ppi_config.c

来自「基于BF533的视频采集及显示」· C语言 代码 · 共 35 行

/******************************************************************************/
//
// Name: 	BF533  PPI Setup
//
/******************************************************************************

File Name:	PPI_Config.c

Special Connections:  None

Purpose:		The file sets up the PPI transfer
				
*********************************************************************************/


#include <cdefBF533.h>
#include "PPI_Config.h"

void Init_PPI(void)
{

	//The PPI is set to receive 625 lines for each frame
	*pPPI_FRAME = 625;	

	//PPI enabled, input mode, active video only, receive field 1&2, 
	//packing enabled, DMA32 enabled, skipping enabled, 8bit data bus, nothing inverted
    //*pPPI_CONTROL =   PORT_EN | FLD_SEL | PACK_EN | DMA32 | SKIP_EN | DLEN_8 ;
      *pPPI_CONTROL =    FLD_SEL | PACK_EN | DMA32 |  DLEN_8 ;
   
    // *pPPI_CONTROL |=  0x2;

}