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diff --git a/electronics/microcontrollers.page b/electronics/microcontrollers.page new file mode 100644 index 0000000..6753487 --- /dev/null +++ b/electronics/microcontrollers.page @@ -0,0 +1,31 @@ +=================== +Microcontrollers +=================== + +LISPs on MCUs +-------------- + +See also: article on extremely small interpreters for code density. + +Hedgehog (http://hedgehog.oliotalo.fi/) is a variant of LISP for embedded chips +released under a BSD (library) and LGPL (tools) license. It has some debugging +tools and can run on x86 as well for development. The model is to compile +bytecode on a development machine and execute it on the MCU; there is no REPL +on the device itself. Developed and maintained by a Finish company (.fi TLD?) +mostly for use distibuting new bytecode programs. Implementation is well +documented. + +PICBIT is one of a series (BIT and PICOBIT) of Scheme implementations for very +small (few kb RAM) chips. Code is compiled to bytecode on a development machine +and run/interpreted on the device. This is a mature academic project; there are +a couple papers which summarize the approach and design decisions. + +ARMPIT Scheme (http://armpit.sourceforge.net/) is a full embeded Scheme +environment for ARM MCUs (including Cortex-M3s). It is an active project +written in + +"L" is a Common LISP implementation for embedded MCUs with about a MB of RAM; +it was an MIT AI Lab project. A real time operating system written in C (VENUS) +runs on the metal and an L framework called MARS coordinates message/event +handling between multiple agents. It was written for robotic research. + |