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

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    [[Category:AVR Tutorials]]
    		 
    [[Category:AVR Tutorials]]
     +
     +
    =Code=
     +
    <syntaxhighlight>
     +
    #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);
     +
      }
     +
    }
     +
    </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

    1. #include <avr/io.h>
    2. #define SW 0   
    3. #define LED 1
    4. int main(void)
    5. {     
    6.    DDRB &= ~(1<<SW);  //switch as input
    7.    DDRB |= (1<<LED); //led as output  
    8.    while(1)
    9.    {
    10. 	   if ((PINB&(1<<SW)) == 1)
    11. 	   PORTB |= (1<<LED);
    12. 	   PORTB &= ~ (1<<LED);
    13.    }
    14. }

    Schematic

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

    Retrieved from "https://exploreembedded.com/wiki/index.php?title=Switch_and_a_LED_with_AVR&oldid=3726"