example_dps2812m_sci.h

TMS320F2812串口学习例程

/* =================================================================================
File name:       Mudbus.H (28x version)                    
                    
Originator:	R&D Group
		NIE 

Description: 
Header file containing constants, data type definitions, and 
function prototypes for the communication.

=====================================================================================
 History:
-------------------------------------------------------------------------------------
 03-16-2005		Release	Rev 1.0                                                   
------------------------------------------------------------------------------*/
#ifndef __Example_DPS2812M_SCI_H__

#define __Example_DPS2812M_SCI_H__

#define COMRXSUCCESS 2
#define COMTXSUCCESS 3
#define TX 				 1
#define RX 				 0
#define COMMERROR  0xff
#define MODULE     0xf0
#define PARANUMMIN 0
#define PARANUMMAX 40
#define RS232      1
#define RS485      0

typedef struct { 
	      int far	*TabValuePoint;
			unsigned int    PortSel;               //端口选择；硬件上1-SCIA为232，0-SCIB为485 
		    unsigned int    CommFlag;              //接收发送选择
		    unsigned int    CommLen;               //桢通讯长度
		    unsigned int    Count;                 //通讯计数
            unsigned int    FrameError;            //错误标志         
	        unsigned char   CommData[40];          //
	          void            (*Comm)();
	              } SCI_DRV;	            

typedef SCI_DRV *SCI_DRV_handle;
/*------------------------------------------------------------------------------
datatab in Mudbus.C
------------------------------------------------------------------------------*/
extern int Out_Data[40];
  
//故障代码地址 
                    
/*-----------------------------------------------------------------------------
Default initalizer for the Mudbus object.
-----------------------------------------------------------------------------*/                     
#define SCI_DRV_DEFAULTS { &Out_Data[0], \
                          0,\
                          0,\
                          8,\
                          0,\
                          0, \
                          {0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,\
                           0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,},\
              		  (void (*)(Uint32))Comm} 
              		  
/*------------------------------------------------------------------------------
Prototypes for the functions in Mudbus.C
------------------------------------------------------------------------------*/
void Comm(SCI_DRV_handle);
void InitSciRS485(void);
void InitSciRS232(void);

//extern volatile struct TABLE Table;    
                                      
#endif