csl_venccompositesetup.c

TI达芬奇dm644x各硬件模块测试代码

/** @file csl_vencCompositeSetup.c
 *
 *  @brief    File for functional layer of CSL API @a CSL_vencCompositeSetup()
 *
 *  Description
 *    - The @a CSL_vencCompositeSetup() function definition & it's associated
 *      functions
 *
 *  Modification 1
 *    - Modified on: 10/4/2004
 *    - Reason: created the sources
 *
 *  @date 4th October, 2004
 *  @author Santosh Narayanan.
 */

#include <csl_venc.h>

#pragma CODE_SECTION (CSL_vencCompositeSetup, ".text:csl_section:venc");

/** @brief Configures the VENC using the values passed in through the
 *  setup structure. 
 */
CSL_Status  CSL_vencCompositeSetup(
    /** Pointer to the object that holds reference to the
     *  instance of VENC requested after the call 
	 */
    CSL_VencHandle                         hVenc,
    /** Pointer to setup structure which contains the
     *  information to program VENC to a useful state 
	 */
    CSL_VencCompositeConfig                        *setup
	)
{

    CSL_Status status = CSL_SOK;

    /* Composite mode specific settings */
    hVenc->regs->CVBS = (hVenc->regs->CVBS & 0xFFFF8FC0)
                                          |(CSL_FMK(VENC_CVBS_YCDLY, setup->ycdly)
                                          |CSL_FMK(VENC_CVBS_CVLVL, setup->cvlvl)
                                          |CSL_FMK(VENC_CVBS_CSTUP, setup->cstup)
                                          |CSL_FMK(VENC_CVBS_CBLS, setup->cbls)
                                          |CSL_FMK(VENC_CVBS_CRCUT, setup->crcut)
                                          |CSL_FMK(VENC_CVBS_CBBLD, setup->cbbld)
                                          |CSL_FMK(VENC_CVBS_CSBLD, setup->csbld));

    hVenc->regs->ETMG0 =  (hVenc->regs->ETMG0 & 0xFFFFF000)
   	                                   |(CSL_FMK(VENC_ETMG0_CEPW, setup->cepw)
   	                                   |CSL_FMK(VENC_ETMG0_CFSW, setup->cfsw)
   	                                   |CSL_FMK(VENC_ETMG0_CLSW, setup->clsw));

    hVenc->regs->ETMG1 = (hVenc->regs->ETMG1 & 0xFFFF0000)
   	                                   |(CSL_FMK(VENC_ETMG1_CBSE, setup->cbse)
   	                                   |CSL_FMK(VENC_ETMG1_CBST, setup->cbst)
   	                                   |CSL_FMK(VENC_ETMG1_CFPW, setup->cfpw)
   	                                   |CSL_FMK(VENC_ETMG1_CLBI, setup->clbi));
	
   return status;
}