AVR STUDIO (compiling C and running)

[tenacity2986]

okay i can compile the c file fine. but when i run it, its trying to connect through jtag and hardware. I just want to see the output of the compiled program! any1 know how? thankyouu verry much

 

[MATLABdude]

okay i can compile the c file fine. but when i run it, its trying to connect through jtag and hardware. I just want to see the output of the compiled program! any1 know how? thankyouu verry much

Are you aware that the AVR Compiler compiles to AVR machine code and needs to be run on an AVR microcontroller? If so (sorry, have to cover all the bases), and you're using a printf statement or two, that means that you need to wire up a DB-9 connector, hook it up to your computer's serial port, and use a terminal program to take input.

If you don't want to go to all that trouble (or lack serial ports and/or a serial-to-USB converter), and you're just looking to do some kind of "Hello world!" thing, just hook up an LED and a resistor in series to one of the pins, and have it light up:

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

#define F_CPU 8000000UL //change to whatever

void _delay_1s(void)
//1s delay routine
{
	int n;

	for(n=0; n<50; n++)
	{	_delay_ms(20);	}
}

int main(void)
{
	DDRA |= 1 << PINA7;
	PORTA |= 1 << PINA7;
	for(;;)	//toggle PIN A7 every second
	{
		_delay_1s();
		PORTA ^= (1 << PINA7);	//XOR existing value to toggle
	}
}

If not, and you're just looking for something to do a very simple program in, look into how to use the GCC compiler (Linux), Visual C++ (Windows, the personal edition is free), or XCode (Mac--also free)

 

[oswaler]

I can understand your frustration with wanting to simply see the output of your compiled program without having to deal with the complexities of JTAG and hardware connections. In order to do this, you may want to consider using a simulator or emulator within AVR Studio. These tools allow you to run your program without the need for physical hardware, giving you a more streamlined and efficient way to test your code and see the output. Additionally, you may want to check the settings in your program to ensure that it is set to run in simulation mode rather than trying to connect to hardware. I hope this helps and good luck with your project!