_csl_prevsetdfoffset.c

TI达芬奇dm644x各硬件模块测试代码

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

#include <csl_prev_aux.h>

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

/** @brief Sets the Dark frame offset
 */
CSL_Status  CSL_prevSetDFOffset(
    /** Pointer to the object that holds reference to the
     *  instance of PREV requested after the call 
	 */
    CSL_PrevHandle                         hPrev,
    /** Dark frame offset
	 */
    Uint16           					   offset
	){
	
	/*  Setup the configuration parameters in the  Line offset for dark frame data Register */
	hPrev->regs->DRKF_OFFSET = CSL_FMK(PREV_DRKF_OFFSET_OFFSET, offset);

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