_csl_prevsetwhitebal.c

TI的DM6446的硬件平台搭建的相关例子

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

#include <csl_prev_aux.h>

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

/** @brief Configures the PREV using the values passed in through the
 *  White balance coefficient and digital gain
 */
CSL_Status  CSL_prevSetWhiteBal(
    /** Pointer to the object that holds reference to the
     *  instance of PREV requested after the call 
	 */
    CSL_PrevHandle                         hPrev,
    /** Pointer to White balance coefficients data used to set it up.
	 */
    CSL_PrevWBalData                       *data
	){
	
    CSL_PrevRegsOvly prevRegs =  hPrev->regs; 
    if(data == NULL) return (CSL_ESYS_INVPARAMS);
	
	prevRegs->WB_DGAIN = CSL_FMK(PREV_WB_DGAIN_DGAIN,data->dGain);

	prevRegs->WBGAIN =	CSL_FMK(PREV_WBGAIN_COEF3, data->coef3) |
						CSL_FMK(PREV_WBGAIN_COEF2, data->coef2) |
						CSL_FMK(PREV_WBGAIN_COEF1, data->coef1) |
						CSL_FMK(PREV_WBGAIN_COEF0, data->coef0);
	
    return (CSL_SOK);
}