_MAX]; /**< name of kernel object */
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rt_uint8_t type; /**< type of kernel object */
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rt_uint8_t flag; /**< flag of kernel object */
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#ifdef RT_USING_MODULE
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void* module_id; /**< id of application module */
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#endif
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rt_list_t list; /**< list node of kernel object */
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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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* - Semaphore
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* - Mutex
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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_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_FLAG_HARD_TIMER 0x0 /**< hard timer,the timer's callback function will be called in tick isr. */
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#define RT_TIMER_FLAG_SOFT_TIMER 0x4 /**< soft timer,the timer's callback function will be called in timer thread. */
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#define RT_TIMER_CTRL_SET_TIME 0x0 /**< set timer control command */
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#define RT_TIMER_CTRL_GET_TIME 0x1 /**< get timer control command */
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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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struct rt_timer
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{
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struct rt_object parent; /**< inherit from rt_object */
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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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/*
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* thread state definitions
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*/
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#define RT_THREAD_INIT 0x00 /**< Initialized status */
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#define RT_THREAD_READY 0x01 /**< Ready status */
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#define RT_THREAD_SUSPEND 0x02 /**< Suspend status */
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#define RT_THREAD_RUNNING 0x03 /**< Running status */
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#define RT_THREAD_BLOCK RT_THREAD_SUSPEND /**< Blocked status */
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#define RT_THREAD_CLOSE 0x04 /**< Closed status */
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/**
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* thread control command definitions
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*/
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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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/**
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* Thread structure
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*
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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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#ifdef RT_USING_MODULE
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void* module_id; /**< id of application module */
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#endif
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rt_list_t list; /**< the object list */
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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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rt_uint8_t stat; /**< thread stat */
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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)
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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_ubase_t init_tick; /**< thread's initialized 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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void (*cleanup)(struct rt_thread* tid); /**< cleanup function when thread exit */
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rt_uint32_t user_data; /**< user data */
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};
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/*@}*/
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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 flags and control command defitions
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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_IPC_CMD_UNKNOWN 0x00 /**< unknown IPC command */
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#define RT_IPC_CMD_RESET 0x01 /**< reset IPC object */
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#define RT_WAITING_FOREVER -1 /**< Block forever until get resource. */
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#define RT_WAITING_NO 0 /**< Non-block. */
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/**
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* Base structure of IPC object
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*/
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struct rt_ipc_object
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{
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struct rt_object parent; /**< inherit from rt_object */
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rt_list_t suspend_thread; /**< threads pended on this resource */
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};
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#ifdef RT_USING_SEMAPHORE
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/**
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* Semaphore structure
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*/
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struct rt_semaphore
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{
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struct rt_ipc_object parent; /**< inherit from ipc_object */
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rt_uint16_t value; /**< value of semaphore. */
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};
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typedef struct rt_semaphore* rt_sem_t;
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#endif
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#ifdef RT_USING_MUTEX
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/**
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* Mutual exclusion (mutex) structure
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*/
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struct rt_mutex
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{
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struct rt_ipc_object parent; /**< inherit from ipc_object */
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rt_uint16_t value; /**< value of mutex */
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rt_uint8_t original_priority; /**< priority of last thread hold the mutex */
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rt_uint8_t hold; /**< numbers of thread hold the mutex */
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struct rt_thread *owner; /**< current owner of mutex */
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};
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typedef struct rt_mutex* rt_mutex_t;
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#endif
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#ifdef RT_USING_EVENT
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/**
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* flag defintions in event
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*/
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#define RT_EVENT_FLAG_AND 0x01 /**< logic and */
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#define RT_EVENT_FLAG_OR 0x02 /**< logic or */
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#define RT_EVENT_FLAG_CLEAR 0x04 /**< clear flag */
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/*
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* event structure
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*/
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struct rt_event
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{
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struct rt_ipc_object parent; /**< inherit from ipc_object */
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rt_uint32_t set; /**< event set */
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};
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typedef struct rt_event* rt_event_t;
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#endif
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#ifdef RT_USING_MAILBOX
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/**
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* mailbox structure
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*
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*/
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struct rt_mailbox
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{
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struct rt_ipc_object parent; /**< inherit from ipc_object */
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rt_uint32_t* msg_pool; /**< start address of message buffer. */
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rt_uint16_t size; /**< size of message pool. */
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rt_uint16_t entry; /**< index of messages in msg_pool. */
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rt_uint16_t in_offset, out_offset; /**< in/output offset of the message buffer. */
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};
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typedef struct rt_mailbox* rt_mailbox_t;
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#endif
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#ifdef RT_USING_MESSAGEQUEUE
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/**
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* message queue structure
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*/
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struct rt_messagequeue
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{
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struct rt_ipc_object parent; /**< inherit from ipc_object */
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void* msg_pool; /**< start address of message queue. */
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rt_uint16_t msg_size; /**< message size of each message. */
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rt_uint16_t max_msgs; /**< max number of messages. */
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rt_uint16_t entry; /**< index of messages in the queue. */
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void* msg_queue_head; /**< list head. */
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void* msg_queue_tail; /**< list tail. */
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void* msg_queue_free; /**< pointer indicated the free node of queue. */
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};
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typedef struct rt_messagequeue* rt_mq_t;
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#endif
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/*@}*/
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/**
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* @addtogroup MM
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*/
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/*@{*/
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/*
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* memory management
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* heap & partition
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*/
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#ifdef RT_USING_MEMPOOL
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/**
|
|
* Base structure of Memory pool object
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|
*/
|
|
struct rt_mempool
|
|
{
|
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struct rt_object parent; /**< inherit from rt_object */
|
|
|
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void *start_address; /**< memory pool start */
|
|
rt_size_t size; /**< size of memory pool */
|
|
|
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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 */
|
|
};
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|
typedef struct rt_mempool* rt_mp_t;
|
|
#endif
|
|
/*@}*/
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|
|
|
#ifdef RT_USING_DEVICE
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|
/**
|
|
* @addtogroup Device
|
|
*/
|
|
/*@{*/
|
|
|
|
/**
|
|
* device (I/O) class type
|
|
*/
|
|
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 defitions
|
|
*/
|
|
#define RT_DEVICE_FLAG_DEACTIVATE 0x000 /**< device is not not initialized */
|
|
|
|
#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 structure
|
|
*/
|
|
struct rt_device
|
|
{
|
|
struct rt_object parent; /**< inherit from rt_object */
|
|
|
|
enum rt_device_class_type type; /**< device type */
|
|
rt_uint16_t flag, open_flag; /**< device flag and device 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
|
|
|
|
void* user_data; /**< device private data */
|
|
};
|
|
|
|
/**
|
|
* block device geometry structure
|
|
*/
|
|
struct rt_device_blk_geometry
|
|
{
|
|
rt_uint32_t sector_count; /**< count of sectors */
|
|
rt_uint32_t bytes_per_sector; /**< number of bytes per sector */
|
|
rt_uint32_t block_size; /**< size to erase one block */
|
|
};
|
|
/*@}*/
|
|
|
|
/**
|
|
* @addtogroup Module
|
|
*/
|
|
/*@{*/
|
|
#ifdef RT_USING_MODULE
|
|
/*
|
|
* module system
|
|
*/
|
|
|
|
#define RT_MODULE_FLAG_WITHENTRY 0x00 /* with entry point */
|
|
#define RT_MODULE_FLAG_WITHOUTENTRY 0x01 /* without entry point */
|
|
|
|
/**
|
|
* Application Module structure
|
|
*/
|
|
struct rt_module
|
|
{
|
|
struct rt_object parent; /**< inherit from object */
|
|
|
|
rt_uint8_t* module_space; /**< module memory space */
|
|
|
|
void* module_entry; /**< entry address of module's thread */
|
|
rt_thread_t module_thread; /**< stack size of module's thread */
|
|
rt_uint32_t stack_size; /**< priority of module's thread */
|
|
rt_uint32_t thread_priority;
|
|
|
|
/* module memory allocator */
|
|
void* mem_list; /**< module's free memory list */
|
|
rt_list_t page_list; /**< module's using page list */
|
|
rt_mp_t mpool; /**< module's memory pool */
|
|
|
|
rt_uint32_t nsym; /**< number of symbol in the module */
|
|
struct rt_module_symtab *symtab; /**< module symbol table */
|
|
|
|
rt_uint32_t nref; /**< reference count */
|
|
|
|
/**< object in this module, module object is the last basic object type */
|
|
struct rt_object_information module_object[RT_Object_Class_Unknown];
|
|
};
|
|
typedef struct rt_module* rt_module_t;
|
|
#endif
|
|
|
|
/*@}*/
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|