write_com(0x38; write_com(0x0c; write_com(0x06; write_com(0x01; write_com(0x80+0x00; write_data(0x77; //写wave: write_data(0x61; write_data(0x76; write_data(0x65; write_data(0x3a;
write_com(0x80+0x40; //写 f： write_data(0x66; write_data(0x3a; }
void write_f(uint date //写频率 {
uchar qian,bai,shi,ge; qian=date/1000; bai=date/100; shi=date/10; ge=date;
write_com(0x80+0x42; write_data(0x30+qian;
write_data(0x30+bai; write_data(0x30+shi; write_data(0x30+ge; write_data(0x48; write_data(0x5a; }
void xsf( //显示频率 {
if(s1num==1 {
fre=(1000/(9+3*ys; write_f(fre; }
if(s1num==2 {
fre=(100000/(3*ys; write_f(fre; }
if(s1num==3 {
fre=(1000/(15+3*ys; write_f(fre; }
}
void keyscanf( { d=0; if(s1==0 { delay(5; if(s1==0 {
while(!s1; s1num++; if(s1num==1 { ys=0;
write_com(0x80+0x05; write_data(0x73; //写sine: write_data(0x69; write_data(0x6e; write_data(0x65; write_data(0x20; write_data(0x20; }
if(s1num==2
{ ys=10;
write_com(0x80+0x05; write_data(0x73; //写squrae write_data(0x71; write_data(0x75; write_data(0x61; write_data(0x72; write_data(0x65; }
if(s1num==3 { ys=0;
write_com(0x80+0x05; //train write_data(0x74; write_data(0x72; write_data(0x61; write_data(0x69; write_data(0x6e; write_data(0x20; }
if(s1num==4 {