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AVR Programming with C.

Simple and fun projects with AVR-C

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We all love arduino but we have to admit that most of the times, it is limited and if you really want to understand nitty-gritty details of microcontrollers then you need to strip your arduino board.

In this project, i will programming various AVR microcontrollers with C.

I will be using USBasp as my programmer, since i run i Linux, i will programming straight from the terminal using avrdude.

I will also be programming an Attiny85 directly and Atmega328p from UNO board.

RGB.c

Code for iterating through the 3 colours of an RGB LED

x-csrc - 436.00 bytes - 08/26/2019 at 22:07

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  • 1 × ATtiny85 Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
  • 1 × Arduino UNO
  • 1 × USBasp Programmer for AVR board

  • Input with tactile Push button.

    8teims08/26/2019 at 23:46 0 comments

    Today i decided to use tactile push button to get binary input unlike the arduino code i had to do math. Encountered my third AVR i/o avr register  PINx.

    //This Code is a simple i/o using tactile switch button and a LED.
    #define F_CPU 16000000L
    
    #include <avr/io.h>
    #include <util/delay.h>
    
    int main(){
            DDRB = 0x01;//Setting PB0 as output
            PORTB = 0x02;//Activating internal pullups of PB1
    
            while(1){
                    if(!(PINB & 0x02)){
                            PORTB |= 0x01;//Bitmask operation
                    }
                    else{
                            PORTB &= 0xFE;//Bitmask operation
                    }
            }
    }

  • RGBlinking with Arduino.

    8teims08/26/2019 at 02:37 0 comments

    Today i wrote a simple blink code, with a little twist. It loops through all 3 colours of an RGB LED and then becomes White.

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8teims wrote 08/26/2019 at 22:09 point

Thanks, I really appreciate. 

  Are you sure? yes | no

Ken Yap wrote 08/26/2019 at 05:48 point

Tip: The left and right shift operators have an assign counterpart, I.e. you can write i <<= 1.

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