Bluetooth Module interfaing with 8051 microcontroller

[Deepak Singla]

How to interface Bluetooth Module with 8051 microcontroller

[Nishant]

// Program to count the number of clap

#include<reg51.h>

#define port P1

#define dataport P2  //Data Port for LCD

#define sec 1000

sbit rs = port^0;

sbit rw = port^1;

sbit e = port^2;

sbit sensor_input=P0^0;

unsigned char str3[10]={' ',' ',' ',' ',' ',' ',' ',' ',' ',' '};





void delay(unsigned int msec) // Time delay function

{

int i,j ;

for(i=0;i<msec;i++)

for(j=0;j<1275;j++);

}



void lcd_cmd(unsigned char item) // Function to send command

{

dataport = item;

rs= 0;

rw=0;

e=1;

delay(1);

e=0;

return;

}



void lcd_data(unsigned char item) // Function to send data

{

dataport = item;

rs= 1;

rw=0;

e=1;

delay(1);

e=0;

return;

}



void lcd_data_string(unsigned char *str) // Function to send string

{

int i=0;

while(str!='')

{

i++;

}

while(i>=0)

{

lcd_data(str);

i--;

delay(10);

}

return;

}



void convert(int num)  // Function to extract digits and send to LCD

{

int i=0;

while(num>0)

{

str3=(num%10)+48;

num=num/10;

i++;

}

str3='';

}



void main()

{

int count=0;

sensor_input=1;

sensor_input=0;

lcd_cmd(0x38);

lcd_cmd(0x0e);

lcd_cmd(0x01);

while(1)

{

sensor_input=0;

while(sensor_input==0);

if(sensor_input==1)

{

lcd_cmd(0x01);

count++;

convert(count);

lcd_cmd(0x82);

lcd_data_string(str3);

}

}

}

[AJISH ALFRED]

Hi Nishant,

I wonder how a piece of code could be an answer for the query from Deepak, try to give better help for the members.

 

Hi Deepak,

Please dont post the same query again and again. The module can be interfaced with 8051 through its serial port.

https://www.pantechsolutions.net/project-kits/interfacing-bluetooth-with-8051-primer

[Author]

Posts