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You are here: Home / Replies / Dear all, here i m using R305

Dear all, here i m using R305

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Microcontroller › AVR › How to interface fingerprint module serially with AVR › Dear all, here i m using R305

February 27, 2013 at 6:52 pm #9194
Disha raka
Participant

Dear all,

 

here i m using R305 Finger print module with P89V51RD2

but my program is not working please see my program n say me corrections,

or give me your code please…

its urgent friends…

 

 

program:

 

 

#include<reg51.h>
#include<string.h>
 
sfr ldata=0x90;
sbit rs=P2^3;
sbit rw=P2^4;
sbit en=P2^5;
sbit busy=P1^7;
sbit S1=P3^2;
sbit S2=P3^3;
sbit S3=P3^4;
//====================================================================//
void fingerprint(void);
void UARTSendByte(unsigned char[],unsigned char dt );
unsigned char UARTGetByte(void);
void fingerdata(char);
void conv();
void elect();
void lcdcmd(unsigned char);
void lcddata(unsigned char);
void lcdready();
void msdelay(unsigned int);
void UARTInit(void);
 
//===============================================================================//
unsigned int i,j,g,h,k,l,key,m,n;
 
code unsigned char mydata1[]=(“WELCOME”);    //7
code unsigned char mydata2[]=(“SCAN UR FINGER 1st”);  //  18
code unsigned char mydata3[]=(“SCANNING”);   //9
code unsigned char mydata4[]=(“ACCESS GRANTED”); //14
code unsigned char mydata5[]=(“ACCESS DENIED”); //13
 
code unsigned char mydata8[]=(“THANKS”);   //6
 
code unsigned char mydata12[]=(“>”);
code unsigned char mydata11[]=(“<<“);
unsigned char dec1,dec2,asc1,asc2,adc1;
 
 
 
 
//================================================================================//
 
 
code char GenImg[12] = { 0xEF, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0x00, 0x03, 0x01, 0x00, 0x05 };
 
//===================================================================================//
void conv()
{
  dec1=adc1%10;
 
dec2=adc1/10;
 
asc1=dec1 | 0x30;
 
asc2=dec2 | 0x30;
}
 
 
//==========================================================================================//
void main()
{
 
lcdcmd (0x38);   //8 bit LCD mode
lcdcmd(0x0C);  //
lcdcmd(0x01);  // clear lcd
lcdcmd(0x06);  //   lcd on pointer off
 
  
do   //LOOP START 
{
lcdcmd(0x01);  // clear lcd
lcdcmd(0x86);  //1st line 
for(i=0;i<strlen(mydata1);i++) //WELCOME
lcddata(mydata1);
 
 
 
for(i=0;i<strlen(mydata2);i++)   //  SCAN UR FINGER 1st
lcddata(mydata2);
 
 
msdelay(500); //
 
lcdcmd(0x01);   //clr lcd
lcdcmd(0x86);  //1st line
for(i=0;i<strlen(mydata3);i++)  //SCANNING
     lcddata(mydata3);
 
 
lcdcmd(0x06);
for(k=0x94;k<0xA8;k++)
  {
lcdcmd(k); //>>>>>>>>>>>>>>>>>>>>>>>>>
  for(i=0;i<strlen(mydata12);i++)
lcddata(mydata12);
       }  
 
  UARTInit();
UARTSendByte(GenImg,12);
  UARTGetByte();
fingerdata(i); 
 
 
 
msdelay(500);
 
lcdcmd(0x01);
lcdcmd(0x9b);   //3rd line 
for(i=0;i<strlen(mydata8);i++) //THANKS
lcddata(mydata8);
 
msdelay(10);
lcdcmd(0xc5);
 
 
  
}
 
 
}while(1);   //repeat forever
 
 
 
}  //main end 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
void UARTSendByte(unsigned char GenImg[],unsigned char dt)
{
 
for(i=0;i<dt;i++)
  {
TI=0;
   SBUF = GenImg;
    while(TI==0);
        TI=0;
 
 
   }
}
 
//
unsigned char UARTGetByte(void)
{   RI=0;
        while(RI==0);
        RI=0;
        return SBUF;
}
 
 
void fingerdata(char i)
{
 i=SBUF;
 adc1=i;
conv();
lcddata(asc2);
lcddata(asc1);
 
}
 
 
 
//=======================================================================//
void lcdcmd (unsigned char value)
{
lcdready();
ldata=value;
rs=0;
rw=0;
en=1;
msdelay(1);
en=0;
return;
}
//=====================================================================================================//
void lcddata (unsigned char value)
{
lcdready();
ldata=value;
rs=1;
rw=0;
en=1;
msdelay(1);
en=0;
return;
}
//=====================================================================================================//
void lcdready()
{
busy=1;
rs=0;
rw=1;
while (busy==1)
{
en=0;
msdelay(1);
en=1;
}
return;
}
//===========================================================================================================//
void msdelay(unsigned int value)
{
unsigned int i,j;
for(i=0;i<value;i++)
for(j=0;j<1275;j++) ;
}
 
//=====================================================================================//
void UARTInit(void)
{
PCON=0X80;
        SCON=0X50;    //232  COM init 
        TMOD=0x20;
        TH1=0XFE;
        TR1=1;
        
}
  

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