Atmel ice basic driver#
Atmel ice basic code#
Atmel ice basic free#

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Atmel ice basic free#

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Atmel ice basic code#

Upon interrupt the interrupt handler simply sets a flag to indicate to the main exec to read the time and refresh the display.В The clock has been running fine now for around four months with no issues at all.В All of the project files and source code will be available in my GitHubВ account. Rather than continually reading the time from the DS3231 its square wave output pinВ wasВ configured to output a 1Hz square wave which in turn was connected to one of the external interrupts pins on the ATMega328. The design was implemented on breadboard and all of the code written in C using the Atmel Studio development environment. I am really pleased with the way it turned out. I decided to take advantage of this and alternate between the current time, date and temperature along the top while showing the current time in binary format below using rectangles to represent each binary bit. The very top of the display uses yellow on black while the remainder of the display uses blue on black. Has two configurable alarms and even has an internal temperature sensor (which is used for temperature compensation of the oscillator) but can also be read via one of the internal registers.В Data is transferred serially through an Iв¬ bus. Not a lot to say about these really the deviceВ maintains seconds, minutes, hours, day, date, month, and year information. These devices are extremely accurate with minimal drift over time. The DS3231 I have used on lots of projects before. TheВ SSD1306 supports a number of interfaces formats including parallel, SPI andВ Iв¬.

Atmel ice basic driver#

The majority if not all of the ones I found on eBay use the SSD1306 display driver chip. They are extremely bright and easy to use. I ended up using an Arduino Nano clone, a 0.96вЂі 128Г—64 OLED display module and a DS3231 real time clock module.В This configuration fitted the bill perfectly. I wanted something fairly portable, preferably USB powered and reasonablyВ cheap. That way you simply add each digit together to determine the number of hours followed by the number of minutes and finally the number seconds. With BCD the hours, minutes and seconds are all represented by individual binary digits. To keep things simple I decided on a Binary Coded Decimal (BCD) format rather than pure binary or grey scale. Not only do they look great but you have theВ added bonus that most people probably wont have any idea what an earth they are looking at.В For those who have no idea what a binary clock is I would highly recommend this WikipediaВ page for more information. A clock capable of showing the current time in binary format. For a while now I have fancied building a binary clock.