at24c02driver.h

本代码是关于AT24C02串行存储器的读写的

#define SCL_0 P2_6=0
#define SCL_1 P2_6=1
#define SDA_0 P2_5=0
#define SDA_1 P2_5=1
#define SDA   P2_5

extern unsigned char at24c02byteread(unsigned char address);
extern void at24c02bytewrite(unsigned char address,unsigned char writedata);