source: ETALON/DAQ/main.c

// $URL: http://subversion:8080/svn/gsc/trunk/drivers/LINUX/18AI32SSC1M/savedata/main.c $
// $Rev: 16253 $
// $Date: 2012-05-10 15:10:31 -0500 (Thu, 10 May 2012) $

#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>

#include "main.h"



// variables    ***************************************************************

static  int             _continuous             = 0;
static  int             _ignore_errors  = 0;
static  int             _index                  = 0;
static  __s32   _io_mode                = GSC_IO_MODE_DMA;
static  long    _minute_limit   = 0;
static  int             _test_limit             = -1;



/******************************************************************************
*
*       Function:       _parse_args
*
*       Purpose:
*
*               Parse the command line arguments.
*
*       Arguments:
*
*               argc    The number of command line arguments given.
*
*               argv    The list of command line arguments given.
*
*       Returned:
*
*               >= 0    The number of errors encounterred.
*
******************************************************************************/

static int _parse_args(int argc, char** argv)
{
        char    c;
        int             errs    = 0;
        int             i;
        int             j;
        int             k;

        printf("USAGE: savedata <-c> <-C> <-dma> <-dmdma> <-m#> <-n#> <-pio> <index>\n");
        printf("   -c      Continue testing until an error occurs.\n");
        printf("   -C      Continue testing even if errors occur.\n");
        printf("   -dma    Use standard DMA for data transfer. This is the default.\n");
        printf("   -dmama  Use Deman Mode DMA for data transfer.\n");
        printf("   -m#     Run for at most # minutes (a decimal number).\n");
        printf("   -n#     Repeat test at most # times (a decimal number).\n");
        printf("   -pio    Use PIO for data transfer.\n");
        printf("   index   The index of the board to access.\n");
        printf(" NOTE: Hit Ctrl-C to abort continuous testing.\n");

        for (i = 1; i < argc; i++)
        {
                if (strcmp(argv[i], "-c") == 0)
                {
                        _continuous             = 1;
                        _ignore_errors  = 0;
                        continue;
                }

                if (strcmp(argv[i], "-C") == 0)
                {
                        _continuous             = 1;
                        _ignore_errors  = 1;
                        continue;
                }

                if (strcmp(argv[i], "-dma") == 0)
                {
                        _io_mode        = GSC_IO_MODE_DMA;
                        continue;
                }

                if (strcmp(argv[i], "-dmdma") == 0)
                {
                        _io_mode        = GSC_IO_MODE_DMA;
                        continue;
                }

                if (strcmp(argv[i], "-pio") == 0)
                {
                        _io_mode        = GSC_IO_MODE_PIO;
                        continue;
                }

                if ((argv[i][0] == '-') && (argv[i][1] == 'm') && (argv[i][2]))
                {
                        j       = sscanf(&argv[i][2], "%d%c", &k, &c);

                        if ((j == 1) && (k > 0))
                        {
                                _minute_limit   = k;
                                continue;
                        }

                        errs    = 1;
                        printf("ERROR: invalid argument: %s\n", argv[i]);
                        break;
                }

                if ((argv[i][0] == '-') && (argv[i][1] == 'n') && (argv[i][2]))
                {
                        j       = sscanf(&argv[i][2], "%d%c", &k, &c);

                        if ((j == 1) && (k > 0))
                        {
                                _test_limit     = k;
                                continue;
                        }

                        errs    = 1;
                        printf("ERROR: invalid argument: %s\n", argv[i]);
                        break;
                }

                j       = sscanf(argv[i], "%d%c", &k, &c);

                if ((j == 1) && (k >= 0))
                {
                        _index  = k;
                        continue;
                }
                else
                {
                        errs    = 1;
                        printf("ERROR: invalid board selection: %s\n", argv[i]);
                        break;
                }
        }

        return(errs);
}



/******************************************************************************
*
*       Function:       _perform_tests
*
*       Purpose:
*
*               Perform the appropriate testing.
*
*       Arguments:
*
*               fd              The handle for the board to access.
*
*       Returned:
*
*               >= 0    The number of errors encounterred.
*
******************************************************************************/

static int _perform_tests(int fd)
{
        int                     errs    = 0;
        const char*     psz;
        struct tm*      stm;
        time_t          tt;

        time(&tt);
        stm     = localtime(&tt);
        psz     = asctime(stm);
        gsc_label("Performing Operation");
        printf("%s", psz);

        errs    += gsc_id_driver(AI32SSC1M_BASE_NAME);
        errs    += ai32ssc1m_id_board(fd, -1, NULL);

        errs    += save_data(fd, _io_mode);

        return(errs);
}



/******************************************************************************
*
*       Function:       main
*
*       Purpose:
*
*               Control the overall flow of the application.
*
*       Arguments:
*
*               argc                    The number of command line arguments.
*
*               argv                    The list of command line arguments.
*
*       Returned:
*
*               EXIT_SUCCESS    We tested a device.
*               EXIT_FAILURE    We didn't test a device.
*
******************************************************************************/

int main(int argc, char *argv[])
{
        int             errs;
        time_t  exec            = time(NULL);
        long    failures        = 0;
        int             fd                      = 0;
        long    hours;
        long    mins;
        time_t  now;
        long    passes          = 0;
        int             qty;
        int             ret                     = EXIT_FAILURE;
        long    secs;
        time_t  t_limit;
        time_t  test;
        long    tests           = 0;

        gsc_label_init(28);

        for (;;)
        {
                test    = time(NULL);
                printf("savedata - Capture and Save Data to Disk (Version %s)\n", VERSION);
                errs    = _parse_args(argc, argv);

                if (errs)
                        break;

                gsc_id_host();
                t_limit = exec + (_minute_limit * 60);
                qty             = gsc_count_boards(AI32SSC1M_BASE_NAME);
                errs    = gsc_select_1_board(qty, &_index);

                if ((qty <= 0) || (errs))
                        break;

                gsc_label("Accessing Board Index");
                printf("%d\n", _index);
                fd      = gsc_dev_open(_index, AI32SSC1M_BASE_NAME);

                if (fd == -1)
                {
                        errs    = 1;
                        printf( "ERROR: Unable to access device %d.", _index);
                }

                if (errs == 0)
                {
                        ret             = EXIT_SUCCESS;
                        errs    = _perform_tests(fd);
                }

                gsc_dev_close(_index, fd);

                now     = time(NULL);
                tests++;

                if (errs)
                {
                        failures++;
                        printf( "\nRESULTS: FAIL <---  (%d error%s)",
                                        errs,
                                        (errs == 1) ? "" : "s");
                }
                else
                {
                        passes++;
                        printf("\nRESULTS: PASS");
                }

                secs    = now - test;
                hours   = secs / 3600;
                secs    = secs % 3600;
                mins    = secs / 60;
                secs    = secs % 60;
                printf(" (duration %ld:%ld:%02ld)\n", hours, mins, secs);

                secs    = now - exec;
                hours   = secs / 3600;
                secs    = secs % 3600;
                mins    = secs / 60;
                secs    = secs % 60;
                printf( "SUMMARY: tests %ld, pass %ld, fail %ld"
                                " (duration %ld:%ld:%02ld)\n\n",
                                tests,
                                passes,
                                failures,
                                hours,
                                mins,
                                secs);

                if ((_test_limit > 0) && (_test_limit <= tests))
                        break;

                if (_continuous == 0)
                        break;

                if ((_ignore_errors == 0) && (errs))
                        break;

                if ((_minute_limit) && (now >= t_limit))
                        break;
        }

        return(ret);
}