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

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

/* =============================================================================
 *  Revision History
 *  ===============
 *  20-dec-2004  BRN File Created.
 * =============================================================================
 */

#include <csl_pmx.h>

/** ============================================================================
 *   @n@b CSL_pmxHwSetupRaw
 *
 *   @b Description
 *   @n This function initializes the device registers with the register-values
 *      provided through the config data structure.
 *
 *   @b Arguments
 *   @verbatim
            hPmx            Handle to the PMX instance

            config          Pointer to the config structure containing the
                            device register values
     @endverbatim
 *
 *   <b> Return Value </b>  CSL_Status
 *   @li                    CSL_SOK             - Configuration successful
 *   @li                    CSL_ESYS_BADHANDLE  - Invalid handle
 *   @li                    CSL_ESYS_INVPARAMS  - Configuration structure
 *                                                pointer is not properly
 *                                                 initialized
 *
 *   <b> Pre Condition </b>
 *   @n  None
 *
 *   <b> Post Condition </b>
 *   @n  The registers of the specified PMX instance will be setup
 *       according to the values passed through the config structure
 *
 *   @b Modifies
 *   @n Hardware registers of the specified PMX instance
 *
 *   @b Example
 *   @verbatim
        CSL_PmxHandle           hPmx;
        CSL_PmxConfig           config = CSL_PMX_CONFIG_DEFAULTS;
        CSL_Status              status;

        ...

        status = CSL_pmxHwSetupRaw (hPmx, &config);

        ...

     @endverbatim
 * ===========================================================================
 */
#pragma CODE_SECTION (CSL_pmxHwSetupRaw, ".text:csl_section:pmx");
CSL_Status  CSL_pmxHwSetupRaw (
    CSL_PmxHandle        hPmx,
    CSL_PmxConfig        *config
)
{
    if (hPmx == NULL)
        return CSL_ESYS_BADHANDLE;

    if (config == NULL)
        return CSL_ESYS_INVPARAMS;

    /* PINMUX0 Register */
    hPmx->regs->PinMux0 = config->PINMUX0;

    /* PINMUX1 Register */
    hPmx->regs->PinMux1 = config->PINMUX1;

    return CSL_SOK;
}