RFID Guardian Software:OS
From RFID Guardian
OS
To handle incoming signals timely, The RFID Guardian's operating system must be an RTOS (Real-Time Operating System). The RTOS that is used is eCos , which is an open-source, community-driven project, with ports to many CPU types and drivers for lots of hardware. Our eCos installation uses a port to the BlackFin architecture by André Liesk from the University of Chemnitz. The RFID Guardian team extended his work to support the BF54x BlackFin variants, and added support for a number of devices (especially GPIOs).
eCos is in a sense not a real Operating System because it has no process abstraction. There is only one address space, and one process that handles everything. It has threads, however.
