finger print module R303a

[Shubham Chauhan]

I am new in programming in C I am working on the project of fingerprint module R303a interfacing with atmega16. I made a code(not completed just to store image) but nothing seems to happen my code is this . Please help me 

#define F_CPU 1000000UL

#include<avr/io.h>

#include<util/delay.h>

#include"LCD_DISPLAY.H"

#include"LCD_DISPLAY.C"

#include<avr/io.h>

 

int usart_init( baurd_rate)

 

{

       

 UBRRL = (F_CPU/(16*baurd_rate))-1;

 

//UBRRL=0x33;

 UCSRC=(1<<URSEL)|(1<<UCSZ1)|(1<<UCSZ0);

 UCSRB=(1<<RXEN)|(1<<TXEN);

 

}

unsigned char i=0,fp[20],rec,dummy;

unsigned char enroll[12]={0xEF,0X01,0XFF,0XFF,0XFF,0XFF,0X01,0X00,0X03,0X01,0X00,0X05};

unsigned  char generate_ch[13]={0xEF,0X01,0XFF,0XFF,0XFF,0XFF,0X01,0X00,0X04,0x02,0X01,0X00,0X08};

unsigned char store[11]={0xEF,0X01,0XFF,0XFF,0XFF,0XFF,0X01,0X00,0X06,0X06,0X01};

unsigned char identify[12]={0xEF,0X01,0XFF,0XFF,0XFF,0XFF,0X01,0X00,0X03,0X11,0X00,0X15};

 

 

void USART_Transmit( unsigned char data )

{

/* Wait for empty transmit buffer */

while ( !( UCSRA & (1<<UDRE)) );

 

/* Put data into buffer, sends the data */

UDR = data;

}

unsigned char USART_Received( void)

{

/* Wait for data to be received */

while ( !(UCSRA & (1<<RXC)) );

return UDR;

 

}

 

int main()

{

again:

init_LCD();

 usart_init;

 print_lcd(0x80,"enroll");

 _delay_ms(3000);

  lcd_clr();

  

   i=0;

       while(i<12)

       {

        USART_Transmit (enroll);

        i++;

       }

  rec=USART_Received();

  rec=USART_Received();

  rec=USART_Received();

  rec=USART_Received();

  rec=USART_Received();

  rec=USART_Received();

  rec=USART_Received();

  rec=USART_Received();

  rec=USART_Received();

  rec=USART_Received();

  dummy=USART_Received();

  dummy=USART_Received();

  if(!rec)

  {

   print_lcd(0x80,"enroll kk");

_delay_ms(2000);

 }

  else

  {

  print_lcd(0x80,"enroll not ok");

_delay_ms(2000);

  }

 

  

  i=0;

  while(i<13)

       {

        USART_Transmit (generate_ch);

        i++;

       }

 rec=USART_Received();

  rec=USART_Received();

  rec=USART_Received();

  rec=USART_Received();

  rec=USART_Received();

  rec=USART_Received();

  rec=USART_Received();

  rec=USART_Received();

  rec=USART_Received();

  rec=USART_Received();

  dummy=USART_Received();

  dummy=USART_Received();

 

  if(!rec)

  {

   print_lcd(0x80,"gen char ok");

_delay_ms(2000);

 }

  else

  {

  print_lcd(0x80,"gen char notok");

_delay_ms(2000);

  goto again;

  }

     i=0;

  while(i<11)

       {

        USART_Transmit (store);

        i++;

       }

   rec=USART_Received();

  rec=USART_Received();

  rec=USART_Received();

  rec=USART_Received();

  rec=USART_Received();

  rec=USART_Received();

  rec=USART_Received();

  rec=USART_Received();

  rec=USART_Received();

  rec=USART_Received();

  dummy=USART_Received();

  dummy=USART_Received();

  if(!rec)

  { 

  

   print_lcd(0x80,"store ok");

_delay_ms(2000);

 }

  else

  {

  print_lcd(0x80,"store notok");

_delay_ms(2000);

 

    }

 }

 

[GANEEV SINGH]

Hi Shubham

 

You have not provided any PageID and Checksum in store[ ]. Both of them are of 2 bytes each. You could append "0x00,0x01,0x00,0x0f" to your existing store[ ]. 

 

This might help

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