A dynamic operating system for sensor nodes
Proceedings of the 3rd international conference on Mobile systems, applications, and services
MANTIS OS: an embedded multithreaded operating system for wireless micro sensor platforms
Mobile Networks and Applications
Protothreads: simplifying event-driven programming of memory-constrained embedded systems
Proceedings of the 4th international conference on Embedded networked sensor systems
RETOS: resilient, expandable, and threaded operating system for wireless sensor networks
Proceedings of the 6th international conference on Information processing in sensor networks
Synchronous programming of device drivers for global resource control in embedded operating systems
Proceedings of the 2011 SIGPLAN/SIGBED conference on Languages, compilers and tools for embedded systems
Hardware-assisted energy monitoring architecture for micro sensor nodes
Journal of Systems Architecture: the EUROMICRO Journal
Synchronous programming of device drivers for global resource control in embedded operating systems
ACM Transactions on Embedded Computing Systems (TECS) - Special section on ESTIMedia'12, LCTES'11, rigorous embedded systems design, and multiprocessor system-on-chip for cyber-physical systems
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To support the increasing number of sensor devices with various characteristics and requirements, sensor network operating systems should provide an appropriate device driver model that can cover a wide range of device types. Unfortunately, current sensor network operating systems force the user to build complex drivers for even simple devices, provide restricted interfaces, or do not provide any mechanisms. We present a device driver model that is flexible enough to support both simple devices with simple drivers, and complex devices with portable and high-performance device drivers. Users can write a device driver for simple devices with only a few lines of code using the usermode device driver. Devices that need highly efficient code or portability can be supported by a single-layer or 2-layer kernel-mode device driver. Moreover, shared access and power management can easily be included in the device driver using the device manager. We also provide guidelines for choosing a proper device driver model with concrete examples of real-world devices and support our claims through the evaluation of the device driver model using the RETOS kernel.