adv7183_init.c

ADI的ADSP-BF561下实现PAL制式video的demo。

#include <sys/exception.h>

#include "I2C.h"
#include "ADV7183.h"
void ADV7183_init(void);
											
void ADV7183_init(void)
{
	extern volatile int SCCB_In_Progress;	
	short i = 0;
	
#if 0
	I2C_wr(ADV7183WR, 0x00, 0x00);		//(ADV7183WR, 0x00, 0x06)
	while(SCCB_In_Progress){};
	
	// COMB_FILTER_CONTROL_REGISTER - Chroma Comb mode 1H
//	I2C_wr(ADV7183WR, COMB_FILTER_CONTROL_REGISTER, CCM_1H);
//	while(SCCB_In_Progress){};

	// MANUAL_CLOCK_CONTROL_1_REGISTER - O/P freq set at 27MHz
//	I2C_wr(ADV7183WR, MANUAL_CLOCK_CONTROL_1_REGISTER, OUTPUT_27MHZ);
//	while(SCCB_In_Progress){};
#endif

	I2C_wr(ADV7183WR, 0x00,0x00); 
	while(SCCB_In_Progress){};
	I2C_wr(ADV7183WR, 0x15,0x41); 
	while(SCCB_In_Progress){};
//	I2C_wr(ADV7183WR, 0x31,0x02); 
	I2C_wr(ADV7183WR, 0x39,0x40); 
	while(SCCB_In_Progress){};
	I2C_wr(ADV7183WR, 0x3a,0x16); 
	while(SCCB_In_Progress){};
//	I2C_wr(ADV7183WR, 0x41,0x01); 
	I2C_wr(ADV7183WR, 0x4d,0xef); 
	while(SCCB_In_Progress){};
	I2C_wr(ADV7183WR, 0xcd,0x00); 
	while(SCCB_In_Progress){};
	I2C_wr(ADV7183WR, 0xce,0x01); 
	while(SCCB_In_Progress){};
	I2C_wr(ADV7183WR, 0xdb,0xbb); 
	while(SCCB_In_Progress){};
	I2C_wr(ADV7183WR, 0x0e,0x80); 
	while(SCCB_In_Progress){};
	I2C_wr(ADV7183WR, 0xb4,0x13); 
	while(SCCB_In_Progress){};
	I2C_wr(ADV7183WR, 0xb5,0x03); 
	while(SCCB_In_Progress){};
	I2C_wr(ADV7183WR, 0xd0,0x4a); 
	while(SCCB_In_Progress){};
	I2C_wr(ADV7183WR, 0xdc,0xef); 
	while(SCCB_In_Progress){};
	I2C_wr(ADV7183WR, 0x0e,0x00); 
	while(SCCB_In_Progress){};

}