This project contains the BT Stack and Wrapper (and the application). Instructions for building .a43 flash file (use the blue clip for flashing): 1. Start IAR 2. Select “Bootloader” as the configuration; 3. Build the configuration; 4. Open the generated .map file from “Project -> Bootloader -> List” folder; 5. Search for “EndofImage”; 6. Copy the last 5 digits of the “ADDRESS”, e.g. 5A5A5; 7. Open “LinkerConfigurationBootloader.xcl” file at “Project” folder; 8. Replace the last 5 digits in the last line “0x42B9E” with the copied 5 digits, e.g. 5A5A5; 9. Rebuild. The Code Composer Studio 5 is supported for building flash file for STRATA/FRAME (using Gen2 CCS project configuration) and WDS112 (using Gen1 CCS project configuration). The developer clip for flashing STRATA is here: http://shop.metawatch.com/collections/accessories/products/accessory-developer-black-strata. The developer clip for flashing FRAME and WDS112 is here: http://shop.metawatch.com/collections/accessories/products/accessory-developer-black-frame. The supported version of IAR is 5.51. You can check screen shots of the IAR project configuration in the Docs folder if you can't open the project file in older version of IAR.