www.pudn.com > 8255_code_lib.rar > DIOFNC01.C

/*- 
 *  ---------------------------------------------------------------------- 
 *  File        :   DIOFNC01.C 
 *  Creator     :   Blake Miller 
 *  Version     :   01.01.00        February 1991 
 *  Language    :   Microsoft C     Version 5.1 
 *  Purpose     :   Intel 8255 Compatible Digital IO Functions 
 *                  Data Area Initialization Function 
 *  ---------------------------------------------------------------------- 
 *  Revision History: 
 *  022891 BVM  :   Change int to short. 
 *  070490 BVM  :   Creation 
 *  ---------------------------------------------------------------------- 
 */ 
 
#define     DIOFNC01_C_DEFINED  1 
#include    "DIOLIB.H" 
#undef      DIOFNC01_C_DEFINED 
 
void dio_init (DIODAT *, short); 
 
/*- DIO : Initialize Data Space --------------** 
 *  Initialize the structure data to 'safe' values. 
 *  Passed: 
 *      pointer :   DIODAT 
 *      short   :   base address 
 *  Returns: 
 *      nothing 
 */ 
void dio_init (DIODAT *data, short address) 
	{ 
	short   i; 
 
	data->stat = DIO_ST_OK; 
	data->base = address; 
	data->mode = 0; 
	for ( i = 0; i < DIO_MAXCH; i++ ) 
		data->pdat[i] = (unsigned char)0; 
	} 
 
/*- 
 *  ---------------------------------------------------------------------- 
 *  END DIOFNC01.C Source File 
 *  ---------------------------------------------------------------------- 
 */