ad9852.h

基于AVR单片机的AD9852的驱动程序

#ifndef _AD9852_H_
#define _AD9852_H_
#include <iom16v.h>

#define AD9852_CTRL_DDR		DDRB
#define AD9852_CTRL_PORT	PORTB
#define AD9852_CTRL_PIN		PINB

#define AD9852_MasterReset	0
#define AD9852_CLKPOWER		2
#define AD9852_IORESET		5
#define AD9852_SCLK			3
#define AD9852_SDIO			6
#define AD9852_IOUD			7

#define AD9852_Set_MasterReset() 	AD9852_CTRL_DDR |= (0x01<<AD9852_MasterReset);	AD9852_CTRL_PORT |= (0x01<<AD9852_MasterReset)
#define AD9852_Clr_MasterReset()  	AD9852_CTRL_DDR |= (0x01<<AD9852_MasterReset);	AD9852_CTRL_PORT &= (~(0x01<<AD9852_MasterReset))

#define AD9852_Set_CLKPOWER() 	AD9852_CTRL_DDR |= (0x01<<AD9852_CLKPOWER);		AD9852_CTRL_PORT |= (0x01<<AD9852_CLKPOWER)
#define AD9852_Clr_CLKPOWER()  	AD9852_CTRL_DDR |= (0x01<<AD9852_CLKPOWER);		AD9852_CTRL_PORT &= (~(0x01<<AD9852_CLKPOWER))

#define AD9852_Set_IORESET() 	AD9852_CTRL_DDR |= (0x01<<AD9852_IORESET);		AD9852_CTRL_PORT |= (0x01<<AD9852_IORESET)
#define AD9852_Clr_IORESET()  	AD9852_CTRL_DDR |= (0x01<<AD9852_IORESET);		AD9852_CTRL_PORT &= (~(0x01<<AD9852_IORESET))

#define AD9852_Set_SCLK() 	AD9852_CTRL_DDR |= (0x01<<AD9852_SCLK);		AD9852_CTRL_PORT |= (0x01<<AD9852_SCLK)
#define AD9852_Clr_SCLK()  	AD9852_CTRL_DDR |= (0x01<<AD9852_SCLK);		AD9852_CTRL_PORT &= (~(0x01<<AD9852_SCLK))

#define AD9852_Set_SDIO() 	AD9852_CTRL_DDR |= (0x01<<AD9852_SDIO);		AD9852_CTRL_PORT |= (0x01<<AD9852_SDIO)
#define AD9852_Clr_SDIO()  	AD9852_CTRL_DDR |= (0x01<<AD9852_SDIO);		AD9852_CTRL_PORT &= (~(0x01<<AD9852_SDIO))

#define AD9852_Set_IOUD() 	AD9852_CTRL_DDR |= (0x01<<AD9852_IOUD);		AD9852_CTRL_PORT |= (0x01<<AD9852_IOUD)
#define AD9852_Clr_IOUD()  	AD9852_CTRL_DDR |= (0x01<<AD9852_IOUD);		AD9852_CTRL_PORT &= (~(0x01<<AD9852_IOUD))

void AD9852_DataPost(unsigned char Addr, unsigned char *pDat, unsigned char Len);

void AD9852_ByteSend(unsigned char dat)
{
	unsigned char i;
	for (i=0;i<8;i++)
	{
		AD9852_Clr_SCLK();
		asm("nop");
		if ( dat & 0x80 )
		{
			AD9852_Set_SDIO();
		}
		else
		{
			AD9852_Clr_SDIO();
		}
		asm("nop");
		AD9852_Set_SCLK();
		dat <<= 1;
	}
}

#endif