gpioinfo.c
Author: cmaier@cmassoc.net

    /*====================================================================*
     *
     *   Copyright (c) 2013 Qualcomm Atheros, Inc.
     *
     *   All rights reserved.
     *
     *   Redistribution and use in source and binary forms, with or
     *   without modification, are permitted (subject to the limitations
     *   in the disclaimer below) provided that the following conditions
     *   are met:
     *
     *   * Redistributions of source code must retain the above copyright
     *     notice, this list of conditions and the following disclaimer.
     *
     *   * Redistributions in binary form must reproduce the above
     *     copyright notice, this list of conditions and the following
     *     disclaimer in the documentation and/or other materials
     *     provided with the distribution.
     *
     *   * Neither the name of Qualcomm Atheros nor the names of
     *     its contributors may be used to endorse or promote products
     *     derived from this software without specific prior written
     *     permission.
     *
     *   NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
     *   GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE
     *   COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
     *   IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     *   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     *   PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
     *   OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     *   NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     *   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     *   HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     *   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     *   OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     *   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     *
     *--------------------------------------------------------------------*/

    /*====================================================================*
     *
     *   gpioinfo.c - print gpio Iinformation
     *
     *
     *--------------------------------------------------------------------*/

    /*====================================================================*
     *   system header files;
     *--------------------------------------------------------------------*/

    #include <unistd.h>
    #include <limits.h>
    #include <errno.h>

    /*====================================================================*
     *   custom header files;
     *--------------------------------------------------------------------*/

    #include "../tools/getoptv.h"
    #include "../tools/putoptv.h"
    #include "../tools/number.h"
    #include "../tools/error.h"
    #include "../tools/files.h"
    #include "../tools/types.h"

    /*====================================================================*
     *   custom source files;
     *--------------------------------------------------------------------*/

    #ifndef MAKEFILE
    #include "../tools/getoptv.c"
    #include "../tools/putoptv.c"
    #include "../tools/version.c"
    #include "../tools/uintspec.c"
    #include "../tools/todigit.c"
    #include "../tools/hexstring.c"
    #include "../tools/hexdecode.c"
    #include "../tools/error.c"
    #endif

    /*====================================================================*
     *   program constants;
     *--------------------------------------------------------------------*/

    #define TM_VERBOSE (1 << 0)
    #define TM_SILENCE (1 << 1)

    #define OFFSET 0x24BF
    #define LENGTH 50

    /*====================================================================*
     *
     *   int main (int argc, char const * argv []);
     *
     *
     *
     *--------------------------------------------------------------------*/

    int main (int argc, char const * argv [])

    {
    	static char const * optv [] =
    	{
    		"",
    		"file [file] [...] [> stdout]",
    		"print GPIO information",
    		(char const *) (0)
    	};

    #ifndef __GNUC__
    #pragma pack (push, 1)
    #endif

    	typedef struct __packed EventBlock
    	{
    		uint8_t EvtPriorityId;
    		uint8_t EvtId;
    		uint8_t BehId [3];
    		uint16_t ParticipatingGPIOs;
    		uint8_t EventAttributes;
    		uint8_t RSVD [3];
    	}
    	EventBlock;

    #ifndef __GNUC__
    #pragma pack (pop)
    #endif

    	struct EventBlock EventBlockArray [50];
    	file_t fd;
    	signed c;
    	optind = 1;
    	while ((c = getoptv (argc, argv, optv)) != -1)
    	{
    		switch (c)
    		{
    		default:
    			break;
    		}
    	}
    	argc -= optind;
    	argv += optind;
    	while ((argc) && (* argv))
    	{
    		if ((fd = open (* argv, O_BINARY|O_RDONLY)) == -1)
    		{
    			error (0, errno, "Can't open %s", * argv);
    		}
    		else if (lseek (fd, OFFSET, SEEK_SET) != OFFSET)
    		{
    			error (0, errno, "Can't seek %s", * argv);
    			close (fd);
    		}
    		else if (read (fd, &EventBlockArray, sizeof (EventBlockArray)) != sizeof (EventBlockArray))
    		{
    			error (0, errno, "Can't read %s", * argv);
    			close (fd);
    		}
    		else
    		{
    			for (c = 0; c < LENGTH; c++)
    			{
    				struct EventBlock * EventBlock = (&EventBlockArray [c]);
    				char string [10];
    				printf ("EvtPriorityId %3d ", EventBlock->EvtPriorityId);
    				printf ("EvtId %3d ", EventBlock->EvtId);
    				printf ("BehId %s ", hexstring (string, sizeof (string), EventBlock->BehId, sizeof (EventBlock->BehId)));
    				printf ("ParticipatingGPIOs %3d ", EventBlock->ParticipatingGPIOs);
    				printf ("EventAttributes %3d ", EventBlock->EventAttributes);
    				printf ("\n");
    			}
    			close (fd);
    		}
    		argc--;
    		argv++;
    	}
    	return (0);
    }

[PREV] [HOME] [NEXT]