#include <absacc.h>
#include <reg52.h>
#define DA0832 XBYTE[0xfffe]
#define uchar unsigned char
#define uint unsigned int
sbit S1 = P1^0;
sbit S2 = P1^1;
//00鋸齒波；01方波；10三角波；11正弦波
sbit RS=P1^2; //資料/命令選擇端（H/L）
sbit RW=P1^3; //讀/寫選擇端（H/L）,本文章只寫，所以該埠供低電平
sbit EN=P1^4; //使能端
sbit wela=P3^3;//鎖存器位選信號
uchar table1[]="sawtooth wave";//字符表1
uchar table2[]="square wave";//字符表2
uchar table3[]="triangular wave";//字符表3
uchar table4[]="sine wave";//字符表4
uchar table5[]="f=1000HZ,A=200";//字符表5
uchar code sin_tab[] = //正弦波輸出表
{
0x80,0x83,0x86,0x89,0x8D,0x90,0x93,0x96,0x99,0x9C,0x9F,0xA2,0xA5,0xA8,0xAB,0xAE,
0xB1,0xB4,0xB7,0xBA,0xBC,0xBF,0xC2,0xC5,0xC7,0xCA,0xCC,0xCF,0xD1,0xD4,0xD6,0xD8,
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,0xE9,0xE7,0xE5,0xE3,0xE1,0xDF,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,
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,0x7E
};
void Delay_MS(uint);// delay
void stair(uchar AMP);//鋸齒波
void square(uchar AMP, uchar THL,uchar TLL);//方波 AMP電流 THL電流環最大輸出 TLL
void trian(uchar AMP);//三角波
void sin();//正弦波
void scan();//掃描函式
void delay(uint x) //延時函式
{
uint a,b;
for(a=x;a>0;a--)
for(b=10;b>0;b--);
}
void delay1(uint x) //延時函式
{
uint a,b;
for(a=x;a>0;a--)
for(b=100;b>0;b--);
}
//**************************寫命令函式*******************************
void write_com(uchar com)
{
wela=1; //鎖存器位選打開
P0=com; //向P0口寫命令
wela=0; //鎖存器位選關閉
RS=0; //以下部分跟據1602手冊的時序圖寫出
EN=0;
RW=0;
delay(10);
EN=1;
delay(10);
EN=0;
}
//*******************寫資料函式***************************************
void write_date(uchar date) {
wela=1;
P0=date;
wela=0;
RS=1;
EN=0;
RW=0;
delay(10);
EN=1;
delay(10);
EN=0;
}
//************************初始化函式****************************
void init()
{
write_com(0x38); //三次顯示模式設定，不檢測忙信號
delay(5);
write_com(0x38);
delay(5);
write_com(0x38);
delay(5);
write_com(0x38); //顯示模式設定，開始要求檢測忙信號：8位、2行、5X7點陣
write_com(0x08); //關閉顯示
write_com(0x01); //清屏
write_com(0x06); //顯示游標移動設定：文字不動，游標自動右移
write_com(0x0C); //顯示開及游標設定：游標關、游標不閃爍
}
void main()
{
while(1)
{
//逐個測驗
//stair(200);
//square(200,10,10);
//trian(200);
//sin();
scan();
}
}
void tap1()
{
uchar a;
init();
write_com(0x80); //第一行起始地址
delay(20);
for(a=0;a<14;a++)
{
write_date(table1[a]);//讀取字符表
delay(20);
}
write_com(0xc0); //第二行起始地址
delay(20);
for(a=0;a<17;a++)
{
write_date(table5[a]);//讀取字符表
delay(20);
}
while(1); //保持顯示
}
void tap2()
{
uchar a;
init();
write_com(0x80); //第一行起始地址
delay(20);
for(a=0;a<12;a++)
{
write_date(table2[a]);//讀取字符表
delay(20);
}
write_com(0xc0); //第二行起始地址
delay(20);
for(a=0;a<17;a++)
{
write_date(table5[a]);//讀取字符表
delay(20);
}
while(1); //保持顯示
}
void tap3()
{
uchar a;
init();
write_com(0x80); //第一行起始地址
delay(20);
for(a=0;a<16;a++)
{
write_date(table3[a]);//讀取字符表
delay(20);
}
write_com(0xc0); //第二行起始地址
delay(20);
for(a=0;a<17;a++)
{
write_date(table5[a]);//讀取字符表
delay(20);
}
while(1); //保持顯示
}
void tap4()
{
uchar a;
init();
write_com(0x80); //第一行起始地址
delay(20);
for(a=0;a<10;a++)
{
write_date(table4[a]);//讀取字符表
delay(20);
}
write_com(0xc0); //第二行起始地址
delay(20);
for(a=0;a<17;a++)
{
write_date(table5[a]);//讀取字符表
delay(20);
}
while(1); //保持顯示
}
void scan()
{
if((0 == S1) &&(0 == S2))
{
stair(200);
tap1()
}
else if((1 == S1) && (0 == S2))
{
square(200,10,10);
tap2()
}
else if((0 == S1) && (1 == S2))
{
trian(200);
tap3()
}
else
{ sin();
tap4()
}
}
void Delay_MS(uint n)
{
uint k;
for(n; n >0 ;n--)
for(k = 10; k > 0 ;k--);
}
void stair(uchar AMP)
{
uchar i;
for(i = 0 ;i < 255; i++)
{
DA0832 = i;
}
}
void square(uchar AMP, uchar THL, uchar TLL)
{
DA0832 = 255 - AMP;
Delay_MS(THL);
DA0832 = 255;
Delay_MS(TLL);
}
void trian(uchar AMP)
{
uchar i;
for(i = 255 - AMP ;i < 255; i++)
{
DA0832 = i;
}
for(i-1 ;i > 255 - AMP; i--)
{
DA0832 = i;
}
}
void sin()
{
uchar i;
for(i = 0; i < 255; i++)
{
DA0832 = sin_tab[i];
}
}
uj5u.com熱心網友回復：
你把程式想干什么告訴大家。uj5u.com熱心網友回復：
編譯器都告訴你了，語法有錯，void scan()
{
if((0 == S1) &&(0 == S2))
{
stair(200);
tap1()
}
每一句語法結束，加個英文狀態的 ;
如這里的 tap1();
轉載請註明出處，本文鏈接：https://www.uj5u.com/qita/40908.html
標籤：單片機/工控