main.h

基于USB接口的GPS驱动程序.gps后段接受以及输出,及usp驱动读写

//#include "reg51rb2.h"
#include "reg420.h"
#include <stdio.h>

#include "gbl_macro.h"

extern void init_ser(char baud);
extern void rst_usb(void);
extern void init_xram(void);
extern void init_usb(void);
extern void init_timer(void);
extern void send_gp2021(void);
extern void send_gp2021_first(void);
extern void send_gp2021_second(void);
extern void put_char(char);
extern void puthex_char(char);
extern void DELAY_25MS(void);

extern unsigned char data frm_count, buffer_count,new_data_flag1,new_data_flag2,status, event;
extern unsigned char xdata gp2021_reg_buf[], gp2021_reg_write[];

unsigned char start_sending;