ad7715.h

ad7715在avr单片机下的驱动程序

#define SCLK_1  (PORTE|=0x04)
#define SCLK_0  (PORTE&=~0x04)
#define DAT_1   (PORTE|=0x08)
#define DAT_0   (PORTE&=~0x08)
#define DAT_DIR_OUT  (DDRE|=0x08)
#define DAT_DIR_IN   (DDRE&=~0x08)
#define DAT_IN       (PINE&=0x08)
#define AD7715_Int_ON  (EIMSK |= 0x10)
#define AD7715_Int_STOP  (EIMSK &= ~0x10)

extern void Delayx10ms(unsigned int count);
extern void wrad7715(unsigned char cod);
extern unsigned int rddata(void);
extern void Init_AD7715(void);    
extern void Channel(unsigned char channel);

extern unsigned int ADC_buffer;
extern unsigned char Ready;