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Intro to Bare Metal Programming - Episode 3: Blinking an LED with I/O Ports and Bitmasks

Series Playlist:    • Intro to Bare Metal Programming with ...   In the 3rd episode of the bare metal programming series for the AVR® Tiny2 (ATtiny1627), we will cover: Setting up an I/O pin as an output Toggling an onboard LED every second using the delay function (blocking function) Using datasheet and masks from the header file Helpful Links: TB3262 (Getting Started with Writing C-Code for AVR® MCUs): https://mchp.us/34HSmoU ATtiny1627 Family: https://mchp.us/3umZAb4 ATtiny1627 Curiosity Nano: https://mchp.us/3IxaqjS MPLAB X IDE: https://mchp.us/3iwbB8S MPLAB XC8 Compiler: https://mchp.us/3qtCwpX Timestamps: 0:00 Recap of last episode 0:16 In this episode 0:28 Connect Tiny2 to host computer and create new bare metal project 0:47 Identify which pin is connected to onboard LED 1:42 Plan of attack and accessing device header file 2:23 Understanding the relationship between header file and datasheet registers 4:01 Setting up a Port 5:40 Toggle onboard LED 6:15 Using delay function 6:35 Finding CPU frequency for delay function 6:43 Reading Configuration bits 7:34 Finding default clock prescaler 8:56 Define CPU frequency 9:22 Setting delay time in milliseconds 9:30 Comment out header file include to prevent error from including it twice 9:39 Build project 9:45 Program device and see LED blinking 10:01 In the next episode #avr #embedded #attiny