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@@ -1,22 +1,18 @@ # calculator A from-scratch operating system for a graphing calculator. -The goal of this project is to design a functional operating system for a -graphing calculator based on the STM32L476RG processor. This OS has been -designed from scratch to optimize for speed and code size, targeting the -features necessary for a graphing calculator application. +The goal of this project is to design a functional operating system for a graphing calculator, currently based on the STM32L476RG processor. This OS is designed from scratch to optimize for speed and code size, targeting the features necessary for a graphing calculator application. Required packages: * arm-none-eabi toolchain * openocd * make -Use ```run.sh``` to upload the final output to the processor. +Use ```make``` to build the OS, which produces an ```out/main.elf```. Use ```run.sh``` to launch openocd and a gdb session to upload the OS to the device. ## design overview -The core of the operating system is written entirely in C and assembly. This -project is paired with the [interpreter project](https://code.bitgloo.com/clyne/interpreter) -(licensed under the GPL), -which parses script from C strings. The operating system exposes calls to the -script parser, and then loads the text file at ```initrd/init```. + +Soon: a link to my website with info on the actual device, and its hardware layout. + +The core of the operating system is written entirely in C and assembly. This project is paired with the [interpreter project](https://code.bitgloo.com/clyne/interpreter) (licensed under the GPL), a simple low-memory scripting language. Apart from other core functions, the operating system's goal is to expose calls to the interpreter, and then load the ```init``` script from the calculator. |