spi.h

这是DS1620温度传感器的读写温度程序

//---------------------------------------------------------------------------
#ifndef spiH
#define spiH
//---------------------------------------------------------------------------

#include <REG2051.H>
sbit watchdog=P3^2;
sbit debug=P1^5;

extern bit receive_ren;
extern bit timeover_flag;
extern unsigned char counter ;
extern unsigned char combuf[9];
//extern unsigned char wr_combuf[8];
void init_spi();
void spi_send(unsigned char *buf,unsigned char len);
void  recieve(void);

#endif