pio.h

嵌入式系统

/*-----------------------------------------------------------------------------
@@
@@ (Summary)    : LH7953x series PIO Device Driver Header File
@@
@@ (Comment)    : PIO Header File
@@
@@ (Author)     : 
@@
@@ (History)    : 
@@
@@ (RCS ID) :
@@
-----------------------------------------------------------------------------*/
#ifndef PIO_H
#define PIO_H

/*+include files*************************************************************/
/*                                                                          */
/*                                                                          */
/**************************************************************************-*/
#include "type_def.h"
#include "dev_def.h"
#include "pio_def.h"

/*+Public Macro definitions**************************************************/
/*                                                                          */
/*                                                                          */
/****************************************************************************/

/*+Public Type definitions***************************************************/
/*                                                                          */
/*                                                                          */
/****************************************************************************/

/*-----------------------------------------------------------------------------
@@ {Name}   : APD_PIO_PORT
@@
@@ {Summary}: Indicate which PIO port
@@
@@ {Desc}   : Use to indicate which PIO port is being modified
@@
@@ {End}    :
-----------------------------------------------------------------------------*/
typedef enum {

    APD_PIOD = 3,   /* portD */
    APD_PIOC = 2,   /* portC */
    APD_PIOB = 1,   /* portB */
    APD_PIOA = 0    /* portA */

} APD_PIO_PORT;

#ifdef APD_PIO_C

/*-------------------------- Local context - START -------------------------*/

/*+include files*************************************************************/
/*                                                                          */
/*                                                                          */
/**************************************************************************-*/

#define VISIBLE             /* Mark as LOCAL context */

/*+Local Type definitions****************************************************/
/*                                                                          */
/*                                                                          */
/**************************************************************************-*/

/*+Local Macro definitions***************************************************/
/*                                                                          */
/*                                                                          */
/**************************************************************************-*/

/*+Local function prototypes*************************************************/
/*                                                                          */
/* Name     Type        Abstract                                            */
/* ----     ------      ------------                                        */
/*                                                                          */
/**************************************************************************-*/

/*+Local data declarations***************************************************/
/*                                                                          */
/*    Name          Description                                             */
/*    --------      ----------------                                        */
/**************************************************************************-*/

/*-------------------------- Local context - END ---------------------------*/

#else
#define VISIBLE extern      /* Mark as GLOBAL context */
#endif

/*------------------------- Global context - START -------------------------*/

/*+Public data declarations**************************************************/
/*                                                                          */
/*    Name          Description                                             */
/*    --------      ----------------                                        */
/****************************************************************************/


/*+Public function prototypes************************************************/
/*                                                                          */
/* Name     Type        Abstract                                            */
/* ----     ------      ------------                                        */
/*                                                                          */
/**************************************************************************-*/
VISIBLE unsigned long apd_PIOReadPort(APD_PIO_PORT port);
VISIBLE unsigned char apd_PIOReadBit(APD_PIO_PORT port, unsigned char bitnum);
VISIBLE void apd_PIOSetMuxFunc(APD_PIO_PORT port, unsigned long muxdata1, unsigned long muxdata2);
VISIBLE void apd_PIOReadMuxFunc(APD_PIO_PORT port, unsigned long *muxdata1, unsigned long *muxdata2);
VISIBLE void apd_PIOSetAsInput(APD_PIO_PORT port, unsigned long port_value);
VISIBLE void apd_PIOSetAsOutput(APD_PIO_PORT port, unsigned long port_value);
VISIBLE void apd_PIOSetPortData(APD_PIO_PORT port, unsigned long port_value);
VISIBLE void apd_PIOSetBit(APD_PIO_PORT port, unsigned char bit_num);
VISIBLE void apd_PIOClrBit(APD_PIO_PORT port, unsigned char bit_num);
/*-------------------------- Global context - END --------------------------*/
#undef VISIBLE
#endif