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Atmega162 Serial Communication

Posted: Wed Jan 28, 2015 11:07 am
by Ameya
I had a doubt regarding serial communication of Atmega 162
Can any one help please??
I have initialized the USART by setting bits in UCSRB and UCSRC and passed a value in UDR register..but not able to see anything on Serial port of my PC
I am using 8 bit frame with 1 stop bit.
I have written a simple code shown below.
Please help

#include <avr/io.h>
#include <util/delay.h>

#define F_CPU 10000000
#define BAUD 9600
#define UBRR ((F_CPU/16UL/BAUD)-1)

int main(void)
{

UBRR0H = (UBRR >>8);
UBRR0L = UBRR;
UCSR0B = (0<<UCSZ02) | (1<<TXEN0);
UCSR0C = (1<<UCSZ01) | (1<<UCSZ00) | (1<<URSEL0) | (0<<UMSEL0) | (0<<USBS0);
while(1)
{
UDR0 = 0X55;
_delay_ms(100);
}
}

Re: Atmega162 Serial Communication

Posted: Wed Jan 28, 2015 10:54 pm
by stevech
why not start with a working example?

Re: Atmega162 Serial Communication

Posted: Thu Jan 29, 2015 8:15 am
by Ameya
@stevech, Can you please suggest me any working example to start with??

Re: Atmega162 Serial Communication

Posted: Thu Jan 29, 2015 8:27 am
by Ross Robotics
First link on a Google search: http://www.avrfreaks.net/forum/newbie-a ... on-problem

I just searched your title..

It's amazing how many people that don't know how to search..

Re: Atmega162 Serial Communication

Posted: Thu Jan 29, 2015 1:04 pm
by skimask
codlink wrote:First link on a Google search: http://www.avrfreaks.net/forum/newbie-a ... on-problem

I just searched your title..

It's amazing how many people that don't know how to search..
Amazing?
Or appalling?

Re: Atmega162 Serial Communication

Posted: Thu Jan 29, 2015 5:04 pm
by Ross Robotics
I used amazing to be somewhat respectful.. But appalling would be a good one.