adv7171_reset.c

彩条的产生

//-------------- void ADV7171_reset( )   start-------------------
#include "ADV7171_reset_head.h"

void ADV7171_reset()
{	
	unsigned short * p_Ushort;
	unsigned int * p_U_int;
	unsigned char * p_U_char;
	p_U_int = EBIU_AMBCTL0;
	*p_U_int =0x7bb07bb0; 	// configure EBIU
	p_U_int = EBIU_AMBCTL1;
	*p_U_int =0x7bb07bb0; 	// configure EBIU
	p_Ushort = EBIU_AMGCTL;
	*p_Ushort = 0x000f; 		// configure EBIU
	p_U_char = Flash_PortA_Data_Out;
	*p_U_char = 0;		
//portA4=0,portA5=0 for BF533 PPIclk select,portA2=0 for ADV7171 reset start
	p_U_char = Flash_PortA_Direction;
	*p_U_char = 0x34;  
	p_U_char = Flash_PortA_Data_Out;
	*p_U_char = 0x04;   // portA2=1 for ADV7171 reset end
}	
//------------- void ADV7171_reset()end-------------