hd7279.h.bak

这是一个

extern void long_delay(void);						// 长延时
extern void short_delay(void);                                          // 短暂延时
extern void delay10ms(unsigned char);
extern void write7279(unsigned char, unsigned char,unsigned char);// 发送一个字节	// 写入到HD7279

extern unsigned char read7279(unsigned char);			// 从HD7279读出
extern void send_byte(unsigned char,unsigned char);
extern unsigned char receive_byte(void);