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void Sang_dich(unsigned char *chuoi,
unsigned int cot_dau,
unsigned int cot_cuoi,
unsigned char ms,
unsigned char tam)
{
unsigned char i,j,k,l,n,schu;
unsigned int txung,scot,dem,m;
schu=strlen(chuoi);//so chu co trong chuoi
txung=hrchu*schu; //so cot ma chu chiem (6 la be rong cua 1 chu)
txung=txung+htcot; //so cot se dich (max)
if(cot_dau==0) cot_dau++; //gioi han so cot dau va cuoi
if(cot_cuoi==0) cot_cuoi++;
if(cot_dau>txung) cot_dau=txung;
if(cot_cuoi>txung) cot_cuoi=txung;
//xdinh so cot bat dau quet (tu trai sang hay phai sang):
if(cot_dau<cot_cuoi) scot=cot_dau; //nho
else scot=cot_dau; //lon
//xu li bien dkhien de chon mau:
kdkhien=tam;
kcpq1=kdkhien0; //chon mau: 01=xanh_vang, 10=do, 11=vang_cam
kcpq2=kdkhien1;
if(kdkhien2==1)
{
if(kdkhien3==1) tam=1; //X:D=1:1
else tam=2; //X:D=1:2
}
else
{
if(kdkhien3==1) tam=3; //X:D=2:1
else tam=0; //khong pha mau
}
//khoi tao tri hoan timer1 1ms
TH0=kTH0; TL0=kTL0;
TF0=0; TR0=1; //xoa co va cho timer chay.
lap_scot:
m=0; n=0;
//doan ma giup giam thgian quet nhung chu o thay dc do da dc dich qua ben trai mhinh roi
if(scot>htcot_cong_hrchu)
{
n=(scot-htcot_tru_hrchu)/hrchu; //so chu bo qua khong can hthi (do da dich qua chdai mhinh)
m=n*hrchu; //so cot bat dau xuat dlieu de hien thi
}
for(k=0;k<ms;k++)
{
//if(tam!=0) Pha_mau(tam,k); //chon pha mau
//vong lap quet 8 dong (dong cuoi khong qtrong)
pa1=kcpq1; pa2=kcpq2;
for(i=0;i<htdong;i++)
{
dem=m;
pclr=0; pclr=1; //reset ghi dich
//if(dem<htcot){j=htcot-dem; psda=0; while(j--){pscl=0; pscl=1;}}
//psda=0; for(j=0;j<htcot;j++){pscl=0; pscl=1;} //phcung P33 duong nhu bi loi nen phai reset bang phmem
j=0;
for(l=n;l<schu;l++)
{ //vong lap dich du lieu ra chan SDA
kcot=ma_led[hcchu*(*(chuoi+l)-hASCII_lech) + i]; //Chon_chu(*(chuoi+l),i);
if(scot-dem>hrchu)
{
psda=kcot7; pscl=0; pscl=1;
psda=kcot6; pscl=0; pscl=1;
psda=kcot5; pscl=0; pscl=1;
psda=kcot4; pscl=0; pscl=1;
psda=kcot3; pscl=0; pscl=1;
psda=0; pscl=0; pscl=1;
dem=dem+hrchu;
}
else
{
if(dem++==scot) goto thoat;
psda=kcot7; pscl=0; pscl=1;
if(dem++==scot) goto thoat;
psda=kcot6; pscl=0; pscl=1;
if(dem++==scot) goto thoat;
psda=kcot5; pscl=0; pscl=1;
if(dem++==scot) goto thoat;
psda=kcot4; pscl=0; pscl=1;
if(dem++==scot) goto thoat;
psda=kcot3; pscl=0; pscl=1;
if(dem++==scot) goto thoat;
psda=0; pscl=0; pscl=1;
}
}
psda=0; while(dem++<scot){pscl=0; pscl=1;}
thoat:
while(!TF0); //chor tran timer1
//pcpq1=1; pcpq2=1; //tat dong truoc do
ple=0; ple=1; //xuat du lieu //chot
pc=0; pc=1; //dich 1 xung ra de quet 1 cot
pe=0; pe=1; //xuat va chot lai
pa1=0; pa2=0; //chi co bit dau tien o cao va dich dan ra ngoai
//Pdong&=0xF8; Pdong|=i; //quet dong thu i;
//pcpq1=kcpq1; pcpq2=kcpq2; //chon mau
TH0=hTH0_1ms; TL0=hTL0_1ms; TF0=0; //khoi tao lai timer
}
}
if(cot_dau<cot_cuoi) {scot++; if(scot<cot_cuoi) goto lap_scot;}
else {scot--; if(scot>cot_cuoi) goto lap_scot;}
pclr=0; pclr=1;//xoa hang
while(!TF0);
ple=0; ple=1;
pa1=1; pa2=1; for(i=0;i<8;i++){pc=0; pc=1; pe=0; pe=1; pa1=0; pa2=0;}//xoa mhinh
TF0=0; TR0=0; //ngung dung timer0
}
Tìm hiểu thêm về voanhkiem
help me,không ai giúp tui với hả
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