📄 wave.c
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#include <c8051f020.h>
#include <setjmp.h>
#include <intrins.h>
#define uchar unsigned char
#define uint unsigned int
#define ulong unsigned long
char xdata SIN_TABLE[256] = {
0x00, 0x03, 0x06, 0x09, 0x0c, 0x0f, 0x12, 0x15,
0x18, 0x1c, 0x1f, 0x22, 0x25, 0x28, 0x2b, 0x2e,
0x30, 0x33, 0x36, 0x39, 0x3c, 0x3f, 0x41, 0x44,
0x47, 0x49, 0x4c, 0x4e, 0x51, 0x53, 0x55, 0x58,
0x5a, 0x5c, 0x5e, 0x60, 0x62, 0x64, 0x66, 0x68,
0x6a, 0x6c, 0x6d, 0x6f, 0x70, 0x72, 0x73, 0x75,
0x76, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7c,
0x7d, 0x7e, 0x7e, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7e, 0x7e,
0x7d, 0x7c, 0x7c, 0x7b, 0x7a, 0x79, 0x78, 0x77,
0x76, 0x75, 0x73, 0x72, 0x70, 0x6f, 0x6d, 0x6c,
0x6a, 0x68, 0x66, 0x64, 0x62, 0x60, 0x5e, 0x5c,
0x5a, 0x58, 0x55, 0x53, 0x51, 0x4e, 0x4c, 0x49,
0x47, 0x44, 0x41, 0x3f, 0x3c, 0x39, 0x36, 0x33,
0x30, 0x2e, 0x2b, 0x28, 0x25, 0x22, 0x1f, 0x1c,
0x18, 0x15, 0x12, 0x0f, 0x0c, 0x09, 0x06, 0x03,
0x00, 0xfd, 0xfa, 0xf7, 0xf4, 0xf1, 0xee, 0xeb,
0xe8, 0xe4, 0xe1, 0xde, 0xdb, 0xd8, 0xd5, 0xd2,
0xd0, 0xcd, 0xca, 0xc7, 0xc4, 0xc1, 0xbf, 0xbc,
0xb9, 0xb7, 0xb4, 0xb2, 0xaf, 0xad, 0xab, 0xa8,
0xa6, 0xa4, 0xa2, 0xa0, 0x9e, 0x9c, 0x9a, 0x98,
0x96, 0x94, 0x93, 0x91, 0x90, 0x8e, 0x8d, 0x8b,
0x8a, 0x89, 0x88, 0x87, 0x86, 0x85, 0x84, 0x84,
0x83, 0x82, 0x82, 0x81, 0x81, 0x81, 0x81, 0x81,
0x80, 0x81, 0x81, 0x81, 0x81, 0x81, 0x82, 0x82,
0x83, 0x84, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
0x8a, 0x8b, 0x8d, 0x8e, 0x90, 0x91, 0x93, 0x94,
0x96, 0x98, 0x9a, 0x9c, 0x9e, 0xa0, 0xa2, 0xa4,
0xa6, 0xa8, 0xab, 0xad, 0xaf, 0xb2, 0xb4, 0xb7,
0xb9, 0xbc, 0xbf, 0xc1, 0xc4, 0xc7, 0xca, 0xcd,
0xd0, 0xd2, 0xd5, 0xd8, 0xdb, 0xde, 0xe1, 0xe4,
0xe8, 0xeb, 0xee, 0xf1, 0xf4, 0xf7, 0xfa, 0xfd
};
char xdata SAN_TABLE[256] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff
};
uchar code dis1_1[] = {" Welcome! "};
uchar code dis1_2[] = {" 1 Wave 2 Con "};
uchar code dis2_1[] = {" 1 Sin 2 San "};
uchar code dis2_2[] = {" 3 Fang 4 Bak "};
uchar code dis3_1[] = {" 1 Frc 2 Vpp "};
uchar code dis3_2[] = {" 3 Von 4 Bak "};
uchar code dis3_3[] = {" 1 Frc 2 Vpp "};
uchar code dis3_4[] = {" 3 More 4 Bak "};
uchar code dis4_1[] = {" 1 X2 2 X1/2 "};
uchar code dis4_2[] = {" 3 4 Bak "};
uchar code dis4_3[] = {" 1 +10% 2 -10% "};
uchar code dis4_4[] = {" 3 4 Bak "};
uchar code dis4_5[] = {" 1 +10m 2 -10m "};
uchar code dis4_6[] = {" 3 4 Bak "};
uchar code dis4_7[] = {" 1 Von 2 I/F "};
uchar code dis4_8[] = {" 3 4 Bak "};
uchar code dis5_1[] = {" 1 +1% 2 -1% "};
uchar code dis5_2[] = {" 3 4 Bak "};
sbit key1=P2^0;
sbit key2=P2^1;
sbit key3=P2^2;
sbit key4=P2^3;
sfr16 DAC0 = 0xd2;
sfr16 DAC1 = 0xd5;
uchar WAV;
uchar MU;
uchar MU3;
uchar MU4;
uchar MU5;
uchar NOW_1[14];
uchar NOW_2[14];
ulong CLK = 22114800;
ulong F;
float VPP;
uchar VON;
uchar VC;
uchar IF=50;
uchar CK;
uchar KEY1;
ulong x;
jmp_buf env;
void ckey();
void key();
void LCD_Getready();
void LCD_Show();
void LCD_Data();
void keyuse();
void Wave();
/*延迟程序*/
void delay(int ms)
{
while(ms--)
{
uchar i;
for(i=0;i<250;i++)
{
_nop_();
_nop_();
_nop_();
_nop_();
}
}
}
/*主程序*/
void main()
{
XBR0 = 0x00; // 没有选择数字外设
XBR2 = 0x40;
WDTCN = 0xde;
WDTCN = 0xad; //关闭看门狗
MU=1;
KEY1=0;
MU3 = 0;
MU4 = 0;
MU5 = 0;
F = 10000;
VPP = 1;
VON = 0;
WAV = 1;
LCD_Data();
LCD_Show();
while(1)
{
setjmp(env);
ckey();
if(CK==1)
{key();
keyuse();
LCD_Data();
LCD_Show();
}
}
}
/*KEY 检测是否又键按下*/
void ckey()
{
P2 = 0xff;
if(P2!=0xff)
CK=1;
else
CK=0;
}
/*KEY 返回按键值*/
void key()
{
P2 = 0xff;
if(key1==0)
{
delay(10);
P2 = 0xff;
if(key1==0)
KEY1=1;
}
if(key2==0)
{
delay(10);
P2 = 0xff;
if(key2==0)
KEY1=2;
}
if(key3==0)
{
delay(10);
P2 = 0xff;
if(key3==0)
KEY1=3;
}
if(key4==0)
{
delay(10);
P2 = 0xff;
if(key4==0)
KEY1=4;
}
}
/*KEY 改变后对参数的改变*/
void keyuse()
{
if(MU==1)
{if(KEY1==1)
Wave();
if(KEY1==2)
MU=2;
}
else if(MU==2)
{if(KEY1==1)
{WAV=1;
MU=3;
MU3=1;
}
else if(KEY1==2)
{WAV=2;
MU=3;
MU3=2;
}
else if(KEY1==3)
{WAV=3;
MU=3;
MU3=3;
}
else if(KEY1==4)
MU=1;
}
else if(MU==3)
{
if(KEY1==1)
{
MU=4;
MU4=1;
}
if(KEY1==2)
{
MU=4;
MU4=2;
}
if(KEY1==3)
{if(MU3==3)
{
MU=4;
MU4=4;
}
else
{
MU=4;
MU4=3;
}
}
if(KEY1==4)
MU=2;
}
else if(MU==4)
{
if(MU4==1)
{if(KEY1==1)
F=2*F;
else if(KEY1==2)
F=F/2;
else if(KEY1==4)
MU=3;
}
else if(MU4==2)
{if(KEY1==1)
VPP=11*VPP/10;
else if(KEY1==2)
VPP=9*VPP/10;
else if(KEY1==4)
MU=3;
}
else if(MU4==3)
{if(MU3==3)
{if(KEY1==1)
{
MU=5;
MU5=1;
}
else if(KEY1==2)
{
MU=5;
MU5=1;
}
else if(KEY1==4)
MU=3;
}
else
{if(KEY1==1)
VON=VON+10;
else if(KEY1==2)
VON=VON-10;
else if(KEY1==4)
MU=3;
}
}
}
else if(MU==5)
{if(MU5==1)
{if(KEY1==1)
VON=VON+10;
else if(KEY1==2)
VON=VON-10;
else if(KEY1==4)
MU=4;
}
else if(MU5==2)
{if(KEY1==1)
IF=IF+1;
else if(KEY1==2)
IF=IF-1;
else if(KEY1==4)
MU=3;
}
}
KEY1=0;
}
/*LCD 初始化*/
void LCD_Getready()
{
P2 = 0X80;
for(x=0;x<1000;x++);
//P7 = 0x30; /*一行显示*/
P3 = 0x38; /*两行显示*/
P2 = 0X00;//0x08;
P2 = 0X80;//0x09;
for(x=0;x<1000;x++);
P3 = 0x0e;
P2 = 0x00;
P2 = 0x80;
for(x=0;x<1000;x++);
P3= 0x06;
P2 = 0x00;
P2 = 0x80;
for(x=0;x<5000;x++);
P3 = 0x01;
P2 = 0x00;
P2 = 0x80;
for(x=0;x<5000;x++);
}
/*LCD输出*/
void LCD_Show()
{
uchar *showpr;
uint i,data1;
LCD_Getready();
P2 = 0xA0; //准备送数据
showpr = &NOW_1; //取地址
for(i=14;i>0;i--) //显示第一行字符
{
data1 = *showpr; //读出数据
P3 = data1; //写数据到端口
P2 = 0x20;
P2 = 0xA0; //控制LCD
showpr++;
delay(10);
}
P2 = 0X80;
P3 = 0xc0;
P2 = 0x00;
P2 = 0x80;
//取地址
showpr = &NOW_2;
for(i=0;i<14;i++) //显示第二行字符
{
data1 = *showpr; //读出数据
P3 = data1; //写数据到端口
P2 = 0xa0;
P2 = 0x20; //控制LCD
showpr++;
delay(10);
}
}
/*LCD 取出显示数据*/
void LCD_Data()
{
uchar i;
uchar *datapr;
if(MU==1) //第一层菜单显示
{datapr = &NOW_1;
for(i=0;i<14;i++)
{ *datapr = dis1_1[i];
datapr++;
}
datapr = &NOW_2;
for(i=0;i<14;i++)
{ *datapr = dis1_2[i];
datapr++;
}
}
else if(MU==2) //第二层菜单显示
{datapr = &NOW_1;
for(i=0;i<14;i++)
{ *datapr = dis2_1[i];
datapr++;
}
datapr = &NOW_2;
for(i=0;i<14;i++)
{ *datapr = dis2_2[i];
datapr++;
}
}
else if(MU==3) //第三层菜单显示
{if(MU3==1||MU3==2)
{datapr = &NOW_1;
for(i=0;i<14;i++)
{ *datapr = dis3_1[i];
datapr++;
}
datapr = &NOW_2;
for(i=0;i<14;i++)
{ *datapr = dis3_2[i];
datapr++;
}
}
else if(MU3==3)
{datapr = &NOW_1;
for(i=0;i<14;i++)
{ *datapr = dis3_3[i];
datapr++;
}
datapr = &NOW_2;
for(i=0;i<14;i++)
{ *datapr = dis3_4[i];
datapr++;
}
}
}
else if(MU==4) //第四层菜单显示
{if(MU4==1)
{datapr = &NOW_1;
for(i=0;i<14;i++)
{ *datapr = dis4_1[i];
datapr++;
}
datapr = &NOW_2;
for(i=0;i<14;i++)
{ *datapr = dis4_2[i];
datapr++;
}
}
else if(MU4==2)
{datapr = &NOW_1;
for(i=0;i<14;i++)
{ *datapr = dis4_3[i];
datapr++;
}
datapr = &NOW_2;
for(i=0;i<14;i++)
{ *datapr = dis4_4[i];
datapr++;
}
}
else if(MU4==3)
{datapr = &NOW_1;
for(i=0;i<14;i++)
{ *datapr = dis4_5[i];
datapr++;
}
datapr = &NOW_2;
for(i=0;i<14;i++)
{ *datapr = dis4_6[i];
datapr++;
}
}
else if(MU4==4)
{datapr = &NOW_1;
for(i=0;i<14;i++)
{ *datapr = dis4_7[i];
datapr++;
}
datapr = &NOW_2;
for(i=0;i<14;i++)
{ *datapr = dis4_8[i];
datapr++;
}
}
}
else if(MU==5) //第五层菜单显示
{if(MU5==1)
{datapr = &NOW_1;
for(i=0;i<14;i++)
{ *datapr = dis4_5[i];
datapr++;
}
datapr = &NOW_2;
for(i=0;i<14;i++)
{ *datapr = dis4_6[i];
datapr++;
}
}
if(MU5==2)
{datapr = &NOW_1;
for(i=0;i<14;i++)
{ *datapr = dis5_1[i];
datapr++;
}
datapr = &NOW_2;
for(i=0;i<14;i++)
{ *datapr = dis5_2[i];
datapr++;
}
}
}
}
/*波形产生*/
void Wave()
{ char *pri,data1;
float e,f,i,vpp;
f=CLK/(256*F);
vpp=VPP;
if(WAV==1)
{
pri = &SIN_TABLE;
while(1)
{
for(i=0;i<=256;i++)
{
data1=*pri;
data1=vpp*data1;
data1=data1+VON;
DAC0=data1;
pri++;
for(i=0;i<=f;i++)
{ckey();
if(CK==1)
longjmp(env,1);
}
}
}
}
else if(WAV==2)
{
while(1)
{
pri = &SAN_TABLE;
for(i=0;i<=256;i++)
{
data1=*pri;
data1=vpp*data1;
data1=data1+VON;
DAC0=data1;
pri++;
for(i=0;i<=f;i++)
{ckey();
if(CK==1)
longjmp(env,1);}
}
}
}
else if(WAV==3)
{e=256*IF/100;
while(1)
{
for(i=0;i<256;i++)
{for(i=0;i<=f;i++)
{ckey();
if(CK==1)
longjmp(env,1);}
if(i<=e)
{
data1=0xff;
data1=vpp*data1;
data1=data1+VON;
DAC0=data1;
}
else
{
data1=0;
data1=data1-VON;
DAC0=data1;
}
}
}
}
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