Retirement Clock for ATmega4809 Curiosity Nano

Retirement clock implemented in C for ATmega4809 Curiosity Nano microcontroller as part of Embedded Microprocessor Systems course.

Contributors

• @mabenj
• @eselanne

Functional Description

• Left button turns backlight on for 5 seconds(adjustable).
• Right button rotates views:
  • View #1: date and time (clock view).
  • View #2: days, hours, minutes, and seconds until retirement (countdown view).
  • View #3: days, hours, minutes, and seconds the system has been running.
• Serial user interface implements:
  • SETDATETIME dd.mm.yyyy hh:mi:ss
  • GET DATETIME
  • SET BIRTHDAY dd.mm.yyyy
  • GET BIRTHDAY
  • SET BACKLIGHT seconds
  • GET BACKLIGHT
• Sounds a buzzer when it is time to retireand displays "Go home, old-timer!"(centered, divided into two rows, obviously)

ATmega4809 Data Sheet

http://ww1.microchip.com/downloads/en/DeviceDoc/ATmega4808-09-DataSheet-DS40002173B.pdf