osc.h

基于Mini51板的数字示波器设计

#define ZEROX 4    //LCD坐标x零点
#define ZEROY 55   //LCD坐标y零点
#define WIDTH 121  //波形显示窗口宽度，含边框
#define HEIGHT 51  //波形显示窗口高度，含边框
#define ALL_LINE 7 //波形窗口LCD占用7行
#define  DATA_SIZE 255

extern unsigned char val_vdiv; //Y轴电压标度索引0～5
extern unsigned char val_tdiv; //X轴时间标度索引0～5
extern unsigned char acdc_flag; //交流直流档切换
extern unsigned char run_flag;  //运行停止切换

extern char movx; //水平移动
extern char movy; //垂直移动
extern unsigned char pointxA;
extern unsigned char pointxB;
extern unsigned char pointyA;
extern unsigned char pointyB;
extern unsigned char code vdiv[];

extern unsigned char xdata da_buffer[DATA_SIZE];
extern unsigned char da_finish;


extern void disp_ypoint(void);
extern void disp(unsigned char,unsigned char,char);
extern void disp_vdiv(void);