这个单片机程序为什么总是两个警告? 求帮助

ID:667319 · 发表于 2019-12-18 17:48

#include<reg51.h>
#define uchar unsigned char
#define uchar unsigned char
#define uint unsigned int
#define LCDPORT P0
uchar code tab[]="Press key";
uchar code tab1[]="Select song";
uchar code tab2[]="First Song" ;
uchar code tab3[]="butterfly";
uchar code tab4[]="Second Song" ;
uchar code tab5[]="Jingle bell ";
uchar code tab6[]="Third Song" ;
uchar code tab7[]="Yesterday";
uchar code tab8[]="Forth Song" ;
uchar code tab9[]="Youth League";
sbit LCDE=P2^2;
sbit LCDRW=P2^1;
sbit LCDRS=P2^0;
#define SYSTEM_OSC 12000000 //定义晶振频率12000000HZ
#define SOUND_SPACE 4/5 //定义普通音符演奏的长度分率,//每4分音符间隔
sbit BeepIO = P3^7; //定义输出管脚
sbit K1=P1^7;
unsigned int code FreTab[12] = { 262,277,294,311,330,349,369,392,415,440,466,494 }; //原始频率表
unsigned char code SignTab[7] = { 0,2,4,5,7,9,11 }; //1~7在频率表中的位置
unsigned char code LengthTab[7]= { 1,2,4,8,16,32,64 };
unsigned char Sound_Temp_TH0,Sound_Temp_TL0; //音符定时器初值暂存
unsigned char Sound_Temp_TH1,Sound_Temp_TL1;
unsigned char code Music_Girl[]=
{ 0x1B,0x02, 0x1A,0x02, 0x1B,0x02, 0x19,0x66, 0x1A,0x03,
0x18,0x02, 0x17,0x02, 0x16,0x0D, 0x17,0x03, 0x18,0x0D,
0x17,0x03, 0x19,0x66, 0x17,0x03, 0x16,0x0D, 0x17,0x03,
0x19,0x0D, 0x16,0x03, 0x17,0x0D, 0x18,0x03, 0x17,0x0D,
0x16,0x03, 0x15,0x00, 0x19,0x02, 0x11,0x02, 0x16,0x02,
0x10,0x02, 0x15,0x02, 0x0F,0x00, 0x10,0x03, 0x15,0x03,
0x0F,0x00, 0x0D,0x01, 0x0F,0x66, 0x10,0x03, 0x15,0x66,
0x16,0x03, 0x10,0x0D, 0x15,0x03, 0x0F,0x03, 0x19,0x66,
0x1F,0x03, 0x1A,0x0D, 0x19,0x03, 0x17,0x03, 0x19,0x03,
0x16,0x00, 0x16,0x66, 0x17,0x03, 0x11,0x0C, 0x10,0x02,
0x19,0x66, 0x10,0x03, 0x15,0x02, 0x16,0x02, 0x0D,0x02,
0x15,0x02, 0x10,0x0D, 0x0F,0x03, 0x10,0x0D, 0x15,0x03,
0x0F,0x00, 0x17,0x66, 0x19,0x03, 0x11,0x02, 0x16,0x02,
0x10,0x0D, 0x15,0x03, 0x0F,0x15, 0x0D,0x03, 0x0F,0x02,
0x0D,0x03, 0x0F,0x0D, 0x10,0x03, 0x11,0x0D, 0x16,0x03,
0x10,0x00, 0x0F,0x0D, 0x10,0x03, 0x15,0x66, 0x16,0x03,
0x19,0x02, 0x17,0x02, 0x16,0x02, 0x17,0x0D, 0x16,0x03,
0x15,0x02, 0x10,0x0D, 0x0F,0x03, 0x0D,0x01, 0x15,0x01,
0x10,0x03, 0x15,0x04, 0x10,0x0D, 0x0F,0x03, 0x0D,0x0D,
0x0F,0x03, 0x10,0x0D, 0x15,0x03, 0x0F,0x00, 0x17,0x0D,
0x19,0x03, 0x16,0x0D, 0x17,0x03, 0x16,0x0D, 0x15,0x03,
0x11,0x02, 0x10,0x02, 0x0F,0x00, 0x00,0x00 };
unsigned char code Music_Jingle[]={
0x0F,0x03, 0x0F,0x03, 0x17,0x03, 0x16,0x03, 0x15,0x03,
0x0F,0x66, 0x19,0x04, 0x19,0x04, 0x0F,0x03, 0x17,0x03,
0x16,0x03, 0x15,0x03, 0x10,0x02, 0x10,0x03, 0x10,0x03,
0x18,0x03, 0x17,0x03, 0x16,0x03, 0x10,0x66, 0x10,0x03,
0x19,0x03, 0x19,0x03, 0x18,0x03, 0x16,0x03, 0x17,0x02,
0x15,0x03, 0x0F,0x03, 0x0F,0x03, 0x17,0x03, 0x16,0x03,
0x15,0x03, 0x0F,0x66, 0x0F,0x03, 0x0F,0x03, 0x17,0x03,
0x16,0x03, 0x15,0x03, 0x10,0x66, 0x10,0x03, 0x10,0x03,
0x18,0x03, 0x17,0x03, 0x16,0x03, 0x19,0x03, 0x19,0x03,
0x19,0x03, 0x19,0x03, 0x1A,0x03, 0x19,0x03, 0x18,0x03,
0x16,0x03, 0x15,0x66, 0x17,0x03, 0x17,0x03, 0x17,0x02,
0x17,0x03, 0x17,0x03, 0x17,0x02, 0x17,0x03, 0x19,0x03,
0x15,0x03, 0x16,0x03, 0x17,0x01, 0x18,0x03, 0x18,0x03,
0x18,0x67, 0x18,0x04, 0x18,0x03, 0x17,0x03, 0x17,0x03,
0x17,0x04, 0x17,0x04, 0x17,0x03, 0x16,0x03, 0x16,0x03,
0x15,0x03, 0x16,0x03, 0x19,0x66, 0x19,0x03, 0x19,0x03,
0x18,0x03, 0x16,0x03, 0x15,0x02, 0x00,0x00 };
unsigned char code Music_Two[] ={
0x17,0x03, 0x16,0x03, 0x17,0x01, 0x16,0x03, 0x17,0x03,
0x16,0x03, 0x15,0x01, 0x10,0x03, 0x15,0x03, 0x16,0x02,
0x16,0x0D, 0x17,0x03, 0x16,0x03, 0x15,0x03, 0x10,0x03,
0x10,0x0E, 0x15,0x04, 0x0F,0x01, 0x17,0x03, 0x16,0x03,
0x17,0x01, 0x16,0x03, 0x17,0x03, 0x16,0x03, 0x15,0x01,
0x10,0x03, 0x15,0x03, 0x16,0x02, 0x16,0x0D, 0x17,0x03,
0x16,0x03, 0x15,0x03, 0x10,0x03, 0x15,0x03, 0x16,0x01,
0x17,0x03, 0x16,0x03, 0x17,0x01, 0x16,0x03, 0x17,0x03,
0x16,0x03, 0x15,0x01, 0x10,0x03, 0x15,0x03, 0x16,0x02,
0x16,0x0D, 0x17,0x03, 0x16,0x03, 0x15,0x03, 0x10,0x03,
0x10,0x0E, 0x15,0x04, 0x0F,0x01, 0x17,0x03, 0x19,0x03,
0x19,0x01, 0x19,0x03, 0x1A,0x03, 0x19,0x03, 0x17,0x01,
0x16,0x03, 0x16,0x03, 0x16,0x02, 0x16,0x0D, 0x17,0x03,
0x16,0x03, 0x15,0x03, 0x10,0x03, 0x10,0x0D, 0x15,0x00,
0x19,0x03, 0x19,0x03, 0x1A,0x03, 0x1F,0x03, 0x1B,0x03,
0x1B,0x03, 0x1A,0x03, 0x17,0x0D, 0x16,0x03, 0x16,0x03,
0x16,0x0D, 0x17,0x01, 0x17,0x03, 0x17,0x03, 0x19,0x03,
0x1A,0x02, 0x1A,0x02, 0x10,0x03, 0x17,0x0D, 0x16,0x03,
0x16,0x01, 0x17,0x03, 0x19,0x03, 0x19,0x03, 0x17,0x03,
0x19,0x02, 0x1F,0x02, 0x1B,0x03, 0x1A,0x03, 0x1A,0x0E,
0x1B,0x04, 0x17,0x02, 0x1A,0x03, 0x1A,0x03, 0x1A,0x0E,
0x1B,0x04, 0x1A,0x03, 0x19,0x03, 0x17,0x03, 0x16,0x03,
0x17,0x0D, 0x16,0x03, 0x17,0x03, 0x19,0x01, 0x19,0x03,
0x19,0x03, 0x1A,0x03, 0x1F,0x03, 0x1B,0x03, 0x1B,0x03,
0x1A,0x03, 0x17,0x0D, 0x16,0x03, 0x16,0x03, 0x16,0x03,
0x17,0x01, 0x17,0x03, 0x17,0x03, 0x19,0x03, 0x1A,0x02,
0x1A,0x02, 0x10,0x03, 0x17,0x0D, 0x16,0x03, 0x16,0x01,
0x17,0x03, 0x19,0x03, 0x19,0x03, 0x17,0x03, 0x19,0x03,
0x1F,0x02, 0x1B,0x03, 0x1A,0x03, 0x1A,0x0E, 0x1B,0x04,
0x17,0x02, 0x1A,0x03, 0x1A,0x03, 0x1A,0x0E, 0x1B,0x04,
0x17,0x16, 0x1A,0x03, 0x1A,0x03, 0x1A,0x0E, 0x1B,0x04,
0x1A,0x03, 0x19,0x03, 0x17,0x03, 0x16,0x03, 0x0F,0x02,
0x10,0x03, 0x15,0x00, 0x00,0x00 };
unsigned char code Music_Yesterday[]={
0x15,0x03, 0x15,0x03, 0x16,0x03, 0x17,0x02, 0x19,0x02,
0x19,0x03, 0x17,0x03, 0x19,0x03, 0x17,0x03, 0x1A,0x02,
0x19,0x66, 0x17,0x02, 0x17,0x03, 0x19,0x03, 0x1A,0x02,
0x16,0x02, 0x17,0x03, 0x19,0x02, 0x1A,0x15, 0x17,0x03,
0x19,0x03, 0x1A,0x02, 0x21,0x02, 0x20,0x03, 0x1F,0x02,
0x1B,0x03, 0x1B,0x66, 0x19,0x03, 0x17,0x03, 0x19,0x02,
0x17,0x02, 0x16,0x14, 0x15,0x03, 0x15,0x03, 0x16,0x03,
0x17,0x03, 0x19,0x02, 0x19,0x03, 0x19,0x03, 0x17,0x03,
0x19,0x03, 0x17,0x03, 0x1A,0x03, 0x19,0x02, 0x17,0x03,
0x17,0x02, 0x17,0x03, 0x19,0x03, 0x1A,0x02, 0x1B,0x02,
0x17,0x03, 0x19,0x02, 0x1A,0x03, 0x1A,0x01, 0x1B,0x02,
0x20,0x02, 0x1F,0x03, 0x1B,0x03, 0x1A,0x66, 0x1B,0x03,
0x1F,0x03, 0x1B,0x03, 0x1F,0x03, 0x1B,0x02, 0x1A,0x66,
0x1A,0x03, 0x1B,0x03, 0x1F,0x02, 0x1F,0x02, 0x1A,0x03,
0x1F,0x02, 0x20,0x03, 0x20,0x16, 0x1F,0x02, 0x20,0x02,
0x21,0x03, 0x21,0x03, 0x21,0x03, 0x21,0x02, 0x20,0x03,
0x1F,0x03, 0x1B,0x03, 0x1F,0x03, 0x1B,0x03, 0x1A,0x66,
0x17,0x03, 0x19,0x03, 0x19,0x14, 0x1F,0x03, 0x20,0x03,
0x21,0x03, 0x21,0x03, 0x21,0x03, 0x21,0x03, 0x21,0x02,
0x20,0x03, 0x1F,0x03, 0x1F,0x03, 0x1B,0x03, 0x1A,0x66,
0x17,0x03, 0x19,0x03, 0x19,0x14, 0x1A,0x03, 0x1B,0x03,
0x1F,0x03, 0x1B,0x03, 0x1F,0x03, 0x1B,0x03, 0x1F,0x03,
0x20,0x66, 0x1F,0x03, 0x1B,0x03, 0x1F,0x03, 0x1B,0x02,
0x1F,0x03, 0x20,0x66, 0x1F,0x03, 0x20,0x03, 0x21,0x02,
0x21,0x02, 0x20,0x03, 0x1F,0x02, 0x1A,0x03, 0x1A,0x02,
0x17,0x02, 0x17,0x03, 0x1A,0x03, 0x17,0x03, 0x19,0x03,
0x19,0x14, 0x17,0x03, 0x17,0x03, 0x16,0x04, 0x15,0x04,
0x15,0x03, 0x16,0x03, 0x17,0x01, 0x17,0x03, 0x18,0x02,
0x16,0x03, 0x16,0x14, 0x17,0x03, 0x17,0x03, 0x17,0x03,
0x18,0x02, 0x16,0x03, 0x16,0x16, 0x15,0x03, 0x16,0x03,
0x17,0x03, 0x16,0x01, 0x1F,0x02, 0x20,0x02, 0x21,0x03,
0x21,0x03, 0x21,0x03, 0x21,0x02, 0x20,0x03, 0x1F,0x03,
0x1B,0x03, 0x1F,0x03, 0x1B,0x03, 0x1A,0x03, 0x1A,0x02,
0x17,0x03, 0x19,0x03, 0x19,0x14, 0x1F,0x02, 0x20,0x02,
0x21,0x03, 0x21,0x03, 0x21,0x03, 0x21,0x66, 0x20,0x03,
0x1F,0x03, 0x1B,0x03, 0x1F,0x03, 0x1B,0x03, 0x1A,0x66,
0x17,0x03, 0x19,0x03, 0x19,0x00, 0x00,0x00 };
uchar k;
void delay1(void) //延时程序
{
uchar i,j;
for(i=20;i>0;i--)
for(j=248;j>0;j--);
}
void Getch ( )
{ uchar X,Y,Z;
P1=0xff;
P1=0xf3; //先对P0置数行扫描
if(P1!=0xf3) //判断是否有键按下
{ delay1(); //延时,软件去干扰
if(P1!=0xf3) //确认按键按下X = P3;
{
X=P1; //保存行扫描时有键按下时状态
P1=0xfc; //列扫描
Y=P1; //保存列扫描时有键按下时状态
Z=X|Y;
//取出键值
switch ( Z ) //判断键值（那一个键按下）
{
case 0xf9: k=0; break; //对键值赋值
case 0xf5: k=1; break;
case 0xfa: k=2; break;
case 0xf6: k=3; break;
}
}
}
}
void Delay()
{ uint uiCount;
for(uiCount=0;uiCount<250;uiCount++);
}
void WriteCMD(uchar Commond)//LCD写指令函数
{
Delay(); //先延时。
LCDE=1; //然后把ＬＣＤ改为写入命令状态。
LCDRS=0;
LCDRW=0;
LCDPORT=Commond; //再输出命令。
LCDE=0; //最后执行命令。
}
void WriteData(uchar dat)//ＬＣＤ写数据函数
{ Delay(); //先延时。
LCDE=1; //然后把ＬＣＤ改为写入数据状态。
LCDRS=1;
LCDRW=0;
LCDPORT=dat; //再输出数据。
LCDE=0; //最后显示数据。
}
void init()
{
LCDRW=0;
LCDE=0;
WriteCMD(0x38);
WriteCMD(0x0c);
WriteCMD(0x06);
WriteCMD(0x01);
WriteCMD(0x80);
}
void mydelay(int x)
{ int i,j;
for(i=x;i>0;i--)
for(j=255;j>0;j--);
}
void InitialSound(void)
{
BeepIO = 0;
Sound_Temp_TH1 = (65535-(1/1200)*SYSTEM_OSC)/256; // 计算TL1应装入的初值 (10ms的初装值)
Sound_Temp_TL1 = (65535-(1/1200)*SYSTEM_OSC)%256; // 计算TH1应装入的初值
TH1 = Sound_Temp_TH1;
TL1 = Sound_Temp_TL1;
TMOD |= 0x11;
ET0 = 1;
ET1 = 0;
TR0 = 0;
TR1 = 0;
EA = 1;
}
void BeepTimer0(void) interrupt 1 //音符发生中断
{
BeepIO = !BeepIO;
TH0 = Sound_Temp_TH0;
TL0 = Sound_Temp_TL0;
}
void Play(unsigned char *Sound,unsigned char Signature,unsigned Octachord,unsigned int Speed)
{
unsigned int NewFreTab[12]; //新的频率表
unsigned char i,j;
unsigned int Point,LDiv,LDiv0,LDiv1,LDiv2,LDiv4,CurrentFre,Temp_T,SoundLength;
unsigned char Tone,Length,SL,SH,SM,SLen,XG,FD;
for(i=0;i<12;i++) // 根据调号及升降八度来生成新的频率表
{
j = i + Signature;
if(j > 11)
{
j = j-12;
NewFreTab[i] = FreTab[j]*2;
}
else
NewFreTab[i] = FreTab[j];
if(Octachord == 1)
NewFreTab[i]>>=2;
else if(Octachord == 3)
NewFreTab[i]<<=2;
}
SoundLength = 0;
while(Sound[SoundLength] != 0x00) //计算歌曲长度
{
SoundLength+=2;
}
Point = 0;
Tone = Sound[Point];
Length = Sound[Point+1]; // 读出第一个音符和它时时值
LDiv0 = 12000/Speed; // 算出1分音符的长度(几个10ms)
LDiv4 = LDiv0/4; // 算出4分音符的长度
LDiv4 = LDiv4-LDiv4*SOUND_SPACE; // 普通音最长间隔标准
TR0 = 0;
TR1 = 1;
while(Point < SoundLength&&K1==1) //歌曲代码未放完且暂停键未被按下
{
SL=Tone%10; //计算出音符
SM=Tone/10%10; //计算出高低音
SH=Tone/100; //计算出是否升半
CurrentFre = NewFreTab[SignTab[SL-1]+SH]; //查出对应音符的频率
if(SL!=0)
{
if (SM==1) CurrentFre >>= 2; //低音
if (SM==3) CurrentFre <<= 2; //高音
Temp_T = 65536-(50000/CurrentFre)*10/(12000000/SYSTEM_OSC);//计算计数器初值
Sound_Temp_TH0 = Temp_T/256;
Sound_Temp_TL0 = Temp_T%256;
TH0 = Sound_Temp_TH0;
TL0 = Sound_Temp_TL0 + 12; //加12是对中断延时的补偿
}
SLen=LengthTab[Length%10]; //算出是几分音符
XG=Length/10%10; //算出音符类型(0普通1连音2顿音)
FD=Length/100;
LDiv=LDiv0/SLen; //算出连音音符演奏的长度(多少个10ms)
if (FD==1)
LDiv=LDiv+LDiv/2;
if(XG!=1)
if(XG==0) //算出普通音符的演奏长度
if (SLen<=4)
LDiv1=LDiv-LDiv4;
else
LDiv1=LDiv*SOUND_SPACE;
else
LDiv1=LDiv/2; //算出顿音的演奏长度
else
LDiv1=LDiv;
if(SL==0) LDiv1=0;
LDiv2=LDiv-LDiv1; //算出不发音的长度
if (SL!=0)
{
TR0=1;
for(i=LDiv1;i>0;i--) //发规定长度的音
{
while(TF1==0);
TH1 = Sound_Temp_TH1;
TL1 = Sound_Temp_TL1;
TF1=0;
}
}
if(LDiv2!=0)
{
TR0=0; BeepIO=0;
for(i=LDiv2;i>0;i--) //音符间的间隔
{
while(TF1==0);
TH1 = Sound_Temp_TH1;
TL1 = Sound_Temp_TL1;
TF1=0;
}
}
Point+=2;
Tone=Sound[Point];
Length=Sound[Point+1];
}
BeepIO = 0;
}
main()
{ uint i;
k=8;
init();
for(i=0;i<15;i++)
{
WriteData(tab[i]); //LCD写数据函数写第一行
mydelay(50);
}
mydelay(1000);
WriteCMD(0x80+0x40+2); //将指针设到第二行空两字符
for(i=0;i<6;i++)
{
WriteData(tab1[i]);
mydelay(50);
}
InitialSound(); //发音初始化程序
while(1)
{ Getch(); //扫描键盘，获得键值
if(k==0) //若键值为0
{ uint i;
init();
for(i=0;i<10;i++)
{
WriteData(tab2[i]); //写第一首歌序号
mydelay(50);
}
mydelay(1000);
WriteCMD(0x80+0x40); //转到第二行
for(i=0;i<9;i++)
{ WriteData(tab3[i]); //写歌名
mydelay(50);
}
Play(Music_Girl,0,3,360); //播放第一首歌
mydelay(500);
break;
}
else if (k==1) //若键值为1
{ uint i;
init();
for(i=0;i<11;i++)
{ WriteData(tab4[i]); //写第二首歌序号
mydelay(50);
}
mydelay(1000);
WriteCMD(0x80+0x40); //转到第二行
for(i=0;i<11;i++)
{
WriteData(tab5[i]); //写歌名
mydelay(50);
}
Play(Music_Jingle,0,3,360); //播放第二首歌
mydelay(500);
break;
}
else if (k==2) //若键值为2
{ uint i;
init();
for(i=0;i<10;i++)
{ WriteData(tab6[i]); //写第三首歌序号
mydelay(50);
}
mydelay(1000);
//WriteCMD(0x01);
WriteCMD(0x80+0x40); //转到第二行
for(i=0;i<6;i++)
{
WriteData(tab7[i]); //写歌名
mydelay(50);
}
Play(Music_Two,0,3,360); //播放第三首歌
mydelay(500);
break;
}
else if (k==3) //若键值为3
{ uint i;
init();
for(i=0;i<10;i++)
{ WriteData(tab8[i]); //写第四首歌序号
mydelay(50);
}
mydelay(1000);
WriteCMD(0x80+0x40); //转到第二行
for(i=0;i<6;i++)
{ WriteData(tab9[i]); //写歌名
mydelay(50);
}
Play(Music_Jingle,0,3,360); //播放第三首歌
mydelay(500);
break;
}
}
}

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