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提交 df249c46 编写于 作者: B bernard.xiong@gmail.com
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change RT_NULL from ((void*)0) to 0. 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2422 bbd45198-f89e-11dd-88c7-29a3b14d5316
上级 2eefeab2
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include/rtdef.h
浏览文件 @ df249c46
/*
* File : rtdef.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2007-01-10 Bernard the first version
* 2008-07-12 Bernard remove all rt_int8, rt_uint32_t etc typedef
* 2010-10-26 yi.qiu add module support
* 2010-11-10 Bernard add cleanup callback function in thread exit.
* 2011-05-09 Bernard use builtin va_arg in GCC 4.x
*/
#ifndef __RT_DEF_H__
#define __RT_DEF_H__
#include <rtconfig.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @addtogroup BasicDef
*/
/*@{*/
/* RT-Thread version information */
#define RT_VERSION 1L /**< major version number */
#define RT_SUBVERSION 1L /**< minor version number */
#define RT_REVISION 0L /**< revise version number */
/* RT-Thread version */
#define RTTHREAD_VERSION ((RT_VERSION * 10000) + \
(RT_SUBVERSION * 100) + RT_REVISION)
/* RT-Thread basic data type definitions */
typedef signed char rt_int8_t; /**< 8bit integer type */
typedef signed short rt_int16_t; /**< 16bit integer type */
typedef signed long rt_int32_t; /**< 32bit integer type */
typedef unsigned char rt_uint8_t; /**< 8bit unsigned integer type */
typedef unsigned short rt_uint16_t; /**< 16bit unsigned integer type */
typedef unsigned long rt_uint32_t; /**< 32bit unsigned integer type */
typedef int rt_bool_t; /**< boolean type */
/* 32bit CPU */
typedef long rt_base_t; /**< Nbit CPU related date type */
typedef unsigned long rt_ubase_t; /**< Nbit unsigned CPU related data type */
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_base_t rt_off_t; /**< Type for offset */
/* boolean type definitions */
#define RT_TRUE 1 /**< boolean true */
#define RT_FALSE 0 /**< boolean fails */
/*@}*/
/* maximum 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 */
#define RT_TICK_MAX RT_UINT32_MAX /**< Maxium number of tick */
/* 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 (__IAR_SYSTEMS_ICC__) /* for IAR Compiler */
#include <stdarg.h>
#define SECTION(x) @ x
#define UNUSED
#define PRAGMA(x) _Pragma(#x)
#define ALIGN(n) PRAGMA(data_alignment=n)
#define rt_inline static inline
#define RTT_API
#elif defined (__GNUC__) /* GNU GCC Compiler */
#ifdef RT_USING_NEWLIB
#include <stdarg.h>
#else
#if __GNUC__ < 4
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))))
#else
typedef __builtin_va_list __gnuc_va_list;
typedef __gnuc_va_list va_list;
#define va_start(v,l) __builtin_va_start(v,l)
#define va_end(v) __builtin_va_end(v)
#define va_arg(v,l) __builtin_va_arg(v,l)
#endif
#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 (__ADSPBLACKFIN__) /* for VisualDSP++ 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
#define RTT_API
#elif defined (_MSC_VER)
#include <stdarg.h>
#define SECTION(x)
#define UNUSED
#define ALIGN(n) __declspec(align(n))
#define rt_inline static __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 */
#define RT_EIO 8 /**< IO error */
/*@}*/
/**
* @ingroup BasicDef
*
* @def RT_ALIGN(size, align)
* Return the most contiguous size aligned at specified width. RT_ALIGN(13, 4)
* would return 16.
*/
#define RT_ALIGN(size, align) (((size) + (align) - 1) & ~((align) - 1))
/**
* @ingroup BasicDef
*
* @def RT_ALIGN_DOWN(size, align)
* Return the down number of aligned at specified width. RT_ALIGN_DOWN(13, 4)
* would return 12.
*/
#define RT_ALIGN_DOWN(size, align) ((size) & ~((align) - 1))
/**
* @ingroup BasicDef
*
* @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
*/
/*@{*/
/*
* kernel object macros
*/
#define RT_OBJECT_FLAG_MODULE 0x80 /**< is module object. */
/**
* Base structure of Kernel object
*/
struct rt_object
{
char name[RT_NAME_MAX]; /**< name of kernel object */
rt_uint8_t type; /**< type of kernel object */
rt_uint8_t flag; /**< flag of kernel object */
#ifdef RT_USING_MODULE
void *module_id; /**< id of application module */
#endif
rt_list_t list; /**< list node of kernel object */
};
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
* - Semaphore
* - Mutex
* - Event
* - MailBox
* - MessageQueue
* - MemHeap
* - MemPool
* - Device
* - Timer
* - Module
* - 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_MEMHEAP
RT_Object_Class_MemHeap, /**< The object is a memory heap */
#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 */
};
/**
* The hook function call macro
*/
#ifdef RT_USING_HOOK
#define RT_OBJECT_HOOK_CALL(func, argv) \
do { if ((func) != RT_NULL) func argv; } while (0)
#else
#define RT_OBJECT_HOOK_CALL(func, argv)
#endif
/*@}*/
/**
* @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 control command */
#define RT_TIMER_CTRL_GET_TIME 0x1 /**< get timer control command */
#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; /**< inherit from rt_object */
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_INIT 0x00 /**< Initialized status */
#define RT_THREAD_READY 0x01 /**< Ready status */
#define RT_THREAD_SUSPEND 0x02 /**< Suspend status */
#define RT_THREAD_RUNNING 0x03 /**< Running status */
#define RT_THREAD_BLOCK RT_THREAD_SUSPEND /**< Blocked status */
#define RT_THREAD_CLOSE 0x04 /**< Closed status */
/**
* thread control command definitions
*/
#define RT_THREAD_CTRL_STARTUP 0x00 /**< Startup 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. */
/**
* Thread 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 */
#ifdef RT_USING_MODULE
void *module_id; /**< id of application module */
#endif
rt_list_t list; /**< the object list */
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 */
rt_uint8_t stat; /**< thread stat */
/* 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_ubase_t init_tick; /**< thread's initialized tick */
rt_ubase_t remaining_tick; /**< remaining tick */
struct rt_timer thread_timer; /**< built-in thread timer */
void (*cleanup)(struct rt_thread *tid); /**< cleanup function when thread exit */
rt_uint32_t user_data; /**< private user data beyond this thread */
};
typedef struct rt_thread *rt_thread_t;
/*@}*/
/**
* @addtogroup IPC
*/
/*@{*/
/**
* IPC flags and control command definitions
*/
#define RT_IPC_FLAG_FIFO 0x00 /**< FIFOed IPC. @ref IPC. */
#define RT_IPC_FLAG_PRIO 0x01 /**< PRIOed IPC. @ref IPC. */
#define RT_IPC_CMD_UNKNOWN 0x00 /**< unknown IPC command */
#define RT_IPC_CMD_RESET 0x01 /**< reset IPC object */
#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; /**< inherit from rt_object */
rt_list_t suspend_thread; /**< threads pended on this resource */
};
#ifdef RT_USING_SEMAPHORE
/**
* Semaphore structure
*/
struct rt_semaphore
{
struct rt_ipc_object parent; /**< inherit from ipc_object */
rt_uint16_t value; /**< value of semaphore. */
};
typedef struct rt_semaphore *rt_sem_t;
#endif
#ifdef RT_USING_MUTEX
/**
* Mutual exclusion (mutex) structure
*/
struct rt_mutex
{
struct rt_ipc_object parent; /**< inherit from ipc_object */
rt_uint16_t value; /**< value of mutex */
rt_uint8_t original_priority; /**< priority of last thread hold the mutex */
rt_uint8_t hold; /**< numbers of thread hold the mutex */
struct rt_thread *owner; /**< current owner of mutex */
};
typedef struct rt_mutex *rt_mutex_t;
#endif
#ifdef RT_USING_EVENT
/**
* flag defintions in event
*/
#define RT_EVENT_FLAG_AND 0x01 /**< logic and */
#define RT_EVENT_FLAG_OR 0x02 /**< logic or */
#define RT_EVENT_FLAG_CLEAR 0x04 /**< clear flag */
/*
* event structure
*/
struct rt_event
{
struct rt_ipc_object parent; /**< inherit from ipc_object */
rt_uint32_t set; /**< event set */
};
typedef struct rt_event *rt_event_t;
#endif
#ifdef RT_USING_MAILBOX
/**
* mailbox structure
*/
struct rt_mailbox
{
struct rt_ipc_object parent; /**< inherit from ipc_object */
rt_uint32_t *msg_pool; /**< start address of message buffer */
rt_uint16_t size; /**< size of message pool */
rt_uint16_t entry; /**< index of messages in msg_pool */
rt_uint16_t in_offset; /**< input offset of the message buffer */
rt_uint16_t out_offset; /**< output offset of the message buffer */
rt_list_t suspend_sender_thread; /**< sender thread suspended on this mailbox */
};
typedef struct rt_mailbox *rt_mailbox_t;
#endif
#ifdef RT_USING_MESSAGEQUEUE
/**
* message queue structure
*/
struct rt_messagequeue
{
struct rt_ipc_object parent; /**< inherit from ipc_object */
void *msg_pool; /**< start address of message queue */
rt_uint16_t msg_size; /**< message size of each message */
rt_uint16_t max_msgs; /**< max number of messages */
rt_uint16_t entry; /**< index of messages in the queue */
void *msg_queue_head; /**< list head */
void *msg_queue_tail; /**< list tail */
void *msg_queue_free; /**< pointer indicated the free node of queue */
};
typedef struct rt_messagequeue *rt_mq_t;
#endif
/*@}*/
#ifdef RT_USING_MEMPOOL
/**
* @addtogroup MM
*/
/*@{*/
/*
* memory management
* heap & partition
*/
/**
* memory item on the heap
*/
struct rt_memheap_item
{
rt_uint32_t magic; /**< magic number for memheap */
struct rt_memheap_item *next; /**< next memheap item */
struct rt_memheap_item *prev; /**< prev memheap item */
struct rt_memheap_item *next_free; /**< next free memheap item */
struct rt_memheap_item *prev_free; /**< prev free memheap item */
struct rt_memheap *pool_ptr; /**< point of pool */
};
/**
* Base structure of memory heap object
*/
struct rt_memheap
{
struct rt_object parent; /**< inherit from rt_object */
void *start_addr; /**< pool start address and size */
rt_uint32_t pool_size; /**< pool size */
rt_uint32_t available_size; /**< available size */
struct rt_memheap_item *block_list; /**< used block list */
struct rt_memheap_item *free_list; /**< free block list */
struct rt_memheap_item free_header; /**< free block list header */
struct rt_mutex lock; /**< mutex lock */
};
/**
* Base structure of Memory pool object
*/
struct rt_mempool
{
struct rt_object parent; /**< inherit from rt_object */
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) 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_Graphic, /**< Graphic device */
RT_Device_Class_I2CBUS, /**< I2C bus device */
RT_Device_Class_USBDevice, /**< USB slave device */
RT_Device_Class_USBHost, /**< USB host bus */
RT_Device_Class_SPIBUS, /**< SPI bus device */
RT_Device_Class_SPIDevice, /**< SPI device */
RT_Device_Class_SDIO, /**< SDIO bus device */
RT_Device_Class_PM, /**< PM pseudo 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_BLK_SYNC 0x11 /**< flush data to block device */
#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 */
/*
* File : rtdef.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2007-01-10 Bernard the first version
* 2008-07-12 Bernard remove all rt_int8, rt_uint32_t etc typedef
* 2010-10-26 yi.qiu add module support
* 2010-11-10 Bernard add cleanup callback function in thread exit.
* 2011-05-09 Bernard use builtin va_arg in GCC 4.x
* 2012-11-16 Bernard change RT_NULL from ((void*)0) to 0.
*/
#ifndef __RT_DEF_H__
#define __RT_DEF_H__
#include <rtconfig.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @addtogroup BasicDef
*/
/*@{*/
/* RT-Thread version information */
#define RT_VERSION 1L /**< major version number */
#define RT_SUBVERSION 1L /**< minor version number */
#define RT_REVISION 0L /**< revise version number */
/* RT-Thread version */
#define RTTHREAD_VERSION ((RT_VERSION * 10000) + \
(RT_SUBVERSION * 100) + RT_REVISION)
/* RT-Thread basic data type definitions */
typedef signed char rt_int8_t; /**< 8bit integer type */
typedef signed short rt_int16_t; /**< 16bit integer type */
typedef signed long rt_int32_t; /**< 32bit integer type */
typedef unsigned char rt_uint8_t; /**< 8bit unsigned integer type */
typedef unsigned short rt_uint16_t; /**< 16bit unsigned integer type */
typedef unsigned long rt_uint32_t; /**< 32bit unsigned integer type */
typedef int rt_bool_t; /**< boolean type */
/* 32bit CPU */
typedef long rt_base_t; /**< Nbit CPU related date type */
typedef unsigned long rt_ubase_t; /**< Nbit unsigned CPU related data type */
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_base_t rt_off_t; /**< Type for offset */
/* boolean type definitions */
#define RT_TRUE 1 /**< boolean true */
#define RT_FALSE 0 /**< boolean fails */
/*@}*/
/* maximum 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 */
#define RT_TICK_MAX RT_UINT32_MAX /**< Maxium number of tick */
/* 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 (__IAR_SYSTEMS_ICC__) /* for IAR Compiler */
#include <stdarg.h>
#define SECTION(x) @ x
#define UNUSED
#define PRAGMA(x) _Pragma(#x)
#define ALIGN(n) PRAGMA(data_alignment=n)
#define rt_inline static inline
#define RTT_API
#elif defined (__GNUC__) /* GNU GCC Compiler */
#ifdef RT_USING_NEWLIB
#include <stdarg.h>
#else
#if __GNUC__ < 4
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))))
#else
typedef __builtin_va_list __gnuc_va_list;
typedef __gnuc_va_list va_list;
#define va_start(v,l) __builtin_va_start(v,l)
#define va_end(v) __builtin_va_end(v)
#define va_arg(v,l) __builtin_va_arg(v,l)
#endif
#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 (__ADSPBLACKFIN__) /* for VisualDSP++ 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
#define RTT_API
#elif defined (_MSC_VER)
#include <stdarg.h>
#define SECTION(x)
#define UNUSED
#define ALIGN(n) __declspec(align(n))
#define rt_inline static __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 */
#define RT_EIO 8 /**< IO error */
/*@}*/
/**
* @ingroup BasicDef
*
* @def RT_ALIGN(size, align)
* Return the most contiguous size aligned at specified width. RT_ALIGN(13, 4)
* would return 16.
*/
#define RT_ALIGN(size, align) (((size) + (align) - 1) & ~((align) - 1))
/**
* @ingroup BasicDef
*
* @def RT_ALIGN_DOWN(size, align)
* Return the down number of aligned at specified width. RT_ALIGN_DOWN(13, 4)
* would return 12.
*/
#define RT_ALIGN_DOWN(size, align) ((size) & ~((align) - 1))
/**
* @ingroup BasicDef
*
* @def RT_NULL
* Similar as the \c NULL in C library.
*/
#define RT_NULL (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
*/
/*@{*/
/*
* kernel object macros
*/
#define RT_OBJECT_FLAG_MODULE 0x80 /**< is module object. */
/**
* Base structure of Kernel object
*/
struct rt_object
{
char name[RT_NAME_MAX]; /**< name of kernel object */
rt_uint8_t type; /**< type of kernel object */
rt_uint8_t flag; /**< flag of kernel object */
#ifdef RT_USING_MODULE
void *module_id; /**< id of application module */
#endif
rt_list_t list; /**< list node of kernel object */
};
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
* - Semaphore
* - Mutex
* - Event
* - MailBox
* - MessageQueue
* - MemHeap
* - MemPool
* - Device
* - Timer
* - Module
* - 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_MEMHEAP
RT_Object_Class_MemHeap, /**< The object is a memory heap */
#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 */
};
/**
* The hook function call macro
*/
#ifdef RT_USING_HOOK
#define RT_OBJECT_HOOK_CALL(func, argv) \
do { if ((func) != RT_NULL) func argv; } while (0)
#else
#define RT_OBJECT_HOOK_CALL(func, argv)
#endif
/*@}*/
/**
* @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 control command */
#define RT_TIMER_CTRL_GET_TIME 0x1 /**< get timer control command */
#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; /**< inherit from rt_object */
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_INIT 0x00 /**< Initialized status */
#define RT_THREAD_READY 0x01 /**< Ready status */
#define RT_THREAD_SUSPEND 0x02 /**< Suspend status */
#define RT_THREAD_RUNNING 0x03 /**< Running status */
#define RT_THREAD_BLOCK RT_THREAD_SUSPEND /**< Blocked status */
#define RT_THREAD_CLOSE 0x04 /**< Closed status */
/**
* thread control command definitions
*/
#define RT_THREAD_CTRL_STARTUP 0x00 /**< Startup 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. */
/**
* Thread 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 */
#ifdef RT_USING_MODULE
void *module_id; /**< id of application module */
#endif
rt_list_t list; /**< the object list */
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 */
rt_uint8_t stat; /**< thread stat */
/* 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_ubase_t init_tick; /**< thread's initialized tick */
rt_ubase_t remaining_tick; /**< remaining tick */
struct rt_timer thread_timer; /**< built-in thread timer */
void (*cleanup)(struct rt_thread *tid); /**< cleanup function when thread exit */
rt_uint32_t user_data; /**< private user data beyond this thread */
};
typedef struct rt_thread *rt_thread_t;
/*@}*/
/**
* @addtogroup IPC
*/
/*@{*/
/**
* IPC flags and control command definitions
*/
#define RT_IPC_FLAG_FIFO 0x00 /**< FIFOed IPC. @ref IPC. */
#define RT_IPC_FLAG_PRIO 0x01 /**< PRIOed IPC. @ref IPC. */
#define RT_IPC_CMD_UNKNOWN 0x00 /**< unknown IPC command */
#define RT_IPC_CMD_RESET 0x01 /**< reset IPC object */
#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; /**< inherit from rt_object */
rt_list_t suspend_thread; /**< threads pended on this resource */
};
#ifdef RT_USING_SEMAPHORE
/**
* Semaphore structure
*/
struct rt_semaphore
{
struct rt_ipc_object parent; /**< inherit from ipc_object */
rt_uint16_t value; /**< value of semaphore. */
};
typedef struct rt_semaphore *rt_sem_t;
#endif
#ifdef RT_USING_MUTEX
/**
* Mutual exclusion (mutex) structure
*/
struct rt_mutex
{
struct rt_ipc_object parent; /**< inherit from ipc_object */
rt_uint16_t value; /**< value of mutex */
rt_uint8_t original_priority; /**< priority of last thread hold the mutex */
rt_uint8_t hold; /**< numbers of thread hold the mutex */
struct rt_thread *owner; /**< current owner of mutex */
};
typedef struct rt_mutex *rt_mutex_t;
#endif
#ifdef RT_USING_EVENT
/**
* flag defintions in event
*/
#define RT_EVENT_FLAG_AND 0x01 /**< logic and */
#define RT_EVENT_FLAG_OR 0x02 /**< logic or */
#define RT_EVENT_FLAG_CLEAR 0x04 /**< clear flag */
/*
* event structure
*/
struct rt_event
{
struct rt_ipc_object parent; /**< inherit from ipc_object */
rt_uint32_t set; /**< event set */
};
typedef struct rt_event *rt_event_t;
#endif
#ifdef RT_USING_MAILBOX
/**
* mailbox structure
*/
struct rt_mailbox
{
struct rt_ipc_object parent; /**< inherit from ipc_object */
rt_uint32_t *msg_pool; /**< start address of message buffer */
rt_uint16_t size; /**< size of message pool */
rt_uint16_t entry; /**< index of messages in msg_pool */
rt_uint16_t in_offset; /**< input offset of the message buffer */
rt_uint16_t out_offset; /**< output offset of the message buffer */
rt_list_t suspend_sender_thread; /**< sender thread suspended on this mailbox */
};
typedef struct rt_mailbox *rt_mailbox_t;
#endif
#ifdef RT_USING_MESSAGEQUEUE
/**
* message queue structure
*/
struct rt_messagequeue
{
struct rt_ipc_object parent; /**< inherit from ipc_object */
void *msg_pool; /**< start address of message queue */
rt_uint16_t msg_size; /**< message size of each message */
rt_uint16_t max_msgs; /**< max number of messages */
rt_uint16_t entry; /**< index of messages in the queue */
void *msg_queue_head; /**< list head */
void *msg_queue_tail; /**< list tail */
void *msg_queue_free; /**< pointer indicated the free node of queue */
};
typedef struct rt_messagequeue *rt_mq_t;
#endif
/*@}*/
#ifdef RT_USING_MEMPOOL
/**
* @addtogroup MM
*/
/*@{*/
/*
* memory management
* heap & partition
*/
/**
* memory item on the heap
*/
struct rt_memheap_item
{
rt_uint32_t magic; /**< magic number for memheap */
struct rt_memheap_item *next; /**< next memheap item */
struct rt_memheap_item *prev; /**< prev memheap item */
struct rt_memheap_item *next_free; /**< next free memheap item */
struct rt_memheap_item *prev_free; /**< prev free memheap item */
struct rt_memheap *pool_ptr; /**< point of pool */
};
/**
* Base structure of memory heap object
*/
struct rt_memheap
{
struct rt_object parent; /**< inherit from rt_object */
void *start_addr; /**< pool start address and size */
rt_uint32_t pool_size; /**< pool size */
rt_uint32_t available_size; /**< available size */
struct rt_memheap_item *block_list; /**< used block list */
struct rt_memheap_item *free_list; /**< free block list */
struct rt_memheap_item free_header; /**< free block list header */
struct rt_mutex lock; /**< mutex lock */
};
/**
* Base structure of Memory pool object
*/
struct rt_mempool
{
struct rt_object parent; /**< inherit from rt_object */
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) 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_Graphic, /**< Graphic device */
RT_Device_Class_I2CBUS, /**< I2C bus device */
RT_Device_Class_USBDevice, /**< USB slave device */
RT_Device_Class_USBHost, /**< USB host bus */
RT_Device_Class_SPIBUS, /**< SPI bus device */
RT_Device_Class_SPIDevice, /**< SPI device */
RT_Device_Class_SDIO, /**< SDIO bus device */
RT_Device_Class_PM, /**< PM pseudo 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_BLK_SYNC 0x11 /**< flush data to block device */
#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 */
#define RT_DEVICE_CTRL_RTC_GET_ALARM 0x12 /**< get alarm */
#define RT_DEVICE_CTRL_RTC_SET_ALARM 0x13 /**< set alarm */
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; /**< device flag */
rt_uint16_t open_flag; /**< device open flag */
rt_uint8_t device_id; /**< 0 - 255 */
/* 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 */
};
/**
* graphic device control command
*/
#define RTGRAPHIC_CTRL_RECT_UPDATE 0
#define RTGRAPHIC_CTRL_POWERON 1
#define RTGRAPHIC_CTRL_POWEROFF 2
#define RTGRAPHIC_CTRL_GET_INFO 3
#define RTGRAPHIC_CTRL_SET_MODE 4
#define RTGRAPHIC_CTRL_FILL_RECT 5
#define RTGRAPHIC_CTRL_DRAW_RECT 6
/* graphic deice */
enum
{
RTGRAPHIC_PIXEL_FORMAT_MONO = 0,
RTGRAPHIC_PIXEL_FORMAT_GRAY4,
RTGRAPHIC_PIXEL_FORMAT_GRAY16,
RTGRAPHIC_PIXEL_FORMAT_RGB332,
RTGRAPHIC_PIXEL_FORMAT_RGB444,
RTGRAPHIC_PIXEL_FORMAT_RGB565,
RTGRAPHIC_PIXEL_FORMAT_RGB565P,
RTGRAPHIC_PIXEL_FORMAT_RGB666,
RTGRAPHIC_PIXEL_FORMAT_RGB888,
RTGRAPHIC_PIXEL_FORMAT_ARGB888
};
/**
* build a pixel position according to (x, y) coordinates.
*/
#define RTGRAPHIC_PIXEL_POSITION(x, y) ((x << 16) | y)
/**
* graphic device information structure
*/
struct rt_device_graphic_info
{
rt_uint8_t pixel_format; /**< graphic format */
rt_uint8_t bits_per_pixel; /**< bits per pixel */
rt_uint16_t reserved; /**< reserved field */
rt_uint16_t width; /**< width of graphic device */
rt_uint16_t height; /**< height of graphic device */
rt_uint8_t *framebuffer; /**< frame buffer */
};
/**
* rectangle information structure
*/
struct rt_device_rect_info
{
rt_uint16_t x; /**< x coordinate */
rt_uint16_t y; /**< y coordinate */
rt_uint16_t width; /**< width */
rt_uint16_t height; /**< height */
};
/**
* graphic operations
*/
struct rt_device_graphic_ops
{
void (*set_pixel) (const char *pixel, int x, int y);
void (*get_pixel) (char *pixel, int x, int y);
void (*draw_hline)(const char *pixel, int x1, int x2, int y);
void (*draw_vline)(const char *pixel, int x, int y1, int y2);
void (*blit_line) (const char *pixel, int x, int y, rt_size_t size);
};
#define rt_graphix_ops(device) ((struct rt_device_graphic_ops *)(device->user_data))
/*@}*/
#endif
#ifdef RT_USING_MODULE
/**
* @addtogroup 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;
#ifdef RT_USING_SLAB
/* module memory allocator */
void *mem_list; /**< module's free memory list */
void *page_array; /**< module's using pages */
rt_uint32_t page_cnt; /**< module's using pages count */
#endif
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
#ifdef __cplusplus
}
#endif
#endif
#define RT_DEVICE_CTRL_RTC_SET_ALARM 0x13 /**< set alarm */
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; /**< device flag */
rt_uint16_t open_flag; /**< device open flag */
rt_uint8_t device_id; /**< 0 - 255 */
/* 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 */
};
/**
* graphic device control command
*/
#define RTGRAPHIC_CTRL_RECT_UPDATE 0
#define RTGRAPHIC_CTRL_POWERON 1
#define RTGRAPHIC_CTRL_POWEROFF 2
#define RTGRAPHIC_CTRL_GET_INFO 3
#define RTGRAPHIC_CTRL_SET_MODE 4
#define RTGRAPHIC_CTRL_FILL_RECT 5
#define RTGRAPHIC_CTRL_DRAW_RECT 6
/* graphic deice */
enum
{
RTGRAPHIC_PIXEL_FORMAT_MONO = 0,
RTGRAPHIC_PIXEL_FORMAT_GRAY4,
RTGRAPHIC_PIXEL_FORMAT_GRAY16,
RTGRAPHIC_PIXEL_FORMAT_RGB332,
RTGRAPHIC_PIXEL_FORMAT_RGB444,
RTGRAPHIC_PIXEL_FORMAT_RGB565,
RTGRAPHIC_PIXEL_FORMAT_RGB565P,
RTGRAPHIC_PIXEL_FORMAT_RGB666,
RTGRAPHIC_PIXEL_FORMAT_RGB888,
RTGRAPHIC_PIXEL_FORMAT_ARGB888
};
/**
* build a pixel position according to (x, y) coordinates.
*/
#define RTGRAPHIC_PIXEL_POSITION(x, y) ((x << 16) | y)
/**
* graphic device information structure
*/
struct rt_device_graphic_info
{
rt_uint8_t pixel_format; /**< graphic format */
rt_uint8_t bits_per_pixel; /**< bits per pixel */
rt_uint16_t reserved; /**< reserved field */
rt_uint16_t width; /**< width of graphic device */
rt_uint16_t height; /**< height of graphic device */
rt_uint8_t *framebuffer; /**< frame buffer */
};
/**
* rectangle information structure
*/
struct rt_device_rect_info
{
rt_uint16_t x; /**< x coordinate */
rt_uint16_t y; /**< y coordinate */
rt_uint16_t width; /**< width */
rt_uint16_t height; /**< height */
};
/**
* graphic operations
*/
struct rt_device_graphic_ops
{
void (*set_pixel) (const char *pixel, int x, int y);
void (*get_pixel) (char *pixel, int x, int y);
void (*draw_hline)(const char *pixel, int x1, int x2, int y);
void (*draw_vline)(const char *pixel, int x, int y1, int y2);
void (*blit_line) (const char *pixel, int x, int y, rt_size_t size);
};
#define rt_graphix_ops(device) ((struct rt_device_graphic_ops *)(device->user_data))
/*@}*/
#endif
#ifdef RT_USING_MODULE
/**
* @addtogroup 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;
#ifdef RT_USING_SLAB
/* module memory allocator */
void *mem_list; /**< module's free memory list */
void *page_array; /**< module's using pages */
rt_uint32_t page_cnt; /**< module's using pages count */
#endif
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
#ifdef __cplusplus
}
#endif
#endif
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