typedef.h

USART的驱动程序

/*************************************************************************************
*	Copyright (c) 2005 by National ASIC System Engineering Research Center.
*	PROPRIETARY RIGHTS of ASIC are involved in the subject matter of this 
*	material.  All manufacturing, reproduction, use, and sales rights 
*	pertaining to this subject matter are governed by the license agreement.
*	The recipient of this software implicitly accepts the terms of the license.
*
*	File Name: typedef.h
*
*	File Description:
*			The file define some macro definition used in some assembler file.
*		
*	Created by Michael <[e-mail]>, 2005-03-22
**************************************************************************************/

#ifndef TYPEDEF_H
#define TYPEDEF_H

/******************************************  
* General-Purpose Data Types
*******************************************/
typedef char				S8;			/* signed 8-bit integer */
typedef short				S16;		/* signed 16-bit integer */
typedef long				S32;		/* signed 32-bit integer */
typedef unsigned char		U8;			/* unsigned 8-bit integer */
typedef unsigned short		U16;		/* unsigned 16-bit integer */
typedef unsigned long		U32;		/* unsigned 32-bit integer */

typedef long				STATUS;		/* the status of function return value */

typedef	volatile U32 *		RP;		
typedef	volatile U16 *		RP16;
typedef	volatile U8  *		RP8;
                                		
                                		
typedef void				*VP;		/* pointer to an unpredictable data type */
typedef void				(*FP)();	/* program start address */

#ifndef _BOOL_TYPE_
#define _BOOL_TYPE_
typedef int					BOOL;		/* Boolean value.  TRUE (1) or FALSE (0). */
#endif  

typedef int					ER;			/* Error code.  A signed integer. */

/*******************************************************************
*  Error Codes               
*           IF SUCCESS RETURN 0, ELSE RETURN OTHER ERROR CODE,
*           parameter error return (-33)/E_PAR, hardware error reture (-99)/E_HA
********************************************************************/
#define 	E_OK       	0        /* Normal completion */
#define 	E_SYS      	(-5)     /* System error */
#define 	E_NOMEM    	(-10)    /* Insufficient memory */
#define 	E_NOSPT    	(-17)    /* Feature not supported */
#define 	E_INOSPT  	 (-18)   /* Feature not supported 
                               		by ITRON/FILE specification */
#define 	E_RSFN     	(-20)    /* Reserved function code number */
#define 	E_RSATR    	(-24)    /* Reserved attribute */
#define 	E_PAR      	(-33)    /* Parameter error */
#define 	E_ID       	(-35)    /* Invalid ID number */
#define 	E_NOEXS    	(-52)    /* Object does not exist */
#define 	E_OBJ      	(-63)    /* Invalid object state */
#define 	E_MACV     	(-65)    /* Memory access disabled or memory access 
                               		violation */
#define 	E_OACV     	(-66)    /* Object access violation */
#define 	E_CTX      	(-69)    /* Context error */
#define 	E_QOVR     	(-73)    /* Queuing or nesting overflow */
#define 	E_DLT      	(-81)    /* Object being waited for was deleted */
#define 	E_TMOUT    	(-85)    /* Polling failure or timeout exceeded */
#define 	E_RLWAI    	(-86)    /* WAIT state was forcibly released */ 

#define		E_HA		(-99) 		 /* HARD WARE ERROR */

/*interrupt resources */                            
#define		INT_RTC					31		        
#define		INT_DMA					30	                
#define		INT_EMI					29              
#define		INT_GPT					28                  
#define		INT_USB					27                  
#define		INT_SPI					26              
#define 	INT_MMC					25              
#define		INT_UART0				24              
#define		INT_UART1				23              
#define		INT_PWM					22              
#define		INT_AC97				21              
#define		INT_LCD					20	                
#define		INT_EXT17				19	            
#define		INT_EXT16				18              
#define		INT_EXT15				17	            
#define		INT_NONE				16			    
#define		INT_EXT14				15              
#define		INT_EXT13				14				
#define		INT_EXT12				13              
#define		INT_EXT11				12              
#define		INT_EXT10				11              
#define		INT_EXT9 				10              
#define		INT_EXT8 				9               
#define		INT_EXT7 				8               
#define		INT_EXT6 				7               
#define		INT_EXT5 				6               
#define		INT_EXT4 				5               
#define		INT_EXT3 				4               
#define		INT_EXT2 				3               
#define		INT_EXT1 				2               
#define		INT_EXT0				1
#define		INT_NULL				0


/****************************************
	macros  for write and read registers
****************************************/
#define write_reg(reg, data) \
	*(RP)reg = data

#define read_reg(reg) \
	*(RP)reg


#endif