_csl_prevsetcsup.c

来自「TI达芬奇dm644x各硬件模块测试代码」· C语言 代码 · 共 40 行

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

#include <csl_prev_aux.h>

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

/** @brief Configures the Chroma suppression using the values passed.
 * 
 */
CSL_Status  CSL_prevSetCSup(
    /** Pointer to the object that holds reference to the
     *  instance of PREV requested after the call 
	 */
    CSL_PrevHandle                         hPrev,
	/** Pointet to the object that holds reference to the
	 *  structure holding chroma suppression gain and threshold
	 */ 
	CSL_PrevCSupData						   *data
	){

    if(data == NULL) return (CSL_ESYS_INVPARAMS);

	hPrev->regs->CSUP = CSL_FMK(PREV_CSUP_HPFY, data->hpf)|
	                   CSL_FMK(PREV_CSUP_CSUPTH, data->threshold)|
	                   CSL_FMK(PREV_CSUP_CSUPG, data->gain);

    return (CSL_SOK);
}