ad7877.h

ADSP 与高速AD器件无缝链接的源代码

/*****************************************************************************
 * AD7877.h
 * Frank.liux    2008-12-17
 *****************************************************************************/
#ifndef	_AD7877_H_
#define	_AD7877_H_

#include	<cdefBF548.h>
#include 	<sys/exception.h> 	//system interuupt file 
#include <blackfin.h>
#include <ccblkfn.h>


#define	TIMOD_1		0x0001
#define	NONE		0x0
#define	TIMOD_2		0x0002


extern  char	FLAG_DAV;
extern  char    FLAG_PENIRQ;

void 	Set_PLL						(int pmsel,int pssel);
void	Initial_SPI0				(void);
void	AD7877_Init					(void);
void	Initial_AD7877_Interrupt	(void);
unsigned short Command 				(char Register,short Mode);
void	 AD7877_Program				(char Reg,short Mod);
void	delay 						(short time);
short	AD7877_Read					(void);
void	Test						(void);
	EX_INTERRUPT_HANDLER(IsrPB4_5);

#endif