DAC0832波形发生器选择频率相关程序.txtDAC0832波形发生器选择频率相关程序.txt
#include
#include
unsigned char code sinTab[]={ //ÕýÏÒ???úÂëÊý×é
0x80,0x83,0x85,0x88,0x8A,0x8D,0x8F,0x92,0x94,0x97,0x99,0x9B,0x9E,0xA0,
0xA3,0xA5,0xA7,0xAA,0xAC,0xAE,0xB1,0xB3,0xB5,0xB7,0xB9,0xBB,0xBD,0xBF,
0xC1,0xC3,0xC5,0xC7,...
DAC0832波形发生器选择频率相关程序.txt
#include
#include
unsigned char code sinTab[]={ //ÕýÏÒ???úÂëÊý×é
0x80,0x83,0x85,0x88,0x8A,0x8D,0x8F,0x92,0x94,0x97,0x99,0x9B,0x9E,0xA0,
0xA3,0xA5,0xA7,0xAA,0xAC,0xAE,0xB1,0xB3,0xB5,0xB7,0xB9,0xBB,0xBD,0xBF,
0xC1,0xC3,0xC5,0xC7,0xC9,0xCB,0xCC,0xCE,0xD0,0xD1,0xD3,0xD4,0xD6,0xD7,
0xD8,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF,0xE0,0xE1,0xE2,0xE3,0xE3,0xE4,0xE4,
0xE5,0xE5,0xE6,0xE6,0xE7,0xE7,0xE7,0xE7,0xE7,0xE7,0xE7,0xE7,0xE6,0xE6,
0xE5,0xE5,0xE4,0xE4,0xE3,0xE3,0xE2,0xE1,0xE0,0xDF,0xDE,0xDD,0xDC,0xDB,
0xDA,0xD8,0xD7,0xD6,0xD4,0xD3,0xD1,0xD0,0xCE,0xCC,0xCB,0xC9,0xC7,0xC5,
0xC3,0xC1,0xBF,0xBD,0xBB,0xB9,0xB7,0xB5,0xB3,0xB1,0xAE,0xAC,0xAA,0xA7,
0xA5,0xA3,0xA0,0x9E,0x9B,0x99,0x97,0x94,0x92,0x8F,0x8D,0x8A,0x88,0x85,
0x83,0x80,0x7D,0x7B,0x78,0x76,0x73,0x71,0x6E,0x6C,0x69,0x67,0x65,0x62,
0x60,0x5D,0x5B,0x59,0x56,0x54,0x52,0x4F,0x4D,0x4B,0x49,0x47,0x45,0x43,
0x41,0x3F,0x3D,0x3B,0x39,0x37,0x35,0x34,0x32,0x30,0x2F,0X2D,0x2C,0X2A,
0x29,0x28,0x26,0x25,0x24,0x23,0x22,0x21,0x20,0x1F,0x1E,0x1D,0x1D,0x1C,
0x1C,0x1B,0x1B,0x1A,0x1A,0x1A,0x19,0x19,0x19,0x19,0x19,0x19,0x19,0x19,
0x1A,0x1A,0x1A,0x1B,0x1B,0x1C,0x1C,0x1D,0x1D,0x1E,0x1F,0x20,0x21,0x22,
0x23,0x24,0x25,0x26,0x28,0x29,0X2A,0x2C,0X2D,0x2F,0x30,0x32,0x34,0x35,
0x37,0x39,0x3B,0x3D,0x3F,0x41,0x43,0x45,0x47,0x49,0x4B,0x4D,0x4F,0x52,
0x54,0x56,0x59,0x5B,0x5D,0x60,0x62,0x65,0x67,0x69,0x6C,0x6E,0x71,0x73,0x76,0x78,0x7B,0x7D
};//0-255
//unsigned char code
LEDTAB[]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90};/*0-9LED?àÂë*/
//unsigned char code LED[]={0xFE,0xFD,0xFB,0xF7,0xEF,0xDF,0xBF,0x7F};/*ÊýÂë?Ü×Ô×óÏòÓÒ0-
7*/
unsigned char k=1,flag=0,s_Counter=0,set=1;//set??ÐÎÔ,Ôò?êÖ?
void delay(unsigned char g){/*ÑÓÊ?gus*/
unsigned char i;
for(i=0;i=127) {
flag=1;
s_Counter--;
}
P1=0xff;
}
else
{
if(s_Counter--<=1) {
flag=0;
}
P1=0x00;
}
delay(k);
// }
}
void sanjiao() //Èý?Ç?? {
//while(1){
if(flag==0)
{
if(s_Counter++>=126) {
flag=1;
}
}
else
{
if(s_Counter--<=1) {
flag=0;
}
}
P1=s_Counter*2;
delay(k);
// }
}
void zhengxian() //ÕýÏÒ??
{
// while(1){
P1=sinTab[s_Counter];
s_Counter++;
if(s_Counter>=256)
{
s_Counter=0;
}
delay(k);
// }
}
void scan_k2() //É?ÃèÑ??????üP3_2??ÏÂ?ÎÊý
{
unsigned int i;
if(P3_2==0)set++;
if(set>=4)set=1;
while(P3_2==0);
for(i=0;i<20000;i++); }
void scan_k4() /*É?Ãèµ?Ƶ???üP3_4??Ôö?ÓkÖµ?µµÍƵÂÊ??1==100)k=100;
while(P3_7==0);
for(i=0;i<20000;i++); }
void scan_k1()
/*É?Ãèµ?Ƶ???üP3_1??Ôö?ÓkÖµÔö?ÓƵÂÊ??1=0;j--)delay2();
}
for(i=0;i<=fuzhi;i++)
{
DAC0832=0xff;
for(j=freq;j>0;j--)delay2();
}
}
}
void sin( )
{
unsigned int i,j;
while(flag)
{
if(i==fuzhi*2)
i=0;
DAC0832=tab1[i++];
for(j=freq;j>0;j--)
delay2();
}
}
void tran(void)
{
uchar i,j;
while(flag)
{
for(i=0;i<=fuzhi;i++) //fuzhi=63
{
for(j=freq;j>0;j--)
delay2();
DAC0832=i;
}
for(i=fuzhi;i>=0;i--)
{
for(j=freq;j>0;j--)
delay2();
DAC0832=i;
}
if(flag==0)
{
break;
}
}
}
void main()
{
EA=1;
EX0=1;//Íâ??ÖÐ?Ï0?ò?ª
IT0=0;//µÍµçÆ??ö??
regi=102;
init_lcd();
Print_String(0,1,table);
while(1)
{
DAC0832R=regi;
if(P1!=0)
{
//delay(3);
if(P11==0)
{
keyvalue=1;
flag=1;
Print_String(2,1,table1);//sin
}
if(P12==0)
{
keyvalue=2;
flag=1;
Print_String(2,1,table2);//tran
}
if(P13==0)
{
keyvalue=3;
flag=1;
Print_String(2,1,table3);//square
}
if(P14==0)
{
keyvalue=4;
}
if(P15==0)
{
keyvalue=5;
}
if(P16==0)
{
keyvalue=6;
}
if(P17==0)
{
keyvalue=7;
}
}
if(keyvalue)
{
if(keyvalue==1)
sin();
if(keyvalue==2)
tran();
if(keyvalue==3)
square();
if(keyvalue==4)
freq=freq+10;
if(keyvalue==5)
freq=freq-10;
if(keyvalue==6)
fuzhi=fuzhi+2;
if(keyvalue==7)
fuzhi=fuzhi-2;
}
}
}
void INT_0(void)interrupt 0 using 0
{
EX0=0;//Íâ??ÖÐ?Ï0?Ø?Õ
delay(5000);
flag=0; //?Ø?Õ??ÐÎÊä?ö
keyvalue=0;
DAC0832=0;
EX0=1;//Íâ??ÖÐ?Ï0?ò?ª
}*/
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