_csl_previsbusy.c

来自「TI达芬奇dm644x各硬件模块测试代码」· C语言 代码 · 共 35 行

/** @file _csl_prevIsBusy.c
 *
 *  @brief    File for functional layer of CSL API @a CSL_prevIsBusy()
 *
 *  Description
 *    - The @a CSL_prevIsBusy() function definition & it's associated
 *      functions
 *
 *  @date 18th October, 2004
 *  @author Vignesh LA.
 */

#include <csl_prev_aux.h>

#pragma CODE_SECTION (CSL_prevIsBusy, ".text:csl_section:prev");

/** @brief Queries the busy status of the preview module
 *	
 */
CSL_Status  CSL_prevIsBusy(
    /** Pointer to the object that holds reference to the
     *  instance of PREV requested after the call 
	 */
    CSL_PrevHandle                         hPrev,
    /** Returns the response
	 */
    Uint8 								   *response
	){

	*response = CSL_FEXT(hPrev->regs->PCR, PREV_PCR_BUSY);

    return (CSL_SOK);
}