test.c

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/*
 * Copyright (c) 2012, Leonardo Guardati <leonardo@guardati.it>
 *
 * Permission  to  use,  copy,  modify,  and/or distribute this
 * software  for  any  purpose  with  or  without fee is hereby
 * granted,  provided  that the above copyright notice and this
 * permission notice appear in all copies.
 *
 * THE  SOFTWARE  IS  PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS
 * ALL  WARRANTIES  WITH  REGARD TO THIS SOFTWARE INCLUDING ALL
 * IMPLIED  WARRANTIES  OF  MERCHANTABILITY  AND FITNESS. IN NO
 * EVENT  SHALL  THE  AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
 * INDIRECT,   OR   CONSEQUENTIAL   DAMAGES   OR   ANY  DAMAGES
 * WHATSOEVER  RESULTING  FROM  LOSS  OF  USE, DATA OR PROFITS,
 * WHETHER  IN  AN  ACTION  OF  CONTRACT,  NEGLIGENCE  OR OTHER
 * TORTIOUS  ACTION,  ARISING  OUT OF OR IN CONNECTION WITH THE
 * USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 */
#include "hapticLib.h"

uint8_t testContinuator(pattern_desc *pattern)
{

        /*
         * Create a handy reference for statusParameters
         * Note:
         *              - userParams data are not needed, so user MUST
         *                           pass NULL, and **initiator** check for it.
         *              - statusParams data reside on SystemDesc variable.
         */
        testStatusParameters *statusParams = &pattern->statusParams.test;

        if( statusParams->flag == 0 )
        {
                if( statusParams->duty > 64500 )
                {
                        statusParams->flag = 1;
                        statusParams->duty = 0 ;
                }
        }
        else
        {
                if( statusParams->duty > 64500 )
                {
                        // Ensure finish without vibrations
                        TIM_Channel_DutyChanger( 0, pattern->activeHaptorList->id );

                        // Removing pattern from scheduling
                        // and freeing all the haptors

                        cleanList(pattern->activeHaptorList);
                        pattern->name             = Null;
                        pattern->userParams       = NULL;
                        pattern->continuator      = NULL;
                        pattern->activeHaptorList = NULL;

                        return 0;
                }
        }

        statusParams->duty += 650;

        TIM_Channel_DutyChanger( statusParams->duty, pattern->activeHaptorList->id );

        return 0;
}

uint8_t testPatternGenerator(pattern_desc *pattern)
{

        /*
         * Create a handy reference for userParameters and statusParameters
         * Note:
         *              - userParams data reside on the user program module. (main.c)
         *              - statusParams data reside on SystemDesc variable.
         */
        testStatusParameters *statusParams = &pattern->statusParams.test;

        // No User Parameters check it is NULL
        if( pattern->userParams != NULL )
        {
#ifdef HL_DEBUG
                send_string("Test Pattern generator doesn't need optional \0");
                send_string("parameters. Please pass userParameters=NULL\r\n\0");
#endif
                return 1;
        }

        /* Status initialization */
        statusParams->flag = 0;
        statusParams->duty = 0;

        /* Ready to schedule the pattern */
        pattern->continuator  = &testContinuator;

        return 0;
}