_csl_prevsetcntbrt.c

TI达芬奇dm644x各硬件模块测试代码

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

#include <csl_prev_aux.h>

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

/** @brief Configures the Brightness and the contrast using the values 
 *  passed
 */
CSL_Status  CSL_prevSetCntBrt(
    /** Pointer to the object that holds reference to the
     *  instance of PREV requested after the call 
	 */
    CSL_PrevHandle                         hPrev,
	CSL_PrevCntBrtData					   *data
	){

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

	hPrev->regs->CNT_BRT = CSL_FMK(PREV_CNT_BRT_CNT, data->contrast)|
	                       CSL_FMK(PREV_CNT_BRT_BRT, data->brightness);

    return (CSL_SOK);
}