#include?
#include?“12864.h“
#include?“delay.h“
#include?

#define?adc_start?0x08
#define?adc_flag?0x10

#define?T0_time?（65536-60000/f_val）?//24MHz晶振T0定時(shí)時(shí)間，1T模式

#define?uint?unsigned?int
#define?uchar?unsigned?char

sbit?g2r=P5^5;???????????????//繼電器
sbit?bx=P3^3;????????????????//波形切換按鍵
sbit?Vpp_z=P3^4;?????????????//峰峰值+
sbit?Vpp_j=P3^5;?????????????//峰峰值-
sbit?f_z=P3^6;???????????????//頻率+
sbit?f_j=P3^7;???????????????//頻率-
sbit?wr=P4^5;????????????????//DAC0832開關(guān)

uchar?lcd_xs[10];?????????????//lcd裝載使用
float?fz;????????????????????//波形峰峰值
uint?i;??????????????????????//T0中斷反饋
int?f_val=50;??????????????//頻率鍵值???默認(rèn)50Hz
uchar?keyval;????????????????//鍵值
uchar?code?forsin[403]={??????//正弦波數(shù)組
	0x7F0x810x830x850x870x890x8B0x8D0x8F0x91
	0x930x950x970x990x9B0x9D0x9F0xA10xA20xA4
	0xA60xA80xAA0xAC0xAE0xB00xB10xB30xB50xB7
	0xB90xBA0xBC0xBE0xC00xC10xC30xC50xC60xC8
	0xCA0xCB0xCD0xCE0xD00xD1