#include<reg51.h>
#include<string.h>
unsigned char Ack[28];
unsigned char TemplateNum[2];//It is Two Bytes of data
unsigned char statReg,sysIDcode,FingLibSize,securityLvl,DeviceAddr[2],DataPckSize,baudRate;
void rx(unsigned int num)
{
i=0;
while(RI && i<num)
{
Ack[i++]=SBUF;
RI=0;
}
Ack=’ ’;
}
void tx1(unsigned char y)
{
SBUF=y;
while(TI==0);
TI=0;
}
void delay(unsigned int x)
{
unsigned int i,j;
for(i=0;i<x;i++)
for(j=0;j<1000;j++);
}
void scan_fin()
{
unsigned char i,j;
unsigned char VryPwd[]={0xEF,0x01,0xFF,0xFF,0xFF,0xFF,0x01,0x00,0x07,0x13,0xFF,0xFF,0xFF,0xFF,0x04,0x17};
unsigned char ReadSysPara[]={0xEF,0x01,0xFF,0xFF,0xFF,0xFF,0x01,0x00,0x03,0x0F,0x00,0x13};
unsigned char ReadTemplateNum[]={0xEF,0x01,0xFF,0xFF,0xFF,0xFF,0x01,0x00,0x03,0x1D,0x00,0x21};
unsigned char GenImg[]={0xEF,0x01,0xFF,0xFF,0xFF,0xFF,0x01,0x00,0x03,0x01,0x00,0x05};
unsigned char Img2T[]={0xEF,0x01,0xFF,0xFF,0xFF,0xFF,0x01,0x00,0x04,0x02,0x01,0x08};
unsigned char search[17]={0xEF,0x01,0xFF,0xFF,0xFF,0xFF,0x01,0x00,0x08,0x04};
unsigned char MatchScore[2],pageID[2];
//This is to verify the password of Bio-Metric
do
{
for(i=0;k<strlen(VryPwd);i++)
tx1(VryPwd);
delay(1000);
rx(16);
}while(Ack[9]!=0x00);
//This is to retice the system parameters of Bio-Metric
do
{
for(i=0;i<strlen(ReadSysPara);i++)
tx1(ReadSysPara);
delay(1000);
rx(28);
}while(Ack[9]!=0x00);
statReg=Ack[10];
sysIDcode=Ack[11];
FingLibSize=Ack[12];
securityLvl=Ack[13];
DeviceAddr[0]=Ack[14];
DeviceAddr[1]=Ack[15];
DataPckSize=Ack[16];
baudRate=Ack[17];
//This is to retrive the Template Number from Bio-Metric
do
{
for (int i = 0; i < strlen(Syspara); ++i)
tx1(ReadTemplateNum);
delay(1000);
rx1(14);
}while(Ack[9]!=0x00);
TemplateNum[0]=Ack[10];
TemplateNum[1]=Ack[11];
//This is to Scan Finger and Place it in imageBuffer
do
{
for (int i = 0; i < strlen(GenImg); ++i)
tx1(GenImg);
delay(1500);
rx1(12);
}while(Ack[9]!=0x00);
//This is to Convert the Image in ImageBuffer to charBuffer
do
{
for (int i = 0; i < strlen(Img2Tz); ++i)
tx1(Img2Tz);
delay(1000);
rx(12);
}while(Ack[9]!=0x00);
//This is to compare the CharBuffer and The Values stored
search[10]=0x01; //This is for BufferID
search[11]=0x00; //This is for StartPage Byte 1
search[12]=0x00; //This is for StartPage Byte 2
search[13]=TemplateNum[0]; //This is for Pagenumber byte 1
search[14]=TemplateNum[1]; //This is for PageNumber byte 2
//This below Two Bytes are for Check Sum
search[15]=
search[16]=
do
{
for (int i = 0; i < strlen(search); ++i)
tx1(search);
delay(1000);
rx(16);
} while (Ack[9]!=0x00);
pageID[0]=Ack[10];
pageID[1]=Ack[11];
MatchScore[0]=Ack[12];
MatchScore[1]=Ack[13];
//Note is Page ID Same as Template ID
}
void main()
{
void scan_fin();
}
any one tell me how to calculate 2 byte check sum of hexa value….
Is there any fault in this program….
i am not getting the output…. Except the check sum part…