itc.h

ST7LITE39 IIC功能应用实例,是一个完整的源程序

/*
*******************************************************************************
COPYRIGHT 2002 STMicroelectronics
Source File Name : ITC.h
Group            : IPSW, CMG - IPDF
Author           : MCD Application Team
Date First Issued: 5/3/2002
********************************Documentation**********************************
General Purpose - This file conatains the declaration of functions written in
                  ITC.c 
********************************RevisionHistory********************************    
1.Function name EXT_ITSensitivity changed as ConfigureInterrupt    
2.Function name ITC_Disable_IT was included.
3. Added necessary comments.
4. Updated the file for release 2.0.

_______________________________________________________________________________
Date : 5/3/2002              	Release: 1.0     
Date :23/9/2003                 Release: 2.0
Date :28/04/04                  MISRA changes
******************************************************************************/

#ifndef ITC_H
#define ITC_H

#include "ST7lib_Config.h"

/*         Description of all the functions defined in this module           */

typedef enum {                                   /*Priority Level of interupt*/
        IT_LEVEL_0   = (unsigned char)2,
        IT_LEVEL_1   = (unsigned char)1,
        IT_LEVEL_2   = (unsigned char)0,
        IT_LEVEL_3   = (unsigned char)3
         }ITC_LEVEL;

typedef enum {                              /*Sensitvity of the Interrupt pin*/
        IT_EDGE_F    =(unsigned char)0x02,
        IT_EDGE_R    =(unsigned char)0x01,
        IT_EDGE_R_1  =(unsigned char)0x04,
        IT_EDGE_F_0  =(unsigned char)0x00,
        IT_EDGE_FR   =(unsigned char)0x03,
        IT_DEFAULT  =(unsigned char )0x00
          }ITC_Sensitivity;

typedef enum {                                       /*Interrupt Port*/
        IT_PortA   =(unsigned char)0x01,
        IT_PortB   =(unsigned char)0x02,
        IT_PortC   =(unsigned char)0x04,
        IT_PortD   =(unsigned char)0x08,
        IT_PortE   =(unsigned char)0x10,
        IT_PortF   =(unsigned char)0x20
           }ITC_Port;
                    
  
void ITC_Init (void);       /*Initialise all the registers with default value*/

void ITC_TRAP (void);                          /*Generates the TRAP interrupt*/


void ITC_ConfigureInterrupt(ITC_Port Portx,unsigned char Pin, 
                                                  ITC_Sensitivity Sensitivity); 
                         /*Sets the sensitvity of the selected Interrupt Pin */

#endif

/**** (c) 2002   STMicroelectronics *************************** END OF FILE **/