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How to install Cosa?

Via GIT

cd <custom_path>/sketchbook
mkdir hardware # Create the hardware folder if missing
cd hardware
git clone git@github.com:mikaelpatel/Cosa.git

Then you can update the library by using:

git pull origin master

Via Archives

Step 1

  • Download the Cosa zip file.
  • Create the hardware folder if missing (<custom_path>/sketchbook/hardware).
  • Unzip the files to your hardware folder.
  • Rename Cosa-master to Cosa.

Step 2 (For Arduino 1.5.x only)

  • Create an outer Cosa folder (<custom_path>/sketchbook/hardware/Cosa).
  • Unzip the files to your hardware/Cosa folder.
  • Rename inner Cosa folder (<custom_path>/sketchbook/hardware/Cosa/Cosa-master) to avr (<custom_path>/sketchbook/hardware/Cosa/avr).

Step 3 (For Attiny users on Windows version only and Arduino 1.0.X)

Do not forget to program the ATtiny device with the bootloader, i.e., set the fuse bits, before using the device for the first time.

Step 4

  • Restart the Arduino IDE and Cosa will show up as a number of boards and example sketches.

Latest AVR Toolchain

The new AVR toolchain with gcc 4.8.1 is supported. There is also a platform definition file with link-time optimization enabled. This may be used to reduce memory foot-print (program size) and increase performance.

Run your first sketch.

  • Open the CosaBlink example sketch in the Sketchbook>hardware>Cosa>avr>Blink menu.
  • Select your board in the Tools>Board menu.
  • Compile and download.

Download Versions