Difference between revisions of "Switch and a LED with AVR"

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[[Category:AVR Tutorials]]
 
[[Category:AVR Tutorials]]
 +
 +
=Code=
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<syntaxhighlight>
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#include <avr/io.h>
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#define SW 0 
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#define LED 1
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int main(void)
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{   
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  DDRB &= ~(1<<SW);  //switch as input
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  DDRB |= (1<<LED); //led as output 
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  while(1)
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  {
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  if ((PINB&(1<<SW)) == 1)
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  PORTB |= (1<<LED);
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  PORTB &= ~ (1<<LED);
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  }
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}
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</syntaxhighlight>
 
[http://exploreembedded.com/wiki/images/b/be/Schematic_AVR_Interfacing_Switches_%26_LEDS.pdf '''Schematic''']
 
[http://exploreembedded.com/wiki/images/b/be/Schematic_AVR_Interfacing_Switches_%26_LEDS.pdf '''Schematic''']
  
 
[[File:Schematic AVR Interfacing Switches & LEDS.JPG|680px]]
 
[[File:Schematic AVR Interfacing Switches & LEDS.JPG|680px]]
 
'''Code and Explanation will be updated soon..'''
 
'''Code and Explanation will be updated soon..'''

Revision as of 15:06, 20 November 2014


Code

#include <avr/io.h>
#define SW 0   
#define LED 1
int main(void)
{     
   DDRB &= ~(1<<SW);  //switch as input
   DDRB |= (1<<LED); //led as output  
   while(1)
   {
	   if ((PINB&(1<<SW)) == 1)
	   PORTB |= (1<<LED);
	   PORTB &= ~ (1<<LED);
   }
}

Schematic

Schematic AVR Interfacing Switches & LEDS.JPG Code and Explanation will be updated soon..

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