In addition to measurements of the dual-ray AFE and the basic smoke detection demo algorithm, the software includes the following features:

• Test button: a short press turns off the alarm after being activated, while a long-press activates the alarm in self test mode.
• Temperature sensing: an external temperature sensor is measured periodically and the information is sent to the GUI. This information can be used by developers to perform temperature calibration of the LED drive current and photodiodes.
• GUI communication: provides a visual representation of the measurements, and allows developers to adjust parameters - such as PGA gain, LED drive strength, sampling period, and alarm thresholds in real time.

The software implemented for this design is only a part of a complete system and is intended to be used as a reference. A complete dual-ray reflection detector will require more functionality, such as: algorithms for improved detection of smoke and nuisance rejection, monitoring voltage and temperature, system calibration, and so forth.