variable.h

这是一种温度变送器的源代码

//ADC
extern int xdata Adc0_buffer[128];
extern unsigned char deg;//
//SMbus
extern unsigned char Slave;
extern unsigned char Dat_addr;
extern unsigned char Dat_val;
extern unsigned char Dat_24C02;
//display
extern unsigned char display[8];
extern unsigned int timer_cnt;	//显示延时计数
extern unsigned char disp_sta;	//显示位置
extern unsigned char disp_cnt;	//显示计数0-7
//key
extern unsigned char lastkey;	//上次按键值
extern unsigned char curkey;	//当前按键值
extern unsigned char keyval;	//最终键值
extern unsigned char keycount;	//按键延时计数
extern unsigned char keycnt;
//menu
extern unsigned char page_point;
extern unsigned char page_bak;
extern int	data mod_value;
extern unsigned int data mod_bak;
extern unsigned int key_mov;
extern unsigned char point_pos;
extern unsigned char point_pos_1;
extern unsigned char data ref_buffer;
extern unsigned char data counter;
extern unsigned char data volt_range1;
extern unsigned int  xdata ref_table[41];
//math
extern bit bdata b_o_flag; 
extern unsigned char  data volt_range;
extern int  code  * data current;
extern int	data sb;
extern int	data st;
extern int	data tb;
extern int	data tt;
extern long data calculate;
extern int data ad_value;
extern int data cal_mod_value;
extern int data led_degree;