SAM-BA is a complex application built on top of a TCL/TK scripting engine. So long as one develops a custom board with a crystal and I/O connections capable of communicating with SAM-BA, BOSSA can reliably program the flash without having to worry about external device conflicts. BOSSA is focused solely on programming the flash inside of the SAM device and so is independent of the board's external devices. Sometimes, one can get away with using one of the evaluation kit configurations if it is similar to a custom board but other times not since custom external devices could cause a conflict. It is a complex task with little documentation to modify SAM-BA to support custom boards. SAM-BA ships with support for all of Atmel's evaluation kits but does not provide generic configurations for other boards. BOSSA strives to provide a simple interface with just the basic functionality necessary to program the SAM device's internal flash memory. Because of this, SAM-BA's interface can be confusing and intimidating for someone getting started with microcontrollers or for someone not well versed in hardware. SAM-BA tries to be the Swiss army knife of utilities by programming all kinds of memories and external devices attached to a SAM microcontroller. What's wrong with using SAM-BA? Well, there are several reasons to consider an alternative. BOSSA is an acronym for Basic Open Source SAM-BA Application to reflect that goal. The motivation behind BOSSA is to create a simple, easy-to-use, open source utility to replace Atmel's SAM-BA software. BOSSA is a flash programming utility for Atmel's SAM family of flash-based ARM microcontrollers.

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