_csl_prevsetreadoffset.c

TI达芬奇dm644x各硬件模块测试代码

/** @file _csl_prevSetReadOffset.c
 *
 *  @brief    File for functional layer of CSL API @a CSL_prevSetReadOffset()
 *
 *  Description
 *    - The @a CSL_prevSetReadOffset() function definition & it's associated
 *      functions
 *
 *  @date 20th October, 2004
 *  @author Vignesh LA.
 */

#include <csl_prev_aux.h>

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

/** @brief Sets the Read Offset
 */
CSL_Status  CSL_prevSetReadOffset(
    /** Pointer to the object that holds reference to the
     *  instance of PREV requested after the call 
	 */
    CSL_PrevHandle                         hPrev,
    /** Read Offset
	 */
    Uint16           					   offset
	){
	
	/*  Setup the configuration parameters in the  Read Offset from SDRAM Register */
	hPrev->regs->RADR_OFFSET = CSL_FMK(PREV_RADR_OFFSET_OFFSET,offset);

	if(offset%32)
		return (CSL_ESYS_INVPARAMS);
	else
		return (CSL_SOK);
}