_csl_osdsetwinaddr.c

来自「TI达芬奇dm644x各硬件模块测试代码」· C语言 代码 · 共 57 行

 
/** @file csl_osdHwControl.c
 *
 *  @brief Set OSD window data address
 *  @date 5th Oct, 2004
 *  @author Sandeep Tiwari
 */

#include <csl_osd.h>
#include <_csl_osd_aux.h>

CSL_Status   _CSL_osdSetWinAddr(
	/** Pointer to the object that holds reference to the
	  *  instance of OSD requested after the call 
	  */
	CSL_OsdHandle hOsd,
	
	/** Pointer to structure containing data to set the OSD window
          *  data address 
          */   
       CSL_OsdWinAddr * arg) 
{

	CSL_Status status = CSL_SOK;
	Uint32 addr;

	if(arg->address==NULL) {
		return CSL_ESYS_INVCMD;
	}
	addr = (Uint32)arg->address;

	switch(arg->winID) {

		case CSL_OSD_VID_WIN0:
			CSL_FINS(hOsd->regs->VIDWIN0ADR, OSD_VIDWIN0ADR_VIDWIN0ADR, addr);
			break;

		case CSL_OSD_VID_WIN1:
			CSL_FINS(hOsd->regs->VIDWIN1ADR, OSD_VIDWIN1ADR_VIDWIN1ADR, addr);
			break;

		case CSL_OSD_BMP_WIN0:
			CSL_FINS(hOsd->regs->OSDWIN0ADR, OSD_OSDWIN0ADR_OSDWIN0ADR, addr);
			break;

		case CSL_OSD_BMP_WIN1:
			CSL_FINS(hOsd->regs->OSDWIN1ADR, OSD_OSDWIN1ADR_OSDWIN1ADR, addr);
			break;

		default :
			status=CSL_ESYS_INVCMD;
			break;
	}

	return status;
}