欧美夜夜爽,久久国产电影,中文字幕av一区二区三区

#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
#define DAdata P0 //DA數(shù)據(jù)端口
sbit DA_S1=P2^0;
sbit DA_S2=P2^1;
sbit key =P3^2;
uchar wavecount; //波形波碼計(jì)數(shù)標(biāo)志
uchar THtemp,TLtemp;//傳遞頻率的中間變量
uchar judge=1; //用于方波函數(shù)，作標(biāo)志
uchar waveform; //波形計(jì)數(shù)標(biāo)志，值不同代表不同的波形
uchar code freq_unit[3]={10,50,200};//3種波形的頻率單位
uchar idata wavefreq[3]={1,1,1}; //數(shù)組單元，用于存放單位頻率的個(gè)數(shù)
uchar code lcd_hang1[]={"SineWave ""TriangleWave ""SquareWave " "sawtoothWave " "Select Wave " " Press No.1 key! "};
uchar idata lcd_hang2[16]={"f= Hz "};
uchar code waveTH[]={0xfe,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xf9,0xfc,0xfd,0xfe,0xfe,0xfe,0xff,0xff,0xff,0xff,
0xf6,0xfb,0xfd,0xfb,0xfe,0xff,0xff,0xff,0xff,0xff};
/**********************************/
uchar code waveTL[]={
0x79,0x3d,0x7e,0x9e,0xbe,0xbf,0xc8,0xcf,0xd4,0xd9,//正弦波頻率調(diào)整中間值
0xe8,0xf4,0xf8,0x7a,0x7c,0xfc,0x23,0x3d,0x53,0x64,//鋸齒波頻率調(diào)整中間值
0x3c,0x1e,0x8f,0x32,0xc7,0x63,0xb1,0xd8,0xec,0xf6};//方波頻率調(diào)整中間值
/*********************************/
uchar code sawtooth_tab[]={
0x00,0x04,0x08,0x0c,0x10,0x14,0x18,0x1c,0x20,0x24,0x28,0x2c,
0x30,0x34,0x38,0x3c,0x40,0x44,0x48,0x4c,0x50,0x54,0x58,0x5c,
0x60,0x64,0x68,0x6c,0x70,0x74,0x78,0x7c,0x80,0x84,0x88,0x8c,
0x90,0x94,0x98,0x9c,0xa0,0xa4,0xa8,0xac,0xb0,0xb4,0xb8,0xbc,
0xc0,0xc4,0xc8,0xcc,0xd0,0xd4,0xd8,0xdc,0xe0,0xe4,0xe8,0xec,
0xf0,0xf4,0xf8,0xfc};
/*****************************/
uchar code sine_tab[256]={
0x80,0x83,0x86,0x89,0x90,0x93,0x96,0x99,0x9c,0x9f,
0xa2,0xa5,0xa8,0xab,0xae,0xb1,0xb4,0xb7,0xba,0xbc,0xbf,
0xc2,0xc5,0xc7,0xca,0xcc,0xcf,0xd1,0xd4,0xd8,0xda,0xdd,0xdf,
0xe1,0xe3,0xe5,0xe7,0xe9,0xea,0xec,0xee,0xef,0xf1,0xf2,0xf4,
0xf5,0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,0xfc,0xfd,0xfd,0xfe,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xfe,
0xfd,0xfd,0xfc,0xfb,0xfa,0xf9,0xf8,0xf7,0xf6,0xf5,0xf4,0xf2,0xf1,
0xef,0xee,0xec,0xea,0xe9,0xe7,0xe5,0xe3,0xe1,0xde,0xdd,0xda,0xd8,
0xd6,0xd4,0xd1,0xcf,0xcc,0xca,0xc7,0xc5,0xc2,0xbf,0xbc,0xba,0xb7,
0xb4,0xb1,0xae,0xab,0xa8,0xa5,0xa2,0x9f,0x9c,0x99,0x96,0x93,0x90,
0x8d,0x89,0x86,0x83,0x80,0x7c,0x79,0x76,0x72,0x6f,0x6c,0x69,0x66,
0x63,0x60,0x5d,0x5a,0x57,0x55,0x51,0x4e,0x4c,0x48,0x45,0x43,0x40,
0x3d,0x3a,0x38,0x35,0x33,0x30,0x2e,0x2b,0x29,0x27,0x25,0x22,0x20,
0x1e,0x1c,0x1a,0x18,0x16,0x15,0x13,0x11,0x10,0x0e,0x0d,0x0b,0x0a,
0x09,0x08,0x07,0x06,0x05,0x04,0x03,0x02,0x02,0x01,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x02,0x03,
0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0d,0x0e,0x10,0x11,0x13,
0x15,0x16,0x18,0x1a,0x1c,0x1e,0x20,0x22,0x25,0x27,0x29,0x2b,0x2e,
0x30,0x33,0x35,0x38,0x3a,0x3d,0x40,0x43,0x45,0x48,0x4c,0x4e,0x51,
0x55,0x57,0x5a,0x5d,0x60,0x63,0x66,0x69,0x6c,0x6f,0x72,0x76,0x79,0x7c,0x80};
/**************************************************/
void delay(uchar z)
{
uchar x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
/*
void sawtooth_out()//鋸齒波輸出
{
uchar i;
for(i=255;i>0;i--)
{
DAdata=i;
DA_S1=0;//打開(kāi)8位輸入寄存器
DA_S1=1;//關(guān)閉8位輸入寄存器
}
}
*/
void sawtooth_out()//鋸齒波輸出
{
DAdata=sawtooth_tab[wavecount++];
if(wavecount>64) wavecount=0;
DA_S1=0;//打開(kāi)8位輸入寄存器
DA_S1=1;
}
void sine_out()//正弦波輸出
{
DAdata=sine_tab[wavecount++];
DA_S1=0;//打開(kāi)8位輸入寄存器
DA_S1=1;//關(guān)閉8位輸入寄存器
}
void square_out()//方波輸出
{
judge=~judge;
if(judge==1)
DAdata=0xff;
else
DAdata=0x00;
DA_S1=0;//打開(kāi)8位輸入寄存器
DA_S1=1;//關(guān)閉8位輸入寄存器
}
/******************************/
/**********1602***************/
/****************************/
#define lcd_ports P1
sbit rs=P2^2;
sbit rw=P2^3;
sbit lcden=P2^4;
void write_com(uchar com)
{
rs=0; //寫(xiě)指令
lcden=0;
lcd_ports=com;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void write_date(uchar date)
{
rs=1; //寫(xiě)數(shù)據(jù)
lcden=0;
lcd_ports=date;
delay(10);
lcden=1;
delay(10);
lcden=0;
}
void disp_lcd(uchar addr,uchar *temp1)
{
uchar num;
write_com(addr);
delay(1);
for(num=0;num<16;num++)
{
write_date(temp1[num]);
delay(10);
}
}
void init_lcd()
{
lcden=0;
rw=0; //初始化一定要設(shè)置為零，表示寫(xiě)數(shù)據(jù)
write_com(0x38);//使液晶顯示點(diǎn)陣，為下面做準(zhǔn)備
write_com(0x0c);//初始設(shè)置
write_com(0x06);//初始設(shè)置
write_com(0x01);//清零
write_com(0x80);//使指針指向第一行第一格
disp_lcd(0x80,&lcd_hang1[3*16]);//在第一行顯示
disp_lcd(0xc0,&lcd_hang2[4*16]);//在第二行顯示
}
/**********************************************/
void main()
{
DA_S2=0;
DAdata=0;
DA_S1=1; //關(guān)閉8位輸入寄存器
init_lcd();
waveform=0;
TMOD=0x01;//設(shè)定定時(shí)器0為16位工作方式
IT0=1;//設(shè)置外部中斷0為下降沿觸發(fā)
ET0=1;//開(kāi)定時(shí)器中斷
EA=1;
while(1)
{
}
}
void key_int0() interrupt 0
{
uchar keytemp;
uint total_freq;//總頻率
EA=0;
TR0=0;
delay(10);
if(key==0) //判斷按鍵是否按下
{
keytemp=P3&0xf0;//獲取P3口高四位的值
switch(keytemp) //根據(jù)按鍵次數(shù)選擇波形
{
case 0xe0:
waveform++;
if(waveform>2)waveform=0;
break;
case 0xd0:
wavefreq[waveform]++; // 頻率按單位增加
if(wavefreq[waveform]>10)wavefreq[waveform]=1;
break;
case 0xb0: // 頻率按單位遞減
wavefreq[waveform]--;
if(wavefreq[waveform]<1)wavefreq[waveform]=10;
break;
}
THtemp=waveTH[waveform*10+(wavefreq[waveform]-1)];
//方括號(hào)中選取第幾個(gè)數(shù)后，并把該值賦給T_temp
TLtemp=waveTL[waveform*10+(wavefreq[waveform]-1)];
……………………
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