dds_ad9850.h

共享几个AVR单片机的常用代码

#include <avr/io.h>
#include <avr/pgmspace.h>
#include "Timer.h"

/*			PORT	DDR		PIN
	A		0x1B	0x1A	0x19	
	B		0x18	0x17	0x16	
	C		0x15	0x14	0x13
	D		0x12	0x11	0x10

DDS		
		RESET	PB4
		DATA	PB5
		WCLK	PB6
		FQUD	PB7
*/


#define DDS_SET_PORT_OUT	asm("sbi 0x11,0"::);asm("sbi 0x11,1"::);asm("sbi 0x11,2"::);asm("sbi 0x11,3"::)
#define DDS_RESET_ENABLE	asm("sbi 0x12,0"::)	//RESET
#define DDS_RESET_DISABLE	asm("cbi 0x12,0"::)

#define DDS_DATA_SETH		asm("sbi 0x12,1"::)
#define DDS_DATA_SETL		asm("cbi 0x12,1"::)

#define DDS_WCLK_SETH		asm("sbi 0x12,2"::)
#define DDS_WCLK_SETL		asm("cbi 0x12,2"::)

#define DDS_FQUD_SETH		asm("sbi 0x12,3"::)
#define DDS_FQUD_SETL		asm("cbi 0x12,3"::)


void DDS_Init(void);
void DDS_UpdateFreq(uint32_t freq) ;