csl_tmrhwcontrol.c

TI达芬奇dm644x各硬件模块测试代码

/*  ============================================================================
 *   Copyright (c) Texas Instruments Inc 2002, 2003, 2004, 2005
 *
 *   Use of this software is controlled by the terms and conditions found in the
 *   license agreement under which this software has been supplied.
 *   ===========================================================================
 */

/** @file csl_tmrHwControl.c
 *
 *  @brief    File for functional layer of CSL API @a CSL_tmrHwControl()
 *
 *  Description
 *    - The @a CSL_tmrHwControl() function definition & it's associated
 *      functions
 *
 *  Path: \\(CSLPATH)\\ipmodules\\timer\\src
 */

/* =============================================================================
 *  Revision History
 *  ===============
 *  1-Sept-2004 HMM File Created.
 * =============================================================================
 */

#include <csl_tmr.h>
#include <csl_tmrAux.h>

/** ============================================================================
 *   @n@b CSL_tmrHwControl
 *
 *   @b Description
 *   @n Takes a command of TMR with an optional argument & implements it.
 *
 *   @b Arguments
 *   @verbatim
            hTmr            Handle to the TMR instance

            cmd             The command to this API indicates the action to be
                            taken on TMR.

            arg             An optional argument.

     @endverbatim
 *
 *   <b> Return Value </b>  CSL_Status
 *   @li                    CSL_SOK             - Status info return successful.
 *   @li                    CSL_ESYS_BADHANDLE  - Invalid handle
 *   @li                    CSL_ESYS_INVCMD     - Invalid command
 *   @li                    CSL_ESYS_FAIL       - Invalid instance number
 *
 *   <b> Pre Condition </b>
 *   @n  None
 *
 *   <b> Post Condition </b>
 *   @n  None
 *
 *   @b Modifies
 *   @n The hardware registers of TMR.
 *
 *   @b Example
 *   @verbatim
         CSL_TmrCount    tmrCount = 0xABCD;

         status = CSL_tmrHwControl(hTmr, CSL_TIMER_CMD_LOAD, &tmrCount);
     @endverbatim
 *  ============================================================================
 */
#pragma CODE_SECTION (CSL_tmrHwControl, ".text:csl_section:tmr");
CSL_Status CSL_tmrHwControl (
    CSL_TmrHandle              hTmr,
    CSL_TmrHwControlCmd        cmd,
    void                      *arg
)
{
    CSL_Status status = CSL_SOK ;

    if (hTmr == NULL) {
        return CSL_ESYS_BADHANDLE;
    }

    switch (cmd) {

        /* Load PRD12 */
        case CSL_TMR_CMD_LOAD_PRD12:
            CSL_TmrLoadPrd12 (hTmr, (Uint32 *)arg);
            break;

        /* Load PRD34 */
        case CSL_TMR_CMD_LOAD_PRD34:
            CSL_TmrLoadPrd34 (hTmr, (Uint32 *)arg);
            break;

        /* Load PSC34 */
        case CSL_TMR_CMD_LOAD_PRESCALAR34:
            CSL_TmrLoadPrescalar34 (hTmr, (Uint8 *)arg);
            break;

        /* start the timer12 */
        case CSL_TMR_CMD_START12:
            CSL_TmrStart12 (hTmr, *((CSL_TmrEnamode *)arg) );
            break;

        /* start the timer12 */
        case CSL_TMR_CMD_START34:
            CSL_TmrStart34 (hTmr, *((CSL_TmrEnamode *)arg) );
            break;

        /* Stop the Timer12 */
        case CSL_TMR_CMD_STOP12:
            CSL_TmrStop12 (hTmr);
            break;

        /* Stop the Timer34 */
        case CSL_TMR_CMD_STOP34:
            CSL_TmrStop34 (hTmr);
            break;

        /* Reset the Timer12 */
        case CSL_TMR_CMD_RESET12:
            CSL_TmrReset12 (hTmr);
            break;

        /* Reset the Timer34 */
        case CSL_TMR_CMD_RESET34:
            CSL_TmrReset34 (hTmr);
            break;

        /* Set the data for TINP12 pin */
        case CSL_TMR_CMD_SET_GPIO_DATA_TINP12:
            CSL_tmrSetTinp12Data (hTmr, *((Bool *)arg) );
            break;

        /* Set the data for TOUTP12 pin */
        case CSL_TMR_CMD_SET_GPIO_DATA_TOUTP12:
            CSL_tmrSetToutp12Data (hTmr, *((Bool *)arg) );
            break;

        /* Set the data for TINP34 pin */
        case CSL_TMR_CMD_SET_GPIO_DATA_TINP34:
            CSL_tmrSetTinp34Data (hTmr, *((Bool *)arg) );
            break;

        /* Set the data for TOUTP34 pin */
        case CSL_TMR_CMD_SET_GPIO_DATA_TOUTP34:
            CSL_tmrSetToutp34Data (hTmr, *((Bool *)arg) );
            break;

        /* Set the data direction TINP12 pin */
        case CSL_TMR_CMD_CONFIG_GPIO_DIR_TINP12:
            CSL_tmrConfigTinp12Dir (hTmr, *((Bool *)arg) );
            break;

        /* Set the data direction TINP34 pin */
        case CSL_TMR_CMD_CONFIG_GPIO_DIR_TINP34:
            CSL_tmrConfigTinp34Dir (hTmr, *((Bool *)arg) );
            break;

        /* Set the data direction TOUTP12 pin */
        case CSL_TMR_CMD_CONFIG_GPIO_DIR_TOUTP12:
            CSL_tmrConfigToutp12Dir (hTmr, *((Bool *)arg) );
            break;

        /* Set the data direction TOUTP34 pin */
        case CSL_TMR_CMD_CONFIG_GPIO_DIR_TOUTP34:
            CSL_tmrConfigToutp34Dir (hTmr, *((Bool *)arg) );
            break;

        /* Start the timer in GPtimer64 OR Chained mode */
        case CSL_TMR_CMD_START64:
            CSL_TmrStart64 (hTmr, *((CSL_TmrEnamode *)arg) );
            break;

        /* Stop the timer of GPtimer64 OR Chained */
        case CSL_TMR_CMD_STOP64:
            CSL_TmrStop64 (hTmr);
            break;

        /* Reset the timer of GPtimer64 OR Chained */
        case CSL_TMR_CMD_RESET64:
            CSL_TmrReset64 (hTmr);
            break;

        default:
            status = CSL_ESYS_INVCMD;
    }

    return status;
}