/*  parallel.c - Simple no tricks example of parallel.device usage
 *
 * Copyright (c) 1990 Commodore-Amiga, Inc.
 *
 * This example is provided in electronic form by Commodore-Amiga, Inc. for
 * use with the 1.3 revisions of the Addison-Wesley Amiga reference manuals. 
 * The 1.3 Addison-Wesley Amiga Reference Manual series contains additional
 * information on the correct usage of the techniques and operating system
 * functions presented in this example.  The source and executable code of
 * this example may only be distributed in free electronic form, via bulletin
 * board or as part of a fully non-commercial and freely redistributable
 * diskette.  Both the source and executable code (including comments) must
 * be included, without modification, in any copy.  This example may not be
 * published in printed form or distributed with any commercial product.
 * However, the programming techniques and support routines set forth in
 * this example may be used in the development of original executable
 * software products for Commodore Amiga computers.
 * All other rights reserved.
 * This example is provided "as-is" and is subject to change; no warranties
 * are made.  All use is at your own risk.  No liability or responsibility
 * is assumed.
 *
 *  Compile with Lattice 5.04: LC -Lt -catsfq
 */
#include <exec/types.h>
#include <devices/parallel.h>
#ifdef LATTICE
#include <proto/exec.h>
#include <stdio.h>
int CXBRK(void) { return(0); }  /* Disable Lattice CTRL-C handling */
void main(void);
#endif

#define DEVICE_NAME "parallel.device"
#define UNIT_NUMBER 0

void main()
{
struct MsgPort  *ParallelMP;          /* Define storage for one pointer */
struct IOExtPar *ParallelIO;         /* Define storage for one pointer */

    if( ParallelMP=CreatePort(0,0) )
        {
        if( ParallelIO=(struct IOExtPar *)
            CreateExtIO(ParallelMP,sizeof(struct IOExtPar)) )
            {
            ParallelIO->io_ParFlags=0;    /* Example of setting flags */

            if ( OpenDevice(DEVICE_NAME,UNIT_NUMBER,ParallelIO,0) )
                printf("Parallel.device did not open\n");
            else
                {
                ParallelIO->IOPar.io_Command  = CMD_WRITE;
                ParallelIO->IOPar.io_Length   = -1;
                ParallelIO->IOPar.io_Data     = (APTR)"Hey, Jude! ";
                DoIO(ParallelIO);             /* execute write */

                ParallelIO->IOPar.io_Command  =  PDCMD_SETPARAMS;
                ParallelIO->io_ParFlags      &= ~PARF_EOFMODE;
                DoIO(ParallelIO);

                /* Add more commands here */
                CloseDevice(ParallelIO);
                }
            DeleteExtIO(ParallelIO);
            }
        DeletePort(ParallelMP);
        }
}